detabbed source code, no code changes

redesign announce jitter to better spread the load after startup

See merge request tracker/ocelot!8

.dockerignore

@@ -0,0 +1,3 @@
+.vscode/
+build/
+/ocelot

.gitignore

@@ -1 +1,21 @@
+.idea/
+.vscode/
+.vagrant/
 *.tar.*
+MakeFile.in
+/configure
+/config.*
+cmake-build-debug/
+autom4te.cache/
+*.o
+Makefile
+.deps/
+src/ocelot
+/ocelot.conf
+build/
+/ocelot
+CMakeFiles/
+CMakeCache.txt
+cmake_install.cmake
+*.cbp
+.DS_Store

CHANGES

@@ -1,3 +1,42 @@
+-- 2.1.0 (2024-02-11)
+FEATURES
+* announce jitter is now a uniform distribution and can be modified on the fly
+
+-- 2.0.1 (2024-02-10)
+BREAKING
+* API torrent endpoint output changed to JSON
+* API user endpoint shows more information about a user in JSON format
+FEATURES
+* Mysql port may be specified in configuration file
+* API stats report contains Ocelot version
+* Queue sizes are reported in stats
+* Sleep if Gazelle API is down
+* Handle DB connection problems gracefully
+* Add Prometheus and Grafana support
+BUILD
+* Docker image based on Bookworm
+
+-- 2.0.0 (2019-10-22)
+BREAKING
+* Write leech stats into their own dedicated tables (users_leech_stats, torrents_leech_stats)
+* Move to CMake for building project instead of autotools
+FEATURES
+* Add support for building against jemalloc (http://jemalloc.net/)
+* Add systemd service file for ocelot (thanks @HierraStrunger)
+Add site_service config option to set the service/port ocelot runs on (defaults to "http")
+BUGFIXES
+* Fix FreeBSD support (thanks @HierraStrunger)
+BUILD
+* Drop Vagranfile in favor of only supporting the Dockerfile
+
+-- 1.1 (2018-10-29)
+Move to spdlog (https://github.com/gabime/spdlog)to handle logging instead of cout
+    spdlog is vendored under src/, currently using v0.13.0
+Add logging directive to config to configure how Ocelot logs and where it logs
+Add daemon switch (--daemon, -d) to run Ocelot as a daemon
+Move source code into src/ directory
+Add Vagrantfile and Dockerfile for running Ocelot
+
 -- 1.0 (2015-01-26)
 NOTE: This version requires the following database change:
 ALTER TABLE xbt_files_users DROP PRIMARY KEY, ADD PRIMARY KEY (peer_id,fid,uid)

CMake/FindJemalloc.cmake

@@ -0,0 +1,48 @@
+# From: https://raw.githubusercontent.com/STEllAR-GROUP/hpx/master/cmake/FindJemalloc.cmake
+# Copyright (c)      2014 Thomas Heller
+# Copyright (c) 2007-2012 Hartmut Kaiser
+# Copyright (c) 2010-2011 Matt Anderson
+# Copyright (c) 2011      Bryce Lelbach
+#
+# Distributed under the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+find_package(PkgConfig)
+pkg_check_modules(PC_JEMALLOC QUIET libjemalloc)
+
+find_path(JEMALLOC_INCLUDE_DIR jemalloc/jemalloc.h
+  HINTS
+    ${JEMALLOC_ROOT} ENV JEMALLOC_ROOT
+    ${PC_JEMALLOC_MINIMAL_INCLUDEDIR}
+    ${PC_JEMALLOC_MINIMAL_INCLUDE_DIRS}
+    ${PC_JEMALLOC_INCLUDEDIR}
+    ${PC_JEMALLOC_INCLUDE_DIRS}
+  PATH_SUFFIXES include)
+
+find_library(JEMALLOC_LIBRARY NAMES jemalloc libjemalloc
+  HINTS
+    ${JEMALLOC_ROOT} ENV JEMALLOC_ROOT
+    ${PC_JEMALLOC_MINIMAL_LIBDIR}
+    ${PC_JEMALLOC_MINIMAL_LIBRARY_DIRS}
+    ${PC_JEMALLOC_LIBDIR}
+    ${PC_JEMALLOC_LIBRARY_DIRS}
+  PATH_SUFFIXES lib lib64)
+
+if(JEMALLOC_LIBRARY AND JEMALLOC_INCLUDE_DIR)
+    set(JEMALLOC_FOUND TRUE)
+    message(STATUS "Found jemalloc: ${JEMALLOC_LIBRARY}")
+    find_package_handle_standard_args(Jemalloc DEFAULT_MSG
+    JEMALLOC_LIBRARY JEMALLOC_INCLUDE_DIR)
+
+    get_property(_type CACHE JEMALLOC_ROOT PROPERTY TYPE)
+    if(_type)
+        set_property(CACHE JEMALLOC_ROOT PROPERTY ADVANCED 1)
+        if("x${_type}" STREQUAL "xUNINITIALIZED")
+            set_property(CACHE JEMALLOC_ROOT PROPERTY TYPE PATH)
+        endif()
+    endif()
+else()
+    set(JEMALLOC_FOUND FALSE)
+endif()
+
+mark_as_advanced(JEMALLOC_ROOT JEMALLOC_LIBRARY JEMALLOC_INCLUDE_DIR)

CMake/FindLibEv.cmake

@@ -0,0 +1,38 @@
+# - Try to find libev
+# Once done this will define
+#  LIBEV_FOUND        - System has libev
+#  LIBEV_INCLUDE_DIRS - The libev include directories
+#  LIBEV_LIBRARIES    - The libraries needed to use libev
+
+find_path(LIBEV_INCLUDE_DIR
+  NAMES ev.h
+)
+find_library(LIBEV_LIBRARY
+  NAMES ev
+)
+
+if(LIBEV_INCLUDE_DIR)
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MAJOR REGEX "^#define[ \t]+EV_VERSION_MAJOR[ \t]+[0-9]+")
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MINOR REGEX "^#define[ \t]+EV_VERSION_MINOR[ \t]+[0-9]+")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MAJOR "${LIBEV_VERSION_MAJOR}")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MINOR "${LIBEV_VERSION_MINOR}")
+  set(LIBEV_VERSION "${LIBEV_VERSION_MAJOR}.${LIBEV_VERSION_MINOR}")
+  unset(LIBEV_VERSION_MINOR)
+  unset(LIBEV_VERSION_MAJOR)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEV_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libev REQUIRED_VARS
+                                  LIBEV_LIBRARY LIBEV_INCLUDE_DIR
+                                  VERSION_VAR LIBEV_VERSION)
+
+if(LIBEV_FOUND)
+  set(LIBEV_LIBRARIES     ${LIBEV_LIBRARY})
+  set(LIBEV_INCLUDE_DIRS  ${LIBEV_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBEV_INCLUDE_DIR LIBEV_LIBRARY)

CMake/FindMYSQL.cmake

@@ -0,0 +1,113 @@
+#--------------------------------------------------------
+# Copyright (C) 1995-2007 MySQL AB
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of version 2 of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# There are special exceptions to the terms and conditions of the GPL
+# as it is applied to this software. View the full text of the exception
+# in file LICENSE.exceptions in the top-level directory of this software
+# distribution.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+#
+# The MySQL Connector/ODBC is licensed under the terms of the
+# GPL, like most MySQL Connectors. There are special exceptions
+# to the terms and conditions of the GPL as it is applied to
+# this software, see the FLOSS License Exception available on
+# mysql.com.
+
+##########################################################################
+
+
+#-------------- FIND MYSQL_INCLUDE_DIR ------------------
+FIND_PATH(MYSQL_INCLUDE_DIR mysql.h
+        /usr/include/mysql
+        /usr/local/include/mysql
+        /opt/mysql/mysql/include
+        /opt/mysql/mysql/include/mysql
+        /opt/mysql/include
+        /opt/local/include/mysql5
+        /usr/local/mysql/include
+        /usr/local/mysql/include/mysql
+        $ENV{ProgramFiles}/MySQL/*/include
+        $ENV{SystemDrive}/MySQL/*/include)
+
+#----------------- FIND MYSQL_LIB_DIR -------------------
+IF (WIN32)
+    # Set lib path suffixes
+    # dist = for mysql binary distributions
+    # build = for custom built tree
+    IF (CMAKE_BUILD_TYPE STREQUAL Debug)
+        SET(libsuffixDist debug)
+        SET(libsuffixBuild Debug)
+    ELSE (CMAKE_BUILD_TYPE STREQUAL Debug)
+        SET(libsuffixDist opt)
+        SET(libsuffixBuild Release)
+        ADD_DEFINITIONS(-DDBUG_OFF)
+    ENDIF (CMAKE_BUILD_TYPE STREQUAL Debug)
+
+    FIND_LIBRARY(MYSQL_LIB NAMES mysqlclient
+            PATHS
+            $ENV{MYSQL_DIR}/lib/${libsuffixDist}
+            $ENV{MYSQL_DIR}/libmysql
+            $ENV{MYSQL_DIR}/libmysql/${libsuffixBuild}
+            $ENV{MYSQL_DIR}/client/${libsuffixBuild}
+            $ENV{MYSQL_DIR}/libmysql/${libsuffixBuild}
+            $ENV{ProgramFiles}/MySQL/*/lib/${libsuffixDist}
+            $ENV{SystemDrive}/MySQL/*/lib/${libsuffixDist})
+ELSE (WIN32)
+    FIND_LIBRARY(MYSQL_LIB NAMES mysqlclient_r mysqlclient
+            PATHS
+            /usr/lib/mysql
+            /usr/local/lib/mysql
+            /usr/local/mysql/lib
+            /usr/local/mysql/lib/mysql
+            /opt/local/mysql5/lib
+            /opt/local/lib/mysql5/mysql
+            /opt/mysql/mysql/lib/mysql
+            /opt/mysql/lib/mysql)
+ENDIF (WIN32)
+
+IF(MYSQL_LIB)
+    GET_FILENAME_COMPONENT(MYSQL_LIB_DIR ${MYSQL_LIB} PATH)
+ENDIF(MYSQL_LIB)
+
+IF (MYSQL_INCLUDE_DIR AND MYSQL_LIB_DIR)
+    SET(MYSQL_FOUND TRUE)
+
+    INCLUDE_DIRECTORIES(${MYSQL_INCLUDE_DIR})
+    LINK_DIRECTORIES(${MYSQL_LIB_DIR})
+
+    FIND_LIBRARY(MYSQL_ZLIB zlib PATHS ${MYSQL_LIB_DIR})
+    FIND_LIBRARY(MYSQL_TAOCRYPT taocrypt PATHS ${MYSQL_LIB_DIR})
+    IF (MYSQL_LIB)
+        SET(MYSQL_CLIENT_LIBS ${MYSQL_LIB})
+    ELSE()
+        SET(MYSQL_CLIENT_LIBS mysqlclient_r)
+    ENDIF()
+    IF (MYSQL_ZLIB)
+        SET(MYSQL_CLIENT_LIBS ${MYSQL_CLIENT_LIBS} zlib)
+    ENDIF (MYSQL_ZLIB)
+    IF (MYSQL_TAOCRYPT)
+        SET(MYSQL_CLIENT_LIBS ${MYSQL_CLIENT_LIBS} taocrypt)
+    ENDIF (MYSQL_TAOCRYPT)
+    # Added needed mysqlclient dependencies on Windows
+    IF (WIN32)
+        SET(MYSQL_CLIENT_LIBS ${MYSQL_CLIENT_LIBS} ws2_32)
+    ENDIF (WIN32)
+
+    MESSAGE(STATUS "MySQL Include dir: ${MYSQL_INCLUDE_DIR}  library dir: ${MYSQL_LIB_DIR}")
+    MESSAGE(STATUS "MySQL client libraries: ${MYSQL_CLIENT_LIBS}")
+ELSEIF (MySQL_FIND_REQUIRED)
+    MESSAGE(FATAL_ERROR "Cannot find MySQL. Include dir: ${MYSQL_INCLUDE_DIR}  library dir: ${MYSQL_LIB_DIR}")
+ENDIF (MYSQL_INCLUDE_DIR AND MYSQL_LIB_DIR)

CMake/FindMYSQLPP.cmake

@@ -0,0 +1,33 @@
+# - Find MySQL++
+# Find the MySQL++ includes and client library
+# This module defines
+#  MYSQLPP_INCLUDE_DIR, where to find mysql.h
+#  MYSQLPP_LIBRARY, the libraries needed to use MySQL.
+#  MYSQLPP_FOUND, If false, do not try to use MySQL.
+
+FIND_PATH(MYSQLPP_INCLUDE_DIR mysql++.h
+    /usr/include/mysql++
+    /usr/local/include/mysql++
+    /opt/mysql++/include/mysql++
+    /opt/mysqlpp/include/mysql++
+    /opt/mysqlpp/include/
+)
+
+FIND_LIBRARY(MYSQLPP_LIBRARY mysqlpp
+    PATHS
+        /usr/lib
+        /usr/local/lib
+        /opt/mysql++
+        /opt/mysqlpp
+        /opt/mysqlpp/lib
+)
+
+if(MYSQLPP_INCLUDE_DIR AND MYSQLPP_LIBRARY)
+    set(MYSQLPP_FOUND TRUE)
+    message(STATUS "Found MySQL++: ${MYSQLPP_INCLUDE_DIR}, ${MYSQLPP_LIBRARY}")
+else()
+    set(MYSQLPP_FOUND FALSE)
+    message(STATUS "MySQL++ was not found.")
+endif()
+
+mark_as_advanced(MYSQLPP_INCLUDE_DIR MYSQLPP_LIBRARY)

CMake/FindTcmalloc.cmake

@@ -0,0 +1,42 @@
+# - Find Tcmalloc
+# Find the native Tcmalloc includes and library
+#
+#  TCMALLOC_INCLUDE_DIR - where to find Tcmalloc.h, etc.
+#  TCMALLOC_LIBRARIES   - List of libraries when using Tcmalloc.
+#  TCMALLOC_FOUND       - True if Tcmalloc found.
+
+find_path(TCMALLOC_INCLUDE_DIR google/tcmalloc.h 
+    NO_DEFAULT_PATH
+    PATHS
+        /usr/include
+        /usr/local/include
+        /opt/local/include
+)
+
+set(TCMALLOC_NAMES tcmalloc_minimal tcmalloc)
+
+find_library(TCMALLOC_LIBRARY NO_DEFAULT_PATH
+  NAMES ${TCMALLOC_NAMES}
+  PATHS 
+    /lib
+    /usr/lib
+    /usr/local/lib
+    /opt/local/lib
+)
+
+if(TCMALLOC_INCLUDE_DIR AND TCMALLOC_LIBRARY)
+  set(TCMALLOC_FOUND TRUE)
+else()
+  set(TCMALLOC_FOUND FALSE)
+endif()
+
+if(TCMALLOC_FOUND)
+    message(STATUS "Found Tcmalloc: ${TCMALLOC_LIBRARY}")
+else()
+    message(STATUS "Could not find tcmalloc")
+endif()
+
+mark_as_advanced(
+  TCMALLOC_LIBRARY
+  TCMALLOC_INCLUDE_DIR
+)

CMakeLists.txt

@@ -0,0 +1,78 @@
+cmake_minimum_required(VERSION 3.1)
+project(ocelot
+    VERSION 2.0.0
+)
+
+# Make a subdirectory, and run cmake there (mkdir build; cd build; cmake ..)
+if (CMAKE_BINARY_DIR STREQUAL CMAKE_SOURCE_DIR)
+   message(FATAL_ERROR "Source and build directories cannot be the same.")
+endif()
+
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/CMake")
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden -Wall -Wfatal-errors")
+
+message(STATUS "CMAKE_MODULE_PATH='${CMAKE_MODULE_PATH}'")
+find_package(Jemalloc)
+find_package(Tcmalloc)
+if(JEMALLOC_FOUND)
+    option(USE_JEMALLOC "Use jemalloc instead of system-provided malloc" ON)
+    if(TCMALLOC_FOUND)
+        option(USE_TCMALLOC "Use tcmalloc (Google's thread-cacheing malloc) instead of system-provided malloc" OFF)
+    else()
+        set(USE_TCMALLOC OFF)
+    endif()
+else()
+    set(USE_JEMALLOC OFF)
+    if(TCMALLOC_FOUND)
+        option(USE_TCMALLOC "Use tcmalloc (Google's thread-cacheing malloc) instead of system-provided malloc" ON)
+    else()
+        set(USE_TCMALLOC OFF)
+    endif()
+endif()
+
+#AM_LDFLAGS = -Wl,-O1 -Wl,--as-needed
+
+find_package(Boost COMPONENTS system iostreams REQUIRED)
+message(STATUS "Boost_INCLUDE_DIRS='${Boost_INCLUDE_DIRS}'")
+message(STATUS "Boost_LIBRARIES='${Boost_LIBRARIES}'")
+include_directories(${Boost_INCLUDE_DIRS})
+
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
+
+find_package(MYSQL REQUIRED)
+find_package(MYSQLPP REQUIRED)
+
+find_package(LibEv REQUIRED)
+include_directories(${LIBEV_INCLUDE_DIR})
+
+include_directories(${CMAKE_SOURCE_DIR}/libs)
+
+file(GLOB HEADERS src/*.h)
+file(GLOB SOURCES src/*.cpp)
+
+add_executable(ocelot ${HEADERS} ${SOURCES})
+
+SET(LINK_LIBRARIES
+    ${Boost_SYSTEM_LIBRARY}
+    ${Boost_IOSTREAMS_LIBRARY}
+    ${LIBEV_LIBRARY}
+    ${MYSQLPP_LIBRARY}
+    Threads::Threads
+)
+
+if (USE_JEMALLOC)
+    message(STATUS "Build with jemalloc")
+    list(APPEND LINK_LIBRARIES ${JEMALLOC_LIBRARY})
+elseif (USE_TCMALLOC)
+    message(STATUS "Build with tcmalloc")
+    list(APPEND LINK_LIBRARIES ${TCMALLOC_LIBRARY})
+endif()
+
+target_link_libraries(
+    ocelot
+    ${LINK_LIBRARIES}
+)

Dockerfile

@@ -0,0 +1,36 @@
+FROM debian:bookworm-slim
+
+LABEL org.opencontainers.image.source=https://github.com/OPSnet/Ocelot
+
+RUN apt-get update \
+    && apt-get install --no-install-recommends -y \
+        build-essential \
+        cmake \
+        default-libmysqlclient-dev \
+        libboost-iostreams-dev \
+        libboost-system-dev \
+        libev-dev \
+        libjemalloc-dev \
+        libmysql++-dev \
+        netcat-traditional \
+        pkg-config \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY . /srv
+WORKDIR /srv
+
+RUN cmake -Wno-dev -S /srv -B /srv/build \
+    && make -C build \
+    && apt-get purge -y \
+        build-essential \
+        cmake \
+        pkg-config \
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && mv /srv/build/ocelot /srv/ocelot \
+    && mv /srv/ocelot.conf.dist /srv/ocelot.conf
+
+# default listen_port value in ocelot.conf
+EXPOSE 34000
+
+CMD ["/srv/ocelot"]

Makefile.am

@@ -1,14 +0,0 @@
-ACLOCAL_AMFLAGS = -I m4
-
-bin_PROGRAMS = ocelot
-ocelot_SOURCES = config.cpp config.h db.cpp db.h events.cpp events.h misc_functions.cpp misc_functions.h \
-	ocelot.cpp ocelot.h report.cpp report.h response.cpp response.h \
-	schedule.cpp schedule.h site_comm.cpp site_comm.h user.cpp user.h worker.cpp worker.h
-
-AM_CXXFLAGS = -std=c++11 -march=native -O2 -fvisibility=hidden -fvisibility-inlines-hidden -fomit-frame-pointer -fno-ident -Wall -Wfatal-errors $(PTHREAD_CFLAGS) $(BOOST_CPPFLAGS)
-ocelot_LDADD = $(PTHREAD_LIBS) $(BOOST_IOSTREAMS_LIB) $(BOOST_SYSTEM_LIB)
-AM_LDFLAGS = -Wl,-O1 -Wl,--as-needed
-EXTRA_DIST = CHANGES LICENSE README.md ocelot.conf.dist
-dist-hook:
-	touch ${distdir}/configure
-	patch -p2 -d ${distdir} --no-backup-if-mismatch < ../dist.patch

Makefile.in

@@ -1,808 +0,0 @@
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-# @configure_input@
-
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
-
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
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-
-@SET_MAKE@
-
-VPATH = @srcdir@
-am__is_gnu_make = { \
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-    false; \
-  elif test -n '$(MAKE_HOST)'; then \
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-    true; \
-  else \
-    false; \
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-}
-am__make_running_with_option = \
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-transform = $(program_transform_name)
-NORMAL_INSTALL = :
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-POST_UNINSTALL = :
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-subdir = .
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-am__aclocal_m4_deps = $(top_srcdir)/m4/ax_boost_base.m4 \
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-	$(top_srcdir)/m4/ax_check_compile_flag.m4 \
-	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/ev++.m4 \
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-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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-DIST_COMMON = $(srcdir)/Makefile.am $(top_srcdir)/configure \
-	$(am__configure_deps) $(am__DIST_COMMON)
-am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
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-mkinstalldirs = $(install_sh) -d
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-am__installdirs = "$(DESTDIR)$(bindir)"
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-	esac
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-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:

README.md

@@ -1,24 +1,56 @@
 # Ocelot
 
-Ocelot is a BitTorrent tracker written in C++ for the [Gazelle](http://whatcd.github.io/Gazelle/) project. It supports requests over TCP and can only track IPv4 peers.
+Ocelot is a BitTorrent tracker written in C++ for the [Gazelle](http://github.com/OPSnet/Gazelle) project.
+It supports requests over TCP and can only track IPv4 peers.
 
 ## Ocelot Compile-time Dependencies
 
-* [GCC/G++](http://gcc.gnu.org/) (4.7+ required; 4.8.1+ recommended)
-* [Boost](http://www.boost.org/) (1.55.0+ required)
+* [GCC/G++](http://gcc.gnu.org/) (11+ required; 11.4.0+ recommended)
+* [Boost](http://www.boost.org/) (1.74.0+ required)
 * [libev](http://software.schmorp.de/pkg/libev.html) (required)
 * [MySQL++](http://tangentsoft.net/mysql++/) (3.2.0+ required)
-* [TCMalloc](http://goog-perftools.sourceforge.net/doc/tcmalloc.html) (optional, but strongly recommended)
+* [jemalloc](http://jemalloc.net/) (optional, but strongly recommended)
+* [TCMalloc](http://goog-perftools.sourceforge.net/doc/tcmalloc.html) (optional)
 
 ## Installation
 
+### Debian Bookworm
+```bash
+sudo apt-get install \
+    build-essential \
+    cmake \
+    default-libmysqlclient-dev \
+    libboost-iostreams-dev \
+    libboost-system-dev \
+    libev-dev \
+    libjemalloc-dev \
+    libmysql++-dev \
+	netcat-traditional \
+    pkg-config
+cmake -Wno-dev . -B build 
+make -C build
+```
+
 The [Gazelle installation guides](https://github.com/WhatCD/Gazelle/wiki/Gazelle-installation) include instructions for installing Ocelot as a part of the Gazelle project.
 
+### Docker
+
+```bash
+docker build . -t ocelot
+docker run -v $(pwd)/ocelot.conf:/srv/ocelot.conf ocelot
+```
+
 ### Standalone Installation
 
+* Prepare the build environment. (This must be re-executed when new source files are added).
+
+        cmake -Wno-dev . -B build
+
 * Create the following tables according to the [Gazelle database schema](https://raw.githubusercontent.com/WhatCD/Gazelle/master/gazelle.sql):
  - `torrents`
+ - `torrents_leech_stats`
  - `users_freeleeches`
+ - `users_leech_stats`
  - `users_main`
  - `xbt_client_whitelist`
  - `xbt_files_users`
@@ -28,9 +60,7 @@ The [Gazelle installation guides](https://github.com/WhatCD/Gazelle/wiki/Gazelle
 
 * Build Ocelot:
 
-        ./configure
-        make
-        make install
+        make -C build
 
 ## Running Ocelot
 

compile

@@ -1,347 +0,0 @@
-#! /bin/sh
-# Wrapper for compilers which do not understand '-c -o'.
-
-scriptversion=2012-10-14.11; # UTC
-
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
-# Written by Tom Tromey <[email protected]>.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# This file is maintained in Automake, please report
-# bugs to <[email protected]> or send patches to
-# <[email protected]>.
-
-nl='
-'
-
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent tools from complaining about whitespace usage.
-IFS=" ""	$nl"
-
-file_conv=
-
-# func_file_conv build_file lazy
-# Convert a $build file to $host form and store it in $file
-# Currently only supports Windows hosts. If the determined conversion
-# type is listed in (the comma separated) LAZY, no conversion will
-# take place.
-func_file_conv ()
-{
-  file=$1
-  case $file in
-    / | /[!/]*) # absolute file, and not a UNC file
-      if test -z "$file_conv"; then
-	# lazily determine how to convert abs files
-	case `uname -s` in
-	  MINGW*)
-	    file_conv=mingw
-	    ;;
-	  CYGWIN*)
-	    file_conv=cygwin
-	    ;;
-	  *)
-	    file_conv=wine
-	    ;;
-	esac
-      fi
-      case $file_conv/,$2, in
-	*,$file_conv,*)
-	  ;;
-	mingw/*)
-	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
-	  ;;
-	cygwin/*)
-	  file=`cygpath -m "$file" || echo "$file"`
-	  ;;
-	wine/*)
-	  file=`winepath -w "$file" || echo "$file"`
-	  ;;
-      esac
-      ;;
-  esac
-}
-
-# func_cl_dashL linkdir
-# Make cl look for libraries in LINKDIR
-func_cl_dashL ()
-{
-  func_file_conv "$1"
-  if test -z "$lib_path"; then
-    lib_path=$file
-  else
-    lib_path="$lib_path;$file"
-  fi
-  linker_opts="$linker_opts -LIBPATH:$file"
-}
-
-# func_cl_dashl library
-# Do a library search-path lookup for cl
-func_cl_dashl ()
-{
-  lib=$1
-  found=no
-  save_IFS=$IFS
-  IFS=';'
-  for dir in $lib_path $LIB
-  do
-    IFS=$save_IFS
-    if $shared && test -f "$dir/$lib.dll.lib"; then
-      found=yes
-      lib=$dir/$lib.dll.lib
-      break
-    fi
-    if test -f "$dir/$lib.lib"; then
-      found=yes
-      lib=$dir/$lib.lib
-      break
-    fi
-    if test -f "$dir/lib$lib.a"; then
-      found=yes
-      lib=$dir/lib$lib.a
-      break
-    fi
-  done
-  IFS=$save_IFS
-
-  if test "$found" != yes; then
-    lib=$lib.lib
-  fi
-}
-
-# func_cl_wrapper cl arg...
-# Adjust compile command to suit cl
-func_cl_wrapper ()
-{
-  # Assume a capable shell
-  lib_path=
-  shared=:
-  linker_opts=
-  for arg
-  do
-    if test -n "$eat"; then
-      eat=
-    else
-      case $1 in
-	-o)
-	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
-	  eat=1
-	  case $2 in
-	    *.o | *.[oO][bB][jJ])
-	      func_file_conv "$2"
-	      set x "$@" -Fo"$file"
-	      shift
-	      ;;
-	    *)
-	      func_file_conv "$2"
-	      set x "$@" -Fe"$file"
-	      shift
-	      ;;
-	  esac
-	  ;;
-	-I)
-	  eat=1
-	  func_file_conv "$2" mingw
-	  set x "$@" -I"$file"
-	  shift
-	  ;;
-	-I*)
-	  func_file_conv "${1#-I}" mingw
-	  set x "$@" -I"$file"
-	  shift
-	  ;;
-	-l)
-	  eat=1
-	  func_cl_dashl "$2"
-	  set x "$@" "$lib"
-	  shift
-	  ;;
-	-l*)
-	  func_cl_dashl "${1#-l}"
-	  set x "$@" "$lib"
-	  shift
-	  ;;
-	-L)
-	  eat=1
-	  func_cl_dashL "$2"
-	  ;;
-	-L*)
-	  func_cl_dashL "${1#-L}"
-	  ;;
-	-static)
-	  shared=false
-	  ;;
-	-Wl,*)
-	  arg=${1#-Wl,}
-	  save_ifs="$IFS"; IFS=','
-	  for flag in $arg; do
-	    IFS="$save_ifs"
-	    linker_opts="$linker_opts $flag"
-	  done
-	  IFS="$save_ifs"
-	  ;;
-	-Xlinker)
-	  eat=1
-	  linker_opts="$linker_opts $2"
-	  ;;
-	-*)
-	  set x "$@" "$1"
-	  shift
-	  ;;
-	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
-	  func_file_conv "$1"
-	  set x "$@" -Tp"$file"
-	  shift
-	  ;;
-	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
-	  func_file_conv "$1" mingw
-	  set x "$@" "$file"
-	  shift
-	  ;;
-	*)
-	  set x "$@" "$1"
-	  shift
-	  ;;
-      esac
-    fi
-    shift
-  done
-  if test -n "$linker_opts"; then
-    linker_opts="-link$linker_opts"
-  fi
-  exec "$@" $linker_opts
-  exit 1
-}
-
-eat=
-
-case $1 in
-  '')
-     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
-     exit 1;
-     ;;
-  -h | --h*)
-    cat <<\EOF
-Usage: compile [--help] [--version] PROGRAM [ARGS]
-
-Wrapper for compilers which do not understand '-c -o'.
-Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
-arguments, and rename the output as expected.
-
-If you are trying to build a whole package this is not the
-right script to run: please start by reading the file 'INSTALL'.
-
-Report bugs to <[email protected]>.
-EOF
-    exit $?
-    ;;
-  -v | --v*)
-    echo "compile $scriptversion"
-    exit $?
-    ;;
-  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
-    func_cl_wrapper "$@"      # Doesn't return...
-    ;;
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-
-ofile=
-cfile=
-
-for arg
-do
-  if test -n "$eat"; then
-    eat=
-  else
-    case $1 in
-      -o)
-	# configure might choose to run compile as 'compile cc -o foo foo.c'.
-	# So we strip '-o arg' only if arg is an object.
-	eat=1
-	case $2 in
-	  *.o | *.obj)
-	    ofile=$2
-	    ;;
-	  *)
-	    set x "$@" -o "$2"
-	    shift
-	    ;;
-	esac
-	;;
-      *.c)
-	cfile=$1
-	set x "$@" "$1"
-	shift
-	;;
-      *)
-	set x "$@" "$1"
-	shift
-	;;
-    esac
-  fi
-  shift
-done
-
-if test -z "$ofile" || test -z "$cfile"; then
-  # If no '-o' option was seen then we might have been invoked from a
-  # pattern rule where we don't need one.  That is ok -- this is a
-  # normal compilation that the losing compiler can handle.  If no
-  # '.c' file was seen then we are probably linking.  That is also
-  # ok.
-  exec "$@"
-fi
-
-# Name of file we expect compiler to create.
-cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
-
-# Create the lock directory.
-# Note: use '[/\\:.-]' here to ensure that we don't use the same name
-# that we are using for the .o file.  Also, base the name on the expected
-# object file name, since that is what matters with a parallel build.
-lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
-while true; do
-  if mkdir "$lockdir" >/dev/null 2>&1; then
-    break
-  fi
-  sleep 1
-done
-# FIXME: race condition here if user kills between mkdir and trap.
-trap "rmdir '$lockdir'; exit 1" 1 2 15
-
-# Run the compile.
-"$@"
-ret=$?
-
-if test -f "$cofile"; then
-  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
-elif test -f "${cofile}bj"; then
-  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
-fi
-
-rmdir "$lockdir"
-exit $ret
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "; # UTC"
-# End:

config.cpp

@@ -1,156 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <string>
-#include "config.h"
-#include "misc_functions.h"
-
-confval::confval() {
-	bool_val = 0;
-	uint_val = 0;
-	str_val = "";
-	val_type = CONF_NONEXISTENT;
-}
-
-confval::confval(bool value) {
-	bool_val = value;
-	val_type = CONF_BOOL;
-}
-
-confval::confval(unsigned int value) {
-	uint_val = value;
-	val_type = CONF_UINT;
-}
-
-confval::confval(const char * value) {
-	str_val = value;
-	val_type = CONF_STR;
-}
-
-bool confval::get_bool() {
-	return bool_val;
-}
-
-unsigned int confval::get_uint() {
-	return uint_val;
-}
-
-std::string confval::get_str() {
-	return str_val;
-}
-
-void confval::set(const std::string &value) {
-	if (val_type == CONF_BOOL) {
-		bool_val = value == "1" || value == "true" || value == "yes";
-	} else if (val_type == CONF_UINT) {
-		uint_val = strtoint32(value);
-	} else if (val_type == CONF_STR) {
-		str_val = value;
-	}
-}
-
-config::config() {
-	init();
-	dummy_setting = new confval(); // Safety value to use if we're accessing nonexistent settings
-}
-
-void config::init() {
-	// Internal stuff
-	add("listen_port", 34000u);
-	add("max_connections", 1024u);
-	add("max_middlemen", 20000u);
-	add("max_read_buffer", 4096u);
-	add("connection_timeout", 10u);
-	add("keepalive_timeout", 0u);
-
-	// Tracker requests
-	add("announce_interval", 1800u);
-	add("max_request_size", 4096u);
-	add("numwant_limit", 50u);
-	add("request_log_size", 500u);
-
-	// Timers
-	add("del_reason_lifetime", 86400u);
-	add("peers_timeout", 7200u);
-	add("reap_peers_interval", 1800u);
-	add("schedule_interval", 3u);
-
-	// MySQL
-	add("mysql_db", "gazelle");
-	add("mysql_host", "localhost");
-	add("mysql_username", "");
-	add("mysql_password", "");
-
-	// Site communication
-	add("site_host", "127.0.0.1");
-	add("site_path", "");
-	add("site_password", "00000000000000000000000000000000");
-	add("report_password", "00000000000000000000000000000000");
-
-	// Debugging
-	add("readonly", false);
-}
-
-confval * config::get(const std::string &setting_name) {
-	const auto setting = settings.find(setting_name);
-	if (setting == settings.end()) {
-		std::cout << "WARNING: Unrecognized setting '" << setting_name << "'" << std::endl;
-		return dummy_setting;
-	}
-	return &setting->second;
-}
-
-bool config::get_bool(const std::string &setting_name) {
-	return get(setting_name)->get_bool();
-}
-
-unsigned int config::get_uint(const std::string &setting_name) {
-	return get(setting_name)->get_uint();
-}
-
-std::string config::get_str(const std::string &setting_name) {
-	return get(setting_name)->get_str();
-}
-
-void config::set(const std::string &setting_name, const std::string &value) {
-	get(setting_name)->set(value);
-}
-
-void config::load(const std::string &conf_file_path, std::istream &conf_file) {
-	load(conf_file);
-	add("conf_file_path", conf_file_path.c_str());
-}
-
-void config::load(std::istream &conf_file) {
-	std::string line;
-	while (getline(conf_file, line)) {
-		size_t pos;
-		if (line[0] != '#' && (pos = line.find('=')) != std::string::npos) {
-			std::string key(trim(line.substr(0, pos)));
-			std::string value(trim(line.substr(pos + 1)));
-			set(key, value);
-		}
-	}
-}
-
-void config::reload() {
-	const std::string conf_file_path(get_str("conf_file_path"));
-	std::ifstream conf_file(conf_file_path);
-	if (conf_file.fail()) {
-		std::cout << "Config file '" << conf_file_path << "' couldn't be opened" << std::endl;
-	} else {
-		init();
-		load(conf_file);
-	}
-}
-
-std::string config::trim(const std::string str) {
-	size_t ltrim = str.find_first_not_of(" \t");
-	if (ltrim == std::string::npos) {
-		ltrim = 0;
-	}
-	size_t rtrim = str.find_last_not_of(" \t");
-	if (ltrim != 0 || rtrim != str.length() - 1) {
-		return str.substr(ltrim, rtrim - ltrim + 1);
-	}
-	return str;
-}

config.h

@@ -1,52 +0,0 @@
-#ifndef OCELOT_CONFIG_H
-#define OCELOT_CONFIG_H
-
-#include <string>
-#include <map>
-
-class confval {
-	private:
-		bool bool_val;
-		uint32_t uint_val;
-		std::string str_val;
-		enum {
-			CONF_NONEXISTENT,
-			CONF_BOOL,
-			CONF_UINT,
-			CONF_STR,
-		} val_type;
-	public:
-		confval();
-		confval(bool value);
-		confval(uint32_t value);
-		confval(const char * value);
-		uint32_t get_uint();
-		bool get_bool();
-		std::string get_str();
-		void set(const std::string &val);
-};
-
-class config {
-	private:
-		template <typename T> void add(const std::string &setting_name, T value);
-		std::string trim(const std::string str);
-		void init();
-		confval * get(const std::string &setting_name);
-		std::map<std::string, confval> settings;
-		confval * dummy_setting;
-	public:
-		config();
-		void load(std::istream &conf_file);
-		void load(const std::string &conf_file_path, std::istream &conf_file);
-		void reload();
-		bool get_bool(const std::string &setting_name);
-		uint32_t get_uint(const std::string &setting_name);
-		std::string get_str(const std::string &setting_name);
-		void set(const std::string &setting_name, const std::string &value);
-};
-
-template <typename T> void config::add(const std::string &setting_name, T value) {
-	confval setting(value);
-	settings[setting_name] = setting;
-}
-#endif

configure.ac

@@ -1,18 +0,0 @@
-AC_INIT(ocelot, 1.0)
-AM_INIT_AUTOMAKE([1.11 no-define foreign])
-AC_PROG_CXX
-AC_CONFIG_FILES([Makefile])
-AC_LANG_PUSH([C++])
-AX_CHECK_COMPILE_FLAG([-std=c++11], [], [AC_MSG_ERROR([Compiler does not support -std=c++11])])
-AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [CXXFLAGS="-fstack-protector-strong $CXXFLAGS"])
-AC_LANG_POP([C++])
-AX_BOOST_BASE([1.37], [], [AC_MSG_ERROR(Need boost >= 1.37)])
-AX_BOOST_IOSTREAMS
-AX_BOOST_SYSTEM
-AX_PTHREAD([], AC_MSG_FAILURE([pthread library is required]))
-EV_DEVEL
-MYSQL_C_API_LOCATION
-MYSQLPP_DEVEL
-TCMALLOC
-
-AC_OUTPUT

db.cpp

@@ -1,626 +0,0 @@
-#include "ocelot.h"
-#include "db.h"
-#include "user.h"
-#include "misc_functions.h"
-#include "config.h"
-#include <string>
-#include <iostream>
-#include <queue>
-#include <unistd.h>
-#include <ctime>
-#include <mutex>
-#include <thread>
-#include <unordered_set>
-
-#define DB_LOCK_TIMEOUT 50
-
-mysql::mysql(config * conf) : u_active(false), t_active(false), p_active(false), s_active(false), tok_active(false) {
-	load_config(conf);
-	if (mysql_db == "") {
-		std::cout << "No database selected" << std::endl;
-		return;
-	}
-
-	try {
-		mysqlpp::ReconnectOption reconnect(true);
-		conn.set_option(&reconnect);
-		conn.connect(mysql_db.c_str(), mysql_host.c_str(), mysql_username.c_str(), mysql_password.c_str(), 0);
-	} catch (const mysqlpp::Exception &er) {
-		std::cout << "Failed to connect to MySQL (" << er.what() << ')' << std::endl;
-		return;
-	}
-
-	if (!readonly) {
-		std::cout << "Clearing xbt_files_users and resetting peer counts...";
-		std::cout.flush();
-		clear_peer_data();
-		std::cout << "done" << std::endl;
-	}
-}
-
-void mysql::load_config(config * conf) {
-	mysql_db = conf->get_str("mysql_db");
-	mysql_host = conf->get_str("mysql_host");
-	mysql_username = conf->get_str("mysql_username");
-	mysql_password = conf->get_str("mysql_password");
-	readonly = conf->get_bool("readonly");
-}
-
-void mysql::reload_config(config * conf) {
-	load_config(conf);
-}
-
-bool mysql::connected() {
-	return conn.connected();
-}
-
-void mysql::clear_peer_data() {
-	try {
-		mysqlpp::Query query = conn.query("TRUNCATE xbt_files_users;");
-		if (!query.exec()) {
-			std::cerr << "Unable to truncate xbt_files_users!" << std::endl;
-		}
-		query = conn.query("UPDATE torrents SET Seeders = 0, Leechers = 0;");
-		if (!query.exec()) {
-			std::cerr << "Unable to reset seeder and leecher count!" << std::endl;
-		}
-	} catch (const mysqlpp::BadQuery &er) {
-		std::cerr << "Query error in clear_peer_data: " << er.what() << std::endl;
-	} catch (const mysqlpp::Exception &er) {
-		std::cerr << "Query error in clear_peer_data: " << er.what() << std::endl;
-	}
-}
-
-void mysql::load_torrents(torrent_list &torrents) {
-	mysqlpp::Query query = conn.query("SELECT ID, info_hash, freetorrent, Snatched FROM torrents ORDER BY ID;");
-	try {
-		mysqlpp::StoreQueryResult res = query.store();
-		std::unordered_set<std::string> cur_keys;
-		size_t num_rows = res.num_rows();
-		std::lock_guard<std::mutex> tl_lock(torrent_list_mutex);
-		if (torrents.size() == 0) {
-			torrents.reserve(num_rows * 1.05); // Reserve 5% extra space to prevent rehashing
-		} else {
-			// Create set with all currently known info hashes to remove nonexistent ones later
-			cur_keys.reserve(torrents.size());
-			for (auto const &it: torrents) {
-				cur_keys.insert(it.first);
-			}
-		}
-		for (size_t i = 0; i < num_rows; i++) {
-			std::string info_hash;
-			res[i][1].to_string(info_hash);
-			if (info_hash == "") {
-				continue;
-			}
-			mysqlpp::sql_enum free_torrent(res[i][2]);
-
-			torrent tmp_tor;
-			auto it = torrents.insert(std::pair<std::string, torrent>(info_hash, tmp_tor));
-			torrent &tor = (it.first)->second;
-			if (it.second) {
-				tor.id = res[i][0];
-				tor.balance = 0;
-				tor.completed = res[i][3];
-				tor.last_selected_seeder = "";
-			} else {
-				tor.tokened_users.clear();
-				cur_keys.erase(info_hash);
-			}
-			if (free_torrent == "1") {
-				tor.free_torrent = FREE;
-			} else if (free_torrent == "2") {
-				tor.free_torrent = NEUTRAL;
-			} else {
-				tor.free_torrent = NORMAL;
-			}
-		}
-		for (auto const &info_hash: cur_keys) {
-			// Remove tracked torrents that weren't found in the database
-			auto it = torrents.find(info_hash);
-			if (it != torrents.end()) {
-				torrent &tor = it->second;
-				stats.leechers -= tor.leechers.size();
-				stats.seeders -= tor.seeders.size();
-				for (auto &p: tor.leechers) {
-					p.second.user->decr_leeching();
-				}
-				for (auto &p: tor.seeders) {
-					p.second.user->decr_seeding();
-				}
-				torrents.erase(it);
-			}
-		}
-	} catch (const mysqlpp::BadQuery &er) {
-		std::cerr << "Query error in load_torrents: " << er.what() << std::endl;
-		return;
-	}
-	std::cout << "Loaded " << torrents.size() << " torrents" << std::endl;
-	load_tokens(torrents);
-}
-
-void mysql::load_users(user_list &users) {
-	mysqlpp::Query query = conn.query("SELECT ID, can_leech, torrent_pass, (Visible='0' OR IP='127.0.0.1') AS Protected FROM users_main WHERE Enabled='1';");
-	try {
-		mysqlpp::StoreQueryResult res = query.store();
-		size_t num_rows = res.num_rows();
-		std::unordered_set<std::string> cur_keys;
-		std::lock_guard<std::mutex> ul_lock(user_list_mutex);
-		if (users.size() == 0) {
-			users.reserve(num_rows * 1.05); // Reserve 5% extra space to prevent rehashing
-		} else {
-			// Create set with all currently known user keys to remove nonexistent ones later
-			cur_keys.reserve(users.size());
-			for (auto const &it: users) {
-				cur_keys.insert(it.first);
-			}
-		}
-		for (size_t i = 0; i < num_rows; i++) {
-			std::string passkey(res[i][2]);
-			bool protect_ip = res[i][3];
-			user_ptr tmp_user = std::make_shared<user>(res[i][0], res[i][1], protect_ip);
-			auto it = users.insert(std::pair<std::string, user_ptr>(passkey, tmp_user));
-			if (!it.second) {
-				user_ptr &u = (it.first)->second;
-				u->set_leechstatus(res[i][1]);
-				u->set_protected(protect_ip);
-				u->set_deleted(false);
-				cur_keys.erase(passkey);
-			}
-		}
-		for (auto const &passkey: cur_keys) {
-			// Remove users that weren't found in the database
-			auto it = users.find(passkey);
-			if (it != users.end()) {
-				it->second->set_deleted(true);
-				users.erase(it);
-			}
-		}
-	} catch (const mysqlpp::BadQuery &er) {
-		std::cerr << "Query error in load_users: " << er.what() << std::endl;
-		return;
-	}
-	std::cout << "Loaded " << users.size() << " users" << std::endl;
-}
-
-void mysql::load_tokens(torrent_list &torrents) {
-	mysqlpp::Query query = conn.query("SELECT uf.UserID, t.info_hash FROM users_freeleeches AS uf JOIN torrents AS t ON t.ID = uf.TorrentID WHERE uf.Expired = '0';");
-	int token_count = 0;
-	try {
-		mysqlpp::StoreQueryResult res = query.store();
-		size_t num_rows = res.num_rows();
-		std::lock_guard<std::mutex> tl_lock(torrent_list_mutex);
-		for (size_t i = 0; i < num_rows; i++) {
-			std::string info_hash;
-			res[i][1].to_string(info_hash);
-			auto it = torrents.find(info_hash);
-			if (it != torrents.end()) {
-				torrent &tor = it->second;
-				tor.tokened_users.insert(res[i][0]);
-				++token_count;
-			}
-		}
-	} catch (const mysqlpp::BadQuery &er) {
-		std::cerr << "Query error in load_tokens: " << er.what() << std::endl;
-		return;
-	}
-	std::cout << "Loaded " << token_count << " tokens" << std::endl;
-}
-
-
-void mysql::load_whitelist(std::vector<std::string> &whitelist) {
-	mysqlpp::Query query = conn.query("SELECT peer_id FROM xbt_client_whitelist;");
-	try {
-		mysqlpp::StoreQueryResult res = query.store();
-		size_t num_rows = res.num_rows();
-		std::lock_guard<std::mutex> wl_lock(whitelist_mutex);
-		whitelist.clear();
-		for (size_t i = 0; i<num_rows; i++) {
-			std::string peer_id;
-			res[i][0].to_string(peer_id);
-			whitelist.push_back(peer_id);
-		}
-	} catch (const mysqlpp::BadQuery &er) {
-		std::cerr << "Query error in load_whitelist: " << er.what() << std::endl;
-		return;
-	}
-	if (whitelist.size() == 0) {
-		std::cout << "Assuming no whitelist desired, disabling" << std::endl;
-	} else {
-		std::cout << "Loaded " << whitelist.size() << " clients into the whitelist" << std::endl;
-	}
-}
-
-void mysql::record_token(const std::string &record) {
-	if (update_token_buffer != "") {
-		update_token_buffer += ",";
-	}
-	update_token_buffer += record;
-}
-
-void mysql::record_user(const std::string &record) {
-	if (update_user_buffer != "") {
-		update_user_buffer += ",";
-	}
-	update_user_buffer += record;
-}
-
-void mysql::record_torrent(const std::string &record) {
-	std::lock_guard<std::mutex> tb_lock(torrent_buffer_lock);
-	if (update_torrent_buffer != "") {
-		update_torrent_buffer += ",";
-	}
-	update_torrent_buffer += record;
-}
-
-void mysql::record_peer(const std::string &record, const std::string &ip, const std::string &peer_id, const std::string &useragent) {
-	if (update_heavy_peer_buffer != "") {
-		update_heavy_peer_buffer += ",";
-	}
-	mysqlpp::Query q = conn.query();
-	q << record << mysqlpp::quote << ip << ',' << mysqlpp::quote << peer_id << ',' << mysqlpp::quote << useragent << "," << time(NULL) << ')';
-
-	update_heavy_peer_buffer += q.str();
-}
-void mysql::record_peer(const std::string &record, const std::string &peer_id) {
-	if (update_light_peer_buffer != "") {
-		update_light_peer_buffer += ",";
-	}
-	mysqlpp::Query q = conn.query();
-	q << record << mysqlpp::quote << peer_id << ',' << time(NULL) << ')';
-
-	update_light_peer_buffer += q.str();
-}
-
-void mysql::record_snatch(const std::string &record, const std::string &ip) {
-	if (update_snatch_buffer != "") {
-		update_snatch_buffer += ",";
-	}
-	mysqlpp::Query q = conn.query();
-	q << record << ',' << mysqlpp::quote << ip << ')';
-	update_snatch_buffer += q.str();
-}
-
-bool mysql::all_clear() {
-	return (user_queue.size() == 0 && torrent_queue.size() == 0 && peer_queue.size() == 0 && snatch_queue.size() == 0 && token_queue.size() == 0);
-}
-
-void mysql::flush() {
-	flush_users();
-	flush_torrents();
-	flush_snatches();
-	flush_peers();
-	flush_tokens();
-}
-
-void mysql::flush_users() {
-	if (readonly) {
-		update_user_buffer.clear();
-		return;
-	}
-	std::string sql;
-	std::lock_guard<std::mutex> uq_lock(user_queue_lock);
-	size_t qsize = user_queue.size();
-	if (verbose_flush || qsize > 0) {
-		std::cout << "User flush queue size: " << qsize << ", next query length: " << user_queue.front().size() << std::endl;
-	}
-	if (update_user_buffer == "") {
-		return;
-	}
-	sql = "INSERT INTO users_main (ID, Uploaded, Downloaded) VALUES " + update_user_buffer +
-		" ON DUPLICATE KEY UPDATE Uploaded = Uploaded + VALUES(Uploaded), Downloaded = Downloaded + VALUES(Downloaded)";
-	user_queue.push(sql);
-	update_user_buffer.clear();
-	if (u_active == false) {
-		std::thread thread(&mysql::do_flush_users, this);
-		thread.detach();
-	}
-}
-
-void mysql::flush_torrents() {
-	std::lock_guard<std::mutex> tb_lock(torrent_buffer_lock);
-	if (readonly) {
-		update_torrent_buffer.clear();
-		return;
-	}
-	std::string sql;
-	std::lock_guard<std::mutex> tq_lock(torrent_queue_lock);
-	size_t qsize = torrent_queue.size();
-	if (verbose_flush || qsize > 0) {
-		std::cout << "Torrent flush queue size: " << qsize << ", next query length: " << torrent_queue.front().size() << std::endl;
-	}
-	if (update_torrent_buffer == "") {
-		return;
-	}
-	sql = "INSERT INTO torrents (ID,Seeders,Leechers,Snatched,Balance) VALUES " + update_torrent_buffer +
-		" ON DUPLICATE KEY UPDATE Seeders=VALUES(Seeders), Leechers=VALUES(Leechers), " +
-		"Snatched=Snatched+VALUES(Snatched), Balance=VALUES(Balance), last_action = " +
-		"IF(VALUES(Seeders) > 0, NOW(), last_action)";
-	torrent_queue.push(sql);
-	update_torrent_buffer.clear();
-	sql.clear();
-	sql = "DELETE FROM torrents WHERE info_hash = ''";
-	torrent_queue.push(sql);
-	if (t_active == false) {
-		std::thread thread(&mysql::do_flush_torrents, this);
-		thread.detach();
-	}
-}
-
-void mysql::flush_snatches() {
-	if (readonly) {
-		update_snatch_buffer.clear();
-		return;
-	}
-	std::string sql;
-	std::lock_guard<std::mutex> sq_lock(snatch_queue_lock);
-	size_t qsize = snatch_queue.size();
-	if (verbose_flush || qsize > 0) {
-		std::cout << "Snatch flush queue size: " << qsize << ", next query length: " << snatch_queue.front().size() << std::endl;
-	}
-	if (update_snatch_buffer == "" ) {
-		return;
-	}
-	sql = "INSERT INTO xbt_snatched (uid, fid, tstamp, IP) VALUES " + update_snatch_buffer;
-	snatch_queue.push(sql);
-	update_snatch_buffer.clear();
-	if (s_active == false) {
-		std::thread thread(&mysql::do_flush_snatches, this);
-		thread.detach();
-	}
-}
-
-void mysql::flush_peers() {
-	if (readonly) {
-		update_light_peer_buffer.clear();
-		update_heavy_peer_buffer.clear();
-		return;
-	}
-	std::string sql;
-	std::lock_guard<std::mutex> pq_lock(peer_queue_lock);
-	size_t qsize = peer_queue.size();
-	if (verbose_flush || qsize > 0) {
-		std::cout << "Peer flush queue size: " << qsize << ", next query length: " << peer_queue.front().size() << std::endl;
-	}
-
-	// Nothing to do
-	if (update_light_peer_buffer == "" && update_heavy_peer_buffer == "") {
-		return;
-	}
-
-	if (update_heavy_peer_buffer != "") {
-		// Because xfu inserts are slow and ram is not infinite we need to
-		// limit this queue's size
-		// xfu will be messed up if the light query inserts a new row,
-		// but that's better than an oom crash
-		if (qsize >= 1000) {
-			peer_queue.pop();
-		}
-		sql = "INSERT INTO xbt_files_users (uid,fid,active,uploaded,downloaded,upspeed,downspeed,remaining,corrupt," +
-			std::string("timespent,announced,ip,peer_id,useragent,mtime) VALUES ") + update_heavy_peer_buffer +
-					" ON DUPLICATE KEY UPDATE active=VALUES(active), uploaded=VALUES(uploaded), " +
-					"downloaded=VALUES(downloaded), upspeed=VALUES(upspeed), " +
-					"downspeed=VALUES(downspeed), remaining=VALUES(remaining), " +
-					"corrupt=VALUES(corrupt), timespent=VALUES(timespent), " +
-					"announced=VALUES(announced), mtime=VALUES(mtime)";
-		peer_queue.push(sql);
-		update_heavy_peer_buffer.clear();
-		sql.clear();
-	}
-	if (update_light_peer_buffer != "") {
-		// See comment above
-		if (qsize >= 1000) {
-			peer_queue.pop();
-		}
-		sql = "INSERT INTO xbt_files_users (uid,fid,timespent,announced,peer_id,mtime) VALUES " +
-					update_light_peer_buffer +
-					" ON DUPLICATE KEY UPDATE upspeed=0, downspeed=0, timespent=VALUES(timespent), " +
-					"announced=VALUES(announced), mtime=VALUES(mtime)";
-		peer_queue.push(sql);
-		update_light_peer_buffer.clear();
-		sql.clear();
-	}
-
-	if (p_active == false) {
-		std::thread thread(&mysql::do_flush_peers, this);
-		thread.detach();
-	}
-}
-
-void mysql::flush_tokens() {
-	if (readonly) {
-		update_token_buffer.clear();
-		return;
-	}
-	std::string sql;
-	std::lock_guard<std::mutex> tq_lock(token_queue_lock);
-	size_t qsize = token_queue.size();
-	if (verbose_flush || qsize > 0) {
-		std::cout << "Token flush queue size: " << qsize << ", next query length: " << token_queue.front().size() << std::endl;
-	}
-	if (update_token_buffer == "") {
-		return;
-	}
-	sql = "INSERT INTO users_freeleeches (UserID, TorrentID, Downloaded) VALUES " + update_token_buffer +
-		" ON DUPLICATE KEY UPDATE Downloaded = Downloaded + VALUES(Downloaded)";
-	token_queue.push(sql);
-	update_token_buffer.clear();
-	if (tok_active == false) {
-		std::thread thread(&mysql::do_flush_tokens, this);
-		thread.detach();
-	}
-}
-
-void mysql::do_flush_users() {
-	u_active = true;
-	try {
-		mysqlpp::Connection c(mysql_db.c_str(), mysql_host.c_str(), mysql_username.c_str(), mysql_password.c_str(), 0);
-		while (user_queue.size() > 0) {
-			try {
-				std::string sql = user_queue.front();
-				mysqlpp::Query query = c.query(sql);
-				if (!query.exec()) {
-					std::cout << "User flush failed (" << user_queue.size() << " remain)" << std::endl;
-					sleep(3);
-					continue;
-				} else {
-					std::lock_guard<std::mutex> uq_lock(user_queue_lock);
-					user_queue.pop();
-				}
-			}
-			catch (const mysqlpp::BadQuery &er) {
-				std::cerr << "Query error: " << er.what() << " in flush users with a qlength: " << user_queue.front().size() << " queue size: " << user_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			} catch (const mysqlpp::Exception &er) {
-				std::cerr << "Query error: " << er.what() << " in flush users with a qlength: " << user_queue.front().size() <<  " queue size: " << user_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			}
-		}
-	}
-	catch (const mysqlpp::Exception &er) {
-		std::cerr << "MySQL error in flush_users: " << er.what() << std::endl;
-	}
-	u_active = false;
-}
-
-void mysql::do_flush_torrents() {
-	t_active = true;
-	try {
-		mysqlpp::Connection c(mysql_db.c_str(), mysql_host.c_str(), mysql_username.c_str(), mysql_password.c_str(), 0);
-		while (torrent_queue.size() > 0) {
-			try {
-				std::string sql = torrent_queue.front();
-				if (sql == "") {
-					torrent_queue.pop();
-					continue;
-				}
-				mysqlpp::Query query = c.query(sql);
-				if (!query.exec()) {
-					std::cout << "Torrent flush failed (" << torrent_queue.size() << " remain)" << std::endl;
-					sleep(3);
-					continue;
-				} else {
-					std::lock_guard<std::mutex> tq_lock(torrent_queue_lock);
-					torrent_queue.pop();
-				}
-			}
-			catch (const mysqlpp::BadQuery &er) {
-				std::cerr << "Query error: " << er.what() << " in flush torrents with a qlength: " << torrent_queue.front().size() << " queue size: " << torrent_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			} catch (const mysqlpp::Exception &er) {
-				std::cerr << "Query error: " << er.what() << " in flush torrents with a qlength: " << torrent_queue.front().size() << " queue size: " << torrent_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			}
-		}
-	}
-	catch (const mysqlpp::Exception &er) {
-		std::cerr << "MySQL error in flush_torrents: " << er.what() << std::endl;
-	}
-	t_active = false;
-}
-
-void mysql::do_flush_peers() {
-	p_active = true;
-	try {
-		mysqlpp::Connection c(mysql_db.c_str(), mysql_host.c_str(), mysql_username.c_str(), mysql_password.c_str(), 0);
-		while (peer_queue.size() > 0) {
-			try {
-				std::string sql = peer_queue.front();
-				mysqlpp::Query query = c.query(sql);
-				if (!query.exec()) {
-					std::cout << "Peer flush failed (" << peer_queue.size() << " remain)" << std::endl;
-					sleep(3);
-					continue;
-				} else {
-					std::lock_guard<std::mutex> pq_lock(peer_queue_lock);
-					peer_queue.pop();
-				}
-			}
-			catch (const mysqlpp::BadQuery &er) {
-				std::cerr << "Query error: " << er.what() << " in flush peers with a qlength: " << peer_queue.front().size() << " queue size: " << peer_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			} catch (const mysqlpp::Exception &er) {
-				std::cerr << "Query error: " << er.what() << " in flush peers with a qlength: " << peer_queue.front().size() << " queue size: " << peer_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			}
-		}
-	}
-	catch (const mysqlpp::Exception &er) {
-		std::cerr << "MySQL error in flush_peers: " << er.what() << std::endl;
-	}
-	p_active = false;
-}
-
-void mysql::do_flush_snatches() {
-	s_active = true;
-	try {
-		mysqlpp::Connection c(mysql_db.c_str(), mysql_host.c_str(), mysql_username.c_str(), mysql_password.c_str(), 0);
-		while (snatch_queue.size() > 0) {
-			try {
-				std::string sql = snatch_queue.front();
-				mysqlpp::Query query = c.query(sql);
-				if (!query.exec()) {
-					std::cout << "Snatch flush failed (" << snatch_queue.size() << " remain)" << std::endl;
-					sleep(3);
-					continue;
-				} else {
-					std::lock_guard<std::mutex> sq_lock(snatch_queue_lock);
-					snatch_queue.pop();
-				}
-			}
-			catch (const mysqlpp::BadQuery &er) {
-				std::cerr << "Query error: " << er.what() << " in flush snatches with a qlength: " << snatch_queue.front().size() << " queue size: " << snatch_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			} catch (const mysqlpp::Exception &er) {
-				std::cerr << "Query error: " << er.what() << " in flush snatches with a qlength: " << snatch_queue.front().size() << " queue size: " << snatch_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			}
-		}
-	}
-	catch (const mysqlpp::Exception &er) {
-		std::cerr << "MySQL error in flush_snatches: " << er.what() << std::endl;
-	}
-	s_active = false;
-}
-
-void mysql::do_flush_tokens() {
-	tok_active = true;
-	try {
-		mysqlpp::Connection c(mysql_db.c_str(), mysql_host.c_str(), mysql_username.c_str(), mysql_password.c_str(), 0);
-		while (token_queue.size() > 0) {
-			try {
-				std::string sql = token_queue.front();
-				mysqlpp::Query query = c.query(sql);
-				if (!query.exec()) {
-					std::cout << "Token flush failed (" << token_queue.size() << " remain)" << std::endl;
-					sleep(3);
-					continue;
-				} else {
-					std::lock_guard<std::mutex> tq_lock(token_queue_lock);
-					token_queue.pop();
-				}
-			}
-			catch (const mysqlpp::BadQuery &er) {
-				std::cerr << "Query error: " << er.what() << " in flush tokens with a qlength: " << token_queue.front().size() << " queue size: " << token_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			} catch (const mysqlpp::Exception &er) {
-				std::cerr << "Query error: " << er.what() << " in flush tokens with a qlength: " << token_queue.front().size() << " queue size: " << token_queue.size() << std::endl;
-				sleep(3);
-				continue;
-			}
-		}
-	}
-	catch (const mysqlpp::Exception &er) {
-		std::cerr << "MySQL error in flush_tokens: " << er.what() << std::endl;
-	}
-	tok_active = false;
-}

db.h

@@ -1,83 +0,0 @@
-#ifndef OCELOT_DB_H
-#define OCELOT_DB_H
-#pragma GCC visibility push(default)
-#include <mysql++/mysql++.h>
-#include <string>
-#include <unordered_map>
-#include <queue>
-#include <mutex>
-#include "config.h"
-
-class mysql {
-	private:
-		mysqlpp::Connection conn;
-		std::string update_user_buffer;
-		std::string update_torrent_buffer;
-		std::string update_heavy_peer_buffer;
-		std::string update_light_peer_buffer;
-		std::string update_snatch_buffer;
-		std::string update_token_buffer;
-
-		std::queue<std::string> user_queue;
-		std::queue<std::string> torrent_queue;
-		std::queue<std::string> peer_queue;
-		std::queue<std::string> snatch_queue;
-		std::queue<std::string> token_queue;
-
-		std::string mysql_db, mysql_host, mysql_username, mysql_password;
-		bool u_active, t_active, p_active, s_active, tok_active;
-		bool readonly;
-
-		// These locks prevent more than one thread from reading/writing the buffers.
-		// These should be held for the minimum time possible.
-		std::mutex user_queue_lock;
-		std::mutex torrent_buffer_lock;
-		std::mutex torrent_queue_lock;
-		std::mutex peer_queue_lock;
-		std::mutex snatch_queue_lock;
-		std::mutex token_queue_lock;
-
-		void load_config(config * conf);
-		void load_tokens(torrent_list &torrents);
-
-		void do_flush_users();
-		void do_flush_torrents();
-		void do_flush_snatches();
-		void do_flush_peers();
-		void do_flush_tokens();
-
-		void flush_users();
-		void flush_torrents();
-		void flush_snatches();
-		void flush_peers();
-		void flush_tokens();
-		void clear_peer_data();
-
-	public:
-		bool verbose_flush;
-
-		mysql(config * conf);
-		void reload_config(config * conf);
-		bool connected();
-		void load_torrents(torrent_list &torrents);
-		void load_users(user_list &users);
-		void load_whitelist(std::vector<std::string> &whitelist);
-
-		void record_user(const std::string &record); // (id,uploaded_change,downloaded_change)
-		void record_torrent(const std::string &record); // (id,seeders,leechers,snatched_change,balance)
-		void record_snatch(const std::string &record, const std::string &ip); // (uid,fid,tstamp)
-		void record_peer(const std::string &record, const std::string &ip, const std::string &peer_id, const std::string &useragent); // (uid,fid,active,peerid,useragent,ip,uploaded,downloaded,upspeed,downspeed,left,timespent,announces,tstamp)
-		void record_peer(const std::string &record, const std::string &peer_id); // (fid,peerid,timespent,announces,tstamp)
-		void record_token(const std::string &record);
-
-		void flush();
-
-		bool all_clear();
-
-		std::mutex torrent_list_mutex;
-		std::mutex user_list_mutex;
-		std::mutex whitelist_mutex;
-};
-
-#pragma GCC visibility pop
-#endif

depcomp

@@ -1,791 +0,0 @@
-#! /bin/sh
-# depcomp - compile a program generating dependencies as side-effects
-
-scriptversion=2013-05-30.07; # UTC
-
-# Copyright (C) 1999-2013 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# Originally written by Alexandre Oliva <[email protected]>.
-
-case $1 in
-  '')
-    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
-    exit 1;
-    ;;
-  -h | --h*)
-    cat <<\EOF
-Usage: depcomp [--help] [--version] PROGRAM [ARGS]
-
-Run PROGRAMS ARGS to compile a file, generating dependencies
-as side-effects.
-
-Environment variables:
-  depmode     Dependency tracking mode.
-  source      Source file read by 'PROGRAMS ARGS'.
-  object      Object file output by 'PROGRAMS ARGS'.
-  DEPDIR      directory where to store dependencies.
-  depfile     Dependency file to output.
-  tmpdepfile  Temporary file to use when outputting dependencies.
-  libtool     Whether libtool is used (yes/no).
-
-Report bugs to <[email protected]>.
-EOF
-    exit $?
-    ;;
-  -v | --v*)
-    echo "depcomp $scriptversion"
-    exit $?
-    ;;
-esac
-
-# Get the directory component of the given path, and save it in the
-# global variables '$dir'.  Note that this directory component will
-# be either empty or ending with a '/' character.  This is deliberate.
-set_dir_from ()
-{
-  case $1 in
-    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
-      *) dir=;;
-  esac
-}
-
-# Get the suffix-stripped basename of the given path, and save it the
-# global variable '$base'.
-set_base_from ()
-{
-  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
-}
-
-# If no dependency file was actually created by the compiler invocation,
-# we still have to create a dummy depfile, to avoid errors with the
-# Makefile "include basename.Plo" scheme.
-make_dummy_depfile ()
-{
-  echo "#dummy" > "$depfile"
-}
-
-# Factor out some common post-processing of the generated depfile.
-# Requires the auxiliary global variable '$tmpdepfile' to be set.
-aix_post_process_depfile ()
-{
-  # If the compiler actually managed to produce a dependency file,
-  # post-process it.
-  if test -f "$tmpdepfile"; then
-    # Each line is of the form 'foo.o: dependency.h'.
-    # Do two passes, one to just change these to
-    #   $object: dependency.h
-    # and one to simply output
-    #   dependency.h:
-    # which is needed to avoid the deleted-header problem.
-    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
-      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
-    } > "$depfile"
-    rm -f "$tmpdepfile"
-  else
-    make_dummy_depfile
-  fi
-}
-
-# A tabulation character.
-tab='	'
-# A newline character.
-nl='
-'
-# Character ranges might be problematic outside the C locale.
-# These definitions help.
-upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
-lower=abcdefghijklmnopqrstuvwxyz
-digits=0123456789
-alpha=${upper}${lower}
-
-if test -z "$depmode" || test -z "$source" || test -z "$object"; then
-  echo "depcomp: Variables source, object and depmode must be set" 1>&2
-  exit 1
-fi
-
-# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
-depfile=${depfile-`echo "$object" |
-  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
-tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
-
-rm -f "$tmpdepfile"
-
-# Avoid interferences from the environment.
-gccflag= dashmflag=
-
-# Some modes work just like other modes, but use different flags.  We
-# parameterize here, but still list the modes in the big case below,
-# to make depend.m4 easier to write.  Note that we *cannot* use a case
-# here, because this file can only contain one case statement.
-if test "$depmode" = hp; then
-  # HP compiler uses -M and no extra arg.
-  gccflag=-M
-  depmode=gcc
-fi
-
-if test "$depmode" = dashXmstdout; then
-  # This is just like dashmstdout with a different argument.
-  dashmflag=-xM
-  depmode=dashmstdout
-fi
-
-cygpath_u="cygpath -u -f -"
-if test "$depmode" = msvcmsys; then
-  # This is just like msvisualcpp but w/o cygpath translation.
-  # Just convert the backslash-escaped backslashes to single forward
-  # slashes to satisfy depend.m4
-  cygpath_u='sed s,\\\\,/,g'
-  depmode=msvisualcpp
-fi
-
-if test "$depmode" = msvc7msys; then
-  # This is just like msvc7 but w/o cygpath translation.
-  # Just convert the backslash-escaped backslashes to single forward
-  # slashes to satisfy depend.m4
-  cygpath_u='sed s,\\\\,/,g'
-  depmode=msvc7
-fi
-
-if test "$depmode" = xlc; then
-  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
-  gccflag=-qmakedep=gcc,-MF
-  depmode=gcc
-fi
-
-case "$depmode" in
-gcc3)
-## gcc 3 implements dependency tracking that does exactly what
-## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
-## it if -MD -MP comes after the -MF stuff.  Hmm.
-## Unfortunately, FreeBSD c89 acceptance of flags depends upon
-## the command line argument order; so add the flags where they
-## appear in depend2.am.  Note that the slowdown incurred here
-## affects only configure: in makefiles, %FASTDEP% shortcuts this.
-  for arg
-  do
-    case $arg in
-    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
-    *)  set fnord "$@" "$arg" ;;
-    esac
-    shift # fnord
-    shift # $arg
-  done
-  "$@"
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  mv "$tmpdepfile" "$depfile"
-  ;;
-
-gcc)
-## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
-## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
-## (see the conditional assignment to $gccflag above).
-## There are various ways to get dependency output from gcc.  Here's
-## why we pick this rather obscure method:
-## - Don't want to use -MD because we'd like the dependencies to end
-##   up in a subdir.  Having to rename by hand is ugly.
-##   (We might end up doing this anyway to support other compilers.)
-## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).  Also, it might not be
-##   supported by the other compilers which use the 'gcc' depmode.
-## - Using -M directly means running the compiler twice (even worse
-##   than renaming).
-  if test -z "$gccflag"; then
-    gccflag=-MD,
-  fi
-  "$@" -Wp,"$gccflag$tmpdepfile"
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
-  # The second -e expression handles DOS-style file names with drive
-  # letters.
-  sed -e 's/^[^:]*: / /' \
-      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
-## This next piece of magic avoids the "deleted header file" problem.
-## The problem is that when a header file which appears in a .P file
-## is deleted, the dependency causes make to die (because there is
-## typically no way to rebuild the header).  We avoid this by adding
-## dummy dependencies for each header file.  Too bad gcc doesn't do
-## this for us directly.
-## Some versions of gcc put a space before the ':'.  On the theory
-## that the space means something, we add a space to the output as
-## well.  hp depmode also adds that space, but also prefixes the VPATH
-## to the object.  Take care to not repeat it in the output.
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-  tr ' ' "$nl" < "$tmpdepfile" \
-    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
-    | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-hp)
-  # This case exists only to let depend.m4 do its work.  It works by
-  # looking at the text of this script.  This case will never be run,
-  # since it is checked for above.
-  exit 1
-  ;;
-
-sgi)
-  if test "$libtool" = yes; then
-    "$@" "-Wp,-MDupdate,$tmpdepfile"
-  else
-    "$@" -MDupdate "$tmpdepfile"
-  fi
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-
-  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
-    echo "$object : \\" > "$depfile"
-    # Clip off the initial element (the dependent).  Don't try to be
-    # clever and replace this with sed code, as IRIX sed won't handle
-    # lines with more than a fixed number of characters (4096 in
-    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
-    # the IRIX cc adds comments like '#:fec' to the end of the
-    # dependency line.
-    tr ' ' "$nl" < "$tmpdepfile" \
-      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
-      | tr "$nl" ' ' >> "$depfile"
-    echo >> "$depfile"
-    # The second pass generates a dummy entry for each header file.
-    tr ' ' "$nl" < "$tmpdepfile" \
-      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
-      >> "$depfile"
-  else
-    make_dummy_depfile
-  fi
-  rm -f "$tmpdepfile"
-  ;;
-
-xlc)
-  # This case exists only to let depend.m4 do its work.  It works by
-  # looking at the text of this script.  This case will never be run,
-  # since it is checked for above.
-  exit 1
-  ;;
-
-aix)
-  # The C for AIX Compiler uses -M and outputs the dependencies
-  # in a .u file.  In older versions, this file always lives in the
-  # current directory.  Also, the AIX compiler puts '$object:' at the
-  # start of each line; $object doesn't have directory information.
-  # Version 6 uses the directory in both cases.
-  set_dir_from "$object"
-  set_base_from "$object"
-  if test "$libtool" = yes; then
-    tmpdepfile1=$dir$base.u
-    tmpdepfile2=$base.u
-    tmpdepfile3=$dir.libs/$base.u
-    "$@" -Wc,-M
-  else
-    tmpdepfile1=$dir$base.u
-    tmpdepfile2=$dir$base.u
-    tmpdepfile3=$dir$base.u
-    "$@" -M
-  fi
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-    exit $stat
-  fi
-
-  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-  do
-    test -f "$tmpdepfile" && break
-  done
-  aix_post_process_depfile
-  ;;
-
-tcc)
-  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
-  # FIXME: That version still under development at the moment of writing.
-  #        Make that this statement remains true also for stable, released
-  #        versions.
-  # It will wrap lines (doesn't matter whether long or short) with a
-  # trailing '\', as in:
-  #
-  #   foo.o : \
-  #    foo.c \
-  #    foo.h \
-  #
-  # It will put a trailing '\' even on the last line, and will use leading
-  # spaces rather than leading tabs (at least since its commit 0394caf7
-  # "Emit spaces for -MD").
-  "$@" -MD -MF "$tmpdepfile"
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
-  # We have to change lines of the first kind to '$object: \'.
-  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
-  # And for each line of the second kind, we have to emit a 'dep.h:'
-  # dummy dependency, to avoid the deleted-header problem.
-  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-## The order of this option in the case statement is important, since the
-## shell code in configure will try each of these formats in the order
-## listed in this file.  A plain '-MD' option would be understood by many
-## compilers, so we must ensure this comes after the gcc and icc options.
-pgcc)
-  # Portland's C compiler understands '-MD'.
-  # Will always output deps to 'file.d' where file is the root name of the
-  # source file under compilation, even if file resides in a subdirectory.
-  # The object file name does not affect the name of the '.d' file.
-  # pgcc 10.2 will output
-  #    foo.o: sub/foo.c sub/foo.h
-  # and will wrap long lines using '\' :
-  #    foo.o: sub/foo.c ... \
-  #     sub/foo.h ... \
-  #     ...
-  set_dir_from "$object"
-  # Use the source, not the object, to determine the base name, since
-  # that's sadly what pgcc will do too.
-  set_base_from "$source"
-  tmpdepfile=$base.d
-
-  # For projects that build the same source file twice into different object
-  # files, the pgcc approach of using the *source* file root name can cause
-  # problems in parallel builds.  Use a locking strategy to avoid stomping on
-  # the same $tmpdepfile.
-  lockdir=$base.d-lock
-  trap "
-    echo '$0: caught signal, cleaning up...' >&2
-    rmdir '$lockdir'
-    exit 1
-  " 1 2 13 15
-  numtries=100
-  i=$numtries
-  while test $i -gt 0; do
-    # mkdir is a portable test-and-set.
-    if mkdir "$lockdir" 2>/dev/null; then
-      # This process acquired the lock.
-      "$@" -MD
-      stat=$?
-      # Release the lock.
-      rmdir "$lockdir"
-      break
-    else
-      # If the lock is being held by a different process, wait
-      # until the winning process is done or we timeout.
-      while test -d "$lockdir" && test $i -gt 0; do
-        sleep 1
-        i=`expr $i - 1`
-      done
-    fi
-    i=`expr $i - 1`
-  done
-  trap - 1 2 13 15
-  if test $i -le 0; then
-    echo "$0: failed to acquire lock after $numtries attempts" >&2
-    echo "$0: check lockdir '$lockdir'" >&2
-    exit 1
-  fi
-
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  # Each line is of the form `foo.o: dependent.h',
-  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
-  # Do two passes, one to just change these to
-  # `$object: dependent.h' and one to simply `dependent.h:'.
-  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
-  # Some versions of the HPUX 10.20 sed can't process this invocation
-  # correctly.  Breaking it into two sed invocations is a workaround.
-  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
-    | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-hp2)
-  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
-  # compilers, which have integrated preprocessors.  The correct option
-  # to use with these is +Maked; it writes dependencies to a file named
-  # 'foo.d', which lands next to the object file, wherever that
-  # happens to be.
-  # Much of this is similar to the tru64 case; see comments there.
-  set_dir_from  "$object"
-  set_base_from "$object"
-  if test "$libtool" = yes; then
-    tmpdepfile1=$dir$base.d
-    tmpdepfile2=$dir.libs/$base.d
-    "$@" -Wc,+Maked
-  else
-    tmpdepfile1=$dir$base.d
-    tmpdepfile2=$dir$base.d
-    "$@" +Maked
-  fi
-  stat=$?
-  if test $stat -ne 0; then
-     rm -f "$tmpdepfile1" "$tmpdepfile2"
-     exit $stat
-  fi
-
-  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
-  do
-    test -f "$tmpdepfile" && break
-  done
-  if test -f "$tmpdepfile"; then
-    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
-    # Add 'dependent.h:' lines.
-    sed -ne '2,${
-               s/^ *//
-               s/ \\*$//
-               s/$/:/
-               p
-             }' "$tmpdepfile" >> "$depfile"
-  else
-    make_dummy_depfile
-  fi
-  rm -f "$tmpdepfile" "$tmpdepfile2"
-  ;;
-
-tru64)
-  # The Tru64 compiler uses -MD to generate dependencies as a side
-  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
-  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
-  # dependencies in 'foo.d' instead, so we check for that too.
-  # Subdirectories are respected.
-  set_dir_from  "$object"
-  set_base_from "$object"
-
-  if test "$libtool" = yes; then
-    # Libtool generates 2 separate objects for the 2 libraries.  These
-    # two compilations output dependencies in $dir.libs/$base.o.d and
-    # in $dir$base.o.d.  We have to check for both files, because
-    # one of the two compilations can be disabled.  We should prefer
-    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
-    # automatically cleaned when .libs/ is deleted, while ignoring
-    # the former would cause a distcleancheck panic.
-    tmpdepfile1=$dir$base.o.d          # libtool 1.5
-    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
-    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
-    "$@" -Wc,-MD
-  else
-    tmpdepfile1=$dir$base.d
-    tmpdepfile2=$dir$base.d
-    tmpdepfile3=$dir$base.d
-    "$@" -MD
-  fi
-
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-    exit $stat
-  fi
-
-  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-  do
-    test -f "$tmpdepfile" && break
-  done
-  # Same post-processing that is required for AIX mode.
-  aix_post_process_depfile
-  ;;
-
-msvc7)
-  if test "$libtool" = yes; then
-    showIncludes=-Wc,-showIncludes
-  else
-    showIncludes=-showIncludes
-  fi
-  "$@" $showIncludes > "$tmpdepfile"
-  stat=$?
-  grep -v '^Note: including file: ' "$tmpdepfile"
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
-  # The first sed program below extracts the file names and escapes
-  # backslashes for cygpath.  The second sed program outputs the file
-  # name when reading, but also accumulates all include files in the
-  # hold buffer in order to output them again at the end.  This only
-  # works with sed implementations that can handle large buffers.
-  sed < "$tmpdepfile" -n '
-/^Note: including file:  *\(.*\)/ {
-  s//\1/
-  s/\\/\\\\/g
-  p
-}' | $cygpath_u | sort -u | sed -n '
-s/ /\\ /g
-s/\(.*\)/'"$tab"'\1 \\/p
-s/.\(.*\) \\/\1:/
-H
-$ {
-  s/.*/'"$tab"'/
-  G
-  p
-}' >> "$depfile"
-  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
-  rm -f "$tmpdepfile"
-  ;;
-
-msvc7msys)
-  # This case exists only to let depend.m4 do its work.  It works by
-  # looking at the text of this script.  This case will never be run,
-  # since it is checked for above.
-  exit 1
-  ;;
-
-#nosideeffect)
-  # This comment above is used by automake to tell side-effect
-  # dependency tracking mechanisms from slower ones.
-
-dashmstdout)
-  # Important note: in order to support this mode, a compiler *must*
-  # always write the preprocessed file to stdout, regardless of -o.
-  "$@" || exit $?
-
-  # Remove the call to Libtool.
-  if test "$libtool" = yes; then
-    while test "X$1" != 'X--mode=compile'; do
-      shift
-    done
-    shift
-  fi
-
-  # Remove '-o $object'.
-  IFS=" "
-  for arg
-  do
-    case $arg in
-    -o)
-      shift
-      ;;
-    $object)
-      shift
-      ;;
-    *)
-      set fnord "$@" "$arg"
-      shift # fnord
-      shift # $arg
-      ;;
-    esac
-  done
-
-  test -z "$dashmflag" && dashmflag=-M
-  # Require at least two characters before searching for ':'
-  # in the target name.  This is to cope with DOS-style filenames:
-  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
-  "$@" $dashmflag |
-    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
-  rm -f "$depfile"
-  cat < "$tmpdepfile" > "$depfile"
-  # Some versions of the HPUX 10.20 sed can't process this sed invocation
-  # correctly.  Breaking it into two sed invocations is a workaround.
-  tr ' ' "$nl" < "$tmpdepfile" \
-    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
-    | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-dashXmstdout)
-  # This case only exists to satisfy depend.m4.  It is never actually
-  # run, as this mode is specially recognized in the preamble.
-  exit 1
-  ;;
-
-makedepend)
-  "$@" || exit $?
-  # Remove any Libtool call
-  if test "$libtool" = yes; then
-    while test "X$1" != 'X--mode=compile'; do
-      shift
-    done
-    shift
-  fi
-  # X makedepend
-  shift
-  cleared=no eat=no
-  for arg
-  do
-    case $cleared in
-    no)
-      set ""; shift
-      cleared=yes ;;
-    esac
-    if test $eat = yes; then
-      eat=no
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-    fi
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-    -D*|-I*)
-      set fnord "$@" "$arg"; shift ;;
-    # Strip any option that makedepend may not understand.  Remove
-    # the object too, otherwise makedepend will parse it as a source file.
-    -arch)
-      eat=yes ;;
-    -*|$object)
-      ;;
-    *)
-      set fnord "$@" "$arg"; shift ;;
-    esac
-  done
-  obj_suffix=`echo "$object" | sed 's/^.*\././'`
-  touch "$tmpdepfile"
-  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
-  rm -f "$depfile"
-  # makedepend may prepend the VPATH from the source file name to the object.
-  # No need to regex-escape $object, excess matching of '.' is harmless.
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-  # Some versions of the HPUX 10.20 sed can't process the last invocation
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-  sed '1,2d' "$tmpdepfile" \
-    | tr ' ' "$nl" \
-    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
-    | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile" "$tmpdepfile".bak
-  ;;
-
-cpp)
-  # Important note: in order to support this mode, a compiler *must*
-  # always write the preprocessed file to stdout.
-  "$@" || exit $?
-
-  # Remove the call to Libtool.
-  if test "$libtool" = yes; then
-    while test "X$1" != 'X--mode=compile'; do
-      shift
-    done
-    shift
-  fi
-
-  # Remove '-o $object'.
-  IFS=" "
-  for arg
-  do
-    case $arg in
-    -o)
-      shift
-      ;;
-    $object)
-      shift
-      ;;
-    *)
-      set fnord "$@" "$arg"
-      shift # fnord
-      shift # $arg
-      ;;
-    esac
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-
-  "$@" -E \
-    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-    | sed '$ s: \\$::' > "$tmpdepfile"
-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
-  cat < "$tmpdepfile" >> "$depfile"
-  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-msvisualcpp)
-  # Important note: in order to support this mode, a compiler *must*
-  # always write the preprocessed file to stdout.
-  "$@" || exit $?
-
-  # Remove the call to Libtool.
-  if test "$libtool" = yes; then
-    while test "X$1" != 'X--mode=compile'; do
-      shift
-    done
-    shift
-  fi
-
-  IFS=" "
-  for arg
-  do
-    case "$arg" in
-    -o)
-      shift
-      ;;
-    $object)
-      shift
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-    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
-        set fnord "$@"
-        shift
-        shift
-        ;;
-    *)
-        set fnord "$@" "$arg"
-        shift
-        shift
-        ;;
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-  done
-  "$@" -E 2>/dev/null |
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-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
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-  echo "$tab" >> "$depfile"
-  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-msvcmsys)
-  # This case exists only to let depend.m4 do its work.  It works by
-  # looking at the text of this script.  This case will never be run,
-  # since it is checked for above.
-  exit 1
-  ;;
-
-none)
-  exec "$@"
-  ;;
-
-*)
-  echo "Unknown depmode $depmode" 1>&2
-  exit 1
-  ;;
-esac
-
-exit 0
-
-# Local Variables:
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-# sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "; # UTC"
-# End:

events.cpp

@@ -1,239 +0,0 @@
-#include <cerrno>
-#include "ocelot.h"
-#include "config.h"
-#include "db.h"
-#include "worker.h"
-#include "schedule.h"
-#include "response.h"
-#include "events.h"
-
-// Define the connection mother (first half) and connection middlemen (second half)
-
-//TODO Better errors
-
-//---------- Connection mother - spawns middlemen and lets them deal with the connection
-
-connection_mother::connection_mother(config * conf, worker * worker_obj, mysql * db_obj, site_comm * sc_obj, schedule * sched) : work(worker_obj), db(db_obj) {
-	// Handle config stuff first
-	load_config(conf);
-
-	listen_socket = create_listen_socket();
-
-	listen_event.set<connection_mother, &connection_mother::handle_connect>(this);
-	listen_event.start(listen_socket, ev::READ);
-	// Create libev timer
-	schedule_event.set<schedule, &schedule::handle>(sched);
-	schedule_event.start(sched->schedule_interval, sched->schedule_interval); // After interval, every interval
-}
-
-void connection_mother::load_config(config * conf) {
-	listen_port = conf->get_uint("listen_port");
-	max_connections = conf->get_uint("max_connections");
-	max_middlemen = conf->get_uint("max_middlemen");
-	connection_timeout = conf->get_uint("connection_timeout");
-	keepalive_timeout = conf->get_uint("keepalive_timeout");
-	max_read_buffer = conf->get_uint("max_read_buffer");
-	max_request_size = conf->get_uint("max_request_size");
-}
-
-void connection_mother::reload_config(config * conf) {
-	unsigned int old_listen_port = listen_port;
-	unsigned int old_max_connections = max_connections;
-	load_config(conf);
-	if (old_listen_port != listen_port) {
-		std::cout << "Changing listen port from " << old_listen_port << " to " << listen_port << std::endl;
-		int new_listen_socket = create_listen_socket();
-		if (new_listen_socket != 0) {
-			listen_event.stop();
-			listen_event.start(new_listen_socket, ev::READ);
-			close(listen_socket);
-			listen_socket = new_listen_socket;
-		} else {
-			std::cout << "Couldn't create new listen socket when reloading config" << std::endl;
-		}
-	} else if (old_max_connections != max_connections) {
-		listen(listen_socket, max_connections);
-	}
-}
-
-int connection_mother::create_listen_socket() {
-	sockaddr_in address;
-	memset(&address, 0, sizeof(address));
-	int new_listen_socket = socket(AF_INET, SOCK_STREAM, 0);
-
-	// Stop old sockets from hogging the port
-	int yes = 1;
-	if (setsockopt(new_listen_socket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) {
-		std::cout << "Could not reuse socket: " << strerror(errno) << std::endl;
-		return 0;
-	}
-
-	// Get ready to bind
-	address.sin_family = AF_INET;
-	//address.sin_addr.s_addr = inet_addr(conf->host.c_str()); // htonl(INADDR_ANY)
-	address.sin_addr.s_addr = htonl(INADDR_ANY);
-	address.sin_port = htons(listen_port);
-
-	// Bind
-	if (bind(new_listen_socket, (sockaddr *) &address, sizeof(address)) == -1) {
-		std::cout << "Bind failed: " << strerror(errno) << std::endl;
-		return 0;
-	}
-
-	// Listen
-	if (listen(new_listen_socket, max_connections) == -1) {
-		std::cout << "Listen failed: " << strerror(errno) << std::endl;
-		return 0;
-	}
-
-	// Set non-blocking
-	int flags = fcntl(new_listen_socket, F_GETFL);
-	if (flags == -1) {
-		std::cout << "Could not get socket flags: " << strerror(errno) << std::endl;
-		return 0;
-	}
-	if (fcntl(new_listen_socket, F_SETFL, flags | O_NONBLOCK) == -1) {
-		std::cout << "Could not set non-blocking: " << strerror(errno) << std::endl;
-		return 0;
-	}
-
-	return new_listen_socket;
-}
-
-void connection_mother::run() {
-	std::cout << "Sockets up on port " << listen_port << ", starting event loop!" << std::endl;
-	ev_loop(ev_default_loop(0), 0);
-}
-
-void connection_mother::handle_connect(ev::io &watcher, int events_flags) {
-	// Spawn a new middleman
-	if (stats.open_connections < max_middlemen) {
-		stats.opened_connections++;
-		stats.open_connections++;
-		new connection_middleman(listen_socket, work, this);
-	}
-}
-
-connection_mother::~connection_mother()
-{
-	close(listen_socket);
-}
-
-
-
-
-
-
-
-//---------- Connection middlemen - these little guys live until their connection is closed
-
-connection_middleman::connection_middleman(int &listen_socket, worker * new_work, connection_mother * mother_arg) :
-	written(0), mother(mother_arg), work(new_work)
-{
-	connect_sock = accept(listen_socket, NULL, NULL);
-	if (connect_sock == -1) {
-		std::cout << "Accept failed, errno " << errno << ": " << strerror(errno) << std::endl;
-		delete this;
-		return;
-	}
-
-	// Set non-blocking
-	int flags = fcntl(connect_sock, F_GETFL);
-	if (flags == -1) {
-		std::cout << "Could not get connect socket flags" << std::endl;
-	}
-	if (fcntl(connect_sock, F_SETFL, flags | O_NONBLOCK) == -1) {
-		std::cout << "Could not set non-blocking" << std::endl;
-	}
-
-	// Get their info
-	request.reserve(mother->max_read_buffer);
-	written = 0;
-
-	read_event.set<connection_middleman, &connection_middleman::handle_read>(this);
-	read_event.start(connect_sock, ev::READ);
-
-	// Let the socket timeout in timeout_interval seconds
-	timeout_event.set<connection_middleman, &connection_middleman::handle_timeout>(this);
-	timeout_event.set(mother->connection_timeout, mother->keepalive_timeout);
-	timeout_event.start();
-}
-
-connection_middleman::~connection_middleman() {
-	close(connect_sock);
-	stats.open_connections--;
-}
-
-// Handler to read data from the socket, called by event loop when socket is readable
-void connection_middleman::handle_read(ev::io &watcher, int events_flags) {
-	char buffer[mother->max_read_buffer + 1];
-	memset(buffer, 0, mother->max_read_buffer + 1);
-	int ret = recv(connect_sock, &buffer, mother->max_read_buffer, 0);
-
-	if (ret <= 0) {
-		delete this;
-		return;
-	}
-	stats.bytes_read += ret;
-	request.append(buffer, ret);
-	size_t request_size = request.size();
-	if (request_size > mother->max_request_size || (request_size >= 4 && request.compare(request_size - 4, std::string::npos, "\r\n\r\n") == 0)) {
-		stats.requests++;
-		read_event.stop();
-		client_opts.gzip = false;
-		client_opts.html = false;
-		client_opts.http_close = true;
-
-		if (request_size > mother->max_request_size) {
-			shutdown(connect_sock, SHUT_RD);
-			response = error("GET string too long", client_opts);
-		} else {
-			char ip[INET_ADDRSTRLEN];
-			sockaddr_in client_addr;
-			socklen_t addr_len = sizeof(client_addr);
-			getpeername(connect_sock, (sockaddr *) &client_addr, &addr_len);
-			inet_ntop(AF_INET, &(client_addr.sin_addr), ip, INET_ADDRSTRLEN);
-			std::string ip_str = ip;
-
-			//--- CALL WORKER
-			response = work->work(request, ip_str, client_opts);
-			request.clear();
-			request_size = 0;
-		}
-
-		// Find out when the socket is writeable.
-		// The loop in connection_mother will call handle_write when it is.
-		write_event.set<connection_middleman, &connection_middleman::handle_write>(this);
-		write_event.start(connect_sock, ev::WRITE);
-	}
-}
-
-// Handler to write data to the socket, called by event loop when socket is writeable
-void connection_middleman::handle_write(ev::io &watcher, int events_flags) {
-	int ret = send(connect_sock, response.c_str()+written, response.size()-written, MSG_NOSIGNAL);
-	if (ret == -1) {
-		return;
-	}
-	stats.bytes_written += ret;
-	written += ret;
-	if (written == response.size()) {
-		write_event.stop();
-		if (client_opts.http_close) {
-			timeout_event.stop();
-			delete this;
-			return;
-		}
-		timeout_event.again();
-		read_event.start();
-		response.clear();
-		written = 0;
-	}
-}
-
-// After a middleman has been alive for timout_interval seconds, this is called
-void connection_middleman::handle_timeout(ev::timer &watcher, int events_flags) {
-	timeout_event.stop();
-	read_event.stop();
-	write_event.stop();
-	delete this;
-}

events.h

@@ -1,103 +0,0 @@
-#include <iostream>
-#include <string>
-#include <cstring>
-
-// libev
-#include <ev++.h>
-
-// Sockets
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "config.h"
-#include "worker.h"
-#include "schedule.h"
-#include "db.h"
-#include "site_comm.h"
-
-/*
-TODO find out what these do
-#include <netinet/in.h>
-#include <netdb.h>
-#include <sys/types.h>
-*/
-
-
-
-
-
-/*
-We have three classes - the mother, the middlemen, and the worker
-THE MOTHER
-	The mother is called when a client opens a connection to the server.
-	It creates a middleman for every new connection, which will be called
-	when its socket is ready for reading.
-THE MIDDLEMEN
-	Each middleman hang around until data is written to its socket. It then
-	reads the data and sends it to the worker. When it gets the response, it
-	gets called to write its data back to the client.
-THE WORKER
-	The worker gets data from the middleman, and returns the response. It
-	doesn't concern itself with silly things like sockets.
-
-	see worker.h for the worker.
-*/
-
-
-
-
-// THE MOTHER - Spawns connection middlemen
-class connection_mother {
-	private:
-		void load_config(config * conf);
-		unsigned int listen_port;
-		unsigned int max_connections;
-
-		int listen_socket;
-		worker * work;
-		mysql * db;
-		ev::io listen_event;
-		ev::timer schedule_event;
-
-	public:
-		connection_mother(config * conf, worker * worker_obj, mysql * db_obj, site_comm * sc_obj, schedule * sched_obj);
-		~connection_mother();
-		void reload_config(config * conf);
-		int create_listen_socket();
-		void run();
-		void handle_connect(ev::io &watcher, int events_flags);
-
-		unsigned int max_middlemen;
-		unsigned int connection_timeout;
-		unsigned int keepalive_timeout;
-		unsigned int max_read_buffer;
-		unsigned int max_request_size;
-};
-
-// THE MIDDLEMAN
-// Created by connection_mother
-// Add their own watchers to see when sockets become readable
-class connection_middleman {
-	private:
-		int connect_sock;
-		client_opts_t client_opts;
-		unsigned int written;
-		ev::io read_event;
-		ev::io write_event;
-		ev::timer timeout_event;
-		std::string request;
-		std::string response;
-
-		connection_mother * mother;
-		worker * work;
-
-	public:
-		connection_middleman(int &listen_socket, worker* work, connection_mother * mother_arg);
-		~connection_middleman();
-
-		void handle_read(ev::io &watcher, int events_flags);
-		void handle_write(ev::io &watcher, int events_flags);
-		void handle_timeout(ev::timer &watcher, int events_flags);
-};

gazelle.sql

@@ -0,0 +1,176 @@
+SET FOREIGN_KEY_CHECKS = 0;
+
+CREATE DATABASE gazelle CHARACTER SET utf8 COLLATE utf8_swedish_ci;
+
+USE gazelle;
+
+CREATE TABLE `torrents` (
+  `ID` int(10) NOT NULL AUTO_INCREMENT,
+  `GroupID` int(10) NOT NULL,
+  `UserID` int(10) DEFAULT NULL,
+  `Media` varchar(20) DEFAULT NULL,
+  `Format` varchar(10) DEFAULT NULL,
+  `Encoding` varchar(15) DEFAULT NULL,
+  `Remastered` enum('0','1') NOT NULL DEFAULT '0',
+  `RemasterYear` int(4) DEFAULT NULL,
+  `RemasterTitle` varchar(80) NOT NULL DEFAULT '',
+  `RemasterCatalogueNumber` varchar(80) NOT NULL DEFAULT '',
+  `RemasterRecordLabel` varchar(80) NOT NULL DEFAULT '',
+  `Scene` enum('0','1') NOT NULL DEFAULT '0',
+  `HasLog` enum('0','1') NOT NULL DEFAULT '0',
+  `HasCue` enum('0','1') NOT NULL DEFAULT '0',
+  `HasLogDB` enum('0','1') NOT NULL DEFAULT '0',
+  `LogScore` int(6) NOT NULL DEFAULT '0',
+  `LogChecksum` enum('0','1') NOT NULL DEFAULT '1',
+  `info_hash` blob NOT NULL,
+  `FileCount` int(6) NOT NULL,
+  `FileList` mediumtext NOT NULL,
+  `FilePath` varchar(255) NOT NULL DEFAULT '',
+  `Size` bigint(12) NOT NULL,
+  `Leechers` int(6) NOT NULL DEFAULT '0',
+  `Seeders` int(6) NOT NULL DEFAULT '0',
+  `last_action` datetime NOT NULL DEFAULT '1000-01-01 00:00:00',
+  `FreeTorrent` enum('0','1','2') NOT NULL DEFAULT '0',
+  `FreeLeechType` enum('0','1','2','3','4','5','6','7') NOT NULL DEFAULT '0',
+  `Time` datetime NOT NULL DEFAULT '1000-01-01 00:00:00',
+  `Description` text,
+  `Snatched` int(10) unsigned NOT NULL DEFAULT '0',
+  `balance` bigint(20) NOT NULL DEFAULT '0',
+  `LastReseedRequest` datetime NOT NULL DEFAULT '1000-01-01 00:00:00',
+  `TranscodedFrom` int(10) NOT NULL DEFAULT '0',
+  PRIMARY KEY (`ID`),
+  UNIQUE KEY `InfoHash` (`info_hash`(40)),
+  KEY `GroupID` (`GroupID`),
+  KEY `UserID` (`UserID`),
+  KEY `Media` (`Media`),
+  KEY `Format` (`Format`),
+  KEY `Encoding` (`Encoding`),
+  KEY `Year` (`RemasterYear`),
+  KEY `FileCount` (`FileCount`),
+  KEY `Size` (`Size`),
+  KEY `Seeders` (`Seeders`),
+  KEY `Leechers` (`Leechers`),
+  KEY `Snatched` (`Snatched`),
+  KEY `last_action` (`last_action`),
+  KEY `Time` (`Time`),
+  KEY `FreeTorrent` (`FreeTorrent`)
+) ENGINE=InnoDB CHARSET utf8;
+
+CREATE TABLE `users_freeleeches` (
+  `UserID` int(10) NOT NULL,
+  `TorrentID` int(10) NOT NULL,
+  `Time` datetime NOT NULL,
+  `Expired` tinyint(1) NOT NULL DEFAULT '0',
+  `Downloaded` bigint(20) NOT NULL DEFAULT '0',
+  `Uses` int(10) NOT NULL DEFAULT '1',
+  PRIMARY KEY (`UserID`,`TorrentID`),
+  KEY `Time` (`Time`),
+  KEY `Expired_Time` (`Expired`,`Time`)
+) ENGINE=InnoDB CHARSET utf8;
+
+CREATE TABLE `users_geodistribution` (
+  `Code` varchar(2) NOT NULL,
+  `Users` int(10) NOT NULL
+) ENGINE=InnoDB CHARSET utf8;
+
+CREATE TABLE `users_history_emails` (
+  `UserID` int(10) NOT NULL,
+  `Email` varchar(255) DEFAULT NULL,
+  `Time` datetime DEFAULT NULL,
+  `IP` varchar(15) DEFAULT NULL,
+  KEY `UserID` (`UserID`)
+) ENGINE=InnoDB CHARSET utf8;
+
+CREATE TABLE `users_main` (
+  `ID` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `Username` varchar(20) NOT NULL,
+  `Email` varchar(255) NOT NULL,
+  `PassHash` varchar(60) NOT NULL,
+  `Secret` char(32) NOT NULL,
+  `IRCKey` char(32) DEFAULT NULL,
+  `LastLogin` datetime NOT NULL DEFAULT '1000-01-01 00:00:00',
+  `LastAccess` datetime NOT NULL DEFAULT '1000-01-01 00:00:00',
+  `IP` varchar(15) NOT NULL DEFAULT '0.0.0.0',
+  `Class` tinyint(2) NOT NULL DEFAULT '5',
+  `Uploaded` bigint(20) unsigned NOT NULL DEFAULT '0',
+  `Downloaded` bigint(20) unsigned NOT NULL DEFAULT '0',
+  `BonusPoints` float(20, 5) NOT NULL DEFAULT '0',
+  `Title` text NOT NULL,
+  `Enabled` enum('0','1','2') NOT NULL DEFAULT '0',
+  `Paranoia` text,
+  `Visible` enum('1','0') NOT NULL DEFAULT '1',
+  `Invites` int(10) unsigned NOT NULL DEFAULT '0',
+  `PermissionID` int(10) unsigned NOT NULL,
+  `CustomPermissions` text,
+  `can_leech` tinyint(4) NOT NULL DEFAULT '1',
+  `torrent_pass` char(32) NOT NULL,
+  `RequiredRatio` double(10,8) NOT NULL DEFAULT '0.00000000',
+  `RequiredRatioWork` double(10,8) NOT NULL DEFAULT '0.00000000',
+  `ipcc` varchar(2) NOT NULL DEFAULT '',
+  `FLTokens` int(10) NOT NULL DEFAULT '0',
+  `FLT_Given` int(10) NOT NULL DEFAULT '0',
+  `Invites_Given` int(10) NOT NULL DEFAULT '0',
+  `2FA_Key` VARCHAR(16),
+  `Recovery` text,
+  PRIMARY KEY (`ID`),
+  UNIQUE KEY `Username` (`Username`),
+  KEY `Email` (`Email`),
+  KEY `PassHash` (`PassHash`),
+  KEY `LastAccess` (`LastAccess`),
+  KEY `IP` (`IP`),
+  KEY `Class` (`Class`),
+  KEY `Uploaded` (`Uploaded`),
+  KEY `Downloaded` (`Downloaded`),
+  KEY `Enabled` (`Enabled`),
+  KEY `Invites` (`Invites`),
+  KEY `torrent_pass` (`torrent_pass`),
+  KEY `RequiredRatio` (`RequiredRatio`),
+  KEY `cc_index` (`ipcc`),
+  KEY `PermissionID` (`PermissionID`)
+) ENGINE=InnoDB CHARSET utf8;
+
+CREATE TABLE `xbt_client_whitelist` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `peer_id` varchar(20) DEFAULT NULL,
+  `vstring` varchar(200) DEFAULT '',
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `peer_id` (`peer_id`)
+) ENGINE=InnoDB CHARSET utf8;
+
+CREATE TABLE `xbt_files_users` (
+  `uid` int(11) NOT NULL,
+  `active` tinyint(1) NOT NULL DEFAULT '1',
+  `announced` int(11) NOT NULL DEFAULT '0',
+  `completed` tinyint(1) NOT NULL DEFAULT '0',
+  `downloaded` bigint(20) NOT NULL DEFAULT '0',
+  `remaining` bigint(20) NOT NULL DEFAULT '0',
+  `uploaded` bigint(20) NOT NULL DEFAULT '0',
+  `upspeed` int(10) unsigned NOT NULL DEFAULT '0',
+  `downspeed` int(10) unsigned NOT NULL DEFAULT '0',
+  `corrupt` bigint(20) NOT NULL DEFAULT '0',
+  `timespent` int(10) unsigned NOT NULL DEFAULT '0',
+  `useragent` varchar(51) NOT NULL DEFAULT '',
+  `connectable` tinyint(4) NOT NULL DEFAULT '1',
+  `peer_id` binary(20) NOT NULL DEFAULT '\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0',
+  `fid` int(11) NOT NULL,
+  `mtime` int(11) NOT NULL DEFAULT '0',
+  `ip` varchar(15) NOT NULL DEFAULT '',
+  PRIMARY KEY (`peer_id`,`fid`,`uid`),
+  KEY `remaining_idx` (`remaining`),
+  KEY `fid_idx` (`fid`),
+  KEY `mtime_idx` (`mtime`),
+  KEY `uid_active` (`uid`,`active`)
+) ENGINE=InnoDB CHARSET utf8;
+
+CREATE TABLE `xbt_snatched` (
+  `uid` int(11) NOT NULL DEFAULT '0',
+  `tstamp` int(11) NOT NULL,
+  `fid` int(11) NOT NULL,
+  `IP` varchar(15) NOT NULL,
+  `seedtime` int(11) NOT NULL DEFAULT '0',
+  KEY `fid` (`fid`),
+  KEY `tstamp` (`tstamp`),
+  KEY `uid_tstamp` (`uid`,`tstamp`)
+) ENGINE=InnoDB CHARSET utf8;
+
+SET FOREIGN_KEY_CHECKS = 1;

install-sh

@@ -1,527 +0,0 @@
-#!/bin/sh
-# install - install a program, script, or datafile
-
-scriptversion=2011-11-20.07; # UTC
-
-# This originates from X11R5 (mit/util/scripts/install.sh), which was
-# later released in X11R6 (xc/config/util/install.sh) with the
-# following copyright and license.
-#
-# Copyright (C) 1994 X Consortium
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to
-# deal in the Software without restriction, including without limitation the
-# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-# sell copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
-# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#
-# Except as contained in this notice, the name of the X Consortium shall not
-# be used in advertising or otherwise to promote the sale, use or other deal-
-# ings in this Software without prior written authorization from the X Consor-
-# tium.
-#
-#
-# FSF changes to this file are in the public domain.
-#
-# Calling this script install-sh is preferred over install.sh, to prevent
-# 'make' implicit rules from creating a file called install from it
-# when there is no Makefile.
-#
-# This script is compatible with the BSD install script, but was written
-# from scratch.
-
-nl='
-'
-IFS=" ""	$nl"
-
-# set DOITPROG to echo to test this script
-
-# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit=${DOITPROG-}
-if test -z "$doit"; then
-  doit_exec=exec
-else
-  doit_exec=$doit
-fi
-
-# Put in absolute file names if you don't have them in your path;
-# or use environment vars.
-
-chgrpprog=${CHGRPPROG-chgrp}
-chmodprog=${CHMODPROG-chmod}
-chownprog=${CHOWNPROG-chown}
-cmpprog=${CMPPROG-cmp}
-cpprog=${CPPROG-cp}
-mkdirprog=${MKDIRPROG-mkdir}
-mvprog=${MVPROG-mv}
-rmprog=${RMPROG-rm}
-stripprog=${STRIPPROG-strip}
-
-posix_glob='?'
-initialize_posix_glob='
-  test "$posix_glob" != "?" || {
-    if (set -f) 2>/dev/null; then
-      posix_glob=
-    else
-      posix_glob=:
-    fi
-  }
-'
-
-posix_mkdir=
-
-# Desired mode of installed file.
-mode=0755
-
-chgrpcmd=
-chmodcmd=$chmodprog
-chowncmd=
-mvcmd=$mvprog
-rmcmd="$rmprog -f"
-stripcmd=
-
-src=
-dst=
-dir_arg=
-dst_arg=
-
-copy_on_change=false
-no_target_directory=
-
-usage="\
-Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
-   or: $0 [OPTION]... SRCFILES... DIRECTORY
-   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
-   or: $0 [OPTION]... -d DIRECTORIES...
-
-In the 1st form, copy SRCFILE to DSTFILE.
-In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
-In the 4th, create DIRECTORIES.
-
-Options:
-     --help     display this help and exit.
-     --version  display version info and exit.
-
-  -c            (ignored)
-  -C            install only if different (preserve the last data modification time)
-  -d            create directories instead of installing files.
-  -g GROUP      $chgrpprog installed files to GROUP.
-  -m MODE       $chmodprog installed files to MODE.
-  -o USER       $chownprog installed files to USER.
-  -s            $stripprog installed files.
-  -t DIRECTORY  install into DIRECTORY.
-  -T            report an error if DSTFILE is a directory.
-
-Environment variables override the default commands:
-  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
-  RMPROG STRIPPROG
-"
-
-while test $# -ne 0; do
-  case $1 in
-    -c) ;;
-
-    -C) copy_on_change=true;;
-
-    -d) dir_arg=true;;
-
-    -g) chgrpcmd="$chgrpprog $2"
-	shift;;
-
-    --help) echo "$usage"; exit $?;;
-
-    -m) mode=$2
-	case $mode in
-	  *' '* | *'	'* | *'
-'*	  | *'*'* | *'?'* | *'['*)
-	    echo "$0: invalid mode: $mode" >&2
-	    exit 1;;
-	esac
-	shift;;
-
-    -o) chowncmd="$chownprog $2"
-	shift;;
-
-    -s) stripcmd=$stripprog;;
-
-    -t) dst_arg=$2
-	# Protect names problematic for 'test' and other utilities.
-	case $dst_arg in
-	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
-	esac
-	shift;;
-
-    -T) no_target_directory=true;;
-
-    --version) echo "$0 $scriptversion"; exit $?;;
-
-    --)	shift
-	break;;
-
-    -*)	echo "$0: invalid option: $1" >&2
-	exit 1;;
-
-    *)  break;;
-  esac
-  shift
-done
-
-if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
-  # When -d is used, all remaining arguments are directories to create.
-  # When -t is used, the destination is already specified.
-  # Otherwise, the last argument is the destination.  Remove it from $@.
-  for arg
-  do
-    if test -n "$dst_arg"; then
-      # $@ is not empty: it contains at least $arg.
-      set fnord "$@" "$dst_arg"
-      shift # fnord
-    fi
-    shift # arg
-    dst_arg=$arg
-    # Protect names problematic for 'test' and other utilities.
-    case $dst_arg in
-      -* | [=\(\)!]) dst_arg=./$dst_arg;;
-    esac
-  done
-fi
-
-if test $# -eq 0; then
-  if test -z "$dir_arg"; then
-    echo "$0: no input file specified." >&2
-    exit 1
-  fi
-  # It's OK to call 'install-sh -d' without argument.
-  # This can happen when creating conditional directories.
-  exit 0
-fi
-
-if test -z "$dir_arg"; then
-  do_exit='(exit $ret); exit $ret'
-  trap "ret=129; $do_exit" 1
-  trap "ret=130; $do_exit" 2
-  trap "ret=141; $do_exit" 13
-  trap "ret=143; $do_exit" 15
-
-  # Set umask so as not to create temps with too-generous modes.
-  # However, 'strip' requires both read and write access to temps.
-  case $mode in
-    # Optimize common cases.
-    *644) cp_umask=133;;
-    *755) cp_umask=22;;
-
-    *[0-7])
-      if test -z "$stripcmd"; then
-	u_plus_rw=
-      else
-	u_plus_rw='% 200'
-      fi
-      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
-    *)
-      if test -z "$stripcmd"; then
-	u_plus_rw=
-      else
-	u_plus_rw=,u+rw
-      fi
-      cp_umask=$mode$u_plus_rw;;
-  esac
-fi
-
-for src
-do
-  # Protect names problematic for 'test' and other utilities.
-  case $src in
-    -* | [=\(\)!]) src=./$src;;
-  esac
-
-  if test -n "$dir_arg"; then
-    dst=$src
-    dstdir=$dst
-    test -d "$dstdir"
-    dstdir_status=$?
-  else
-
-    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
-    # might cause directories to be created, which would be especially bad
-    # if $src (and thus $dsttmp) contains '*'.
-    if test ! -f "$src" && test ! -d "$src"; then
-      echo "$0: $src does not exist." >&2
-      exit 1
-    fi
-
-    if test -z "$dst_arg"; then
-      echo "$0: no destination specified." >&2
-      exit 1
-    fi
-    dst=$dst_arg
-
-    # If destination is a directory, append the input filename; won't work
-    # if double slashes aren't ignored.
-    if test -d "$dst"; then
-      if test -n "$no_target_directory"; then
-	echo "$0: $dst_arg: Is a directory" >&2
-	exit 1
-      fi
-      dstdir=$dst
-      dst=$dstdir/`basename "$src"`
-      dstdir_status=0
-    else
-      # Prefer dirname, but fall back on a substitute if dirname fails.
-      dstdir=`
-	(dirname "$dst") 2>/dev/null ||
-	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	     X"$dst" : 'X\(//\)[^/]' \| \
-	     X"$dst" : 'X\(//\)$' \| \
-	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
-	echo X"$dst" |
-	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\/\)[^/].*/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\/\)$/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\).*/{
-		   s//\1/
-		   q
-		 }
-		 s/.*/./; q'
-      `
-
-      test -d "$dstdir"
-      dstdir_status=$?
-    fi
-  fi
-
-  obsolete_mkdir_used=false
-
-  if test $dstdir_status != 0; then
-    case $posix_mkdir in
-      '')
-	# Create intermediate dirs using mode 755 as modified by the umask.
-	# This is like FreeBSD 'install' as of 1997-10-28.
-	umask=`umask`
-	case $stripcmd.$umask in
-	  # Optimize common cases.
-	  *[2367][2367]) mkdir_umask=$umask;;
-	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
-
-	  *[0-7])
-	    mkdir_umask=`expr $umask + 22 \
-	      - $umask % 100 % 40 + $umask % 20 \
-	      - $umask % 10 % 4 + $umask % 2
-	    `;;
-	  *) mkdir_umask=$umask,go-w;;
-	esac
-
-	# With -d, create the new directory with the user-specified mode.
-	# Otherwise, rely on $mkdir_umask.
-	if test -n "$dir_arg"; then
-	  mkdir_mode=-m$mode
-	else
-	  mkdir_mode=
-	fi
-
-	posix_mkdir=false
-	case $umask in
-	  *[123567][0-7][0-7])
-	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
-	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
-	    ;;
-	  *)
-	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
-	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
-
-	    if (umask $mkdir_umask &&
-		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
-	    then
-	      if test -z "$dir_arg" || {
-		   # Check for POSIX incompatibilities with -m.
-		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
-		   # other-writable bit of parent directory when it shouldn't.
-		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
-		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
-		   case $ls_ld_tmpdir in
-		     d????-?r-*) different_mode=700;;
-		     d????-?--*) different_mode=755;;
-		     *) false;;
-		   esac &&
-		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
-		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
-		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
-		   }
-		 }
-	      then posix_mkdir=:
-	      fi
-	      rmdir "$tmpdir/d" "$tmpdir"
-	    else
-	      # Remove any dirs left behind by ancient mkdir implementations.
-	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
-	    fi
-	    trap '' 0;;
-	esac;;
-    esac
-
-    if
-      $posix_mkdir && (
-	umask $mkdir_umask &&
-	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
-      )
-    then :
-    else
-
-      # The umask is ridiculous, or mkdir does not conform to POSIX,
-      # or it failed possibly due to a race condition.  Create the
-      # directory the slow way, step by step, checking for races as we go.
-
-      case $dstdir in
-	/*) prefix='/';;
-	[-=\(\)!]*) prefix='./';;
-	*)  prefix='';;
-      esac
-
-      eval "$initialize_posix_glob"
-
-      oIFS=$IFS
-      IFS=/
-      $posix_glob set -f
-      set fnord $dstdir
-      shift
-      $posix_glob set +f
-      IFS=$oIFS
-
-      prefixes=
-
-      for d
-      do
-	test X"$d" = X && continue
-
-	prefix=$prefix$d
-	if test -d "$prefix"; then
-	  prefixes=
-	else
-	  if $posix_mkdir; then
-	    (umask=$mkdir_umask &&
-	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
-	    # Don't fail if two instances are running concurrently.
-	    test -d "$prefix" || exit 1
-	  else
-	    case $prefix in
-	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
-	      *) qprefix=$prefix;;
-	    esac
-	    prefixes="$prefixes '$qprefix'"
-	  fi
-	fi
-	prefix=$prefix/
-      done
-
-      if test -n "$prefixes"; then
-	# Don't fail if two instances are running concurrently.
-	(umask $mkdir_umask &&
-	 eval "\$doit_exec \$mkdirprog $prefixes") ||
-	  test -d "$dstdir" || exit 1
-	obsolete_mkdir_used=true
-      fi
-    fi
-  fi
-
-  if test -n "$dir_arg"; then
-    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
-    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
-    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
-      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
-  else
-
-    # Make a couple of temp file names in the proper directory.
-    dsttmp=$dstdir/_inst.$$_
-    rmtmp=$dstdir/_rm.$$_
-
-    # Trap to clean up those temp files at exit.
-    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
-
-    # Copy the file name to the temp name.
-    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
-
-    # and set any options; do chmod last to preserve setuid bits.
-    #
-    # If any of these fail, we abort the whole thing.  If we want to
-    # ignore errors from any of these, just make sure not to ignore
-    # errors from the above "$doit $cpprog $src $dsttmp" command.
-    #
-    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
-    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
-    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
-    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
-
-    # If -C, don't bother to copy if it wouldn't change the file.
-    if $copy_on_change &&
-       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
-       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
-
-       eval "$initialize_posix_glob" &&
-       $posix_glob set -f &&
-       set X $old && old=:$2:$4:$5:$6 &&
-       set X $new && new=:$2:$4:$5:$6 &&
-       $posix_glob set +f &&
-
-       test "$old" = "$new" &&
-       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
-    then
-      rm -f "$dsttmp"
-    else
-      # Rename the file to the real destination.
-      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
-
-      # The rename failed, perhaps because mv can't rename something else
-      # to itself, or perhaps because mv is so ancient that it does not
-      # support -f.
-      {
-	# Now remove or move aside any old file at destination location.
-	# We try this two ways since rm can't unlink itself on some
-	# systems and the destination file might be busy for other
-	# reasons.  In this case, the final cleanup might fail but the new
-	# file should still install successfully.
-	{
-	  test ! -f "$dst" ||
-	  $doit $rmcmd -f "$dst" 2>/dev/null ||
-	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
-	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
-	  } ||
-	  { echo "$0: cannot unlink or rename $dst" >&2
-	    (exit 1); exit 1
-	  }
-	} &&
-
-	# Now rename the file to the real destination.
-	$doit $mvcmd "$dsttmp" "$dst"
-      }
-    fi || exit 1
-
-    trap '' 0
-  fi
-done
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "; # UTC"
-# End:

libs/spdlog/async.h

@@ -0,0 +1,87 @@
+
+//
+// Copyright(c) 2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+//
+// Async logging using global thread pool
+// All loggers created here share same global thread pool.
+// Each log message is pushed to a queue along withe a shared pointer to the
+// logger.
+// If a logger deleted while having pending messages in the queue, it's actual
+// destruction will defer
+// until all its messages are processed by the thread pool.
+// This is because each message in the queue holds a shared_ptr to the
+// originating logger.
+
+#include "spdlog/async_logger.h"
+#include "spdlog/details/registry.h"
+#include "spdlog/details/thread_pool.h"
+
+#include <memory>
+#include <mutex>
+
+namespace spdlog {
+
+namespace details {
+static const size_t default_async_q_size = 8192;
+}
+
+// async logger factory - creates async loggers backed with thread pool.
+// if a global thread pool doesn't already exist, create it with default queue
+// size of 8192 items and single thread.
+template<async_overflow_policy OverflowPolicy = async_overflow_policy::block>
+struct async_factory_impl
+{
+    template<typename Sink, typename... SinkArgs>
+    static std::shared_ptr<async_logger> create(const std::string &logger_name, SinkArgs &&... args)
+    {
+        auto &registry_inst = details::registry::instance();
+
+        // create global thread pool if not already exists..
+        std::lock_guard<std::recursive_mutex> tp_lock(registry_inst.tp_mutex());
+        auto tp = registry_inst.get_tp();
+        if (tp == nullptr)
+        {
+            tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1);
+            registry_inst.set_tp(tp);
+        }
+
+        auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
+        auto new_logger = std::make_shared<async_logger>(logger_name, std::move(sink), std::move(tp), OverflowPolicy);
+        registry_inst.register_and_init(new_logger);
+        return new_logger;
+    }
+};
+
+using async_factory = async_factory_impl<async_overflow_policy::block>;
+using async_factory_nonblock = async_factory_impl<async_overflow_policy::overrun_oldest>;
+
+template<typename Sink, typename... SinkArgs>
+inline std::shared_ptr<spdlog::logger> create_async(const std::string &logger_name, SinkArgs &&... sink_args)
+{
+    return async_factory::create<Sink>(logger_name, std::forward<SinkArgs>(sink_args)...);
+}
+
+template<typename Sink, typename... SinkArgs>
+inline std::shared_ptr<spdlog::logger> create_async_nb(const std::string &logger_name, SinkArgs &&... sink_args)
+{
+    return async_factory_nonblock::create<Sink>(logger_name, std::forward<SinkArgs>(sink_args)...);
+}
+
+// set global thread pool.
+inline void init_thread_pool(size_t q_size, size_t thread_count)
+{
+    auto tp = std::make_shared<details::thread_pool>(q_size, thread_count);
+    details::registry::instance().set_tp(std::move(tp));
+}
+
+// get the global thread pool.
+inline std::shared_ptr<spdlog::details::thread_pool> thread_pool()
+{
+    return details::registry::instance().get_tp();
+}
+} // namespace spdlog

libs/spdlog/async_logger.h

@@ -0,0 +1,73 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// Very fast asynchronous logger (millions of logs per second on an average
+// desktop)
+// Uses pre allocated lockfree queue for maximum throughput even under large
+// number of threads.
+// Creates a single back thread to pop messages from the queue and log them.
+//
+// Upon each log write the logger:
+//    1. Checks if its log level is enough to log the message
+//    2. Push a new copy of the message to a queue (or block the caller until
+//    space is available in the queue)
+//    3. will throw spdlog_ex upon log exceptions
+// Upon destruction, logs all remaining messages in the queue before
+// destructing..
+
+#include "spdlog/common.h"
+#include "spdlog/logger.h"
+
+#include <chrono>
+#include <memory>
+#include <string>
+
+namespace spdlog {
+
+// Async overflow policy - block by default.
+enum class async_overflow_policy
+{
+    block,         // Block until message can be enqueued
+    overrun_oldest // Discard oldest message in the queue if full when trying to
+                   // add new item.
+};
+
+namespace details {
+class thread_pool;
+}
+
+class async_logger final : public std::enable_shared_from_this<async_logger>, public logger
+{
+    friend class details::thread_pool;
+
+public:
+    template<typename It>
+    async_logger(std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp,
+        async_overflow_policy overflow_policy = async_overflow_policy::block);
+
+    async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp,
+        async_overflow_policy overflow_policy = async_overflow_policy::block);
+
+    async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp,
+        async_overflow_policy overflow_policy = async_overflow_policy::block);
+
+    std::shared_ptr<logger> clone(std::string new_name) override;
+
+protected:
+    void sink_it_(details::log_msg &msg) override;
+    void flush_() override;
+
+    void backend_log_(const details::log_msg &incoming_log_msg);
+    void backend_flush_();
+
+private:
+    std::weak_ptr<details::thread_pool> thread_pool_;
+    async_overflow_policy overflow_policy_;
+};
+} // namespace spdlog
+
+#include "spdlog/details/async_logger_impl.h"

libs/spdlog/common.h

@@ -0,0 +1,186 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/tweakme.h"
+
+#include <atomic>
+#include <chrono>
+#include <functional>
+#include <initializer_list>
+#include <memory>
+#include <stdexcept>
+#include <string>
+#include <type_traits>
+#include <unordered_map>
+
+#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
+#include <codecvt>
+#include <locale>
+#endif
+
+#include "spdlog/details/null_mutex.h"
+
+// visual studio upto 2013 does not support noexcept nor constexpr
+#if defined(_MSC_VER) && (_MSC_VER < 1900)
+#define SPDLOG_NOEXCEPT throw()
+#define SPDLOG_CONSTEXPR
+#else
+#define SPDLOG_NOEXCEPT noexcept
+#define SPDLOG_CONSTEXPR constexpr
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+#define SPDLOG_DEPRECATED __attribute__((deprecated))
+#elif defined(_MSC_VER)
+#define SPDLOG_DEPRECATED __declspec(deprecated)
+#else
+#define SPDLOG_DEPRECATED
+#endif
+
+#include "spdlog/fmt/fmt.h"
+
+namespace spdlog {
+
+class formatter;
+
+namespace sinks {
+class sink;
+}
+
+using log_clock = std::chrono::system_clock;
+using sink_ptr = std::shared_ptr<sinks::sink>;
+using sinks_init_list = std::initializer_list<sink_ptr>;
+using log_err_handler = std::function<void(const std::string &err_msg)>;
+
+#if defined(SPDLOG_NO_ATOMIC_LEVELS)
+using level_t = details::null_atomic_int;
+#else
+using level_t = std::atomic<int>;
+#endif
+
+// Log level enum
+namespace level {
+enum level_enum
+{
+    trace = 0,
+    debug = 1,
+    info = 2,
+    warn = 3,
+    err = 4,
+    critical = 5,
+    off = 6
+};
+
+#if !defined(SPDLOG_LEVEL_NAMES)
+#define SPDLOG_LEVEL_NAMES                                                                                                                 \
+    {                                                                                                                                      \
+        "trace", "debug", "info", "warning", "error", "critical", "off"                                                                    \
+    }
+#endif
+static const char *level_names[] SPDLOG_LEVEL_NAMES;
+
+static const char *short_level_names[]{"T", "D", "I", "W", "E", "C", "O"};
+
+inline const char *to_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
+{
+    return level_names[l];
+}
+
+inline const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
+{
+    return short_level_names[l];
+}
+
+inline spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT
+{
+    static std::unordered_map<std::string, level_enum> name_to_level = // map string->level
+        {{level_names[0], level::trace},                               // trace
+            {level_names[1], level::debug},                            // debug
+            {level_names[2], level::info},                             // info
+            {level_names[3], level::warn},                             // warn
+            {level_names[4], level::err},                              // err
+            {level_names[5], level::critical},                         // critical
+            {level_names[6], level::off}};                             // off
+
+    auto lvl_it = name_to_level.find(name);
+    return lvl_it != name_to_level.end() ? lvl_it->second : level::off;
+}
+
+using level_hasher = std::hash<int>;
+} // namespace level
+
+//
+// Pattern time - specific time getting to use for pattern_formatter.
+// local time by default
+//
+enum class pattern_time_type
+{
+    local, // log localtime
+    utc    // log utc
+};
+
+//
+// Log exception
+//
+class spdlog_ex : public std::exception
+{
+public:
+    explicit spdlog_ex(std::string msg)
+        : msg_(std::move(msg))
+    {
+    }
+
+    spdlog_ex(const std::string &msg, int last_errno)
+    {
+        fmt::memory_buffer outbuf;
+        fmt::format_system_error(outbuf, last_errno, msg);
+        msg_ = fmt::to_string(outbuf);
+    }
+
+    const char *what() const SPDLOG_NOEXCEPT override
+    {
+        return msg_.c_str();
+    }
+
+private:
+    std::string msg_;
+};
+
+//
+// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
+//
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+using filename_t = std::wstring;
+#else
+using filename_t = std::string;
+#endif
+
+#define SPDLOG_CATCH_AND_HANDLE                                                                                                            \
+    catch (const std::exception &ex)                                                                                                       \
+    {                                                                                                                                      \
+        err_handler_(ex.what());                                                                                                           \
+    }                                                                                                                                      \
+    catch (...)                                                                                                                            \
+    {                                                                                                                                      \
+        err_handler_("Unknown exeption in logger");                                                                                        \
+    }
+
+namespace details {
+// make_unique support for pre c++14
+
+#if __cplusplus >= 201402L // C++14 and beyond
+using std::make_unique;
+#else
+template<typename T, typename... Args>
+std::unique_ptr<T> make_unique(Args &&... args)
+{
+    static_assert(!std::is_array<T>::value, "arrays not supported");
+    return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+#endif
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/async_logger_impl.h

@@ -0,0 +1,110 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// async logger implementation
+// uses a thread pool to perform the actual logging
+
+#include "spdlog/details/thread_pool.h"
+
+#include <chrono>
+#include <memory>
+#include <string>
+
+template<typename It>
+inline spdlog::async_logger::async_logger(
+    std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
+    : logger(std::move(logger_name), begin, end)
+    , thread_pool_(tp)
+    , overflow_policy_(overflow_policy)
+{
+}
+
+inline spdlog::async_logger::async_logger(
+    std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
+    : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), tp, overflow_policy)
+{
+}
+
+inline spdlog::async_logger::async_logger(
+    std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
+    : async_logger(std::move(logger_name), {single_sink}, tp, overflow_policy)
+{
+}
+
+// send the log message to the thread pool
+inline void spdlog::async_logger::sink_it_(details::log_msg &msg)
+{
+#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
+    incr_msg_counter_(msg);
+#endif
+    if (auto pool_ptr = thread_pool_.lock())
+    {
+        pool_ptr->post_log(shared_from_this(), std::move(msg), overflow_policy_);
+    }
+    else
+    {
+        throw spdlog_ex("async log: thread pool doesn't exist anymore");
+    }
+}
+
+// send flush request to the thread pool
+inline void spdlog::async_logger::flush_()
+{
+    if (auto pool_ptr = thread_pool_.lock())
+    {
+        pool_ptr->post_flush(shared_from_this(), overflow_policy_);
+    }
+    else
+    {
+        throw spdlog_ex("async flush: thread pool doesn't exist anymore");
+    }
+}
+
+//
+// backend functions - called from the thread pool to do the actual job
+//
+inline void spdlog::async_logger::backend_log_(const details::log_msg &incoming_log_msg)
+{
+    try
+    {
+        for (auto &s : sinks_)
+        {
+            if (s->should_log(incoming_log_msg.level))
+            {
+                s->log(incoming_log_msg);
+            }
+        }
+    }
+    SPDLOG_CATCH_AND_HANDLE
+
+    if (should_flush_(incoming_log_msg))
+    {
+        backend_flush_();
+    }
+}
+
+inline void spdlog::async_logger::backend_flush_()
+{
+    try
+    {
+        for (auto &sink : sinks_)
+        {
+            sink->flush();
+        }
+    }
+    SPDLOG_CATCH_AND_HANDLE
+}
+
+inline std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name)
+{
+    auto cloned = std::make_shared<spdlog::async_logger>(std::move(new_name), sinks_.begin(), sinks_.end(), thread_pool_, overflow_policy_);
+
+    cloned->set_level(this->level());
+    cloned->flush_on(this->flush_level());
+    cloned->set_error_handler(this->error_handler());
+    return std::move(cloned);
+}

libs/spdlog/details/circular_q.h

@@ -0,0 +1,72 @@
+//
+// Copyright(c) 2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+// cirucal q view of std::vector.
+#pragma once
+
+#include <vector>
+
+namespace spdlog {
+namespace details {
+template<typename T>
+class circular_q
+{
+public:
+    using item_type = T;
+
+    explicit circular_q(size_t max_items)
+        : max_items_(max_items + 1) // one item is reserved as marker for full q
+        , v_(max_items_)
+    {
+    }
+
+    // push back, overrun (oldest) item if no room left
+    void push_back(T &&item)
+    {
+        v_[tail_] = std::move(item);
+        tail_ = (tail_ + 1) % max_items_;
+
+        if (tail_ == head_) // overrun last item if full
+        {
+            head_ = (head_ + 1) % max_items_;
+            ++overrun_counter_;
+        }
+    }
+
+    // Pop item from front.
+    // If there are no elements in the container, the behavior is undefined.
+    void pop_front(T &popped_item)
+    {
+        popped_item = std::move(v_[head_]);
+        head_ = (head_ + 1) % max_items_;
+    }
+
+    bool empty()
+    {
+        return tail_ == head_;
+    }
+
+    bool full()
+    {
+        // head is ahead of the tail by 1
+        return ((tail_ + 1) % max_items_) == head_;
+    }
+
+    size_t overrun_counter() const
+    {
+        return overrun_counter_;
+    }
+
+private:
+    size_t max_items_;
+    typename std::vector<T>::size_type head_ = 0;
+    typename std::vector<T>::size_type tail_ = 0;
+
+    std::vector<T> v_;
+
+    size_t overrun_counter_ = 0;
+};
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/console_globals.h

@@ -0,0 +1,74 @@
+#pragma once
+//
+// Copyright(c) 2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#include "spdlog/details/null_mutex.h"
+#include <cstdio>
+#include <mutex>
+
+#ifdef _WIN32
+
+#ifndef NOMINMAX
+#define NOMINMAX // prevent windows redefining min/max
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+
+#include <windows.h>
+#endif
+
+namespace spdlog {
+namespace details {
+struct console_stdout
+{
+    static std::FILE *stream()
+    {
+        return stdout;
+    }
+#ifdef _WIN32
+    static HANDLE handle()
+    {
+        return ::GetStdHandle(STD_OUTPUT_HANDLE);
+    }
+#endif
+};
+
+struct console_stderr
+{
+    static std::FILE *stream()
+    {
+        return stderr;
+    }
+#ifdef _WIN32
+    static HANDLE handle()
+    {
+        return ::GetStdHandle(STD_ERROR_HANDLE);
+    }
+#endif
+};
+
+struct console_mutex
+{
+    using mutex_t = std::mutex;
+    static mutex_t &mutex()
+    {
+        static mutex_t s_mutex;
+        return s_mutex;
+    }
+};
+
+struct console_nullmutex
+{
+    using mutex_t = null_mutex;
+    static mutex_t &mutex()
+    {
+        static mutex_t s_mutex;
+        return s_mutex;
+    }
+};
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/file_helper.h

@@ -0,0 +1,152 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// Helper class for file sinks.
+// When failing to open a file, retry several times(5) with a delay interval(10 ms).
+// Throw spdlog_ex exception on errors.
+
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/os.h"
+
+#include <cerrno>
+#include <chrono>
+#include <cstdio>
+#include <string>
+#include <thread>
+#include <tuple>
+
+namespace spdlog {
+namespace details {
+
+class file_helper
+{
+
+public:
+    const int open_tries = 5;
+    const int open_interval = 10;
+
+    explicit file_helper() = default;
+
+    file_helper(const file_helper &) = delete;
+    file_helper &operator=(const file_helper &) = delete;
+
+    ~file_helper()
+    {
+        close();
+    }
+
+    void open(const filename_t &fname, bool truncate = false)
+    {
+        close();
+        auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab");
+        _filename = fname;
+        for (int tries = 0; tries < open_tries; ++tries)
+        {
+            if (!os::fopen_s(&fd_, fname, mode))
+            {
+                return;
+            }
+
+            details::os::sleep_for_millis(open_interval);
+        }
+
+        throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno);
+    }
+
+    void reopen(bool truncate)
+    {
+        if (_filename.empty())
+        {
+            throw spdlog_ex("Failed re opening file - was not opened before");
+        }
+        open(_filename, truncate);
+    }
+
+    void flush()
+    {
+        std::fflush(fd_);
+    }
+
+    void close()
+    {
+        if (fd_ != nullptr)
+        {
+            std::fclose(fd_);
+            fd_ = nullptr;
+        }
+    }
+
+    void write(const fmt::memory_buffer &buf)
+    {
+        size_t msg_size = buf.size();
+        auto data = buf.data();
+        if (std::fwrite(data, 1, msg_size, fd_) != msg_size)
+        {
+            throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno);
+        }
+    }
+
+    size_t size() const
+    {
+        if (fd_ == nullptr)
+        {
+            throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename));
+        }
+        return os::filesize(fd_);
+    }
+
+    const filename_t &filename() const
+    {
+        return _filename;
+    }
+
+    static bool file_exists(const filename_t &fname)
+    {
+        return os::file_exists(fname);
+    }
+
+    //
+    // return file path and its extension:
+    //
+    // "mylog.txt" => ("mylog", ".txt")
+    // "mylog" => ("mylog", "")
+    // "mylog." => ("mylog.", "")
+    // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
+    //
+    // the starting dot in filenames is ignored (hidden files):
+    //
+    // ".mylog" => (".mylog". "")
+    // "my_folder/.mylog" => ("my_folder/.mylog", "")
+    // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
+    static std::tuple<filename_t, filename_t> split_by_extenstion(const spdlog::filename_t &fname)
+    {
+        auto ext_index = fname.rfind('.');
+
+        // no valid extension found - return whole path and empty string as
+        // extension
+        if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1)
+        {
+            return std::make_tuple(fname, spdlog::filename_t());
+        }
+
+        // treat casese like "/etc/rc.d/somelogfile or "/abc/.hiddenfile"
+        auto folder_index = fname.rfind(details::os::folder_sep);
+        if (folder_index != filename_t::npos && folder_index >= ext_index - 1)
+        {
+            return std::make_tuple(fname, spdlog::filename_t());
+        }
+
+        // finally - return a valid base and extension tuple
+        return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
+    }
+
+private:
+    std::FILE *fd_{nullptr};
+    filename_t _filename;
+};
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/fmt_helper.h

@@ -0,0 +1,127 @@
+//
+// Created by gabi on 6/15/18.
+//
+
+#pragma once
+
+#include "chrono"
+#include "spdlog/fmt/fmt.h"
+
+// Some fmt helpers to efficiently format and pad ints and strings
+namespace spdlog {
+namespace details {
+namespace fmt_helper {
+
+template<size_t Buffer_Size>
+inline void append_str(const std::string &str, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+    auto *str_ptr = str.data();
+    dest.append(str_ptr, str_ptr + str.size());
+}
+
+template<size_t Buffer_Size>
+inline void append_c_str(const char *c_str, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+    auto len = std::char_traits<char>::length(c_str);
+    dest.append(c_str, c_str + len);
+}
+
+template<size_t Buffer_Size1, size_t Buffer_Size2>
+inline void append_buf(const fmt::basic_memory_buffer<char, Buffer_Size1> &buf, fmt::basic_memory_buffer<char, Buffer_Size2> &dest)
+{
+    auto *buf_ptr = buf.data();
+    dest.append(buf_ptr, buf_ptr + buf.size());
+}
+
+template<typename T, size_t Buffer_Size>
+inline void append_int(T n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+    fmt::format_int i(n);
+    dest.append(i.data(), i.data() + i.size());
+}
+
+template<size_t Buffer_Size>
+inline void pad2(int n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+    if (n > 99)
+    {
+        append_int(n, dest);
+        return;
+    }
+    if (n > 9) // 10-99
+    {
+        dest.push_back(static_cast<char>('0' + n / 10));
+        dest.push_back(static_cast<char>('0' + n % 10));
+        return;
+    }
+    if (n >= 0) // 0-9
+    {
+        dest.push_back('0');
+        dest.push_back(static_cast<char>('0' + n));
+        return;
+    }
+    // negatives (unlikely, but just in case, let fmt deal with it)
+    fmt::format_to(dest, "{:02}", n);
+}
+
+template<size_t Buffer_Size>
+inline void pad3(int n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+    if (n > 999)
+    {
+        append_int(n, dest);
+        return;
+    }
+
+    if (n > 99) // 100-999
+    {
+        dest.push_back(static_cast<char>('0' + n / 100));
+        pad2(n % 100, dest);
+        return;
+    }
+    if (n > 9) // 10-99
+    {
+        dest.push_back('0');
+        dest.push_back(static_cast<char>('0' + n / 10));
+        dest.push_back(static_cast<char>('0' + n % 10));
+        return;
+    }
+    if (n >= 0)
+    {
+        dest.push_back('0');
+        dest.push_back('0');
+        dest.push_back(static_cast<char>('0' + n));
+        return;
+    }
+    // negatives (unlikely, but just in case let fmt deal with it)
+    fmt::format_to(dest, "{:03}", n);
+}
+
+template<size_t Buffer_Size>
+inline void pad6(size_t n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+    if (n > 99999)
+    {
+        append_int(n, dest);
+        return;
+    }
+    pad3(static_cast<int>(n / 1000), dest);
+    pad3(static_cast<int>(n % 1000), dest);
+}
+
+// return fraction of a second of the given time_point.
+// e.g.
+// fraction<std::milliseconds>(tp) -> will return the millis part of the second
+template<typename ToDuration>
+inline ToDuration time_fraction(const log_clock::time_point &tp)
+{
+    using std::chrono::duration_cast;
+    using std::chrono::seconds;
+    auto duration = tp.time_since_epoch();
+    auto secs = duration_cast<seconds>(duration);
+    return duration_cast<ToDuration>(duration) - duration_cast<ToDuration>(secs);
+}
+
+} // namespace fmt_helper
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/log_msg.h

@@ -0,0 +1,49 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/common.h"
+#include "spdlog/details/os.h"
+
+#include <string>
+#include <utility>
+
+namespace spdlog {
+namespace details {
+struct log_msg
+{
+    log_msg() = default;
+
+    log_msg(const std::string *loggers_name, level::level_enum lvl)
+        : logger_name(loggers_name)
+        , level(lvl)
+#ifndef SPDLOG_NO_DATETIME
+        , time(os::now())
+#endif
+
+#ifndef SPDLOG_NO_THREAD_ID
+        , thread_id(os::thread_id())
+#endif
+    {
+    }
+
+    log_msg(const log_msg &other) = delete;
+    log_msg(log_msg &&other) = delete;
+    log_msg &operator=(log_msg &&other) = delete;
+
+    const std::string *logger_name{nullptr};
+    level::level_enum level;
+    log_clock::time_point time;
+    size_t thread_id;
+    fmt::memory_buffer raw;
+    size_t msg_id;
+
+    // info about wrapping the formatted text with color (updated by pattern_formatter).
+    mutable size_t color_range_start{0};
+    mutable size_t color_range_end{0};
+};
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/logger_impl.h

@@ -0,0 +1,383 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/fmt_helper.h"
+
+#include <memory>
+#include <string>
+
+// create logger with given name, sinks and the default pattern formatter
+// all other ctors will call this one
+template<typename It>
+inline spdlog::logger::logger(std::string logger_name, It begin, It end)
+    : name_(std::move(logger_name))
+    , sinks_(begin, end)
+    , level_(level::info)
+    , flush_level_(level::off)
+    , last_err_time_(0)
+    , msg_counter_(1) // message counter will start from 1. 0-message id will be
+                      // reserved for controll messages
+{
+    err_handler_ = [this](const std::string &msg) { this->default_err_handler_(msg); };
+}
+
+// ctor with sinks as init list
+inline spdlog::logger::logger(std::string logger_name, sinks_init_list sinks_list)
+    : logger(std::move(logger_name), sinks_list.begin(), sinks_list.end())
+{
+}
+
+// ctor with single sink
+inline spdlog::logger::logger(std::string logger_name, spdlog::sink_ptr single_sink)
+    : logger(std::move(logger_name), {std::move(single_sink)})
+{
+}
+
+inline spdlog::logger::~logger() = default;
+
+inline void spdlog::logger::set_formatter(std::unique_ptr<spdlog::formatter> f)
+{
+    for (auto &sink : sinks_)
+    {
+        sink->set_formatter(f->clone());
+    }
+}
+
+inline void spdlog::logger::set_pattern(std::string pattern, pattern_time_type time_type)
+{
+    auto new_formatter = details::make_unique<spdlog::pattern_formatter>(std::move(pattern), time_type);
+    set_formatter(std::move(new_formatter));
+}
+
+template<typename... Args>
+inline void spdlog::logger::log(level::level_enum lvl, const char *fmt, const Args &... args)
+{
+    if (!should_log(lvl))
+    {
+        return;
+    }
+
+    try
+    {
+        details::log_msg log_msg(&name_, lvl);
+        fmt::format_to(log_msg.raw, fmt, args...);
+        sink_it_(log_msg);
+    }
+    SPDLOG_CATCH_AND_HANDLE
+}
+
+template<typename... Args>
+inline void spdlog::logger::log(level::level_enum lvl, const char *msg)
+{
+    if (!should_log(lvl))
+    {
+        return;
+    }
+    try
+    {
+        details::log_msg log_msg(&name_, lvl);
+        details::fmt_helper::append_c_str(msg, log_msg.raw);
+        sink_it_(log_msg);
+    }
+    SPDLOG_CATCH_AND_HANDLE
+}
+
+template<typename T>
+inline void spdlog::logger::log(level::level_enum lvl, const T &msg)
+{
+    if (!should_log(lvl))
+    {
+        return;
+    }
+    try
+    {
+        details::log_msg log_msg(&name_, lvl);
+        fmt::format_to(log_msg.raw, "{}", msg);
+        sink_it_(log_msg);
+    }
+    SPDLOG_CATCH_AND_HANDLE
+}
+
+template<typename... Args>
+inline void spdlog::logger::trace(const char *fmt, const Args &... args)
+{
+    log(level::trace, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::debug(const char *fmt, const Args &... args)
+{
+    log(level::debug, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::info(const char *fmt, const Args &... args)
+{
+    log(level::info, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::warn(const char *fmt, const Args &... args)
+{
+    log(level::warn, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::error(const char *fmt, const Args &... args)
+{
+    log(level::err, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::critical(const char *fmt, const Args &... args)
+{
+    log(level::critical, fmt, args...);
+}
+
+template<typename T>
+inline void spdlog::logger::trace(const T &msg)
+{
+    log(level::trace, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::debug(const T &msg)
+{
+    log(level::debug, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::info(const T &msg)
+{
+    log(level::info, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::warn(const T &msg)
+{
+    log(level::warn, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::error(const T &msg)
+{
+    log(level::err, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::critical(const T &msg)
+{
+    log(level::critical, msg);
+}
+
+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
+
+inline void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target)
+{
+    int wbuf_size = static_cast<int>(wbuf.size());
+    if (wbuf_size == 0)
+    {
+        return;
+    }
+
+    auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL);
+
+    if (result_size > 0)
+    {
+        target.resize(result_size);
+        ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL);
+    }
+    else
+    {
+        throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
+    }
+}
+
+template<typename... Args>
+inline void spdlog::logger::log(level::level_enum lvl, const wchar_t *fmt, const Args &... args)
+{
+    if (!should_log(lvl))
+    {
+        return;
+    }
+
+    try
+    {
+        // format to wmemory_buffer and convert to utf8
+        details::log_msg log_msg(&name_, lvl);
+        fmt::wmemory_buffer wbuf;
+        fmt::format_to(wbuf, fmt, args...);
+        wbuf_to_utf8buf(wbuf, log_msg.raw);
+        sink_it_(log_msg);
+    }
+    SPDLOG_CATCH_AND_HANDLE
+}
+
+template<typename... Args>
+inline void spdlog::logger::trace(const wchar_t *fmt, const Args &... args)
+{
+    log(level::trace, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::debug(const wchar_t *fmt, const Args &... args)
+{
+    log(level::debug, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::info(const wchar_t *fmt, const Args &... args)
+{
+    log(level::info, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::warn(const wchar_t *fmt, const Args &... args)
+{
+    log(level::warn, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::error(const wchar_t *fmt, const Args &... args)
+{
+    log(level::err, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::critical(const wchar_t *fmt, const Args &... args)
+{
+    log(level::critical, fmt, args...);
+}
+
+#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
+
+//
+// name and level
+//
+inline const std::string &spdlog::logger::name() const
+{
+    return name_;
+}
+
+inline void spdlog::logger::set_level(spdlog::level::level_enum log_level)
+{
+    level_.store(log_level);
+}
+
+inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler)
+{
+    err_handler_ = std::move(err_handler);
+}
+
+inline spdlog::log_err_handler spdlog::logger::error_handler()
+{
+    return err_handler_;
+}
+
+inline void spdlog::logger::flush()
+{
+    try
+    {
+        flush_();
+    }
+    SPDLOG_CATCH_AND_HANDLE
+}
+
+inline void spdlog::logger::flush_on(level::level_enum log_level)
+{
+    flush_level_.store(log_level);
+}
+
+inline spdlog::level::level_enum spdlog::logger::flush_level() const
+{
+    return static_cast<spdlog::level::level_enum>(flush_level_.load(std::memory_order_relaxed));
+}
+
+inline bool spdlog::logger::should_flush_(const details::log_msg &msg)
+{
+    auto flush_level = flush_level_.load(std::memory_order_relaxed);
+    return (msg.level >= flush_level) && (msg.level != level::off);
+}
+
+inline spdlog::level::level_enum spdlog::logger::level() const
+{
+    return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
+}
+
+inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const
+{
+    return msg_level >= level_.load(std::memory_order_relaxed);
+}
+
+//
+// protected virtual called at end of each user log call (if enabled) by the
+// line_logger
+//
+inline void spdlog::logger::sink_it_(details::log_msg &msg)
+{
+#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
+    incr_msg_counter_(msg);
+#endif
+    for (auto &sink : sinks_)
+    {
+        if (sink->should_log(msg.level))
+        {
+            sink->log(msg);
+        }
+    }
+
+    if (should_flush_(msg))
+    {
+        flush();
+    }
+}
+
+inline void spdlog::logger::flush_()
+{
+    for (auto &sink : sinks_)
+    {
+        sink->flush();
+    }
+}
+
+inline void spdlog::logger::default_err_handler_(const std::string &msg)
+{
+    auto now = time(nullptr);
+    if (now - last_err_time_ < 60)
+    {
+        return;
+    }
+    last_err_time_ = now;
+    auto tm_time = details::os::localtime(now);
+    char date_buf[100];
+    std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
+    fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg);
+}
+
+inline void spdlog::logger::incr_msg_counter_(details::log_msg &msg)
+{
+    msg.msg_id = msg_counter_.fetch_add(1, std::memory_order_relaxed);
+}
+
+inline const std::vector<spdlog::sink_ptr> &spdlog::logger::sinks() const
+{
+    return sinks_;
+}
+
+inline std::vector<spdlog::sink_ptr> &spdlog::logger::sinks()
+{
+    return sinks_;
+}
+
+inline std::shared_ptr<spdlog::logger> spdlog::logger::clone(std::string logger_name)
+{
+    auto cloned = std::make_shared<spdlog::logger>(std::move(logger_name), sinks_.begin(), sinks_.end());
+    cloned->set_level(this->level());
+    cloned->flush_on(this->flush_level());
+    cloned->set_error_handler(this->error_handler());
+    return cloned;
+}

libs/spdlog/details/mpmc_blocking_q.h

@@ -0,0 +1,121 @@
+#pragma once
+
+//
+// Copyright(c) 2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+// multi producer-multi consumer blocking queue.
+// enqueue(..) - will block until room found to put the new message.
+// enqueue_nowait(..) - will return immediately with false if no room left in
+// the queue.
+// dequeue_for(..) - will block until the queue is not empty or timeout have
+// passed.
+
+#include "spdlog/details/circular_q.h"
+
+#include <condition_variable>
+#include <mutex>
+
+namespace spdlog {
+namespace details {
+
+template<typename T>
+class mpmc_blocking_queue
+{
+public:
+    using item_type = T;
+    explicit mpmc_blocking_queue(size_t max_items)
+        : q_(max_items)
+    {
+    }
+
+#ifndef __MINGW32__
+    // try to enqueue and block if no room left
+    void enqueue(T &&item)
+    {
+        {
+            std::unique_lock<std::mutex> lock(queue_mutex_);
+            pop_cv_.wait(lock, [this] { return !this->q_.full(); });
+            q_.push_back(std::move(item));
+        }
+        push_cv_.notify_one();
+    }
+
+    // enqueue immediately. overrun oldest message in the queue if no room left.
+    void enqueue_nowait(T &&item)
+    {
+        {
+            std::unique_lock<std::mutex> lock(queue_mutex_);
+            q_.push_back(std::move(item));
+        }
+        push_cv_.notify_one();
+    }
+
+    // try to dequeue item. if no item found. wait upto timeout and try again
+    // Return true, if succeeded dequeue item, false otherwise
+    bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
+    {
+        {
+            std::unique_lock<std::mutex> lock(queue_mutex_);
+            if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
+            {
+                return false;
+            }
+            q_.pop_front(popped_item);
+        }
+        pop_cv_.notify_one();
+        return true;
+    }
+
+#else
+    // apparently mingw deadlocks if the mutex is released before cv.notify_one(),
+    // so release the mutex at the very end each function.
+
+    // try to enqueue and block if no room left
+    void enqueue(T &&item)
+    {
+        std::unique_lock<std::mutex> lock(queue_mutex_);
+        pop_cv_.wait(lock, [this] { return !this->q_.full(); });
+        q_.push_back(std::move(item));
+        push_cv_.notify_one();
+    }
+
+    // enqueue immediately. overrun oldest message in the queue if no room left.
+    void enqueue_nowait(T &&item)
+    {
+        std::unique_lock<std::mutex> lock(queue_mutex_);
+        q_.push_back(std::move(item));
+        push_cv_.notify_one();
+    }
+
+    // try to dequeue item. if no item found. wait upto timeout and try again
+    // Return true, if succeeded dequeue item, false otherwise
+    bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
+    {
+        std::unique_lock<std::mutex> lock(queue_mutex_);
+        if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
+        {
+            return false;
+        }
+        q_.pop_front(popped_item);
+        pop_cv_.notify_one();
+        return true;
+    }
+
+#endif
+
+    size_t overrun_counter()
+    {
+        std::unique_lock<std::mutex> lock(queue_mutex_);
+        return q_.overrun_counter();
+    }
+
+private:
+    std::mutex queue_mutex_;
+    std::condition_variable push_cv_;
+    std::condition_variable pop_cv_;
+    spdlog::details::circular_q<T> q_;
+};
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/null_mutex.h

@@ -0,0 +1,45 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include <atomic>
+// null, no cost dummy "mutex" and dummy "atomic" int
+
+namespace spdlog {
+namespace details {
+struct null_mutex
+{
+    void lock() {}
+    void unlock() {}
+    bool try_lock()
+    {
+        return true;
+    }
+};
+
+struct null_atomic_int
+{
+    int value;
+    null_atomic_int() = default;
+
+    explicit null_atomic_int(int val)
+        : value(val)
+    {
+    }
+
+    int load(std::memory_order) const
+    {
+        return value;
+    }
+
+    void store(int val)
+    {
+        value = val;
+    }
+};
+
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/os.h

@@ -0,0 +1,422 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+#pragma once
+
+#include "spdlog/common.h"
+
+#include <algorithm>
+#include <chrono>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include <functional>
+#include <string>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <thread>
+
+#ifdef _WIN32
+
+#ifndef NOMINMAX
+#define NOMINMAX // prevent windows redefining min/max
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <io.h>      // _get_osfhandle and _isatty support
+#include <process.h> //  _get_pid support
+#include <windows.h>
+
+#ifdef __MINGW32__
+#include <share.h>
+#endif
+
+#else // unix
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#ifdef __linux__
+#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
+
+#elif __FreeBSD__
+#include <sys/thr.h> //Use thr_self() syscall under FreeBSD to get thread id
+#endif
+
+#endif // unix
+
+#ifndef __has_feature      // Clang - feature checking macros.
+#define __has_feature(x) 0 // Compatibility with non-clang compilers.
+#endif
+
+namespace spdlog {
+namespace details {
+namespace os {
+
+inline spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT
+{
+
+#if defined __linux__ && defined SPDLOG_CLOCK_COARSE
+    timespec ts;
+    ::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
+    return std::chrono::time_point<log_clock, typename log_clock::duration>(
+        std::chrono::duration_cast<typename log_clock::duration>(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
+
+#else
+    return log_clock::now();
+#endif
+}
+inline std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+    std::tm tm;
+    localtime_s(&tm, &time_tt);
+#else
+    std::tm tm;
+    localtime_r(&time_tt, &tm);
+#endif
+    return tm;
+}
+
+inline std::tm localtime() SPDLOG_NOEXCEPT
+{
+    std::time_t now_t = time(nullptr);
+    return localtime(now_t);
+}
+
+inline std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+    std::tm tm;
+    gmtime_s(&tm, &time_tt);
+#else
+    std::tm tm;
+    gmtime_r(&time_tt, &tm);
+#endif
+    return tm;
+}
+
+inline std::tm gmtime() SPDLOG_NOEXCEPT
+{
+    std::time_t now_t = time(nullptr);
+    return gmtime(now_t);
+}
+
+// eol definition
+#if !defined(SPDLOG_EOL)
+#ifdef _WIN32
+#define SPDLOG_EOL "\r\n"
+#else
+#define SPDLOG_EOL "\n"
+#endif
+#endif
+
+SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL;
+
+// folder separator
+#ifdef _WIN32
+SPDLOG_CONSTEXPR static const char folder_sep = '\\';
+#else
+SPDLOG_CONSTEXPR static const char folder_sep = '/';
+#endif
+
+inline void prevent_child_fd(FILE *f)
+{
+
+#ifdef _WIN32
+#if !defined(__cplusplus_winrt)
+    auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
+    if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
+        throw spdlog_ex("SetHandleInformation failed", errno);
+#endif
+#else
+    auto fd = fileno(f);
+    if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
+    {
+        throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
+    }
+#endif
+}
+
+// fopen_s on non windows for writing
+inline bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode)
+{
+#ifdef _WIN32
+#ifdef SPDLOG_WCHAR_FILENAMES
+    *fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
+#else
+    *fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
+#endif
+#else // unix
+    *fp = fopen((filename.c_str()), mode.c_str());
+#endif
+
+#ifdef SPDLOG_PREVENT_CHILD_FD
+    if (*fp != nullptr)
+    {
+        prevent_child_fd(*fp);
+    }
+#endif
+    return *fp == nullptr;
+}
+
+inline int remove(const filename_t &filename) SPDLOG_NOEXCEPT
+{
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+    return _wremove(filename.c_str());
+#else
+    return std::remove(filename.c_str());
+#endif
+}
+
+inline int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT
+{
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+    return _wrename(filename1.c_str(), filename2.c_str());
+#else
+    return std::rename(filename1.c_str(), filename2.c_str());
+#endif
+}
+
+// Return if file exists
+inline bool file_exists(const filename_t &filename)  SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+#ifdef SPDLOG_WCHAR_FILENAMES
+    auto attribs = GetFileAttributesW(filename.c_str());
+#else
+    auto attribs = GetFileAttributesA(filename.c_str());
+#endif
+    return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY));
+#else // common linux/unix all have the stat system call
+    struct stat buffer;
+    return (stat(filename.c_str(), &buffer) == 0);
+#endif
+}
+
+// Return file size according to open FILE* object
+inline size_t filesize(FILE *f)
+{
+    if (f == nullptr)
+    {
+        throw spdlog_ex("Failed getting file size. fd is null");
+    }
+#if defined(_WIN32) && !defined(__CYGWIN__)
+    int fd = _fileno(f);
+#if _WIN64 // 64 bits
+    struct _stat64 st;
+    if (_fstat64(fd, &st) == 0)
+    {
+        return st.st_size;
+    }
+
+#else // windows 32 bits
+    long ret = _filelength(fd);
+    if (ret >= 0)
+    {
+        return static_cast<size_t>(ret);
+    }
+#endif
+
+#else // unix
+    int fd = fileno(f);
+// 64 bits(but not in osx or cygwin, where fstat64 is deprecated)
+#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__)) && !defined(__CYGWIN__)
+    struct stat64 st;
+    if (fstat64(fd, &st) == 0)
+    {
+        return static_cast<size_t>(st.st_size);
+    }
+#else // unix 32 bits or cygwin
+    struct stat st;
+
+    if (fstat(fd, &st) == 0)
+    {
+        return static_cast<size_t>(st.st_size);
+    }
+#endif
+#endif
+    throw spdlog_ex("Failed getting file size from fd", errno);
+}
+
+// Return utc offset in minutes or throw spdlog_ex on failure
+inline int utc_minutes_offset(const std::tm &tm = details::os::localtime())
+{
+
+#ifdef _WIN32
+#if _WIN32_WINNT < _WIN32_WINNT_WS08
+    TIME_ZONE_INFORMATION tzinfo;
+    auto rv = GetTimeZoneInformation(&tzinfo);
+#else
+    DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
+    auto rv = GetDynamicTimeZoneInformation(&tzinfo);
+#endif
+    if (rv == TIME_ZONE_ID_INVALID)
+        throw spdlog::spdlog_ex("Failed getting timezone info. ", errno);
+
+    int offset = -tzinfo.Bias;
+    if (tm.tm_isdst)
+    {
+        offset -= tzinfo.DaylightBias;
+    }
+    else
+    {
+        offset -= tzinfo.StandardBias;
+    }
+    return offset;
+#else
+
+#if defined(sun) || defined(__sun) || defined(_AIX)
+    // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
+    struct helper
+    {
+        static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime())
+        {
+            int local_year = localtm.tm_year + (1900 - 1);
+            int gmt_year = gmtm.tm_year + (1900 - 1);
+
+            long int days = (
+                // difference in day of year
+                localtm.tm_yday -
+                gmtm.tm_yday
+
+                // + intervening leap days
+                + ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) +
+                ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
+
+                // + difference in years * 365 */
+                + (long int)(local_year - gmt_year) * 365);
+
+            long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
+            long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
+            long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
+
+            return secs;
+        }
+    };
+
+    auto offset_seconds = helper::calculate_gmt_offset(tm);
+#else
+    auto offset_seconds = tm.tm_gmtoff;
+#endif
+
+    return static_cast<int>(offset_seconds / 60);
+#endif
+}
+
+// Return current thread id as size_t
+// It exists because the std::this_thread::get_id() is much slower(especially
+// under VS 2013)
+inline size_t _thread_id() SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+    return static_cast<size_t>(::GetCurrentThreadId());
+#elif __linux__
+#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
+#define SYS_gettid __NR_gettid
+#endif
+    return static_cast<size_t>(syscall(SYS_gettid));
+#elif __FreeBSD__
+    long tid;
+    thr_self(&tid);
+    return static_cast<size_t>(tid);
+#elif __APPLE__
+    uint64_t tid;
+    pthread_threadid_np(nullptr, &tid);
+    return static_cast<size_t>(tid);
+#else // Default to standard C++11 (other Unix)
+    return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
+#endif
+}
+
+// Return current thread id as size_t (from thread local storage)
+inline size_t thread_id() SPDLOG_NOEXCEPT
+{
+#if defined(SPDLOG_DISABLE_TID_CACHING) || (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt) ||                       \
+    (defined(__clang__) && !__has_feature(cxx_thread_local))
+    return _thread_id();
+#else // cache thread id in tls
+    static thread_local const size_t tid = _thread_id();
+    return tid;
+#endif
+}
+
+// This is avoid msvc issue in sleep_for that happens if the clock changes.
+// See https://github.com/gabime/spdlog/issues/609
+inline void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT
+{
+#if defined(_WIN32)
+    ::Sleep(milliseconds);
+#else
+    std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
+#endif
+}
+
+// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+#define SPDLOG_FILENAME_T(s) L##s
+inline std::string filename_to_str(const filename_t &filename)
+{
+    std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
+    return c.to_bytes(filename);
+}
+#else
+#define SPDLOG_FILENAME_T(s) s
+inline std::string filename_to_str(const filename_t &filename)
+{
+    return filename;
+}
+#endif
+
+inline int pid()
+{
+
+#ifdef _WIN32
+    return static_cast<int>(::GetCurrentProcessId());
+#else
+    return static_cast<int>(::getpid());
+#endif
+}
+
+// Determine if the terminal supports colors
+// Source: https://github.com/agauniyal/rang/
+inline bool is_color_terminal() SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+    return true;
+#else
+    static constexpr const char *Terms[] = {
+        "ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"};
+
+    const char *env_p = std::getenv("TERM");
+    if (env_p == nullptr)
+    {
+        return false;
+    }
+
+    static const bool result =
+        std::any_of(std::begin(Terms), std::end(Terms), [&](const char *term) { return std::strstr(env_p, term) != nullptr; });
+    return result;
+#endif
+}
+
+// Detrmine if the terminal attached
+// Source: https://github.com/agauniyal/rang/
+inline bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+    return _isatty(_fileno(file)) != 0;
+#else
+    return isatty(fileno(file)) != 0;
+#endif
+}
+} // namespace os
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/pattern_formatter.h

@@ -0,0 +1,774 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/fmt_helper.h"
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/os.h"
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/formatter.h"
+
+#include <array>
+#include <chrono>
+#include <ctime>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <thread>
+#include <utility>
+#include <vector>
+
+namespace spdlog {
+namespace details {
+
+class flag_formatter
+{
+public:
+    virtual ~flag_formatter() = default;
+    virtual void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) = 0;
+};
+
+///////////////////////////////////////////////////////////////////////
+// name & level pattern appenders
+///////////////////////////////////////////////////////////////////////
+class name_formatter : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_str(*msg.logger_name, dest);
+    }
+};
+
+// log level appender
+class level_formatter : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_c_str(level::to_c_str(msg.level), dest);
+    }
+};
+
+// short log level appender
+class short_level_formatter : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_c_str(level::to_short_c_str(msg.level), dest);
+    }
+};
+
+///////////////////////////////////////////////////////////////////////
+// Date time pattern appenders
+///////////////////////////////////////////////////////////////////////
+
+static const char *ampm(const tm &t)
+{
+    return t.tm_hour >= 12 ? "PM" : "AM";
+}
+
+static int to12h(const tm &t)
+{
+    return t.tm_hour > 12 ? t.tm_hour - 12 : t.tm_hour;
+}
+
+// Abbreviated weekday name
+static const char *days[]{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
+class a_formatter : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_c_str(days[tm_time.tm_wday], dest);
+    }
+};
+
+// Full weekday name
+static const char *full_days[]{"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
+class A_formatter : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_c_str(full_days[tm_time.tm_wday], dest);
+    }
+};
+
+// Abbreviated month
+static const char *months[]{"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"};
+class b_formatter : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_c_str(months[tm_time.tm_mon], dest);
+    }
+};
+
+// Full month name
+static const char *full_months[]{
+    "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
+class B_formatter : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_c_str(full_months[tm_time.tm_mon], dest);
+    }
+};
+
+// Date and time representation (Thu Aug 23 15:35:46 2014)
+class c_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        // fmt::format_to(dest, "{} {} {} ", days[tm_time.tm_wday],
+        // months[tm_time.tm_mon], tm_time.tm_mday);
+        // date
+        fmt_helper::append_str(days[tm_time.tm_wday], dest);
+        dest.push_back(' ');
+        fmt_helper::append_str(months[tm_time.tm_mon], dest);
+        dest.push_back(' ');
+        fmt_helper::append_int(tm_time.tm_mday, dest);
+        dest.push_back(' ');
+        // time
+
+        fmt_helper::pad2(tm_time.tm_hour, dest);
+        dest.push_back(':');
+        fmt_helper::pad2(tm_time.tm_min, dest);
+        dest.push_back(':');
+        fmt_helper::pad2(tm_time.tm_sec, dest);
+        dest.push_back(' ');
+        fmt_helper::append_int(tm_time.tm_year + 1900, dest);
+    }
+};
+
+// year - 2 digit
+class C_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_year % 100, dest);
+    }
+};
+
+// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01
+class D_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_mon + 1, dest);
+        dest.push_back('/');
+        fmt_helper::pad2(tm_time.tm_mday, dest);
+        dest.push_back('/');
+        fmt_helper::pad2(tm_time.tm_year % 100, dest);
+    }
+};
+
+// year - 4 digit
+class Y_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_int(tm_time.tm_year + 1900, dest);
+    }
+};
+
+// month 1-12
+class m_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_mon + 1, dest);
+    }
+};
+
+// day of month 1-31
+class d_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_mday, dest);
+    }
+};
+
+// hours in 24 format 0-23
+class H_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_hour, dest);
+    }
+};
+
+// hours in 12 format 1-12
+class I_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(to12h(tm_time), dest);
+    }
+};
+
+// minutes 0-59
+class M_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_min, dest);
+    }
+};
+
+// seconds 0-59
+class S_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_sec, dest);
+    }
+};
+
+// milliseconds
+class e_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        auto millis = fmt_helper::time_fraction<std::chrono::milliseconds>(msg.time);
+        fmt_helper::pad3(static_cast<int>(millis.count()), dest);
+    }
+};
+
+// microseconds
+class f_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        auto micros = fmt_helper::time_fraction<std::chrono::microseconds>(msg.time);
+        fmt_helper::pad6(static_cast<size_t>(micros.count()), dest);
+    }
+};
+
+// nanoseconds
+class F_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        auto ns = fmt_helper::time_fraction<std::chrono::nanoseconds>(msg.time);
+        fmt::format_to(dest, "{:09}", ns.count());
+    }
+};
+
+// seconds since epoch
+class E_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        auto duration = msg.time.time_since_epoch();
+        auto seconds = std::chrono::duration_cast<std::chrono::seconds>(duration).count();
+        fmt_helper::append_int(seconds, dest);
+    }
+};
+
+// AM/PM
+class p_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_c_str(ampm(tm_time), dest);
+    }
+};
+
+// 12 hour clock 02:55:02 pm
+class r_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(to12h(tm_time), dest);
+        dest.push_back(':');
+        fmt_helper::pad2(tm_time.tm_min, dest);
+        dest.push_back(':');
+        fmt_helper::pad2(tm_time.tm_sec, dest);
+        dest.push_back(' ');
+        fmt_helper::append_c_str(ampm(tm_time), dest);
+    }
+};
+
+// 24-hour HH:MM time, equivalent to %H:%M
+class R_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad2(tm_time.tm_hour, dest);
+        dest.push_back(':');
+        fmt_helper::pad2(tm_time.tm_min, dest);
+    }
+};
+
+// ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S
+class T_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        // fmt::format_to(dest, "{:02}:{:02}:{:02}", tm_time.tm_hour,
+        // tm_time.tm_min, tm_time.tm_sec);
+        fmt_helper::pad2(tm_time.tm_hour, dest);
+        dest.push_back(':');
+        fmt_helper::pad2(tm_time.tm_min, dest);
+        dest.push_back(':');
+        fmt_helper::pad2(tm_time.tm_sec, dest);
+    }
+};
+
+// ISO 8601 offset from UTC in timezone (+-HH:MM)
+class z_formatter final : public flag_formatter
+{
+public:
+    const std::chrono::seconds cache_refresh = std::chrono::seconds(5);
+
+    z_formatter() = default;
+    z_formatter(const z_formatter &) = delete;
+    z_formatter &operator=(const z_formatter &) = delete;
+
+    void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+#ifdef _WIN32
+        int total_minutes = get_cached_offset(msg, tm_time);
+#else
+        // No need to chache under gcc,
+        // it is very fast (already stored in tm.tm_gmtoff)
+        (void)(msg);
+        int total_minutes = os::utc_minutes_offset(tm_time);
+#endif
+        bool is_negative = total_minutes < 0;
+        if (is_negative)
+        {
+            total_minutes = -total_minutes;
+            dest.push_back('-');
+        }
+        else
+        {
+            dest.push_back('+');
+        }
+
+        fmt_helper::pad2(total_minutes / 60, dest); // hours
+        dest.push_back(':');
+        fmt_helper::pad2(total_minutes % 60, dest); // minutes
+    }
+
+private:
+    log_clock::time_point last_update_{std::chrono::seconds(0)};
+#ifdef _WIN32
+    int offset_minutes_{0};
+
+    int get_cached_offset(const log_msg &msg, const std::tm &tm_time)
+    {
+        if (msg.time - last_update_ >= cache_refresh)
+        {
+            offset_minutes_ = os::utc_minutes_offset(tm_time);
+            last_update_ = msg.time;
+        }
+        return offset_minutes_;
+    }
+#endif
+};
+
+// Thread id
+class t_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad6(msg.thread_id, dest);
+    }
+};
+
+// Current pid
+class pid_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_int(details::os::pid(), dest);
+    }
+};
+
+// message counter formatter
+class i_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::pad6(msg.msg_id, dest);
+    }
+};
+
+class v_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_buf(msg.raw, dest);
+    }
+};
+
+class ch_formatter final : public flag_formatter
+{
+public:
+    explicit ch_formatter(char ch)
+        : ch_(ch)
+    {
+    }
+    void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        dest.push_back(ch_);
+    }
+
+private:
+    char ch_;
+};
+
+// aggregate user chars to display as is
+class aggregate_formatter final : public flag_formatter
+{
+public:
+    aggregate_formatter() = default;
+
+    void add_ch(char ch)
+    {
+        str_ += ch;
+    }
+    void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        fmt_helper::append_str(str_, dest);
+    }
+
+private:
+    std::string str_;
+};
+
+// mark the color range. expect it to be in the form of "%^colored text%$"
+class color_start_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        msg.color_range_start = dest.size();
+    }
+};
+class color_stop_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+    {
+        msg.color_range_end = dest.size();
+    }
+};
+
+// Full info formatter
+// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v
+class full_formatter final : public flag_formatter
+{
+    void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override
+    {
+        using std::chrono::duration_cast;
+        using std::chrono::milliseconds;
+        using std::chrono::seconds;
+
+#ifndef SPDLOG_NO_DATETIME
+
+        // cache the date/time part for the next second.
+        auto duration = msg.time.time_since_epoch();
+        auto secs = duration_cast<seconds>(duration);
+
+        if (cache_timestamp_ != secs || cached_datetime_.size() == 0)
+        {
+            cached_datetime_.clear();
+            cached_datetime_.push_back('[');
+            fmt_helper::append_int(tm_time.tm_year + 1900, cached_datetime_);
+            cached_datetime_.push_back('-');
+
+            fmt_helper::pad2(tm_time.tm_mon + 1, cached_datetime_);
+            cached_datetime_.push_back('-');
+
+            fmt_helper::pad2(tm_time.tm_mday, cached_datetime_);
+            cached_datetime_.push_back(' ');
+
+            fmt_helper::pad2(tm_time.tm_hour, cached_datetime_);
+            cached_datetime_.push_back(':');
+
+            fmt_helper::pad2(tm_time.tm_min, cached_datetime_);
+            cached_datetime_.push_back(':');
+
+            fmt_helper::pad2(tm_time.tm_sec, cached_datetime_);
+            cached_datetime_.push_back('.');
+
+            cache_timestamp_ = secs;
+        }
+        fmt_helper::append_buf(cached_datetime_, dest);
+
+        auto millis = fmt_helper::time_fraction<milliseconds>(msg.time);
+        fmt_helper::pad3(static_cast<int>(millis.count()), dest);
+        dest.push_back(']');
+        dest.push_back(' ');
+
+#else // no datetime needed
+        (void)tm_time;
+#endif
+
+#ifndef SPDLOG_NO_NAME
+        dest.push_back('[');
+        fmt_helper::append_str(*msg.logger_name, dest);
+        dest.push_back(']');
+        dest.push_back(' ');
+#endif
+
+        dest.push_back('[');
+        // wrap the level name with color
+        msg.color_range_start = dest.size();
+        fmt_helper::append_c_str(level::to_c_str(msg.level), dest);
+        msg.color_range_end = dest.size();
+        dest.push_back(']');
+        dest.push_back(' ');
+        fmt_helper::append_buf(msg.raw, dest);
+    }
+
+private:
+    std::chrono::seconds cache_timestamp_{0};
+    fmt::basic_memory_buffer<char, 128> cached_datetime_;
+};
+
+} // namespace details
+
+class pattern_formatter final : public formatter
+{
+public:
+    explicit pattern_formatter(
+        std::string pattern, pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol)
+        : pattern_(std::move(pattern))
+        , eol_(std::move(eol))
+        , pattern_time_type_(time_type)
+        , last_log_secs_(0)
+    {
+        std::memset(&cached_tm_, 0, sizeof(cached_tm_));
+        compile_pattern_(pattern_);
+    }
+
+    pattern_formatter(const pattern_formatter &other) = delete;
+    pattern_formatter &operator=(const pattern_formatter &other) = delete;
+
+    std::unique_ptr<formatter> clone() const override
+    {
+        return details::make_unique<pattern_formatter>(pattern_, pattern_time_type_, eol_);
+    }
+
+    void format(const details::log_msg &msg, fmt::memory_buffer &dest) override
+    {
+#ifndef SPDLOG_NO_DATETIME
+        auto secs = std::chrono::duration_cast<std::chrono::seconds>(msg.time.time_since_epoch());
+        if (secs != last_log_secs_)
+        {
+            cached_tm_ = get_time_(msg);
+            last_log_secs_ = secs;
+        }
+#endif
+        for (auto &f : formatters_)
+        {
+            f->format(msg, cached_tm_, dest);
+        }
+        // write eol
+        details::fmt_helper::append_str(eol_, dest);
+    }
+
+private:
+    std::string pattern_;
+    std::string eol_;
+    pattern_time_type pattern_time_type_;
+    std::tm cached_tm_;
+    std::chrono::seconds last_log_secs_;
+
+    std::vector<std::unique_ptr<details::flag_formatter>> formatters_;
+
+    std::tm get_time_(const details::log_msg &msg)
+    {
+        if (pattern_time_type_ == pattern_time_type::local)
+        {
+            return details::os::localtime(log_clock::to_time_t(msg.time));
+        }
+        return details::os::gmtime(log_clock::to_time_t(msg.time));
+    }
+
+    void handle_flag_(char flag)
+    {
+        switch (flag)
+        {
+        // logger name
+        case 'n':
+            formatters_.push_back(details::make_unique<details::name_formatter>());
+            break;
+
+        case 'l':
+            formatters_.push_back(details::make_unique<details::level_formatter>());
+            break;
+
+        case 'L':
+            formatters_.push_back(details::make_unique<details::short_level_formatter>());
+            break;
+
+        case ('t'):
+            formatters_.push_back(details::make_unique<details::t_formatter>());
+            break;
+
+        case ('v'):
+            formatters_.push_back(details::make_unique<details::v_formatter>());
+            break;
+
+        case ('a'):
+            formatters_.push_back(details::make_unique<details::a_formatter>());
+            break;
+
+        case ('A'):
+            formatters_.push_back(details::make_unique<details::A_formatter>());
+            break;
+
+        case ('b'):
+        case ('h'):
+            formatters_.push_back(details::make_unique<details::b_formatter>());
+            break;
+
+        case ('B'):
+            formatters_.push_back(details::make_unique<details::B_formatter>());
+            break;
+        case ('c'):
+            formatters_.push_back(details::make_unique<details::c_formatter>());
+            break;
+
+        case ('C'):
+            formatters_.push_back(details::make_unique<details::C_formatter>());
+            break;
+
+        case ('Y'):
+            formatters_.push_back(details::make_unique<details::Y_formatter>());
+            break;
+
+        case ('D'):
+        case ('x'):
+            formatters_.push_back(details::make_unique<details::D_formatter>());
+            break;
+
+        case ('m'):
+            formatters_.push_back(details::make_unique<details::m_formatter>());
+            break;
+
+        case ('d'):
+            formatters_.push_back(details::make_unique<details::d_formatter>());
+            break;
+
+        case ('H'):
+            formatters_.push_back(details::make_unique<details::H_formatter>());
+            break;
+
+        case ('I'):
+            formatters_.push_back(details::make_unique<details::I_formatter>());
+            break;
+
+        case ('M'):
+            formatters_.push_back(details::make_unique<details::M_formatter>());
+            break;
+
+        case ('S'):
+            formatters_.push_back(details::make_unique<details::S_formatter>());
+            break;
+
+        case ('e'):
+            formatters_.push_back(details::make_unique<details::e_formatter>());
+            break;
+
+        case ('f'):
+            formatters_.push_back(details::make_unique<details::f_formatter>());
+            break;
+        case ('F'):
+            formatters_.push_back(details::make_unique<details::F_formatter>());
+            break;
+
+        case ('E'):
+            formatters_.push_back(details::make_unique<details::E_formatter>());
+            break;
+
+        case ('p'):
+            formatters_.push_back(details::make_unique<details::p_formatter>());
+            break;
+
+        case ('r'):
+            formatters_.push_back(details::make_unique<details::r_formatter>());
+            break;
+
+        case ('R'):
+            formatters_.push_back(details::make_unique<details::R_formatter>());
+            break;
+
+        case ('T'):
+        case ('X'):
+            formatters_.push_back(details::make_unique<details::T_formatter>());
+            break;
+
+        case ('z'):
+            formatters_.push_back(details::make_unique<details::z_formatter>());
+            break;
+
+        case ('+'):
+            formatters_.push_back(details::make_unique<details::full_formatter>());
+            break;
+
+        case ('P'):
+            formatters_.push_back(details::make_unique<details::pid_formatter>());
+            break;
+#ifdef SPDLOG_ENABLE_MESSAGE_COUNTER
+        case ('i'):
+            formatters_.push_back(details::make_unique<details::i_formatter>());
+            break;
+#endif
+        case ('^'):
+            formatters_.push_back(details::make_unique<details::color_start_formatter>());
+            break;
+
+        case ('$'):
+            formatters_.push_back(details::make_unique<details::color_stop_formatter>());
+            break;
+
+        default: // Unknown flag appears as is
+            formatters_.push_back(details::make_unique<details::ch_formatter>('%'));
+            formatters_.push_back(details::make_unique<details::ch_formatter>(flag));
+            break;
+        }
+    }
+
+    void compile_pattern_(const std::string &pattern)
+    {
+        auto end = pattern.end();
+        std::unique_ptr<details::aggregate_formatter> user_chars;
+        formatters_.clear();
+        for (auto it = pattern.begin(); it != end; ++it)
+        {
+            if (*it == '%')
+            {
+                if (user_chars) // append user chars found so far
+                {
+                    formatters_.push_back(std::move(user_chars));
+                }
+                if (++it != end)
+                {
+                    handle_flag_(*it);
+                }
+                else
+                {
+                    break;
+                }
+            }
+            else // chars not following the % sign should be displayed as is
+            {
+                if (!user_chars)
+                {
+                    user_chars = details::make_unique<details::aggregate_formatter>();
+                }
+                user_chars->add_ch(*it);
+            }
+        }
+        if (user_chars) // append raw chars found so far
+        {
+            formatters_.push_back(std::move(user_chars));
+        }
+    }
+};
+} // namespace spdlog

libs/spdlog/details/periodic_worker.h

@@ -0,0 +1,71 @@
+
+//
+// Copyright(c) 2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// periodic worker thread - periodically executes the given callback function.
+//
+// RAII over the owned thread:
+//    creates the thread on construction.
+//    stops and joins the thread on destruction.
+
+#include <chrono>
+#include <condition_variable>
+#include <functional>
+#include <mutex>
+#include <thread>
+namespace spdlog {
+namespace details {
+
+class periodic_worker
+{
+public:
+    periodic_worker(const std::function<void()> &callback_fun, std::chrono::seconds interval)
+    {
+        active_ = (interval > std::chrono::seconds::zero());
+        if (!active_)
+        {
+            return;
+        }
+
+        worker_thread_ = std::thread([this, callback_fun, interval]() {
+            for (;;)
+            {
+                std::unique_lock<std::mutex> lock(this->mutex_);
+                if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; }))
+                {
+                    return; // active_ == false, so exit this thread
+                }
+                callback_fun();
+            }
+        });
+    }
+
+    periodic_worker(const periodic_worker &) = delete;
+    periodic_worker &operator=(const periodic_worker &) = delete;
+
+    // stop the worker thread and join it
+    ~periodic_worker()
+    {
+        if (worker_thread_.joinable())
+        {
+            {
+                std::lock_guard<std::mutex> lock(mutex_);
+                active_ = false;
+            }
+            cv_.notify_one();
+            worker_thread_.join();
+        }
+    }
+
+private:
+    bool active_;
+    std::thread worker_thread_;
+    std::mutex mutex_;
+    std::condition_variable cv_;
+};
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/registry.h

@@ -0,0 +1,214 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// Loggers registy of unique name->logger pointer
+// An attempt to create a logger with an already existing name will be ignored
+// If user requests a non existing logger, nullptr will be returned
+// This class is thread safe
+
+#include "spdlog/common.h"
+#include "spdlog/details/periodic_worker.h"
+#include "spdlog/logger.h"
+
+#include <chrono>
+#include <functional>
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+namespace spdlog {
+namespace details {
+class thread_pool;
+
+class registry
+{
+public:
+    registry(const registry &) = delete;
+    registry &operator=(const registry &) = delete;
+
+    void register_logger(std::shared_ptr<logger> new_logger)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        auto logger_name = new_logger->name();
+        throw_if_exists_(logger_name);
+        loggers_[logger_name] = std::move(new_logger);
+    }
+
+    void register_and_init(std::shared_ptr<logger> new_logger)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        auto logger_name = new_logger->name();
+        throw_if_exists_(logger_name);
+
+        // set the global formatter pattern
+        new_logger->set_formatter(formatter_->clone());
+
+        if (err_handler_)
+        {
+            new_logger->set_error_handler(err_handler_);
+        }
+
+        new_logger->set_level(level_);
+        new_logger->flush_on(flush_level_);
+
+        // add to registry
+        loggers_[logger_name] = std::move(new_logger);
+    }
+
+    std::shared_ptr<logger> get(const std::string &logger_name)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        auto found = loggers_.find(logger_name);
+        return found == loggers_.end() ? nullptr : found->second;
+    }
+
+    void set_tp(std::shared_ptr<thread_pool> tp)
+    {
+        std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
+        tp_ = std::move(tp);
+    }
+
+    std::shared_ptr<thread_pool> get_tp()
+    {
+        std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
+        return tp_;
+    }
+
+    // Set global formatter. Each sink in each logger will get a clone of this object
+    void set_formatter(std::unique_ptr<formatter> formatter)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        formatter_ = std::move(formatter);
+        for (auto &l : loggers_)
+        {
+            l.second->set_formatter(formatter_->clone());
+        }
+    }
+
+    void set_level(level::level_enum log_level)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        for (auto &l : loggers_)
+        {
+            l.second->set_level(log_level);
+        }
+        level_ = log_level;
+    }
+
+    void flush_on(level::level_enum log_level)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        for (auto &l : loggers_)
+        {
+            l.second->flush_on(log_level);
+        }
+        flush_level_ = log_level;
+    }
+
+    void flush_every(std::chrono::seconds interval)
+    {
+        std::lock_guard<std::mutex> lock(flusher_mutex_);
+        std::function<void()> clbk = std::bind(&registry::flush_all, this);
+        periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
+    }
+
+    void set_error_handler(log_err_handler handler)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        for (auto &l : loggers_)
+        {
+            l.second->set_error_handler(handler);
+        }
+        err_handler_ = handler;
+    }
+
+    void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        for (auto &l : loggers_)
+        {
+            fun(l.second);
+        }
+    }
+
+    void flush_all()
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        for (auto &l : loggers_)
+        {
+            l.second->flush();
+        }
+    }
+
+    void drop(const std::string &logger_name)
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        loggers_.erase(logger_name);
+    }
+
+    void drop_all()
+    {
+        std::lock_guard<std::mutex> lock(logger_map_mutex_);
+        loggers_.clear();
+    }
+
+    // clean all reasources and threads started by the registry
+    void shutdown()
+    {
+        {
+            std::lock_guard<std::mutex> lock(flusher_mutex_);
+            periodic_flusher_.reset();
+        }
+
+        drop_all();
+
+        {
+            std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
+            tp_.reset();
+        }
+    }
+
+    std::recursive_mutex &tp_mutex()
+    {
+        return tp_mutex_;
+    }
+
+    static registry &instance()
+    {
+        static registry s_instance;
+        return s_instance;
+    }
+
+private:
+    registry()
+        : formatter_(new pattern_formatter("%+"))
+    {
+    }
+
+    ~registry() = default;
+
+    void throw_if_exists_(const std::string &logger_name)
+    {
+        if (loggers_.find(logger_name) != loggers_.end())
+        {
+            throw spdlog_ex("logger with name '" + logger_name + "' already exists");
+        }
+    }
+
+    std::mutex logger_map_mutex_, flusher_mutex_;
+    std::recursive_mutex tp_mutex_;
+    std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
+    std::unique_ptr<formatter> formatter_;
+    level::level_enum level_ = level::info;
+    level::level_enum flush_level_ = level::off;
+    log_err_handler err_handler_;
+    std::shared_ptr<thread_pool> tp_;
+    std::unique_ptr<periodic_worker> periodic_flusher_;
+};
+
+} // namespace details
+} // namespace spdlog

libs/spdlog/details/thread_pool.h

@@ -0,0 +1,228 @@
+#pragma once
+
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/mpmc_blocking_q.h"
+#include "spdlog/details/os.h"
+
+#include <chrono>
+#include <memory>
+#include <thread>
+#include <vector>
+
+namespace spdlog {
+namespace details {
+
+using async_logger_ptr = std::shared_ptr<spdlog::async_logger>;
+
+enum class async_msg_type
+{
+    log,
+    flush,
+    terminate
+};
+
+// Async msg to move to/from the queue
+// Movable only. should never be copied
+struct async_msg
+{
+    async_msg_type msg_type;
+    level::level_enum level;
+    log_clock::time_point time;
+    size_t thread_id;
+    fmt::basic_memory_buffer<char, 176> raw;
+
+    size_t msg_id;
+    async_logger_ptr worker_ptr;
+
+    async_msg() = default;
+    ~async_msg() = default;
+
+    // should only be moved in or out of the queue..
+    async_msg(const async_msg &) = delete;
+
+// support for vs2013 move
+#if defined(_MSC_VER) && _MSC_VER <= 1800
+    async_msg(async_msg &&other) SPDLOG_NOEXCEPT : msg_type(other.msg_type),
+                                                   level(other.level),
+                                                   time(other.time),
+                                                   thread_id(other.thread_id),
+                                                   raw(move(other.raw)),
+                                                   msg_id(other.msg_id),
+                                                   worker_ptr(std::move(other.worker_ptr))
+    {
+    }
+
+    async_msg &operator=(async_msg &&other) SPDLOG_NOEXCEPT
+    {
+        msg_type = other.msg_type;
+        level = other.level;
+        time = other.time;
+        thread_id = other.thread_id;
+        raw = std::move(other.raw);
+        msg_id = other.msg_id;
+        worker_ptr = std::move(other.worker_ptr);
+        return *this;
+    }
+#else // (_MSC_VER) && _MSC_VER <= 1800
+    async_msg(async_msg &&) = default;
+    async_msg &operator=(async_msg &&) = default;
+#endif
+
+    // construct from log_msg with given type
+    async_msg(async_logger_ptr &&worker, async_msg_type the_type, details::log_msg &&m)
+        : msg_type(the_type)
+        , level(m.level)
+        , time(m.time)
+        , thread_id(m.thread_id)
+        , msg_id(m.msg_id)
+        , worker_ptr(std::move(worker))
+    {
+        fmt_helper::append_buf(m.raw, raw);
+    }
+
+    async_msg(async_logger_ptr &&worker, async_msg_type the_type)
+        : async_msg(std::move(worker), the_type, details::log_msg())
+    {
+    }
+
+    explicit async_msg(async_msg_type the_type)
+        : async_msg(nullptr, the_type, details::log_msg())
+    {
+    }
+
+    // copy into log_msg
+    void to_log_msg(log_msg &msg)
+    {
+        msg.logger_name = &worker_ptr->name();
+        msg.level = level;
+        msg.time = time;
+        msg.thread_id = thread_id;
+        fmt_helper::append_buf(raw, msg.raw);
+        msg.msg_id = msg_id;
+        msg.color_range_start = 0;
+        msg.color_range_end = 0;
+    }
+};
+
+class thread_pool
+{
+public:
+    using item_type = async_msg;
+    using q_type = details::mpmc_blocking_queue<item_type>;
+
+    thread_pool(size_t q_max_items, size_t threads_n)
+        : q_(q_max_items)
+    {
+        // std::cout << "thread_pool()  q_size_bytes: " << q_size_bytes <<
+        // "\tthreads_n: " << threads_n << std::endl;
+        if (threads_n == 0 || threads_n > 1000)
+        {
+            throw spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid "
+                            "range is 1-1000)");
+        }
+        for (size_t i = 0; i < threads_n; i++)
+        {
+            threads_.emplace_back(&thread_pool::worker_loop_, this);
+        }
+    }
+
+    // message all threads to terminate gracefully join them
+    ~thread_pool()
+    {
+        try
+        {
+            for (size_t i = 0; i < threads_.size(); i++)
+            {
+                post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block);
+            }
+
+            for (auto &t : threads_)
+            {
+                t.join();
+            }
+        }
+        catch (...)
+        {
+        }
+    }
+
+    thread_pool(const thread_pool &) = delete;
+    thread_pool &operator=(thread_pool &&) = delete;
+
+    void post_log(async_logger_ptr &&worker_ptr, details::log_msg &&msg, async_overflow_policy overflow_policy)
+    {
+        async_msg async_m(std::move(worker_ptr), async_msg_type::log, std::move(msg));
+        post_async_msg_(std::move(async_m), overflow_policy);
+    }
+
+    void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy)
+    {
+        post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy);
+    }
+
+    size_t overrun_counter()
+    {
+        return q_.overrun_counter();
+    }
+
+private:
+    q_type q_;
+
+    std::vector<std::thread> threads_;
+
+    void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy)
+    {
+        if (overflow_policy == async_overflow_policy::block)
+        {
+            q_.enqueue(std::move(new_msg));
+        }
+        else
+        {
+            q_.enqueue_nowait(std::move(new_msg));
+        }
+    }
+
+    void worker_loop_()
+    {
+        while (process_next_msg_()) {};
+    }
+
+    // process next message in the queue
+    // return true if this thread should still be active (while no terminate msg
+    // was received)
+    bool process_next_msg_()
+    {
+        async_msg incoming_async_msg;
+        bool dequeued = q_.dequeue_for(incoming_async_msg, std::chrono::seconds(10));
+        if (!dequeued)
+        {
+            return true;
+        }
+
+        switch (incoming_async_msg.msg_type)
+        {
+        case async_msg_type::log:
+        {
+            log_msg msg;
+            incoming_async_msg.to_log_msg(msg);
+            incoming_async_msg.worker_ptr->backend_log_(msg);
+            return true;
+        }
+        case async_msg_type::flush:
+        {
+            incoming_async_msg.worker_ptr->backend_flush_();
+            return true;
+        }
+
+        case async_msg_type::terminate:
+        {
+            return false;
+        }
+        }
+        assert(false && "Unexpected async_msg_type");
+        return true;
+    }
+};
+
+} // namespace details
+} // namespace spdlog

libs/spdlog/fmt/bin_to_hex.h

@@ -0,0 +1,172 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+//
+// Support for logging binary data as hex
+// format flags:
+// {:X} - print in uppercase.
+// {:s} - don't separate each byte with space.
+// {:p} - don't print the position on each line start.
+// {:n} - don't split the output to lines.
+
+//
+// Examples:
+//
+// std::vector<char> v(200, 0x0b);
+// logger->info("Some buffer {}", spdlog::to_hex(v));
+// char buf[128];
+// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf)));
+
+namespace spdlog {
+namespace details {
+
+template<typename It>
+class bytes_range
+{
+public:
+    bytes_range(It range_begin, It range_end)
+        : begin_(range_begin)
+        , end_(range_end)
+    {
+    }
+
+    It begin() const
+    {
+        return begin_;
+    }
+    It end() const
+    {
+        return end_;
+    }
+
+private:
+    It begin_, end_;
+};
+} // namespace details
+
+// create a bytes_range that wraps the given container
+template<typename Container>
+inline details::bytes_range<typename Container::const_iterator> to_hex(const Container &container)
+{
+    static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1");
+    using Iter = typename Container::const_iterator;
+    return details::bytes_range<Iter>(std::begin(container), std::end(container));
+}
+
+// create bytes_range from ranges
+template<typename It>
+inline details::bytes_range<It> to_hex(const It range_begin, const It range_end)
+{
+    return details::bytes_range<It>(range_begin, range_end);
+}
+
+} // namespace spdlog
+
+namespace fmt {
+
+template<typename T>
+struct formatter<spdlog::details::bytes_range<T>>
+{
+    const std::size_t line_size = 100;
+    const char delimiter = ' ';
+
+    bool put_newlines = true;
+    bool put_delimiters = true;
+    bool use_uppercase = false;
+    bool put_positions = true; // position on start of each line
+
+    // parse the format string flags
+    template<typename ParseContext>
+    auto parse(ParseContext &ctx) -> decltype(ctx.begin())
+    {
+        auto it = ctx.begin();
+        while (*it && *it != '}')
+        {
+            switch (*it)
+            {
+            case 'X':
+                use_uppercase = true;
+                break;
+            case 's':
+                put_delimiters = false;
+                break;
+            case 'p':
+                put_positions = false;
+                break;
+            case 'n':
+                put_newlines = false;
+                break;
+            }
+
+            ++it;
+        }
+        return it;
+    }
+
+    // format the given bytes range as hex
+    template<typename FormatContext, typename Container>
+    auto format(const spdlog::details::bytes_range<Container> &the_range, FormatContext &ctx) -> decltype(ctx.out())
+    {
+        constexpr const char *hex_upper = "0123456789ABCDEF";
+        constexpr const char *hex_lower = "0123456789abcdef";
+        const char *hex_chars = use_uppercase ? hex_upper : hex_lower;
+
+        std::size_t pos = 0;
+        std::size_t column = line_size;
+        auto inserter = ctx.begin();
+
+        for (auto &item : the_range)
+        {
+            auto ch = static_cast<unsigned char>(item);
+            pos++;
+
+            if (put_newlines && column >= line_size)
+            {
+                column = put_newline(inserter, pos);
+
+                // put first byte without delimiter in front of it
+                *inserter++ = hex_chars[(ch >> 4) & 0x0f];
+                *inserter++ = hex_chars[ch & 0x0f];
+                column += 2;
+                continue;
+            }
+
+            if (put_delimiters)
+            {
+                *inserter++ = delimiter;
+                ++column;
+            }
+
+            *inserter++ = hex_chars[(ch >> 4) & 0x0f];
+            *inserter++ = hex_chars[ch & 0x0f];
+            column += 2;
+        }
+        return inserter;
+    }
+
+    // put newline(and position header)
+    // return the next column
+    template<typename It>
+    std::size_t put_newline(It inserter, std::size_t pos)
+    {
+#ifdef _WIN32
+        *inserter++ = '\r';
+#endif
+        *inserter++ = '\n';
+
+        if (put_positions)
+        {
+            fmt::format_to(inserter, "{:<04X}: ", pos - 1);
+            return 7;
+        }
+        else
+        {
+            return 1;
+        }
+    }
+};
+} // namespace fmt

libs/spdlog/fmt/bundled/LICENSE.rst

@@ -0,0 +1,23 @@
+Copyright (c) 2012 - 2016, Victor Zverovich
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

libs/spdlog/fmt/bundled/colors.h

@@ -0,0 +1,257 @@
+// Formatting library for C++ - the core API
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+//
+// Copyright (c) 2018 - present, Remotion (Igor Schulz)
+// All Rights Reserved
+// {fmt} support for rgb color output.
+
+#ifndef FMT_COLORS_H_
+#define FMT_COLORS_H_
+
+#include "format.h"
+
+FMT_BEGIN_NAMESPACE
+
+// rgb is a struct for red, green and blue colors.
+// We use rgb as name because some editors will show it as color direct in the
+// editor.
+struct rgb
+{
+    FMT_CONSTEXPR_DECL rgb()
+        : r(0)
+        , g(0)
+        , b(0)
+    {
+    }
+    FMT_CONSTEXPR_DECL rgb(uint8_t r_, uint8_t g_, uint8_t b_)
+        : r(r_)
+        , g(g_)
+        , b(b_)
+    {
+    }
+    FMT_CONSTEXPR_DECL rgb(uint32_t hex)
+        : r((hex >> 16) & 0xFF)
+        , g((hex >> 8) & 0xFF)
+        , b((hex)&0xFF)
+    {
+    }
+    uint8_t r;
+    uint8_t g;
+    uint8_t b;
+};
+
+namespace internal {
+
+FMT_CONSTEXPR inline void to_esc(uint8_t c, char out[], int offset)
+{
+    out[offset + 0] = static_cast<char>('0' + c / 100);
+    out[offset + 1] = static_cast<char>('0' + c / 10 % 10);
+    out[offset + 2] = static_cast<char>('0' + c % 10);
+}
+
+} // namespace internal
+
+FMT_FUNC void vprint_rgb(rgb fd, string_view format, format_args args)
+{
+    char escape_fd[] = "\x1b[38;2;000;000;000m";
+    static FMT_CONSTEXPR_DECL const char RESET_COLOR[] = "\x1b[0m";
+    internal::to_esc(fd.r, escape_fd, 7);
+    internal::to_esc(fd.g, escape_fd, 11);
+    internal::to_esc(fd.b, escape_fd, 15);
+
+    std::fputs(escape_fd, stdout);
+    vprint(format, args);
+    std::fputs(RESET_COLOR, stdout);
+}
+
+FMT_FUNC void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args)
+{
+    char escape_fd[] = "\x1b[38;2;000;000;000m"; // foreground color
+    char escape_bg[] = "\x1b[48;2;000;000;000m"; // background color
+    static FMT_CONSTEXPR_DECL const char RESET_COLOR[] = "\x1b[0m";
+    internal::to_esc(fd.r, escape_fd, 7);
+    internal::to_esc(fd.g, escape_fd, 11);
+    internal::to_esc(fd.b, escape_fd, 15);
+
+    internal::to_esc(bg.r, escape_bg, 7);
+    internal::to_esc(bg.g, escape_bg, 11);
+    internal::to_esc(bg.b, escape_bg, 15);
+
+    std::fputs(escape_fd, stdout);
+    std::fputs(escape_bg, stdout);
+    vprint(format, args);
+    std::fputs(RESET_COLOR, stdout);
+}
+
+template<typename... Args>
+inline void print_rgb(rgb fd, string_view format_str, const Args &... args)
+{
+    vprint_rgb(fd, format_str, make_format_args(args...));
+}
+
+// rgb foreground color
+template<typename... Args>
+inline void print(rgb fd, string_view format_str, const Args &... args)
+{
+    vprint_rgb(fd, format_str, make_format_args(args...));
+}
+
+// rgb foreground color and background color
+template<typename... Args>
+inline void print(rgb fd, rgb bg, string_view format_str, const Args &... args)
+{
+    vprint_rgb(fd, bg, format_str, make_format_args(args...));
+}
+
+enum class color : uint32_t
+{
+    alice_blue = 0xF0F8FF,              // rgb(240,248,255)
+    antique_white = 0xFAEBD7,           // rgb(250,235,215)
+    aqua = 0x00FFFF,                    // rgb(0,255,255)
+    aquamarine = 0x7FFFD4,              // rgb(127,255,212)
+    azure = 0xF0FFFF,                   // rgb(240,255,255)
+    beige = 0xF5F5DC,                   // rgb(245,245,220)
+    bisque = 0xFFE4C4,                  // rgb(255,228,196)
+    black = 0x000000,                   // rgb(0,0,0)
+    blanched_almond = 0xFFEBCD,         // rgb(255,235,205)
+    blue = 0x0000FF,                    // rgb(0,0,255)
+    blue_violet = 0x8A2BE2,             // rgb(138,43,226)
+    brown = 0xA52A2A,                   // rgb(165,42,42)
+    burly_wood = 0xDEB887,              // rgb(222,184,135)
+    cadet_blue = 0x5F9EA0,              // rgb(95,158,160)
+    chartreuse = 0x7FFF00,              // rgb(127,255,0)
+    chocolate = 0xD2691E,               // rgb(210,105,30)
+    coral = 0xFF7F50,                   // rgb(255,127,80)
+    cornflower_blue = 0x6495ED,         // rgb(100,149,237)
+    cornsilk = 0xFFF8DC,                // rgb(255,248,220)
+    crimson = 0xDC143C,                 // rgb(220,20,60)
+    cyan = 0x00FFFF,                    // rgb(0,255,255)
+    dark_blue = 0x00008B,               // rgb(0,0,139)
+    dark_cyan = 0x008B8B,               // rgb(0,139,139)
+    dark_golden_rod = 0xB8860B,         // rgb(184,134,11)
+    dark_gray = 0xA9A9A9,               // rgb(169,169,169)
+    dark_green = 0x006400,              // rgb(0,100,0)
+    dark_khaki = 0xBDB76B,              // rgb(189,183,107)
+    dark_magenta = 0x8B008B,            // rgb(139,0,139)
+    dark_olive_green = 0x556B2F,        // rgb(85,107,47)
+    dark_orange = 0xFF8C00,             // rgb(255,140,0)
+    dark_orchid = 0x9932CC,             // rgb(153,50,204)
+    dark_red = 0x8B0000,                // rgb(139,0,0)
+    dark_salmon = 0xE9967A,             // rgb(233,150,122)
+    dark_sea_green = 0x8FBC8F,          // rgb(143,188,143)
+    dark_slate_blue = 0x483D8B,         // rgb(72,61,139)
+    dark_slate_gray = 0x2F4F4F,         // rgb(47,79,79)
+    dark_turquoise = 0x00CED1,          // rgb(0,206,209)
+    dark_violet = 0x9400D3,             // rgb(148,0,211)
+    deep_pink = 0xFF1493,               // rgb(255,20,147)
+    deep_sky_blue = 0x00BFFF,           // rgb(0,191,255)
+    dim_gray = 0x696969,                // rgb(105,105,105)
+    dodger_blue = 0x1E90FF,             // rgb(30,144,255)
+    fire_brick = 0xB22222,              // rgb(178,34,34)
+    floral_white = 0xFFFAF0,            // rgb(255,250,240)
+    forest_green = 0x228B22,            // rgb(34,139,34)
+    fuchsia = 0xFF00FF,                 // rgb(255,0,255)
+    gainsboro = 0xDCDCDC,               // rgb(220,220,220)
+    ghost_white = 0xF8F8FF,             // rgb(248,248,255)
+    gold = 0xFFD700,                    // rgb(255,215,0)
+    golden_rod = 0xDAA520,              // rgb(218,165,32)
+    gray = 0x808080,                    // rgb(128,128,128)
+    green = 0x008000,                   // rgb(0,128,0)
+    green_yellow = 0xADFF2F,            // rgb(173,255,47)
+    honey_dew = 0xF0FFF0,               // rgb(240,255,240)
+    hot_pink = 0xFF69B4,                // rgb(255,105,180)
+    indian_red = 0xCD5C5C,              // rgb(205,92,92)
+    indigo = 0x4B0082,                  // rgb(75,0,130)
+    ivory = 0xFFFFF0,                   // rgb(255,255,240)
+    khaki = 0xF0E68C,                   // rgb(240,230,140)
+    lavender = 0xE6E6FA,                // rgb(230,230,250)
+    lavender_blush = 0xFFF0F5,          // rgb(255,240,245)
+    lawn_green = 0x7CFC00,              // rgb(124,252,0)
+    lemon_chiffon = 0xFFFACD,           // rgb(255,250,205)
+    light_blue = 0xADD8E6,              // rgb(173,216,230)
+    light_coral = 0xF08080,             // rgb(240,128,128)
+    light_cyan = 0xE0FFFF,              // rgb(224,255,255)
+    light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
+    light_gray = 0xD3D3D3,              // rgb(211,211,211)
+    light_green = 0x90EE90,             // rgb(144,238,144)
+    light_pink = 0xFFB6C1,              // rgb(255,182,193)
+    light_salmon = 0xFFA07A,            // rgb(255,160,122)
+    light_sea_green = 0x20B2AA,         // rgb(32,178,170)
+    light_sky_blue = 0x87CEFA,          // rgb(135,206,250)
+    light_slate_gray = 0x778899,        // rgb(119,136,153)
+    light_steel_blue = 0xB0C4DE,        // rgb(176,196,222)
+    light_yellow = 0xFFFFE0,            // rgb(255,255,224)
+    lime = 0x00FF00,                    // rgb(0,255,0)
+    lime_green = 0x32CD32,              // rgb(50,205,50)
+    linen = 0xFAF0E6,                   // rgb(250,240,230)
+    magenta = 0xFF00FF,                 // rgb(255,0,255)
+    maroon = 0x800000,                  // rgb(128,0,0)
+    medium_aqua_marine = 0x66CDAA,      // rgb(102,205,170)
+    medium_blue = 0x0000CD,             // rgb(0,0,205)
+    medium_orchid = 0xBA55D3,           // rgb(186,85,211)
+    medium_purple = 0x9370DB,           // rgb(147,112,219)
+    medium_sea_green = 0x3CB371,        // rgb(60,179,113)
+    medium_slate_blue = 0x7B68EE,       // rgb(123,104,238)
+    medium_spring_green = 0x00FA9A,     // rgb(0,250,154)
+    medium_turquoise = 0x48D1CC,        // rgb(72,209,204)
+    medium_violet_red = 0xC71585,       // rgb(199,21,133)
+    midnight_blue = 0x191970,           // rgb(25,25,112)
+    mint_cream = 0xF5FFFA,              // rgb(245,255,250)
+    misty_rose = 0xFFE4E1,              // rgb(255,228,225)
+    moccasin = 0xFFE4B5,                // rgb(255,228,181)
+    navajo_white = 0xFFDEAD,            // rgb(255,222,173)
+    navy = 0x000080,                    // rgb(0,0,128)
+    old_lace = 0xFDF5E6,                // rgb(253,245,230)
+    olive = 0x808000,                   // rgb(128,128,0)
+    olive_drab = 0x6B8E23,              // rgb(107,142,35)
+    orange = 0xFFA500,                  // rgb(255,165,0)
+    orange_red = 0xFF4500,              // rgb(255,69,0)
+    orchid = 0xDA70D6,                  // rgb(218,112,214)
+    pale_golden_rod = 0xEEE8AA,         // rgb(238,232,170)
+    pale_green = 0x98FB98,              // rgb(152,251,152)
+    pale_turquoise = 0xAFEEEE,          // rgb(175,238,238)
+    pale_violet_red = 0xDB7093,         // rgb(219,112,147)
+    papaya_whip = 0xFFEFD5,             // rgb(255,239,213)
+    peach_puff = 0xFFDAB9,              // rgb(255,218,185)
+    peru = 0xCD853F,                    // rgb(205,133,63)
+    pink = 0xFFC0CB,                    // rgb(255,192,203)
+    plum = 0xDDA0DD,                    // rgb(221,160,221)
+    powder_blue = 0xB0E0E6,             // rgb(176,224,230)
+    purple = 0x800080,                  // rgb(128,0,128)
+    rebecca_purple = 0x663399,          // rgb(102,51,153)
+    red = 0xFF0000,                     // rgb(255,0,0)
+    rosy_brown = 0xBC8F8F,              // rgb(188,143,143)
+    royal_blue = 0x4169E1,              // rgb(65,105,225)
+    saddle_brown = 0x8B4513,            // rgb(139,69,19)
+    salmon = 0xFA8072,                  // rgb(250,128,114)
+    sandy_brown = 0xF4A460,             // rgb(244,164,96)
+    sea_green = 0x2E8B57,               // rgb(46,139,87)
+    sea_shell = 0xFFF5EE,               // rgb(255,245,238)
+    sienna = 0xA0522D,                  // rgb(160,82,45)
+    silver = 0xC0C0C0,                  // rgb(192,192,192)
+    sky_blue = 0x87CEEB,                // rgb(135,206,235)
+    slate_blue = 0x6A5ACD,              // rgb(106,90,205)
+    slate_gray = 0x708090,              // rgb(112,128,144)
+    snow = 0xFFFAFA,                    // rgb(255,250,250)
+    spring_green = 0x00FF7F,            // rgb(0,255,127)
+    steel_blue = 0x4682B4,              // rgb(70,130,180)
+    tan = 0xD2B48C,                     // rgb(210,180,140)
+    teal = 0x008080,                    // rgb(0,128,128)
+    thistle = 0xD8BFD8,                 // rgb(216,191,216)
+    tomato = 0xFF6347,                  // rgb(255,99,71)
+    turquoise = 0x40E0D0,               // rgb(64,224,208)
+    violet = 0xEE82EE,                  // rgb(238,130,238)
+    wheat = 0xF5DEB3,                   // rgb(245,222,179)
+    white = 0xFFFFFF,                   // rgb(255,255,255)
+    white_smoke = 0xF5F5F5,             // rgb(245,245,245)
+    yellow = 0xFFFF00,                  // rgb(255,255,0)
+    yellow_green = 0x9ACD32,            // rgb(154,205,50)
+};                                      // enum class colors
+
+FMT_END_NAMESPACE
+
+#endif // FMT_COLORS_H_

libs/spdlog/fmt/bundled/format-inl.h

@@ -0,0 +1,866 @@
+// Formatting library for C++
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_FORMAT_INL_H_
+#define FMT_FORMAT_INL_H_
+
+#include "format.h"
+
+#include <string.h>
+
+#include <cctype>
+#include <cerrno>
+#include <climits>
+#include <cmath>
+#include <cstdarg>
+#include <cstddef>  // for std::ptrdiff_t
+#include <cstring>  // for std::memmove
+#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+# include <locale>
+#endif
+
+#if FMT_USE_WINDOWS_H
+# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN)
+#  define WIN32_LEAN_AND_MEAN
+# endif
+# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX)
+#  include <windows.h>
+# else
+#  define NOMINMAX
+#  include <windows.h>
+#  undef NOMINMAX
+# endif
+#endif
+
+#if FMT_EXCEPTIONS
+# define FMT_TRY try
+# define FMT_CATCH(x) catch (x)
+#else
+# define FMT_TRY if (true)
+# define FMT_CATCH(x) if (false)
+#endif
+
+#ifdef _MSC_VER
+# pragma warning(push)
+# pragma warning(disable: 4127)  // conditional expression is constant
+# pragma warning(disable: 4702)  // unreachable code
+// Disable deprecation warning for strerror. The latter is not called but
+// MSVC fails to detect it.
+# pragma warning(disable: 4996)
+#endif
+
+// Dummy implementations of strerror_r and strerror_s called if corresponding
+// system functions are not available.
+inline fmt::internal::null<> strerror_r(int, char *, ...) {
+  return fmt::internal::null<>();
+}
+inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) {
+  return fmt::internal::null<>();
+}
+
+FMT_BEGIN_NAMESPACE
+
+namespace {
+
+#ifndef _MSC_VER
+# define FMT_SNPRINTF snprintf
+#else  // _MSC_VER
+inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
+  va_list args;
+  va_start(args, format);
+  int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
+  va_end(args);
+  return result;
+}
+# define FMT_SNPRINTF fmt_snprintf
+#endif  // _MSC_VER
+
+#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
+# define FMT_SWPRINTF snwprintf
+#else
+# define FMT_SWPRINTF swprintf
+#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
+
+typedef void (*FormatFunc)(internal::buffer &, int, string_view);
+
+// Portable thread-safe version of strerror.
+// Sets buffer to point to a string describing the error code.
+// This can be either a pointer to a string stored in buffer,
+// or a pointer to some static immutable string.
+// Returns one of the following values:
+//   0      - success
+//   ERANGE - buffer is not large enough to store the error message
+//   other  - failure
+// Buffer should be at least of size 1.
+int safe_strerror(
+    int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT {
+  FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer");
+
+  class dispatcher {
+   private:
+    int error_code_;
+    char *&buffer_;
+    std::size_t buffer_size_;
+
+    // A noop assignment operator to avoid bogus warnings.
+    void operator=(const dispatcher &) {}
+
+    // Handle the result of XSI-compliant version of strerror_r.
+    int handle(int result) {
+      // glibc versions before 2.13 return result in errno.
+      return result == -1 ? errno : result;
+    }
+
+    // Handle the result of GNU-specific version of strerror_r.
+    int handle(char *message) {
+      // If the buffer is full then the message is probably truncated.
+      if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
+        return ERANGE;
+      buffer_ = message;
+      return 0;
+    }
+
+    // Handle the case when strerror_r is not available.
+    int handle(internal::null<>) {
+      return fallback(strerror_s(buffer_, buffer_size_, error_code_));
+    }
+
+    // Fallback to strerror_s when strerror_r is not available.
+    int fallback(int result) {
+      // If the buffer is full then the message is probably truncated.
+      return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
+            ERANGE : result;
+    }
+
+    // Fallback to strerror if strerror_r and strerror_s are not available.
+    int fallback(internal::null<>) {
+      errno = 0;
+      buffer_ = strerror(error_code_);
+      return errno;
+    }
+
+   public:
+    dispatcher(int err_code, char *&buf, std::size_t buf_size)
+      : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
+
+    int run() {
+      return handle(strerror_r(error_code_, buffer_, buffer_size_));
+    }
+  };
+  return dispatcher(error_code, buffer, buffer_size).run();
+}
+
+void format_error_code(internal::buffer &out, int error_code,
+                       string_view message) FMT_NOEXCEPT {
+  // Report error code making sure that the output fits into
+  // inline_buffer_size to avoid dynamic memory allocation and potential
+  // bad_alloc.
+  out.resize(0);
+  static const char SEP[] = ": ";
+  static const char ERROR_STR[] = "error ";
+  // Subtract 2 to account for terminating null characters in SEP and ERROR_STR.
+  std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
+  typedef internal::int_traits<int>::main_type main_type;
+  main_type abs_value = static_cast<main_type>(error_code);
+  if (internal::is_negative(error_code)) {
+    abs_value = 0 - abs_value;
+    ++error_code_size;
+  }
+  error_code_size += internal::count_digits(abs_value);
+  writer w(out);
+  if (message.size() <= inline_buffer_size - error_code_size) {
+    w.write(message);
+    w.write(SEP);
+  }
+  w.write(ERROR_STR);
+  w.write(error_code);
+  assert(out.size() <= inline_buffer_size);
+}
+
+void report_error(FormatFunc func, int error_code,
+                  string_view message) FMT_NOEXCEPT {
+  memory_buffer full_message;
+  func(full_message, error_code, message);
+  // Use Writer::data instead of Writer::c_str to avoid potential memory
+  // allocation.
+  std::fwrite(full_message.data(), full_message.size(), 1, stderr);
+  std::fputc('\n', stderr);
+}
+}  // namespace
+
+#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+class locale {
+ private:
+  std::locale locale_;
+
+ public:
+  explicit locale(std::locale loc = std::locale()) : locale_(loc) {}
+  std::locale get() { return locale_; }
+};
+
+FMT_FUNC size_t internal::count_code_points(u8string_view s) {
+  const char8_t *data = s.data();
+  int num_code_points = 0;
+  for (size_t i = 0, size = s.size(); i != size; ++i) {
+    if ((data[i].value & 0xc0) != 0x80)
+      ++num_code_points;
+  }
+  return num_code_points;
+}
+
+template <typename Char>
+FMT_FUNC Char internal::thousands_sep(locale_provider *lp) {
+  std::locale loc = lp ? lp->locale().get() : std::locale();
+  return std::use_facet<std::numpunct<Char>>(loc).thousands_sep();
+}
+#else
+template <typename Char>
+FMT_FUNC Char internal::thousands_sep(locale_provider *lp) {
+  return FMT_STATIC_THOUSANDS_SEPARATOR;
+}
+#endif
+
+FMT_FUNC void system_error::init(
+    int err_code, string_view format_str, format_args args) {
+  error_code_ = err_code;
+  memory_buffer buffer;
+  format_system_error(buffer, err_code, vformat(format_str, args));
+  std::runtime_error &base = *this;
+  base = std::runtime_error(to_string(buffer));
+}
+
+namespace internal {
+template <typename T>
+int char_traits<char>::format_float(
+    char *buffer, std::size_t size, const char *format, int precision, T value) {
+  return precision < 0 ?
+      FMT_SNPRINTF(buffer, size, format, value) :
+      FMT_SNPRINTF(buffer, size, format, precision, value);
+}
+
+template <typename T>
+int char_traits<wchar_t>::format_float(
+    wchar_t *buffer, std::size_t size, const wchar_t *format, int precision,
+    T value) {
+  return precision < 0 ?
+      FMT_SWPRINTF(buffer, size, format, value) :
+      FMT_SWPRINTF(buffer, size, format, precision, value);
+}
+
+template <typename T>
+const char basic_data<T>::DIGITS[] =
+    "0001020304050607080910111213141516171819"
+    "2021222324252627282930313233343536373839"
+    "4041424344454647484950515253545556575859"
+    "6061626364656667686970717273747576777879"
+    "8081828384858687888990919293949596979899";
+
+#define FMT_POWERS_OF_10(factor) \
+  factor * 10, \
+  factor * 100, \
+  factor * 1000, \
+  factor * 10000, \
+  factor * 100000, \
+  factor * 1000000, \
+  factor * 10000000, \
+  factor * 100000000, \
+  factor * 1000000000
+
+template <typename T>
+const uint32_t basic_data<T>::POWERS_OF_10_32[] = {
+  1, FMT_POWERS_OF_10(1)
+};
+
+template <typename T>
+const uint32_t basic_data<T>::ZERO_OR_POWERS_OF_10_32[] = {
+  0, FMT_POWERS_OF_10(1)
+};
+
+template <typename T>
+const uint64_t basic_data<T>::ZERO_OR_POWERS_OF_10_64[] = {
+  0,
+  FMT_POWERS_OF_10(1),
+  FMT_POWERS_OF_10(1000000000ull),
+  10000000000000000000ull
+};
+
+// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340.
+// These are generated by support/compute-powers.py.
+template <typename T>
+const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {
+  0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76,
+  0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df,
+  0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c,
+  0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5,
+  0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57,
+  0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7,
+  0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e,
+  0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996,
+  0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126,
+  0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053,
+  0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f,
+  0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b,
+  0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06,
+  0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb,
+  0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000,
+  0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984,
+  0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068,
+  0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8,
+  0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758,
+  0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85,
+  0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d,
+  0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25,
+  0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2,
+  0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a,
+  0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410,
+  0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129,
+  0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85,
+  0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841,
+  0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b,
+};
+
+// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding
+// to significands above.
+template <typename T>
+const int16_t basic_data<T>::POW10_EXPONENTS[] = {
+  -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007,  -980,  -954,
+   -927,  -901,  -874,  -847,  -821,  -794,  -768,  -741,  -715,  -688,  -661,
+   -635,  -608,  -582,  -555,  -529,  -502,  -475,  -449,  -422,  -396,  -369,
+   -343,  -316,  -289,  -263,  -236,  -210,  -183,  -157,  -130,  -103,   -77,
+    -50,   -24,     3,    30,    56,    83,   109,   136,   162,   189,   216,
+    242,   269,   295,   322,   348,   375,   402,   428,   455,   481,   508,
+    534,   561,   588,   614,   641,   667,   694,   720,   747,   774,   800,
+    827,   853,   880,   907,   933,   960,   986,  1013,  1039,  1066
+};
+
+template <typename T> const char basic_data<T>::RESET_COLOR[] = "\x1b[0m";
+template <typename T> const wchar_t basic_data<T>::WRESET_COLOR[] = L"\x1b[0m";
+
+// A handmade floating-point number f * pow(2, e).
+class fp {
+ private:
+  typedef uint64_t significand_type;
+
+  // All sizes are in bits.
+  static FMT_CONSTEXPR_DECL const int char_size =
+    std::numeric_limits<unsigned char>::digits;
+  // Subtract 1 to account for an implicit most significant bit in the
+  // normalized form.
+  static FMT_CONSTEXPR_DECL const int double_significand_size =
+    std::numeric_limits<double>::digits - 1;
+  static FMT_CONSTEXPR_DECL const uint64_t implicit_bit =
+    1ull << double_significand_size;
+
+ public:
+  significand_type f;
+  int e;
+
+  static FMT_CONSTEXPR_DECL const int significand_size =
+    sizeof(significand_type) * char_size;
+
+  fp(): f(0), e(0) {}
+  fp(uint64_t f, int e): f(f), e(e) {}
+
+  // Constructs fp from an IEEE754 double. It is a template to prevent compile
+  // errors on platforms where double is not IEEE754.
+  template <typename Double>
+  explicit fp(Double d) {
+    // Assume double is in the format [sign][exponent][significand].
+    typedef std::numeric_limits<Double> limits;
+    const int double_size = static_cast<int>(sizeof(Double) * char_size);
+    const int exponent_size =
+      double_size - double_significand_size - 1;  // -1 for sign
+    const uint64_t significand_mask = implicit_bit - 1;
+    const uint64_t exponent_mask = (~0ull >> 1) & ~significand_mask;
+    const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1;
+    auto u = bit_cast<uint64_t>(d);
+    auto biased_e = (u & exponent_mask) >> double_significand_size;
+    f = u & significand_mask;
+    if (biased_e != 0)
+      f += implicit_bit;
+    else
+      biased_e = 1;  // Subnormals use biased exponent 1 (min exponent).
+    e = static_cast<int>(biased_e - exponent_bias - double_significand_size);
+  }
+
+  // Normalizes the value converted from double and multiplied by (1 << SHIFT).
+  template <int SHIFT = 0>
+  void normalize() {
+    // Handle subnormals.
+    auto shifted_implicit_bit = implicit_bit << SHIFT;
+    while ((f & shifted_implicit_bit) == 0) {
+      f <<= 1;
+      --e;
+    }
+    // Subtract 1 to account for hidden bit.
+    auto offset = significand_size - double_significand_size - SHIFT - 1;
+    f <<= offset;
+    e -= offset;
+  }
+
+  // Compute lower and upper boundaries (m^- and m^+ in the Grisu paper), where
+  // a boundary is a value half way between the number and its predecessor
+  // (lower) or successor (upper). The upper boundary is normalized and lower
+  // has the same exponent but may be not normalized.
+  void compute_boundaries(fp &lower, fp &upper) const {
+    lower = f == implicit_bit ?
+          fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1);
+    upper = fp((f << 1) + 1, e - 1);
+    upper.normalize<1>();  // 1 is to account for the exponent shift above.
+    lower.f <<= lower.e - upper.e;
+    lower.e = upper.e;
+  }
+};
+
+// Returns an fp number representing x - y. Result may not be normalized.
+inline fp operator-(fp x, fp y) {
+  FMT_ASSERT(x.f >= y.f && x.e == y.e, "invalid operands");
+  return fp(x.f - y.f, x.e);
+}
+
+// Computes an fp number r with r.f = x.f * y.f / pow(2, 64) rounded to nearest
+// with half-up tie breaking, r.e = x.e + y.e + 64. Result may not be normalized.
+FMT_API fp operator*(fp x, fp y);
+
+// Returns cached power (of 10) c_k = c_k.f * pow(2, c_k.e) such that its
+// (binary) exponent satisfies min_exponent <= c_k.e <= min_exponent + 3.
+FMT_API fp get_cached_power(int min_exponent, int &pow10_exponent);
+
+FMT_FUNC fp operator*(fp x, fp y) {
+  // Multiply 32-bit parts of significands.
+  uint64_t mask = (1ULL << 32) - 1;
+  uint64_t a = x.f >> 32, b = x.f & mask;
+  uint64_t c = y.f >> 32, d = y.f & mask;
+  uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d;
+  // Compute mid 64-bit of result and round.
+  uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31);
+  return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64);
+}
+
+FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) {
+  const double one_over_log2_10 = 0.30102999566398114;  // 1 / log2(10)
+  int index = static_cast<int>(std::ceil(
+        (min_exponent + fp::significand_size - 1) * one_over_log2_10));
+  // Decimal exponent of the first (smallest) cached power of 10.
+  const int first_dec_exp = -348;
+  // Difference between 2 consecutive decimal exponents in cached powers of 10.
+  const int dec_exp_step = 8;
+  index = (index - first_dec_exp - 1) / dec_exp_step + 1;
+  pow10_exponent = first_dec_exp + index * dec_exp_step;
+  return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]);
+}
+
+// Generates output using Grisu2 digit-gen algorithm.
+FMT_FUNC void grisu2_gen_digits(
+    const fp &scaled_value, const fp &scaled_upper, uint64_t delta,
+    char *buffer, size_t &size, int &dec_exp) {
+  internal::fp one(1ull << -scaled_upper.e, scaled_upper.e);
+  // hi (p1 in Grisu) contains the most significant digits of scaled_upper.
+  // hi = floor(scaled_upper / one).
+  uint32_t hi = static_cast<uint32_t>(scaled_upper.f >> -one.e);
+  // lo (p2 in Grisu) contains the least significants digits of scaled_upper.
+  // lo = scaled_upper mod 1.
+  uint64_t lo = scaled_upper.f & (one.f - 1);
+  size = 0;
+  auto exp = count_digits(hi);  // kappa in Grisu.
+  while (exp > 0) {
+    uint32_t digit = 0;
+    // This optimization by miloyip reduces the number of integer divisions by
+    // one per iteration.
+    switch (exp) {
+    case 10: digit = hi / 1000000000; hi %= 1000000000; break;
+    case  9: digit = hi /  100000000; hi %=  100000000; break;
+    case  8: digit = hi /   10000000; hi %=   10000000; break;
+    case  7: digit = hi /    1000000; hi %=    1000000; break;
+    case  6: digit = hi /     100000; hi %=     100000; break;
+    case  5: digit = hi /      10000; hi %=      10000; break;
+    case  4: digit = hi /       1000; hi %=       1000; break;
+    case  3: digit = hi /        100; hi %=        100; break;
+    case  2: digit = hi /         10; hi %=         10; break;
+    case  1: digit = hi;              hi =           0; break;
+    default:
+      FMT_ASSERT(false, "invalid number of digits");
+    }
+    if (digit != 0 || size != 0)
+      buffer[size++] = static_cast<char>('0' + digit);
+    --exp;
+    uint64_t remainder = (static_cast<uint64_t>(hi) << -one.e) + lo;
+    if (remainder <= delta) {
+      dec_exp += exp;
+      // TODO: use scaled_value
+      (void)scaled_value;
+      return;
+    }
+  }
+  for (;;) {
+    lo *= 10;
+    delta *= 10;
+    char digit = static_cast<char>(lo >> -one.e);
+    if (digit != 0 || size != 0)
+      buffer[size++] = static_cast<char>('0' + digit);
+    lo &= one.f - 1;
+    --exp;
+    if (lo < delta) {
+      dec_exp += exp;
+      return;
+    }
+  }
+}
+
+FMT_FUNC void grisu2_format_positive(double value, char *buffer, size_t &size,
+                                     int &dec_exp) {
+  FMT_ASSERT(value > 0, "value is nonpositive");
+  fp fp_value(value);
+  fp lower, upper;  // w^- and w^+ in the Grisu paper.
+  fp_value.compute_boundaries(lower, upper);
+  // Find a cached power of 10 close to 1 / upper.
+  const int min_exp = -60;  // alpha in Grisu.
+  auto dec_pow = get_cached_power(  // \tilde{c}_{-k} in Grisu.
+      min_exp - (upper.e + fp::significand_size), dec_exp);
+  dec_exp = -dec_exp;
+  fp_value.normalize();
+  fp scaled_value = fp_value * dec_pow;
+  fp scaled_lower = lower * dec_pow;  // \tilde{M}^- in Grisu.
+  fp scaled_upper = upper * dec_pow;  // \tilde{M}^+ in Grisu.
+  ++scaled_lower.f;  // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}.
+  --scaled_upper.f;  // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}.
+  uint64_t delta = scaled_upper.f - scaled_lower.f;
+  grisu2_gen_digits(scaled_value, scaled_upper, delta, buffer, size, dec_exp);
+}
+
+FMT_FUNC void round(char *buffer, size_t &size, int &exp,
+                    int digits_to_remove) {
+  size -= to_unsigned(digits_to_remove);
+  exp += digits_to_remove;
+  int digit = buffer[size] - '0';
+  // TODO: proper rounding and carry
+  if (digit > 5 || (digit == 5 && (digits_to_remove > 1 ||
+                                   (buffer[size - 1] - '0') % 2) != 0)) {
+    ++buffer[size - 1];
+  }
+}
+
+// Writes the exponent exp in the form "[+-]d{1,3}" to buffer.
+FMT_FUNC char *write_exponent(char *buffer, int exp) {
+  FMT_ASSERT(-1000 < exp && exp < 1000, "exponent out of range");
+  if (exp < 0) {
+    *buffer++ = '-';
+    exp = -exp;
+  } else {
+    *buffer++ = '+';
+  }
+  if (exp >= 100) {
+    *buffer++ = static_cast<char>('0' + exp / 100);
+    exp %= 100;
+    const char *d = data::DIGITS + exp * 2;
+    *buffer++ = d[0];
+    *buffer++ = d[1];
+  } else {
+    const char *d = data::DIGITS + exp * 2;
+    *buffer++ = d[0];
+    *buffer++ = d[1];
+  }
+  return buffer;
+}
+
+FMT_FUNC void format_exp_notation(
+    char *buffer, size_t &size, int exp, int precision, bool upper) {
+  // Insert a decimal point after the first digit and add an exponent.
+  std::memmove(buffer + 2, buffer + 1, size - 1);
+  buffer[1] = '.';
+  exp += static_cast<int>(size) - 1;
+  int num_digits = precision - static_cast<int>(size) + 1;
+  if (num_digits > 0) {
+    std::uninitialized_fill_n(buffer + size + 1, num_digits, '0');
+    size += to_unsigned(num_digits);
+  } else if (num_digits < 0) {
+    round(buffer, size, exp, -num_digits);
+  }
+  char *p = buffer + size + 1;
+  *p++ = upper ? 'E' : 'e';
+  size = to_unsigned(write_exponent(p, exp) - buffer);
+}
+
+// Prettifies the output of the Grisu2 algorithm.
+// The number is given as v = buffer * 10^exp.
+FMT_FUNC void grisu2_prettify(char *buffer, size_t &size, int exp,
+                              int precision, bool upper) {
+  // pow(10, full_exp - 1) <= v <= pow(10, full_exp).
+  int int_size = static_cast<int>(size);
+  int full_exp = int_size + exp;
+  const int exp_threshold = 21;
+  if (int_size <= full_exp && full_exp <= exp_threshold) {
+    // 1234e7 -> 12340000000[.0+]
+    std::uninitialized_fill_n(buffer + int_size, full_exp - int_size, '0');
+    char *p = buffer + full_exp;
+    if (precision > 0) {
+      *p++ = '.';
+      std::uninitialized_fill_n(p, precision, '0');
+      p += precision;
+    }
+    size = to_unsigned(p - buffer);
+  } else if (0 < full_exp && full_exp <= exp_threshold) {
+    // 1234e-2 -> 12.34[0+]
+    int fractional_size = -exp;
+    std::memmove(buffer + full_exp + 1, buffer + full_exp,
+                 to_unsigned(fractional_size));
+    buffer[full_exp] = '.';
+    int num_zeros = precision - fractional_size;
+    if (num_zeros > 0) {
+      std::uninitialized_fill_n(buffer + size + 1, num_zeros, '0');
+      size += to_unsigned(num_zeros);
+    }
+    ++size;
+  } else if (-6 < full_exp && full_exp <= 0) {
+    // 1234e-6 -> 0.001234
+    int offset = 2 - full_exp;
+    std::memmove(buffer + offset, buffer, size);
+    buffer[0] = '0';
+    buffer[1] = '.';
+    std::uninitialized_fill_n(buffer + 2, -full_exp, '0');
+    size = to_unsigned(int_size + offset);
+  } else {
+    format_exp_notation(buffer, size, exp, precision, upper);
+  }
+}
+
+#if FMT_CLANG_VERSION
+# define FMT_FALLTHROUGH [[clang::fallthrough]];
+#elif FMT_GCC_VERSION >= 700
+# define FMT_FALLTHROUGH [[gnu::fallthrough]];
+#else
+# define FMT_FALLTHROUGH
+#endif
+
+// Formats a nonnegative value using Grisu2 algorithm. Grisu2 doesn't give any
+// guarantees on the shortness of the result.
+FMT_FUNC void grisu2_format(double value, char *buffer, size_t &size, char type,
+                            int precision, bool write_decimal_point) {
+  FMT_ASSERT(value >= 0, "value is negative");
+  int dec_exp = 0;  // K in Grisu.
+  if (value > 0) {
+    grisu2_format_positive(value, buffer, size, dec_exp);
+  } else {
+    *buffer = '0';
+    size = 1;
+  }
+  const int default_precision = 6;
+  if (precision < 0)
+    precision = default_precision;
+  bool upper = false;
+  switch (type) {
+  case 'G':
+    upper = true;
+    FMT_FALLTHROUGH
+  case '\0': case 'g': {
+    int digits_to_remove = static_cast<int>(size) - precision;
+    if (digits_to_remove > 0) {
+      round(buffer, size, dec_exp, digits_to_remove);
+      // Remove trailing zeros.
+      while (size > 0 && buffer[size - 1] == '0') {
+        --size;
+        ++dec_exp;
+      }
+    }
+    precision = 0;
+    break;
+  }
+  case 'F':
+    upper = true;
+    FMT_FALLTHROUGH
+  case 'f': {
+    int digits_to_remove = -dec_exp - precision;
+    if (digits_to_remove > 0) {
+      if (digits_to_remove >= static_cast<int>(size))
+        digits_to_remove = static_cast<int>(size) - 1;
+      round(buffer, size, dec_exp, digits_to_remove);
+    }
+    break;
+  }
+  case 'e': case 'E':
+    format_exp_notation(buffer, size, dec_exp, precision, type == 'E');
+    return;
+  }
+  if (write_decimal_point && precision < 1)
+    precision = 1;
+  grisu2_prettify(buffer, size, dec_exp, precision, upper);
+}
+}  // namespace internal
+
+#if FMT_USE_WINDOWS_H
+
+FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) {
+  static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16";
+  if (s.size() > INT_MAX)
+    FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG));
+  int s_size = static_cast<int>(s.size());
+  if (s_size == 0) {
+    // MultiByteToWideChar does not support zero length, handle separately.
+    buffer_.resize(1);
+    buffer_[0] = 0;
+    return;
+  }
+
+  int length = MultiByteToWideChar(
+      CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
+  if (length == 0)
+    FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
+  buffer_.resize(length + 1);
+  length = MultiByteToWideChar(
+    CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length);
+  if (length == 0)
+    FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
+  buffer_[length] = 0;
+}
+
+FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
+  if (int error_code = convert(s)) {
+    FMT_THROW(windows_error(error_code,
+        "cannot convert string from UTF-16 to UTF-8"));
+  }
+}
+
+FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) {
+  if (s.size() > INT_MAX)
+    return ERROR_INVALID_PARAMETER;
+  int s_size = static_cast<int>(s.size());
+  if (s_size == 0) {
+    // WideCharToMultiByte does not support zero length, handle separately.
+    buffer_.resize(1);
+    buffer_[0] = 0;
+    return 0;
+  }
+
+  int length = WideCharToMultiByte(
+        CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
+  if (length == 0)
+    return GetLastError();
+  buffer_.resize(length + 1);
+  length = WideCharToMultiByte(
+    CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
+  if (length == 0)
+    return GetLastError();
+  buffer_[length] = 0;
+  return 0;
+}
+
+FMT_FUNC void windows_error::init(
+    int err_code, string_view format_str, format_args args) {
+  error_code_ = err_code;
+  memory_buffer buffer;
+  internal::format_windows_error(buffer, err_code, vformat(format_str, args));
+  std::runtime_error &base = *this;
+  base = std::runtime_error(to_string(buffer));
+}
+
+FMT_FUNC void internal::format_windows_error(
+    internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
+  FMT_TRY {
+    wmemory_buffer buf;
+    buf.resize(inline_buffer_size);
+    for (;;) {
+      wchar_t *system_message = &buf[0];
+      int result = FormatMessageW(
+          FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+          FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+          system_message, static_cast<uint32_t>(buf.size()), FMT_NULL);
+      if (result != 0) {
+        utf16_to_utf8 utf8_message;
+        if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
+          writer w(out);
+          w.write(message);
+          w.write(": ");
+          w.write(utf8_message);
+          return;
+        }
+        break;
+      }
+      if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+        break;  // Can't get error message, report error code instead.
+      buf.resize(buf.size() * 2);
+    }
+  } FMT_CATCH(...) {}
+  format_error_code(out, error_code, message);
+}
+
+#endif  // FMT_USE_WINDOWS_H
+
+FMT_FUNC void format_system_error(
+    internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
+  FMT_TRY {
+    memory_buffer buf;
+    buf.resize(inline_buffer_size);
+    for (;;) {
+      char *system_message = &buf[0];
+      int result = safe_strerror(error_code, system_message, buf.size());
+      if (result == 0) {
+        writer w(out);
+        w.write(message);
+        w.write(": ");
+        w.write(system_message);
+        return;
+      }
+      if (result != ERANGE)
+        break;  // Can't get error message, report error code instead.
+      buf.resize(buf.size() * 2);
+    }
+  } FMT_CATCH(...) {}
+  format_error_code(out, error_code, message);
+}
+
+template <typename Char>
+void basic_fixed_buffer<Char>::grow(std::size_t) {
+  FMT_THROW(std::runtime_error("buffer overflow"));
+}
+
+FMT_FUNC void internal::error_handler::on_error(const char *message) {
+  FMT_THROW(format_error(message));
+}
+
+FMT_FUNC void report_system_error(
+    int error_code, fmt::string_view message) FMT_NOEXCEPT {
+  report_error(format_system_error, error_code, message);
+}
+
+#if FMT_USE_WINDOWS_H
+FMT_FUNC void report_windows_error(
+    int error_code, fmt::string_view message) FMT_NOEXCEPT {
+  report_error(internal::format_windows_error, error_code, message);
+}
+#endif
+
+FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) {
+  memory_buffer buffer;
+  vformat_to(buffer, format_str, args);
+  std::fwrite(buffer.data(), 1, buffer.size(), f);
+}
+
+FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) {
+  wmemory_buffer buffer;
+  vformat_to(buffer, format_str, args);
+  std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f);
+}
+
+FMT_FUNC void vprint(string_view format_str, format_args args) {
+  vprint(stdout, format_str, args);
+}
+
+FMT_FUNC void vprint(wstring_view format_str, wformat_args args) {
+  vprint(stdout, format_str, args);
+}
+
+#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+FMT_FUNC locale locale_provider::locale() { return fmt::locale(); }
+#endif
+
+FMT_END_NAMESPACE
+
+#ifdef _MSC_VER
+# pragma warning(pop)
+#endif
+
+#endif  // FMT_FORMAT_INL_H_

libs/spdlog/fmt/bundled/ostream.h

@@ -0,0 +1,157 @@
+// Formatting library for C++ - std::ostream support
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_OSTREAM_H_
+#define FMT_OSTREAM_H_
+
+#include "format.h"
+#include <ostream>
+
+FMT_BEGIN_NAMESPACE
+namespace internal {
+
+template <class Char>
+class formatbuf : public std::basic_streambuf<Char> {
+ private:
+  typedef typename std::basic_streambuf<Char>::int_type int_type;
+  typedef typename std::basic_streambuf<Char>::traits_type traits_type;
+
+  basic_buffer<Char> &buffer_;
+
+ public:
+  formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {}
+
+ protected:
+  // The put-area is actually always empty. This makes the implementation
+  // simpler and has the advantage that the streambuf and the buffer are always
+  // in sync and sputc never writes into uninitialized memory. The obvious
+  // disadvantage is that each call to sputc always results in a (virtual) call
+  // to overflow. There is no disadvantage here for sputn since this always
+  // results in a call to xsputn.
+
+  int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
+    if (!traits_type::eq_int_type(ch, traits_type::eof()))
+      buffer_.push_back(static_cast<Char>(ch));
+    return ch;
+  }
+
+  std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE {
+    buffer_.append(s, s + count);
+    return count;
+  }
+};
+
+template <typename Char>
+struct test_stream : std::basic_ostream<Char> {
+ private:
+  struct null;
+  // Hide all operator<< from std::basic_ostream<Char>.
+  void operator<<(null);
+};
+
+// Checks if T has a user-defined operator<< (e.g. not a member of std::ostream).
+template <typename T, typename Char>
+class is_streamable {
+ private:
+  template <typename U>
+  static decltype(
+    internal::declval<test_stream<Char>&>()
+      << internal::declval<U>(), std::true_type()) test(int);
+
+  template <typename>
+  static std::false_type test(...);
+
+  typedef decltype(test<T>(0)) result;
+
+ public:
+  static const bool value = result::value;
+};
+
+// Write the content of buf to os.
+template <typename Char>
+void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) {
+  const Char *data = buf.data();
+  typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
+  UnsignedStreamSize size = buf.size();
+  UnsignedStreamSize max_size =
+      internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
+  do {
+    UnsignedStreamSize n = size <= max_size ? size : max_size;
+    os.write(data, static_cast<std::streamsize>(n));
+    data += n;
+    size -= n;
+  } while (size != 0);
+}
+
+template <typename Char, typename T>
+void format_value(basic_buffer<Char> &buffer, const T &value) {
+  internal::formatbuf<Char> format_buf(buffer);
+  std::basic_ostream<Char> output(&format_buf);
+  output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
+  output << value;
+  buffer.resize(buffer.size());
+}
+}  // namespace internal
+
+// Disable conversion to int if T has an overloaded operator<< which is a free
+// function (not a member of std::ostream).
+template <typename T, typename Char>
+struct convert_to_int<T, Char, void> {
+  static const bool value =
+    convert_to_int<T, Char, int>::value &&
+    !internal::is_streamable<T, Char>::value;
+};
+
+// Formats an object of type T that has an overloaded ostream operator<<.
+template <typename T, typename Char>
+struct formatter<T, Char,
+    typename std::enable_if<
+      internal::is_streamable<T, Char>::value &&
+      !internal::format_type<
+        typename buffer_context<Char>::type, T>::value>::type>
+    : formatter<basic_string_view<Char>, Char> {
+
+  template <typename Context>
+  auto format(const T &value, Context &ctx) -> decltype(ctx.out()) {
+    basic_memory_buffer<Char> buffer;
+    internal::format_value(buffer, value);
+    basic_string_view<Char> str(buffer.data(), buffer.size());
+    return formatter<basic_string_view<Char>, Char>::format(str, ctx);
+  }
+};
+
+template <typename Char>
+inline void vprint(std::basic_ostream<Char> &os,
+                   basic_string_view<Char> format_str,
+                   basic_format_args<typename buffer_context<Char>::type> args) {
+  basic_memory_buffer<Char> buffer;
+  vformat_to(buffer, format_str, args);
+  internal::write(os, buffer);
+}
+/**
+  \rst
+  Prints formatted data to the stream *os*.
+
+  **Example**::
+
+    fmt::print(cerr, "Don't {}!", "panic");
+  \endrst
+ */
+template <typename... Args>
+inline void print(std::ostream &os, string_view format_str,
+                  const Args & ... args) {
+  vprint<char>(os, format_str, make_format_args<format_context>(args...));
+}
+
+template <typename... Args>
+inline void print(std::wostream &os, wstring_view format_str,
+                  const Args & ... args) {
+  vprint<wchar_t>(os, format_str, make_format_args<wformat_context>(args...));
+}
+FMT_END_NAMESPACE
+
+#endif  // FMT_OSTREAM_H_

libs/spdlog/fmt/bundled/posix.h

@@ -0,0 +1,324 @@
+// A C++ interface to POSIX functions.
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_POSIX_H_
+#define FMT_POSIX_H_
+
+#if defined(__MINGW32__) || defined(__CYGWIN__)
+// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
+# undef __STRICT_ANSI__
+#endif
+
+#include <errno.h>
+#include <fcntl.h>   // for O_RDONLY
+#include <locale.h>  // for locale_t
+#include <stdio.h>
+#include <stdlib.h>  // for strtod_l
+
+#include <cstddef>
+
+#if defined __APPLE__ || defined(__FreeBSD__)
+# include <xlocale.h>  // for LC_NUMERIC_MASK on OS X
+#endif
+
+#include "format.h"
+
+#ifndef FMT_POSIX
+# if defined(_WIN32) && !defined(__MINGW32__)
+// Fix warnings about deprecated symbols.
+#  define FMT_POSIX(call) _##call
+# else
+#  define FMT_POSIX(call) call
+# endif
+#endif
+
+// Calls to system functions are wrapped in FMT_SYSTEM for testability.
+#ifdef FMT_SYSTEM
+# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
+#else
+# define FMT_SYSTEM(call) call
+# ifdef _WIN32
+// Fix warnings about deprecated symbols.
+#  define FMT_POSIX_CALL(call) ::_##call
+# else
+#  define FMT_POSIX_CALL(call) ::call
+# endif
+#endif
+
+// Retries the expression while it evaluates to error_result and errno
+// equals to EINTR.
+#ifndef _WIN32
+# define FMT_RETRY_VAL(result, expression, error_result) \
+  do { \
+    result = (expression); \
+  } while (result == error_result && errno == EINTR)
+#else
+# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
+#endif
+
+#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
+
+FMT_BEGIN_NAMESPACE
+
+/**
+  \rst
+  A reference to a null-terminated string. It can be constructed from a C
+  string or ``std::string``.
+
+  You can use one of the following typedefs for common character types:
+
+  +---------------+-----------------------------+
+  | Type          | Definition                  |
+  +===============+=============================+
+  | cstring_view  | basic_cstring_view<char>    |
+  +---------------+-----------------------------+
+  | wcstring_view | basic_cstring_view<wchar_t> |
+  +---------------+-----------------------------+
+
+  This class is most useful as a parameter type to allow passing
+  different types of strings to a function, for example::
+
+    template <typename... Args>
+    std::string format(cstring_view format_str, const Args & ... args);
+
+    format("{}", 42);
+    format(std::string("{}"), 42);
+  \endrst
+ */
+template <typename Char>
+class basic_cstring_view {
+ private:
+  const Char *data_;
+
+ public:
+  /** Constructs a string reference object from a C string. */
+  basic_cstring_view(const Char *s) : data_(s) {}
+
+  /**
+    \rst
+    Constructs a string reference from an ``std::string`` object.
+    \endrst
+   */
+  basic_cstring_view(const std::basic_string<Char> &s) : data_(s.c_str()) {}
+
+  /** Returns the pointer to a C string. */
+  const Char *c_str() const { return data_; }
+};
+
+typedef basic_cstring_view<char> cstring_view;
+typedef basic_cstring_view<wchar_t> wcstring_view;
+
+// An error code.
+class error_code {
+ private:
+  int value_;
+
+ public:
+  explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
+
+  int get() const FMT_NOEXCEPT { return value_; }
+};
+
+// A buffered file.
+class buffered_file {
+ private:
+  FILE *file_;
+
+  friend class file;
+
+  explicit buffered_file(FILE *f) : file_(f) {}
+
+ public:
+  // Constructs a buffered_file object which doesn't represent any file.
+  buffered_file() FMT_NOEXCEPT : file_(FMT_NULL) {}
+
+  // Destroys the object closing the file it represents if any.
+  FMT_API ~buffered_file() FMT_DTOR_NOEXCEPT;
+
+ private:
+  buffered_file(const buffered_file &) = delete;
+  void operator=(const buffered_file &) = delete;
+
+
+ public:
+  buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_) {
+    other.file_ = FMT_NULL;
+  }
+
+  buffered_file& operator=(buffered_file &&other) {
+    close();
+    file_ = other.file_;
+    other.file_ = FMT_NULL;
+    return *this;
+  }
+
+  // Opens a file.
+  FMT_API buffered_file(cstring_view filename, cstring_view mode);
+
+  // Closes the file.
+  FMT_API void close();
+
+  // Returns the pointer to a FILE object representing this file.
+  FILE *get() const FMT_NOEXCEPT { return file_; }
+
+  // We place parentheses around fileno to workaround a bug in some versions
+  // of MinGW that define fileno as a macro.
+  FMT_API int (fileno)() const;
+
+  void vprint(string_view format_str, format_args args) {
+    fmt::vprint(file_, format_str, args);
+  }
+
+  template <typename... Args>
+  inline void print(string_view format_str, const Args & ... args) {
+    vprint(format_str, make_format_args(args...));
+  }
+};
+
+// A file. Closed file is represented by a file object with descriptor -1.
+// Methods that are not declared with FMT_NOEXCEPT may throw
+// fmt::system_error in case of failure. Note that some errors such as
+// closing the file multiple times will cause a crash on Windows rather
+// than an exception. You can get standard behavior by overriding the
+// invalid parameter handler with _set_invalid_parameter_handler.
+class file {
+ private:
+  int fd_;  // File descriptor.
+
+  // Constructs a file object with a given descriptor.
+  explicit file(int fd) : fd_(fd) {}
+
+ public:
+  // Possible values for the oflag argument to the constructor.
+  enum {
+    RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
+    WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
+    RDWR   = FMT_POSIX(O_RDWR)    // Open for reading and writing.
+  };
+
+  // Constructs a file object which doesn't represent any file.
+  file() FMT_NOEXCEPT : fd_(-1) {}
+
+  // Opens a file and constructs a file object representing this file.
+  FMT_API file(cstring_view path, int oflag);
+
+ private:
+  file(const file &) = delete;
+  void operator=(const file &) = delete;
+
+ public:
+  file(file &&other) FMT_NOEXCEPT : fd_(other.fd_) {
+    other.fd_ = -1;
+  }
+
+  file& operator=(file &&other) {
+    close();
+    fd_ = other.fd_;
+    other.fd_ = -1;
+    return *this;
+  }
+
+  // Destroys the object closing the file it represents if any.
+  FMT_API ~file() FMT_DTOR_NOEXCEPT;
+
+  // Returns the file descriptor.
+  int descriptor() const FMT_NOEXCEPT { return fd_; }
+
+  // Closes the file.
+  FMT_API void close();
+
+  // Returns the file size. The size has signed type for consistency with
+  // stat::st_size.
+  FMT_API long long size() const;
+
+  // Attempts to read count bytes from the file into the specified buffer.
+  FMT_API std::size_t read(void *buffer, std::size_t count);
+
+  // Attempts to write count bytes from the specified buffer to the file.
+  FMT_API std::size_t write(const void *buffer, std::size_t count);
+
+  // Duplicates a file descriptor with the dup function and returns
+  // the duplicate as a file object.
+  FMT_API static file dup(int fd);
+
+  // Makes fd be the copy of this file descriptor, closing fd first if
+  // necessary.
+  FMT_API void dup2(int fd);
+
+  // Makes fd be the copy of this file descriptor, closing fd first if
+  // necessary.
+  FMT_API void dup2(int fd, error_code &ec) FMT_NOEXCEPT;
+
+  // Creates a pipe setting up read_end and write_end file objects for reading
+  // and writing respectively.
+  FMT_API static void pipe(file &read_end, file &write_end);
+
+  // Creates a buffered_file object associated with this file and detaches
+  // this file object from the file.
+  FMT_API buffered_file fdopen(const char *mode);
+};
+
+// Returns the memory page size.
+long getpagesize();
+
+#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && \
+    !defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__) && \
+    !defined(__NEWLIB_H__)
+# define FMT_LOCALE
+#endif
+
+#ifdef FMT_LOCALE
+// A "C" numeric locale.
+class Locale {
+ private:
+# ifdef _MSC_VER
+  typedef _locale_t locale_t;
+
+  enum { LC_NUMERIC_MASK = LC_NUMERIC };
+
+  static locale_t newlocale(int category_mask, const char *locale, locale_t) {
+    return _create_locale(category_mask, locale);
+  }
+
+  static void freelocale(locale_t locale) {
+    _free_locale(locale);
+  }
+
+  static double strtod_l(const char *nptr, char **endptr, _locale_t locale) {
+    return _strtod_l(nptr, endptr, locale);
+  }
+# endif
+
+  locale_t locale_;
+
+  Locale(const Locale &) = delete;
+  void operator=(const Locale &) = delete;
+
+ public:
+  typedef locale_t Type;
+
+  Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", FMT_NULL)) {
+    if (!locale_)
+      FMT_THROW(system_error(errno, "cannot create locale"));
+  }
+  ~Locale() { freelocale(locale_); }
+
+  Type get() const { return locale_; }
+
+  // Converts string to floating-point number and advances str past the end
+  // of the parsed input.
+  double strtod(const char *&str) const {
+    char *end = FMT_NULL;
+    double result = strtod_l(str, &end, locale_);
+    str = end;
+    return result;
+  }
+};
+#endif  // FMT_LOCALE
+FMT_END_NAMESPACE
+
+#endif  // FMT_POSIX_H_

libs/spdlog/fmt/bundled/printf.h

@@ -0,0 +1,726 @@
+// Formatting library for C++
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_PRINTF_H_
+#define FMT_PRINTF_H_
+
+#include <algorithm>  // std::fill_n
+#include <limits>     // std::numeric_limits
+
+#include "ostream.h"
+
+FMT_BEGIN_NAMESPACE
+namespace internal {
+
+// Checks if a value fits in int - used to avoid warnings about comparing
+// signed and unsigned integers.
+template <bool IsSigned>
+struct int_checker {
+  template <typename T>
+  static bool fits_in_int(T value) {
+    unsigned max = std::numeric_limits<int>::max();
+    return value <= max;
+  }
+  static bool fits_in_int(bool) { return true; }
+};
+
+template <>
+struct int_checker<true> {
+  template <typename T>
+  static bool fits_in_int(T value) {
+    return value >= std::numeric_limits<int>::min() &&
+           value <= std::numeric_limits<int>::max();
+  }
+  static bool fits_in_int(int) { return true; }
+};
+
+class printf_precision_handler: public function<int> {
+ public:
+  template <typename T>
+  typename std::enable_if<std::is_integral<T>::value, int>::type
+      operator()(T value) {
+    if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
+      FMT_THROW(format_error("number is too big"));
+    return static_cast<int>(value);
+  }
+
+  template <typename T>
+  typename std::enable_if<!std::is_integral<T>::value, int>::type operator()(T) {
+    FMT_THROW(format_error("precision is not integer"));
+    return 0;
+  }
+};
+
+// An argument visitor that returns true iff arg is a zero integer.
+class is_zero_int: public function<bool> {
+ public:
+  template <typename T>
+  typename std::enable_if<std::is_integral<T>::value, bool>::type
+      operator()(T value) { return value == 0; }
+
+  template <typename T>
+  typename std::enable_if<!std::is_integral<T>::value, bool>::type
+      operator()(T) { return false; }
+};
+
+template <typename T>
+struct make_unsigned_or_bool : std::make_unsigned<T> {};
+
+template <>
+struct make_unsigned_or_bool<bool> {
+  typedef bool type;
+};
+
+template <typename T, typename Context>
+class arg_converter: public function<void> {
+ private:
+  typedef typename Context::char_type Char;
+
+  basic_format_arg<Context> &arg_;
+  typename Context::char_type type_;
+
+ public:
+  arg_converter(basic_format_arg<Context> &arg, Char type)
+    : arg_(arg), type_(type) {}
+
+  void operator()(bool value) {
+    if (type_ != 's')
+      operator()<bool>(value);
+  }
+
+  template <typename U>
+  typename std::enable_if<std::is_integral<U>::value>::type
+      operator()(U value) {
+    bool is_signed = type_ == 'd' || type_ == 'i';
+    typedef typename std::conditional<
+        std::is_same<T, void>::value, U, T>::type TargetType;
+    if (const_check(sizeof(TargetType) <= sizeof(int))) {
+      // Extra casts are used to silence warnings.
+      if (is_signed) {
+        arg_ = internal::make_arg<Context>(
+          static_cast<int>(static_cast<TargetType>(value)));
+      } else {
+        typedef typename make_unsigned_or_bool<TargetType>::type Unsigned;
+        arg_ = internal::make_arg<Context>(
+          static_cast<unsigned>(static_cast<Unsigned>(value)));
+      }
+    } else {
+      if (is_signed) {
+        // glibc's printf doesn't sign extend arguments of smaller types:
+        //   std::printf("%lld", -42);  // prints "4294967254"
+        // but we don't have to do the same because it's a UB.
+        arg_ = internal::make_arg<Context>(static_cast<long long>(value));
+      } else {
+        arg_ = internal::make_arg<Context>(
+          static_cast<typename make_unsigned_or_bool<U>::type>(value));
+      }
+    }
+  }
+
+  template <typename U>
+  typename std::enable_if<!std::is_integral<U>::value>::type operator()(U) {
+    // No coversion needed for non-integral types.
+  }
+};
+
+// Converts an integer argument to T for printf, if T is an integral type.
+// If T is void, the argument is converted to corresponding signed or unsigned
+// type depending on the type specifier: 'd' and 'i' - signed, other -
+// unsigned).
+template <typename T, typename Context, typename Char>
+void convert_arg(basic_format_arg<Context> &arg, Char type) {
+  fmt::visit(arg_converter<T, Context>(arg, type), arg);
+}
+
+// Converts an integer argument to char for printf.
+template <typename Context>
+class char_converter: public function<void> {
+ private:
+  basic_format_arg<Context> &arg_;
+
+ public:
+  explicit char_converter(basic_format_arg<Context> &arg) : arg_(arg) {}
+
+  template <typename T>
+  typename std::enable_if<std::is_integral<T>::value>::type
+      operator()(T value) {
+    typedef typename Context::char_type Char;
+    arg_ = internal::make_arg<Context>(static_cast<Char>(value));
+  }
+
+  template <typename T>
+  typename std::enable_if<!std::is_integral<T>::value>::type operator()(T) {
+    // No coversion needed for non-integral types.
+  }
+};
+
+// Checks if an argument is a valid printf width specifier and sets
+// left alignment if it is negative.
+template <typename Char>
+class printf_width_handler: public function<unsigned> {
+ private:
+  typedef basic_format_specs<Char> format_specs;
+
+  format_specs &spec_;
+
+ public:
+  explicit printf_width_handler(format_specs &spec) : spec_(spec) {}
+
+  template <typename T>
+  typename std::enable_if<std::is_integral<T>::value, unsigned>::type
+      operator()(T value) {
+    typedef typename internal::int_traits<T>::main_type UnsignedType;
+    UnsignedType width = static_cast<UnsignedType>(value);
+    if (internal::is_negative(value)) {
+      spec_.align_ = ALIGN_LEFT;
+      width = 0 - width;
+    }
+    unsigned int_max = std::numeric_limits<int>::max();
+    if (width > int_max)
+      FMT_THROW(format_error("number is too big"));
+    return static_cast<unsigned>(width);
+  }
+
+  template <typename T>
+  typename std::enable_if<!std::is_integral<T>::value, unsigned>::type
+      operator()(T) {
+    FMT_THROW(format_error("width is not integer"));
+    return 0;
+  }
+};
+}  // namespace internal
+
+template <typename Range>
+class printf_arg_formatter;
+
+template <
+    typename OutputIt, typename Char,
+    typename ArgFormatter =
+      printf_arg_formatter<back_insert_range<internal::basic_buffer<Char>>>>
+class basic_printf_context;
+
+/**
+  \rst
+  The ``printf`` argument formatter.
+  \endrst
+ */
+template <typename Range>
+class printf_arg_formatter:
+  public internal::function<
+    typename internal::arg_formatter_base<Range>::iterator>,
+  public internal::arg_formatter_base<Range> {
+ private:
+  typedef typename Range::value_type char_type;
+  typedef decltype(internal::declval<Range>().begin()) iterator;
+  typedef internal::arg_formatter_base<Range> base;
+  typedef basic_printf_context<iterator, char_type> context_type;
+
+  context_type &context_;
+
+  void write_null_pointer(char) {
+    this->spec()->type_ = 0;
+    this->write("(nil)");
+  }
+
+  void write_null_pointer(wchar_t) {
+    this->spec()->type_ = 0;
+    this->write(L"(nil)");
+  }
+
+ public:
+  typedef typename base::format_specs format_specs;
+
+  /**
+    \rst
+    Constructs an argument formatter object.
+    *buffer* is a reference to the output buffer and *spec* contains format
+    specifier information for standard argument types.
+    \endrst
+   */
+  printf_arg_formatter(internal::basic_buffer<char_type> &buffer,
+                       format_specs &spec, context_type &ctx)
+    : base(back_insert_range<internal::basic_buffer<char_type>>(buffer), &spec),
+      context_(ctx) {}
+
+  template <typename T>
+  typename std::enable_if<std::is_integral<T>::value, iterator>::type
+      operator()(T value) {
+    // MSVC2013 fails to compile separate overloads for bool and char_type so
+    // use std::is_same instead.
+    if (std::is_same<T, bool>::value) {
+      format_specs &fmt_spec = *this->spec();
+      if (fmt_spec.type_ != 's')
+        return base::operator()(value ? 1 : 0);
+      fmt_spec.type_ = 0;
+      this->write(value != 0);
+    } else if (std::is_same<T, char_type>::value) {
+      format_specs &fmt_spec = *this->spec();
+      if (fmt_spec.type_ && fmt_spec.type_ != 'c')
+        return (*this)(static_cast<int>(value));
+      fmt_spec.flags_ = 0;
+      fmt_spec.align_ = ALIGN_RIGHT;
+      return base::operator()(value);
+    } else {
+      return base::operator()(value);
+    }
+    return this->out();
+  }
+
+  template <typename T>
+  typename std::enable_if<std::is_floating_point<T>::value, iterator>::type
+      operator()(T value) {
+    return base::operator()(value);
+  }
+
+  /** Formats a null-terminated C string. */
+  iterator operator()(const char *value) {
+    if (value)
+      base::operator()(value);
+    else if (this->spec()->type_ == 'p')
+      write_null_pointer(char_type());
+    else
+      this->write("(null)");
+    return this->out();
+  }
+
+  /** Formats a null-terminated wide C string. */
+  iterator operator()(const wchar_t *value) {
+    if (value)
+      base::operator()(value);
+    else if (this->spec()->type_ == 'p')
+      write_null_pointer(char_type());
+    else
+      this->write(L"(null)");
+    return this->out();
+  }
+
+  iterator operator()(basic_string_view<char_type> value) {
+    return base::operator()(value);
+  }
+
+  iterator operator()(monostate value) {
+    return base::operator()(value);
+  }
+
+  /** Formats a pointer. */
+  iterator operator()(const void *value) {
+    if (value)
+      return base::operator()(value);
+    this->spec()->type_ = 0;
+    write_null_pointer(char_type());
+    return this->out();
+  }
+
+  /** Formats an argument of a custom (user-defined) type. */
+  iterator operator()(typename basic_format_arg<context_type>::handle handle) {
+    handle.format(context_);
+    return this->out();
+  }
+};
+
+template <typename T>
+struct printf_formatter {
+  template <typename ParseContext>
+  auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { return ctx.begin(); }
+
+  template <typename FormatContext>
+  auto format(const T &value, FormatContext &ctx) -> decltype(ctx.out()) {
+    internal::format_value(internal::get_container(ctx.out()), value);
+    return ctx.out();
+  }
+};
+
+/** This template formats data and writes the output to a writer. */
+template <typename OutputIt, typename Char, typename ArgFormatter>
+class basic_printf_context :
+  // Inherit publicly as a workaround for the icc bug
+  // https://software.intel.com/en-us/forums/intel-c-compiler/topic/783476.
+  public internal::context_base<
+    OutputIt, basic_printf_context<OutputIt, Char, ArgFormatter>, Char> {
+ public:
+  /** The character type for the output. */
+  typedef Char char_type;
+
+  template <typename T>
+  struct formatter_type { typedef printf_formatter<T> type; };
+
+ private:
+  typedef internal::context_base<OutputIt, basic_printf_context, Char> base;
+  typedef typename base::format_arg format_arg;
+  typedef basic_format_specs<char_type> format_specs;
+  typedef internal::null_terminating_iterator<char_type> iterator;
+
+  void parse_flags(format_specs &spec, iterator &it);
+
+  // Returns the argument with specified index or, if arg_index is equal
+  // to the maximum unsigned value, the next argument.
+  format_arg get_arg(
+      iterator it,
+      unsigned arg_index = (std::numeric_limits<unsigned>::max)());
+
+  // Parses argument index, flags and width and returns the argument index.
+  unsigned parse_header(iterator &it, format_specs &spec);
+
+ public:
+  /**
+   \rst
+   Constructs a ``printf_context`` object. References to the arguments and
+   the writer are stored in the context object so make sure they have
+   appropriate lifetimes.
+   \endrst
+   */
+  basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
+                       basic_format_args<basic_printf_context> args)
+    : base(out, format_str, args) {}
+
+  using base::parse_context;
+  using base::out;
+  using base::advance_to;
+
+  /** Formats stored arguments and writes the output to the range. */
+  void format();
+};
+
+template <typename OutputIt, typename Char, typename AF>
+void basic_printf_context<OutputIt, Char, AF>::parse_flags(
+    format_specs &spec, iterator &it) {
+  for (;;) {
+    switch (*it++) {
+      case '-':
+        spec.align_ = ALIGN_LEFT;
+        break;
+      case '+':
+        spec.flags_ |= SIGN_FLAG | PLUS_FLAG;
+        break;
+      case '0':
+        spec.fill_ = '0';
+        break;
+      case ' ':
+        spec.flags_ |= SIGN_FLAG;
+        break;
+      case '#':
+        spec.flags_ |= HASH_FLAG;
+        break;
+      default:
+        --it;
+        return;
+    }
+  }
+}
+
+template <typename OutputIt, typename Char, typename AF>
+typename basic_printf_context<OutputIt, Char, AF>::format_arg
+  basic_printf_context<OutputIt, Char, AF>::get_arg(
+    iterator it, unsigned arg_index) {
+  (void)it;
+  if (arg_index == std::numeric_limits<unsigned>::max())
+    return this->do_get_arg(this->parse_context().next_arg_id());
+  return base::get_arg(arg_index - 1);
+}
+
+template <typename OutputIt, typename Char, typename AF>
+unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
+  iterator &it, format_specs &spec) {
+  unsigned arg_index = std::numeric_limits<unsigned>::max();
+  char_type c = *it;
+  if (c >= '0' && c <= '9') {
+    // Parse an argument index (if followed by '$') or a width possibly
+    // preceded with '0' flag(s).
+    internal::error_handler eh;
+    unsigned value = parse_nonnegative_int(it, eh);
+    if (*it == '$') {  // value is an argument index
+      ++it;
+      arg_index = value;
+    } else {
+      if (c == '0')
+        spec.fill_ = '0';
+      if (value != 0) {
+        // Nonzero value means that we parsed width and don't need to
+        // parse it or flags again, so return now.
+        spec.width_ = value;
+        return arg_index;
+      }
+    }
+  }
+  parse_flags(spec, it);
+  // Parse width.
+  if (*it >= '0' && *it <= '9') {
+    internal::error_handler eh;
+    spec.width_ = parse_nonnegative_int(it, eh);
+  } else if (*it == '*') {
+    ++it;
+    spec.width_ =
+        fmt::visit(internal::printf_width_handler<char_type>(spec), get_arg(it));
+  }
+  return arg_index;
+}
+
+template <typename OutputIt, typename Char, typename AF>
+void basic_printf_context<OutputIt, Char, AF>::format() {
+  auto &buffer = internal::get_container(this->out());
+  auto start = iterator(this->parse_context());
+  auto it = start;
+  using internal::pointer_from;
+  while (*it) {
+    char_type c = *it++;
+    if (c != '%') continue;
+    if (*it == c) {
+      buffer.append(pointer_from(start), pointer_from(it));
+      start = ++it;
+      continue;
+    }
+    buffer.append(pointer_from(start), pointer_from(it) - 1);
+
+    format_specs spec;
+    spec.align_ = ALIGN_RIGHT;
+
+    // Parse argument index, flags and width.
+    unsigned arg_index = parse_header(it, spec);
+
+    // Parse precision.
+    if (*it == '.') {
+      ++it;
+      if ('0' <= *it && *it <= '9') {
+        internal::error_handler eh;
+        spec.precision_ = static_cast<int>(parse_nonnegative_int(it, eh));
+      } else if (*it == '*') {
+        ++it;
+        spec.precision_ =
+            fmt::visit(internal::printf_precision_handler(), get_arg(it));
+      } else {
+        spec.precision_ = 0;
+      }
+    }
+
+    format_arg arg = get_arg(it, arg_index);
+    if (spec.flag(HASH_FLAG) && fmt::visit(internal::is_zero_int(), arg))
+      spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG);
+    if (spec.fill_ == '0') {
+      if (arg.is_arithmetic())
+        spec.align_ = ALIGN_NUMERIC;
+      else
+        spec.fill_ = ' ';  // Ignore '0' flag for non-numeric types.
+    }
+
+    // Parse length and convert the argument to the required type.
+    using internal::convert_arg;
+    switch (*it++) {
+    case 'h':
+      if (*it == 'h')
+        convert_arg<signed char>(arg, *++it);
+      else
+        convert_arg<short>(arg, *it);
+      break;
+    case 'l':
+      if (*it == 'l')
+        convert_arg<long long>(arg, *++it);
+      else
+        convert_arg<long>(arg, *it);
+      break;
+    case 'j':
+      convert_arg<intmax_t>(arg, *it);
+      break;
+    case 'z':
+      convert_arg<std::size_t>(arg, *it);
+      break;
+    case 't':
+      convert_arg<std::ptrdiff_t>(arg, *it);
+      break;
+    case 'L':
+      // printf produces garbage when 'L' is omitted for long double, no
+      // need to do the same.
+      break;
+    default:
+      --it;
+      convert_arg<void>(arg, *it);
+    }
+
+    // Parse type.
+    if (!*it)
+      FMT_THROW(format_error("invalid format string"));
+    spec.type_ = static_cast<char>(*it++);
+    if (arg.is_integral()) {
+      // Normalize type.
+      switch (spec.type_) {
+      case 'i': case 'u':
+        spec.type_ = 'd';
+        break;
+      case 'c':
+        // TODO: handle wchar_t better?
+        fmt::visit(internal::char_converter<basic_printf_context>(arg), arg);
+        break;
+      }
+    }
+
+    start = it;
+
+    // Format argument.
+    fmt::visit(AF(buffer, spec, *this), arg);
+  }
+  buffer.append(pointer_from(start), pointer_from(it));
+}
+
+template <typename Char, typename Context>
+void printf(internal::basic_buffer<Char> &buf, basic_string_view<Char> format,
+            basic_format_args<Context> args) {
+  Context(std::back_inserter(buf), format, args).format();
+}
+
+template <typename Buffer>
+struct printf_context {
+  typedef basic_printf_context<
+    std::back_insert_iterator<Buffer>, typename Buffer::value_type> type;
+};
+
+template <typename ...Args>
+inline format_arg_store<printf_context<internal::buffer>::type, Args...>
+    make_printf_args(const Args & ... args) {
+  return format_arg_store<printf_context<internal::buffer>::type, Args...>(
+      args...);
+}
+typedef basic_format_args<printf_context<internal::buffer>::type> printf_args;
+typedef basic_format_args<printf_context<internal::wbuffer>::type> wprintf_args;
+
+inline std::string vsprintf(string_view format, printf_args args) {
+  memory_buffer buffer;
+  printf(buffer, format, args);
+  return to_string(buffer);
+}
+
+/**
+  \rst
+  Formats arguments and returns the result as a string.
+
+  **Example**::
+
+    std::string message = fmt::sprintf("The answer is %d", 42);
+  \endrst
+*/
+template <typename... Args>
+inline std::string sprintf(string_view format_str, const Args & ... args) {
+  return vsprintf(format_str,
+    make_format_args<typename printf_context<internal::buffer>::type>(args...));
+}
+
+inline std::wstring vsprintf(wstring_view format, wprintf_args args) {
+  wmemory_buffer buffer;
+  printf(buffer, format, args);
+  return to_string(buffer);
+}
+
+template <typename... Args>
+inline std::wstring sprintf(wstring_view format_str, const Args & ... args) {
+  return vsprintf(format_str,
+    make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
+}
+
+template <typename Char>
+inline int vfprintf(std::FILE *f, basic_string_view<Char> format,
+                    basic_format_args<typename printf_context<
+                      internal::basic_buffer<Char>>::type> args) {
+  basic_memory_buffer<Char> buffer;
+  printf(buffer, format, args);
+  std::size_t size = buffer.size();
+  return std::fwrite(
+    buffer.data(), sizeof(Char), size, f) < size ? -1 : static_cast<int>(size);
+}
+
+/**
+  \rst
+  Prints formatted data to the file *f*.
+
+  **Example**::
+
+    fmt::fprintf(stderr, "Don't %s!", "panic");
+  \endrst
+ */
+template <typename... Args>
+inline int fprintf(std::FILE *f, string_view format_str, const Args & ... args) {
+  auto vargs = make_format_args<
+    typename printf_context<internal::buffer>::type>(args...);
+  return vfprintf<char>(f, format_str, vargs);
+}
+
+template <typename... Args>
+inline int fprintf(std::FILE *f, wstring_view format_str,
+                   const Args & ... args) {
+  return vfprintf(f, format_str,
+    make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
+}
+
+inline int vprintf(string_view format, printf_args args) {
+  return vfprintf(stdout, format, args);
+}
+
+inline int vprintf(wstring_view format, wprintf_args args) {
+  return vfprintf(stdout, format, args);
+}
+
+/**
+  \rst
+  Prints formatted data to ``stdout``.
+
+  **Example**::
+
+    fmt::printf("Elapsed time: %.2f seconds", 1.23);
+  \endrst
+ */
+template <typename... Args>
+inline int printf(string_view format_str, const Args & ... args) {
+  return vprintf(format_str,
+    make_format_args<typename printf_context<internal::buffer>::type>(args...));
+}
+
+template <typename... Args>
+inline int printf(wstring_view format_str, const Args & ... args) {
+  return vprintf(format_str,
+    make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
+}
+
+inline int vfprintf(std::ostream &os, string_view format_str,
+                    printf_args args) {
+  memory_buffer buffer;
+  printf(buffer, format_str, args);
+  internal::write(os, buffer);
+  return static_cast<int>(buffer.size());
+}
+
+inline int vfprintf(std::wostream &os, wstring_view format_str,
+                    wprintf_args args) {
+  wmemory_buffer buffer;
+  printf(buffer, format_str, args);
+  internal::write(os, buffer);
+  return static_cast<int>(buffer.size());
+}
+
+/**
+  \rst
+  Prints formatted data to the stream *os*.
+
+  **Example**::
+
+    fmt::fprintf(cerr, "Don't %s!", "panic");
+  \endrst
+ */
+template <typename... Args>
+inline int fprintf(std::ostream &os, string_view format_str,
+                   const Args & ... args) {
+  auto vargs = make_format_args<
+    typename printf_context<internal::buffer>::type>(args...);
+  return vfprintf(os, format_str, vargs);
+}
+
+template <typename... Args>
+inline int fprintf(std::wostream &os, wstring_view format_str,
+                   const Args & ... args) {
+  auto vargs = make_format_args<
+    typename printf_context<internal::buffer>::type>(args...);
+  return vfprintf(os, format_str, vargs);
+}
+FMT_END_NAMESPACE
+
+#endif  // FMT_PRINTF_H_

libs/spdlog/fmt/bundled/ranges.h

@@ -0,0 +1,308 @@
+// Formatting library for C++ - the core API
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+//
+// Copyright (c) 2018 - present, Remotion (Igor Schulz)
+// All Rights Reserved
+// {fmt} support for ranges, containers and types tuple interface.
+
+#ifndef FMT_RANGES_H_
+#define FMT_RANGES_H_
+
+#include "format.h"
+#include <type_traits>
+
+// output only up to N items from the range.
+#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
+# define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
+#endif
+
+FMT_BEGIN_NAMESPACE
+
+template <typename Char>
+struct formatting_base {
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+};
+
+template <typename Char, typename Enable = void>
+struct formatting_range : formatting_base<Char> {
+  static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
+      FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the range.
+  Char prefix;
+  Char delimiter;
+  Char postfix;
+  formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
+  static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
+  static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
+};
+
+template <typename Char, typename Enable = void>
+struct formatting_tuple : formatting_base<Char> {
+  Char prefix;
+  Char delimiter;
+  Char postfix;
+  formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
+  static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
+  static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
+};
+
+namespace internal {
+
+template <typename RangeT, typename OutputIterator>
+void copy(const RangeT &range, OutputIterator out) {
+  for (auto it = range.begin(), end = range.end(); it != end; ++it)
+    *out++ = *it;
+}
+
+template <typename OutputIterator>
+void copy(const char *str, OutputIterator out) {
+  const char *p_curr = str;
+  while (*p_curr) {
+    *out++ = *p_curr++;
+  }
+}
+
+template <typename OutputIterator>
+void copy(char ch, OutputIterator out) {
+  *out++ = ch;
+}
+
+/// Return true value if T has std::string interface, like std::string_view.
+template <typename T>
+class is_like_std_string {
+  template <typename U>
+  static auto check(U *p) ->
+    decltype(p->find('a'), p->length(), p->data(), int());
+  template <typename>
+  static void check(...);
+
+ public:
+  static FMT_CONSTEXPR_DECL const bool value =
+    !std::is_void<decltype(check<T>(FMT_NULL))>::value;
+};
+
+template <typename Char>
+struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type {};
+
+template <typename... Ts>
+struct conditional_helper {};
+
+template <typename T, typename _ = void>
+struct is_range_ : std::false_type {};
+
+#if !FMT_MSC_VER || FMT_MSC_VER > 1800
+template <typename T>
+struct is_range_<T, typename std::conditional<
+                    false,
+                    conditional_helper<decltype(internal::declval<T>().begin()),
+                                       decltype(internal::declval<T>().end())>,
+                    void>::type> : std::true_type {};
+#endif
+
+/// tuple_size and tuple_element check.
+template <typename T>
+class is_tuple_like_ {
+  template <typename U>
+  static auto check(U *p) ->
+    decltype(std::tuple_size<U>::value,
+      internal::declval<typename std::tuple_element<0, U>::type>(), int());
+  template <typename>
+  static void check(...);
+
+ public:
+  static FMT_CONSTEXPR_DECL const bool value =
+    !std::is_void<decltype(check<T>(FMT_NULL))>::value;
+};
+
+// Check for integer_sequence
+#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
+template <typename T, T... N>
+using integer_sequence = std::integer_sequence<T, N...>;
+template <std::size_t... N>
+using index_sequence = std::index_sequence<N...>;
+template <std::size_t N>
+using make_index_sequence = std::make_index_sequence<N>;
+#else
+template <typename T, T... N>
+struct integer_sequence {
+  typedef T value_type;
+
+  static FMT_CONSTEXPR std::size_t size() {
+    return sizeof...(N);
+  }
+};
+
+template <std::size_t... N>
+using index_sequence = integer_sequence<std::size_t, N...>;
+
+template <typename T, std::size_t N, T... Ns>
+struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
+template <typename T, T... Ns>
+struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
+
+template <std::size_t N>
+using make_index_sequence = make_integer_sequence<std::size_t, N>;
+#endif
+
+template <class Tuple, class F, size_t... Is>
+void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT {
+  using std::get;
+  // using free function get<I>(T) now.
+  const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
+  (void)_;  // blocks warnings
+}
+
+template <class T>
+FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> 
+get_indexes(T const &) { return {}; }
+
+template <class Tuple, class F>
+void for_each(Tuple &&tup, F &&f) {
+  const auto indexes = get_indexes(tup);
+  for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
+}
+
+template<typename Arg>
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&, 
+  typename std::enable_if<
+    !is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
+  return add_space ? " {}" : "{}";
+}
+
+template<typename Arg>
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&, 
+  typename std::enable_if<
+    is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
+  return add_space ? " \"{}\"" : "\"{}\"";
+}
+
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
+  return add_space ? " \"{}\"" : "\"{}\"";
+}
+FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
+    return add_space ? L" \"{}\"" : L"\"{}\"";
+}
+
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
+    return add_space ? " '{}'" : "'{}'";
+}
+FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
+    return add_space ? L" '{}'" : L"'{}'";
+}
+
+}  // namespace internal
+
+template <typename T>
+struct is_tuple_like {
+  static FMT_CONSTEXPR_DECL const bool value =
+    internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
+};
+
+template <typename TupleT, typename Char>
+struct formatter<TupleT, Char, 
+    typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> {
+private:
+  // C++11 generic lambda for format()
+  template <typename FormatContext>
+  struct format_each {
+    template <typename T>
+    void operator()(const T& v) {
+      if (i > 0) {
+        if (formatting.add_prepostfix_space) {
+          *out++ = ' ';
+        }
+        internal::copy(formatting.delimiter, out);
+      }
+      format_to(out,
+                internal::format_str_quoted(
+                    (formatting.add_delimiter_spaces && i > 0), v),
+                v);
+      ++i;
+    }
+
+    formatting_tuple<Char>& formatting;
+    std::size_t& i;
+    typename std::add_lvalue_reference<decltype(std::declval<FormatContext>().out())>::type out;
+  };
+
+public:
+  formatting_tuple<Char> formatting;
+
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
+    return formatting.parse(ctx);
+  }
+
+  template <typename FormatContext = format_context>
+  auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out()) {
+    auto out = ctx.out();
+    std::size_t i = 0;
+    internal::copy(formatting.prefix, out);
+
+    internal::for_each(values, format_each<FormatContext>{formatting, i, out});
+    if (formatting.add_prepostfix_space) {
+      *out++ = ' ';
+    }
+    internal::copy(formatting.postfix, out);
+
+    return ctx.out();
+  }
+};
+
+template <typename T>
+struct is_range {
+  static FMT_CONSTEXPR_DECL const bool value =
+    internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
+};
+
+template <typename RangeT, typename Char>
+struct formatter<RangeT, Char,
+    typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
+
+  formatting_range<Char> formatting;
+
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
+    return formatting.parse(ctx);
+  }
+
+  template <typename FormatContext>
+  typename FormatContext::iterator format(
+      const RangeT &values, FormatContext &ctx) {
+    auto out = ctx.out();
+    internal::copy(formatting.prefix, out);
+    std::size_t i = 0;
+    for (auto it = values.begin(), end = values.end(); it != end; ++it) {
+      if (i > 0) {
+        if (formatting.add_prepostfix_space) {
+          *out++ = ' ';
+        }
+        internal::copy(formatting.delimiter, out);
+      }
+      format_to(out,
+                internal::format_str_quoted(
+                    (formatting.add_delimiter_spaces && i > 0), *it),
+                *it);
+      if (++i > formatting.range_length_limit) {
+        format_to(out, " ... <other elements>");
+        break;
+      }
+    }
+    if (formatting.add_prepostfix_space) {
+      *out++ = ' ';
+    }
+    internal::copy(formatting.postfix, out);
+    return ctx.out();
+  }
+};
+
+FMT_END_NAMESPACE
+
+#endif // FMT_RANGES_H_
+

libs/spdlog/fmt/bundled/time.h

@@ -0,0 +1,156 @@
+// Formatting library for C++ - time formatting
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_TIME_H_
+#define FMT_TIME_H_
+
+#include "format.h"
+#include <ctime>
+
+FMT_BEGIN_NAMESPACE
+
+// Prevents expansion of a preceding token as a function-style macro.
+// Usage: f FMT_NOMACRO()
+#define FMT_NOMACRO
+
+namespace internal{
+inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); }
+inline null<> localtime_s(...) { return null<>(); }
+inline null<> gmtime_r(...) { return null<>(); }
+inline null<> gmtime_s(...) { return null<>(); }
+}
+
+// Thread-safe replacement for std::localtime
+inline std::tm localtime(std::time_t time) {
+  struct dispatcher {
+    std::time_t time_;
+    std::tm tm_;
+
+    dispatcher(std::time_t t): time_(t) {}
+
+    bool run() {
+      using namespace fmt::internal;
+      return handle(localtime_r(&time_, &tm_));
+    }
+
+    bool handle(std::tm *tm) { return tm != FMT_NULL; }
+
+    bool handle(internal::null<>) {
+      using namespace fmt::internal;
+      return fallback(localtime_s(&tm_, &time_));
+    }
+
+    bool fallback(int res) { return res == 0; }
+
+    bool fallback(internal::null<>) {
+      using namespace fmt::internal;
+      std::tm *tm = std::localtime(&time_);
+      if (tm) tm_ = *tm;
+      return tm != FMT_NULL;
+    }
+  };
+  dispatcher lt(time);
+  if (lt.run())
+    return lt.tm_;
+  // Too big time values may be unsupported.
+  FMT_THROW(format_error("time_t value out of range"));
+}
+
+// Thread-safe replacement for std::gmtime
+inline std::tm gmtime(std::time_t time) {
+  struct dispatcher {
+    std::time_t time_;
+    std::tm tm_;
+
+    dispatcher(std::time_t t): time_(t) {}
+
+    bool run() {
+      using namespace fmt::internal;
+      return handle(gmtime_r(&time_, &tm_));
+    }
+
+    bool handle(std::tm *tm) { return tm != FMT_NULL; }
+
+    bool handle(internal::null<>) {
+      using namespace fmt::internal;
+      return fallback(gmtime_s(&tm_, &time_));
+    }
+
+    bool fallback(int res) { return res == 0; }
+
+    bool fallback(internal::null<>) {
+      std::tm *tm = std::gmtime(&time_);
+      if (tm) tm_ = *tm;
+      return tm != FMT_NULL;
+    }
+  };
+  dispatcher gt(time);
+  if (gt.run())
+    return gt.tm_;
+  // Too big time values may be unsupported.
+  FMT_THROW(format_error("time_t value out of range"));
+}
+
+namespace internal {
+inline std::size_t strftime(char *str, std::size_t count, const char *format,
+                            const std::tm *time) {
+  return std::strftime(str, count, format, time);
+}
+
+inline std::size_t strftime(wchar_t *str, std::size_t count,
+                            const wchar_t *format, const std::tm *time) {
+  return std::wcsftime(str, count, format, time);
+}
+}
+
+template <typename Char>
+struct formatter<std::tm, Char> {
+  template <typename ParseContext>
+  auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
+    auto it = internal::null_terminating_iterator<Char>(ctx);
+    if (*it == ':')
+      ++it;
+    auto end = it;
+    while (*end && *end != '}')
+      ++end;
+    tm_format.reserve(end - it + 1);
+    using internal::pointer_from;
+    tm_format.append(pointer_from(it), pointer_from(end));
+    tm_format.push_back('\0');
+    return pointer_from(end);
+  }
+
+  template <typename FormatContext>
+  auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) {
+    internal::basic_buffer<Char> &buf = internal::get_container(ctx.out());
+    std::size_t start = buf.size();
+    for (;;) {
+      std::size_t size = buf.capacity() - start;
+      std::size_t count =
+        internal::strftime(&buf[start], size, &tm_format[0], &tm);
+      if (count != 0) {
+        buf.resize(start + count);
+        break;
+      }
+      if (size >= tm_format.size() * 256) {
+        // If the buffer is 256 times larger than the format string, assume
+        // that `strftime` gives an empty result. There doesn't seem to be a
+        // better way to distinguish the two cases:
+        // https://github.com/fmtlib/fmt/issues/367
+        break;
+      }
+      const std::size_t MIN_GROWTH = 10;
+      buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
+    }
+    return ctx.out();
+  }
+
+  basic_memory_buffer<Char> tm_format;
+};
+FMT_END_NAMESPACE
+
+#endif  // FMT_TIME_H_

libs/spdlog/fmt/fmt.h

@@ -0,0 +1,25 @@
+//
+// Copyright(c) 2016-2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+//
+// Include a bundled header-only copy of fmtlib or an external one.
+// By default spdlog include its own copy.
+//
+
+#if !defined(SPDLOG_FMT_EXTERNAL)
+#ifndef FMT_HEADER_ONLY
+#define FMT_HEADER_ONLY
+#endif
+#ifndef FMT_USE_WINDOWS_H
+#define FMT_USE_WINDOWS_H 0
+#endif
+#include "spdlog/fmt/bundled/core.h"
+#include "spdlog/fmt/bundled/format.h"
+#else // external fmtlib
+#include <fmt/core.h>
+#include <fmt/format.h>
+#endif

libs/spdlog/fmt/ostr.h

@@ -0,0 +1,18 @@
+//
+// Copyright(c) 2016 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+//
+// include bundled or external copy of fmtlib's ostream support
+//
+#if !defined(SPDLOG_FMT_EXTERNAL)
+#ifndef FMT_HEADER_ONLY
+#define FMT_HEADER_ONLY
+#endif
+#include "spdlog/fmt/bundled/ostream.h"
+#include "fmt.h"
+#else
+#include <fmt/ostream.h>
+#endif

libs/spdlog/formatter.h

@@ -0,0 +1,20 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/details/log_msg.h"
+
+namespace spdlog {
+
+class formatter
+{
+public:
+    virtual ~formatter() = default;
+    virtual void format(const details::log_msg &msg, fmt::memory_buffer &dest) = 0;
+    virtual std::unique_ptr<formatter> clone() const = 0;
+};
+} // namespace spdlog

libs/spdlog/logger.h

@@ -0,0 +1,167 @@
+//
+// Copyright(c) 2015-2108 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// Thread safe logger (except for set_pattern(..), set_formatter(..) and
+// set_error_handler())
+// Has name, log level, vector of std::shared sink pointers and formatter
+// Upon each log write the logger:
+// 1. Checks if its log level is enough to log the message and if yes:
+// 2. Call the underlying sinks to do the job.
+// 3. Each sink use its own private copy of a formatter to format the message
+// and send to its destination.
+//
+// The use of private formatter per sink provides the opportunity to cache some
+// formatted data,
+// and support customize format per each sink.
+
+#include "spdlog/common.h"
+#include "spdlog/formatter.h"
+#include "spdlog/sinks/sink.h"
+
+#include <locale>
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace spdlog {
+
+class logger
+{
+public:
+    logger(std::string name, sink_ptr single_sink);
+    logger(std::string name, sinks_init_list sinks);
+
+    template<typename It>
+    logger(std::string name, It begin, It end);
+
+    virtual ~logger();
+
+    logger(const logger &) = delete;
+    logger &operator=(const logger &) = delete;
+
+    template<typename... Args>
+    void log(level::level_enum lvl, const char *fmt, const Args &... args);
+
+    template<typename... Args>
+    void log(level::level_enum lvl, const char *msg);
+
+    template<typename... Args>
+    void trace(const char *fmt, const Args &... args);
+
+    template<typename... Args>
+    void debug(const char *fmt, const Args &... args);
+
+    template<typename... Args>
+    void info(const char *fmt, const Args &... args);
+
+    template<typename... Args>
+    void warn(const char *fmt, const Args &... args);
+
+    template<typename... Args>
+    void error(const char *fmt, const Args &... args);
+
+    template<typename... Args>
+    void critical(const char *fmt, const Args &... args);
+
+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
+#ifndef _WIN32
+#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
+#else
+    template<typename... Args>
+    void log(level::level_enum lvl, const wchar_t *fmt, const Args &... args);
+
+    template<typename... Args>
+    void trace(const wchar_t *fmt, const Args &... args);
+
+    template<typename... Args>
+    void debug(const wchar_t *fmt, const Args &... args);
+
+    template<typename... Args>
+    void info(const wchar_t *fmt, const Args &... args);
+
+    template<typename... Args>
+    void warn(const wchar_t *fmt, const Args &... args);
+
+    template<typename... Args>
+    void error(const wchar_t *fmt, const Args &... args);
+
+    template<typename... Args>
+    void critical(const wchar_t *fmt, const Args &... args);
+#endif // _WIN32
+#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
+
+    template<typename T>
+    void log(level::level_enum lvl, const T &);
+
+    template<typename T>
+    void trace(const T &msg);
+
+    template<typename T>
+    void debug(const T &msg);
+
+    template<typename T>
+    void info(const T &msg);
+
+    template<typename T>
+    void warn(const T &msg);
+
+    template<typename T>
+    void error(const T &msg);
+
+    template<typename T>
+    void critical(const T &msg);
+
+    bool should_log(level::level_enum msg_level) const;
+    void set_level(level::level_enum log_level);
+    level::level_enum level() const;
+    const std::string &name() const;
+
+    // set formatting for the sinks in this logger.
+    // each sink will get a seperate instance of the formatter object.
+    void set_formatter(std::unique_ptr<formatter> formatter);
+    void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);
+
+    // flush functions
+    void flush();
+    void flush_on(level::level_enum log_level);
+    level::level_enum flush_level() const;
+
+    // sinks
+    const std::vector<sink_ptr> &sinks() const;
+    std::vector<sink_ptr> &sinks();
+
+    // error handler
+    void set_error_handler(log_err_handler err_handler);
+    log_err_handler error_handler();
+
+    // create new logger with same sinks and configuration.
+    virtual std::shared_ptr<logger> clone(std::string logger_name);
+
+protected:
+    virtual void sink_it_(details::log_msg &msg);
+    virtual void flush_();
+
+    bool should_flush_(const details::log_msg &msg);
+
+    // default error handler: print the error to stderr with the max rate of 1
+    // message/minute
+    void default_err_handler_(const std::string &msg);
+
+    // increment the message count (only if defined(SPDLOG_ENABLE_MESSAGE_COUNTER))
+    void incr_msg_counter_(details::log_msg &msg);
+
+    const std::string name_;
+    std::vector<sink_ptr> sinks_;
+    spdlog::level_t level_;
+    spdlog::level_t flush_level_;
+    log_err_handler err_handler_;
+    std::atomic<time_t> last_err_time_;
+    std::atomic<size_t> msg_counter_;
+};
+} // namespace spdlog
+
+#include "spdlog/details/logger_impl.h"

libs/spdlog/sinks/android_sink.h

@@ -0,0 +1,117 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/fmt_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/details/os.h"
+#include "spdlog/sinks/base_sink.h"
+
+#include <android/log.h>
+#include <chrono>
+#include <mutex>
+#include <string>
+#include <thread>
+
+#if !defined(SPDLOG_ANDROID_RETRIES)
+#define SPDLOG_ANDROID_RETRIES 2
+#endif
+
+namespace spdlog {
+namespace sinks {
+
+/*
+ * Android sink (logging using __android_log_write)
+ */
+template<typename Mutex>
+class android_sink final : public base_sink<Mutex>
+{
+public:
+    explicit android_sink(std::string tag = "spdlog", bool use_raw_msg = false)
+        : tag_(std::move(tag))
+        , use_raw_msg_(use_raw_msg)
+    {
+    }
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+        const android_LogPriority priority = convert_to_android_(msg.level);
+        fmt::memory_buffer formatted;
+        if (use_raw_msg_)
+        {
+            details::fmt_helper::append_buf(msg.raw, formatted);
+        }
+        else
+        {
+            sink::formatter_->format(msg, formatted);
+        }
+        formatted.push_back('\0');
+        const char *msg_output = formatted.data();
+
+        // See system/core/liblog/logger_write.c for explanation of return value
+        int ret = __android_log_write(priority, tag_.c_str(), msg_output);
+        int retry_count = 0;
+        while ((ret == -11 /*EAGAIN*/) && (retry_count < SPDLOG_ANDROID_RETRIES))
+        {
+            details::os::sleep_for_millis(5);
+            ret = __android_log_write(priority, tag_.c_str(), msg_output);
+            retry_count++;
+        }
+
+        if (ret < 0)
+        {
+            throw spdlog_ex("__android_log_write() failed", ret);
+        }
+    }
+
+    void flush_() override {}
+
+private:
+    static android_LogPriority convert_to_android_(spdlog::level::level_enum level)
+    {
+        switch (level)
+        {
+        case spdlog::level::trace:
+            return ANDROID_LOG_VERBOSE;
+        case spdlog::level::debug:
+            return ANDROID_LOG_DEBUG;
+        case spdlog::level::info:
+            return ANDROID_LOG_INFO;
+        case spdlog::level::warn:
+            return ANDROID_LOG_WARN;
+        case spdlog::level::err:
+            return ANDROID_LOG_ERROR;
+        case spdlog::level::critical:
+            return ANDROID_LOG_FATAL;
+        default:
+            return ANDROID_LOG_DEFAULT;
+        }
+    }
+
+    std::string tag_;
+    bool use_raw_msg_;
+};
+
+using android_sink_mt = android_sink<std::mutex>;
+using android_sink_st = android_sink<details::null_mutex>;
+} // namespace sinks
+
+// Create and register android syslog logger
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> android_logger_mt(const std::string &logger_name, const std::string &tag = "spdlog")
+{
+    return Factory::template create<sinks::android_sink_mt>(logger_name, tag);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> android_logger_st(const std::string &logger_name, const std::string &tag = "spdlog")
+{
+    return Factory::template create<sinks::android_sink_st>(logger_name, tag);
+}
+
+} // namespace spdlog

libs/spdlog/sinks/ansicolor_sink.h

@@ -0,0 +1,157 @@
+//
+// Copyright(c) 2017 spdlog authors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/console_globals.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/details/os.h"
+#include "spdlog/sinks/sink.h"
+
+#include <memory>
+#include <mutex>
+#include <string>
+#include <unordered_map>
+
+namespace spdlog {
+namespace sinks {
+
+/**
+ * This sink prefixes the output with an ANSI escape sequence color code
+ * depending on the severity
+ * of the message.
+ * If no color terminal detected, omit the escape codes.
+ */
+template<typename TargetStream, class ConsoleMutex>
+class ansicolor_sink final : public sink
+{
+public:
+    using mutex_t = typename ConsoleMutex::mutex_t;
+    ansicolor_sink()
+        : target_file_(TargetStream::stream())
+        , mutex_(ConsoleMutex::mutex())
+
+    {
+        should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
+        colors_[level::trace] = white;
+        colors_[level::debug] = cyan;
+        colors_[level::info] = green;
+        colors_[level::warn] = yellow + bold;
+        colors_[level::err] = red + bold;
+        colors_[level::critical] = bold + on_red;
+        colors_[level::off] = reset;
+    }
+
+    ~ansicolor_sink() override = default;
+
+    ansicolor_sink(const ansicolor_sink &other) = delete;
+    ansicolor_sink &operator=(const ansicolor_sink &other) = delete;
+
+    void set_color(level::level_enum color_level, const std::string &color)
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        colors_[color_level] = color;
+    }
+
+    /// Formatting codes
+    const std::string reset = "\033[m";
+    const std::string bold = "\033[1m";
+    const std::string dark = "\033[2m";
+    const std::string underline = "\033[4m";
+    const std::string blink = "\033[5m";
+    const std::string reverse = "\033[7m";
+    const std::string concealed = "\033[8m";
+    const std::string clear_line = "\033[K";
+
+    // Foreground colors
+    const std::string black = "\033[30m";
+    const std::string red = "\033[31m";
+    const std::string green = "\033[32m";
+    const std::string yellow = "\033[33m";
+    const std::string blue = "\033[34m";
+    const std::string magenta = "\033[35m";
+    const std::string cyan = "\033[36m";
+    const std::string white = "\033[37m";
+
+    /// Background colors
+    const std::string on_black = "\033[40m";
+    const std::string on_red = "\033[41m";
+    const std::string on_green = "\033[42m";
+    const std::string on_yellow = "\033[43m";
+    const std::string on_blue = "\033[44m";
+    const std::string on_magenta = "\033[45m";
+    const std::string on_cyan = "\033[46m";
+    const std::string on_white = "\033[47m";
+
+    void log(const details::log_msg &msg) override
+    {
+        // Wrap the originally formatted message in color codes.
+        // If color is not supported in the terminal, log as is instead.
+        std::lock_guard<mutex_t> lock(mutex_);
+
+        fmt::memory_buffer formatted;
+        formatter_->format(msg, formatted);
+        if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
+        {
+            // before color range
+            print_range_(formatted, 0, msg.color_range_start);
+            // in color range
+            print_ccode_(colors_[msg.level]);
+            print_range_(formatted, msg.color_range_start, msg.color_range_end);
+            print_ccode_(reset);
+            // after color range
+            print_range_(formatted, msg.color_range_end, formatted.size());
+        }
+        else // no color
+        {
+            print_range_(formatted, 0, formatted.size());
+        }
+        fflush(target_file_);
+    }
+
+    void flush() override
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        fflush(target_file_);
+    }
+
+    void set_pattern(const std::string &pattern) final
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
+    }
+
+    void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        formatter_ = std::move(sink_formatter);
+    }
+
+private:
+    void print_ccode_(const std::string &color_code)
+    {
+        fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
+    }
+    void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
+    {
+        fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
+    }
+
+    FILE *target_file_;
+    mutex_t &mutex_;
+
+    bool should_do_colors_;
+    std::unordered_map<level::level_enum, std::string, level::level_hasher> colors_;
+};
+
+using ansicolor_stdout_sink_mt = ansicolor_sink<details::console_stdout, details::console_mutex>;
+using ansicolor_stdout_sink_st = ansicolor_sink<details::console_stdout, details::console_nullmutex>;
+
+using ansicolor_stderr_sink_mt = ansicolor_sink<details::console_stderr, details::console_mutex>;
+using ansicolor_stderr_sink_st = ansicolor_sink<details::console_stderr, details::console_nullmutex>;
+
+} // namespace sinks
+
+} // namespace spdlog

libs/spdlog/sinks/base_sink.h

@@ -0,0 +1,69 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+//
+// base sink templated over a mutex (either dummy or real)
+// concrete implementation should override the sink_it_() and flush_()  methods.
+// locking is taken care of in this class - no locking needed by the
+// implementers..
+//
+
+#include "spdlog/common.h"
+#include "spdlog/details/log_msg.h"
+#include "spdlog/formatter.h"
+#include "spdlog/sinks/sink.h"
+
+namespace spdlog {
+namespace sinks {
+template<typename Mutex>
+class base_sink : public sink
+{
+public:
+    base_sink() = default;
+    base_sink(const base_sink &) = delete;
+    base_sink &operator=(const base_sink &) = delete;
+
+    void log(const details::log_msg &msg) final
+    {
+        std::lock_guard<Mutex> lock(mutex_);
+        sink_it_(msg);
+    }
+
+    void flush() final
+    {
+        std::lock_guard<Mutex> lock(mutex_);
+        flush_();
+    }
+
+    void set_pattern(const std::string &pattern) final
+    {
+        std::lock_guard<Mutex> lock(mutex_);
+        set_pattern_(pattern);
+    }
+
+    void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final
+    {
+        std::lock_guard<Mutex> lock(mutex_);
+        set_formatter_(std::move(sink_formatter));
+    }
+
+protected:
+    virtual void sink_it_(const details::log_msg &msg) = 0;
+    virtual void flush_() = 0;
+
+    virtual void set_pattern_(const std::string &pattern)
+    {
+        set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
+    }
+
+    virtual void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter)
+    {
+        formatter_ = std::move(sink_formatter);
+    }
+    Mutex mutex_;
+};
+} // namespace sinks
+} // namespace spdlog

libs/spdlog/sinks/basic_file_sink.h

@@ -0,0 +1,66 @@
+//
+// Copyright(c) 2015-2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+#include "spdlog/details/file_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/base_sink.h"
+#include "spdlog/spdlog.h"
+
+#include <mutex>
+#include <string>
+
+namespace spdlog {
+namespace sinks {
+/*
+ * Trivial file sink with single file as target
+ */
+template<typename Mutex>
+class basic_file_sink final : public base_sink<Mutex>
+{
+public:
+    explicit basic_file_sink(const filename_t &filename, bool truncate = false)
+    {
+        file_helper_.open(filename, truncate);
+    }
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+        fmt::memory_buffer formatted;
+        sink::formatter_->format(msg, formatted);
+        file_helper_.write(formatted);
+    }
+
+    void flush_() override
+    {
+        file_helper_.flush();
+    }
+
+private:
+    details::file_helper file_helper_;
+};
+
+using basic_file_sink_mt = basic_file_sink<std::mutex>;
+using basic_file_sink_st = basic_file_sink<details::null_mutex>;
+
+} // namespace sinks
+
+//
+// factory functions
+//
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> basic_logger_mt(const std::string &logger_name, const filename_t &filename, bool truncate = false)
+{
+    return Factory::template create<sinks::basic_file_sink_mt>(logger_name, filename, truncate);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> basic_logger_st(const std::string &logger_name, const filename_t &filename, bool truncate = false)
+{
+    return Factory::template create<sinks::basic_file_sink_st>(logger_name, filename, truncate);
+}
+
+} // namespace spdlog

libs/spdlog/sinks/daily_file_sink.h

@@ -0,0 +1,132 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+#include "spdlog/details/file_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/sinks/base_sink.h"
+#include "spdlog/spdlog.h"
+
+#include <chrono>
+#include <cstdio>
+#include <ctime>
+#include <mutex>
+#include <string>
+
+namespace spdlog {
+namespace sinks {
+
+/*
+ * Generator of daily log file names in format basename.YYYY-MM-DD.ext
+ */
+struct daily_filename_calculator
+{
+    // Create filename for the form basename.YYYY-MM-DD
+    static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
+    {
+        filename_t basename, ext;
+        std::tie(basename, ext) = details::file_helper::split_by_extenstion(filename);
+        std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
+        fmt::format_to(
+            w, SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
+        return fmt::to_string(w);
+    }
+};
+
+/*
+ * Rotating file sink based on date. rotates at midnight
+ */
+template<typename Mutex, typename FileNameCalc = daily_filename_calculator>
+class daily_file_sink final : public base_sink<Mutex>
+{
+public:
+    // create daily file sink which rotates on given time
+    daily_file_sink(filename_t base_filename, int rotation_hour, int rotation_minute, bool truncate = false)
+        : base_filename_(std::move(base_filename))
+        , rotation_h_(rotation_hour)
+        , rotation_m_(rotation_minute)
+        , truncate_(truncate)
+    {
+        if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
+        {
+            throw spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
+        }
+        auto now = log_clock::now();
+        file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(now)), truncate_);
+        rotation_tp_ = next_rotation_tp_();
+    }
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+
+        if (msg.time >= rotation_tp_)
+        {
+            file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(msg.time)), truncate_);
+            rotation_tp_ = next_rotation_tp_();
+        }
+        fmt::memory_buffer formatted;
+        sink::formatter_->format(msg, formatted);
+        file_helper_.write(formatted);
+    }
+
+    void flush_() override
+    {
+        file_helper_.flush();
+    }
+
+private:
+    tm now_tm(log_clock::time_point tp)
+    {
+        time_t tnow = log_clock::to_time_t(tp);
+        return spdlog::details::os::localtime(tnow);
+    }
+
+    log_clock::time_point next_rotation_tp_()
+    {
+        auto now = log_clock::now();
+        tm date = now_tm(now);
+        date.tm_hour = rotation_h_;
+        date.tm_min = rotation_m_;
+        date.tm_sec = 0;
+        auto rotation_time = log_clock::from_time_t(std::mktime(&date));
+        if (rotation_time > now)
+        {
+            return rotation_time;
+        }
+        return {rotation_time + std::chrono::hours(24)};
+    }
+
+    filename_t base_filename_;
+    int rotation_h_;
+    int rotation_m_;
+    log_clock::time_point rotation_tp_;
+    details::file_helper file_helper_;
+    bool truncate_;
+};
+
+using daily_file_sink_mt = daily_file_sink<std::mutex>;
+using daily_file_sink_st = daily_file_sink<details::null_mutex>;
+
+} // namespace sinks
+
+//
+// factory functions
+//
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> daily_logger_mt(
+    const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false)
+{
+    return Factory::template create<sinks::daily_file_sink_mt>(logger_name, filename, hour, minute, truncate);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> daily_logger_st(
+    const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false)
+{
+    return Factory::template create<sinks::daily_file_sink_st>(logger_name, filename, hour, minute, truncate);
+}
+} // namespace spdlog

libs/spdlog/sinks/dist_sink.h

@@ -0,0 +1,90 @@
+//
+// Copyright (c) 2015 David Schury, Gabi Melman
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "base_sink.h"
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/null_mutex.h"
+
+#include <algorithm>
+#include <memory>
+#include <mutex>
+#include <vector>
+
+// Distribution sink (mux). Stores a vector of sinks which get called when log
+// is called
+
+namespace spdlog {
+namespace sinks {
+
+template<typename Mutex>
+class dist_sink : public base_sink<Mutex>
+{
+public:
+    dist_sink() = default;
+    dist_sink(const dist_sink &) = delete;
+    dist_sink &operator=(const dist_sink &) = delete;
+
+    void add_sink(std::shared_ptr<sink> sink)
+    {
+        std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
+        sinks_.push_back(sink);
+    }
+
+    void remove_sink(std::shared_ptr<sink> sink)
+    {
+        std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
+        sinks_.erase(std::remove(sinks_.begin(), sinks_.end(), sink), sinks_.end());
+    }
+
+    void set_sinks(std::vector<std::shared_ptr<sink>> sinks)
+    {
+        std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
+        sinks_ = std::move(sinks);
+    }
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+
+        for (auto &sink : sinks_)
+        {
+            if (sink->should_log(msg.level))
+            {
+                sink->log(msg);
+            }
+        }
+    }
+
+    void flush_() override
+    {
+        for (auto &sink : sinks_)
+        {
+            sink->flush();
+        }
+    }
+
+    void set_pattern_(const std::string &pattern) override
+    {
+        set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
+    }
+
+    void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter) override
+    {
+        base_sink<Mutex>::formatter_ = std::move(sink_formatter);
+        for (auto &sink : sinks_)
+        {
+            sink->set_formatter(base_sink<Mutex>::formatter_->clone());
+        }
+    }
+    std::vector<std::shared_ptr<sink>> sinks_;
+};
+
+using dist_sink_mt = dist_sink<std::mutex>;
+using dist_sink_st = dist_sink<details::null_mutex>;
+
+} // namespace sinks
+} // namespace spdlog

libs/spdlog/sinks/msvc_sink.h

@@ -0,0 +1,50 @@
+//
+// Copyright(c) 2016 Alexander Dalshov.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#if defined(_WIN32)
+
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/base_sink.h"
+
+#include <winbase.h>
+
+#include <mutex>
+#include <string>
+
+namespace spdlog {
+namespace sinks {
+/*
+ * MSVC sink (logging using OutputDebugStringA)
+ */
+template<typename Mutex>
+class msvc_sink : public base_sink<Mutex>
+{
+public:
+    explicit msvc_sink() {}
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+
+        fmt::memory_buffer formatted;
+        sink::formatter_->format(msg, formatted);
+        OutputDebugStringA(fmt::to_string(formatted).c_str());
+    }
+
+    void flush_() override {}
+};
+
+using msvc_sink_mt = msvc_sink<std::mutex>;
+using msvc_sink_st = msvc_sink<details::null_mutex>;
+
+using windebug_sink_mt = msvc_sink_mt;
+using windebug_sink_st = msvc_sink_st;
+
+} // namespace sinks
+} // namespace spdlog
+
+#endif

libs/spdlog/sinks/null_sink.h

@@ -0,0 +1,28 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/base_sink.h"
+
+#include <mutex>
+
+namespace spdlog {
+namespace sinks {
+
+template<typename Mutex>
+class null_sink : public base_sink<Mutex>
+{
+protected:
+    void sink_it_(const details::log_msg &) override {}
+    void flush_() override {}
+};
+
+using null_sink_mt = null_sink<std::mutex>;
+using null_sink_st = null_sink<details::null_mutex>;
+
+} // namespace sinks
+} // namespace spdlog

libs/spdlog/sinks/ostream_sink.h

@@ -0,0 +1,53 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/base_sink.h"
+
+#include <mutex>
+#include <ostream>
+
+namespace spdlog {
+namespace sinks {
+template<typename Mutex>
+class ostream_sink final : public base_sink<Mutex>
+{
+public:
+    explicit ostream_sink(std::ostream &os, bool force_flush = false)
+        : ostream_(os)
+        , force_flush_(force_flush)
+    {
+    }
+    ostream_sink(const ostream_sink &) = delete;
+    ostream_sink &operator=(const ostream_sink &) = delete;
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+        fmt::memory_buffer formatted;
+        sink::formatter_->format(msg, formatted);
+        ostream_.write(formatted.data(), static_cast<std::streamsize>(formatted.size()));
+        if (force_flush_)
+        {
+            ostream_.flush();
+        }
+    }
+
+    void flush_() override
+    {
+        ostream_.flush();
+    }
+
+    std::ostream &ostream_;
+    bool force_flush_;
+};
+
+using ostream_sink_mt = ostream_sink<std::mutex>;
+using ostream_sink_st = ostream_sink<details::null_mutex>;
+
+} // namespace sinks
+} // namespace spdlog

libs/spdlog/sinks/rotating_file_sink.h

@@ -0,0 +1,150 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+#include "spdlog/details/file_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/sinks/base_sink.h"
+#include "spdlog/spdlog.h"
+
+#include <cerrno>
+#include <chrono>
+#include <ctime>
+#include <mutex>
+#include <string>
+#include <tuple>
+
+namespace spdlog {
+namespace sinks {
+
+//
+// Rotating file sink based on size
+//
+template<typename Mutex>
+class rotating_file_sink final : public base_sink<Mutex>
+{
+public:
+    rotating_file_sink(filename_t base_filename, std::size_t max_size, std::size_t max_files)
+        : base_filename_(std::move(base_filename))
+        , max_size_(max_size)
+        , max_files_(max_files)
+    {
+        file_helper_.open(calc_filename(base_filename_, 0));
+        current_size_ = file_helper_.size(); // expensive. called only once
+    }
+
+    // calc filename according to index and file extension if exists.
+    // e.g. calc_filename("logs/mylog.txt, 3) => "logs/mylog.3.txt".
+    static filename_t calc_filename(const filename_t &filename, std::size_t index)
+    {
+        typename std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
+        if (index != 0u)
+        {
+            filename_t basename, ext;
+            std::tie(basename, ext) = details::file_helper::split_by_extenstion(filename);
+            fmt::format_to(w, SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
+        }
+        else
+        {
+            fmt::format_to(w, SPDLOG_FILENAME_T("{}"), filename);
+        }
+        return fmt::to_string(w);
+    }
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+        fmt::memory_buffer formatted;
+        sink::formatter_->format(msg, formatted);
+        current_size_ += formatted.size();
+        if (current_size_ > max_size_)
+        {
+            rotate_();
+            current_size_ = formatted.size();
+        }
+        file_helper_.write(formatted);
+    }
+
+    void flush_() override
+    {
+        file_helper_.flush();
+    }
+
+private:
+    // Rotate files:
+    // log.txt -> log.1.txt
+    // log.1.txt -> log.2.txt
+    // log.2.txt -> log.3.txt
+    // log.3.txt -> delete
+    void rotate_()
+    {
+        using details::os::filename_to_str;
+        file_helper_.close();
+        for (auto i = max_files_; i > 0; --i)
+        {
+            filename_t src = calc_filename(base_filename_, i - 1);
+            if (!details::file_helper::file_exists(src))
+            {
+                continue;
+            }
+            filename_t target = calc_filename(base_filename_, i);
+
+            if (!rename_file(src, target))
+            {
+                // if failed try again after a small delay.
+                // this is a workaround to a windows issue, where very high rotation
+                // rates can cause the rename to fail with permission denied (because of antivirus?).
+                details::os::sleep_for_millis(100);
+                if (!rename_file(src, target))
+                {
+                    file_helper_.reopen(true); // truncate the log file anyway to prevent it to grow beyond its limit!
+                    throw spdlog_ex(
+                        "rotating_file_sink: failed renaming " + filename_to_str(src) + " to " + filename_to_str(target), errno);
+                }
+            }
+        }
+        file_helper_.reopen(true);
+    }
+
+    // delete the target if exists, and rename the src file  to target
+    // return true on success, false otherwise.
+    bool rename_file(const filename_t &src_filename, const filename_t &target_filename)
+    {
+        // try to delete the target file in case it already exists.
+        (void)details::os::remove(target_filename);
+        return details::os::rename(src_filename, target_filename) == 0;
+    }
+
+    filename_t base_filename_;
+    std::size_t max_size_;
+    std::size_t max_files_;
+    std::size_t current_size_;
+    details::file_helper file_helper_;
+};
+
+using rotating_file_sink_mt = rotating_file_sink<std::mutex>;
+using rotating_file_sink_st = rotating_file_sink<details::null_mutex>;
+
+} // namespace sinks
+
+//
+// factory functions
+//
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> rotating_logger_mt(
+    const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files)
+{
+    return Factory::template create<sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> rotating_logger_st(
+    const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files)
+{
+    return Factory::template create<sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files);
+}
+} // namespace spdlog

libs/spdlog/sinks/sink.h

@@ -0,0 +1,59 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/pattern_formatter.h"
+#include "spdlog/formatter.h"
+
+namespace spdlog {
+namespace sinks {
+class sink
+{
+public:
+    sink()
+        : level_(level::trace)
+        , formatter_(new pattern_formatter("%+"))
+    {
+    }
+
+    explicit sink(std::unique_ptr<spdlog::pattern_formatter> formatter)
+        : level_(level::trace)
+        , formatter_(std::move(formatter))
+    {
+    }
+
+    virtual ~sink() = default;
+    virtual void log(const details::log_msg &msg) = 0;
+    virtual void flush() = 0;
+    virtual void set_pattern(const std::string &pattern) = 0;
+    virtual void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) = 0;
+
+    bool should_log(level::level_enum msg_level) const
+    {
+        return msg_level >= level_.load(std::memory_order_relaxed);
+    }
+
+    void set_level(level::level_enum log_level)
+    {
+        level_.store(log_level);
+    }
+
+    level::level_enum level() const
+    {
+        return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
+    }
+
+protected:
+    // sink log level - default is all
+    level_t level_;
+
+    // sink formatter - default is full format
+    std::unique_ptr<spdlog::formatter> formatter_;
+};
+
+} // namespace sinks
+} // namespace spdlog

libs/spdlog/sinks/stdout_color_sinks.h

@@ -0,0 +1,53 @@
+//
+// Copyright(c) 2018 spdlog
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/spdlog.h"
+#ifdef _WIN32
+#include "spdlog/sinks/wincolor_sink.h"
+#else
+#include "spdlog/sinks/ansicolor_sink.h"
+#endif
+
+namespace spdlog {
+namespace sinks {
+#ifdef _WIN32
+using stdout_color_sink_mt = wincolor_stdout_sink_mt;
+using stdout_color_sink_st = wincolor_stdout_sink_st;
+using stderr_color_sink_mt = wincolor_stderr_sink_mt;
+using stderr_color_sink_st = wincolor_stderr_sink_st;
+#else
+using stdout_color_sink_mt = ansicolor_stdout_sink_mt;
+using stdout_color_sink_st = ansicolor_stdout_sink_st;
+using stderr_color_sink_mt = ansicolor_stderr_sink_mt;
+using stderr_color_sink_st = ansicolor_stderr_sink_st;
+#endif
+} // namespace sinks
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stdout_color_mt(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stdout_color_sink_mt>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stdout_color_st(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stdout_color_sink_st>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stderr_color_mt(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stderr_color_sink_mt>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stderr_color_st(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stderr_color_sink_mt>(logger_name);
+}
+} // namespace spdlog

libs/spdlog/sinks/stdout_sinks.h

@@ -0,0 +1,99 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/console_globals.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/spdlog.h"
+
+#include <cstdio>
+#include <memory>
+#include <mutex>
+
+namespace spdlog {
+
+namespace sinks {
+
+template<typename TargetStream, typename ConsoleMutex>
+class stdout_sink final : public sink
+{
+public:
+    using mutex_t = typename ConsoleMutex::mutex_t;
+    stdout_sink()
+        : mutex_(ConsoleMutex::mutex())
+        , file_(TargetStream::stream())
+    {
+    }
+    ~stdout_sink() override = default;
+
+    stdout_sink(const stdout_sink &other) = delete;
+    stdout_sink &operator=(const stdout_sink &other) = delete;
+
+    void log(const details::log_msg &msg) override
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        fmt::memory_buffer formatted;
+        formatter_->format(msg, formatted);
+        fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
+        fflush(TargetStream::stream());
+    }
+
+    void flush() override
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        fflush(file_);
+    }
+
+    void set_pattern(const std::string &pattern) override
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
+    }
+
+    void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        formatter_ = std::move(sink_formatter);
+    }
+
+private:
+    mutex_t &mutex_;
+    FILE *file_;
+};
+
+using stdout_sink_mt = stdout_sink<details::console_stdout, details::console_mutex>;
+using stdout_sink_st = stdout_sink<details::console_stdout, details::console_nullmutex>;
+
+using stderr_sink_mt = stdout_sink<details::console_stderr, details::console_mutex>;
+using stderr_sink_st = stdout_sink<details::console_stderr, details::console_nullmutex>;
+
+} // namespace sinks
+
+// factory methods
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stdout_sink_mt>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stdout_sink_st>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stderr_sink_mt>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name)
+{
+    return Factory::template create<sinks::stderr_sink_st>(logger_name);
+}
+} // namespace spdlog

libs/spdlog/sinks/syslog_sink.h

@@ -0,0 +1,91 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/sinks/base_sink.h"
+#include "spdlog/spdlog.h"
+
+#include <array>
+#include <string>
+#include <syslog.h>
+
+namespace spdlog {
+namespace sinks {
+/**
+ * Sink that write to syslog using the `syscall()` library call.
+ *
+ * Locking is not needed, as `syslog()` itself is thread-safe.
+ */
+template<typename Mutex>
+class syslog_sink : public base_sink<Mutex>
+{
+public:
+    //
+    explicit syslog_sink(std::string ident = "", int syslog_option = 0, int syslog_facility = LOG_USER)
+        : ident_(std::move(ident))
+    {
+        priorities_[static_cast<size_t>(level::trace)] = LOG_DEBUG;
+        priorities_[static_cast<size_t>(level::debug)] = LOG_DEBUG;
+        priorities_[static_cast<size_t>(level::info)] = LOG_INFO;
+        priorities_[static_cast<size_t>(level::warn)] = LOG_WARNING;
+        priorities_[static_cast<size_t>(level::err)] = LOG_ERR;
+        priorities_[static_cast<size_t>(level::critical)] = LOG_CRIT;
+        priorities_[static_cast<size_t>(level::off)] = LOG_INFO;
+
+        // set ident to be program name if empty
+        ::openlog(ident_.empty() ? nullptr : ident_.c_str(), syslog_option, syslog_facility);
+    }
+
+    ~syslog_sink() override
+    {
+        ::closelog();
+    }
+
+    syslog_sink(const syslog_sink &) = delete;
+    syslog_sink &operator=(const syslog_sink &) = delete;
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+        ::syslog(syslog_prio_from_level(msg), "%s", fmt::to_string(msg.raw).c_str());
+    }
+
+    void flush_() override {}
+
+private:
+    std::array<int, 7> priorities_;
+    // must store the ident because the man says openlog might use the pointer as
+    // is and not a string copy
+    const std::string ident_;
+
+    //
+    // Simply maps spdlog's log level to syslog priority level.
+    //
+    int syslog_prio_from_level(const details::log_msg &msg) const
+    {
+        return priorities_[static_cast<size_t>(msg.level)];
+    }
+};
+
+using syslog_sink_mt = syslog_sink<std::mutex>;
+using syslog_sink_st = syslog_sink<details::null_mutex>;
+} // namespace sinks
+
+// Create and register a syslog logger
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> syslog_logger_mt(
+    const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0, int syslog_facility = (1 << 3))
+{
+    return Factory::template create<sinks::syslog_sink_mt>(logger_name, syslog_ident, syslog_option, syslog_facility);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> syslog_logger_st(
+    const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0, int syslog_facility = (1 << 3))
+{
+    return Factory::template create<sinks::syslog_sink_st>(logger_name, syslog_ident, syslog_option, syslog_facility);
+}
+} // namespace spdlog

libs/spdlog/sinks/wincolor_sink.h

@@ -0,0 +1,139 @@
+//
+// Copyright(c) 2016 spdlog
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/common.h"
+#include "spdlog/details/console_globals.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/sink.h"
+
+#include <memory>
+#include <mutex>
+#include <string>
+#include <unordered_map>
+#include <wincon.h>
+
+namespace spdlog {
+namespace sinks {
+/*
+ * Windows color console sink. Uses WriteConsoleA to write to the console with
+ * colors
+ */
+template<typename OutHandle, typename ConsoleMutex>
+class wincolor_sink : public sink
+{
+public:
+    const WORD BOLD = FOREGROUND_INTENSITY;
+    const WORD RED = FOREGROUND_RED;
+    const WORD GREEN = FOREGROUND_GREEN;
+    const WORD CYAN = FOREGROUND_GREEN | FOREGROUND_BLUE;
+    const WORD WHITE = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
+    const WORD YELLOW = FOREGROUND_RED | FOREGROUND_GREEN;
+
+    wincolor_sink()
+        : out_handle_(OutHandle::handle())
+        , mutex_(ConsoleMutex::mutex())
+    {
+        colors_[level::trace] = WHITE;
+        colors_[level::debug] = CYAN;
+        colors_[level::info] = GREEN;
+        colors_[level::warn] = YELLOW | BOLD;
+        colors_[level::err] = RED | BOLD;                         // red bold
+        colors_[level::critical] = BACKGROUND_RED | WHITE | BOLD; // white bold on red background
+        colors_[level::off] = 0;
+    }
+
+    ~wincolor_sink() override
+    {
+        this->flush();
+    }
+
+    wincolor_sink(const wincolor_sink &other) = delete;
+    wincolor_sink &operator=(const wincolor_sink &other) = delete;
+
+    // change the color for the given level
+    void set_color(level::level_enum level, WORD color)
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        colors_[level] = color;
+    }
+
+    void log(const details::log_msg &msg) final override
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        fmt::memory_buffer formatted;
+        formatter_->format(msg, formatted);
+        if (msg.color_range_end > msg.color_range_start)
+        {
+            // before color range
+            print_range_(formatted, 0, msg.color_range_start);
+
+            // in color range
+            auto orig_attribs = set_console_attribs(colors_[msg.level]);
+            print_range_(formatted, msg.color_range_start, msg.color_range_end);
+            ::SetConsoleTextAttribute(out_handle_,
+                orig_attribs); // reset to orig colors
+                               // after color range
+            print_range_(formatted, msg.color_range_end, formatted.size());
+        }
+        else // print without colors if color range is invalid
+        {
+            print_range_(formatted, 0, formatted.size());
+        }
+    }
+
+    void flush() final override
+    {
+        // windows console always flushed?
+    }
+
+    void set_pattern(const std::string &pattern) override final
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
+    }
+
+    void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override final
+    {
+        std::lock_guard<mutex_t> lock(mutex_);
+        formatter_ = std::move(sink_formatter);
+    }
+
+private:
+    using mutex_t = typename ConsoleMutex::mutex_t;
+    // set color and return the orig console attributes (for resetting later)
+    WORD set_console_attribs(WORD attribs)
+    {
+        CONSOLE_SCREEN_BUFFER_INFO orig_buffer_info;
+        ::GetConsoleScreenBufferInfo(out_handle_, &orig_buffer_info);
+        WORD back_color = orig_buffer_info.wAttributes;
+        // retrieve the current background color
+        back_color &= static_cast<WORD>(~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY));
+        // keep the background color unchanged
+        ::SetConsoleTextAttribute(out_handle_, attribs | back_color);
+        return orig_buffer_info.wAttributes; // return orig attribs
+    }
+
+    // print a range of formatted message to console
+    void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
+    {
+        auto size = static_cast<DWORD>(end - start);
+        ::WriteConsoleA(out_handle_, formatted.data() + start, size, nullptr, nullptr);
+    }
+
+    HANDLE out_handle_;
+    mutex_t &mutex_;
+    std::unordered_map<level::level_enum, WORD, level::level_hasher> colors_;
+};
+
+using wincolor_stdout_sink_mt = wincolor_sink<details::console_stdout, details::console_mutex>;
+using wincolor_stdout_sink_st = wincolor_sink<details::console_stdout, details::console_nullmutex>;
+
+using wincolor_stderr_sink_mt = wincolor_sink<details::console_stderr, details::console_mutex>;
+using wincolor_stderr_sink_st = wincolor_sink<details::console_stderr, details::console_nullmutex>;
+
+} // namespace sinks
+} // namespace spdlog

libs/spdlog/spdlog.h

@@ -0,0 +1,161 @@
+//
+// Copyright(c) 2015-2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+// spdlog main header file.
+// see example.cpp for usage example
+
+#pragma once
+
+#include "spdlog/common.h"
+#include "spdlog/details/registry.h"
+#include "spdlog/logger.h"
+#include "spdlog/version.h"
+
+#include <chrono>
+#include <functional>
+#include <memory>
+#include <string>
+
+namespace spdlog {
+
+// Default logger factory-  creates synchronous loggers
+struct synchronous_factory
+{
+    template<typename Sink, typename... SinkArgs>
+
+    static std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&... args)
+    {
+        auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
+        auto new_logger = std::make_shared<logger>(std::move(logger_name), std::move(sink));
+        details::registry::instance().register_and_init(new_logger);
+        return new_logger;
+    }
+};
+
+using default_factory = synchronous_factory;
+
+// Create and register a logger with a templated sink type
+// The logger's level, formatter and flush level will be set according the
+// global settings.
+// Example:
+// spdlog::create<daily_file_sink_st>("logger_name", "dailylog_filename", 11, 59);
+template<typename Sink, typename... SinkArgs>
+inline std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&... sink_args)
+{
+    return default_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
+}
+
+// Return an existing logger or nullptr if a logger with such name doesn't
+// exist.
+// example: spdlog::get("my_logger")->info("hello {}", "world");
+inline std::shared_ptr<logger> get(const std::string &name)
+{
+    return details::registry::instance().get(name);
+}
+
+// Set global formatter. Each sink in each logger will get a clone of this object
+inline void set_formatter(std::unique_ptr<spdlog::formatter> formatter)
+{
+    details::registry::instance().set_formatter(std::move(formatter));
+}
+
+// Set global format string.
+// example: spdlog::set_pattern("%Y-%m-%d %H:%M:%S.%e %l : %v");
+inline void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local)
+{
+    set_formatter(std::unique_ptr<spdlog::formatter>(new pattern_formatter(std::move(pattern), time_type)));
+}
+
+// Set global logging level
+inline void set_level(level::level_enum log_level)
+{
+    details::registry::instance().set_level(log_level);
+}
+
+// Set global flush level
+inline void flush_on(level::level_enum log_level)
+{
+    details::registry::instance().flush_on(log_level);
+}
+
+// Start/Restart a periodic flusher thread
+// Warning: Use only if all your loggers are thread safe!
+inline void flush_every(std::chrono::seconds interval)
+{
+    details::registry::instance().flush_every(interval);
+}
+
+// Set global error handler
+inline void set_error_handler(log_err_handler handler)
+{
+    details::registry::instance().set_error_handler(std::move(handler));
+}
+
+// Register the given logger with the given name
+inline void register_logger(std::shared_ptr<logger> logger)
+{
+    details::registry::instance().register_logger(std::move(logger));
+}
+
+// Apply a user defined function on all registered loggers
+// Example:
+// spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) {l->flush();});
+inline void apply_all(const std::function<void(std::shared_ptr<logger>)> &fun)
+{
+    details::registry::instance().apply_all(fun);
+}
+
+// Drop the reference to the given logger
+inline void drop(const std::string &name)
+{
+    details::registry::instance().drop(name);
+}
+
+// Drop all references from the registry
+inline void drop_all()
+{
+    details::registry::instance().drop_all();
+}
+
+// stop any running threads started by spdlog and clean registry loggers
+inline void shutdown()
+{
+    details::registry::instance().shutdown();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// Trace & Debug can be switched on/off at compile time for zero cost debug
+// statements.
+// Uncomment SPDLOG_DEBUG_ON/SPDLOG_TRACE_ON in tweakme.h to enable.
+// SPDLOG_TRACE(..) will also print current file and line.
+//
+// Example:
+// spdlog::set_level(spdlog::level::trace);
+// SPDLOG_TRACE(my_logger, "some trace message");
+// SPDLOG_TRACE(my_logger, "another trace message {} {}", 1, 2);
+// SPDLOG_DEBUG(my_logger, "some debug message {} {}", 3, 4);
+///////////////////////////////////////////////////////////////////////////////
+
+#ifdef SPDLOG_TRACE_ON
+#define SPDLOG_STR_H(x) #x
+#define SPDLOG_STR_HELPER(x) SPDLOG_STR_H(x)
+#ifdef _MSC_VER
+#define SPDLOG_TRACE(logger, ...) logger->trace("[ " __FILE__ "(" SPDLOG_STR_HELPER(__LINE__) ") ] " __VA_ARGS__)
+#else
+#define SPDLOG_TRACE(logger, ...)                                                                                                          \
+    logger->trace("[ " __FILE__ ":" SPDLOG_STR_HELPER(__LINE__) " ]"                                                                       \
+                                                                " " __VA_ARGS__)
+#endif
+#else
+#define SPDLOG_TRACE(logger, ...) (void)0
+#endif
+
+#ifdef SPDLOG_DEBUG_ON
+#define SPDLOG_DEBUG(logger, ...) logger->debug(__VA_ARGS__)
+#else
+#define SPDLOG_DEBUG(logger, ...) (void)0
+#endif
+
+} // namespace spdlog

libs/spdlog/tweakme.h

@@ -0,0 +1,123 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// Edit this file to squeeze more performance, and to customize supported
+// features
+//
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Under Linux, the much faster CLOCK_REALTIME_COARSE clock can be used.
+// This clock is less accurate - can be off by dozens of millis - depending on
+// the kernel HZ.
+// Uncomment to use it instead of the regular clock.
+//
+// #define SPDLOG_CLOCK_COARSE
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment if date/time logging is not needed and never appear in the log
+// pattern.
+// This will prevent spdlog from querying the clock on each log call.
+//
+// WARNING: If the log pattern contains any date/time while this flag is on, the
+// result is undefined.
+//          You must set new pattern(spdlog::set_pattern(..") without any
+//          date/time in it
+//
+// #define SPDLOG_NO_DATETIME
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment if thread id logging is not needed (i.e. no %t in the log pattern).
+// This will prevent spdlog from querying the thread id on each log call.
+//
+// WARNING: If the log pattern contains thread id (i.e, %t) while this flag is
+// on, the result is undefined.
+//
+// #define SPDLOG_NO_THREAD_ID
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to prevent spdlog from caching thread ids in thread local storage.
+// By default spdlog saves thread ids in tls to gain a few micros for each call.
+//
+// WARNING: if your program forks, UNCOMMENT this flag to prevent undefined
+// thread ids in the children logs.
+//
+// #define SPDLOG_DISABLE_TID_CACHING
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment if logger name logging is not needed.
+// This will prevent spdlog from copying the logger name on each log call.
+//
+// #define SPDLOG_NO_NAME
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to enable the SPDLOG_DEBUG/SPDLOG_TRACE macros.
+//
+// #define SPDLOG_DEBUG_ON
+// #define SPDLOG_TRACE_ON
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to avoid spdlog's usage of atomic log levels
+// Use only if your code never modifies a logger's log levels concurrently by
+// different threads.
+//
+// #define SPDLOG_NO_ATOMIC_LEVELS
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to enable usage of wchar_t for file names on Windows.
+//
+// #define SPDLOG_WCHAR_FILENAMES
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to override default eol ("\n" or "\r\n" under Linux/Windows)
+//
+// #define SPDLOG_EOL ";-)\n"
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to use your own copy of the fmt library instead of spdlog's copy.
+// In this case spdlog will try to include <fmt/format.h> so set your -I flag
+// accordingly.
+//
+// #define SPDLOG_FMT_EXTERNAL
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to enable wchar_t support (convert to utf8)
+//
+// #define SPDLOG_WCHAR_TO_UTF8_SUPPORT
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to prevent child processes from inheriting log file descriptors
+//
+// #define SPDLOG_PREVENT_CHILD_FD
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to enable message counting feature.
+// Use the %i in the logger pattern to display log message sequence id.
+//
+// #define SPDLOG_ENABLE_MESSAGE_COUNTER
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// Uncomment to customize level names (e.g. "MT TRACE")
+//
+// #define SPDLOG_LEVEL_NAMES { "MY TRACE", "MY DEBUG", "MY INFO", "MY WARNING",
+// "MY ERROR", "MY CRITICAL", "OFF" }
+///////////////////////////////////////////////////////////////////////////////

libs/spdlog/version.h

@@ -0,0 +1,12 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#define SPDLOG_VER_MAJOR 1
+#define SPDLOG_VER_MINOR 2
+#define SPDLOG_VER_PATCH 0
+
+#define SPDLOG_VERSION (SPDLOG_VER_MAJOR * 10000 + SPDLOG_VER_MINOR * 100 + SPDLOG_VER_PATCH)

m4/ax_boost_base.m4

@@ -1,258 +0,0 @@
-# ===========================================================================
-#       http://www.gnu.org/software/autoconf-archive/ax_boost_base.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-#
-# DESCRIPTION
-#
-#   Test for the Boost C++ libraries of a particular version (or newer)
-#
-#   If no path to the installed boost library is given the macro searchs
-#   under /usr, /usr/local, /opt and /opt/local and evaluates the
-#   $BOOST_ROOT environment variable. Further documentation is available at
-#   <http://randspringer.de/boost/index.html>.
-#
-#   This macro calls:
-#
-#     AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
-#
-#   And sets:
-#
-#     HAVE_BOOST
-#
-# LICENSE
-#
-#   Copyright (c) 2008 Thomas Porschberg <[email protected]>
-#   Copyright (c) 2009 Peter Adolphs
-#
-#   Copying and distribution of this file, with or without modification, are
-#   permitted in any medium without royalty provided the copyright notice
-#   and this notice are preserved. This file is offered as-is, without any
-#   warranty.
-
-#serial 20
-
-AC_DEFUN([AX_BOOST_BASE],
-[
-AC_ARG_WITH([boost],
-  [AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
-    [use Boost library from a standard location (ARG=yes),
-     from the specified location (ARG=<path>),
-     or disable it (ARG=no)
-     @<:@ARG=yes@:>@ ])],
-    [
-    if test "$withval" = "no"; then
-        want_boost="no"
-    elif test "$withval" = "yes"; then
-        want_boost="yes"
-        ac_boost_path=""
-    else
-        want_boost="yes"
-        ac_boost_path="$withval"
-    fi
-    ],
-    [want_boost="yes"])
-
-
-AC_ARG_WITH([boost-libdir],
-        AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
-        [Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]),
-        [
-        if test -d "$withval"
-        then
-                ac_boost_lib_path="$withval"
-        else
-                AC_MSG_ERROR(--with-boost-libdir expected directory name)
-        fi
-        ],
-        [ac_boost_lib_path=""]
-)
-
-if test "x$want_boost" = "xyes"; then
-    boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
-    boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
-    boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
-    boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
-    boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
-    if test "x$boost_lib_version_req_sub_minor" = "x" ; then
-        boost_lib_version_req_sub_minor="0"
-        fi
-    WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+  $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
-    AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
-    succeeded=no
-
-    dnl On 64-bit systems check for system libraries in both lib64 and lib.
-    dnl The former is specified by FHS, but e.g. Debian does not adhere to
-    dnl this (as it rises problems for generic multi-arch support).
-    dnl The last entry in the list is chosen by default when no libraries
-    dnl are found, e.g. when only header-only libraries are installed!
-    libsubdirs="lib"
-    ax_arch=`uname -m`
-    if test $ax_arch = x86_64 -o $ax_arch = ppc64 -o $ax_arch = s390x -o $ax_arch = sparc64; then
-        libsubdirs="lib64 lib lib64"
-    fi
-
-    dnl first we check the system location for boost libraries
-    dnl this location ist chosen if boost libraries are installed with the --layout=system option
-    dnl or if you install boost with RPM
-    if test "$ac_boost_path" != ""; then
-        BOOST_CPPFLAGS="-I$ac_boost_path/include"
-        for ac_boost_path_tmp in $libsubdirs; do
-                if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then
-                        BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp"
-                        break
-                fi
-        done
-    elif test "$cross_compiling" != yes; then
-        for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
-            if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
-                for libsubdir in $libsubdirs ; do
-                    if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
-                done
-                BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir"
-                BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
-                break;
-            fi
-        done
-    fi
-
-    dnl overwrite ld flags if we have required special directory with
-    dnl --with-boost-libdir parameter
-    if test "$ac_boost_lib_path" != ""; then
-       BOOST_LDFLAGS="-L$ac_boost_lib_path"
-    fi
-
-    CPPFLAGS_SAVED="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-    export CPPFLAGS
-
-    LDFLAGS_SAVED="$LDFLAGS"
-    LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
-    export LDFLAGS
-
-    AC_REQUIRE([AC_PROG_CXX])
-    AC_LANG_PUSH(C++)
-        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-    @%:@include <boost/version.hpp>
-    ]], [[
-    #if BOOST_VERSION >= $WANT_BOOST_VERSION
-    // Everything is okay
-    #else
-    #  error Boost version is too old
-    #endif
-    ]])],[
-        AC_MSG_RESULT(yes)
-    succeeded=yes
-    found_system=yes
-        ],[
-        ])
-    AC_LANG_POP([C++])
-
-
-
-    dnl if we found no boost with system layout we search for boost libraries
-    dnl built and installed without the --layout=system option or for a staged(not installed) version
-    if test "x$succeeded" != "xyes"; then
-        _version=0
-        if test "$ac_boost_path" != ""; then
-            if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
-                for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
-                    _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
-                    V_CHECK=`expr $_version_tmp \> $_version`
-                    if test "$V_CHECK" = "1" ; then
-                        _version=$_version_tmp
-                    fi
-                    VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
-                    BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
-                done
-            fi
-        else
-            if test "$cross_compiling" != yes; then
-                for ac_boost_path in /usr /usr/local /opt /opt/local ; do
-                    if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
-                        for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
-                            _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
-                            V_CHECK=`expr $_version_tmp \> $_version`
-                            if test "$V_CHECK" = "1" ; then
-                                _version=$_version_tmp
-                                best_path=$ac_boost_path
-                            fi
-                        done
-                    fi
-                done
-
-                VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
-                BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
-                if test "$ac_boost_lib_path" = ""; then
-                    for libsubdir in $libsubdirs ; do
-                        if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
-                    done
-                    BOOST_LDFLAGS="-L$best_path/$libsubdir"
-                fi
-            fi
-
-            if test "x$BOOST_ROOT" != "x"; then
-                for libsubdir in $libsubdirs ; do
-                    if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
-                done
-                if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then
-                    version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
-                    stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
-                        stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
-                    V_CHECK=`expr $stage_version_shorten \>\= $_version`
-                    if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
-                        AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
-                        BOOST_CPPFLAGS="-I$BOOST_ROOT"
-                        BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
-                    fi
-                fi
-            fi
-        fi
-
-        CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-        export CPPFLAGS
-        LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
-        export LDFLAGS
-
-        AC_LANG_PUSH(C++)
-            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-        @%:@include <boost/version.hpp>
-        ]], [[
-        #if BOOST_VERSION >= $WANT_BOOST_VERSION
-        // Everything is okay
-        #else
-        #  error Boost version is too old
-        #endif
-        ]])],[
-            AC_MSG_RESULT(yes)
-        succeeded=yes
-        found_system=yes
-            ],[
-            ])
-        AC_LANG_POP([C++])
-    fi
-
-    if test "$succeeded" != "yes" ; then
-        if test "$_version" = "0" ; then
-            AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
-        else
-            AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
-        fi
-        # execute ACTION-IF-NOT-FOUND (if present):
-        ifelse([$3], , :, [$3])
-    else
-        AC_SUBST(BOOST_CPPFLAGS)
-        AC_SUBST(BOOST_LDFLAGS)
-        AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
-        # execute ACTION-IF-FOUND (if present):
-        ifelse([$2], , :, [$2])
-    fi
-
-    CPPFLAGS="$CPPFLAGS_SAVED"
-    LDFLAGS="$LDFLAGS_SAVED"
-fi
-
-])

m4/ax_boost_iostreams.m4

@@ -1,116 +0,0 @@
-# ===========================================================================
-#    http://www.gnu.org/software/autoconf-archive/ax_boost_iostreams.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_BOOST_IOSTREAMS
-#
-# DESCRIPTION
-#
-#   Test for IOStreams library from the Boost C++ libraries. The macro
-#   requires a preceding call to AX_BOOST_BASE. Further documentation is
-#   available at <http://randspringer.de/boost/index.html>.
-#
-#   This macro calls:
-#
-#     AC_SUBST(BOOST_IOSTREAMS_LIB)
-#
-#   And sets:
-#
-#     HAVE_BOOST_IOSTREAMS
-#
-# LICENSE
-#
-#   Copyright (c) 2008 Thomas Porschberg <[email protected]>
-#
-#   Copying and distribution of this file, with or without modification, are
-#   permitted in any medium without royalty provided the copyright notice
-#   and this notice are preserved. This file is offered as-is, without any
-#   warranty.
-
-#serial 20
-
-AC_DEFUN([AX_BOOST_IOSTREAMS],
-[
-	AC_ARG_WITH([boost-iostreams],
-	AS_HELP_STRING([--with-boost-iostreams@<:@=special-lib@:>@],
-                   [use the IOStreams library from boost - it is possible to specify a certain library for the linker
-                        e.g. --with-boost-iostreams=boost_iostreams-gcc-mt-d-1_33_1 ]),
-        [
-        if test "$withval" = "no"; then
-			want_boost="no"
-        elif test "$withval" = "yes"; then
-            want_boost="yes"
-            ax_boost_user_iostreams_lib=""
-        else
-		    want_boost="yes"
-		ax_boost_user_iostreams_lib="$withval"
-		fi
-        ],
-        [want_boost="yes"]
-	)
-
-	if test "x$want_boost" = "xyes"; then
-        AC_REQUIRE([AC_PROG_CC])
-		CPPFLAGS_SAVED="$CPPFLAGS"
-		CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-		export CPPFLAGS
-
-		LDFLAGS_SAVED="$LDFLAGS"
-		LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
-		export LDFLAGS
-
-        AC_CACHE_CHECK(whether the Boost::IOStreams library is available,
-					   ax_cv_boost_iostreams,
-        [AC_LANG_PUSH([C++])
-		 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/iostreams/filtering_stream.hpp>
-											 @%:@include <boost/range/iterator_range.hpp>
-											]],
-                                  [[std::string  input = "Hello World!";
-								 namespace io = boost::iostreams;
-									 io::filtering_istream  in(boost::make_iterator_range(input));
-									 return 0;
-                                   ]])],
-                             ax_cv_boost_iostreams=yes, ax_cv_boost_iostreams=no)
-         AC_LANG_POP([C++])
-		])
-		if test "x$ax_cv_boost_iostreams" = "xyes"; then
-			AC_DEFINE(HAVE_BOOST_IOSTREAMS,,[define if the Boost::IOStreams library is available])
-            BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
-            if test "x$ax_boost_user_iostreams_lib" = "x"; then
-                for libextension in `ls $BOOSTLIBDIR/libboost_iostreams*.so* $BOOSTLIBDIR/libboost_iostream*.dylib* $BOOSTLIBDIR/libboost_iostreams*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_iostreams.*\)\.so.*$;\1;' -e 's;^lib\(boost_iostream.*\)\.dylib.*$;\1;' -e 's;^lib\(boost_iostreams.*\)\.a.*$;\1;'` ; do
-                     ax_lib=${libextension}
-				    AC_CHECK_LIB($ax_lib, exit,
-                                 [BOOST_IOSTREAMS_LIB="-l$ax_lib"; AC_SUBST(BOOST_IOSTREAMS_LIB) link_iostreams="yes"; break],
-                                 [link_iostreams="no"])
-				done
-                if test "x$link_iostreams" != "xyes"; then
-                for libextension in `ls $BOOSTLIBDIR/boost_iostreams*.dll* $BOOSTLIBDIR/boost_iostreams*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_iostreams.*\)\.dll.*$;\1;' -e 's;^\(boost_iostreams.*\)\.a.*$;\1;'` ; do
-                     ax_lib=${libextension}
-				    AC_CHECK_LIB($ax_lib, exit,
-                                 [BOOST_IOSTREAMS_LIB="-l$ax_lib"; AC_SUBST(BOOST_IOSTREAMS_LIB) link_iostreams="yes"; break],
-                                 [link_iostreams="no"])
-				done
-                fi
-
-            else
-               for ax_lib in $ax_boost_user_iostreams_lib boost_iostreams-$ax_boost_user_iostreams_lib; do
-				      AC_CHECK_LIB($ax_lib, main,
-                                   [BOOST_IOSTREAMS_LIB="-l$ax_lib"; AC_SUBST(BOOST_IOSTREAMS_LIB) link_iostreams="yes"; break],
-                                   [link_iostreams="no"])
-                  done
-
-            fi
-            if test "x$ax_lib" = "x"; then
-                AC_MSG_ERROR(Could not find a version of the library!)
-            fi
-			if test "x$link_iostreams" != "xyes"; then
-				AC_MSG_ERROR(Could not link against $ax_lib !)
-			fi
-		fi
-
-		CPPFLAGS="$CPPFLAGS_SAVED"
-	LDFLAGS="$LDFLAGS_SAVED"
-	fi
-])

m4/ax_boost_system.m4

@@ -1,120 +0,0 @@
-# ===========================================================================
-#      http://www.gnu.org/software/autoconf-archive/ax_boost_system.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_BOOST_SYSTEM
-#
-# DESCRIPTION
-#
-#   Test for System library from the Boost C++ libraries. The macro requires
-#   a preceding call to AX_BOOST_BASE. Further documentation is available at
-#   <http://randspringer.de/boost/index.html>.
-#
-#   This macro calls:
-#
-#     AC_SUBST(BOOST_SYSTEM_LIB)
-#
-#   And sets:
-#
-#     HAVE_BOOST_SYSTEM
-#
-# LICENSE
-#
-#   Copyright (c) 2008 Thomas Porschberg <[email protected]>
-#   Copyright (c) 2008 Michael Tindal
-#   Copyright (c) 2008 Daniel Casimiro <[email protected]>
-#
-#   Copying and distribution of this file, with or without modification, are
-#   permitted in any medium without royalty provided the copyright notice
-#   and this notice are preserved. This file is offered as-is, without any
-#   warranty.
-
-#serial 17
-
-AC_DEFUN([AX_BOOST_SYSTEM],
-[
-	AC_ARG_WITH([boost-system],
-	AS_HELP_STRING([--with-boost-system@<:@=special-lib@:>@],
-                   [use the System library from boost - it is possible to specify a certain library for the linker
-                        e.g. --with-boost-system=boost_system-gcc-mt ]),
-        [
-        if test "$withval" = "no"; then
-			want_boost="no"
-        elif test "$withval" = "yes"; then
-            want_boost="yes"
-            ax_boost_user_system_lib=""
-        else
-		    want_boost="yes"
-		ax_boost_user_system_lib="$withval"
-		fi
-        ],
-        [want_boost="yes"]
-	)
-
-	if test "x$want_boost" = "xyes"; then
-        AC_REQUIRE([AC_PROG_CC])
-        AC_REQUIRE([AC_CANONICAL_BUILD])
-		CPPFLAGS_SAVED="$CPPFLAGS"
-		CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-		export CPPFLAGS
-
-		LDFLAGS_SAVED="$LDFLAGS"
-		LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
-		export LDFLAGS
-
-        AC_CACHE_CHECK(whether the Boost::System library is available,
-					   ax_cv_boost_system,
-        [AC_LANG_PUSH([C++])
-			 CXXFLAGS_SAVE=$CXXFLAGS
-
-			 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/system/error_code.hpp>]],
-                                   [[boost::system::system_category]])],
-                   ax_cv_boost_system=yes, ax_cv_boost_system=no)
-			 CXXFLAGS=$CXXFLAGS_SAVE
-             AC_LANG_POP([C++])
-		])
-		if test "x$ax_cv_boost_system" = "xyes"; then
-			AC_SUBST(BOOST_CPPFLAGS)
-
-			AC_DEFINE(HAVE_BOOST_SYSTEM,,[define if the Boost::System library is available])
-            BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
-
-			LDFLAGS_SAVE=$LDFLAGS
-            if test "x$ax_boost_user_system_lib" = "x"; then
-                for libextension in `ls -r $BOOSTLIBDIR/libboost_system* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'` ; do
-                     ax_lib=${libextension}
-				    AC_CHECK_LIB($ax_lib, exit,
-                                 [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
-                                 [link_system="no"])
-				done
-                if test "x$link_system" != "xyes"; then
-                for libextension in `ls -r $BOOSTLIBDIR/boost_system* 2>/dev/null | sed 's,.*/,,' | sed -e 's,\..*,,'` ; do
-                     ax_lib=${libextension}
-				    AC_CHECK_LIB($ax_lib, exit,
-                                 [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
-                                 [link_system="no"])
-				done
-                fi
-
-            else
-               for ax_lib in $ax_boost_user_system_lib boost_system-$ax_boost_user_system_lib; do
-				      AC_CHECK_LIB($ax_lib, exit,
-                                   [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
-                                   [link_system="no"])
-                  done
-
-            fi
-            if test "x$ax_lib" = "x"; then
-                AC_MSG_ERROR(Could not find a version of the library!)
-            fi
-			if test "x$link_system" = "xno"; then
-				AC_MSG_ERROR(Could not link against $ax_lib !)
-			fi
-		fi
-
-		CPPFLAGS="$CPPFLAGS_SAVED"
-	LDFLAGS="$LDFLAGS_SAVED"
-	fi
-])

m4/ax_check_compile_flag.m4

@@ -1,72 +0,0 @@
-# ===========================================================================
-#   http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS])
-#
-# DESCRIPTION
-#
-#   Check whether the given FLAG works with the current language's compiler
-#   or gives an error.  (Warnings, however, are ignored)
-#
-#   ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
-#   success/failure.
-#
-#   If EXTRA-FLAGS is defined, it is added to the current language's default
-#   flags (e.g. CFLAGS) when the check is done.  The check is thus made with
-#   the flags: "CFLAGS EXTRA-FLAGS FLAG".  This can for example be used to
-#   force the compiler to issue an error when a bad flag is given.
-#
-#   NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
-#   macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
-#
-# LICENSE
-#
-#   Copyright (c) 2008 Guido U. Draheim <[email protected]>
-#   Copyright (c) 2011 Maarten Bosmans <[email protected]>
-#
-#   This program is free software: you can redistribute it and/or modify it
-#   under the terms of the GNU General Public License as published by the
-#   Free Software Foundation, either version 3 of the License, or (at your
-#   option) any later version.
-#
-#   This program is distributed in the hope that it will be useful, but
-#   WITHOUT ANY WARRANTY; without even the implied warranty of
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
-#   Public License for more details.
-#
-#   You should have received a copy of the GNU General Public License along
-#   with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-#   As a special exception, the respective Autoconf Macro's copyright owner
-#   gives unlimited permission to copy, distribute and modify the configure
-#   scripts that are the output of Autoconf when processing the Macro. You
-#   need not follow the terms of the GNU General Public License when using
-#   or distributing such scripts, even though portions of the text of the
-#   Macro appear in them. The GNU General Public License (GPL) does govern
-#   all other use of the material that constitutes the Autoconf Macro.
-#
-#   This special exception to the GPL applies to versions of the Autoconf
-#   Macro released by the Autoconf Archive. When you make and distribute a
-#   modified version of the Autoconf Macro, you may extend this special
-#   exception to the GPL to apply to your modified version as well.
-
-#serial 2
-
-AC_DEFUN([AX_CHECK_COMPILE_FLAG],
-[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX
-AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
-AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
-  ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
-  _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
-    [AS_VAR_SET(CACHEVAR,[yes])],
-    [AS_VAR_SET(CACHEVAR,[no])])
-  _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
-AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
-  [m4_default([$2], :)],
-  [m4_default([$3], :)])
-AS_VAR_POPDEF([CACHEVAR])dnl
-])dnl AX_CHECK_COMPILE_FLAGS

m4/ax_pthread.m4

@@ -1,332 +0,0 @@
-# ===========================================================================
-#        http://www.gnu.org/software/autoconf-archive/ax_pthread.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
-#
-# DESCRIPTION
-#
-#   This macro figures out how to build C programs using POSIX threads. It
-#   sets the PTHREAD_LIBS output variable to the threads library and linker
-#   flags, and the PTHREAD_CFLAGS output variable to any special C compiler
-#   flags that are needed. (The user can also force certain compiler
-#   flags/libs to be tested by setting these environment variables.)
-#
-#   Also sets PTHREAD_CC to any special C compiler that is needed for
-#   multi-threaded programs (defaults to the value of CC otherwise). (This
-#   is necessary on AIX to use the special cc_r compiler alias.)
-#
-#   NOTE: You are assumed to not only compile your program with these flags,
-#   but also link it with them as well. e.g. you should link with
-#   $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
-#
-#   If you are only building threads programs, you may wish to use these
-#   variables in your default LIBS, CFLAGS, and CC:
-#
-#     LIBS="$PTHREAD_LIBS $LIBS"
-#     CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-#     CC="$PTHREAD_CC"
-#
-#   In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
-#   has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
-#   (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
-#
-#   Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
-#   PTHREAD_PRIO_INHERIT symbol is defined when compiling with
-#   PTHREAD_CFLAGS.
-#
-#   ACTION-IF-FOUND is a list of shell commands to run if a threads library
-#   is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
-#   is not found. If ACTION-IF-FOUND is not specified, the default action
-#   will define HAVE_PTHREAD.
-#
-#   Please let the authors know if this macro fails on any platform, or if
-#   you have any other suggestions or comments. This macro was based on work
-#   by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help
-#   from M. Frigo), as well as ac_pthread and hb_pthread macros posted by
-#   Alejandro Forero Cuervo to the autoconf macro repository. We are also
-#   grateful for the helpful feedback of numerous users.
-#
-#   Updated for Autoconf 2.68 by Daniel Richard G.
-#
-# LICENSE
-#
-#   Copyright (c) 2008 Steven G. Johnson <[email protected]>
-#   Copyright (c) 2011 Daniel Richard G. <[email protected]>
-#
-#   This program is free software: you can redistribute it and/or modify it
-#   under the terms of the GNU General Public License as published by the
-#   Free Software Foundation, either version 3 of the License, or (at your
-#   option) any later version.
-#
-#   This program is distributed in the hope that it will be useful, but
-#   WITHOUT ANY WARRANTY; without even the implied warranty of
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
-#   Public License for more details.
-#
-#   You should have received a copy of the GNU General Public License along
-#   with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-#   As a special exception, the respective Autoconf Macro's copyright owner
-#   gives unlimited permission to copy, distribute and modify the configure
-#   scripts that are the output of Autoconf when processing the Macro. You
-#   need not follow the terms of the GNU General Public License when using
-#   or distributing such scripts, even though portions of the text of the
-#   Macro appear in them. The GNU General Public License (GPL) does govern
-#   all other use of the material that constitutes the Autoconf Macro.
-#
-#   This special exception to the GPL applies to versions of the Autoconf
-#   Macro released by the Autoconf Archive. When you make and distribute a
-#   modified version of the Autoconf Macro, you may extend this special
-#   exception to the GPL to apply to your modified version as well.
-
-#serial 21
-
-AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
-AC_DEFUN([AX_PTHREAD], [
-AC_REQUIRE([AC_CANONICAL_HOST])
-AC_LANG_PUSH([C])
-ax_pthread_ok=no
-
-# We used to check for pthread.h first, but this fails if pthread.h
-# requires special compiler flags (e.g. on True64 or Sequent).
-# It gets checked for in the link test anyway.
-
-# First of all, check if the user has set any of the PTHREAD_LIBS,
-# etcetera environment variables, and if threads linking works using
-# them:
-if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
-        save_CFLAGS="$CFLAGS"
-        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-        save_LIBS="$LIBS"
-        LIBS="$PTHREAD_LIBS $LIBS"
-        AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
-        AC_TRY_LINK_FUNC([pthread_join], [ax_pthread_ok=yes])
-        AC_MSG_RESULT([$ax_pthread_ok])
-        if test x"$ax_pthread_ok" = xno; then
-                PTHREAD_LIBS=""
-                PTHREAD_CFLAGS=""
-        fi
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
-fi
-
-# We must check for the threads library under a number of different
-# names; the ordering is very important because some systems
-# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
-# libraries is broken (non-POSIX).
-
-# Create a list of thread flags to try.  Items starting with a "-" are
-# C compiler flags, and other items are library names, except for "none"
-# which indicates that we try without any flags at all, and "pthread-config"
-# which is a program returning the flags for the Pth emulation library.
-
-ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
-
-# The ordering *is* (sometimes) important.  Some notes on the
-# individual items follow:
-
-# pthreads: AIX (must check this before -lpthread)
-# none: in case threads are in libc; should be tried before -Kthread and
-#       other compiler flags to prevent continual compiler warnings
-# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
-# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
-# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
-# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
-# -pthreads: Solaris/gcc
-# -mthreads: Mingw32/gcc, Lynx/gcc
-# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
-#      doesn't hurt to check since this sometimes defines pthreads too;
-#      also defines -D_REENTRANT)
-#      ... -mt is also the pthreads flag for HP/aCC
-# pthread: Linux, etcetera
-# --thread-safe: KAI C++
-# pthread-config: use pthread-config program (for GNU Pth library)
-
-case ${host_os} in
-        solaris*)
-
-        # On Solaris (at least, for some versions), libc contains stubbed
-        # (non-functional) versions of the pthreads routines, so link-based
-        # tests will erroneously succeed.  (We need to link with -pthreads/-mt/
-        # -lpthread.)  (The stubs are missing pthread_cleanup_push, or rather
-        # a function called by this macro, so we could check for that, but
-        # who knows whether they'll stub that too in a future libc.)  So,
-        # we'll just look for -pthreads and -lpthread first:
-
-        ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
-        ;;
-
-        darwin*)
-        ax_pthread_flags="-pthread $ax_pthread_flags"
-        ;;
-esac
-
-# Clang doesn't consider unrecognized options an error unless we specify
-# -Werror. We throw in some extra Clang-specific options to ensure that
-# this doesn't happen for GCC, which also accepts -Werror.
-
-AC_MSG_CHECKING([if compiler needs -Werror to reject unknown flags])
-save_CFLAGS="$CFLAGS"
-ax_pthread_extra_flags="-Werror"
-CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int foo(void);],[foo()])],
-                  [AC_MSG_RESULT([yes])],
-                  [ax_pthread_extra_flags=
-                   AC_MSG_RESULT([no])])
-CFLAGS="$save_CFLAGS"
-
-if test x"$ax_pthread_ok" = xno; then
-for flag in $ax_pthread_flags; do
-
-        case $flag in
-                none)
-                AC_MSG_CHECKING([whether pthreads work without any flags])
-                ;;
-
-                -*)
-                AC_MSG_CHECKING([whether pthreads work with $flag])
-                PTHREAD_CFLAGS="$flag"
-                ;;
-
-                pthread-config)
-                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
-                if test x"$ax_pthread_config" = xno; then continue; fi
-                PTHREAD_CFLAGS="`pthread-config --cflags`"
-                PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
-                ;;
-
-                *)
-                AC_MSG_CHECKING([for the pthreads library -l$flag])
-                PTHREAD_LIBS="-l$flag"
-                ;;
-        esac
-
-        save_LIBS="$LIBS"
-        save_CFLAGS="$CFLAGS"
-        LIBS="$PTHREAD_LIBS $LIBS"
-        CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags"
-
-        # Check for various functions.  We must include pthread.h,
-        # since some functions may be macros.  (On the Sequent, we
-        # need a special flag -Kthread to make this header compile.)
-        # We check for pthread_join because it is in -lpthread on IRIX
-        # while pthread_create is in libc.  We check for pthread_attr_init
-        # due to DEC craziness with -lpthreads.  We check for
-        # pthread_cleanup_push because it is one of the few pthread
-        # functions on Solaris that doesn't have a non-functional libc stub.
-        # We try pthread_create on general principles.
-        AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
-                        static void routine(void *a) { a = 0; }
-                        static void *start_routine(void *a) { return a; }],
-                       [pthread_t th; pthread_attr_t attr;
-                        pthread_create(&th, 0, start_routine, 0);
-                        pthread_join(th, 0);
-                        pthread_attr_init(&attr);
-                        pthread_cleanup_push(routine, 0);
-                        pthread_cleanup_pop(0) /* ; */])],
-                [ax_pthread_ok=yes],
-                [])
-
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
-
-        AC_MSG_RESULT([$ax_pthread_ok])
-        if test "x$ax_pthread_ok" = xyes; then
-                break;
-        fi
-
-        PTHREAD_LIBS=""
-        PTHREAD_CFLAGS=""
-done
-fi
-
-# Various other checks:
-if test "x$ax_pthread_ok" = xyes; then
-        save_LIBS="$LIBS"
-        LIBS="$PTHREAD_LIBS $LIBS"
-        save_CFLAGS="$CFLAGS"
-        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-
-        # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
-        AC_MSG_CHECKING([for joinable pthread attribute])
-        attr_name=unknown
-        for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
-            AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
-                           [int attr = $attr; return attr /* ; */])],
-                [attr_name=$attr; break],
-                [])
-        done
-        AC_MSG_RESULT([$attr_name])
-        if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
-            AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$attr_name],
-                               [Define to necessary symbol if this constant
-                                uses a non-standard name on your system.])
-        fi
-
-        AC_MSG_CHECKING([if more special flags are required for pthreads])
-        flag=no
-        case ${host_os} in
-            aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
-            osf* | hpux*) flag="-D_REENTRANT";;
-            solaris*)
-            if test "$GCC" = "yes"; then
-                flag="-D_REENTRANT"
-            else
-                # TODO: What about Clang on Solaris?
-                flag="-mt -D_REENTRANT"
-            fi
-            ;;
-        esac
-        AC_MSG_RESULT([$flag])
-        if test "x$flag" != xno; then
-            PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
-        fi
-
-        AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
-            [ax_cv_PTHREAD_PRIO_INHERIT], [
-                AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
-                                                [[int i = PTHREAD_PRIO_INHERIT;]])],
-                    [ax_cv_PTHREAD_PRIO_INHERIT=yes],
-                    [ax_cv_PTHREAD_PRIO_INHERIT=no])
-            ])
-        AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
-            [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])])
-
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
-
-        # More AIX lossage: compile with *_r variant
-        if test "x$GCC" != xyes; then
-            case $host_os in
-                aix*)
-                AS_CASE(["x/$CC"],
-                  [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
-                  [#handle absolute path differently from PATH based program lookup
-                   AS_CASE(["x$CC"],
-                     [x/*],
-                     [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
-                     [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
-                ;;
-            esac
-        fi
-fi
-
-test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
-
-AC_SUBST([PTHREAD_LIBS])
-AC_SUBST([PTHREAD_CFLAGS])
-AC_SUBST([PTHREAD_CC])
-
-# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
-if test x"$ax_pthread_ok" = xyes; then
-        ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
-        :
-else
-        ax_pthread_ok=no
-        $2
-fi
-AC_LANG_POP
-])dnl AX_PTHREAD

m4/ev++.m4

@@ -1,135 +0,0 @@
-dnl @synopsis EV_DEVEL
-dnl 
-dnl This macro tries to find the libev library and header files.
-dnl
-dnl We define the following configure script flags:
-dnl
-dnl		--with-ev: Give prefix for both library and headers, and try
-dnl			to guess subdirectory names for each.  (e.g. tack /lib and
-dnl			/include onto given dir name, and other common schemes.)
-dnl		--with-ev-lib: Similar to --with-ev, but for library only.
-dnl		--with-ev-include: Similar to --with-ev, but for headers
-dnl			only.
-
-AC_DEFUN([EV_DEVEL],
-[
-	dnl
-	dnl Set up configure script macros
-	dnl
-	AC_ARG_WITH(ev,
-		[AS_HELP_STRING([--with-ev=<path>],[path containing libev header and library subdirs])],
-		[EV_lib_check="$with_ev/lib64 $with_ev/lib $with_ev/lib64/libev $with_ev/lib/libev"
-		  EV_inc_check="$with_ev/include $with_ev/include/libev"],
-		[EV_lib_check="/usr/local/libev/lib64 /usr/local/libev/lib /usr/local/lib64/libev /usr/local/lib/libev /opt/libev/lib64 /opt/libev/lib /usr/lib64/libev /usr/lib/libev /usr/local/lib64 /usr/local/lib /usr/lib64 /usr/lib"
-		  EV_inc_check="/usr/local/libev/include /usr/local/include/libev /opt/libev/include /usr/local/include/libev /usr/local/include /usr/include/libev /usr/include"])
-	AC_ARG_WITH(ev-lib,
-		[AS_HELP_STRING([--with-ev-lib=<path>],[directory path of libev library])],
-		[EV_lib_check="$with_ev_lib $with_ev_lib/lib64 $with_ev_lib/lib $with_ev_lib/lib64/libev $with_ev_lib/lib/libev"])
-	AC_ARG_WITH(ev-include,
-		[AS_HELP_STRING([--with-ev-include=<path>],[directory path of libev headers])],
-		[EV_inc_check="$with_ev_include $with_ev_include/include $with_ev_include/include/libev"])
-
-	dnl
-	dnl Look for libev library
-	dnl
-	AC_CACHE_CHECK([for libev library location], [ac_cv_ev_lib],
-	[
-		for dir in $EV_lib_check
-		do
-			if test -d "$dir" && \
-				( test -f "$dir/libev.so" ||
-				  test -f "$dir/libev.a" )
-			then
-				ac_cv_ev_lib=$dir
-				break
-			fi
-		done
-
-		if test -z "$ac_cv_ev_lib"
-		then
-			AC_MSG_RESULT([no])
-			AC_MSG_ERROR([Didn't find the libev library dir in '$EV_lib_check'])
-		fi
-
-		case "$ac_cv_ev_lib" in
-			/* )
-				;;
-			* )
-				AC_MSG_RESULT([])
-				AC_MSG_ERROR([The libev library directory ($ac_cv_ev_lib) must be an absolute path.])
-				;;
-		esac
-	])
-	AC_SUBST([EV_LIB_DIR],[$ac_cv_ev_lib])
-
-	dnl
-	dnl Look for libev header file directory
-	dnl
-	AC_CACHE_CHECK([for libev include path], [ac_cv_ev_inc],
-	[
-		for dir in $EV_inc_check
-		do
-			if test -d "$dir" && test -f "$dir/ev++.h"
-			then
-				ac_cv_ev_inc=$dir
-				break
-			fi
-		done
-
-		if test -z "$ac_cv_ev_inc"
-		then
-			AC_MSG_RESULT([no])
-			AC_MSG_ERROR([Didn't find the libev header dir in '$EV_inc_check'])
-		fi
-
-		case "$ac_cv_ev_inc" in
-			/* )
-				;;
-			* )
-				AC_MSG_RESULT([])
-				AC_MSG_ERROR([The libev header directory ($ac_cv_ev_inc) must be an absolute path.])
-				;;
-		esac
-	])
-	AC_SUBST([EV_INC_DIR],[$ac_cv_ev_inc])
-
-	dnl
-	dnl Now check that the above checks resulted in -I and -L flags that
-	dnl let us build actual programs against libev.
-	dnl
-	case "$ac_cv_ev_lib" in
-		/usr/lib)
-			;;
-		*)
-			LDFLAGS="$LDFLAGS -L${ac_cv_ev_lib}"
-			;;
-	esac
-	CPPFLAGS="$CPPFLAGS -I${ac_cv_ev_inc}"
-	AC_MSG_CHECKING([that we can build libev programs])
-	AC_EGREP_CPP(
-		[bad_gcc_libev_ver],
-		[
-#include <ev.h>
-#if __GNUC__ && (__GNUC__ < 4 || __GNUC__ == 4 && __GNUC_MINOR__ < 9) && EV_VERSION_MAJOR == 4 && EV_VERSION_MINOR == 18
-	bad_gcc_libev_ver
-#endif
-		],
-		[AC_MSG_RESULT([no])
-			AC_MSG_ERROR([GCC versions prior to 4.9 cannot compile libev 4.18])],
-		[],
-	)
-
-	LIBS="-lev $LIBS"
-	AC_LANG_PUSH([C++])
-	AC_LINK_IFELSE(
-		[AC_LANG_PROGRAM(
-			[#include <ev++.h>],
-			[ev::io i])
-		],
-		[AC_MSG_RESULT([yes])],
-		[AC_MSG_RESULT([no])
-			AC_MSG_FAILURE([Cannot build libev programs])]
-	)
-	AC_LANG_POP([C++])
-]) dnl End EV_DEVEL
-

m4/mysql++.m4

@@ -1,150 +0,0 @@
-#-######################################################################
-# mysql++.m4 - Example autoconf macro showing how to find MySQL++
-#	library and header files.
-#
-# Copyright (c) 2004-2009 by Educational Technology Resources, Inc.
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as published
-# by the Free Software Foundation; either version 2.1 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with MySQL++; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
-# USA
-#-######################################################################
-
-dnl @synopsis MYSQLPP_DEVEL
-dnl 
-dnl This macro tries to find the MySQL++ library and header files.
-dnl
-dnl We define the following configure script flags:
-dnl
-dnl		--with-mysqlpp: Give prefix for both library and headers, and try
-dnl			to guess subdirectory names for each.  (e.g. tack /lib and
-dnl			/include onto given dir name, and other common schemes.)
-dnl		--with-mysqlpp-lib: Similar to --with-mysqlpp, but for library only.
-dnl		--with-mysqlpp-include: Similar to --with-mysqlpp, but for headers
-dnl			only.
-dnl
-dnl This macro depends on having the default compiler and linker flags
-dnl set up for building programs against the MySQL C API.  The mysql.m4
-dnl macro in this directory fits this bill; run it first.
-dnl
-dnl @version 1.3, 2009/11/22
-dnl @author Warren Young <[email protected]>
-
-AC_DEFUN([MYSQLPP_DEVEL],
-[
-	dnl
-	dnl Set up configure script macros
-	dnl
-	AC_ARG_WITH(mysqlpp,
-		[AS_HELP_STRING([--with-mysqlpp=<path>],[path containing MySQL++ header and library subdirs])],
-		[MYSQLPP_lib_check="$with_mysqlpp/lib64 $with_mysqlpp/lib $with_mysqlpp/lib64/mysql++ $with_mysqlpp/lib/mysql++"
-		  MYSQLPP_inc_check="$with_mysqlpp/include $with_mysqlpp/include/mysql++"],
-		[MYSQLPP_lib_check="/usr/local/mysql++/lib64 /usr/local/mysql++/lib /usr/local/lib64/mysql++ /usr/local/lib/mysql++ /opt/mysql++/lib64 /opt/mysql++/lib /usr/lib64/mysql++ /usr/lib/mysql++ /usr/local/lib64 /usr/local/lib /usr/lib64 /usr/lib"
-		  MYSQLPP_inc_check="/usr/local/mysql++/include /usr/local/include/mysql++ /opt/mysql++/include /usr/local/include/mysql++ /usr/local/include /usr/include/mysql++ /usr/include"])
-	AC_ARG_WITH(mysqlpp-lib,
-		[AS_HELP_STRING([--with-mysqlpp-lib=<path>],[directory path of MySQL++ library])],
-		[MYSQLPP_lib_check="$with_mysqlpp_lib $with_mysqlpp_lib/lib64 $with_mysqlpp_lib/lib $with_mysqlpp_lib/lib64/mysql $with_mysqlpp_lib/lib/mysql"])
-	AC_ARG_WITH(mysqlpp-include,
-		[AS_HELP_STRING([--with-mysqlpp-include=<path>],[directory path of MySQL++ headers])],
-		[MYSQLPP_inc_check="$with_mysqlpp_include $with_mysqlpp_include/include $with_mysqlpp_include/include/mysql"])
-
-	dnl
-	dnl Look for MySQL++ library
-	dnl
-	AC_CACHE_CHECK([for MySQL++ library location], [ac_cv_mysqlpp_lib],
-	[
-		for dir in $MYSQLPP_lib_check
-		do
-			if test -d "$dir" && \
-				( test -f "$dir/libmysqlpp.so" ||
-				  test -f "$dir/libmysqlpp.a" )
-			then
-				ac_cv_mysqlpp_lib=$dir
-				break
-			fi
-		done
-
-		if test -z "$ac_cv_mysqlpp_lib"
-		then
-			AC_MSG_RESULT([no])
-			AC_MSG_ERROR([Didn't find the MySQL++ library dir in '$MYSQLPP_lib_check'])
-		fi
-
-		case "$ac_cv_mysqlpp_lib" in
-			/* )
-				;;
-			* )
-				AC_MSG_RESULT([no])
-				AC_MSG_ERROR([The MySQL++ library directory ($ac_cv_mysqlpp_lib) must be an absolute path.])
-				;;
-		esac
-	])
-	AC_SUBST([MYSQLPP_LIB_DIR],[$ac_cv_mysqlpp_lib])
-
-	dnl
-	dnl Look for MySQL++ header file directory
-	dnl
-	AC_CACHE_CHECK([for MySQL++ include path], [ac_cv_mysqlpp_inc],
-	[
-		for dir in $MYSQLPP_inc_check
-		do
-			if test -d "$dir" && test -f "$dir/mysql++.h"
-			then
-				ac_cv_mysqlpp_inc=$dir
-				break
-			fi
-		done
-
-		if test -z "$ac_cv_mysqlpp_inc"
-		then
-			AC_MSG_RESULT([no])
-			AC_MSG_ERROR([Didn't find the MySQL++ header dir in '$MYSQLPP_inc_check'])
-		fi
-
-		case "$ac_cv_mysqlpp_inc" in
-			/* )
-				;;
-			* )
-				AC_MSG_RESULT([no])
-				AC_MSG_ERROR([The MySQL++ header directory ($ac_cv_mysqlpp_inc) must be an absolute path.])
-				;;
-		esac
-	])
-	AC_SUBST([MYSQLPP_INC_DIR],[$ac_cv_mysqlpp_inc])
-
-	dnl
-	dnl Now check that the above checks resulted in -I and -L flags that
-	dnl let us build actual programs against MySQL++.
-	dnl
-	case "$ac_cv_mysqlpp_lib" in
-		/usr/lib)
-			;;
-		*)
-			LDFLAGS="$LDFLAGS -L${ac_cv_mysqlpp_lib}"
-			;;
-	esac
-	CPPFLAGS="$CPPFLAGS -I${ac_cv_mysqlpp_inc}"
-	LIBS="-lmysqlpp $LIBS"
-	AC_LANG_PUSH([C++])
-	AC_MSG_CHECKING([that we can build MySQL++ programs])
-	AC_LINK_IFELSE(
-		[AC_LANG_PROGRAM(
-			[#include <mysql++.h>],
-			[mysqlpp::Connection c(false)]
-		)],
-		[AC_MSG_RESULT([yes])],
-		[AC_MSG_RESULT([no])
-			AC_MSG_ERROR([Cannot build MySQL++ programs])]
-	)
-	AC_LANG_POP([C++])
-]) dnl End MYSQLPP_DEVEL

m4/mysql_loc.m4

@@ -1,145 +0,0 @@
-dnl @synopsis MYSQL_C_API_LOCATION
-dnl 
-dnl This macro tries to find MySQL C API header and library locations.
-dnl
-dnl We define the following configure script flags:
-dnl
-dnl		--with-mysql: Give prefix for both library and headers, and try
-dnl			to guess subdirectory names for each by tacking common
-dnl			suffixes on like /lib and /include.
-dnl		--with-mysql-lib: Same as --with-mysql, but for library only.
-dnl		--with-mysql-include: Same as --with-mysql, but for headers only.
-dnl
-dnl @version 1.4, 2009/05/28
-dnl @author Warren Young <[email protected]>
-AC_DEFUN([MYSQL_C_API_LOCATION],
-[
-	#
-	# Set up configure script macros
-	#
-	AC_ARG_WITH(mysql,
-		[AS_HELP_STRING([--with-mysql=<path>],[root directory path of MySQL installation])],
-		[MYSQL_lib_check="$with_mysql/lib/mysql $with_mysql/lib"
-		MYSQL_inc_check="$with_mysql/include $with_mysql/include/mysql"],
-		[MYSQL_lib_check="/usr/lib64 /usr/lib /usr/lib64/mysql /usr/lib/mysql /usr/local/lib64 /usr/local/lib /usr/local/lib/mysql /usr/local/mysql/lib /usr/local/mysql/lib/mysql /usr/mysql/lib/mysql /opt/mysql/lib /opt/mysql/lib/mysql /sw/lib /sw/lib/mysql"
-		MYSQL_inc_check="/usr/include/mysql /usr/local/include/mysql /usr/local/mysql/include /usr/local/mysql/include/mysql /usr/mysql/include/mysql /opt/mysql/include/mysql /sw/include/mysql"])
-	AC_ARG_WITH(mysql-lib,
-		[AS_HELP_STRING([--with-mysql-lib=<path>],[directory path of MySQL library installation])],
-		[MYSQL_lib_check="$with_mysql_lib $with_mysql_lib/lib64 $with_mysql_lib/lib $with_mysql_lib/lib64/mysql $with_mysql_lib/lib/mysql"])
-	AC_ARG_WITH(mysql-include,
-		[AS_HELP_STRING([--with-mysql-include=<path>],[directory path of MySQL header installation])],
-		[MYSQL_inc_check="$with_mysql_include $with_mysql_include/include $with_mysql_include/include/mysql"])
-
-	#
-	# Decide which C API library to use, based on thread support
-	#
-	if test "x$acx_pthread_ok" = xyes
-	then
-		MYSQL_C_LIB_NAME=mysqlclient_r
-	else
-		MYSQL_C_LIB_NAME=mysqlclient
-	fi
-
-	#
-	# Look for MySQL C API library
-	#
-	AC_MSG_CHECKING([for MySQL library directory])
-	MYSQL_C_LIB_DIR=
-	for m in $MYSQL_lib_check
-	do
-		if test -d "$m" && \
-			(test -f "$m/lib$MYSQL_C_LIB_NAME.so" || \
-			 test -f "$m/lib$MYSQL_C_LIB_NAME.a")
-		then
-			MYSQL_C_LIB_DIR=$m
-			break
-		fi
-	done
-
-	if test -z "$MYSQL_C_LIB_DIR"
-	then
-		AC_MSG_RESULT([no])
-		AC_MSG_ERROR([Didn't find $MYSQL_C_LIB_NAME library in '$MYSQL_lib_check'])
-	fi
-
-	case "$MYSQL_C_LIB_DIR" in
-		/* )
-			;;
-		* )
-			AC_MSG_RESULT([])
-			AC_MSG_ERROR([The MySQL library directory ($MYSQL_C_LIB_DIR) must be an absolute path.]) ;;
-	esac
-
-	AC_MSG_RESULT([$MYSQL_C_LIB_DIR])
-
-	case "$MYSQL_C_LIB_DIR" in
-		/usr/lib)
-			MYSQL_C_LIB_DIR=
-			;;
-		*)
-			LDFLAGS="$LDFLAGS -L${MYSQL_C_LIB_DIR}"
-			;;
-	esac
-
-
-	#
-	# Look for MySQL C API headers
-	#
-	AC_MSG_CHECKING([for MySQL include directory])
-	MYSQL_C_INC_DIR=
-	for m in $MYSQL_inc_check
-	do
-		if test -d "$m" && test -f "$m/mysql.h"
-		then
-			MYSQL_C_INC_DIR=$m
-			break
-		fi
-	done
-
-	if test -z "$MYSQL_C_INC_DIR"
-	then
-		AC_MSG_RESULT([no])
-		AC_MSG_ERROR([Didn't find the MySQL include dir in '$MYSQL_inc_check'])
-	fi
-
-	case "$MYSQL_C_INC_DIR" in
-		/* )
-			;;
-		* )
-			AC_MSG_RESULT([])
-			AC_MSG_ERROR([The MySQL include directory ($MYSQL_C_INC_DIR) must be an absolute path.]) ;;
-	esac
-
-	AC_MSG_RESULT([$MYSQL_C_INC_DIR])
-
-	CPPFLAGS="$CPPFLAGS -I${MYSQL_C_INC_DIR}"
-
-	AC_MSG_CHECKING([if we can link to MySQL C API library directly])
-	save_LIBS=$LIBS
-	LIBS="-l$MYSQL_C_LIB_NAME $LIBS"
-	AC_LINK_IFELSE(
-		[AC_LANG_PROGRAM(
-			[#include <mysql.h>],
-			[mysql_store_result(0);])],
-		[AC_MSG_RESULT([yes])],
-		[AC_MSG_RESULT([no])
-			LIBS="$save_LIBS"
-			AC_CHECK_HEADERS(zlib.h, AC_CHECK_LIB(z, gzread, [],
-				[AC_MSG_ERROR([zlib not found])]))
-			AC_MSG_CHECKING([whether adding -lz will let MySQL C API link succeed])
-			LIBS="-l$MYSQL_C_LIB_NAME -lz $save_LIBS"
-			AC_LINK_IFELSE(
-				[AC_LANG_PROGRAM(
-					[#include <mysql.h>],
-					[mysql_store_result(0);]
-				)],
-				[AC_MSG_RESULT([yes])],
-				[AC_MSG_RESULT([no])
-					AC_MSG_ERROR([Unable to link to MySQL client library!])]
-			)]
-	)
-
-	AC_SUBST(MYSQL_C_INC_DIR)
-	AC_SUBST(MYSQL_C_LIB_DIR)
-	AC_SUBST(MYSQL_C_LIB_NAME)
-]) dnl MYSQL_C_API_LOCATION

m4/tcmalloc.m4

@@ -1,11 +0,0 @@
-AC_DEFUN([TCMALLOC],
-	[AC_ARG_WITH(
-		[tcmalloc],
-		[AS_HELP_STRING([--with-tcmalloc], [use tcmalloc if it's available [default=yes]])],
-		[],
-		[with_tcmalloc=yes])
-
-	AS_IF([test "x$with_tcmalloc" != "xno"],
-		[AC_CHECK_LIB([tcmalloc], [tc_free])]
-	)]
-)

misc_functions.cpp

@@ -1,81 +0,0 @@
-#include <string>
-#include <iostream>
-#include <sstream>
-
-int32_t strtoint32(const std::string& str) {
-	std::istringstream stream(str);
-	int32_t i = 0;
-	stream >> i;
-	return i;
-}
-
-int64_t strtoint64(const std::string& str) {
-	std::istringstream stream(str);
-	int64_t i = 0;
-	stream >> i;
-	return i;
-}
-
-
-std::string inttostr(const int i) {
-	std::string str;
-	std::stringstream out;
-	out << i;
-	str = out.str();
-	return str;
-}
-
-std::string hex_decode(const std::string &in) {
-	std::string out;
-	out.reserve(20);
-	unsigned int in_length = in.length();
-	for (unsigned int i = 0; i < in_length; i++) {
-		unsigned char x = '0';
-		if (in[i] == '%' && (i + 2) < in_length) {
-			i++;
-			if (in[i] >= 'a' && in[i] <= 'f') {
-				x = static_cast<unsigned char>((in[i]-87) << 4);
-			} else if (in[i] >= 'A' && in[i] <= 'F') {
-				x = static_cast<unsigned char>((in[i]-55) << 4);
-			} else if (in[i] >= '0' && in[i] <= '9') {
-				x = static_cast<unsigned char>((in[i]-48) << 4);
-			}
-
-			i++;
-			if (in[i] >= 'a' && in[i] <= 'f') {
-				x += static_cast<unsigned char>(in[i]-87);
-			} else if (in[i] >= 'A' && in[i] <= 'F') {
-				x += static_cast<unsigned char>(in[i]-55);
-			} else if (in[i] >= '0' && in[i] <= '9') {
-				x += static_cast<unsigned char>(in[i]-48);
-			}
-		} else {
-			x = in[i];
-		}
-		out.push_back(x);
-	}
-	return out;
-}
-
-std::string bintohex(const std::string &in) {
-	std::string out;
-	size_t length = in.length();
-	out.reserve(2*length);
-	for (unsigned int i = 0; i < length; i++) {
-		unsigned char x = static_cast<unsigned char>((in[i] & 0xF0) >> 4);
-		if (x > 9) {
-			x += 'a' - 10;
-		} else {
-			x += '0';
-		}
-		out.push_back(x);
-		x = in[i] & 0x0F;
-		if (x > 9) {
-			x += 'a' - 10;
-		} else {
-			x += '0';
-		}
-		out.push_back(x);
-	}
-	return out;
-}

missing

@@ -1,215 +0,0 @@
-#! /bin/sh
-# Common wrapper for a few potentially missing GNU programs.
-
-scriptversion=2013-10-28.13; # UTC
-
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
-# Originally written by Fran,cois Pinard <[email protected]>, 1996.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-if test $# -eq 0; then
-  echo 1>&2 "Try '$0 --help' for more information"
-  exit 1
-fi
-
-case $1 in
-
-  --is-lightweight)
-    # Used by our autoconf macros to check whether the available missing
-    # script is modern enough.
-    exit 0
-    ;;
-
-  --run)
-    # Back-compat with the calling convention used by older automake.
-    shift
-    ;;
-
-  -h|--h|--he|--hel|--help)
-    echo "\
-$0 [OPTION]... PROGRAM [ARGUMENT]...
-
-Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
-to PROGRAM being missing or too old.
-
-Options:
-  -h, --help      display this help and exit
-  -v, --version   output version information and exit
-
-Supported PROGRAM values:
-  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
-  bison     yacc      flex         lex       help2man
-
-Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
-'g' are ignored when checking the name.
-
-Send bug reports to <[email protected]>."
-    exit $?
-    ;;
-
-  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
-    echo "missing $scriptversion (GNU Automake)"
-    exit $?
-    ;;
-
-  -*)
-    echo 1>&2 "$0: unknown '$1' option"
-    echo 1>&2 "Try '$0 --help' for more information"
-    exit 1
-    ;;
-
-esac
-
-# Run the given program, remember its exit status.
-"$@"; st=$?
-
-# If it succeeded, we are done.
-test $st -eq 0 && exit 0
-
-# Also exit now if we it failed (or wasn't found), and '--version' was
-# passed; such an option is passed most likely to detect whether the
-# program is present and works.
-case $2 in --version|--help) exit $st;; esac
-
-# Exit code 63 means version mismatch.  This often happens when the user
-# tries to use an ancient version of a tool on a file that requires a
-# minimum version.
-if test $st -eq 63; then
-  msg="probably too old"
-elif test $st -eq 127; then
-  # Program was missing.
-  msg="missing on your system"
-else
-  # Program was found and executed, but failed.  Give up.
-  exit $st
-fi
-
-perl_URL=http://www.perl.org/
-flex_URL=http://flex.sourceforge.net/
-gnu_software_URL=http://www.gnu.org/software
-
-program_details ()
-{
-  case $1 in
-    aclocal|automake)
-      echo "The '$1' program is part of the GNU Automake package:"
-      echo "<$gnu_software_URL/automake>"
-      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
-      echo "<$gnu_software_URL/autoconf>"
-      echo "<$gnu_software_URL/m4/>"
-      echo "<$perl_URL>"
-      ;;
-    autoconf|autom4te|autoheader)
-      echo "The '$1' program is part of the GNU Autoconf package:"
-      echo "<$gnu_software_URL/autoconf/>"
-      echo "It also requires GNU m4 and Perl in order to run:"
-      echo "<$gnu_software_URL/m4/>"
-      echo "<$perl_URL>"
-      ;;
-  esac
-}
-
-give_advice ()
-{
-  # Normalize program name to check for.
-  normalized_program=`echo "$1" | sed '
-    s/^gnu-//; t
-    s/^gnu//; t
-    s/^g//; t'`
-
-  printf '%s\n' "'$1' is $msg."
-
-  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
-  case $normalized_program in
-    autoconf*)
-      echo "You should only need it if you modified 'configure.ac',"
-      echo "or m4 files included by it."
-      program_details 'autoconf'
-      ;;
-    autoheader*)
-      echo "You should only need it if you modified 'acconfig.h' or"
-      echo "$configure_deps."
-      program_details 'autoheader'
-      ;;
-    automake*)
-      echo "You should only need it if you modified 'Makefile.am' or"
-      echo "$configure_deps."
-      program_details 'automake'
-      ;;
-    aclocal*)
-      echo "You should only need it if you modified 'acinclude.m4' or"
-      echo "$configure_deps."
-      program_details 'aclocal'
-      ;;
-   autom4te*)
-      echo "You might have modified some maintainer files that require"
-      echo "the 'autom4te' program to be rebuilt."
-      program_details 'autom4te'
-      ;;
-    bison*|yacc*)
-      echo "You should only need it if you modified a '.y' file."
-      echo "You may want to install the GNU Bison package:"
-      echo "<$gnu_software_URL/bison/>"
-      ;;
-    lex*|flex*)
-      echo "You should only need it if you modified a '.l' file."
-      echo "You may want to install the Fast Lexical Analyzer package:"
-      echo "<$flex_URL>"
-      ;;
-    help2man*)
-      echo "You should only need it if you modified a dependency" \
-           "of a man page."
-      echo "You may want to install the GNU Help2man package:"
-      echo "<$gnu_software_URL/help2man/>"
-    ;;
-    makeinfo*)
-      echo "You should only need it if you modified a '.texi' file, or"
-      echo "any other file indirectly affecting the aspect of the manual."
-      echo "You might want to install the Texinfo package:"
-      echo "<$gnu_software_URL/texinfo/>"
-      echo "The spurious makeinfo call might also be the consequence of"
-      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
-      echo "want to install GNU make:"
-      echo "<$gnu_software_URL/make/>"
-      ;;
-    *)
-      echo "You might have modified some files without having the proper"
-      echo "tools for further handling them.  Check the 'README' file, it"
-      echo "often tells you about the needed prerequisites for installing"
-      echo "this package.  You may also peek at any GNU archive site, in"
-      echo "case some other package contains this missing '$1' program."
-      ;;
-  esac
-}
-
-give_advice "$1" | sed -e '1s/^/WARNING: /' \
-                       -e '2,$s/^/         /' >&2
-
-# Propagate the correct exit status (expected to be 127 for a program
-# not found, 63 for a program that failed due to version mismatch).
-exit $st
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "; # UTC"
-# End:

ocelot.conf.dist

@@ -11,14 +11,16 @@ connection_timeout  = 10
 keepalive_timeout   = 0
 
 announce_interval   = 1800
+announce_jitter     = 240
 max_request_size    = 4096
 numwant_limit       = 50
 request_log_size    = 500
 
-mysql_host          = 
-mysql_username      = 
-mysql_password      = 
-mysql_db            = 
+mysql_host          = mysql
+mysql_port          = 36000
+mysql_username      = gazelle
+mysql_password      = password
+mysql_db            = gazelle
 
 # The passwords must be 32 characters and match the Gazelle config
 report_password     = 00000000000000000000000000000000
@@ -29,4 +31,7 @@ del_reason_lifetime = 86400
 reap_peers_interval = 1800
 schedule_interval   = 3
 
+log                 = false
+log_path            = /tmp/ocelot
+
 readonly            = false

ocelot.cpp

@@ -1,132 +0,0 @@
-#include <fstream>
-#include <iostream>
-#include <csignal>
-#include <thread>
-#include "ocelot.h"
-#include "config.h"
-#include "db.h"
-#include "worker.h"
-#include "events.h"
-#include "schedule.h"
-#include "site_comm.h"
-
-static connection_mother *mother;
-static worker *work;
-static mysql *db;
-static site_comm *sc;
-static config *conf;
-static schedule *sched;
-
-struct stats_t stats;
-
-static void sig_handler(int sig) {
-	if (sig == SIGINT || sig == SIGTERM) {
-		std::cout << "Caught SIGINT/SIGTERM" << std::endl;
-		if (work->shutdown()) {
-			exit(0);
-		}
-	} else if (sig == SIGHUP) {
-		std::cout << "Reloading config" << std::endl;
-		std::cout.flush();
-		conf->reload();
-		db->reload_config(conf);
-		mother->reload_config(conf);
-		sc->reload_config(conf);
-		sched->reload_config(conf);
-		work->reload_config(conf);
-		std::cout << "Done reloading config" << std::endl;
-	} else if (sig == SIGUSR1) {
-		std::cout << "Reloading from database" << std::endl;
-		std::thread w_thread(&worker::reload_lists, work);
-		w_thread.detach();
-	}
-}
-
-int main(int argc, char **argv) {
-	// we don't use printf so make cout/cerr a little bit faster
-	std::ios_base::sync_with_stdio(false);
-
-	conf = new config();
-
-	bool verbose = false, conf_arg = false;
-	std::string conf_file_path("./ocelot.conf");
-	for (int i = 1; i < argc; i++) {
-		if (!strcmp(argv[i], "-v")) {
-			verbose = true;
-		} else if (!strcmp(argv[i], "-c") && i < argc - 1) {
-			conf_arg = true;
-			conf_file_path = argv[++i];
-		} else {
-			std::cout << "Usage: " << argv[0] << " [-v] [-c configfile]" << std::endl;
-			return 0;
-		}
-	}
-
-	std::ifstream conf_file(conf_file_path);
-	if (conf_file.fail()) {
-		std::cout << "Using default config because '" << conf_file_path << "' couldn't be opened" << std::endl;
-		if (!conf_arg) {
-			std::cout << "Start Ocelot with -c <path> to specify config file if necessary" << std::endl;
-		}
-	} else {
-		conf->load(conf_file_path, conf_file);
-	}
-
-	db = new mysql(conf);
-
-	if (!db->connected()) {
-		std::cout << "Exiting" << std::endl;
-		return 0;
-	}
-	db->verbose_flush = verbose;
-
-	sc = new site_comm(conf);
-	sc->verbose_flush = verbose;
-
-	user_list users_list;
-	torrent_list torrents_list;
-	std::vector<std::string> whitelist;
-	db->load_users(users_list);
-	db->load_torrents(torrents_list);
-	db->load_whitelist(whitelist);
-
-	stats.open_connections = 0;
-	stats.opened_connections = 0;
-	stats.connection_rate = 0;
-	stats.requests = 0;
-	stats.request_rate = 0;
-	stats.leechers = 0;
-	stats.seeders = 0;
-	stats.announcements = 0;
-	stats.succ_announcements = 0;
-	stats.scrapes = 0;
-	stats.bytes_read = 0;
-	stats.bytes_written = 0;
-	stats.start_time = time(NULL);
-
-	// Create worker object, which handles announces and scrapes and all that jazz
-	work = new worker(conf, torrents_list, users_list, whitelist, db, sc);
-
-	// Create schedule object
-	sched = new schedule(conf, work, db, sc);
-
-	// Create connection mother, which binds to its socket and handles the event stuff
-	mother = new connection_mother(conf, work, db, sc, sched);
-
-	// Add signal handlers now that all objects have been created
-	struct sigaction handler, ignore;
-	ignore.sa_handler = SIG_IGN;
-	handler.sa_handler = sig_handler;
-	sigemptyset(&handler.sa_mask);
-	handler.sa_flags = 0;
-
-	sigaction(SIGINT, &handler, NULL);
-	sigaction(SIGTERM, &handler, NULL);
-	sigaction(SIGHUP, &handler, NULL);
-	sigaction(SIGUSR1, &handler, NULL);
-	sigaction(SIGUSR2, &ignore, NULL);
-
-	mother->run();
-
-	return 0;
-}

ocelot.h

@@ -1,107 +0,0 @@
-#ifndef OCELOT_H
-#define OCELOT_H
-
-#include <string>
-#include <map>
-#include <vector>
-#include <unordered_map>
-#include <set>
-#include <memory>
-#include <atomic>
-
-typedef uint32_t torid_t;
-typedef uint32_t userid_t;
-
-class user;
-typedef std::shared_ptr<user> user_ptr;
-
-typedef struct {
-	int64_t uploaded;
-	int64_t downloaded;
-	int64_t corrupt;
-	int64_t left;
-	time_t last_announced;
-	time_t first_announced;
-	uint32_t announces;
-	uint16_t port;
-	bool visible;
-	bool invalid_ip;
-	user_ptr user;
-	std::string ip_port;
-	std::string ip;
-} peer;
-
-typedef std::map<std::string, peer> peer_list;
-
-enum freetype { NORMAL, FREE, NEUTRAL };
-
-typedef struct {
-	torid_t id;
-	uint32_t completed;
-	int64_t balance;
-	freetype free_torrent;
-	time_t last_flushed;
-	peer_list seeders;
-	peer_list leechers;
-	std::string last_selected_seeder;
-	std::set<userid_t> tokened_users;
-} torrent;
-
-enum {
-	DUPE, // 0
-	TRUMP, // 1
-	BAD_FILE_NAMES, // 2
-	BAD_FOLDER_NAMES, // 3
-	BAD_TAGS, // 4
-	BAD_FORMAT, // 5
-	DISCS_MISSING, // 6
-	DISCOGRAPHY,// 7
-	EDITED_LOG,// 8
-	INACCURATE_BITRATE, // 9
-	LOW_BITRATE, // 10
-	MUTT_RIP,// 11
-	BAD_SOURCE,// 12
-	ENCODE_ERRORS,// 13
-	BANNED, // 14
-	TRACKS_MISSING,// 15
-	TRANSCODE, // 16
-	CASSETTE, // 17
-	UNSPLIT_ALBUM, // 18
-	USER_COMPILATION, // 19
-	WRONG_FORMAT, // 20
-	WRONG_MEDIA, // 21
-	AUDIENCE // 22
-};
-
-typedef struct {
-	int reason;
-	time_t time;
-} del_message;
-
-typedef struct {
-	bool gzip;
-	bool html;
-	bool http_close;
-} client_opts_t;
-
-typedef std::unordered_map<std::string, torrent> torrent_list;
-typedef std::unordered_map<std::string, user_ptr> user_list;
-typedef std::unordered_map<std::string, std::string> params_type;
-
-struct stats_t {
-	std::atomic<uint32_t> open_connections;
-	std::atomic<uint64_t> opened_connections;
-	std::atomic<uint64_t> connection_rate;
-	std::atomic<uint32_t> leechers;
-	std::atomic<uint32_t> seeders;
-	std::atomic<uint64_t> requests;
-	std::atomic<uint64_t> request_rate;
-	std::atomic<uint64_t> announcements;
-	std::atomic<uint64_t> succ_announcements;
-	std::atomic<uint64_t> scrapes;
-	std::atomic<uint64_t> bytes_read;
-	std::atomic<uint64_t> bytes_written;
-	time_t start_time;
-};
-extern struct stats_t stats;
-#endif

ocelot.service

@@ -0,0 +1,20 @@
+[Unit]
+Description=Ocelot Bittorrent Tracker
+After=network.target
+After=mysql.target
+Requires=network.target
+Requires=mysql.service
+
+[Service]
+Type=simple
+TimeoutStartSec=0
+ExecStart=/usr/local/bin/ocelot
+ExecReload=/bin/kill -HUP $MAINPID
+PIDFile=/var/run/ocelot.pid
+RestartSec=20
+TimeoutStopSec=60
+TimeoutStartSec=360
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

report.cpp

@@ -1,56 +0,0 @@
-#include <iostream>
-#include <map>
-#include <sstream>
-#include "ocelot.h"
-#include "misc_functions.h"
-#include "report.h"
-#include "response.h"
-#include "user.h"
-
-std::string report(params_type &params, user_list &users_list, client_opts_t &client_opts) {
-	std::stringstream output;
-	std::string action = params["get"];
-	if (action == "") {
-		output << "Invalid action\n";
-	} else if (action == "stats") {
-		time_t uptime = time(NULL) - stats.start_time;
-		int up_d = uptime / 86400;
-		uptime -= up_d * 86400;
-		int up_h = uptime / 3600;
-		uptime -= up_h * 3600;
-		int up_m = uptime / 60;
-		int up_s = uptime - up_m * 60;
-		std::string up_ht = up_h <= 9 ? '0' + inttostr(up_h) : inttostr(up_h);
-		std::string up_mt = up_m <= 9 ? '0' + inttostr(up_m) : inttostr(up_m);
-		std::string up_st = up_s <= 9 ? '0' + inttostr(up_s) : inttostr(up_s);
-
-		output << "Uptime: " << up_d << " days, " << up_ht << ':' << up_mt << ':' << up_st << '\n'
-		<< stats.opened_connections << " connections opened\n"
-		<< stats.open_connections << " open connections\n"
-		<< stats.connection_rate << " connections/s\n"
-		<< stats.requests << " requests handled\n"
-		<< stats.request_rate << " requests/s\n"
-		<< stats.succ_announcements << " successful announcements\n"
-		<< (stats.announcements - stats.succ_announcements) << " failed announcements\n"
-		<< stats.scrapes << " scrapes\n"
-		<< stats.leechers << " leechers tracked\n"
-		<< stats.seeders << " seeders tracked\n"
-		<< stats.bytes_read << " bytes read\n"
-		<< stats.bytes_written << " bytes written\n";
-	} else if (action == "user") {
-		std::string key = params["key"];
-		if (key == "") {
-			output << "Invalid action\n";
-		} else {
-			user_list::const_iterator u = users_list.find(key);
-			if (u != users_list.end()) {
-				output << u->second->get_leeching() << " leeching\n"
-				<< u->second->get_seeding() << " seeding\n";
-			}
-		}
-	} else {
-		output << "Invalid action\n";
-	}
-	output << "success";
-	return response(output.str(), client_opts);
-}

report.h

@@ -1,4 +0,0 @@
-#include <string>
-#include "ocelot.h"
-
-std::string report(params_type &params, user_list &users_list, client_opts_t &client_opts);

response.cpp

@@ -1,51 +0,0 @@
-#include <sstream>
-#include <boost/iostreams/filtering_streambuf.hpp>
-#include <boost/iostreams/copy.hpp>
-#include <boost/iostreams/filter/gzip.hpp>
-#include "response.h"
-#include "misc_functions.h"
-
-const std::string response(const std::string &body, client_opts_t &client_opts) {
-	std::string out;
-	bool processed = false;
-	if (client_opts.html) {
-		out = "<html><head><meta name=\"robots\" content=\"noindex, nofollow\" /></head><body>" + body + "</body></html>";
-		processed = true;
-	}
-	if (client_opts.gzip) {
-		std::stringstream ss, zss;
-		ss << body;
-		boost::iostreams::filtering_streambuf<boost::iostreams::input> in;
-		in.push(boost::iostreams::gzip_compressor());
-		in.push(ss);
-		boost::iostreams::copy(in, zss);
-		out = zss.str();
-		processed = true;
-	}
-	if (processed) {
-		return response_head(out.length(), client_opts) + out;
-	}
-	return response_head(body.length(), client_opts) + body;
-}
-
-const std::string response_head(size_t content_length, client_opts_t &client_opts) {
-	const std::string content_type = client_opts.html ? "text/html" : "text/plain";
-	std::string head = "HTTP/1.1 200 OK\r\nServer: Ocelot 1.0";
-	head += "\r\nContent-Type: " + content_type;
-	if (client_opts.gzip) {
-		head += "\r\nContent-Encoding: gzip";
-	}
-	if (client_opts.http_close) {
-		head += "\r\nConnection: Close";
-	}
-	head += "\r\nContent-Length: " + inttostr(content_length) + "\r\n\r\n";
-	return head;
-}
-
-const std::string error(const std::string &err, client_opts_t &client_opts) {
-	return response("d14:failure reason" + inttostr(err.length()) + ':' + err + "12:min intervali5400e8:intervali5400ee", client_opts);
-}
-
-const std::string warning(const std::string &msg) {
-	return "15:warning message" + inttostr(msg.length()) + ':' + msg;
-}

schedule.cpp

@@ -1,58 +0,0 @@
-#include <iostream>
-
-#include "ocelot.h"
-#include "config.h"
-#include "db.h"
-#include "worker.h"
-#include "schedule.h"
-
-schedule::schedule(config * conf, worker * worker_obj, mysql * db_obj, site_comm * sc_obj) : work(worker_obj), db(db_obj), sc(sc_obj) {
-	load_config(conf);
-	counter = 0;
-	last_opened_connections = 0;
-	last_request_count = 0;
-	next_reap_peers = reap_peers_interval;
-}
-
-void schedule::load_config(config * conf) {
-	reap_peers_interval = conf->get_uint("reap_peers_interval");
-	schedule_interval = conf->get_uint("schedule_interval");
-}
-
-void schedule::reload_config(config * conf) {
-	load_config(conf);
-}
-
-//---------- Schedule - gets called every schedule_interval seconds
-void schedule::handle(ev::timer &watcher, int events_flags) {
-	unsigned int cur_schedule_interval = watcher.repeat;
-	stats.connection_rate = (stats.opened_connections - last_opened_connections) / cur_schedule_interval;
-	stats.request_rate = (stats.requests - last_request_count) / cur_schedule_interval;
-	if (counter % 20 == 0) {
-		std::cout << stats.open_connections << " open, "
-		<< stats.opened_connections << " connections (" << stats.connection_rate << "/s), "
-		<< stats.requests << " requests (" << stats.request_rate << "/s)" << std::endl;
-	}
-
-	if (work->get_status() == CLOSING && db->all_clear() && sc->all_clear()) {
-		std::cout << "all clear, shutting down" << std::endl;
-		exit(0);
-	}
-
-	last_opened_connections = stats.opened_connections;
-	last_request_count = stats.requests;
-
-	db->flush();
-	sc->flush_tokens();
-
-	next_reap_peers -= cur_schedule_interval;
-	if (next_reap_peers <= 0) {
-		work->start_reaper();
-		next_reap_peers = reap_peers_interval;
-	}
-
-	counter++;
-	if (schedule_interval != cur_schedule_interval) {
-		watcher.set(schedule_interval, schedule_interval);
-	}
-}

schedule.h

@@ -1,24 +0,0 @@
-#ifndef SCHEDULE_H
-#define SCHEDULE_H
-
-#include <ev++.h>
-class schedule {
-	private:
-		void load_config(config * conf);
-
-		unsigned int reap_peers_interval;
-		worker * work;
-		mysql * db;
-		site_comm * sc;
-		uint64_t last_opened_connections;
-		uint64_t last_request_count;
-		unsigned int counter;
-		int next_reap_peers;
-	public:
-		schedule(config * conf, worker * worker_obj, mysql * db_obj, site_comm * sc_obj);
-		void reload_config(config * conf);
-		void handle(ev::timer &watcher, int events_flags);
-
-		unsigned int schedule_interval;
-};
-#endif

site_comm.cpp

@@ -1,137 +0,0 @@
-#include <iostream>
-#include <istream>
-#include <ostream>
-#include <string>
-#include <sstream>
-#include <queue>
-#include <mutex>
-#include <boost/asio.hpp>
-#include <thread>
-
-#include "config.h"
-#include "site_comm.h"
-
-using boost::asio::ip::tcp;
-
-site_comm::site_comm(config * conf) : t_active(false) {
-	load_config(conf);
-}
-
-void site_comm::load_config(config * conf) {
-	site_host = conf->get_str("site_host");
-	site_path = conf->get_str("site_path");
-	site_password = conf->get_str("site_password");
-	readonly = conf->get_bool("readonly");
-}
-
-void site_comm::reload_config(config * conf) {
-	load_config(conf);
-}
-
-bool site_comm::all_clear() {
-	return (token_queue.size() == 0);
-}
-
-void site_comm::expire_token(int torrent, int user) {
-	std::stringstream token_pair;
-	token_pair << user << ':' << torrent;
-	if (expire_token_buffer != "") {
-		expire_token_buffer += ",";
-	}
-	expire_token_buffer += token_pair.str();
-	if (expire_token_buffer.length() > 350) {
-		std::cout << "Flushing overloaded token buffer" << std::endl;
-		if (!readonly) {
-			std::lock_guard<std::mutex> lock(expire_queue_lock);
-			token_queue.push(expire_token_buffer);
-		}
-		expire_token_buffer.clear();
-	}
-}
-
-void site_comm::flush_tokens()
-{
-	if (readonly) {
-		expire_token_buffer.clear();
-		return;
-	}
-	std::lock_guard<std::mutex> lock(expire_queue_lock);
-	size_t qsize = token_queue.size();
-	if (verbose_flush || qsize > 0) {
-		std::cout << "Token expire queue size: " << qsize << std::endl;
-	}
-	if (expire_token_buffer == "") {
-		return;
-	}
-	token_queue.push(expire_token_buffer);
-	expire_token_buffer.clear();
-	if (t_active == false) {
-		std::thread thread(&site_comm::do_flush_tokens, this);
-		thread.detach();
-	}
-}
-
-void site_comm::do_flush_tokens()
-{
-	t_active = true;
-	try {
-		while (token_queue.size() > 0) {
-			boost::asio::io_service io_service;
-
-			tcp::resolver resolver(io_service);
-			tcp::resolver::query query(site_host, "http");
-			tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
-			tcp::resolver::iterator end;
-
-			tcp::socket socket(io_service);
-			boost::system::error_code error = boost::asio::error::host_not_found;
-			while (error && endpoint_iterator != end) {
-				socket.close();
-				socket.connect(*endpoint_iterator++, error);
-			}
-			if (error) {
-				throw boost::system::system_error(error);
-			}
-
-			boost::asio::streambuf request;
-			std::ostream request_stream(&request);
-			request_stream << "GET " << site_path << "/tools.php?key=" << site_password
-				<< "&type=expiretoken&action=ocelot&tokens=" << token_queue.front() << " HTTP/1.0\r\n"
-				<< "Host: " << site_host << "\r\n"
-				<< "Accept: */*\r\n"
-				<< "Connection: close\r\n\r\n";
-
-			boost::asio::write(socket, request);
-
-			boost::asio::streambuf response;
-			boost::asio::read_until(socket, response, "\r\n");
-
-			std::istream response_stream(&response);
-			std::string http_version;
-			response_stream >> http_version;
-			unsigned int status_code;
-			response_stream >> status_code;
-			std::string status_message;
-			std::getline(response_stream, status_message);
-
-			if (!response_stream || http_version.substr(0, 5) != "HTTP/") {
-				std::cout << "Invalid response" << std::endl;
-				continue;
-			}
-
-			if (status_code == 200) {
-				std::lock_guard<std::mutex> lock(expire_queue_lock);
-				token_queue.pop();
-			} else {
-				std::cout << "Response returned with status code " << status_code << " when trying to expire a token!" << std::endl;;
-			}
-		}
-	} catch (std::exception &e) {
-		std::cout << "Exception: " << e.what() << std::endl;
-	}
-	t_active = false;
-}
-
-site_comm::~site_comm()
-{
-}