mirror of
https://github.com/capstone-engine/llvm-capstone.git
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[llvm][Support] Lift raw_socket_stream implementation out into own files (#75653)
Move the implementation of raw_socket_stream from raw_ostream.h/cpp to raw_socket_stream.h/cpp as requested in #73603.
This commit is contained in:
criis
GitHub
parent
3effc191e3
commit
c0d5d36dda
@ -16,7 +16,6 @@
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/DataTypes.h"
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#include "llvm/Support/Threading.h"
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#include <cassert>
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#include <cstddef>
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#include <cstdint>
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@ -633,54 +632,6 @@ public:
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static bool classof(const raw_ostream *OS);
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};
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//===----------------------------------------------------------------------===//
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// Socket Streams
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//===----------------------------------------------------------------------===//
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/// A raw stream for sockets reading/writing
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class raw_socket_stream;
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// Make sure that calls to WSAStartup and WSACleanup are balanced.
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#ifdef _WIN32
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class WSABalancer {
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public:
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WSABalancer();
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~WSABalancer();
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};
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#endif // _WIN32
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class ListeningSocket {
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int FD;
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std::string SocketPath;
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ListeningSocket(int SocketFD, StringRef SocketPath);
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#ifdef _WIN32
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WSABalancer _;
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#endif // _WIN32
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public:
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static Expected<ListeningSocket> createUnix(
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StringRef SocketPath,
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int MaxBacklog = llvm::hardware_concurrency().compute_thread_count());
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Expected<std::unique_ptr<raw_socket_stream>> accept();
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ListeningSocket(ListeningSocket &&LS);
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~ListeningSocket();
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};
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class raw_socket_stream : public raw_fd_stream {
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uint64_t current_pos() const override { return 0; }
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#ifdef _WIN32
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WSABalancer _;
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#endif // _WIN32
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public:
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raw_socket_stream(int SocketFD);
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/// Create a \p raw_socket_stream connected to the Unix domain socket at \p
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/// SocketPath.
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static Expected<std::unique_ptr<raw_socket_stream>>
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createConnectedUnix(StringRef SocketPath);
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~raw_socket_stream();
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};
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//===----------------------------------------------------------------------===//
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// Output Stream Adaptors
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//===----------------------------------------------------------------------===//
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66
llvm/include/llvm/Support/raw_socket_stream.h
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66
llvm/include/llvm/Support/raw_socket_stream.h
Normal file
@ -0,0 +1,66 @@
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//===-- llvm/Support/raw_socket_stream.h - Socket streams --*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains raw_ostream implementations for streams to communicate
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// via UNIX sockets
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_RAW_SOCKET_STREAM_H
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#define LLVM_SUPPORT_RAW_SOCKET_STREAM_H
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#include "llvm/Support/Threading.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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class raw_socket_stream;
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// Make sure that calls to WSAStartup and WSACleanup are balanced.
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#ifdef _WIN32
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class WSABalancer {
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public:
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WSABalancer();
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~WSABalancer();
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};
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#endif // _WIN32
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class ListeningSocket {
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int FD;
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std::string SocketPath;
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ListeningSocket(int SocketFD, StringRef SocketPath);
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#ifdef _WIN32
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WSABalancer _;
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#endif // _WIN32
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public:
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static Expected<ListeningSocket> createUnix(
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StringRef SocketPath,
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int MaxBacklog = llvm::hardware_concurrency().compute_thread_count());
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Expected<std::unique_ptr<raw_socket_stream>> accept();
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ListeningSocket(ListeningSocket &&LS);
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~ListeningSocket();
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};
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class raw_socket_stream : public raw_fd_stream {
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uint64_t current_pos() const override { return 0; }
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#ifdef _WIN32
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WSABalancer _;
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#endif // _WIN32
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public:
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raw_socket_stream(int SocketFD);
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/// Create a \p raw_socket_stream connected to the Unix domain socket at \p
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/// SocketPath.
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static Expected<std::unique_ptr<raw_socket_stream>>
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createConnectedUnix(StringRef SocketPath);
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~raw_socket_stream();
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};
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} // end namespace llvm
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#endif
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@ -252,6 +252,7 @@ add_llvm_component_library(LLVMSupport
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YAMLTraits.cpp
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raw_os_ostream.cpp
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raw_ostream.cpp
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raw_socket_stream.cpp
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regcomp.c
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regerror.c
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regexec.c
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@ -16,7 +16,6 @@
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#include "llvm/Support/AutoConvert.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/Duration.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Format.h"
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@ -25,17 +24,11 @@
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#include "llvm/Support/NativeFormatting.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/Program.h"
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#include "llvm/Support/Threading.h"
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#include <algorithm>
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#include <cerrno>
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#include <cstdio>
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#include <sys/stat.h>
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#ifndef _WIN32
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#include <sys/socket.h>
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#include <sys/un.h>
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#endif // _WIN32
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// <fcntl.h> may provide O_BINARY.
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#if defined(HAVE_FCNTL_H)
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# include <fcntl.h>
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@ -66,13 +59,6 @@
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#include "llvm/Support/ConvertUTF.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/Windows/WindowsSupport.h"
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// winsock2.h must be included before afunix.h. Briefly turn off clang-format to
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// avoid error.
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// clang-format off
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#include <winsock2.h>
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#include <afunix.h>
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// clang-format on
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#include <io.h>
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#endif
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using namespace llvm;
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@ -659,7 +645,7 @@ raw_fd_ostream::raw_fd_ostream(int fd, bool shouldClose, bool unbuffered,
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// Check if this is a console device. This is not equivalent to isatty.
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IsWindowsConsole =
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::GetFileType((HANDLE)::_get_osfhandle(fd)) == FILE_TYPE_CHAR;
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#endif // _WIN32
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#endif
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// Get the starting position.
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off_t loc = ::lseek(FD, 0, SEEK_CUR);
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@ -968,153 +954,6 @@ bool raw_fd_stream::classof(const raw_ostream *OS) {
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return OS->get_kind() == OStreamKind::OK_FDStream;
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}
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//===----------------------------------------------------------------------===//
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// raw_socket_stream
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//===----------------------------------------------------------------------===//
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#ifdef _WIN32
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WSABalancer::WSABalancer() {
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WSADATA WsaData;
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::memset(&WsaData, 0, sizeof(WsaData));
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if (WSAStartup(MAKEWORD(2, 2), &WsaData) != 0) {
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llvm::report_fatal_error("WSAStartup failed");
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}
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}
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WSABalancer::~WSABalancer() { WSACleanup(); }
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#endif // _WIN32
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static std::error_code getLastSocketErrorCode() {
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#ifdef _WIN32
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return std::error_code(::WSAGetLastError(), std::system_category());
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#else
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return std::error_code(errno, std::system_category());
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#endif
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}
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ListeningSocket::ListeningSocket(int SocketFD, StringRef SocketPath)
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: FD(SocketFD), SocketPath(SocketPath) {}
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ListeningSocket::ListeningSocket(ListeningSocket &&LS)
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: FD(LS.FD), SocketPath(LS.SocketPath) {
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LS.FD = -1;
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}
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Expected<ListeningSocket> ListeningSocket::createUnix(StringRef SocketPath,
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int MaxBacklog) {
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#ifdef _WIN32
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WSABalancer _;
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SOCKET MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
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if (MaybeWinsocket == INVALID_SOCKET) {
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#else
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int MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
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if (MaybeWinsocket == -1) {
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#endif
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"socket create failed");
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}
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struct sockaddr_un Addr;
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memset(&Addr, 0, sizeof(Addr));
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Addr.sun_family = AF_UNIX;
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strncpy(Addr.sun_path, SocketPath.str().c_str(), sizeof(Addr.sun_path) - 1);
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if (bind(MaybeWinsocket, (struct sockaddr *)&Addr, sizeof(Addr)) == -1) {
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std::error_code Err = getLastSocketErrorCode();
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if (Err == std::errc::address_in_use)
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::close(MaybeWinsocket);
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return llvm::make_error<StringError>(Err, "Bind error");
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}
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if (listen(MaybeWinsocket, MaxBacklog) == -1) {
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"Listen error");
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}
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int UnixSocket;
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#ifdef _WIN32
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UnixSocket = _open_osfhandle(MaybeWinsocket, 0);
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#else
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UnixSocket = MaybeWinsocket;
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#endif // _WIN32
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return ListeningSocket{UnixSocket, SocketPath};
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}
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Expected<std::unique_ptr<raw_socket_stream>> ListeningSocket::accept() {
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int AcceptFD;
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#ifdef _WIN32
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SOCKET WinServerSock = _get_osfhandle(FD);
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SOCKET WinAcceptSock = ::accept(WinServerSock, NULL, NULL);
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AcceptFD = _open_osfhandle(WinAcceptSock, 0);
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#else
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AcceptFD = ::accept(FD, NULL, NULL);
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#endif //_WIN32
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if (AcceptFD == -1)
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"Accept failed");
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return std::make_unique<raw_socket_stream>(AcceptFD);
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}
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ListeningSocket::~ListeningSocket() {
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if (FD == -1)
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return;
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::close(FD);
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unlink(SocketPath.c_str());
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}
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static Expected<int> GetSocketFD(StringRef SocketPath) {
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#ifdef _WIN32
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SOCKET MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
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if (MaybeWinsocket == INVALID_SOCKET) {
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#else
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int MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
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if (MaybeWinsocket == -1) {
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#endif // _WIN32
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"Create socket failed");
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}
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struct sockaddr_un Addr;
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memset(&Addr, 0, sizeof(Addr));
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Addr.sun_family = AF_UNIX;
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strncpy(Addr.sun_path, SocketPath.str().c_str(), sizeof(Addr.sun_path) - 1);
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int status = connect(MaybeWinsocket, (struct sockaddr *)&Addr, sizeof(Addr));
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if (status == -1) {
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"Connect socket failed");
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}
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#ifdef _WIN32
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return _open_osfhandle(MaybeWinsocket, 0);
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#else
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return MaybeWinsocket;
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#endif // _WIN32
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}
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raw_socket_stream::raw_socket_stream(int SocketFD)
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: raw_fd_stream(SocketFD, true) {}
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Expected<std::unique_ptr<raw_socket_stream>>
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raw_socket_stream::createConnectedUnix(StringRef SocketPath) {
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#ifdef _WIN32
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WSABalancer _;
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#endif // _WIN32
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Expected<int> FD = GetSocketFD(SocketPath);
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if (!FD)
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return FD.takeError();
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return std::make_unique<raw_socket_stream>(*FD);
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}
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raw_socket_stream::~raw_socket_stream() {}
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//===----------------------------------------------------------------------===//
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// raw_string_ostream
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//===----------------------------------------------------------------------===//
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void raw_string_ostream::write_impl(const char *Ptr, size_t Size) {
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OS.append(Ptr, Size);
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}
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//===----------------------------------------------------------------------===//
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// raw_svector_ostream
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//===----------------------------------------------------------------------===//
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179
llvm/lib/Support/raw_socket_stream.cpp
Normal file
179
llvm/lib/Support/raw_socket_stream.cpp
Normal file
@ -0,0 +1,179 @@
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//===-- llvm/Support/raw_socket_stream.cpp - Socket streams --*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains raw_ostream implementations for streams to communicate
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// via UNIX sockets
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/raw_socket_stream.h"
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#include "llvm/Config/config.h"
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#include "llvm/Support/Error.h"
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#ifndef _WIN32
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#include <sys/socket.h>
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#include <sys/un.h>
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#else
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#include "llvm/Support/Windows/WindowsSupport.h"
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// winsock2.h must be included before afunix.h. Briefly turn off clang-format to
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// avoid error.
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// clang-format off
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#include <winsock2.h>
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#include <afunix.h>
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// clang-format on
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#include <io.h>
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#endif // _WIN32
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#if defined(HAVE_UNISTD_H)
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#include <unistd.h>
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#endif
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using namespace llvm;
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#ifdef _WIN32
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WSABalancer::WSABalancer() {
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WSADATA WsaData;
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::memset(&WsaData, 0, sizeof(WsaData));
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if (WSAStartup(MAKEWORD(2, 2), &WsaData) != 0) {
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llvm::report_fatal_error("WSAStartup failed");
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}
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}
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WSABalancer::~WSABalancer() { WSACleanup(); }
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#endif // _WIN32
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static std::error_code getLastSocketErrorCode() {
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#ifdef _WIN32
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return std::error_code(::WSAGetLastError(), std::system_category());
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#else
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return std::error_code(errno, std::system_category());
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#endif
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}
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ListeningSocket::ListeningSocket(int SocketFD, StringRef SocketPath)
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: FD(SocketFD), SocketPath(SocketPath) {}
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ListeningSocket::ListeningSocket(ListeningSocket &&LS)
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: FD(LS.FD), SocketPath(LS.SocketPath) {
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LS.FD = -1;
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}
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Expected<ListeningSocket> ListeningSocket::createUnix(StringRef SocketPath,
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int MaxBacklog) {
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#ifdef _WIN32
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WSABalancer _;
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SOCKET MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
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if (MaybeWinsocket == INVALID_SOCKET) {
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#else
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int MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
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if (MaybeWinsocket == -1) {
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#endif
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"socket create failed");
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}
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struct sockaddr_un Addr;
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memset(&Addr, 0, sizeof(Addr));
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Addr.sun_family = AF_UNIX;
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strncpy(Addr.sun_path, SocketPath.str().c_str(), sizeof(Addr.sun_path) - 1);
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if (bind(MaybeWinsocket, (struct sockaddr *)&Addr, sizeof(Addr)) == -1) {
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std::error_code Err = getLastSocketErrorCode();
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if (Err == std::errc::address_in_use)
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::close(MaybeWinsocket);
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return llvm::make_error<StringError>(Err, "Bind error");
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}
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if (listen(MaybeWinsocket, MaxBacklog) == -1) {
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"Listen error");
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}
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int UnixSocket;
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#ifdef _WIN32
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UnixSocket = _open_osfhandle(MaybeWinsocket, 0);
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#else
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UnixSocket = MaybeWinsocket;
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#endif // _WIN32
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return ListeningSocket{UnixSocket, SocketPath};
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}
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Expected<std::unique_ptr<raw_socket_stream>> ListeningSocket::accept() {
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int AcceptFD;
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#ifdef _WIN32
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SOCKET WinServerSock = _get_osfhandle(FD);
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SOCKET WinAcceptSock = ::accept(WinServerSock, NULL, NULL);
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AcceptFD = _open_osfhandle(WinAcceptSock, 0);
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#else
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AcceptFD = ::accept(FD, NULL, NULL);
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#endif //_WIN32
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if (AcceptFD == -1)
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return llvm::make_error<StringError>(getLastSocketErrorCode(),
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"Accept failed");
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return std::make_unique<raw_socket_stream>(AcceptFD);
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}
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ListeningSocket::~ListeningSocket() {
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if (FD == -1)
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return;
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::close(FD);
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unlink(SocketPath.c_str());
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}
|
||||
|
||||
static Expected<int> GetSocketFD(StringRef SocketPath) {
|
||||
#ifdef _WIN32
|
||||
SOCKET MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
|
||||
if (MaybeWinsocket == INVALID_SOCKET) {
|
||||
#else
|
||||
int MaybeWinsocket = socket(AF_UNIX, SOCK_STREAM, 0);
|
||||
if (MaybeWinsocket == -1) {
|
||||
#endif // _WIN32
|
||||
return llvm::make_error<StringError>(getLastSocketErrorCode(),
|
||||
"Create socket failed");
|
||||
}
|
||||
|
||||
struct sockaddr_un Addr;
|
||||
memset(&Addr, 0, sizeof(Addr));
|
||||
Addr.sun_family = AF_UNIX;
|
||||
strncpy(Addr.sun_path, SocketPath.str().c_str(), sizeof(Addr.sun_path) - 1);
|
||||
|
||||
int status = connect(MaybeWinsocket, (struct sockaddr *)&Addr, sizeof(Addr));
|
||||
if (status == -1) {
|
||||
return llvm::make_error<StringError>(getLastSocketErrorCode(),
|
||||
"Connect socket failed");
|
||||
}
|
||||
#ifdef _WIN32
|
||||
return _open_osfhandle(MaybeWinsocket, 0);
|
||||
#else
|
||||
return MaybeWinsocket;
|
||||
#endif // _WIN32
|
||||
}
|
||||
|
||||
raw_socket_stream::raw_socket_stream(int SocketFD)
|
||||
: raw_fd_stream(SocketFD, true) {}
|
||||
|
||||
Expected<std::unique_ptr<raw_socket_stream>>
|
||||
raw_socket_stream::createConnectedUnix(StringRef SocketPath) {
|
||||
#ifdef _WIN32
|
||||
WSABalancer _;
|
||||
#endif // _WIN32
|
||||
Expected<int> FD = GetSocketFD(SocketPath);
|
||||
if (!FD)
|
||||
return FD.takeError();
|
||||
return std::make_unique<raw_socket_stream>(*FD);
|
||||
}
|
||||
|
||||
raw_socket_stream::~raw_socket_stream() {}
|
||||
|
||||
//===----------------------------------------------------------------------===//
|
||||
// raw_string_ostream
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
void raw_string_ostream::write_impl(const char *Ptr, size_t Size) {
|
||||
OS.append(Ptr, Size);
|
||||
}
|
||||
@ -3,7 +3,7 @@
|
||||
#include "llvm/Support/Casting.h"
|
||||
#include "llvm/Support/FileSystem.h"
|
||||
#include "llvm/Support/FileUtilities.h"
|
||||
#include "llvm/Support/raw_ostream.h"
|
||||
#include "llvm/Support/raw_socket_stream.h"
|
||||
#include "llvm/Testing/Support/Error.h"
|
||||
#include "gtest/gtest.h"
|
||||
#include <future>
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user