RetroArch/verbosity.c
2020-08-20 19:16:05 +02:00

551 lines
14 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef _XBOX1
#include <xtl.h>
#endif
#ifdef __MACH__
#include <TargetConditionals.h>
#if TARGET_IPHONE_SIMULATOR
#include <stdio.h>
#else
#include <asl.h>
#endif
#endif
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#ifdef _MSC_VER
#include <compat/msvc.h>
#endif
#ifdef ANDROID
#include <android/log.h>
#endif
#if defined(_WIN32)
#if defined(_XBOX)
#include <Xtl.h>
#else
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
#endif
#include <file/file_path.h>
#include <string/stdstring.h>
#include <streams/file_stream.h>
#include <compat/fopen_utf8.h>
#include <time/rtime.h>
#include <retro_miscellaneous.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef RARCH_INTERNAL
#include "frontend/frontend_driver.h"
#endif
#include "verbosity.h"
#ifdef HAVE_QT
#include "ui/ui_companion_driver.h"
#endif
#ifdef RARCH_INTERNAL
#include "config.def.h"
#else
#define DEFAULT_FRONTEND_LOG_LEVEL 1
#endif
#if defined(IS_SALAMANDER)
#define FILE_PATH_PROGRAM_NAME "RetroArch Salamander"
#else
#define FILE_PATH_PROGRAM_NAME "RetroArch"
#endif
typedef struct verbosity_state
{
#ifdef HAVE_LIBNX
Mutex mtx;
#endif
/* If this is non-NULL. RARCH_LOG and friends
* will write to this file. */
FILE *fp;
void *buf;
char override_path[PATH_MAX_LENGTH];
bool verbosity;
bool initialized;
bool override_active;
} verbosity_state_t;
/* TODO/FIXME - static public global variables */
static verbosity_state_t main_verbosity_st;
static unsigned verbosity_log_level =
DEFAULT_FRONTEND_LOG_LEVEL;
#ifdef HAVE_LIBNX
#ifdef NXLINK
/* TODO/FIXME - global referenced in platform_switch.c - not
* thread-safe */
bool nxlink_connected = false;
#endif /* NXLINK */
#endif /* HAVE_LIBNX */
void verbosity_set_log_level(unsigned level)
{
verbosity_log_level = level;
}
void verbosity_enable(void)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
g_verbosity->verbosity = true;
#ifdef RARCH_INTERNAL
if (!g_verbosity->initialized)
frontend_driver_attach_console();
#endif
}
void verbosity_disable(void)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
g_verbosity->verbosity = false;
#ifdef RARCH_INTERNAL
if (!g_verbosity->initialized)
frontend_driver_detach_console();
#endif
}
bool verbosity_is_enabled(void)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
return g_verbosity->verbosity;
}
bool is_logging_to_file(void)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
return g_verbosity->initialized;
}
bool *verbosity_get_ptr(void)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
return &g_verbosity->verbosity;
}
void retro_main_log_file_init(const char *path, bool append)
{
FILE *tmp = NULL;
verbosity_state_t *g_verbosity = &main_verbosity_st;
if (g_verbosity->initialized)
return;
#ifdef HAVE_LIBNX
mutexInit(&g_verbosity->mtx);
#endif
g_verbosity->fp = stderr;
if (!path)
return;
tmp = (FILE*)fopen_utf8(path, append ? "ab" : "wb");
if (!tmp)
{
RARCH_ERR("Failed to open system event log file: %s\n", path);
return;
}
g_verbosity->fp = tmp;
g_verbosity->initialized = true;
/* TODO: this is only useful for a few platforms, find which and add ifdef */
g_verbosity->buf = calloc(1, 0x4000);
setvbuf(g_verbosity->fp, (char*)g_verbosity->buf, _IOFBF, 0x4000);
}
void retro_main_log_file_deinit(void)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
if (g_verbosity->fp && g_verbosity->initialized)
{
fclose(g_verbosity->fp);
g_verbosity->fp = NULL;
}
if (g_verbosity->buf)
free(g_verbosity->buf);
g_verbosity->buf = NULL;
g_verbosity->initialized = false;
}
#if !defined(HAVE_LOGGER)
void RARCH_LOG_V(const char *tag, const char *fmt, va_list ap)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
if (verbosity_log_level > 1)
return;
{
const char *tag_v = tag ? tag : FILE_PATH_LOG_INFO;
#if TARGET_OS_IPHONE
#if TARGET_IPHONE_SIMULATOR
vprintf(fmt, ap);
#else
static aslclient asl_client;
static int asl_initialized = 0;
if (!asl_initialized)
{
asl_client = asl_open(
FILE_PATH_PROGRAM_NAME,
"com.apple.console",
ASL_OPT_STDERR | ASL_OPT_NO_DELAY);
asl_initialized = 1;
}
aslmsg msg = asl_new(ASL_TYPE_MSG);
asl_set(msg, ASL_KEY_READ_UID, "-1");
if (tag)
asl_log(asl_client, msg, ASL_LEVEL_NOTICE, "%s", tag);
asl_vlog(asl_client, msg, ASL_LEVEL_NOTICE, fmt, ap);
asl_free(msg);
#endif
#elif defined(_XBOX1)
/* FIXME: Using arbitrary string as fmt argument is unsafe. */
char msg_new[256];
char buffer[256];
msg_new[0] = buffer[0] = '\0';
snprintf(msg_new, sizeof(msg_new), "%s: %s %s",
FILE_PATH_PROGRAM_NAME, tag_v, fmt);
wvsprintf(buffer, msg_new, ap);
OutputDebugStringA(buffer);
#elif defined(ANDROID)
int prio = ANDROID_LOG_INFO;
if (tag)
{
if (string_is_equal(FILE_PATH_LOG_WARN, tag))
prio = ANDROID_LOG_WARN;
else if (string_is_equal(FILE_PATH_LOG_ERROR, tag))
prio = ANDROID_LOG_ERROR;
}
if (g_verbosity->initialized)
{
vfprintf(g_verbosity->fp, fmt, ap);
fflush(g_verbosity->fp);
}
else
__android_log_vprint(prio, FILE_PATH_PROGRAM_NAME, fmt, ap);
#else
FILE *fp = (FILE*)g_verbosity->fp;
#if defined(HAVE_QT) || defined(__WINRT__)
char buffer[256];
buffer[0] = '\0';
/* Ensure null termination and line break in error case */
if (vsnprintf(buffer, sizeof(buffer), fmt, ap) < 0)
{
int end;
buffer[sizeof(buffer) - 1] = '\0';
end = strlen(buffer) - 1;
if (end >= 0)
buffer[end] = '\n';
else
{
buffer[0] = '\n';
buffer[1] = '\0';
}
}
if (fp)
{
fprintf(fp, "%s %s", tag_v, buffer);
fflush(fp);
}
#if defined(HAVE_QT)
ui_companion_driver_log_msg(buffer);
#endif
#if defined(__WINRT__)
OutputDebugStringA(buffer);
#endif
#else
#if defined(HAVE_LIBNX)
mutexLock(&g_verbosity->mtx);
#endif
if (fp)
{
fprintf(fp, "%s ", tag_v);
vfprintf(fp, fmt, ap);
fflush(fp);
}
#if defined(HAVE_LIBNX)
mutexUnlock(&g_verbosity->mtx);
#endif
#endif
#endif
}
}
void RARCH_LOG_BUFFER(uint8_t *data, size_t size)
{
unsigned i, offset;
int padding = size % 16;
uint8_t buf[16] = {0};
if (verbosity_log_level > 1)
return;
RARCH_LOG("== %d-byte buffer ==================\n", (int)size);
for (i = 0, offset = 0; i < size; i++)
{
buf[offset] = data[i];
offset++;
if (offset == 16)
{
offset = 0;
RARCH_LOG("%02x%02x%02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x%02x%02x\n",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7],
buf[8], buf[9], buf[10], buf[11], buf[12], buf[13], buf[14], buf[15]);
}
}
if (padding)
{
for (i = padding; i < 16; i++)
buf[i] = 0xff;
RARCH_LOG("%02x%02x%02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x%02x%02x\n",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7],
buf[8], buf[9], buf[10], buf[11], buf[12], buf[13], buf[14], buf[15]);
}
RARCH_LOG("==================================\n");
}
void RARCH_LOG(const char *fmt, ...)
{
va_list ap;
verbosity_state_t *g_verbosity = &main_verbosity_st;
if (!g_verbosity->verbosity)
return;
if (verbosity_log_level > 1)
return;
va_start(ap, fmt);
RARCH_LOG_V(FILE_PATH_LOG_INFO, fmt, ap);
va_end(ap);
}
void RARCH_LOG_OUTPUT(const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
RARCH_LOG_OUTPUT_V(FILE_PATH_LOG_INFO, msg, ap);
va_end(ap);
}
void RARCH_WARN(const char *fmt, ...)
{
va_list ap;
verbosity_state_t *g_verbosity = &main_verbosity_st;
if (!g_verbosity->verbosity)
return;
if (verbosity_log_level > 2)
return;
va_start(ap, fmt);
RARCH_WARN_V(FILE_PATH_LOG_WARN, fmt, ap);
va_end(ap);
}
void RARCH_ERR(const char *fmt, ...)
{
va_list ap;
verbosity_state_t *g_verbosity = &main_verbosity_st;
if (!g_verbosity->verbosity)
return;
va_start(ap, fmt);
RARCH_ERR_V(FILE_PATH_LOG_ERROR, fmt, ap);
va_end(ap);
}
#endif
void rarch_log_file_set_override(const char *path)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
g_verbosity->override_active = true;
strlcpy(g_verbosity->override_path, path,
sizeof(g_verbosity->override_path));
}
void rarch_log_file_init(
bool log_to_file,
bool log_to_file_timestamp,
const char *log_dir
)
{
char log_directory[PATH_MAX_LENGTH];
char log_file_path[PATH_MAX_LENGTH];
verbosity_state_t *g_verbosity = &main_verbosity_st;
static bool log_file_created = false;
static char timestamped_log_file_name[64] = {0};
bool logging_to_file = g_verbosity->initialized;
log_directory[0] = '\0';
log_file_path[0] = '\0';
/* If this is the first run, generate a timestamped log
* file name (do this even when not outputting timestamped
* log files, since user may decide to switch at any moment...) */
if (string_is_empty(timestamped_log_file_name))
{
char format[256];
struct tm tm_;
time_t cur_time = time(NULL);
rtime_localtime(&cur_time, &tm_);
format[0] = '\0';
strftime(format, sizeof(format), "retroarch__%Y_%m_%d__%H_%M_%S", &tm_);
fill_pathname_noext(timestamped_log_file_name, format,
".log",
sizeof(timestamped_log_file_name));
}
/* If nothing has changed, do nothing */
if ((!log_to_file && !logging_to_file) ||
(log_to_file && logging_to_file))
return;
/* If we are currently logging to file and wish to stop,
* de-initialise existing logger... */
if (!log_to_file && logging_to_file)
{
retro_main_log_file_deinit();
/* ...and revert to console */
retro_main_log_file_init(NULL, false);
return;
}
/* If we reach this point, then we are not currently
* logging to file, and wish to do so */
/* > Check whether we are already logging to console */
/* De-initialise existing logger */
if (g_verbosity->fp)
retro_main_log_file_deinit();
/* > Get directory/file paths */
if (g_verbosity->override_active)
{
/* Get log directory */
const char *override_path = g_verbosity->override_path;
const char *last_slash = find_last_slash(override_path);
if (last_slash)
{
char tmp_buf[PATH_MAX_LENGTH] = {0};
size_t path_length = last_slash + 1 - override_path;
if ((path_length > 1) && (path_length < PATH_MAX_LENGTH))
strlcpy(tmp_buf, override_path, path_length * sizeof(char));
strlcpy(log_directory, tmp_buf, sizeof(log_directory));
}
/* Get log file path */
strlcpy(log_file_path, override_path, sizeof(log_file_path));
}
else if (!string_is_empty(log_dir))
{
/* Get log directory */
strlcpy(log_directory, log_dir, sizeof(log_directory));
/* Get log file path */
fill_pathname_join(log_file_path,
log_dir,
log_to_file_timestamp
? timestamped_log_file_name
: "retroarch.log",
sizeof(log_file_path));
}
/* > Attempt to initialise log file */
if (!string_is_empty(log_file_path))
{
/* Create log directory, if required */
if (!string_is_empty(log_directory))
{
if (!path_is_directory(log_directory))
{
if (!path_mkdir(log_directory))
{
/* Re-enable console logging and output error message */
retro_main_log_file_init(NULL, false);
RARCH_ERR("Failed to create system event log directory: %s\n", log_directory);
return;
}
}
}
/* When RetroArch is launched, log file is overwritten.
* On subsequent calls within the same session, it is appended to. */
retro_main_log_file_init(log_file_path, log_file_created);
if (g_verbosity->initialized)
log_file_created = true;
return;
}
/* If we reach this point, then something went wrong...
* Just fall back to console logging */
retro_main_log_file_init(NULL, false);
RARCH_ERR("Failed to initialise system event file logging...\n");
}
void rarch_log_file_deinit(void)
{
verbosity_state_t *g_verbosity = &main_verbosity_st;
/* De-initialise existing logger, if currently logging to file */
if (g_verbosity->initialized)
retro_main_log_file_deinit();
/* If logging is currently disabled... */
if (!g_verbosity->fp) /* ...initialise logging to console */
retro_main_log_file_init(NULL, false);
}