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/**************************************************************************
*
* Copyright 2008 VMware, Inc.
* Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
* Copyright 2010 LunarG, Inc.
* All Rights Reserved.
*
* 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, sub license, 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 (including the
* next paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* Logging facility for debug/info messages.
* _EGL_FATAL messages are printed to stderr
* The EGL_LOG_LEVEL var controls the output of other warning/info/debug msgs.
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "c11/threads.h"
#include "util/macros.h"
#include "egllog.h"
#ifdef HAVE_TIZEN_PLATFORM
#define LOG_TAG "MESA"
#include <dlog.h>
#endif
#ifdef HAVE_ANDROID_PLATFORM
#define LOG_TAG "EGL-MAIN"
#if ANDROID_API_LEVEL >= 26
#include <log/log.h>
#else
#include <cutils/log.h>
#endif /* use log/log.h start from android 8 major version */
#endif /* HAVE_ANDROID_PLATFORM */
#define MAXSTRING 1000
#define FALLBACK_LOG_LEVEL _EGL_FATAL
static struct {
mtx_t mutex;
EGLBoolean initialized;
EGLint level;
} logging = {
.mutex = _MTX_INITIALIZER_NP,
.initialized = EGL_FALSE,
.level = FALLBACK_LOG_LEVEL,
};
static const char *level_strings[] = {
[_EGL_FATAL] = "fatal",
[_EGL_WARNING] = "warning",
[_EGL_INFO] = "info",
[_EGL_DEBUG] = "debug",
};
#ifndef HAVE_TIZEN_PLATFORM
/**
* The default logger. It prints the message to stderr.
*/
static void
_eglDefaultLogger(EGLint level, const char *msg)
{
#ifdef HAVE_ANDROID_PLATFORM
static const int egl2alog[] = {
[_EGL_FATAL] = ANDROID_LOG_ERROR,
[_EGL_WARNING] = ANDROID_LOG_WARN,
[_EGL_INFO] = ANDROID_LOG_INFO,
[_EGL_DEBUG] = ANDROID_LOG_DEBUG,
};
LOG_PRI(egl2alog[level], LOG_TAG, "%s", msg);
#else
fprintf(stderr, "libEGL %s: %s\n", level_strings[level], msg);
#endif /* HAVE_ANDROID_PLATFORM */
}
#endif
/**
* Initialize the logging facility.
*/
static void
_eglInitLogger(void)
{
const char *log_env;
EGLint i, level = -1;
if (logging.initialized)
return;
log_env = getenv("EGL_LOG_LEVEL");
if (log_env) {
for (i = 0; i < ARRAY_SIZE(level_strings); i++) {
if (strcasecmp(log_env, level_strings[i]) == 0) {
level = i;
break;
}
}
}
logging.level = (level >= 0) ? level : FALLBACK_LOG_LEVEL;
logging.initialized = EGL_TRUE;
/* it is fine to call _eglLog now */
if (log_env && level < 0) {
_eglLog(_EGL_WARNING,
"Unrecognized EGL_LOG_LEVEL environment variable value. "
"Expected one of \"fatal\", \"warning\", \"info\", \"debug\". "
"Got \"%s\". Falling back to \"%s\".",
log_env, level_strings[FALLBACK_LOG_LEVEL]);
}
}
/**
* Log a message with message logger.
* \param level one of _EGL_FATAL, _EGL_WARNING, _EGL_INFO, _EGL_DEBUG.
*/
void
_eglLog(EGLint level, const char *fmtStr, ...)
{
va_list args;
#ifndef HAVE_TIZEN_PLATFORM
char msg[MAXSTRING];
int ret;
#endif
/* one-time initialization; a little race here is fine */
if (!logging.initialized)
_eglInitLogger();
if (level > logging.level || level < 0)
return;
mtx_lock(&logging.mutex);
#ifdef HAVE_TIZEN_PLATFORM
log_priority dlog_prio;
switch (level) {
case _EGL_FATAL:
dlog_prio = DLOG_ERROR;
break;
case _EGL_WARNING:
dlog_prio = DLOG_WARN;
break;
case _EGL_INFO:
dlog_prio = DLOG_INFO;
break;
case _EGL_DEBUG:
dlog_prio = DLOG_DEBUG;
break;
default:
mtx_unlock(&logging.mutex);
return;
}
#endif
va_start(args, fmtStr);
#ifdef HAVE_TIZEN_PLATFORM
__dlog_vprint(LOG_ID_SYSTEM, dlog_prio, LOG_TAG, fmtStr, args);
#else
ret = vsnprintf(msg, MAXSTRING, fmtStr, args);
if (ret < 0 || ret >= MAXSTRING)
strcpy(msg, "<message truncated>");
#endif
va_end(args);
#ifndef HAVE_TIZEN_PLATFORM
_eglDefaultLogger(level, msg);
#endif
mtx_unlock(&logging.mutex);
if (level == _EGL_FATAL)
exit(1); /* or abort()? */
}
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