/*
* Copyright (C) 2011-2014 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* log.cpp is to enable debug log with LIBYAMI_LOG_LEVEL and LIBYAMI_TRACE:
* LIBYAMI_LOG_LEVEL=log_level: the record will be printed if the log_level larger than (Error, 0), (Warning, 1), (Info, 2)(Debug & Debug_, 3).
* LIBYAMI_LOG=log_file: the libyami log saved into log_file;
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "log.h"
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <time.h>
#include "common/lock.h"
int yamiLogFlag;
FILE* yamiLogFn;
int isInit = 0;
static YamiMediaCodec::Lock g_traceLock;
void yamiTraceInit();
class TraceInitor {
public:
TraceInitor() { yamiTraceInit(); }
~TraceInitor() {}
};
static class TraceInitor g_initor;
void yamiTraceInit()
{
YamiMediaCodec::AutoLock locker(g_traceLock);
if(!isInit){
char* libyamiLogLevel = getenv("LIBYAMI_LOG_LEVEL");
char* libyamLog = getenv("LIBYAMI_LOG");
FILE* tmp;
yamiLogFn = stderr;
if (libyamiLogLevel){
yamiLogFlag = atoi(libyamiLogLevel);
if (libyamLog){
time_t now;
struct tm* curtime;
char filename[80];
time(&now);
if ((curtime = localtime(&now))) {
snprintf(filename, sizeof(filename), "%s_%2d_%02d_%02d_%02d_%02d", libyamLog,
curtime->tm_year + 1900, curtime->tm_mon + 1, curtime->tm_mday,
curtime->tm_hour, curtime->tm_sec);
} else {
snprintf(filename, sizeof(filename), "%s", libyamLog);
}
if ((tmp = fopen(filename, "w"))){
yamiLogFn = tmp;
ERROR("Libyami_Trace is on, save log into %s.\n", filename);
} else {
ERROR("Open file %s failed.\n", filename);
}
}
}
else {
yamiLogFlag = YAMI_LOG_ERROR;
}
isInit = 1;
}
#ifndef __ENABLE_DEBUG__
if (yamiLogFlag > YAMI_LOG_ERROR)
fprintf(stderr, "yami log isn't enabled (--enable-debug)\n");
#endif
}