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/*
* C Implementation: log
*
* Description:
*
*
* Author: <xeb@mail.ru>, (C) 2009
*
* Copyright: See COPYING file that comes with this distribution
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include <pthread.h>
#include <sys/time.h>
#include "log.h"
#define RED_COLOR "\033[1;31m"
#define GREEN_COLOR "\033[1;32m"
#define YELLOW_COLOR "\033[1;33m"
#define BLUE_COLOR "\033[1;34m"
#define NORMAL_COLOR "\033[0;39m"
#define LOG_ERROR 0
#define LOG_WARN 1
#define LOG_INFO 2
#define LOG_DEBUG 3
static FILE *log_file;
static int log_level=10;
static int log_color=1;
static const char* level_name[]={"error","warning","info","debug"};
static const char* level_color[]={RED_COLOR,YELLOW_COLOR,GREEN_COLOR,BLUE_COLOR};
static pthread_mutex_t lock=PTHREAD_MUTEX_INITIALIZER;
static int msg_completed=1;
static void do_log(int level,const char *fmt,va_list ap)
{
struct timeval tv;
//pthread_mutex_lock(&lock);
if (!log_file)
log_file=stdout;
if (msg_completed)
{
gettimeofday(&tv,NULL);
if (log_color) fprintf(log_file,"[%s%li.%03li] [%s]%s ",level_color[level],tv.tv_sec,tv.tv_usec/1000,NORMAL_COLOR,level_name[level]);
else fprintf(log_file,"[%li.%03li] [%s] ",tv.tv_sec,tv.tv_usec/1000,level_name[level]);
}
vfprintf(log_file,fmt,ap);
msg_completed=fmt[strlen(fmt)-1]=='\n';
//if (msg_completed) pthread_mutex_unlock(&lock);
}
void log_error(const char *fmt,...)
{
if (log_level>=1)
{
va_list ap;
va_start(ap,fmt);
do_log(LOG_ERROR,fmt,ap);
}
}
void log_warn(const char *fmt,...)
{
if (log_level>=2)
{
va_list ap;
va_start(ap,fmt);
do_log(LOG_WARN,fmt,ap);
}
}
void log_info(const char *fmt,...)
{
if (log_level>=3)
{
va_list ap;
va_start(ap,fmt);
do_log(LOG_INFO,fmt,ap);
}
}
void log_debug(const char *fmt,...)
{
if (log_level>=4)
{
va_list ap;
va_start(ap,fmt);
do_log(LOG_DEBUG,fmt,ap);
}
}
void log_msg(const char *fmt,...)
{
va_list ap;
if (msg_completed) return;
va_start(ap,fmt);
vfprintf(log_file,fmt,ap);
msg_completed=fmt[strlen(fmt)-1]=='\n';
if (msg_completed) pthread_mutex_unlock(&lock);
}
void log_init(FILE *f,int level,int color)
{
log_file=f;
log_level=level;
log_color=color;
}
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