core-legacy/src/logger.c

#include <stdio.h>
#include <stdarg.h>
#include <string.h>

#include <config.h>
#include <logger.h>

const char *COLOR_DEBUG = COLOR_GREEN;
const char *COLOR_INFO = COLOR_CYAN;
const char *COLOR_NOTICE = COLOR_CYAN;
const char *COLOR_WARNING = COLOR_YELLOW;
const char *COLOR_ERR = COLOR_RED;
const char *COLOR_CRIT = COLOR_MAGENTA;
const char *COLOR_EMERG = COLOR_MAGENTA;

void
logger_log(int level, const char *filename, int line, const char *func, const char *msg, ...)
{
    if(global_config.log_level < level)
    {
        return;
    }
    const char *level_str;
    const char *color;

    switch(level)
    {
        case LOG_DEBUG:
            color = COLOR_DEBUG;
            level_str = "DEBUG";
            break;
        case LOG_INFO:
            color = COLOR_INFO;
            level_str = "INFO";
            break;
        case LOG_NOTICE:
            color = COLOR_NOTICE;
            level_str = "NOTE";
            break;
        case LOG_WARNING:
            color = COLOR_WARNING;
            level_str = "WARN";
            break;
        case LOG_ERR:
            color = COLOR_ERR;
            level_str = "ERROR";
            break;
        case LOG_CRIT:
            color = COLOR_CRIT;
            level_str = "CRIT";
            break;
        case LOG_EMERG:
            color = COLOR_EMERG;
            level_str = "EMERG";
            break;
        default:
            return;
    }

    char timestamp_str[32];
    time_t rawtime;
    time(&rawtime);
    strftime(timestamp_str, 32, "%Y-%m-%d %H:%M:%S", localtime(&rawtime));

    char *buffer = malloc(sizeof(char) * (128 + strlen(msg)));
    sprintf(buffer, "%s[%5s] %s:%d:%s " COLOR_NONE "%s", color, level_str, filename, line, func, msg);

    //fprintf(stream, "%s %s:%d:%s " COLOR_NONE, timestamp_str, filename, line, func);

    va_list args;
    va_start(args, msg);
    vsyslog(level, buffer, args);
    va_end(args);

    char *buffer_timed = malloc(sizeof(char) * (strlen(timestamp_str) + strlen(buffer) + 2));
    sprintf(buffer_timed, "%s %s", timestamp_str, buffer);
    va_start(args, msg);
    vfprintf(global_config.log_file, buffer_timed, args);
    fflush(global_config.log_file);
    va_end(args);

    free(buffer);
    free(buffer_timed);
}