LinuxGUI/Ventoy2Disk/Core/ventoy_log.c

   1 /******************************************************************************
   2  * ventoy_log.c  ---- ventoy log
   3  *
   4  * Copyright (c) 2021, longpanda <admin@ventoy.net>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 3 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <stdint.h>
  23 #include <stdarg.h>
  24 #include <string.h>
  25 #include <errno.h>
  26 #include <unistd.h>
  27 #include <pthread.h>
  28 #include <time.h>
  29 #include <ventoy_define.h>
  30
  31 static int g_ventoy_log_level = VLOG_DEBUG;
  32 static pthread_mutex_t g_log_mutex;
  33
  34 int ventoy_log_init(void)
  35 {
  36     pthread_mutex_init(&g_log_mutex, NULL);
  37     return 0;
  38 }
  39
  40 void ventoy_log_exit(void)
  41 {
  42     pthread_mutex_destroy(&g_log_mutex);
  43 }
  44
  45 void ventoy_set_loglevel(int level)
  46 {
  47     g_ventoy_log_level = level;
  48 }
  49
  50 void ventoy_syslog_newline(int level, const char *Fmt, ...)
  51 {
  52     char log[512];
  53     va_list arg;
  54     time_t stamp;
  55     struct tm ttm;
  56     FILE *fp;
  57
  58     if (level > g_ventoy_log_level)
  59     {
  60         return;
  61     }
  62
  63     time(&stamp);
  64     localtime_r(&stamp, &ttm);
  65
  66     va_start(arg, Fmt);
  67     vsnprintf(log, 512, Fmt, arg);
  68     va_end(arg);
  69
  70     pthread_mutex_lock(&g_log_mutex);
  71     fp = fopen(VTOY_LOG_FILE, "a+");
  72     if (fp)
  73     {
  74         fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s\n",
  75            ttm.tm_year, ttm.tm_mon, ttm.tm_mday,
  76            ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
  77            log);
  78         fclose(fp);
  79     }
  80     pthread_mutex_unlock(&g_log_mutex);
  81 }
  82
  83 void ventoy_syslog(int level, const char *Fmt, ...)
  84 {
  85     char log[512];
  86     va_list arg;
  87     time_t stamp;
  88     struct tm ttm;
  89     FILE *fp;
  90
  91     if (level > g_ventoy_log_level)
  92     {
  93         return;
  94     }
  95
  96     time(&stamp);
  97     localtime_r(&stamp, &ttm);
  98
  99     va_start(arg, Fmt);
 100     vsnprintf(log, 512, Fmt, arg);
 101     va_end(arg);
 102
 103     pthread_mutex_lock(&g_log_mutex);
 104     fp = fopen(VTOY_LOG_FILE, "a+");
 105     if (fp)
 106     {
 107         fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s",
 108            ttm.tm_year, ttm.tm_mon, ttm.tm_mday,
 109            ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
 110            log);
 111         fclose(fp);
 112     }
 113     pthread_mutex_unlock(&g_log_mutex);
 114 }
 115