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 <linux/limits.h>
  30 #include <ventoy_define.h>
  31
  32 extern char g_log_file[PATH_MAX];
  33 static int g_ventoy_log_level = VLOG_DEBUG;
  34 static pthread_mutex_t g_log_mutex;
  35
  36 int ventoy_log_init(void)
  37 {
  38     pthread_mutex_init(&g_log_mutex, NULL);
  39     return 0;
  40 }
  41
  42 void ventoy_log_exit(void)
  43 {
  44     pthread_mutex_destroy(&g_log_mutex);
  45 }
  46
  47 void ventoy_set_loglevel(int level)
  48 {
  49     g_ventoy_log_level = level;
  50 }
  51
  52 void ventoy_syslog_newline(int level, const char *Fmt, ...)
  53 {
  54     char log[512];
  55     va_list arg;
  56     time_t stamp;
  57     struct tm ttm;
  58     FILE *fp;
  59
  60     if (level > g_ventoy_log_level)
  61     {
  62         return;
  63     }
  64
  65     time(&stamp);
  66     localtime_r(&stamp, &ttm);
  67
  68     va_start(arg, Fmt);
  69     vsnprintf(log, 512, Fmt, arg);
  70     va_end(arg);
  71
  72     pthread_mutex_lock(&g_log_mutex);
  73     fp = fopen(g_log_file, "a+");
  74     if (fp)
  75     {
  76         fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s\n",
  77            ttm.tm_year, ttm.tm_mon, ttm.tm_mday,
  78            ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
  79            log);
  80         fclose(fp);
  81     }
  82     pthread_mutex_unlock(&g_log_mutex);
  83 }
  84
  85 void ventoy_syslog_printf(const char *Fmt, ...)
  86 {
  87     char log[512];
  88     va_list arg;
  89     time_t stamp;
  90     struct tm ttm;
  91     FILE *fp;
  92
  93     time(&stamp);
  94     localtime_r(&stamp, &ttm);
  95
  96     va_start(arg, Fmt);
  97     vsnprintf(log, 512, Fmt, arg);
  98     va_end(arg);
  99
 100     pthread_mutex_lock(&g_log_mutex);
 101     fp = fopen(g_log_file, "a+");
 102     if (fp)
 103     {
 104         fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s",
 105            ttm.tm_year, ttm.tm_mon, ttm.tm_mday,
 106            ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
 107            log);
 108         fclose(fp);
 109     }
 110     pthread_mutex_unlock(&g_log_mutex);
 111 }
 112
 113 void ventoy_syslog(int level, const char *Fmt, ...)
 114 {
 115     char log[512];
 116     va_list arg;
 117     time_t stamp;
 118     struct tm ttm;
 119     FILE *fp;
 120
 121     if (level > g_ventoy_log_level)
 122     {
 123         return;
 124     }
 125
 126     time(&stamp);
 127     localtime_r(&stamp, &ttm);
 128
 129     va_start(arg, Fmt);
 130     vsnprintf(log, 512, Fmt, arg);
 131     va_end(arg);
 132
 133     pthread_mutex_lock(&g_log_mutex);
 134     fp = fopen(g_log_file, "a+");
 135     if (fp)
 136     {
 137         fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s",
 138            ttm.tm_year + 1900, ttm.tm_mon, ttm.tm_mday,
 139            ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
 140            log);
 141         fclose(fp);
 142     }
 143     pthread_mutex_unlock(&g_log_mutex);
 144 }
 145