/****************************************************************************** * ventoy_log.c ---- ventoy log * * Copyright (c) 2021, longpanda <admin@ventoy.net> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. * */ #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <stdarg.h> #include <string.h> #include <errno.h> #include <unistd.h> #include <pthread.h> #include <time.h> #include <ventoy_define.h> static int g_ventoy_log_level = VLOG_DEBUG; static pthread_mutex_t g_log_mutex; int ventoy_log_init(void) { pthread_mutex_init(&g_log_mutex, NULL); return 0; } void ventoy_log_exit(void) { pthread_mutex_destroy(&g_log_mutex); } void ventoy_set_loglevel(int level) { g_ventoy_log_level = level; } void ventoy_syslog_newline(int level, const char *Fmt, ...) { char log[512]; va_list arg; time_t stamp; struct tm ttm; FILE *fp; if (level > g_ventoy_log_level) { return; } time(&stamp); localtime_r(&stamp, &ttm); va_start(arg, Fmt); vsnprintf(log, 512, Fmt, arg); va_end(arg); pthread_mutex_lock(&g_log_mutex); fp = fopen(VTOY_LOG_FILE, "a+"); if (fp) { fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s\n", ttm.tm_year, ttm.tm_mon, ttm.tm_mday, ttm.tm_hour, ttm.tm_min, ttm.tm_sec, log); fclose(fp); } pthread_mutex_unlock(&g_log_mutex); } void ventoy_syslog_printf(const char *Fmt, ...) { char log[512]; va_list arg; time_t stamp; struct tm ttm; FILE *fp; time(&stamp); localtime_r(&stamp, &ttm); va_start(arg, Fmt); vsnprintf(log, 512, Fmt, arg); va_end(arg); pthread_mutex_lock(&g_log_mutex); fp = fopen(VTOY_LOG_FILE, "a+"); if (fp) { fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s", ttm.tm_year, ttm.tm_mon, ttm.tm_mday, ttm.tm_hour, ttm.tm_min, ttm.tm_sec, log); fclose(fp); } pthread_mutex_unlock(&g_log_mutex); } void ventoy_syslog(int level, const char *Fmt, ...) { char log[512]; va_list arg; time_t stamp; struct tm ttm; FILE *fp; if (level > g_ventoy_log_level) { return; } time(&stamp); localtime_r(&stamp, &ttm); va_start(arg, Fmt); vsnprintf(log, 512, Fmt, arg); va_end(arg); pthread_mutex_lock(&g_log_mutex); fp = fopen(VTOY_LOG_FILE, "a+"); if (fp) { fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s", ttm.tm_year, ttm.tm_mon, ttm.tm_mday, ttm.tm_hour, ttm.tm_min, ttm.tm_sec, log); fclose(fp); } pthread_mutex_unlock(&g_log_mutex); }