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/*************************************************************************** |
/*************************************************************************** |
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log.c - description |
log.c - description |
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------------------- |
------------------- |
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begin : Mon Oct 18 2004 |
Copyright : (C) 2004-2025 by Leaflet |
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copyright : (C) 2004 by leaf |
Email : leaflet@leafok.com |
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email : leaflet@leafok.com |
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***************************************************************************/ |
***************************************************************************/ |
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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
* the Free Software Foundation; either version 3 of the License, or * |
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* (at your option) any later version. * |
* (at your option) any later version. * |
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* * |
* * |
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***************************************************************************/ |
***************************************************************************/ |
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#include "common.h" |
#include "common.h" |
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#include "io.h" |
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#include "log.h" |
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#include <stdarg.h> |
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#include <string.h> |
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#include <time.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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FILE *fp_log_std; |
#define STR_LOG_TIME_MAX_LEN 50 |
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FILE *fp_log_err; |
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int |
static FILE *fp_common_log; |
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log_begin (char *file_log_std, char *file_log_err) |
static FILE *fp_error_log; |
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{ |
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fp_log_std = fopen (file_log_std, "a"); |
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if (fp_log_std == NULL) |
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{ |
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perror ("log_begin failed\n"); |
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return -1; |
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} |
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fp_log_err = fopen (file_log_err, "a"); |
int log_begin(char *common_log_file, char *error_log_file) |
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if (fp_log_err == NULL) |
{ |
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{ |
fp_common_log = fopen(common_log_file, "a"); |
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perror ("log_begin failed\n"); |
if (fp_common_log == NULL) |
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return -2; |
{ |
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} |
perror("log_begin failed\n"); |
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return -1; |
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} |
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fp_error_log = fopen(error_log_file, "a"); |
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if (fp_error_log == NULL) |
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{ |
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perror("log_begin failed\n"); |
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return -2; |
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} |
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return 0; |
return 0; |
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} |
} |
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int |
void log_end() |
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log_end () |
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{ |
{ |
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fclose (fp_log_std); |
fclose(fp_common_log); |
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fclose (fp_log_err); |
fclose(fp_error_log); |
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} |
} |
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int |
inline static void log_head(char *buf, size_t len, int log_level, const char *app_file, int app_line) |
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log_head (char *buf) |
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{ |
{ |
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time_t t; |
time_t t; |
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char s_time[256]; |
struct tm gm_tm; |
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t = time(0); |
char s_time[STR_LOG_TIME_MAX_LEN + 1]; |
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strftime(s_time,256,"%Y-%m-%d %H:%M:%S", localtime (&t)); |
time(&t); |
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sprintf(buf,"[%s] [%d] ", s_time, getpid()); |
gmtime_r(&t, &gm_tm); |
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strftime(s_time, sizeof(s_time), "%Y-%m-%d %H:%M:%S", &gm_tm); |
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return 0; |
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if (log_level == LOG_LEVEL_COMMON) |
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{ |
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snprintf(buf, len, "[%s] [%d] [INFO] ", s_time, getpid()); |
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} |
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else // if (log_level == LOG_LEVEL_ERROR) |
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{ |
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snprintf(buf, len, "[%s] [%d] [ERROR] [%s:%d] ", s_time, getpid(), app_file, app_line); |
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} |
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} |
} |
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int |
int log_printf(int log_level, const char *app_file, int app_line, const char *format, ...) |
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log_std (char *msg) |
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{ |
{ |
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char buf[1024]; |
va_list args; |
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int retval; |
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char buf[LINE_BUFFER_LEN]; |
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FILE *fp_log; |
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if (fp_log_std == NULL) |
fp_log = (log_level == LOG_LEVEL_ERROR ? fp_error_log : fp_common_log); |
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{ |
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perror ("log_std failed\n"); |
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return -1; |
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} |
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log_head(buf); |
log_head(buf, sizeof(buf), log_level, app_file, app_line); |
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strncat(buf, format, sizeof(buf) - strnlen(buf, sizeof(buf))); |
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strcat(buf,msg); |
va_start(args, format); |
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retval = vfprintf(fp_log, buf, args); |
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if (fprintf (fp_log_std, buf)<0) |
va_end(args); |
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{ |
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perror ("log_std failed\n"); |
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return -2; |
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} |
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fflush(fp_log_std); |
fflush(fp_log); |
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return 0; |
return retval; |
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} |
} |
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int |
int log_common_redir(int fd) |
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log_error (char *error_msg) |
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{ |
{ |
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char buf[1024]; |
int ret; |
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close(fileno(fp_common_log)); |
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if (fp_log_err == NULL) |
ret = dup2(fd, fileno(fp_common_log)); |
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{ |
return ret; |
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perror ("log_error failed\n"); |
} |
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return -1; |
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} |
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log_head(buf); |
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strcat(buf,error_msg); |
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if (fprintf (fp_log_err, buf)<0) |
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{ |
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perror ("log_error failed\n"); |
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return -2; |
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} |
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fflush(fp_log_err); |
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return 0; |
int log_error_redir(int fd) |
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{ |
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int ret; |
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close(fileno(fp_error_log)); |
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ret = dup2(fd, fileno(fp_error_log)); |
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return ret; |
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} |
} |
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