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/*
* log.c
*
* Copyright (C) 2012 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity 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.
*
* Profanity 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 Profanity. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "glib.h"
#include "common.h"
#include "files.h"
#include "log.h"
#include "preferences.h"
#define PROF "prof"
#ifdef _WIN32
// replace 'struct stat' and 'stat()' for windows
#define stat _stat
#endif
static FILE *logp;
static GTimeZone *tz;
static GDateTime *dt;
static log_level_t level_filter;
static void _rotate_log_file(void);
void
log_debug(const char * const msg, ...)
{
va_list arg;
va_start(arg, msg);
GString *fmt_msg = g_string_new(NULL);
g_string_vprintf(fmt_msg, msg, arg);
log_msg(PROF_LEVEL_DEBUG, PROF, fmt_msg->str);
g_string_free(fmt_msg, TRUE);
va_end(arg);
}
void
log_info(const char * const msg, ...)
{
va_list arg;
va_start(arg, msg);
GString *fmt_msg = g_string_new(NULL);
g_string_vprintf(fmt_msg, msg, arg);
log_msg(PROF_LEVEL_INFO, PROF, fmt_msg->str);
g_string_free(fmt_msg, TRUE);
va_end(arg);
}
void
log_warning(const char * const msg, ...)
{
va_list arg;
va_start(arg, msg);
GString *fmt_msg = g_string_new(NULL);
g_string_vprintf(fmt_msg, msg, arg);
log_msg(PROF_LEVEL_WARN, PROF, fmt_msg->str);
g_string_free(fmt_msg, TRUE);
va_end(arg);
}
void
log_error(const char * const msg, ...)
{
va_list arg;
va_start(arg, msg);
GString *fmt_msg = g_string_new(NULL);
g_string_vprintf(fmt_msg, msg, arg);
log_msg(PROF_LEVEL_ERROR, PROF, fmt_msg->str);
g_string_free(fmt_msg, TRUE);
va_end(arg);
}
void
log_init(log_level_t filter)
{
level_filter = filter;
tz = g_time_zone_new_local();
gchar *log_file = files_get_log_file();
logp = fopen(log_file, "a");
g_free(log_file);
}
log_level_t
log_get_filter(void)
{
return level_filter;
}
void
log_close(void)
{
g_time_zone_unref(tz);
fclose(logp);
}
void
log_msg(log_level_t level, const char * const area, const char * const msg)
{
if (level >= level_filter) {
struct stat st;
int result;
gchar *log_file = files_get_log_file();
dt = g_date_time_new_now(tz);
gchar *date_fmt = g_date_time_format(dt, "%d/%m/%Y %H:%M:%S");
fprintf(logp, "%s: %s: %s\n", date_fmt, area, msg);
g_date_time_unref(dt);
fflush(logp);
g_free(date_fmt);
result = stat(log_file, &st);
if (result == 0 && st.st_size >= prefs_get_max_log_size()) {
_rotate_log_file();
}
g_free(log_file);
}
}
static void
_rotate_log_file(void)
{
gchar *log_file = files_get_log_file();
size_t len = strlen(log_file);
char *log_file_new = malloc(len + 3);
strncpy(log_file_new, log_file, len);
log_file_new[len] = '.';
log_file_new[len+1] = '1';
log_file_new[len+2] = 0;
log_close();
rename(log_file, log_file_new);
log_init(log_get_filter());
free(log_file_new);
g_free(log_file);
log_info("Log has been rotated");
}
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