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/*******************************************************************************
*
* Copyright (c) 2004 Guillaume Cottenceau
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
******************************************************************************/
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#include <syslog.h>
#include "tools.h"
#include "log.h"
#include "net.h"
int output_type = OUTPUT_TYPE_INFO;
int debug_mode = FALSE;
time_t get_current_time(void)
{
struct timeval now;
struct timezone tz;
gettimeofday(&now, &tz);
return now.tv_sec;
}
double get_current_time_exact(void)
{
struct timezone tz;
struct timeval now;
gettimeofday(&now, &tz);
return (double) now.tv_sec + now.tv_usec / 1e6; // bad bad idea to use float as precision is not down to the seconds then
}
char current_date[50];
char* get_current_date(void)
{
struct tm * lt;
char buf[25];
double time = get_current_time_exact();
time_t seconds = (time_t)time;
lt = localtime(&seconds);
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", lt);
snprintf(current_date, sizeof(current_date), "%s.%03d", buf, (int)(1000 * (time-seconds)));
return current_date;
}
void logging_init(int portnum) {
openlog(asprintf_("fb-server[TCP%d]", portnum), LOG_PID, LOG_DAEMON);
if (output_type == OUTPUT_TYPE_DEBUG) {
l0(OUTPUT_TYPE_INFO, "Starting log. Messages displayed: DEBUG, CONNECT, INFO, ERROR.");
} else if (output_type == OUTPUT_TYPE_CONNECT) {
l0(OUTPUT_TYPE_INFO, "Starting log. Messages displayed: CONNECT, INFO, ERROR.");
} else if (output_type == OUTPUT_TYPE_INFO) {
l0(OUTPUT_TYPE_INFO, "Starting log. Messages displayed: INFO, ERROR.");
}
}
char* get_wanted_type(int wanted_output_type)
{
return wanted_output_type == OUTPUT_TYPE_DEBUG ? "DEBUG"
: wanted_output_type == OUTPUT_TYPE_CONNECT ? "CONNECT"
: wanted_output_type == OUTPUT_TYPE_INFO ? "INFO"
: "ERROR";
}
void l_(int wanted_output_type, char* file, long line, const char* func, char* fmt, ...)
{
char *msg;
va_list args;
if (output_type <= wanted_output_type) {
int level = 0;
va_start(args, fmt);
msg = vasprintf_(fmt, args); // segfault later if no more memory :)
va_end(args);
if (wanted_output_type == OUTPUT_TYPE_DEBUG) {
level = LOG_DEBUG;
} else if (wanted_output_type == OUTPUT_TYPE_CONNECT) {
level = LOG_NOTICE;
} else if (wanted_output_type == OUTPUT_TYPE_INFO) {
level = LOG_INFO;
} else if (wanted_output_type == OUTPUT_TYPE_ERROR) {
level = LOG_ERR;
}
if (debug_mode)
fprintf(stderr, "[%s] %s %s:%ld(%s): %s\n", get_current_date(), get_wanted_type(wanted_output_type), file, line, func, msg);
else {
if (output_type == OUTPUT_TYPE_DEBUG)
syslog(level, "[%s] %s %s:%ld(%s): %s", get_current_date(), get_wanted_type(wanted_output_type), file, line, func, msg);
else
syslog(level, "%s %s", get_wanted_type(wanted_output_type), msg);
}
free(msg);
}
}
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