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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>
#include "log.h"
/*
* The minimum log level; set to one of L_* constants from log.h
*/
int min_log_level = 666;
/*
* 0: send output to stderr
* 1: send output to syslog LOG_LOCAL1 facility
*/
int use_syslog = 0;
/* Turn log level number to a printable string */
char *log_printable_level(int level)
{
switch(level)
{
case L_ERROR:
return "ERROR";
case L_WARNING:
return "WARNING";
case L_NOTICE:
return "NOTICE";
case L_INFO:
return "INFO";
case L_DEBUG:
return "DEBUG";
}
return "UNKNOWN";
}
void log_init(void)
{
if(use_syslog)
{
openlog("tuntox", LOG_PID, LOG_LOCAL1);
}
}
void log_close(void)
{
if(use_syslog)
{
closelog();
}
}
/* Output the log to the console */
void log_printf(int level, const char *fmt, ...)
{
va_list args;
char logfmt[2048];
char logtime[100];
char *level_str;
time_t rawtime;
struct tm *timeinfo;
if(level > min_log_level)
{
return;
}
if(!use_syslog)
{
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(logtime, 100, "%F %X", timeinfo);
level_str = log_printable_level(level);
if(fmt[strlen(fmt)-1] == '\n')
{
snprintf(logfmt, 2048, "%s: [%s]\t%s", logtime, level_str, fmt);
}
else
{
snprintf(logfmt, 2048, "%s: [%s]\t%s\n", logtime, level_str, fmt);
}
va_start(args, fmt);
vfprintf(stderr, logfmt, args);
va_end(args);
}
else
{
va_start(args, fmt);
vsyslog(LOG_MAKEPRI(LOG_LOCAL1, level), fmt, args);
va_end(args);
}
}
void log_test(void)
{
int i = 112;
char *x = "test";
log_printf(L_WARNING, "Testing");
log_printf(L_ERROR, "Number stodwadziesciatrzy: %d", 123);
d(beenthere);
dd(i);
dp(&i);
ds(x);
}
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