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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <syslog.h>
#include <string.h>
#include <time.h>
#include "error.h"
bool log_console = true;
char *log_file = NULL;
bool log_syslog = false;
int log_level = 1;
void dolog(int level, const char *format, ...)
{
if (level <= log_level)
{
char buffer[4096];
va_list ap;
time_t now = time(NULL);
char timestr[256] = { 0 };
ctime_r(&now, timestr); // can't set a limit so hopefully this 256 is enough!
char *dummy = strchr(timestr, '\n');
if (dummy) *dummy = 0x00;
va_start(ap, format);
vsnprintf(buffer, sizeof buffer, format, ap);
va_end(ap);
if (log_console)
printf("%s]%d| %s\n", timestr, level, buffer);
if (log_file)
{
FILE *fh = fopen(log_file, "a+");
if (!fh)
{
syslog(LOG_CRIT, "error accessing logfile %s: %m", log_file);
fprintf(stderr, "error accessing logfile %s: %s", log_file, strerror(errno));
exit(1);
}
fprintf(fh, "%s]%d| %s\n", timestr, level, buffer);
fclose(fh);
}
if (log_syslog)
syslog(level, "%s", buffer);
}
}
void set_logging_parameters(bool console, char *file, bool sl, int ll)
{
log_console = console;
log_file = file;
log_syslog = sl;
log_level = ll;
if (ll < 0)
{
ll = 0;
error_exit("Log level must be >= 0");
}
}
void set_loglevel(int ll)
{
log_level = ll;
}
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