170 lines
2.8 KiB
C
170 lines
2.8 KiB
C
/*
|
|
* BIRD Library -- Logging Functions
|
|
*
|
|
* (c) 1998--1999 Martin Mares <mj@ucw.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <sys/time.h>
|
|
|
|
#include "nest/bird.h"
|
|
#include "nest/cli.h"
|
|
#include "lib/string.h"
|
|
|
|
static int log_inited;
|
|
static FILE *logf = NULL;
|
|
static FILE *dbgf = NULL;
|
|
|
|
#ifdef HAVE_SYSLOG
|
|
#include <sys/syslog.h>
|
|
|
|
static int syslog_priorities[] = {
|
|
LOG_INFO,
|
|
LOG_DEBUG,
|
|
LOG_INFO,
|
|
LOG_WARNING,
|
|
LOG_ERR,
|
|
LOG_NOTICE,
|
|
LOG_CRIT
|
|
};
|
|
#endif
|
|
|
|
static char *class_names[] = {
|
|
"???",
|
|
"DBG",
|
|
"INFO",
|
|
"WARN",
|
|
"ERR",
|
|
"AUTH",
|
|
"FATAL"
|
|
};
|
|
|
|
static void
|
|
vlog(int class, char *msg, va_list args)
|
|
{
|
|
char buf[1024];
|
|
char date[32];
|
|
|
|
if (bvsnprintf(buf, sizeof(buf)-1, msg, args) < 0)
|
|
bsprintf(buf + sizeof(buf) - 100, " ... <too long>");
|
|
|
|
if (logf)
|
|
{
|
|
time_t now = time(NULL);
|
|
struct tm *tm = localtime(&now);
|
|
|
|
bsprintf(date, "%02d-%02d-%04d %02d:%02d:%02d <%s> ",
|
|
tm->tm_mday,
|
|
tm->tm_mon+1,
|
|
tm->tm_year+1900,
|
|
tm->tm_hour,
|
|
tm->tm_min,
|
|
tm->tm_sec,
|
|
class_names[class]);
|
|
fputs(date, logf);
|
|
fputs(buf, logf);
|
|
fputc('\n', logf);
|
|
fflush(logf);
|
|
}
|
|
#ifdef HAVE_SYSLOG
|
|
else if (log_inited)
|
|
syslog(syslog_priorities[class], "%s", buf);
|
|
#endif
|
|
else
|
|
{
|
|
fputs("bird: ", stderr);
|
|
fputs(buf, stderr);
|
|
fputc('\n', stderr);
|
|
fflush(stderr);
|
|
}
|
|
cli_echo(class, buf);
|
|
}
|
|
|
|
void
|
|
log(char *msg, ...)
|
|
{
|
|
int class = 1;
|
|
va_list args;
|
|
|
|
va_start(args, msg);
|
|
if (*msg >= 1 && *msg <= 8)
|
|
class = *msg++;
|
|
vlog(class, msg, args);
|
|
va_end(args);
|
|
}
|
|
|
|
void
|
|
bug(char *msg, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start(args, msg);
|
|
vlog(L_BUG[0], msg, args);
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
die(char *msg, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start(args, msg);
|
|
vlog(L_FATAL[0], msg, args);
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
debug(char *msg, ...)
|
|
{
|
|
va_list args;
|
|
char buf[1024];
|
|
|
|
va_start(args, msg);
|
|
if (bvsnprintf(buf, sizeof(buf), msg, args) < 0)
|
|
bsprintf(buf + sizeof(buf) - 100, " ... <too long>\n");
|
|
if (dbgf)
|
|
fputs(buf, dbgf);
|
|
va_end(args);
|
|
}
|
|
|
|
void
|
|
log_init(char *f)
|
|
{
|
|
FILE *new;
|
|
|
|
if (!f)
|
|
new = stderr;
|
|
else if (!*f)
|
|
{
|
|
new = NULL;
|
|
#ifdef HAVE_SYSLOG
|
|
openlog("bird", LOG_CONS | LOG_NDELAY, LOG_DAEMON);
|
|
#endif
|
|
}
|
|
else if (!(new = fopen(f, "a")))
|
|
{
|
|
log(L_ERR "Unable to open log file `%s': %m", f);
|
|
return;
|
|
}
|
|
if (logf && logf != stderr)
|
|
fclose(logf);
|
|
logf = new;
|
|
log_inited = 1;
|
|
}
|
|
|
|
void
|
|
log_init_debug(char *f)
|
|
{
|
|
if (dbgf && dbgf != stderr)
|
|
fclose(dbgf);
|
|
if (!f)
|
|
dbgf = stderr;
|
|
else if (!*f)
|
|
dbgf = NULL;
|
|
else if (!(dbgf = fopen(f, "a")))
|
|
log(L_ERR "Error opening debug file `%s': %m", f);
|
|
}
|