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Added new subdir for UNIX-dependent files.

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Now contains only functions for logging, but it will change soon.
This commit is contained in:
Martin Mares 1998-05-03 16:42:08 +00:00
parent 1feea03e74
commit 6032aa6ade
2 changed files with 150 additions and 0 deletions
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3
sysdep/unix/Makefile Normal file
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OBJS=log.o
include $(TOPDIR)/Rules

147
sysdep/unix/log.c Normal file
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/*
* BIRD Library -- Logging Functions
*
* (c) 1998 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"
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)
{
if (logf)
{
time_t now = time(NULL);
struct tm *tm = localtime(&now);
fprintf(logf, "%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]);
vfprintf(logf, msg, args);
fputc('\n', logf);
fflush(logf);
}
#ifdef HAVE_SYSLOG
else if (log_inited)
vsyslog(syslog_priorities[class], msg, args);
#endif
else
{
fputs("bird: ", stderr);
vfprintf(stderr, msg, args);
fputc('\n', stderr);
fflush(stderr);
}
}
void
log(char *msg, ...)
{
int class = 1;
va_list args;
va_start(args, msg);
if (*msg >= 1 && *msg <= 6)
class = *msg++;
vlog(class, msg, args);
va_end(args);
}
void
die(char *msg, ...)
{
va_list args;
va_start(args, msg);
vlog(6, msg, args);
exit(1);
}
void
debug(char *msg, ...)
{
va_list args;
va_start(args, msg);
if (dbgf)
vfprintf(dbgf, msg, args);
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);
}