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Logging is now configurable. You can define multiple log outputs (to both

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files and syslog) and assign lists of message categories to each of them.
This commit is contained in:
Martin Mares 1999-12-06 13:45:56 +00:00
parent 7c0cc76ed7
commit a0c37b45e5
7 changed files with 170 additions and 58 deletions
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3
doc/bird.conf.example
View file

@ -4,6 +4,9 @@
# Yet another comment
#log syslog { error };
#log "tmp" all;
#router id 62.168.0.1;
#define xyzzy = 120+10;

3
lib/birdlib.h
View file

@ -44,9 +44,6 @@ void bug(char *msg, ...) NORET;
#define L_FATAL "\007" /* Fatal errors */
#define L_BUG "\010" /* BIRD bugs */
void log_init(char *); /* Initialize logging to given file (NULL=stderr, ""=syslog) */
void log_init_debug(char *); /* Initialize debug dump to given file (NULL=stderr, ""=off) */
void debug(char *msg, ...); /* Printf to debug output */
/* Debugging */

1
sysdep/unix/Modules
View file

@ -4,6 +4,7 @@ timer.h
io.c
unix.h
endian.h
config.Y
krt.c
krt.h

62
sysdep/unix/config.Y Normal file
View file

@ -0,0 +1,62 @@
/*
* BIRD -- UNIX Configuration
*
* (c) 1999 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
CF_HDR
#include "lib/unix.h"
CF_DECLS
CF_KEYWORDS(LOG, SYSLOG, ALL, DEBUG, TRACE, INFO, REMOTE, WARNING, ERROR, AUTH, FATAL, BUG)
%type <i> log_mask log_mask_list log_cat
CF_GRAMMAR
CF_ADDTO(conf, log_config)
log_config: LOG TEXT log_mask ';' {
struct log_config *c = cfg_allocz(sizeof(struct log_config));
FILE *f = rfopen(new_config->pool, $2, "a");
if (!f) cf_error("Unable to open log file `%s': %m", $2);
c->mask = $3;
c->fh = f;
add_tail(&new_config->logfiles, &c->n);
}
| LOG SYSLOG log_mask ';' {
struct log_config *c = cfg_allocz(sizeof(struct log_config));
c->mask = $3;
add_tail(&new_config->logfiles, &c->n);
}
;
log_mask:
ALL { $$ = ~0; }
| '{' log_mask_list '}' { $$ = $2; }
;
log_mask_list:
log_cat { $$ = 1 << $1; }
| log_mask_list ',' log_cat { $$ = $1 | (1 << $3); }
;
log_cat:
DEBUG { $$ = L_DEBUG[0]; }
| TRACE { $$ = L_TRACE[0]; }
| INFO { $$ = L_INFO[0]; }
| REMOTE { $$ = L_REMOTE[0]; }
| WARNING { $$ = L_WARN[0]; }
| ERROR { $$ = L_ERR[0]; }
| AUTH { $$ = L_AUTH[0]; }
| FATAL { $$ = L_FATAL[0]; }
| BUG { $$ = L_BUG[0]; }
;
CF_CODE
CF_END

118
sysdep/unix/log.c
View file

@ -14,21 +14,26 @@
#include "nest/bird.h"
#include "nest/cli.h"
#include "lib/string.h"
#include "lib/lists.h"
#include "lib/unix.h"
static int log_inited;
static FILE *logf = NULL;
static FILE *dbgf = NULL;
static list *current_log_list;
static list init_log_list;
#ifdef HAVE_SYSLOG
#include <sys/syslog.h>
static int syslog_priorities[] = {
LOG_INFO,
LOG_DEBUG,
LOG_DEBUG,
LOG_DEBUG,
LOG_INFO,
LOG_ERR,
LOG_WARNING,
LOG_ERR,
LOG_NOTICE,
LOG_ERR,
LOG_CRIT,
LOG_CRIT
};
#endif
@ -36,50 +41,55 @@ static int syslog_priorities[] = {
static char *class_names[] = {
"???",
"DBG",
"TRACE",
"INFO",
"RMT",
"WARN",
"ERR",
"AUTH",
"FATAL"
"FATAL",
"BUG"
};
static void
vlog(int class, char *msg, va_list args)
{
char buf[1024];
char date[32];
struct log_config *l;
if (bvsnprintf(buf, sizeof(buf)-1, msg, args) < 0)
bsprintf(buf + sizeof(buf) - 100, " ... <too long>");
if (logf)
WALK_LIST(l, *current_log_list)
{
time_t now = time(NULL);
struct tm *tm = localtime(&now);
if (!(l->mask & (1 << class)))
continue;
if (l->fh)
{
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);
}
if (l->terminal_flag)
fputs("bird: ", l->fh);
else
{
fprintf(l->fh, "%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(buf, l->fh);
fputc('\n', l->fh);
fflush(l->fh);
}
#ifdef HAVE_SYSLOG
else if (log_inited)
syslog(syslog_priorities[class], "%s", buf);
else
syslog(syslog_priorities[class], "%s", buf);
#endif
else
{
fputs("bird: ", stderr);
fputs(buf, stderr);
fputc('\n', stderr);
fflush(stderr);
}
cli_echo(class, buf);
}
@ -124,36 +134,40 @@ debug(char *msg, ...)
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);
{
if (bvsnprintf(buf, sizeof(buf), msg, args) < 0)
bsprintf(buf + sizeof(buf) - 100, " ... <too long>\n");
fputs(buf, dbgf);
}
va_end(args);
}
void
log_init(char *f)
log_init(int debug)
{
FILE *new;
static struct log_config lc_stderr = { mask: ~0, terminal_flag: 1 };
init_list(&init_log_list);
current_log_list = &init_log_list;
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")))
if (!debug)
{
log(L_ERR "Unable to open log file `%s': %m", f);
return;
static struct log_config lc_syslog = { mask: ~0 };
openlog("bird", LOG_CONS | LOG_NDELAY, LOG_DAEMON);
add_tail(current_log_list, &lc_syslog.n);
}
if (logf && logf != stderr)
fclose(logf);
logf = new;
log_inited = 1;
#endif
lc_stderr.fh = stderr;
add_tail(current_log_list, &lc_stderr.n);
}
void
log_switch(list *l)
{
current_log_list = l;
}
void
@ -162,9 +176,9 @@ log_init_debug(char *f)
if (dbgf && dbgf != stderr)
fclose(dbgf);
if (!f)
dbgf = stderr;
else if (!*f)
dbgf = NULL;
else if (!*f)
dbgf = stderr;
else if (!(dbgf = fopen(f, "a")))
log(L_ERR "Error opening debug file `%s': %m", f);
}

25
sysdep/unix/main.c
View file

@ -67,6 +67,18 @@ cf_read(byte *dest, unsigned int len)
return l;
}
void
sysdep_preconfig(struct config *c)
{
init_list(&c->logfiles);
}
void
sysdep_commit(struct config *c)
{
log_switch(&c->logfiles);
}
static void
read_config(void)
{
@ -258,12 +270,13 @@ signal_init(void)
* Parsing of command-line arguments
*/
static char *opt_list = "c:d:";
static char *opt_list = "c:dD:";
static int debug_flag = 1; /* FIXME: Turn off for production use */
static void
usage(void)
{
fprintf(stderr, "Usage: bird [-c <config-file>] [-d <debug-file>]\n");
fprintf(stderr, "Usage: bird [-c <config-file>] [-d] [-D <debug-file>]\n");
exit(1);
}
@ -279,7 +292,11 @@ parse_args(int argc, char **argv)
config_name = optarg;
break;
case 'd':
debug_flag |= 1;
break;
case 'D':
log_init_debug(optarg);
debug_flag |= 2;
break;
default:
usage();
@ -300,10 +317,12 @@ main(int argc, char **argv)
dmalloc_debug(0x2f03d00);
#endif
log_init_debug(NULL);
setvbuf(stdout, NULL, _IONBF, 0); /* FIXME: Kill some day. */
setvbuf(stderr, NULL, _IONBF, 0);
parse_args(argc, argv);
if (debug_flag == 1)
log_init_debug("");
log_init(debug_flag);
log(L_INFO "Launching BIRD " BIRD_VERSION "...");

16
sysdep/unix/unix.h
View file

@ -9,6 +9,8 @@
#ifndef _BIRD_UNIX_H_
#define _BIRD_UNIX_H_
struct pool;
/* main.c */
void async_config(void);
@ -38,9 +40,23 @@ void io_loop(void);
void fill_in_sockaddr(sockaddr *sa, ip_addr a, unsigned port);
void get_sockaddr(sockaddr *sa, ip_addr *a, unsigned *port);
int sk_open_unix(struct birdsock *s, char *name);
void *tracked_fopen(struct pool *, char *name, char *mode);
/* krt.c bits */
void krt_io_init(void);
/* log.c */
void log_init(int debug);
void log_init_debug(char *); /* Initialize debug dump to given file (NULL=stderr, ""=off) */
void log_switch(struct list *);
struct log_config {
node n;
unsigned int mask; /* Classes to log */
void *fh; /* FILE to log to, NULL=syslog */
int terminal_flag;
};
#endif