/* irc logs.. */
void ircd_log(int flags, char *format, ...)
{
static int last_log_file_warning = 0;
static char recursion_trap=0;
va_list ap;
ConfigItem_log *logs;
char buf[2048], timebuf[128];
struct stat fstats;
int written = 0, write_failure = 0;
int n;
/* Trap infinite recursions to avoid crash if log file is unavailable,
* this will also avoid calling ircd_log from anything else called
*/
if (recursion_trap == 1)
return;
recursion_trap = 1;
va_start(ap, format);
ircvsnprintf(buf, sizeof(buf), format, ap);
va_end(ap);
snprintf(timebuf, sizeof(timebuf), "[%s] - ", myctime(TStime()));
RunHook3(HOOKTYPE_LOG, flags, timebuf, buf);
strlcat(buf, "\n", sizeof(buf));
if (!loop.ircd_forked && (flags & LOG_ERROR))
fprintf(stderr, "%s", buf);
for (logs = conf_log; logs; logs = (ConfigItem_log *) logs->next) {
#ifdef HAVE_SYSLOG
if (!stricmp(logs->file, "syslog") && logs->flags & flags) {
syslog(LOG_INFO, "%s", buf);
written++;
continue;
}
#endif
if (logs->flags & flags)
{
if (stat(logs->file, &fstats) != -1 && logs->maxsize && fstats.st_size >= logs->maxsize)
{
char oldlog[512];
if (logs->logfd != -1)
{
write(logs->logfd, "Max file size reached, starting new log file\n", 45);
fd_close(logs->logfd);
}
/* Rename log file to xxxxxx.old */
snprintf(oldlog, sizeof(oldlog), "%s.old", logs->file);
rename(logs->file, oldlog);
logs->logfd = fd_fileopen(logs->file, O_CREAT|O_WRONLY|O_TRUNC);
if (logs->logfd == -1)
continue;
}
else if (logs->logfd == -1) {
#ifndef _WIN32
logs->logfd = fd_fileopen(logs->file, O_CREAT|O_APPEND|O_WRONLY);
#else
logs->logfd = fd_fileopen(logs->file, O_CREAT|O_APPEND|O_WRONLY);
#endif
if (logs->logfd == -1)
{
if (!loop.ircd_booted)
{
config_status("WARNING: Unable to write to '%s': %s", logs->file, strerror(ERRNO));
} else {
if (last_log_file_warning + 300 < TStime())
{
config_status("WARNING: Unable to write to '%s': %s. This warning will not re-appear for at least 5 minutes.", logs->file, strerror(ERRNO));
last_log_file_warning = TStime();
}
}
write_failure = 1;
continue;
}
}
/* this shouldn't happen, but lets not waste unnecessary syscalls... */
if (logs->logfd == -1)
continue;
write(logs->logfd, timebuf, strlen(timebuf));
n = write(logs->logfd, buf, strlen(buf));
if (n == strlen(buf))
{
written++;
}
else
{
if (!loop.ircd_booted)
{
config_status("WARNING: Unable to write to '%s': %s", logs->file, strerror(ERRNO));
} else {
if (last_log_file_warning + 300 < TStime())
{
config_status("WARNING: Unable to write to '%s': %s. This warning will not re-appear for at least 5 minutes.", logs->file, strerror(ERRNO));
last_log_file_warning = TStime();
}
}
write_failure = 1;
}
#ifndef _WIN32
fsync(logs->logfd);
#endif
}
}
recursion_trap = 0;
}
/* irc logs.. */
void ircd_log(int flags, char *format, ...)
{
static int last_log_file_warning = 0;
va_list ap;
ConfigItem_log *logs;
char buf[2048], timebuf[128];
struct stat fstats;
int written = 0, write_failure = 0;
va_start(ap, format);
ircvsnprintf(buf, sizeof(buf), format, ap);
va_end(ap);
snprintf(timebuf, sizeof(timebuf), "[%s] - ", myctime(TStime()));
RunHook3(HOOKTYPE_LOG, flags, timebuf, buf);
strlcat(buf, "\n", sizeof(buf));
for (logs = conf_log; logs; logs = (ConfigItem_log *) logs->next) {
#ifdef HAVE_SYSLOG
if (!stricmp(logs->file, "syslog") && logs->flags & flags) {
syslog(LOG_INFO, "%s", buf);
written++;
continue;
}
#endif
if (logs->flags & flags)
{
if (stat(logs->file, &fstats) != -1 && logs->maxsize && fstats.st_size >= logs->maxsize)
{
if (logs->logfd != -1)
fd_close(logs->logfd);
logs->logfd = fd_fileopen(logs->file, O_CREAT|O_WRONLY|O_TRUNC);
if (logs->logfd == -1)
continue;
if (write(logs->logfd, "Max file size reached, starting new log file\n", 45) < 0)
{
write_failure = 1;
continue;
}
}
else if (logs->logfd == -1) {
logs->logfd = fd_fileopen(logs->file, O_CREAT|O_APPEND|O_WRONLY);
if (logs->logfd == -1)
{
if (!loop.ircd_booted)
{
config_status("WARNING: Unable to write to '%s': %s", logs->file, strerror(ERRNO));
}
else
{
if (last_log_file_warning + 300 < TStime())
{
config_status("WARNING: Unable to write to '%s': %s. This warning will not re-appear for at least 5 minutes.", logs->file, strerror(ERRNO));
last_log_file_warning = TStime();
}
}
write_failure = 1;
continue;
}
}
/* this shouldn't happen, but lets not waste unnecessary syscalls... */
if (logs->logfd == -1)
continue;
if (write(logs->logfd, timebuf, strlen(timebuf)) < 0)
{
if (!loop.ircd_booted)
{
config_status("WARNING: Unable to write to '%s': %s", logs->file, strerror(ERRNO));
}
else
{
if (last_log_file_warning + 300 < TStime())
{
config_status("WARNING: Unable to write to '%s': %s. This warning will not re-appear for at least 5 minutes.", logs->file, strerror(ERRNO));
last_log_file_warning = TStime();
}
}
write_failure = 1;
}
if (write(logs->logfd, buf, strlen(buf)) == strlen(buf))
{
written++;
}
else
{
if (!loop.ircd_booted)
{
config_status("WARNING: Unable to write to '%s': %s", logs->file, strerror(ERRNO));
}
else
{
if (last_log_file_warning + 300 < TStime())
{
config_status("WARNING: Unable to write to '%s': %s. This warning will not re-appear for at least 5 minutes.", logs->file, strerror(ERRNO));
last_log_file_warning = TStime();
}
}
write_failure = 1;
}
fsync(logs->logfd);
}
}
/* If nothing got written at all AND we had a write failure AND we are booting, then exit.
* Note that we can't just fail when nothing got written, as we might have been called for
* 'tkl' for example, which might not be in our log block.
*/
if (!written && write_failure && !loop.ircd_booted)
{
config_status("ERROR: Unable to write to any log file. Please check your log { } blocks and file permissions!");
exit(9);
}
}
