/* write something to the log file and syslog facility */
static void write_to_all_logs_with_timestamp(char *buffer, unsigned long data_type, time_t *timestamp) {
/* write to syslog */
write_to_syslog(buffer, data_type);
/* write to main log */
write_to_log(buffer, data_type, timestamp);
}
/* write something to the log file and syslog facility */
static void write_to_all_logs_with_timestamp_with_host_service(char *buffer, unsigned long data_type, time_t *timestamp, host *hst, service *svc) {
/* write to syslog */
write_to_syslog(buffer, data_type);
/* write to main log */
write_to_log_with_host_service(buffer, data_type, timestamp, hst, svc);
}
/* write something to the log file and syslog facility */
int write_to_all_logs(char *buffer, unsigned long data_type) {
/* write to syslog */
write_to_syslog(buffer, data_type);
/* write to main log */
write_to_log(buffer, data_type, NULL);
return OK;
}
int write_to_all_logs_with_host_service(char *buffer, unsigned long data_type, host *hst, service *svc) {
/* write to syslog */
write_to_syslog(buffer, data_type);
/* write to main log */
write_to_log_with_host_service(buffer, data_type, NULL, hst, svc);
return OK;
}
void async_vsyslog(struct async_syslog_state* state, int priority, const char *format, va_list ap) {
if (!(state->mask & LOG_MASK(LOG_PRI(priority))) || (priority &~ (LOG_PRIMASK|LOG_FACMASK)))
return;
if (state->buffer_get == state->buffer_put && !state->buffers_empty)
return;
connect_to_syslog(state);
add_to_log_buffer(state, priority, format, ap);
write_to_syslog(state);
}
static int log_dispatch(
int level,
int error,
const char *file,
int line,
const char *func,
const char *object_field,
const char *object,
char *buffer) {
assert(buffer);
if (log_target == LOG_TARGET_NULL)
return -error;
/* Patch in LOG_DAEMON facility if necessary */
if ((level & LOG_FACMASK) == 0)
level = log_facility | LOG_PRI(level);
if (error < 0)
error = -error;
do {
char *e;
int k = 0;
buffer += strspn(buffer, NEWLINE);
if (buffer[0] == 0)
break;
if ((e = strpbrk(buffer, NEWLINE)))
*(e++) = 0;
if (log_target == LOG_TARGET_AUTO ||
log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
log_target == LOG_TARGET_JOURNAL) {
k = write_to_journal(level, error, file, line, func, object_field, object, buffer);
if (k < 0) {
if (k != -EAGAIN)
log_close_journal();
log_open_kmsg();
}
}
if (log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
log_target == LOG_TARGET_SYSLOG) {
k = write_to_syslog(level, error, file, line, func, object_field, object, buffer);
if (k < 0) {
if (k != -EAGAIN)
log_close_syslog();
log_open_kmsg();
}
}
if (k <= 0 &&
(log_target == LOG_TARGET_AUTO ||
log_target == LOG_TARGET_SAFE ||
log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
log_target == LOG_TARGET_KMSG)) {
k = write_to_kmsg(level, error, file, line, func, object_field, object, buffer);
if (k < 0) {
log_close_kmsg();
log_open_console();
}
}
if (k <= 0)
(void) write_to_console(level, error, file, line, func, object_field, object, buffer);
buffer = e;
} while (buffer);
return -error;
}
static void event_callback(evutil_socket_t fd, short what, void *data) {
struct async_syslog_state* state = data;
state->write_ready = 1;
write_to_syslog(state);
}