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/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include "knot/other/debug.h"
#include "knot/conf/logconf.h"
#include "knot/conf/conf.h"
#include "common/log.h"
#include "common/lists.h"
#include "knot/knot.h"
int log_conf_hook(const struct conf_t *conf, void *data)
{
// Data not used
int ret = 0;
UNUSED(data);
// Check if log declaration exists, otherwise ignore
if (conf->logs_count < 1) {
return KNOT_EINVAL;
}
// Find maximum log facility id
node *n = 0; size_t files = 0;
WALK_LIST(n, conf->logs) {
conf_log_t* log = (conf_log_t*)n;
if (log->type == LOGT_FILE) {
++files;
}
}
// Initialize logsystem
log_truncate();
if ((ret = log_setup(files)) < 0) {
return ret;
}
// Setup logs
int loaded_sections = 0;
n = 0;
WALK_LIST(n, conf->logs) {
// Calculate offset
conf_log_t* log = (conf_log_t*)n;
int facility = log->type;
if (facility == LOGT_FILE) {
facility = log_open_file(log->file);
if (facility < 0) {
log_server_error("Failed to open "
"logfile '%s'.\n", log->file);
continue;
}
}
// Auto-assign fatal errors to syslog or stderr
if (facility <= LOGT_STDERR) {
int mask = LOG_MASK(LOG_FATAL);
log_levels_add(facility, LOG_ANY, mask);
loaded_sections |= 1 << facility;
}
// Setup sources mapping
node *m = 0;
WALK_LIST(m, log->map) {
// Assign mapped level
conf_log_map_t *map = (conf_log_map_t*)m;
log_levels_add(facility, map->source, map->prios);
}
}
// Load defaults for syslog or stderr
int bmask = LOG_MASK(LOG_ERR)|LOG_MASK(LOG_FATAL);
if (!(loaded_sections & (1 << LOGT_SYSLOG))) {
log_levels_set(LOGT_SYSLOG, LOG_ANY, bmask);
}
if (!(loaded_sections & (1 << LOGT_STDERR))) {
log_levels_set(LOGT_STDERR, LOG_ANY, bmask);
}
return KNOT_EOK;
}
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