1 files changed, 46 insertions, 0 deletions
diff --git a/src/knot/events/handlers/freeze_thaw.c b/src/knot/events/handlers/freeze_thaw.c
new file mode 100644
index 0000000..dfa867f
--- /dev/null
+++ b/src/knot/events/handlers/freeze_thaw.c
@@ -0,0 +1,46 @@
+/*  Copyright (C) 2021 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "knot/common/log.h"
+#include "knot/conf/conf.h"
+#include "knot/events/events.h"
+#include "knot/zone/zone.h"
+
+int event_ufreeze(conf_t *conf, zone_t *zone)
+{
+	assert(zone);
+
+	pthread_mutex_lock(&zone->events.mx);
+	zone->events.ufrozen = true;
+	pthread_mutex_unlock(&zone->events.mx);
+
+	log_zone_info(zone->name, "zone updates frozen");
+
+	return KNOT_EOK;
+}
+
+int event_uthaw(conf_t *conf, zone_t *zone)
+{
+	assert(zone);
+
+	pthread_mutex_lock(&zone->events.mx);
+	zone->events.ufrozen = false;
+	pthread_mutex_unlock(&zone->events.mx);
+
+	log_zone_info(zone->name, "zone updates unfrozen");
+
+	return KNOT_EOK;
+}