1 files changed, 75 insertions, 0 deletions
diff --git a/src/cache_timer.c b/src/cache_timer.c
new file mode 100644
index 0000000..5881236
--- /dev/null
+++ b/src/cache_timer.c
@@ -0,0 +1,75 @@
+/*
+ * (C) 2006 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * 
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "cache.h"
+#include "conntrackd.h"
+#include "alarm.h"
+
+#include <stdio.h>
+
+static void timeout(struct alarm_block *a, void *data)
+{
+	struct cache_object *obj = data;
+
+	cache_del(obj->cache, obj);
+	cache_object_free(obj);
+}
+
+static void timer_add(struct cache_object *obj, void *data)
+{
+	struct alarm_block *a = data;
+
+	init_alarm(a, obj, timeout);
+	add_alarm(a, CONFIG(cache_timeout), 0);
+}
+
+static void timer_update(struct cache_object *obj, void *data)
+{
+	struct alarm_block *a = data;
+	add_alarm(a, CONFIG(cache_timeout), 0);
+}
+
+static void timer_destroy(struct cache_object *obj, void *data)
+{
+	struct alarm_block *a = data;
+	del_alarm(a);
+}
+
+static int timer_dump(struct cache_object *obj, void *data, char *buf, int type)
+{
+	struct timeval tv, tmp;
+ 	struct alarm_block *a = data;
+
+	if (type == NFCT_O_XML)
+		return 0;
+
+	if (!alarm_pending(a))
+		return 0;
+
+	gettimeofday(&tv, NULL);
+	timersub(&a->tv, &tv, &tmp);
+	return sprintf(buf, " [expires in %lds]", tmp.tv_sec);
+}
+
+struct cache_feature timer_feature = {
+	.size		= sizeof(struct alarm_block),
+	.add		= timer_add,
+	.update		= timer_update,
+	.destroy	= timer_destroy,
+	.dump		= timer_dump
+};