1 files changed, 72 insertions, 0 deletions
diff --git a/src/cache_timer.c b/src/cache_timer.c
new file mode 100644
index 0000000..213b59a
--- /dev/null
+++ b/src/cache_timer.c
@@ -0,0 +1,72 @@
+/*
+ * (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 <stdio.h>
+#include "conntrackd.h"
+#include "us-conntrack.h"
+#include "cache.h"
+#include "alarm.h"
+
+static void timeout(struct alarm_list *a, void *data)
+{
+	struct us_conntrack *u = data;
+
+	debug_ct(u->ct, "expired timeout");
+	__cache_del(u->cache, u->ct);
+}
+
+static void timer_add(struct us_conntrack *u, void *data)
+{
+	struct alarm_list *alarm = data;
+
+	init_alarm(alarm);
+	set_alarm_expiration(alarm, CONFIG(cache_timeout));
+	set_alarm_data(alarm, u);
+	set_alarm_function(alarm, timeout);
+	add_alarm(alarm);
+}
+
+static void timer_update(struct us_conntrack *u, void *data)
+{
+	struct alarm_list *alarm = data;
+	mod_alarm(alarm, CONFIG(cache_timeout));
+}
+
+static void timer_destroy(struct us_conntrack *u, void *data)
+{
+	struct alarm_list *alarm = data;
+	del_alarm(alarm);
+}
+
+static int timer_dump(struct us_conntrack *u, void *data, char *buf, int type)
+{
+ 	struct alarm_list *alarm = data;
+
+	if (type == NFCT_O_XML)
+		return 0;
+
+	return sprintf(buf, " [expires in %ds]", alarm->expires);
+}
+
+struct cache_feature timer_feature = {
+	.size		= sizeof(struct alarm_list),
+	.add		= timer_add,
+	.update		= timer_update,
+	.destroy	= timer_destroy,
+	.dump		= timer_dump
+};