conntrackd: reduce the number of gettimeofday() syscalls

This patch reduces the number of gettimeofday syscalls by caching
the current time in a variable at the beginning of the main loop.
Based on a suggestion from Vincent Jardin.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/cache.c b/src/cache.c
index ccdce86..74c5c4b 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -250,7 +250,7 @@ static int __add(struct cache *c, struct cache_object *obj, int id)
 		c->extra->add(obj, ((char *) obj) + c->extra_offset);
 
 	c->stats.active++;
-	obj->lifetime = obj->lastupdate = time(NULL);
+	obj->lifetime = obj->lastupdate = time_cached();
 	obj->status = C_OBJ_NEW;
 	obj->refcnt++;
 	return 0;
@@ -288,7 +288,7 @@ void cache_update(struct cache *c, struct cache_object *obj, int id,
 		c->extra->update(obj, ((char *) obj) + c->extra_offset);
 
 	c->stats.upd_ok++;
-	obj->lastupdate = time(NULL);
+	obj->lastupdate = time_cached();
 	obj->status = C_OBJ_ALIVE;
 }