X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fcache.c;h=4ba88b5f62ff17b7ce88afe9a160221075a72a77;hb=a2fd5b8ed02be912fcb71cdec1c9233692d6c615;hp=c26b6bb9d81225e592faf0b370b7cd877eb21a79;hpb=da75d1898a45c106a994cd87f8da5b6bcb2b6450;p=catta

diff --git a/avahi-core/cache.c b/avahi-core/cache.c
index c26b6bb..4ba88b5 100644
--- a/avahi-core/cache.c
+++ b/avahi-core/cache.c
@@ -25,6 +25,7 @@
 
 #include <string.h>
 #include <stdlib.h>
+#include <time.h>
 
 #include <avahi-common/timeval.h>
 #include <avahi-common/malloc.h>
@@ -86,6 +87,8 @@ AvahiCache *avahi_cache_new(AvahiServer *server, AvahiInterface *iface) {
 
     AVAHI_LLIST_HEAD_INIT(AvahiCacheEntry, c->entries);
     c->n_entries = 0;
+
+    c->last_rand_timestamp = 0;
     
     return c;
 }
@@ -235,6 +238,7 @@ static void update_time_event(AvahiCache *c, AvahiCacheEntry *e) {
 
 static void next_expiry(AvahiCache *c, AvahiCacheEntry *e, unsigned percent) {
     AvahiUsec usec, left, right;
+    time_t now;
     
     assert(c);
     assert(e);
@@ -245,7 +249,14 @@ static void next_expiry(AvahiCache *c, AvahiCacheEntry *e, unsigned percent) {
     left = usec * percent;
     right = usec * (percent+2); /* 2% jitter */
 
-    usec = left + (AvahiUsec) ((double) (right-left) * rand() / (RAND_MAX+1.0));
+    now = time(NULL);
+
+    if (now >= c->last_rand_timestamp + 10) {
+        c->last_rand = rand();
+        c->last_rand_timestamp = now;
+    }
+
+    usec = left + (AvahiUsec) ((double) (right-left) * c->last_rand / (RAND_MAX+1.0));
     
     e->expiry = e->timestamp;
     avahi_timeval_add(&e->expiry, usec);
@@ -469,7 +480,7 @@ void avahi_cache_start_poof(AvahiCache *c, AvahiKey *key, const AvahiAddress *a)
     assert(c);
     assert(key);
 
-    avahi_cache_walk(c, key, start_poof_callback, a);
+    avahi_cache_walk(c, key, start_poof_callback, (void*) a);
 }
 
 void avahi_cache_stop_poof(AvahiCache *c, AvahiRecord *record, const AvahiAddress *a) {