diff options
author | Lennart Poettering <lennart@poettering.net> | 2005-06-03 20:27:00 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2005-06-03 20:27:00 +0000 |
commit | b6820898d317c29a31f97018ede6da5195d16bfb (patch) | |
tree | 0193a8086c95c03abc6d176e62bb903e473247e0 /avahi-core/cache.c | |
parent | 3184280a20d54b8f468d0b8d6ff0980b74610ec5 (diff) |
* use FIONREAD to minimize allocated buffer size when reading incoming packets
* enforce a cache size limit
git-svn-id: file:///home/lennart/svn/public/avahi/trunk@96 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
Diffstat (limited to 'avahi-core/cache.c')
-rw-r--r-- | avahi-core/cache.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/avahi-core/cache.c b/avahi-core/cache.c index 433f5a8..8f9ffaf 100644 --- a/avahi-core/cache.c +++ b/avahi-core/cache.c @@ -28,6 +28,8 @@ #include "util.h" #include "cache.h" +#define AVAHI_MAX_CACHE_ENTRIES 200 + static void remove_entry(AvahiCache *c, AvahiCacheEntry *e) { AvahiCacheEntry *t; @@ -55,6 +57,8 @@ static void remove_entry(AvahiCache *c, AvahiCacheEntry *e) { avahi_record_unref(e->record); g_free(e); + + g_assert(c->n_entries-- >= 1); } AvahiCache *avahi_cache_new(AvahiServer *server, AvahiInterface *iface) { @@ -67,6 +71,7 @@ AvahiCache *avahi_cache_new(AvahiServer *server, AvahiInterface *iface) { c->hash_table = g_hash_table_new((GHashFunc) avahi_key_hash, (GEqualFunc) avahi_key_equal); AVAHI_LLIST_HEAD_INIT(AvahiCacheEntry, c->entries); + c->n_entries = 0; return c; } @@ -76,6 +81,7 @@ void avahi_cache_free(AvahiCache *c) { while (c->entries) remove_entry(c, c->entries); + g_assert(c->n_entries == 0); g_hash_table_destroy(c->hash_table); @@ -293,6 +299,11 @@ void avahi_cache_update(AvahiCache *c, AvahiRecord *r, gboolean cache_flush, con /* No entry found, therefore we create a new one */ /* g_message("couldn't find matching cache entry"); */ + + if (c->n_entries >= AVAHI_MAX_CACHE_ENTRIES) + return; + + c->n_entries++; e = g_new(AvahiCacheEntry, 1); e->cache = c; |