From 6d236291b17f2d02e15d4c6f1c87bc7b3fc4e982 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 26 Sep 2005 01:34:43 +0000
Subject: * Implement POOF aka "Passive Observation of Failure"

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@632 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
---
 avahi-core/cache.h | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'avahi-core/cache.h')

diff --git a/avahi-core/cache.h b/avahi-core/cache.h
index fa723e9..bd1cd6c 100644
--- a/avahi-core/cache.h
+++ b/avahi-core/cache.h
@@ -35,7 +35,11 @@ typedef enum {
     AVAHI_CACHE_EXPIRY1,
     AVAHI_CACHE_EXPIRY2,
     AVAHI_CACHE_EXPIRY3,
-    AVAHI_CACHE_FINAL
+    AVAHI_CACHE_EXPIRY_FINAL,
+    AVAHI_CACHE_POOF,       /* Passive observation of failure */
+    AVAHI_CACHE_POOF_FINAL,
+    AVAHI_CACHE_GOODBYE_FINAL,
+    AVAHI_CACHE_REPLACE_FINAL
 } AvahiCacheEntryState;
 
 typedef struct AvahiCacheEntry AvahiCacheEntry;
@@ -52,6 +56,8 @@ struct AvahiCacheEntry {
     AvahiCacheEntryState state;
     AvahiTimeEvent *time_event;
 
+    AvahiAddress poof_address;
+
     AVAHI_LLIST_FIELDS(AvahiCacheEntry, by_key);
     AVAHI_LLIST_FIELDS(AvahiCacheEntry, entry);
 };
@@ -83,6 +89,13 @@ void* avahi_cache_walk(AvahiCache *c, AvahiKey *pattern, AvahiCacheWalkCallback
 
 int avahi_cache_entry_half_ttl(AvahiCache *c, AvahiCacheEntry *e);
 
+/** Start the "Passive observation of Failure" algorithm for all
+ * records of the specified key. The specified address is  */
+void avahi_cache_start_poof(AvahiCache *c, AvahiKey *key, const AvahiAddress *a);
+
+/* Stop a previously started POOF algorithm for a record. (Used for response suppresions records */    
+void avahi_cache_stop_poof(AvahiCache *c, AvahiRecord *record, const AvahiAddress *a);
+
 void avahi_cache_flush(AvahiCache *c);
 
 #endif
-- 
cgit