* add auxiliary records to packet

* reeimplement known answer suppression and add it for unicast packets
* fix a valist bug when adding services to a server


git-svn-id: file:///home/lennart/svn/public/avahi/trunk@68 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

1 files changed, 117 insertions, 0 deletions

diff --git a/avahi-core/rrlist.c b/avahi-core/rrlist.c
new file mode 100644
index 0000000..429f142
--- /dev/null
+++ b/avahi-core/rrlist.c
@@ -0,0 +1,117 @@
+/* $Id$ */
+
+/***
+  This file is part of avahi.
+ 
+  avahi is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+ 
+  avahi 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 Lesser General
+  Public License for more details.
+ 
+  You should have received a copy of the GNU Lesser General Public
+  License along with avahi; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#include "rrlist.h"
+#include "llist.h"
+
+typedef struct AvahiRecordListItem AvahiRecordListItem;
+
+struct AvahiRecordListItem {
+    AvahiRecord *record;
+    gboolean unicast_response;
+    gboolean flush_cache;
+    AVAHI_LLIST_FIELDS(AvahiRecordListItem, items);
+};
+
+
+struct AvahiRecordList {
+    AVAHI_LLIST_HEAD(AvahiRecordListItem, items);
+};
+
+AvahiRecordList *avahi_record_list_new(void) {
+    AvahiRecordList *l = g_new(AvahiRecordList, 1);
+    AVAHI_LLIST_HEAD_INIT(AvahiRecordListItem, l->items);
+    return l;
+}
+
+void avahi_record_list_free(AvahiRecordList *l) {
+    g_assert(l);
+
+    avahi_record_list_flush(l);
+    g_free(l);
+}
+
+static void item_free(AvahiRecordList *l, AvahiRecordListItem *i) {
+    g_assert(i);
+
+    AVAHI_LLIST_REMOVE(AvahiRecordListItem, items, l->items, i);
+    avahi_record_unref(i->record);
+    g_free(i);
+}
+
+void avahi_record_list_flush(AvahiRecordList *l) {
+    g_assert(l);
+    
+    while (l->items)
+        item_free(l, l->items);
+}
+
+AvahiRecord* avahi_record_list_pop(AvahiRecordList *l, gboolean *flush_cache, gboolean *unicast_response) {
+    AvahiRecord *r;
+
+    if (!l->items)
+        return NULL;
+    
+    r = avahi_record_ref(l->items->record);
+    if (unicast_response) *unicast_response = l->items->unicast_response;
+    if (flush_cache) *flush_cache = l->items->flush_cache;
+
+    item_free(l, l->items);
+    
+    return r;
+}
+
+void avahi_record_list_push(AvahiRecordList *l, AvahiRecord *r, gboolean flush_cache, gboolean unicast_response) {
+    AvahiRecordListItem *i;
+        
+    g_assert(l);
+    g_assert(r);
+    
+    for (i = l->items; i; i = i->items_next)
+        if (avahi_record_equal_no_ttl(i->record, r))
+            return;
+
+    i = g_new(AvahiRecordListItem, 1);
+    i->unicast_response = unicast_response;
+    i->flush_cache = flush_cache;
+    i->record = avahi_record_ref(r);
+    AVAHI_LLIST_PREPEND(AvahiRecordListItem, items, l->items, i);
+}
+
+void avahi_record_list_drop(AvahiRecordList *l, AvahiRecord *r) {
+    AvahiRecordListItem *i;
+
+    g_assert(l);
+    g_assert(r);
+
+    for (i = l->items; i; i = i->items_next)
+        if (avahi_record_equal_no_ttl(i->record, r)) {
+            item_free(l, i);
+            break;
+        }
+}
+
+
+gboolean avahi_record_list_empty(AvahiRecordList *l) {
+    g_assert(l);
+    
+    return !l->items;
+}