4 This file is part of avahi.
6 avahi is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 avahi is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
14 Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with avahi; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 #include <avahi-common/llist.h>
25 #include <avahi-common/malloc.h>
30 typedef struct AvahiRecordListItem AvahiRecordListItem;
32 struct AvahiRecordListItem {
38 AVAHI_LLIST_FIELDS(AvahiRecordListItem, items);
42 struct AvahiRecordList {
43 AVAHI_LLIST_HEAD(AvahiRecordListItem, read);
44 AVAHI_LLIST_HEAD(AvahiRecordListItem, unread);
47 AvahiRecordList *avahi_record_list_new(void) {
50 if (!(l = avahi_new(AvahiRecordList, 1))) {
51 avahi_log_error("avahi_new() failed.");
55 AVAHI_LLIST_HEAD_INIT(AvahiRecordListItem, l->read);
56 AVAHI_LLIST_HEAD_INIT(AvahiRecordListItem, l->unread);
60 void avahi_record_list_free(AvahiRecordList *l) {
63 avahi_record_list_flush(l);
67 static void item_free(AvahiRecordList *l, AvahiRecordListItem *i) {
72 AVAHI_LLIST_REMOVE(AvahiRecordListItem, items, l->read, i);
74 AVAHI_LLIST_REMOVE(AvahiRecordListItem, items, l->unread, i);
76 avahi_record_unref(i->record);
80 void avahi_record_list_flush(AvahiRecordList *l) {
84 item_free(l, l->read);
86 item_free(l, l->unread);
89 AvahiRecord* avahi_record_list_next(AvahiRecordList *l, int *flush_cache, int *unicast_response, int *auxiliary) {
91 AvahiRecordListItem *i;
98 r = avahi_record_ref(i->record);
100 *unicast_response = i->unicast_response;
102 *flush_cache = i->flush_cache;
104 *auxiliary = i->auxiliary;
106 AVAHI_LLIST_REMOVE(AvahiRecordListItem, items, l->unread, i);
107 AVAHI_LLIST_PREPEND(AvahiRecordListItem, items, l->read, i);
114 static AvahiRecordListItem *get(AvahiRecordList *l, AvahiRecord *r) {
115 AvahiRecordListItem *i;
120 for (i = l->read; i; i = i->items_next)
121 if (avahi_record_equal_no_ttl(i->record, r))
124 for (i = l->unread; i; i = i->items_next)
125 if (avahi_record_equal_no_ttl(i->record, r))
131 void avahi_record_list_push(AvahiRecordList *l, AvahiRecord *r, int flush_cache, int unicast_response, int auxiliary) {
132 AvahiRecordListItem *i;
140 if (!(i = avahi_new(AvahiRecordListItem, 1))) {
141 avahi_log_error("avahi_new() failed.");
145 i->unicast_response = unicast_response;
146 i->flush_cache = flush_cache;
147 i->auxiliary = auxiliary;
148 i->record = avahi_record_ref(r);
151 AVAHI_LLIST_PREPEND(AvahiRecordListItem, items, l->unread, i);
154 void avahi_record_list_drop(AvahiRecordList *l, AvahiRecord *r) {
155 AvahiRecordListItem *i;
160 if (!(i = get(l, r)))
166 int avahi_record_list_is_empty(AvahiRecordList *l) {
169 return !l->unread && !l->read;