7 This file is part of avahi.
9 avahi is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as
11 published by the Free Software Foundation; either version 2.1 of the
12 License, or (at your option) any later version.
14 avahi is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
17 Public License for more details.
19 You should have received a copy of the GNU Lesser General Public
20 License along with avahi; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
25 #include <avahi-common/llist.h>
26 #include <avahi-common/watch.h>
28 /** A locally registered DNS resource record */
29 typedef struct AvahiEntry AvahiEntry;
34 #include "timeeventq.h"
41 #define AVAHI_MAX_LEGACY_UNICAST_REFLECT_SLOTS 100
43 typedef struct AvahiLegacyUnicastReflectSlot AvahiLegacyUnicastReflectSlot;
45 struct AvahiLegacyUnicastReflectSlot {
48 uint16_t id, original_id;
52 struct timeval elapse_time;
53 AvahiTimeEvent *time_event;
58 AvahiSEntryGroup *group;
62 AvahiEntryFlags flags;
64 AvahiIfIndex interface;
65 AvahiProtocol protocol;
67 AVAHI_LLIST_FIELDS(AvahiEntry, entries);
68 AVAHI_LLIST_FIELDS(AvahiEntry, by_key);
69 AVAHI_LLIST_FIELDS(AvahiEntry, by_group);
71 AVAHI_LLIST_HEAD(AvahiAnnouncement, announcements);
74 struct AvahiSEntryGroup {
78 AvahiEntryGroupState state;
80 AvahiSEntryGroupCallback callback;
84 unsigned n_register_try;
85 struct timeval register_time;
86 AvahiTimeEvent *register_time_event;
88 AVAHI_LLIST_FIELDS(AvahiSEntryGroup, groups);
89 AVAHI_LLIST_HEAD(AvahiEntry, entries);
93 const AvahiPoll *poll_api;
95 AvahiInterfaceMonitor *monitor;
96 AvahiServerConfig config;
98 AVAHI_LLIST_HEAD(AvahiEntry, entries);
99 AvahiHashmap *entries_by_key;
101 AVAHI_LLIST_HEAD(AvahiSEntryGroup, groups);
103 AVAHI_LLIST_HEAD(AvahiSRecordBrowser, record_browsers);
104 AvahiHashmap *record_browser_hashmap;
105 AVAHI_LLIST_HEAD(AvahiSHostNameResolver, host_name_resolvers);
106 AVAHI_LLIST_HEAD(AvahiSAddressResolver, address_resolvers);
107 AVAHI_LLIST_HEAD(AvahiSDomainBrowser, domain_browsers);
108 AVAHI_LLIST_HEAD(AvahiSServiceTypeBrowser, service_type_browsers);
109 AVAHI_LLIST_HEAD(AvahiSServiceBrowser, service_browsers);
110 AVAHI_LLIST_HEAD(AvahiSServiceResolver, service_resolvers);
111 AVAHI_LLIST_HEAD(AvahiSDNSServerBrowser, dns_server_browsers);
113 int need_entry_cleanup, need_group_cleanup, need_browser_cleanup;
115 AvahiTimeEventQueue *time_event_queue;
117 char *host_name, *host_name_fqdn, *domain_name;
119 int fd_ipv4, fd_ipv6,
120 /* The following two sockets two are used for reflection only */
121 fd_legacy_unicast_ipv4, fd_legacy_unicast_ipv6;
123 AvahiWatch *watch_ipv4, *watch_ipv6,
124 *watch_legacy_unicast_ipv4, *watch_legacy_unicast_ipv6;
126 AvahiServerState state;
127 AvahiServerCallback callback;
130 AvahiSEntryGroup *hinfo_entry_group;
131 AvahiSEntryGroup *browse_domain_entry_group;
132 unsigned n_host_rr_pending;
134 /* Used for assembling responses */
135 AvahiRecordList *record_list;
137 /* Used for reflection of legacy unicast packets */
138 AvahiLegacyUnicastReflectSlot **legacy_unicast_reflect_slots;
139 uint16_t legacy_unicast_reflect_id;
143 uint32_t local_service_cookie;
146 int avahi_server_entry_match_interface(AvahiEntry *e, AvahiInterface *i);
148 void avahi_server_post_query(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, AvahiKey *key);
150 void avahi_server_prepare_response(AvahiServer *s, AvahiInterface *i, AvahiEntry *e, int unicast_response, int auxiliary);
151 void avahi_server_prepare_matching_responses(AvahiServer *s, AvahiInterface *i, AvahiKey *k, int unicast_response);
152 void avahi_server_generate_response(AvahiServer *s, AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, uint16_t port, int legacy_unicast, int is_probe);
154 void avahi_s_entry_group_change_state(AvahiSEntryGroup *g, AvahiEntryGroupState state);
156 int avahi_entry_is_commited(AvahiEntry *e);
158 void avahi_server_enumerate_aux_records(AvahiServer *s, AvahiInterface *i, AvahiRecord *r, void (*callback)(AvahiServer *s, AvahiRecord *r, int flush_cache, void* userdata), void* userdata);
160 void avahi_host_rr_entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void *userdata);
162 void avahi_server_decrease_host_rr_pending(AvahiServer *s);
163 void avahi_server_increase_host_rr_pending(AvahiServer *s);
165 int avahi_server_set_errno(AvahiServer *s, int error);