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"
40 #include "wide-area.h"
41 #include "multicast-lookup.h"
43 #define AVAHI_MAX_LEGACY_UNICAST_REFLECT_SLOTS 100
45 typedef struct AvahiLegacyUnicastReflectSlot AvahiLegacyUnicastReflectSlot;
47 struct AvahiLegacyUnicastReflectSlot {
50 uint16_t id, original_id;
54 struct timeval elapse_time;
55 AvahiTimeEvent *time_event;
60 AvahiSEntryGroup *group;
64 AvahiEntryFlags flags;
66 AvahiIfIndex interface;
67 AvahiProtocol protocol;
69 AVAHI_LLIST_FIELDS(AvahiEntry, entries);
70 AVAHI_LLIST_FIELDS(AvahiEntry, by_key);
71 AVAHI_LLIST_FIELDS(AvahiEntry, by_group);
73 AVAHI_LLIST_HEAD(AvahiAnnouncement, announcements);
76 struct AvahiSEntryGroup {
80 AvahiEntryGroupState state;
82 AvahiSEntryGroupCallback callback;
86 unsigned n_register_try;
87 struct timeval register_time;
88 AvahiTimeEvent *register_time_event;
90 AVAHI_LLIST_FIELDS(AvahiSEntryGroup, groups);
91 AVAHI_LLIST_HEAD(AvahiEntry, entries);
95 const AvahiPoll *poll_api;
97 AvahiInterfaceMonitor *monitor;
98 AvahiServerConfig config;
100 AVAHI_LLIST_HEAD(AvahiEntry, entries);
101 AvahiHashmap *entries_by_key;
103 AVAHI_LLIST_HEAD(AvahiSEntryGroup, groups);
105 AVAHI_LLIST_HEAD(AvahiSRecordBrowser, record_browsers);
106 AvahiHashmap *record_browser_hashmap;
107 AVAHI_LLIST_HEAD(AvahiSHostNameResolver, host_name_resolvers);
108 AVAHI_LLIST_HEAD(AvahiSAddressResolver, address_resolvers);
109 AVAHI_LLIST_HEAD(AvahiSDomainBrowser, domain_browsers);
110 AVAHI_LLIST_HEAD(AvahiSServiceTypeBrowser, service_type_browsers);
111 AVAHI_LLIST_HEAD(AvahiSServiceBrowser, service_browsers);
112 AVAHI_LLIST_HEAD(AvahiSServiceResolver, service_resolvers);
113 AVAHI_LLIST_HEAD(AvahiSDNSServerBrowser, dns_server_browsers);
115 int need_entry_cleanup, need_group_cleanup, need_browser_cleanup;
117 AvahiTimeEventQueue *time_event_queue;
119 char *host_name, *host_name_fqdn, *domain_name;
121 int fd_ipv4, fd_ipv6,
122 /* The following two sockets two are used for reflection only */
123 fd_legacy_unicast_ipv4, fd_legacy_unicast_ipv6;
125 AvahiWatch *watch_ipv4, *watch_ipv6,
126 *watch_legacy_unicast_ipv4, *watch_legacy_unicast_ipv6;
128 AvahiServerState state;
129 AvahiServerCallback callback;
132 AvahiSEntryGroup *hinfo_entry_group;
133 AvahiSEntryGroup *browse_domain_entry_group;
134 unsigned n_host_rr_pending;
136 /* Used for assembling responses */
137 AvahiRecordList *record_list;
139 /* Used for reflection of legacy unicast packets */
140 AvahiLegacyUnicastReflectSlot **legacy_unicast_reflect_slots;
141 uint16_t legacy_unicast_reflect_id;
143 /* The last error code */
146 /* The local service cookie */
147 uint32_t local_service_cookie;
149 AvahiMulticastLookupEngine *multicast_lookup_engine;
150 AvahiWideAreaLookupEngine *wide_area_lookup_engine;
153 int avahi_server_entry_match_interface(AvahiEntry *e, AvahiInterface *i);
155 void avahi_server_post_query(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, AvahiKey *key);
157 void avahi_server_prepare_response(AvahiServer *s, AvahiInterface *i, AvahiEntry *e, int unicast_response, int auxiliary);
158 void avahi_server_prepare_matching_responses(AvahiServer *s, AvahiInterface *i, AvahiKey *k, int unicast_response);
159 void avahi_server_generate_response(AvahiServer *s, AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, uint16_t port, int legacy_unicast, int is_probe);
161 void avahi_s_entry_group_change_state(AvahiSEntryGroup *g, AvahiEntryGroupState state);
163 int avahi_entry_is_commited(AvahiEntry *e);
165 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);
167 void avahi_host_rr_entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void *userdata);
169 void avahi_server_decrease_host_rr_pending(AvahiServer *s);
170 void avahi_server_increase_host_rr_pending(AvahiServer *s);
172 int avahi_server_set_errno(AvahiServer *s, int error);