1#ifndef fooifacehfoo
2#define fooifacehfoo
3
4/* $Id$ */
5
6/***
7  This file is part of avahi.
8
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.
13
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.
18
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
22  USA.
23***/
24
25typedef struct AvahiInterfaceMonitor AvahiInterfaceMonitor;
26typedef struct AvahiInterfaceAddress AvahiInterfaceAddress;
27typedef struct AvahiInterface AvahiInterface;
28typedef struct AvahiHwInterface AvahiHwInterface;
29
30#include <avahi-common/llist.h>
31#include <avahi-common/address.h>
32
33#include "internal.h"
34#include "cache.h"
35#include "response-sched.h"
36#include "query-sched.h"
37#include "probe-sched.h"
38#include "dns.h"
39#include "announce.h"
40#include "browse.h"
41#include "querier.h"
42
43#ifdef HAVE_NETLINK
44#include "iface-linux.h"
45#elif defined(HAVE_PF_ROUTE)
46#include "iface-pfroute.h"
47#else
48typedef struct AvahiInterfaceMonitorOSDep AvahiInterfaceMonitorOSDep;
49struct AvahiInterfaceMonitorOSDep {
50
51    unsigned query_addr_seq, query_link_seq;
52
53    enum {
54        LIST_IFACE,
55        LIST_ADDR,
56        LIST_DONE
57    } list;
58};
59#endif
60
61#define AVAHI_MAC_ADDRESS_MAX 32
62
63struct AvahiInterfaceMonitor {
64    AvahiServer *server;
65    AvahiHashmap *hashmap;
66
67    AVAHI_LLIST_HEAD(AvahiInterface, interfaces);
68    AVAHI_LLIST_HEAD(AvahiHwInterface, hw_interfaces);
69
70    int list_complete;
71    AvahiInterfaceMonitorOSDep osdep;
72};
73
74struct AvahiHwInterface {
75    AvahiInterfaceMonitor *monitor;
76
77    AVAHI_LLIST_FIELDS(AvahiHwInterface, hardware);
78
79    char *name;
80    AvahiIfIndex index;
81    int flags_ok;
82
83    unsigned mtu;
84
85    uint8_t mac_address[AVAHI_MAC_ADDRESS_MAX];
86    size_t mac_address_size;
87
88    AvahiSEntryGroup *entry_group;
89
90    AVAHI_LLIST_HEAD(AvahiInterface, interfaces);
91};
92
93struct AvahiInterface {
94    AvahiInterfaceMonitor *monitor;
95    AvahiHwInterface *hardware;
96
97    AVAHI_LLIST_FIELDS(AvahiInterface, interface);
98    AVAHI_LLIST_FIELDS(AvahiInterface, by_hardware);
99
100    AvahiProtocol protocol;
101    int announcing;
102    AvahiAddress local_mcast_address;
103    int mcast_joined;
104
105    AvahiCache *cache;
106
107    AvahiQueryScheduler *query_scheduler;
108    AvahiResponseScheduler * response_scheduler;
109    AvahiProbeScheduler *probe_scheduler;
110
111    AVAHI_LLIST_HEAD(AvahiInterfaceAddress, addresses);
112    AVAHI_LLIST_HEAD(AvahiAnnouncer, announcers);
113
114    AvahiHashmap *queriers_by_key;
115    AVAHI_LLIST_HEAD(AvahiQuerier, queriers);
116};
117
118struct AvahiInterfaceAddress {
119    AvahiInterfaceMonitor *monitor;
120    AvahiInterface *interface;
121
122    AVAHI_LLIST_FIELDS(AvahiInterfaceAddress, address);
123
124    AvahiAddress address;
125    unsigned prefix_len;
126
127    int global_scope;
128
129    AvahiSEntryGroup *entry_group;
130};
131
132AvahiInterfaceMonitor *avahi_interface_monitor_new(AvahiServer *server);
133void avahi_interface_monitor_free(AvahiInterfaceMonitor *m);
134
135int avahi_interface_monitor_init_osdep(AvahiInterfaceMonitor *m);
136void avahi_interface_monitor_free_osdep(AvahiInterfaceMonitor *m);
137void avahi_interface_monitor_sync(AvahiInterfaceMonitor *m);
138
139typedef void (*AvahiInterfaceMonitorWalkCallback)(AvahiInterfaceMonitor *m, AvahiInterface *i, void* userdata);
140void avahi_interface_monitor_walk(AvahiInterfaceMonitor *m, AvahiIfIndex idx, AvahiProtocol protocol, AvahiInterfaceMonitorWalkCallback callback, void* userdata);
141int avahi_dump_caches(AvahiInterfaceMonitor *m, AvahiDumpCallback callback, void* userdata);
142
143void avahi_interface_monitor_update_rrs(AvahiInterfaceMonitor *m, int remove_rrs);
144int avahi_address_is_local(AvahiInterfaceMonitor *m, const AvahiAddress *a);
145void avahi_interface_monitor_check_relevant(AvahiInterfaceMonitor *m);
146
147/* AvahiHwInterface */
148
149AvahiHwInterface *avahi_hw_interface_new(AvahiInterfaceMonitor *m, AvahiIfIndex idx);
150void avahi_hw_interface_free(AvahiHwInterface *hw, int send_goodbye);
151
152void avahi_hw_interface_update_rrs(AvahiHwInterface *hw, int remove_rrs);
153void avahi_hw_interface_check_relevant(AvahiHwInterface *hw);
154
155AvahiHwInterface* avahi_interface_monitor_get_hw_interface(AvahiInterfaceMonitor *m, int idx);
156
157/* AvahiInterface */
158
159AvahiInterface* avahi_interface_new(AvahiInterfaceMonitor *m, AvahiHwInterface *hw, AvahiProtocol protocol);
160void avahi_interface_free(AvahiInterface *i, int send_goodbye);
161
162void avahi_interface_update_rrs(AvahiInterface *i, int remove_rrs);
163void avahi_interface_check_relevant(AvahiInterface *i);
164int avahi_interface_is_relevant(AvahiInterface *i);
165
166void avahi_interface_send_packet(AvahiInterface *i, AvahiDnsPacket *p);
167void avahi_interface_send_packet_unicast(AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, uint16_t port);
168
169int avahi_interface_post_query(AvahiInterface *i, AvahiKey *k, int immediately, unsigned *ret_id);
170int avahi_interface_withraw_query(AvahiInterface *i, unsigned id);
171int avahi_interface_post_response(AvahiInterface *i, AvahiRecord *record, int flush_cache, const AvahiAddress *querier, int immediately);
172int avahi_interface_post_probe(AvahiInterface *i, AvahiRecord *p, int immediately);
173
174int avahi_interface_match(AvahiInterface *i, AvahiIfIndex idx, AvahiProtocol protocol);
175int avahi_interface_address_on_link(AvahiInterface *i, const AvahiAddress *a);
176int avahi_interface_has_address(AvahiInterfaceMonitor *m, AvahiIfIndex iface, const AvahiAddress *a);
177
178AvahiInterface* avahi_interface_monitor_get_interface(AvahiInterfaceMonitor *m, AvahiIfIndex idx, AvahiProtocol protocol);
179
180/* AvahiInterfaceAddress */
181
182AvahiInterfaceAddress *avahi_interface_address_new(AvahiInterfaceMonitor *m, AvahiInterface *i, const AvahiAddress *addr, unsigned prefix_len);
183void avahi_interface_address_free(AvahiInterfaceAddress *a);
184
185void avahi_interface_address_update_rrs(AvahiInterfaceAddress *a, int remove_rrs);
186int avahi_interface_address_is_relevant(AvahiInterfaceAddress *a);
187
188AvahiInterfaceAddress* avahi_interface_monitor_get_address(AvahiInterfaceMonitor *m, AvahiInterface *i, const AvahiAddress *raddr);
189
190AvahiIfIndex avahi_find_interface_for_address(AvahiInterfaceMonitor *m, const AvahiAddress *a);
191
192#endif
193