1 #ifndef fooifacehfoo 2 #define fooifacehfoo 3 4 /*** 5 This file is part of avahi. 6 7 avahi is free software; you can redistribute it and/or modify it 8 under the terms of the GNU Lesser General Public License as 9 published by the Free Software Foundation; either version 2.1 of the 10 License, or (at your option) any later version. 11 12 avahi is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General 15 Public License for more details. 16 17 You should have received a copy of the GNU Lesser General Public 18 License along with avahi; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 20 USA. 21 ***/ 22 23 typedef struct AvahiInterfaceMonitor AvahiInterfaceMonitor; 24 typedef struct AvahiInterfaceAddress AvahiInterfaceAddress; 25 typedef struct AvahiInterface AvahiInterface; 26 typedef struct AvahiHwInterface AvahiHwInterface; 27 28 #include <avahi-common/llist.h> 29 #include <avahi-common/address.h> 30 31 #include "internal.h" 32 #include "cache.h" 33 #include "response-sched.h" 34 #include "query-sched.h" 35 #include "probe-sched.h" 36 #include "dns.h" 37 #include "announce.h" 38 #include "browse.h" 39 #include "querier.h" 40 41 #ifdef HAVE_NETLINK 42 #include "iface-linux.h" 43 #elif defined(HAVE_PF_ROUTE) 44 #include "iface-pfroute.h" 45 #else 46 typedef struct AvahiInterfaceMonitorOSDep AvahiInterfaceMonitorOSDep; 47 struct AvahiInterfaceMonitorOSDep { 48 49 unsigned query_addr_seq, query_link_seq; 50 51 enum { 52 LIST_IFACE, 53 LIST_ADDR, 54 LIST_DONE 55 } list; 56 }; 57 #endif 58 59 #define AVAHI_MAC_ADDRESS_MAX 32 60 61 struct AvahiInterfaceMonitor { 62 AvahiServer *server; 63 AvahiHashmap *hashmap; 64 65 AVAHI_LLIST_HEAD(AvahiInterface, interfaces); 66 AVAHI_LLIST_HEAD(AvahiHwInterface, hw_interfaces); 67 68 int list_complete; 69 AvahiInterfaceMonitorOSDep osdep; 70 }; 71 72 struct AvahiHwInterface { 73 AvahiInterfaceMonitor *monitor; 74 75 AVAHI_LLIST_FIELDS(AvahiHwInterface, hardware); 76 77 char *name; 78 AvahiIfIndex index; 79 int flags_ok; 80 81 unsigned mtu; 82 83 uint8_t mac_address[AVAHI_MAC_ADDRESS_MAX]; 84 size_t mac_address_size; 85 86 AvahiSEntryGroup *entry_group; 87 88 /* Packet rate limiting */ 89 struct timeval ratelimit_begin; 90 unsigned ratelimit_counter; 91 92 AVAHI_LLIST_HEAD(AvahiInterface, interfaces); 93 }; 94 95 struct AvahiInterface { 96 AvahiInterfaceMonitor *monitor; 97 AvahiHwInterface *hardware; 98 99 AVAHI_LLIST_FIELDS(AvahiInterface, interface); 100 AVAHI_LLIST_FIELDS(AvahiInterface, by_hardware); 101 102 AvahiProtocol protocol; 103 int announcing; 104 AvahiAddress local_mcast_address; 105 int mcast_joined; 106 107 AvahiCache *cache; 108 109 AvahiQueryScheduler *query_scheduler; 110 AvahiResponseScheduler * response_scheduler; 111 AvahiProbeScheduler *probe_scheduler; 112 113 AVAHI_LLIST_HEAD(AvahiInterfaceAddress, addresses); 114 AVAHI_LLIST_HEAD(AvahiAnnouncer, announcers); 115 116 AvahiHashmap *queriers_by_key; 117 AVAHI_LLIST_HEAD(AvahiQuerier, queriers); 118 }; 119 120 struct AvahiInterfaceAddress { 121 AvahiInterfaceMonitor *monitor; 122 AvahiInterface *interface; 123 124 AVAHI_LLIST_FIELDS(AvahiInterfaceAddress, address); 125 126 AvahiAddress address; 127 unsigned prefix_len; 128 129 int global_scope; 130 int deprecated; 131 132 AvahiSEntryGroup *entry_group; 133 }; 134 135 AvahiInterfaceMonitor *avahi_interface_monitor_new(AvahiServer *server); 136 void avahi_interface_monitor_free(AvahiInterfaceMonitor *m); 137 138 int avahi_interface_monitor_init_osdep(AvahiInterfaceMonitor *m); 139 void avahi_interface_monitor_free_osdep(AvahiInterfaceMonitor *m); 140 void avahi_interface_monitor_sync(AvahiInterfaceMonitor *m); 141 142 typedef void (*AvahiInterfaceMonitorWalkCallback)(AvahiInterfaceMonitor *m, AvahiInterface *i, void* userdata); 143 void avahi_interface_monitor_walk(AvahiInterfaceMonitor *m, AvahiIfIndex idx, AvahiProtocol protocol, AvahiInterfaceMonitorWalkCallback callback, void* userdata); 144 int avahi_dump_caches(AvahiInterfaceMonitor *m, AvahiDumpCallback callback, void* userdata); 145 146 void avahi_interface_monitor_update_rrs(AvahiInterfaceMonitor *m, int remove_rrs); 147 int avahi_address_is_local(AvahiInterfaceMonitor *m, const AvahiAddress *a); 148 void avahi_interface_monitor_check_relevant(AvahiInterfaceMonitor *m); 149 150 /* AvahiHwInterface */ 151 152 AvahiHwInterface *avahi_hw_interface_new(AvahiInterfaceMonitor *m, AvahiIfIndex idx); 153 void avahi_hw_interface_free(AvahiHwInterface *hw, int send_goodbye); 154 155 void avahi_hw_interface_update_rrs(AvahiHwInterface *hw, int remove_rrs); 156 void avahi_hw_interface_check_relevant(AvahiHwInterface *hw); 157 158 AvahiHwInterface* avahi_interface_monitor_get_hw_interface(AvahiInterfaceMonitor *m, int idx); 159 160 /* AvahiInterface */ 161 162 AvahiInterface* avahi_interface_new(AvahiInterfaceMonitor *m, AvahiHwInterface *hw, AvahiProtocol protocol); 163 void avahi_interface_free(AvahiInterface *i, int send_goodbye); 164 165 void avahi_interface_update_rrs(AvahiInterface *i, int remove_rrs); 166 void avahi_interface_check_relevant(AvahiInterface *i); 167 int avahi_interface_is_relevant(AvahiInterface *i); 168 169 void avahi_interface_send_packet(AvahiInterface *i, AvahiDnsPacket *p); 170 void avahi_interface_send_packet_unicast(AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, uint16_t port); 171 172 int avahi_interface_post_query(AvahiInterface *i, AvahiKey *k, int immediately, unsigned *ret_id); 173 int avahi_interface_withraw_query(AvahiInterface *i, unsigned id); 174 int avahi_interface_post_response(AvahiInterface *i, AvahiRecord *record, int flush_cache, const AvahiAddress *querier, int immediately); 175 int avahi_interface_post_probe(AvahiInterface *i, AvahiRecord *p, int immediately); 176 177 int avahi_interface_match(AvahiInterface *i, AvahiIfIndex idx, AvahiProtocol protocol); 178 int avahi_interface_address_on_link(AvahiInterface *i, const AvahiAddress *a); 179 int avahi_interface_has_address(AvahiInterfaceMonitor *m, AvahiIfIndex iface, const AvahiAddress *a); 180 181 AvahiInterface* avahi_interface_monitor_get_interface(AvahiInterfaceMonitor *m, AvahiIfIndex idx, AvahiProtocol protocol); 182 183 /* AvahiInterfaceAddress */ 184 185 AvahiInterfaceAddress *avahi_interface_address_new(AvahiInterfaceMonitor *m, AvahiInterface *i, const AvahiAddress *addr, unsigned prefix_len); 186 void avahi_interface_address_free(AvahiInterfaceAddress *a); 187 188 void avahi_interface_address_update_rrs(AvahiInterfaceAddress *a, int remove_rrs); 189 int avahi_interface_address_is_relevant(AvahiInterfaceAddress *a); 190 191 AvahiInterfaceAddress* avahi_interface_monitor_get_address(AvahiInterfaceMonitor *m, AvahiInterface *i, const AvahiAddress *raddr); 192 193 AvahiIfIndex avahi_find_interface_for_address(AvahiInterfaceMonitor *m, const AvahiAddress *a); 194 195 #endif 196
