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
30 #include <dbus/dbus.h>
32 #include <avahi-client/client.h>
33 #include <avahi-common/dbus.h>
34 #include <avahi-common/llist.h>
35 #include <avahi-common/error.h>
36 #include <avahi-common/malloc.h>
41 /* AvahiServiceResolver implementation */
43 DBusHandlerResult avahi_service_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
44 AvahiServiceResolver *r = NULL;
47 AvahiStringList *strlst = NULL;
52 dbus_error_init (&error);
54 if (!(path = dbus_message_get_path(message)))
57 for (r = client->service_resolvers; r; r = r->service_resolvers_next)
58 if (strcmp (r->path, path) == 0)
64 if (event == AVAHI_RESOLVER_FOUND) {
66 int32_t interface, protocol, aprotocol;
68 char *name, *type, *domain, *host, *address;
70 DBusMessageIter iter, sub;
73 if (!dbus_message_get_args(
75 DBUS_TYPE_INT32, &interface,
76 DBUS_TYPE_INT32, &protocol,
77 DBUS_TYPE_STRING, &name,
78 DBUS_TYPE_STRING, &type,
79 DBUS_TYPE_STRING, &domain,
80 DBUS_TYPE_STRING, &host,
81 DBUS_TYPE_INT32, &aprotocol,
82 DBUS_TYPE_STRING, &address,
83 DBUS_TYPE_UINT16, &port,
85 dbus_error_is_set (&error)) {
87 fprintf(stderr, "Failed to parse resolver event.\n");
91 dbus_message_iter_init(message, &iter);
93 for (j = 0; j < 9; j++)
94 dbus_message_iter_next(&iter);
96 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
97 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY) {
98 fprintf(stderr, "Error parsing service resolving message\n");
103 dbus_message_iter_recurse(&iter, &sub);
106 DBusMessageIter sub2;
109 if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
112 assert(at == DBUS_TYPE_ARRAY);
114 if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) {
115 fprintf(stderr, "Error parsing service resolving message\n");
119 dbus_message_iter_recurse(&sub, &sub2);
121 if (dbus_message_iter_get_array_len(&sub2) > 0) {
125 dbus_message_iter_get_fixed_array(&sub2, &k, &n);
126 strlst = avahi_string_list_add_arbitrary(strlst, k, n);
129 dbus_message_iter_next(&sub);
132 dbus_message_iter_next(&iter);
134 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) {
135 fprintf(stderr, "Failed to parse resolver event.\n");
139 dbus_message_iter_get_basic(&iter, &flags);
142 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
143 fprintf(stderr, "Failed to parse address\n");
147 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, &a, port, strlst, (AvahiLookupResultFlags) flags, r->userdata);
149 avahi_string_list_free(strlst);
152 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, NULL, NULL, NULL, 0, NULL, 0, r->userdata);
154 return DBUS_HANDLER_RESULT_HANDLED;
158 dbus_error_free (&error);
159 avahi_string_list_free(strlst);
160 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
163 AvahiServiceResolver * avahi_service_resolver_new(
165 AvahiIfIndex interface,
166 AvahiProtocol protocol,
170 AvahiProtocol aprotocol,
171 AvahiLookupFlags flags,
172 AvahiServiceResolverCallback callback,
176 AvahiServiceResolver *r = NULL;
177 DBusMessage *message = NULL, *reply = NULL;
178 int32_t i_interface, i_protocol, i_aprotocol;
191 dbus_error_init (&error);
193 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
194 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
198 if (!(r = avahi_new(AvahiServiceResolver, 1))) {
199 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
204 r->callback = callback;
205 r->userdata = userdata;
208 AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
210 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
211 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
215 i_interface = (int32_t) interface;
216 i_protocol = (int32_t) protocol;
217 i_aprotocol = (int32_t) aprotocol;
218 u_flags = (uint32_t) flags;
220 if (!(dbus_message_append_args(
222 DBUS_TYPE_INT32, &i_interface,
223 DBUS_TYPE_INT32, &i_protocol,
224 DBUS_TYPE_STRING, &name,
225 DBUS_TYPE_STRING, &type,
226 DBUS_TYPE_STRING, &domain,
227 DBUS_TYPE_INT32, &i_aprotocol,
228 DBUS_TYPE_UINT32, &u_flags,
229 DBUS_TYPE_INVALID))) {
230 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
234 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
235 dbus_error_is_set(&error)) {
236 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
240 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
241 dbus_error_is_set(&error) ||
243 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
247 if (!(r->path = avahi_strdup(path))) {
249 /* FIXME: We don't remove the object on the server side */
251 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
256 dbus_message_unref(message);
257 dbus_message_unref(reply);
263 if (dbus_error_is_set(&error)) {
264 avahi_client_set_dbus_error(client, &error);
265 dbus_error_free(&error);
269 avahi_service_resolver_free(r);
272 dbus_message_unref(message);
275 dbus_message_unref(reply);
281 AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) {
287 int avahi_service_resolver_free(AvahiServiceResolver *r) {
294 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
295 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free");
297 AVAHI_LLIST_REMOVE(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
305 /* AvahiHostNameResolver implementation */
307 DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
308 AvahiHostNameResolver *r = NULL;
315 dbus_error_init (&error);
317 if (!(path = dbus_message_get_path(message)))
320 for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next)
321 if (strcmp (r->path, path) == 0)
327 if (event == AVAHI_RESOLVER_FOUND) {
328 int32_t interface, protocol, aprotocol;
330 char *name, *address;
333 if (!dbus_message_get_args(
335 DBUS_TYPE_INT32, &interface,
336 DBUS_TYPE_INT32, &protocol,
337 DBUS_TYPE_STRING, &name,
338 DBUS_TYPE_INT32, &aprotocol,
339 DBUS_TYPE_STRING, &address,
340 DBUS_TYPE_UINT32, &flags,
341 DBUS_TYPE_INVALID) ||
342 dbus_error_is_set (&error)) {
343 fprintf(stderr, "Failed to parse resolver event.\n");
348 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
349 fprintf(stderr, "Failed to parse address\n");
353 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, &a, (AvahiLookupResultFlags) flags, r->userdata);
356 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, 0, r->userdata);
358 return DBUS_HANDLER_RESULT_HANDLED;
361 dbus_error_free (&error);
362 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
366 AvahiHostNameResolver * avahi_host_name_resolver_new(
368 AvahiIfIndex interface,
369 AvahiProtocol protocol,
371 AvahiProtocol aprotocol,
372 AvahiLookupFlags flags,
373 AvahiHostNameResolverCallback callback,
377 AvahiHostNameResolver *r = NULL;
378 DBusMessage *message = NULL, *reply = NULL;
379 int32_t i_interface, i_protocol, i_aprotocol;
386 dbus_error_init (&error);
388 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
389 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
393 if (!(r = avahi_new(AvahiHostNameResolver, 1))) {
394 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
399 r->callback = callback;
400 r->userdata = userdata;
403 AVAHI_LLIST_PREPEND(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
405 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew"))) {
406 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
410 i_interface = (int32_t) interface;
411 i_protocol = (int32_t) protocol;
412 i_aprotocol = (int32_t) aprotocol;
413 u_flags = (uint32_t) flags;
415 if (!(dbus_message_append_args(
417 DBUS_TYPE_INT32, &i_interface,
418 DBUS_TYPE_INT32, &i_protocol,
419 DBUS_TYPE_STRING, &name,
420 DBUS_TYPE_INT32, &i_aprotocol,
421 DBUS_TYPE_UINT32, &u_flags,
422 DBUS_TYPE_INVALID))) {
423 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
427 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
428 dbus_error_is_set(&error)) {
429 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
433 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
434 dbus_error_is_set(&error) ||
436 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
440 if (!(r->path = avahi_strdup(path))) {
442 /* FIXME: We don't remove the object on the server side */
444 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
448 dbus_message_unref(message);
449 dbus_message_unref(reply);
455 if (dbus_error_is_set(&error)) {
456 avahi_client_set_dbus_error(client, &error);
457 dbus_error_free(&error);
461 avahi_host_name_resolver_free(r);
464 dbus_message_unref(message);
467 dbus_message_unref(reply);
473 int avahi_host_name_resolver_free(AvahiHostNameResolver *r) {
480 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
481 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free");
483 AVAHI_LLIST_REMOVE(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
491 AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
497 /* AvahiAddressResolver implementation */
499 DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
500 AvahiAddressResolver *r = NULL;
507 dbus_error_init (&error);
509 if (!(path = dbus_message_get_path(message)))
512 for (r = client->address_resolvers; r; r = r->address_resolvers_next)
513 if (strcmp (r->path, path) == 0)
519 if (event == AVAHI_RESOLVER_FOUND) {
520 int32_t interface, protocol, aprotocol;
522 char *name, *address;
525 if (!dbus_message_get_args(
527 DBUS_TYPE_INT32, &interface,
528 DBUS_TYPE_INT32, &protocol,
529 DBUS_TYPE_INT32, &aprotocol,
530 DBUS_TYPE_STRING, &address,
531 DBUS_TYPE_STRING, &name,
532 DBUS_TYPE_UINT32, &flags,
533 DBUS_TYPE_INVALID) ||
534 dbus_error_is_set (&error)) {
535 fprintf(stderr, "Failed to parse resolver event.\n");
540 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
541 fprintf(stderr, "Failed to parse address\n");
545 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, (AvahiProtocol) aprotocol, &a, name, (AvahiLookupResultFlags) flags, r->userdata);
547 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, AVAHI_PROTO_UNSPEC, NULL, NULL, 0, r->userdata);
549 return DBUS_HANDLER_RESULT_HANDLED;
552 dbus_error_free (&error);
553 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
556 AvahiAddressResolver * avahi_address_resolver_new_a(
558 AvahiIfIndex interface,
559 AvahiProtocol protocol,
560 const AvahiAddress *a,
561 AvahiLookupFlags flags,
562 AvahiAddressResolverCallback callback,
569 if (!avahi_address_snprint (addr, sizeof (addr), a)) {
570 avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
574 return avahi_address_resolver_new(
575 client, interface, protocol,
580 AvahiAddressResolver * avahi_address_resolver_new(
582 AvahiIfIndex interface,
583 AvahiProtocol protocol,
585 AvahiLookupFlags flags,
586 AvahiAddressResolverCallback callback,
590 AvahiAddressResolver *r = NULL;
591 DBusMessage *message = NULL, *reply = NULL;
592 int32_t i_interface, i_protocol;
598 dbus_error_init (&error);
600 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
601 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
605 if (!(r = avahi_new(AvahiAddressResolver, 1))) {
606 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
611 r->callback = callback;
612 r->userdata = userdata;
615 AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
617 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
618 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
622 i_interface = (int32_t) interface;
623 i_protocol = (int32_t) protocol;
624 u_flags = (uint32_t) flags;
626 if (!(dbus_message_append_args(
628 DBUS_TYPE_INT32, &i_interface,
629 DBUS_TYPE_INT32, &i_protocol,
630 DBUS_TYPE_STRING, &address,
631 DBUS_TYPE_UINT32, &u_flags,
632 DBUS_TYPE_INVALID))) {
633 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
637 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
638 dbus_error_is_set(&error)) {
639 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
643 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
644 dbus_error_is_set(&error) ||
646 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
650 if (!(r->path = avahi_strdup(path))) {
652 /* FIXME: We don't remove the object on the server side */
654 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
658 dbus_message_unref(message);
659 dbus_message_unref(reply);
665 if (dbus_error_is_set(&error)) {
666 avahi_client_set_dbus_error(client, &error);
667 dbus_error_free(&error);
671 avahi_address_resolver_free(r);
674 dbus_message_unref(message);
677 dbus_message_unref(reply);
683 AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) {
689 int avahi_address_resolver_free(AvahiAddressResolver *r) {
696 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
697 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free");
699 AVAHI_LLIST_REMOVE(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);