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)
65 case AVAHI_RESOLVER_FOUND: {
67 int32_t interface, protocol, aprotocol;
69 char *name, *type, *domain, *host, *address;
71 DBusMessageIter iter, sub;
74 if (!dbus_message_get_args(
76 DBUS_TYPE_INT32, &interface,
77 DBUS_TYPE_INT32, &protocol,
78 DBUS_TYPE_STRING, &name,
79 DBUS_TYPE_STRING, &type,
80 DBUS_TYPE_STRING, &domain,
81 DBUS_TYPE_STRING, &host,
82 DBUS_TYPE_INT32, &aprotocol,
83 DBUS_TYPE_STRING, &address,
84 DBUS_TYPE_UINT16, &port,
86 dbus_error_is_set (&error)) {
88 fprintf(stderr, "Failed to parse resolver event.\n");
92 dbus_message_iter_init(message, &iter);
94 for (j = 0; j < 9; j++)
95 dbus_message_iter_next(&iter);
97 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
98 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY) {
99 fprintf(stderr, "Error parsing service resolving message\n");
104 dbus_message_iter_recurse(&iter, &sub);
107 DBusMessageIter sub2;
110 if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
113 assert(at == DBUS_TYPE_ARRAY);
115 if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) {
116 fprintf(stderr, "Error parsing service resolving message\n");
120 dbus_message_iter_recurse(&sub, &sub2);
122 if (dbus_message_iter_get_array_len(&sub2) > 0) {
126 dbus_message_iter_get_fixed_array(&sub2, &k, &n);
127 strlst = avahi_string_list_add_arbitrary(strlst, k, n);
130 dbus_message_iter_next(&sub);
133 dbus_message_iter_next(&iter);
135 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) {
136 fprintf(stderr, "Failed to parse resolver event.\n");
140 dbus_message_iter_get_basic(&iter, &flags);
143 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
144 fprintf(stderr, "Failed to parse address\n");
148 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, &a, port, strlst, (AvahiLookupResultFlags) flags, r->userdata);
150 avahi_string_list_free(strlst);
154 case AVAHI_RESOLVER_FAILURE: {
157 if (!dbus_message_get_args(
159 DBUS_TYPE_STRING, &etxt,
160 DBUS_TYPE_INVALID) ||
161 dbus_error_is_set (&error)) {
162 fprintf(stderr, "Failed to parse resolver event.\n");
166 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
167 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, NULL, NULL, NULL, 0, NULL, 0, r->userdata);
172 return DBUS_HANDLER_RESULT_HANDLED;
176 dbus_error_free (&error);
177 avahi_string_list_free(strlst);
178 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
181 AvahiServiceResolver * avahi_service_resolver_new(
183 AvahiIfIndex interface,
184 AvahiProtocol protocol,
188 AvahiProtocol aprotocol,
189 AvahiLookupFlags flags,
190 AvahiServiceResolverCallback callback,
194 AvahiServiceResolver *r = NULL;
195 DBusMessage *message = NULL, *reply = NULL;
196 int32_t i_interface, i_protocol, i_aprotocol;
209 dbus_error_init (&error);
211 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
212 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
216 if (!(r = avahi_new(AvahiServiceResolver, 1))) {
217 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
222 r->callback = callback;
223 r->userdata = userdata;
226 AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
228 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
229 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
233 i_interface = (int32_t) interface;
234 i_protocol = (int32_t) protocol;
235 i_aprotocol = (int32_t) aprotocol;
236 u_flags = (uint32_t) flags;
238 if (!(dbus_message_append_args(
240 DBUS_TYPE_INT32, &i_interface,
241 DBUS_TYPE_INT32, &i_protocol,
242 DBUS_TYPE_STRING, &name,
243 DBUS_TYPE_STRING, &type,
244 DBUS_TYPE_STRING, &domain,
245 DBUS_TYPE_INT32, &i_aprotocol,
246 DBUS_TYPE_UINT32, &u_flags,
247 DBUS_TYPE_INVALID))) {
248 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
252 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
253 dbus_error_is_set(&error)) {
254 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
258 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
259 dbus_error_is_set(&error) ||
261 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
265 if (!(r->path = avahi_strdup(path))) {
267 /* FIXME: We don't remove the object on the server side */
269 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
274 dbus_message_unref(message);
275 dbus_message_unref(reply);
281 if (dbus_error_is_set(&error)) {
282 avahi_client_set_dbus_error(client, &error);
283 dbus_error_free(&error);
287 avahi_service_resolver_free(r);
290 dbus_message_unref(message);
293 dbus_message_unref(reply);
299 AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) {
305 int avahi_service_resolver_free(AvahiServiceResolver *r) {
312 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
313 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free");
315 AVAHI_LLIST_REMOVE(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
323 /* AvahiHostNameResolver implementation */
325 DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
326 AvahiHostNameResolver *r = NULL;
333 dbus_error_init (&error);
335 if (!(path = dbus_message_get_path(message)))
338 for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next)
339 if (strcmp (r->path, path) == 0)
346 case AVAHI_RESOLVER_FOUND: {
347 int32_t interface, protocol, aprotocol;
349 char *name, *address;
352 if (!dbus_message_get_args(
354 DBUS_TYPE_INT32, &interface,
355 DBUS_TYPE_INT32, &protocol,
356 DBUS_TYPE_STRING, &name,
357 DBUS_TYPE_INT32, &aprotocol,
358 DBUS_TYPE_STRING, &address,
359 DBUS_TYPE_UINT32, &flags,
360 DBUS_TYPE_INVALID) ||
361 dbus_error_is_set (&error)) {
362 fprintf(stderr, "Failed to parse resolver event.\n");
367 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
368 fprintf(stderr, "Failed to parse address\n");
372 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, &a, (AvahiLookupResultFlags) flags, r->userdata);
376 case AVAHI_RESOLVER_FAILURE: {
379 if (!dbus_message_get_args(
381 DBUS_TYPE_STRING, &etxt,
382 DBUS_TYPE_INVALID) ||
383 dbus_error_is_set (&error)) {
384 fprintf(stderr, "Failed to parse resolver event.\n");
388 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
389 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, 0, r->userdata);
394 return DBUS_HANDLER_RESULT_HANDLED;
397 dbus_error_free (&error);
398 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
402 AvahiHostNameResolver * avahi_host_name_resolver_new(
404 AvahiIfIndex interface,
405 AvahiProtocol protocol,
407 AvahiProtocol aprotocol,
408 AvahiLookupFlags flags,
409 AvahiHostNameResolverCallback callback,
413 AvahiHostNameResolver *r = NULL;
414 DBusMessage *message = NULL, *reply = NULL;
415 int32_t i_interface, i_protocol, i_aprotocol;
422 dbus_error_init (&error);
424 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
425 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
429 if (!(r = avahi_new(AvahiHostNameResolver, 1))) {
430 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
435 r->callback = callback;
436 r->userdata = userdata;
439 AVAHI_LLIST_PREPEND(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
441 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew"))) {
442 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
446 i_interface = (int32_t) interface;
447 i_protocol = (int32_t) protocol;
448 i_aprotocol = (int32_t) aprotocol;
449 u_flags = (uint32_t) flags;
451 if (!(dbus_message_append_args(
453 DBUS_TYPE_INT32, &i_interface,
454 DBUS_TYPE_INT32, &i_protocol,
455 DBUS_TYPE_STRING, &name,
456 DBUS_TYPE_INT32, &i_aprotocol,
457 DBUS_TYPE_UINT32, &u_flags,
458 DBUS_TYPE_INVALID))) {
459 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
463 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
464 dbus_error_is_set(&error)) {
465 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
469 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
470 dbus_error_is_set(&error) ||
472 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
476 if (!(r->path = avahi_strdup(path))) {
478 /* FIXME: We don't remove the object on the server side */
480 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
484 dbus_message_unref(message);
485 dbus_message_unref(reply);
491 if (dbus_error_is_set(&error)) {
492 avahi_client_set_dbus_error(client, &error);
493 dbus_error_free(&error);
497 avahi_host_name_resolver_free(r);
500 dbus_message_unref(message);
503 dbus_message_unref(reply);
509 int avahi_host_name_resolver_free(AvahiHostNameResolver *r) {
516 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
517 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free");
519 AVAHI_LLIST_REMOVE(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
527 AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
533 /* AvahiAddressResolver implementation */
535 DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
536 AvahiAddressResolver *r = NULL;
543 dbus_error_init (&error);
545 if (!(path = dbus_message_get_path(message)))
548 for (r = client->address_resolvers; r; r = r->address_resolvers_next)
549 if (strcmp (r->path, path) == 0)
556 case AVAHI_RESOLVER_FOUND: {
557 int32_t interface, protocol, aprotocol;
559 char *name, *address;
562 if (!dbus_message_get_args(
564 DBUS_TYPE_INT32, &interface,
565 DBUS_TYPE_INT32, &protocol,
566 DBUS_TYPE_INT32, &aprotocol,
567 DBUS_TYPE_STRING, &address,
568 DBUS_TYPE_STRING, &name,
569 DBUS_TYPE_UINT32, &flags,
570 DBUS_TYPE_INVALID) ||
571 dbus_error_is_set (&error)) {
572 fprintf(stderr, "Failed to parse resolver event.\n");
577 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
578 fprintf(stderr, "Failed to parse address\n");
582 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, (AvahiProtocol) aprotocol, &a, name, (AvahiLookupResultFlags) flags, r->userdata);
586 case AVAHI_RESOLVER_FAILURE: {
589 if (!dbus_message_get_args(
591 DBUS_TYPE_STRING, &etxt,
592 DBUS_TYPE_INVALID) ||
593 dbus_error_is_set (&error)) {
594 fprintf(stderr, "Failed to parse resolver event.\n");
598 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
599 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, AVAHI_PROTO_UNSPEC, NULL, NULL, 0, r->userdata);
604 return DBUS_HANDLER_RESULT_HANDLED;
607 dbus_error_free (&error);
608 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
611 AvahiAddressResolver * avahi_address_resolver_new_a(
613 AvahiIfIndex interface,
614 AvahiProtocol protocol,
615 const AvahiAddress *a,
616 AvahiLookupFlags flags,
617 AvahiAddressResolverCallback callback,
624 if (!avahi_address_snprint (addr, sizeof (addr), a)) {
625 avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
629 return avahi_address_resolver_new(
630 client, interface, protocol,
635 AvahiAddressResolver * avahi_address_resolver_new(
637 AvahiIfIndex interface,
638 AvahiProtocol protocol,
640 AvahiLookupFlags flags,
641 AvahiAddressResolverCallback callback,
645 AvahiAddressResolver *r = NULL;
646 DBusMessage *message = NULL, *reply = NULL;
647 int32_t i_interface, i_protocol;
653 dbus_error_init (&error);
655 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
656 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
660 if (!(r = avahi_new(AvahiAddressResolver, 1))) {
661 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
666 r->callback = callback;
667 r->userdata = userdata;
670 AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
672 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
673 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
677 i_interface = (int32_t) interface;
678 i_protocol = (int32_t) protocol;
679 u_flags = (uint32_t) flags;
681 if (!(dbus_message_append_args(
683 DBUS_TYPE_INT32, &i_interface,
684 DBUS_TYPE_INT32, &i_protocol,
685 DBUS_TYPE_STRING, &address,
686 DBUS_TYPE_UINT32, &u_flags,
687 DBUS_TYPE_INVALID))) {
688 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
692 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
693 dbus_error_is_set(&error)) {
694 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
698 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
699 dbus_error_is_set(&error) ||
701 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
705 if (!(r->path = avahi_strdup(path))) {
707 /* FIXME: We don't remove the object on the server side */
709 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
713 dbus_message_unref(message);
714 dbus_message_unref(reply);
720 if (dbus_error_is_set(&error)) {
721 avahi_client_set_dbus_error(client, &error);
722 dbus_error_free(&error);
726 avahi_address_resolver_free(r);
729 dbus_message_unref(message);
732 dbus_message_unref(reply);
738 AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) {
744 int avahi_address_resolver_free(AvahiAddressResolver *r) {
751 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
752 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free");
754 AVAHI_LLIST_REMOVE(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);