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);
147 avahi_address_parse(address, (AvahiProtocol) aprotocol, &a);
149 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, address ? &a : NULL, port, strlst, (AvahiLookupResultFlags) flags, r->userdata);
151 avahi_string_list_free(strlst);
155 case AVAHI_RESOLVER_FAILURE: {
158 if (!dbus_message_get_args(
160 DBUS_TYPE_STRING, &etxt,
161 DBUS_TYPE_INVALID) ||
162 dbus_error_is_set (&error)) {
163 fprintf(stderr, "Failed to parse resolver event.\n");
167 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
168 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, NULL, NULL, NULL, 0, NULL, 0, r->userdata);
173 return DBUS_HANDLER_RESULT_HANDLED;
177 dbus_error_free (&error);
178 avahi_string_list_free(strlst);
179 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
182 AvahiServiceResolver * avahi_service_resolver_new(
184 AvahiIfIndex interface,
185 AvahiProtocol protocol,
189 AvahiProtocol aprotocol,
190 AvahiLookupFlags flags,
191 AvahiServiceResolverCallback callback,
195 AvahiServiceResolver *r = NULL;
196 DBusMessage *message = NULL, *reply = NULL;
197 int32_t i_interface, i_protocol, i_aprotocol;
210 dbus_error_init (&error);
212 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
213 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
217 if (!(r = avahi_new(AvahiServiceResolver, 1))) {
218 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
223 r->callback = callback;
224 r->userdata = userdata;
227 AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
229 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
230 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
234 i_interface = (int32_t) interface;
235 i_protocol = (int32_t) protocol;
236 i_aprotocol = (int32_t) aprotocol;
237 u_flags = (uint32_t) flags;
239 if (!(dbus_message_append_args(
241 DBUS_TYPE_INT32, &i_interface,
242 DBUS_TYPE_INT32, &i_protocol,
243 DBUS_TYPE_STRING, &name,
244 DBUS_TYPE_STRING, &type,
245 DBUS_TYPE_STRING, &domain,
246 DBUS_TYPE_INT32, &i_aprotocol,
247 DBUS_TYPE_UINT32, &u_flags,
248 DBUS_TYPE_INVALID))) {
249 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
253 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
254 dbus_error_is_set(&error)) {
255 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
259 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
260 dbus_error_is_set(&error) ||
262 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
266 if (!(r->path = avahi_strdup(path))) {
268 /* FIXME: We don't remove the object on the server side */
270 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
275 dbus_message_unref(message);
276 dbus_message_unref(reply);
282 if (dbus_error_is_set(&error)) {
283 avahi_client_set_dbus_error(client, &error);
284 dbus_error_free(&error);
288 avahi_service_resolver_free(r);
291 dbus_message_unref(message);
294 dbus_message_unref(reply);
300 AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) {
306 int avahi_service_resolver_free(AvahiServiceResolver *r) {
313 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
314 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free");
316 AVAHI_LLIST_REMOVE(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
324 /* AvahiHostNameResolver implementation */
326 DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
327 AvahiHostNameResolver *r = NULL;
334 dbus_error_init (&error);
336 if (!(path = dbus_message_get_path(message)))
339 for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next)
340 if (strcmp (r->path, path) == 0)
347 case AVAHI_RESOLVER_FOUND: {
348 int32_t interface, protocol, aprotocol;
350 char *name, *address;
353 if (!dbus_message_get_args(
355 DBUS_TYPE_INT32, &interface,
356 DBUS_TYPE_INT32, &protocol,
357 DBUS_TYPE_STRING, &name,
358 DBUS_TYPE_INT32, &aprotocol,
359 DBUS_TYPE_STRING, &address,
360 DBUS_TYPE_UINT32, &flags,
361 DBUS_TYPE_INVALID) ||
362 dbus_error_is_set (&error)) {
363 fprintf(stderr, "Failed to parse resolver event.\n");
368 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
369 fprintf(stderr, "Failed to parse address\n");
373 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, &a, (AvahiLookupResultFlags) flags, r->userdata);
377 case AVAHI_RESOLVER_FAILURE: {
380 if (!dbus_message_get_args(
382 DBUS_TYPE_STRING, &etxt,
383 DBUS_TYPE_INVALID) ||
384 dbus_error_is_set (&error)) {
385 fprintf(stderr, "Failed to parse resolver event.\n");
389 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
390 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, 0, r->userdata);
395 return DBUS_HANDLER_RESULT_HANDLED;
398 dbus_error_free (&error);
399 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
403 AvahiHostNameResolver * avahi_host_name_resolver_new(
405 AvahiIfIndex interface,
406 AvahiProtocol protocol,
408 AvahiProtocol aprotocol,
409 AvahiLookupFlags flags,
410 AvahiHostNameResolverCallback callback,
414 AvahiHostNameResolver *r = NULL;
415 DBusMessage *message = NULL, *reply = NULL;
416 int32_t i_interface, i_protocol, i_aprotocol;
423 dbus_error_init (&error);
425 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
426 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
430 if (!(r = avahi_new(AvahiHostNameResolver, 1))) {
431 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
436 r->callback = callback;
437 r->userdata = userdata;
440 AVAHI_LLIST_PREPEND(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
442 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew"))) {
443 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
447 i_interface = (int32_t) interface;
448 i_protocol = (int32_t) protocol;
449 i_aprotocol = (int32_t) aprotocol;
450 u_flags = (uint32_t) flags;
452 if (!(dbus_message_append_args(
454 DBUS_TYPE_INT32, &i_interface,
455 DBUS_TYPE_INT32, &i_protocol,
456 DBUS_TYPE_STRING, &name,
457 DBUS_TYPE_INT32, &i_aprotocol,
458 DBUS_TYPE_UINT32, &u_flags,
459 DBUS_TYPE_INVALID))) {
460 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
464 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
465 dbus_error_is_set(&error)) {
466 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
470 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
471 dbus_error_is_set(&error) ||
473 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
477 if (!(r->path = avahi_strdup(path))) {
479 /* FIXME: We don't remove the object on the server side */
481 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
485 dbus_message_unref(message);
486 dbus_message_unref(reply);
492 if (dbus_error_is_set(&error)) {
493 avahi_client_set_dbus_error(client, &error);
494 dbus_error_free(&error);
498 avahi_host_name_resolver_free(r);
501 dbus_message_unref(message);
504 dbus_message_unref(reply);
510 int avahi_host_name_resolver_free(AvahiHostNameResolver *r) {
517 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
518 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free");
520 AVAHI_LLIST_REMOVE(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
528 AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
534 /* AvahiAddressResolver implementation */
536 DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
537 AvahiAddressResolver *r = NULL;
544 dbus_error_init (&error);
546 if (!(path = dbus_message_get_path(message)))
549 for (r = client->address_resolvers; r; r = r->address_resolvers_next)
550 if (strcmp (r->path, path) == 0)
557 case AVAHI_RESOLVER_FOUND: {
558 int32_t interface, protocol, aprotocol;
560 char *name, *address;
563 if (!dbus_message_get_args(
565 DBUS_TYPE_INT32, &interface,
566 DBUS_TYPE_INT32, &protocol,
567 DBUS_TYPE_INT32, &aprotocol,
568 DBUS_TYPE_STRING, &address,
569 DBUS_TYPE_STRING, &name,
570 DBUS_TYPE_UINT32, &flags,
571 DBUS_TYPE_INVALID) ||
572 dbus_error_is_set (&error)) {
573 fprintf(stderr, "Failed to parse resolver event.\n");
578 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
579 fprintf(stderr, "Failed to parse address\n");
583 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, (AvahiProtocol) aprotocol, &a, name, (AvahiLookupResultFlags) flags, r->userdata);
587 case AVAHI_RESOLVER_FAILURE: {
590 if (!dbus_message_get_args(
592 DBUS_TYPE_STRING, &etxt,
593 DBUS_TYPE_INVALID) ||
594 dbus_error_is_set (&error)) {
595 fprintf(stderr, "Failed to parse resolver event.\n");
599 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
600 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, AVAHI_PROTO_UNSPEC, NULL, NULL, 0, r->userdata);
605 return DBUS_HANDLER_RESULT_HANDLED;
608 dbus_error_free (&error);
609 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
612 AvahiAddressResolver * avahi_address_resolver_new_a(
614 AvahiIfIndex interface,
615 AvahiProtocol protocol,
616 const AvahiAddress *a,
617 AvahiLookupFlags flags,
618 AvahiAddressResolverCallback callback,
625 if (!avahi_address_snprint (addr, sizeof (addr), a)) {
626 avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
630 return avahi_address_resolver_new(
631 client, interface, protocol,
636 AvahiAddressResolver * avahi_address_resolver_new(
638 AvahiIfIndex interface,
639 AvahiProtocol protocol,
641 AvahiLookupFlags flags,
642 AvahiAddressResolverCallback callback,
646 AvahiAddressResolver *r = NULL;
647 DBusMessage *message = NULL, *reply = NULL;
648 int32_t i_interface, i_protocol;
654 dbus_error_init (&error);
656 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
657 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
661 if (!(r = avahi_new(AvahiAddressResolver, 1))) {
662 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
667 r->callback = callback;
668 r->userdata = userdata;
671 AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
673 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
674 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
678 i_interface = (int32_t) interface;
679 i_protocol = (int32_t) protocol;
680 u_flags = (uint32_t) flags;
682 if (!(dbus_message_append_args(
684 DBUS_TYPE_INT32, &i_interface,
685 DBUS_TYPE_INT32, &i_protocol,
686 DBUS_TYPE_STRING, &address,
687 DBUS_TYPE_UINT32, &u_flags,
688 DBUS_TYPE_INVALID))) {
689 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
693 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
694 dbus_error_is_set(&error)) {
695 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
699 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
700 dbus_error_is_set(&error) ||
702 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
706 if (!(r->path = avahi_strdup(path))) {
708 /* FIXME: We don't remove the object on the server side */
710 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
714 dbus_message_unref(message);
715 dbus_message_unref(reply);
721 if (dbus_error_is_set(&error)) {
722 avahi_client_set_dbus_error(client, &error);
723 dbus_error_free(&error);
727 avahi_address_resolver_free(r);
730 dbus_message_unref(message);
733 dbus_message_unref(reply);
739 AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) {
745 int avahi_address_resolver_free(AvahiAddressResolver *r) {
752 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
753 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free");
755 AVAHI_LLIST_REMOVE(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);