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, flags, protocol, aprotocol;
67 char *name, *type, *domain, *host, *address;
69 DBusMessageIter iter, sub;
72 if (!dbus_message_get_args(
74 DBUS_TYPE_INT32, &interface,
75 DBUS_TYPE_INT32, &protocol,
76 DBUS_TYPE_STRING, &name,
77 DBUS_TYPE_STRING, &type,
78 DBUS_TYPE_STRING, &domain,
79 DBUS_TYPE_STRING, &host,
80 DBUS_TYPE_INT32, &aprotocol,
81 DBUS_TYPE_STRING, &address,
82 DBUS_TYPE_UINT16, &port,
84 dbus_error_is_set (&error)) {
86 fprintf(stderr, "Failed to parse resolver event.\n");
90 dbus_message_iter_init(message, &iter);
92 for (j = 0; j < 9; j++)
93 dbus_message_iter_next(&iter);
95 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
96 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY) {
97 fprintf(stderr, "Error parsing service resolving message\n");
102 dbus_message_iter_recurse(&iter, &sub);
105 DBusMessageIter sub2;
108 if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
111 assert(at == DBUS_TYPE_ARRAY);
113 if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) {
114 fprintf(stderr, "Error parsing service resolving message\n");
118 dbus_message_iter_recurse(&sub, &sub2);
120 if (dbus_message_iter_get_array_len(&sub2) > 0) {
124 dbus_message_iter_get_fixed_array(&sub2, &k, &n);
125 strlst = avahi_string_list_add_arbitrary(strlst, k, n);
128 dbus_message_iter_next(&sub);
131 dbus_message_iter_next(&iter);
133 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_INT32) {
134 fprintf(stderr, "Failed to parse resolver event. XXX %i\n", dbus_message_iter_get_arg_type(&iter));
138 dbus_message_iter_get_basic(&iter, &flags);
141 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
142 fprintf(stderr, "Failed to parse address\n");
146 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, &a, port, strlst, (AvahiLookupResultFlags) flags, r->userdata);
148 avahi_string_list_free(strlst);
151 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, NULL, NULL, NULL, 0, NULL, 0, r->userdata);
153 return DBUS_HANDLER_RESULT_HANDLED;
157 dbus_error_free (&error);
158 avahi_string_list_free(strlst);
159 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;
177 DBusMessage *message = NULL, *reply = NULL;
178 int32_t i_interface, i_protocol, i_aprotocol, i_flags;
190 dbus_error_init (&error);
192 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
193 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
197 if (!(r = avahi_new(AvahiServiceResolver, 1))) {
198 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
203 r->callback = callback;
204 r->userdata = userdata;
207 AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
209 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
210 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
214 i_interface = (int32_t) interface;
215 i_protocol = (int32_t) protocol;
216 i_aprotocol = (int32_t) aprotocol;
217 i_flags = (int32_t) flags;
219 if (!(dbus_message_append_args(
221 DBUS_TYPE_INT32, &i_interface,
222 DBUS_TYPE_INT32, &i_protocol,
223 DBUS_TYPE_STRING, &name,
224 DBUS_TYPE_STRING, &type,
225 DBUS_TYPE_STRING, &domain,
226 DBUS_TYPE_INT32, &i_aprotocol,
227 DBUS_TYPE_INT32, &i_flags,
228 DBUS_TYPE_INVALID))) {
229 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
233 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
234 dbus_error_is_set(&error)) {
235 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
239 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
240 dbus_error_is_set(&error) ||
242 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
246 if (!(r->path = avahi_strdup(path))) {
248 /* FIXME: We don't remove the object on the server side */
250 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
255 dbus_message_unref(message);
256 dbus_message_unref(reply);
262 if (dbus_error_is_set(&error)) {
263 avahi_client_set_dbus_error(client, &error);
264 dbus_error_free(&error);
268 avahi_service_resolver_free(r);
271 dbus_message_unref(message);
274 dbus_message_unref(reply);
280 AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) {
286 int avahi_service_resolver_free(AvahiServiceResolver *r) {
293 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
294 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free");
296 AVAHI_LLIST_REMOVE(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
304 /* AvahiHostNameResolver implementation */
306 DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
307 AvahiHostNameResolver *r = NULL;
314 dbus_error_init (&error);
316 if (!(path = dbus_message_get_path(message)))
319 for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next)
320 if (strcmp (r->path, path) == 0)
326 if (event == AVAHI_RESOLVER_FOUND) {
327 int32_t interface, protocol, aprotocol, flags;
328 char *name, *address;
331 if (!dbus_message_get_args(
333 DBUS_TYPE_INT32, &interface,
334 DBUS_TYPE_INT32, &protocol,
335 DBUS_TYPE_STRING, &name,
336 DBUS_TYPE_INT32, &aprotocol,
337 DBUS_TYPE_STRING, &address,
338 DBUS_TYPE_INT32, &flags,
339 DBUS_TYPE_INVALID) ||
340 dbus_error_is_set (&error)) {
341 fprintf(stderr, "Failed to parse resolver event.\n");
346 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
347 fprintf(stderr, "Failed to parse address\n");
351 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, &a, flags, r->userdata);
354 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, 0, r->userdata);
356 return DBUS_HANDLER_RESULT_HANDLED;
359 dbus_error_free (&error);
360 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
364 AvahiHostNameResolver * avahi_host_name_resolver_new(
366 AvahiIfIndex interface,
367 AvahiProtocol protocol,
369 AvahiProtocol aprotocol,
370 AvahiLookupFlags flags,
371 AvahiHostNameResolverCallback callback,
375 AvahiHostNameResolver *r;
376 DBusMessage *message = NULL, *reply = NULL;
377 int32_t i_interface, i_protocol, i_aprotocol, i_flags;
383 dbus_error_init (&error);
385 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
386 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
390 if (!(r = avahi_new(AvahiHostNameResolver, 1))) {
391 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
396 r->callback = callback;
397 r->userdata = userdata;
400 AVAHI_LLIST_PREPEND(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
402 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew"))) {
403 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
407 i_interface = (int32_t) interface;
408 i_protocol = (int32_t) protocol;
409 i_aprotocol = (int32_t) aprotocol;
410 i_flags = (int32_t) flags;
412 if (!(dbus_message_append_args(
414 DBUS_TYPE_INT32, &i_interface,
415 DBUS_TYPE_INT32, &i_protocol,
416 DBUS_TYPE_STRING, &name,
417 DBUS_TYPE_INT32, &i_aprotocol,
418 DBUS_TYPE_INT32, &i_flags,
419 DBUS_TYPE_INVALID))) {
420 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
424 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
425 dbus_error_is_set(&error)) {
426 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
430 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
431 dbus_error_is_set(&error) ||
433 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
437 if (!(r->path = avahi_strdup(path))) {
439 /* FIXME: We don't remove the object on the server side */
441 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
445 dbus_message_unref(message);
446 dbus_message_unref(reply);
452 if (dbus_error_is_set(&error)) {
453 avahi_client_set_dbus_error(client, &error);
454 dbus_error_free(&error);
458 avahi_host_name_resolver_free(r);
461 dbus_message_unref(message);
464 dbus_message_unref(reply);
470 int avahi_host_name_resolver_free(AvahiHostNameResolver *r) {
477 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
478 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free");
480 AVAHI_LLIST_REMOVE(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
488 AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
494 /* AvahiAddressResolver implementation */
496 DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
497 AvahiAddressResolver *r = NULL;
504 dbus_error_init (&error);
506 if (!(path = dbus_message_get_path(message)))
509 for (r = client->address_resolvers; r; r = r->address_resolvers_next)
510 if (strcmp (r->path, path) == 0)
516 if (event == AVAHI_RESOLVER_FOUND) {
517 int32_t interface, protocol, aprotocol, flags;
518 char *name, *address;
521 if (!dbus_message_get_args(
523 DBUS_TYPE_INT32, &interface,
524 DBUS_TYPE_INT32, &protocol,
525 DBUS_TYPE_INT32, &aprotocol,
526 DBUS_TYPE_STRING, &address,
527 DBUS_TYPE_STRING, &name,
528 DBUS_TYPE_INT32, &flags,
529 DBUS_TYPE_INVALID) ||
530 dbus_error_is_set (&error)) {
531 fprintf(stderr, "Failed to parse resolver event.\n");
536 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
537 fprintf(stderr, "Failed to parse address\n");
541 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, (AvahiProtocol) aprotocol, &a, name, (AvahiLookupResultFlags) flags, r->userdata);
543 r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, AVAHI_PROTO_UNSPEC, NULL, NULL, 0, r->userdata);
545 return DBUS_HANDLER_RESULT_HANDLED;
548 dbus_error_free (&error);
549 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
552 AvahiAddressResolver * avahi_address_resolver_new_a(
554 AvahiIfIndex interface,
555 AvahiProtocol protocol,
556 const AvahiAddress *a,
557 AvahiLookupFlags flags,
558 AvahiAddressResolverCallback callback,
565 if (!avahi_address_snprint (addr, sizeof (addr), a)) {
566 avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
570 return avahi_address_resolver_new(
571 client, interface, protocol,
576 AvahiAddressResolver * avahi_address_resolver_new(
578 AvahiIfIndex interface,
579 AvahiProtocol protocol,
581 AvahiLookupFlags flags,
582 AvahiAddressResolverCallback callback,
586 AvahiAddressResolver *r;
587 DBusMessage *message = NULL, *reply = NULL;
588 int32_t i_interface, i_protocol, i_flags;
593 dbus_error_init (&error);
595 if (client->state == AVAHI_CLIENT_DISCONNECTED) {
596 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
600 if (!(r = avahi_new(AvahiAddressResolver, 1))) {
601 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
606 r->callback = callback;
607 r->userdata = userdata;
610 AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
612 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
613 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
617 i_interface = (int32_t) interface;
618 i_protocol = (int32_t) protocol;
619 i_flags = (int32_t) flags;
621 if (!(dbus_message_append_args(
623 DBUS_TYPE_INT32, &i_interface,
624 DBUS_TYPE_INT32, &i_protocol,
625 DBUS_TYPE_STRING, &address,
626 DBUS_TYPE_INT32, &i_flags,
627 DBUS_TYPE_INVALID))) {
628 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
632 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
633 dbus_error_is_set(&error)) {
634 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
638 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
639 dbus_error_is_set(&error) ||
641 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
645 if (!(r->path = avahi_strdup(path))) {
647 /* FIXME: We don't remove the object on the server side */
649 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
653 dbus_message_unref(message);
654 dbus_message_unref(reply);
660 if (dbus_error_is_set(&error)) {
661 avahi_client_set_dbus_error(client, &error);
662 dbus_error_free(&error);
666 avahi_address_resolver_free(r);
669 dbus_message_unref(message);
672 dbus_message_unref(reply);
678 AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) {
684 int avahi_address_resolver_free(AvahiAddressResolver *r) {
691 if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED)
692 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free");
694 AVAHI_LLIST_REMOVE(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);