• Home
  • History
  • Annotate
  • Raw
  • Download
  • only in /netgear-R7000-V1.0.7.12_1.2.5/ap/gpl/iserver/avahi-0.6.25/avahi-client/

Lines Matching defs:*

0 /* $Id$ */
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
19 USA.
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
26 #include <stdlib.h>
27 #include <stdio.h>
28 #include <string.h>
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>
38 #include "client.h"
39 #include "internal.h"
41 /* AvahiServiceResolver implementation */
43 DBusHandlerResult avahi_service_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
44 AvahiServiceResolver *r = NULL;
45 DBusError error;
46 const char *path;
47 AvahiStringList *strlst = NULL;
49 assert(client);
50 assert(message);
52 dbus_error_init (&error);
54 if (!(path = dbus_message_get_path(message)))
55 goto fail;
57 for (r = client->service_resolvers; r; r = r->service_resolvers_next)
58 if (strcmp (r->path, path) == 0)
59 break;
61 if (!r)
62 goto fail;
64 switch (event) {
65 case AVAHI_RESOLVER_FOUND: {
66 int j;
67 int32_t interface, protocol, aprotocol;
68 uint32_t flags;
69 char *name, *type, *domain, *host, *address;
70 uint16_t port;
71 DBusMessageIter iter, sub;
72 AvahiAddress a;
74 if (!dbus_message_get_args(
75 message, &error,
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,
85 DBUS_TYPE_INVALID) ||
86 dbus_error_is_set (&error)) {
88 fprintf(stderr, "Failed to parse resolver event.\n");
89 goto fail;
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");
100 goto fail;
103 strlst = NULL;
104 dbus_message_iter_recurse(&iter, &sub);
106 for (;;) {
107 DBusMessageIter sub2;
108 int at;
109 const uint8_t *k;
110 int n;
112 if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
113 break;
115 assert(at == DBUS_TYPE_ARRAY);
117 if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) {
118 fprintf(stderr, "Error parsing service resolving message\n");
119 goto fail;
122 dbus_message_iter_recurse(&sub, &sub2);
124 k = NULL; n = 0;
125 dbus_message_iter_get_fixed_array(&sub2, &k, &n);
126 if (k && n > 0)
127 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");
136 goto fail;
139 dbus_message_iter_get_basic(&iter, &flags);
141 assert(address);
143 if (address[0] == 0)
144 address = NULL;
145 else
146 avahi_address_parse(address, (AvahiProtocol) aprotocol, &a);
148 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, address ? &a : NULL, port, strlst, (AvahiLookupResultFlags) flags, r->userdata);
150 avahi_string_list_free(strlst);
151 break;
154 case AVAHI_RESOLVER_FAILURE: {
155 char *etxt;
157 if (!dbus_message_get_args(
158 message, &error,
159 DBUS_TYPE_STRING, &etxt,
160 DBUS_TYPE_INVALID) ||
161 dbus_error_is_set (&error)) {
162 fprintf(stderr, "Failed to parse resolver event.\n");
163 goto fail;
166 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
167 r->callback(r, r->interface, r->protocol, event, r->name, r->type, r->domain, NULL, NULL, 0, NULL, 0, r->userdata);
168 break;
172 return DBUS_HANDLER_RESULT_HANDLED;
175 fail:
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(
182 AvahiClient *client,
183 AvahiIfIndex interface,
184 AvahiProtocol protocol,
185 const char *name,
186 const char *type,
187 const char *domain,
188 AvahiProtocol aprotocol,
189 AvahiLookupFlags flags,
190 AvahiServiceResolverCallback callback,
191 void *userdata) {
193 DBusError error;
194 AvahiServiceResolver *r = NULL;
195 DBusMessage *message = NULL, *reply = NULL;
196 int32_t i_interface, i_protocol, i_aprotocol;
197 uint32_t u_flags;
198 char *path;
200 assert(client);
201 assert(type);
203 if (!domain)
204 domain = "";
206 if (!name)
207 name = "";
209 dbus_error_init (&error);
211 if (!avahi_client_is_connected(client)) {
212 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
213 goto fail;
216 if (!(r = avahi_new(AvahiServiceResolver, 1))) {
217 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
218 goto fail;
221 r->client = client;
222 r->callback = callback;
223 r->userdata = userdata;
224 r->path = NULL;
225 r->name = r->type = r->domain = NULL;
226 r->interface = interface;
227 r->protocol = protocol;
229 AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
231 if (name && name[0])
232 if (!(r->name = avahi_strdup(name))) {
233 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
234 goto fail;
237 if (!(r->type = avahi_strdup(type))) {
238 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
239 goto fail;
242 if (domain && domain[0])
243 if (!(r->domain = avahi_strdup(domain))) {
244 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
245 goto fail;
249 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
250 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
251 goto fail;
254 i_interface = (int32_t) interface;
255 i_protocol = (int32_t) protocol;
256 i_aprotocol = (int32_t) aprotocol;
257 u_flags = (uint32_t) flags;
259 if (!(dbus_message_append_args(
260 message,
261 DBUS_TYPE_INT32, &i_interface,
262 DBUS_TYPE_INT32, &i_protocol,
263 DBUS_TYPE_STRING, &name,
264 DBUS_TYPE_STRING, &type,
265 DBUS_TYPE_STRING, &domain,
266 DBUS_TYPE_INT32, &i_aprotocol,
267 DBUS_TYPE_UINT32, &u_flags,
268 DBUS_TYPE_INVALID))) {
269 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
270 goto fail;
273 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
274 dbus_error_is_set(&error)) {
275 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
276 goto fail;
279 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
280 dbus_error_is_set(&error) ||
281 !path) {
282 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
283 goto fail;
286 if (!(r->path = avahi_strdup(path))) {
288 /* FIXME: We don't remove the object on the server side */
290 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
291 goto fail;
295 dbus_message_unref(message);
296 dbus_message_unref(reply);
298 return r;
300 fail:
302 if (dbus_error_is_set(&error)) {
303 avahi_client_set_dbus_error(client, &error);
304 dbus_error_free(&error);
307 if (r)
308 avahi_service_resolver_free(r);
310 if (message)
311 dbus_message_unref(message);
313 if (reply)
314 dbus_message_unref(reply);
316 return NULL;
320 AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) {
321 assert (r);
323 return r->client;
326 int avahi_service_resolver_free(AvahiServiceResolver *r) {
327 AvahiClient *client;
328 int ret = AVAHI_OK;
330 assert(r);
331 client = r->client;
333 if (r->path && avahi_client_is_connected(client))
334 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free");
336 AVAHI_LLIST_REMOVE(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
338 avahi_free(r->path);
339 avahi_free(r->name);
340 avahi_free(r->type);
341 avahi_free(r->domain);
342 avahi_free(r);
344 return ret;
347 /* AvahiHostNameResolver implementation */
349 DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
350 AvahiHostNameResolver *r = NULL;
351 DBusError error;
352 const char *path;
354 assert(client);
355 assert(message);
357 dbus_error_init (&error);
359 if (!(path = dbus_message_get_path(message)))
360 goto fail;
362 for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next)
363 if (strcmp (r->path, path) == 0)
364 break;
366 if (!r)
367 goto fail;
369 switch (event) {
370 case AVAHI_RESOLVER_FOUND: {
371 int32_t interface, protocol, aprotocol;
372 uint32_t flags;
373 char *name, *address;
374 AvahiAddress a;
376 if (!dbus_message_get_args(
377 message, &error,
378 DBUS_TYPE_INT32, &interface,
379 DBUS_TYPE_INT32, &protocol,
380 DBUS_TYPE_STRING, &name,
381 DBUS_TYPE_INT32, &aprotocol,
382 DBUS_TYPE_STRING, &address,
383 DBUS_TYPE_UINT32, &flags,
384 DBUS_TYPE_INVALID) ||
385 dbus_error_is_set (&error)) {
386 fprintf(stderr, "Failed to parse resolver event.\n");
387 goto fail;
390 assert(address);
391 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
392 fprintf(stderr, "Failed to parse address\n");
393 goto fail;
396 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, &a, (AvahiLookupResultFlags) flags, r->userdata);
397 break;
400 case AVAHI_RESOLVER_FAILURE: {
401 char *etxt;
403 if (!dbus_message_get_args(
404 message, &error,
405 DBUS_TYPE_STRING, &etxt,
406 DBUS_TYPE_INVALID) ||
407 dbus_error_is_set (&error)) {
408 fprintf(stderr, "Failed to parse resolver event.\n");
409 goto fail;
412 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
413 r->callback(r, r->interface, r->protocol, event, r->host_name, NULL, 0, r->userdata);
414 break;
418 return DBUS_HANDLER_RESULT_HANDLED;
420 fail:
421 dbus_error_free (&error);
422 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
426 AvahiHostNameResolver * avahi_host_name_resolver_new(
427 AvahiClient *client,
428 AvahiIfIndex interface,
429 AvahiProtocol protocol,
430 const char *name,
431 AvahiProtocol aprotocol,
432 AvahiLookupFlags flags,
433 AvahiHostNameResolverCallback callback,
434 void *userdata) {
436 DBusError error;
437 AvahiHostNameResolver *r = NULL;
438 DBusMessage *message = NULL, *reply = NULL;
439 int32_t i_interface, i_protocol, i_aprotocol;
440 uint32_t u_flags;
441 char *path;
443 assert(client);
444 assert(name);
446 dbus_error_init (&error);
448 if (!avahi_client_is_connected(client)) {
449 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
450 goto fail;
453 if (!(r = avahi_new(AvahiHostNameResolver, 1))) {
454 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
455 goto fail;
458 r->client = client;
459 r->callback = callback;
460 r->userdata = userdata;
461 r->path = NULL;
462 r->interface = interface;
463 r->protocol = protocol;
464 r->host_name = NULL;
466 AVAHI_LLIST_PREPEND(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
468 if (!(r->host_name = avahi_strdup(name))) {
469 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
470 goto fail;
473 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew"))) {
474 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
475 goto fail;
478 i_interface = (int32_t) interface;
479 i_protocol = (int32_t) protocol;
480 i_aprotocol = (int32_t) aprotocol;
481 u_flags = (uint32_t) flags;
483 if (!(dbus_message_append_args(
484 message,
485 DBUS_TYPE_INT32, &i_interface,
486 DBUS_TYPE_INT32, &i_protocol,
487 DBUS_TYPE_STRING, &name,
488 DBUS_TYPE_INT32, &i_aprotocol,
489 DBUS_TYPE_UINT32, &u_flags,
490 DBUS_TYPE_INVALID))) {
491 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
492 goto fail;
495 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
496 dbus_error_is_set(&error)) {
497 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
498 goto fail;
501 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
502 dbus_error_is_set(&error) ||
503 !path) {
504 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
505 goto fail;
508 if (!(r->path = avahi_strdup(path))) {
510 /* FIXME: We don't remove the object on the server side */
512 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
513 goto fail;
516 dbus_message_unref(message);
517 dbus_message_unref(reply);
519 return r;
521 fail:
523 if (dbus_error_is_set(&error)) {
524 avahi_client_set_dbus_error(client, &error);
525 dbus_error_free(&error);
528 if (r)
529 avahi_host_name_resolver_free(r);
531 if (message)
532 dbus_message_unref(message);
534 if (reply)
535 dbus_message_unref(reply);
537 return NULL;
541 int avahi_host_name_resolver_free(AvahiHostNameResolver *r) {
542 int ret = AVAHI_OK;
543 AvahiClient *client;
545 assert(r);
546 client = r->client;
548 if (r->path && avahi_client_is_connected(client))
549 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free");
551 AVAHI_LLIST_REMOVE(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
553 avahi_free(r->path);
554 avahi_free(r->host_name);
555 avahi_free(r);
557 return ret;
560 AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
561 assert (r);
563 return r->client;
566 /* AvahiAddressResolver implementation */
568 DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
569 AvahiAddressResolver *r = NULL;
570 DBusError error;
571 const char *path;
573 assert(client);
574 assert(message);
576 dbus_error_init (&error);
578 if (!(path = dbus_message_get_path(message)))
579 goto fail;
581 for (r = client->address_resolvers; r; r = r->address_resolvers_next)
582 if (strcmp (r->path, path) == 0)
583 break;
585 if (!r)
586 goto fail;
588 switch (event) {
589 case AVAHI_RESOLVER_FOUND: {
590 int32_t interface, protocol, aprotocol;
591 uint32_t flags;
592 char *name, *address;
593 AvahiAddress a;
595 if (!dbus_message_get_args(
596 message, &error,
597 DBUS_TYPE_INT32, &interface,
598 DBUS_TYPE_INT32, &protocol,
599 DBUS_TYPE_INT32, &aprotocol,
600 DBUS_TYPE_STRING, &address,
601 DBUS_TYPE_STRING, &name,
602 DBUS_TYPE_UINT32, &flags,
603 DBUS_TYPE_INVALID) ||
604 dbus_error_is_set (&error)) {
605 fprintf(stderr, "Failed to parse resolver event.\n");
606 goto fail;
609 assert(address);
610 if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
611 fprintf(stderr, "Failed to parse address\n");
612 goto fail;
615 r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, &a, name, (AvahiLookupResultFlags) flags, r->userdata);
616 break;
619 case AVAHI_RESOLVER_FAILURE: {
620 char *etxt;
622 if (!dbus_message_get_args(
623 message, &error,
624 DBUS_TYPE_STRING, &etxt,
625 DBUS_TYPE_INVALID) ||
626 dbus_error_is_set (&error)) {
627 fprintf(stderr, "Failed to parse resolver event.\n");
628 goto fail;
631 avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
632 r->callback(r, r->interface, r->protocol, event, &r->address, NULL, 0, r->userdata);
633 break;
637 return DBUS_HANDLER_RESULT_HANDLED;
639 fail:
640 dbus_error_free (&error);
641 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
644 AvahiAddressResolver * avahi_address_resolver_new(
645 AvahiClient *client,
646 AvahiIfIndex interface,
647 AvahiProtocol protocol,
648 const AvahiAddress *a,
649 AvahiLookupFlags flags,
650 AvahiAddressResolverCallback callback,
651 void *userdata) {
653 DBusError error;
654 AvahiAddressResolver *r = NULL;
655 DBusMessage *message = NULL, *reply = NULL;
656 int32_t i_interface, i_protocol;
657 uint32_t u_flags;
658 char *path;
659 char addr[AVAHI_ADDRESS_STR_MAX], *address = addr;
661 assert(client);
662 assert(a);
664 dbus_error_init (&error);
666 if (!avahi_address_snprint (addr, sizeof(addr), a)) {
667 avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
668 return NULL;
671 if (!avahi_client_is_connected(client)) {
672 avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
673 goto fail;
676 if (!(r = avahi_new(AvahiAddressResolver, 1))) {
677 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
678 goto fail;
681 r->client = client;
682 r->callback = callback;
683 r->userdata = userdata;
684 r->path = NULL;
685 r->interface = interface;
686 r->protocol = protocol;
687 r->address = *a;
689 AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
691 if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
692 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
693 goto fail;
696 i_interface = (int32_t) interface;
697 i_protocol = (int32_t) protocol;
698 u_flags = (uint32_t) flags;
700 if (!(dbus_message_append_args(
701 message,
702 DBUS_TYPE_INT32, &i_interface,
703 DBUS_TYPE_INT32, &i_protocol,
704 DBUS_TYPE_STRING, &address,
705 DBUS_TYPE_UINT32, &u_flags,
706 DBUS_TYPE_INVALID))) {
707 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
708 goto fail;
711 if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
712 dbus_error_is_set(&error)) {
713 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
714 goto fail;
717 if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
718 dbus_error_is_set(&error) ||
719 !path) {
720 avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
721 goto fail;
724 if (!(r->path = avahi_strdup(path))) {
726 /* FIXME: We don't remove the object on the server side */
728 avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
729 goto fail;
732 dbus_message_unref(message);
733 dbus_message_unref(reply);
735 return r;
737 fail:
739 if (dbus_error_is_set(&error)) {
740 avahi_client_set_dbus_error(client, &error);
741 dbus_error_free(&error);
744 if (r)
745 avahi_address_resolver_free(r);
747 if (message)
748 dbus_message_unref(message);
750 if (reply)
751 dbus_message_unref(reply);
753 return NULL;
757 AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) {
758 assert (r);
760 return r->client;
763 int avahi_address_resolver_free(AvahiAddressResolver *r) {
764 AvahiClient *client;
765 int ret = AVAHI_OK;
767 assert(r);
768 client = r->client;
770 if (r->path && avahi_client_is_connected(client))
771 ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free");
773 AVAHI_LLIST_REMOVE(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
775 avahi_free(r->path);
776 avahi_free(r);
778 return ret;