default: esd is obsolete, hence don't load it anymore by default
[pulseaudio-mirror.git] / src / modules / module-zeroconf-publish.c
blob0c20cf6c58f366ec3825f9ed6084d91bafd37f7d
1 /***
2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it 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 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 USA.
20 ***/
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <unistd.h>
30 #include <avahi-client/client.h>
31 #include <avahi-client/publish.h>
32 #include <avahi-common/alternative.h>
33 #include <avahi-common/error.h>
34 #include <avahi-common/domain.h>
36 #include <pulse/xmalloc.h>
37 #include <pulse/util.h>
39 #include <pulsecore/parseaddr.h>
40 #include <pulsecore/sink.h>
41 #include <pulsecore/source.h>
42 #include <pulsecore/native-common.h>
43 #include <pulsecore/core-util.h>
44 #include <pulsecore/log.h>
45 #include <pulsecore/dynarray.h>
46 #include <pulsecore/modargs.h>
47 #include <pulsecore/avahi-wrap.h>
48 #include <pulsecore/protocol-native.h>
50 #include "module-zeroconf-publish-symdef.h"
52 PA_MODULE_AUTHOR("Lennart Poettering");
53 PA_MODULE_DESCRIPTION("mDNS/DNS-SD Service Publisher");
54 PA_MODULE_VERSION(PACKAGE_VERSION);
55 PA_MODULE_LOAD_ONCE(TRUE);
57 #define SERVICE_TYPE_SINK "_pulse-sink._tcp"
58 #define SERVICE_TYPE_SOURCE "_pulse-source._tcp"
59 #define SERVICE_TYPE_SERVER "_pulse-server._tcp"
60 #define SERVICE_SUBTYPE_SINK_HARDWARE "_hardware._sub."SERVICE_TYPE_SINK
61 #define SERVICE_SUBTYPE_SINK_VIRTUAL "_virtual._sub."SERVICE_TYPE_SINK
62 #define SERVICE_SUBTYPE_SOURCE_HARDWARE "_hardware._sub."SERVICE_TYPE_SOURCE
63 #define SERVICE_SUBTYPE_SOURCE_VIRTUAL "_virtual._sub."SERVICE_TYPE_SOURCE
64 #define SERVICE_SUBTYPE_SOURCE_MONITOR "_monitor._sub."SERVICE_TYPE_SOURCE
65 #define SERVICE_SUBTYPE_SOURCE_NON_MONITOR "_non-monitor._sub."SERVICE_TYPE_SOURCE
67 static const char* const valid_modargs[] = {
68 NULL
71 enum service_subtype {
72 SUBTYPE_HARDWARE,
73 SUBTYPE_VIRTUAL,
74 SUBTYPE_MONITOR
77 struct service {
78 struct userdata *userdata;
79 AvahiEntryGroup *entry_group;
80 char *service_name;
81 pa_object *device;
82 enum service_subtype subtype;
85 struct userdata {
86 pa_core *core;
87 pa_module *module;
89 AvahiPoll *avahi_poll;
90 AvahiClient *client;
92 pa_hashmap *services;
93 char *service_name;
95 AvahiEntryGroup *main_entry_group;
97 pa_hook_slot *sink_new_slot, *source_new_slot, *sink_unlink_slot, *source_unlink_slot, *sink_changed_slot, *source_changed_slot;
99 pa_native_protocol *native;
102 static void get_service_data(struct service *s, pa_sample_spec *ret_ss, pa_channel_map *ret_map, const char **ret_name, pa_proplist **ret_proplist, enum service_subtype *ret_subtype) {
103 pa_assert(s);
104 pa_assert(ret_ss);
105 pa_assert(ret_proplist);
106 pa_assert(ret_subtype);
108 if (pa_sink_isinstance(s->device)) {
109 pa_sink *sink = PA_SINK(s->device);
111 *ret_ss = sink->sample_spec;
112 *ret_map = sink->channel_map;
113 *ret_name = sink->name;
114 *ret_proplist = sink->proplist;
115 *ret_subtype = sink->flags & PA_SINK_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL;
117 } else if (pa_source_isinstance(s->device)) {
118 pa_source *source = PA_SOURCE(s->device);
120 *ret_ss = source->sample_spec;
121 *ret_map = source->channel_map;
122 *ret_name = source->name;
123 *ret_proplist = source->proplist;
124 *ret_subtype = source->monitor_of ? SUBTYPE_MONITOR : (source->flags & PA_SOURCE_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL);
126 } else
127 pa_assert_not_reached();
130 static AvahiStringList* txt_record_server_data(pa_core *c, AvahiStringList *l) {
131 char s[128];
132 char *t;
134 pa_assert(c);
136 l = avahi_string_list_add_pair(l, "server-version", PACKAGE_NAME" "PACKAGE_VERSION);
138 t = pa_get_user_name_malloc();
139 l = avahi_string_list_add_pair(l, "user-name", t);
140 pa_xfree(t);
142 t = pa_machine_id();
143 l = avahi_string_list_add_pair(l, "machine-id", t);
144 pa_xfree(t);
146 t = pa_uname_string();
147 l = avahi_string_list_add_pair(l, "uname", t);
148 pa_xfree(t);
150 l = avahi_string_list_add_pair(l, "fqdn", pa_get_fqdn(s, sizeof(s)));
151 l = avahi_string_list_add_printf(l, "cookie=0x%08x", c->cookie);
153 return l;
156 static int publish_service(struct service *s);
158 static void service_entry_group_callback(AvahiEntryGroup *g, AvahiEntryGroupState state, void *userdata) {
159 struct service *s = userdata;
161 pa_assert(s);
163 switch (state) {
165 case AVAHI_ENTRY_GROUP_ESTABLISHED:
166 pa_log_info("Successfully established service %s.", s->service_name);
167 break;
169 case AVAHI_ENTRY_GROUP_COLLISION: {
170 char *t;
172 t = avahi_alternative_service_name(s->service_name);
173 pa_log_info("Name collision, renaming %s to %s.", s->service_name, t);
174 pa_xfree(s->service_name);
175 s->service_name = t;
177 publish_service(s);
178 break;
181 case AVAHI_ENTRY_GROUP_FAILURE: {
182 pa_log("Failed to register service: %s", avahi_strerror(avahi_client_errno(avahi_entry_group_get_client(g))));
184 avahi_entry_group_free(g);
185 s->entry_group = NULL;
187 break;
190 case AVAHI_ENTRY_GROUP_UNCOMMITED:
191 case AVAHI_ENTRY_GROUP_REGISTERING:
196 static void service_free(struct service *s);
198 static uint16_t compute_port(struct userdata *u) {
199 pa_strlist *i;
201 pa_assert(u);
203 for (i = pa_native_protocol_servers(u->native); i; i = pa_strlist_next(i)) {
204 pa_parsed_address a;
206 if (pa_parse_address(pa_strlist_data(i), &a) >= 0 &&
207 (a.type == PA_PARSED_ADDRESS_TCP4 ||
208 a.type == PA_PARSED_ADDRESS_TCP6 ||
209 a.type == PA_PARSED_ADDRESS_TCP_AUTO) &&
210 a.port > 0) {
212 pa_xfree(a.path_or_host);
213 return a.port;
216 pa_xfree(a.path_or_host);
219 return PA_NATIVE_DEFAULT_PORT;
222 static int publish_service(struct service *s) {
223 int r = -1;
224 AvahiStringList *txt = NULL;
225 const char *name = NULL, *t;
226 pa_proplist *proplist = NULL;
227 pa_sample_spec ss;
228 pa_channel_map map;
229 char cm[PA_CHANNEL_MAP_SNPRINT_MAX];
230 enum service_subtype subtype;
232 const char * const subtype_text[] = {
233 [SUBTYPE_HARDWARE] = "hardware",
234 [SUBTYPE_VIRTUAL] = "virtual",
235 [SUBTYPE_MONITOR] = "monitor"
238 pa_assert(s);
240 if (!s->userdata->client || avahi_client_get_state(s->userdata->client) != AVAHI_CLIENT_S_RUNNING)
241 return 0;
243 if (!s->entry_group) {
244 if (!(s->entry_group = avahi_entry_group_new(s->userdata->client, service_entry_group_callback, s))) {
245 pa_log("avahi_entry_group_new(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
246 goto finish;
248 } else
249 avahi_entry_group_reset(s->entry_group);
251 txt = txt_record_server_data(s->userdata->core, txt);
253 get_service_data(s, &ss, &map, &name, &proplist, &subtype);
254 txt = avahi_string_list_add_pair(txt, "device", name);
255 txt = avahi_string_list_add_printf(txt, "rate=%u", ss.rate);
256 txt = avahi_string_list_add_printf(txt, "channels=%u", ss.channels);
257 txt = avahi_string_list_add_pair(txt, "format", pa_sample_format_to_string(ss.format));
258 txt = avahi_string_list_add_pair(txt, "channel_map", pa_channel_map_snprint(cm, sizeof(cm), &map));
259 txt = avahi_string_list_add_pair(txt, "subtype", subtype_text[subtype]);
261 if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_DESCRIPTION)))
262 txt = avahi_string_list_add_pair(txt, "description", t);
263 if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_ICON_NAME)))
264 txt = avahi_string_list_add_pair(txt, "icon-name", t);
265 if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_VENDOR_NAME)))
266 txt = avahi_string_list_add_pair(txt, "vendor-name", t);
267 if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_PRODUCT_NAME)))
268 txt = avahi_string_list_add_pair(txt, "product-name", t);
269 if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_CLASS)))
270 txt = avahi_string_list_add_pair(txt, "class", t);
271 if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_FORM_FACTOR)))
272 txt = avahi_string_list_add_pair(txt, "form-factor", t);
274 if (avahi_entry_group_add_service_strlst(
275 s->entry_group,
276 AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
278 s->service_name,
279 pa_sink_isinstance(s->device) ? SERVICE_TYPE_SINK : SERVICE_TYPE_SOURCE,
280 NULL,
281 NULL,
282 compute_port(s->userdata),
283 txt) < 0) {
285 pa_log("avahi_entry_group_add_service_strlst(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
286 goto finish;
289 if (avahi_entry_group_add_service_subtype(
290 s->entry_group,
291 AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
293 s->service_name,
294 pa_sink_isinstance(s->device) ? SERVICE_TYPE_SINK : SERVICE_TYPE_SOURCE,
295 NULL,
296 pa_sink_isinstance(s->device) ? (subtype == SUBTYPE_HARDWARE ? SERVICE_SUBTYPE_SINK_HARDWARE : SERVICE_SUBTYPE_SINK_VIRTUAL) :
297 (subtype == SUBTYPE_HARDWARE ? SERVICE_SUBTYPE_SOURCE_HARDWARE : (subtype == SUBTYPE_VIRTUAL ? SERVICE_SUBTYPE_SOURCE_VIRTUAL : SERVICE_SUBTYPE_SOURCE_MONITOR))) < 0) {
299 pa_log("avahi_entry_group_add_service_subtype(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
300 goto finish;
303 if (pa_source_isinstance(s->device) && subtype != SUBTYPE_MONITOR) {
304 if (avahi_entry_group_add_service_subtype(
305 s->entry_group,
306 AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
308 s->service_name,
309 SERVICE_TYPE_SOURCE,
310 NULL,
311 SERVICE_SUBTYPE_SOURCE_NON_MONITOR) < 0) {
313 pa_log("avahi_entry_group_add_service_subtype(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
314 goto finish;
318 if (avahi_entry_group_commit(s->entry_group) < 0) {
319 pa_log("avahi_entry_group_commit(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
320 goto finish;
323 r = 0;
324 pa_log_debug("Successfully created entry group for %s.", s->service_name);
326 finish:
328 /* Remove this service */
329 if (r < 0)
330 service_free(s);
332 avahi_string_list_free(txt);
334 return r;
337 static struct service *get_service(struct userdata *u, pa_object *device) {
338 struct service *s;
339 char *hn, *un;
340 const char *n;
342 pa_assert(u);
343 pa_object_assert_ref(device);
345 if ((s = pa_hashmap_get(u->services, device)))
346 return s;
348 s = pa_xnew(struct service, 1);
349 s->userdata = u;
350 s->entry_group = NULL;
351 s->device = device;
353 if (pa_sink_isinstance(device)) {
354 if (!(n = pa_proplist_gets(PA_SINK(device)->proplist, PA_PROP_DEVICE_DESCRIPTION)))
355 n = PA_SINK(device)->name;
356 } else {
357 if (!(n = pa_proplist_gets(PA_SOURCE(device)->proplist, PA_PROP_DEVICE_DESCRIPTION)))
358 n = PA_SOURCE(device)->name;
361 hn = pa_get_host_name_malloc();
362 un = pa_get_user_name_malloc();
364 s->service_name = pa_truncate_utf8(pa_sprintf_malloc("%s@%s: %s", un, hn, n), AVAHI_LABEL_MAX-1);
366 pa_xfree(un);
367 pa_xfree(hn);
369 pa_hashmap_put(u->services, s->device, s);
371 return s;
374 static void service_free(struct service *s) {
375 pa_assert(s);
377 pa_hashmap_remove(s->userdata->services, s->device);
379 if (s->entry_group) {
380 pa_log_debug("Removing entry group for %s.", s->service_name);
381 avahi_entry_group_free(s->entry_group);
384 pa_xfree(s->service_name);
385 pa_xfree(s);
388 static pa_bool_t shall_ignore(pa_object *o) {
389 pa_object_assert_ref(o);
391 if (pa_sink_isinstance(o))
392 return !!(PA_SINK(o)->flags & PA_SINK_NETWORK);
394 if (pa_source_isinstance(o))
395 return PA_SOURCE(o)->monitor_of || (PA_SOURCE(o)->flags & PA_SOURCE_NETWORK);
397 pa_assert_not_reached();
400 static pa_hook_result_t device_new_or_changed_cb(pa_core *c, pa_object *o, struct userdata *u) {
401 pa_assert(c);
402 pa_object_assert_ref(o);
404 if (!shall_ignore(o))
405 publish_service(get_service(u, o));
407 return PA_HOOK_OK;
410 static pa_hook_result_t device_unlink_cb(pa_core *c, pa_object *o, struct userdata *u) {
411 struct service *s;
413 pa_assert(c);
414 pa_object_assert_ref(o);
416 if ((s = pa_hashmap_get(u->services, o)))
417 service_free(s);
419 return PA_HOOK_OK;
422 static int publish_main_service(struct userdata *u);
424 static void main_entry_group_callback(AvahiEntryGroup *g, AvahiEntryGroupState state, void *userdata) {
425 struct userdata *u = userdata;
426 pa_assert(u);
428 switch (state) {
430 case AVAHI_ENTRY_GROUP_ESTABLISHED:
431 pa_log_info("Successfully established main service.");
432 break;
434 case AVAHI_ENTRY_GROUP_COLLISION: {
435 char *t;
437 t = avahi_alternative_service_name(u->service_name);
438 pa_log_info("Name collision: renaming main service %s to %s.", u->service_name, t);
439 pa_xfree(u->service_name);
440 u->service_name = t;
442 publish_main_service(u);
443 break;
446 case AVAHI_ENTRY_GROUP_FAILURE: {
447 pa_log("Failed to register main service: %s", avahi_strerror(avahi_client_errno(avahi_entry_group_get_client(g))));
449 avahi_entry_group_free(g);
450 u->main_entry_group = NULL;
451 break;
454 case AVAHI_ENTRY_GROUP_UNCOMMITED:
455 case AVAHI_ENTRY_GROUP_REGISTERING:
456 break;
460 static int publish_main_service(struct userdata *u) {
461 AvahiStringList *txt = NULL;
462 int r = -1;
464 pa_assert(u);
466 if (!u->main_entry_group) {
467 if (!(u->main_entry_group = avahi_entry_group_new(u->client, main_entry_group_callback, u))) {
468 pa_log("avahi_entry_group_new() failed: %s", avahi_strerror(avahi_client_errno(u->client)));
469 goto fail;
471 } else
472 avahi_entry_group_reset(u->main_entry_group);
474 txt = txt_record_server_data(u->core, txt);
476 if (avahi_entry_group_add_service_strlst(
477 u->main_entry_group,
478 AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
480 u->service_name,
481 SERVICE_TYPE_SERVER,
482 NULL,
483 NULL,
484 compute_port(u),
485 txt) < 0) {
487 pa_log("avahi_entry_group_add_service_strlst() failed: %s", avahi_strerror(avahi_client_errno(u->client)));
488 goto fail;
491 if (avahi_entry_group_commit(u->main_entry_group) < 0) {
492 pa_log("avahi_entry_group_commit() failed: %s", avahi_strerror(avahi_client_errno(u->client)));
493 goto fail;
496 r = 0;
498 fail:
499 avahi_string_list_free(txt);
501 return r;
504 static int publish_all_services(struct userdata *u) {
505 pa_sink *sink;
506 pa_source *source;
507 int r = -1;
508 uint32_t idx;
510 pa_assert(u);
512 pa_log_debug("Publishing services in Zeroconf");
514 for (sink = PA_SINK(pa_idxset_first(u->core->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(u->core->sinks, &idx)))
515 if (!shall_ignore(PA_OBJECT(sink)))
516 publish_service(get_service(u, PA_OBJECT(sink)));
518 for (source = PA_SOURCE(pa_idxset_first(u->core->sources, &idx)); source; source = PA_SOURCE(pa_idxset_next(u->core->sources, &idx)))
519 if (!shall_ignore(PA_OBJECT(source)))
520 publish_service(get_service(u, PA_OBJECT(source)));
522 if (publish_main_service(u) < 0)
523 goto fail;
525 r = 0;
527 fail:
528 return r;
531 static void unpublish_all_services(struct userdata *u, pa_bool_t rem) {
532 void *state = NULL;
533 struct service *s;
535 pa_assert(u);
537 pa_log_debug("Unpublishing services in Zeroconf");
539 while ((s = pa_hashmap_iterate(u->services, &state, NULL))) {
540 if (s->entry_group) {
541 if (rem) {
542 pa_log_debug("Removing entry group for %s.", s->service_name);
543 avahi_entry_group_free(s->entry_group);
544 s->entry_group = NULL;
545 } else {
546 avahi_entry_group_reset(s->entry_group);
547 pa_log_debug("Resetting entry group for %s.", s->service_name);
552 if (u->main_entry_group) {
553 if (rem) {
554 pa_log_debug("Removing main entry group.");
555 avahi_entry_group_free(u->main_entry_group);
556 u->main_entry_group = NULL;
557 } else {
558 avahi_entry_group_reset(u->main_entry_group);
559 pa_log_debug("Resetting main entry group.");
564 static void client_callback(AvahiClient *c, AvahiClientState state, void *userdata) {
565 struct userdata *u = userdata;
567 pa_assert(c);
568 pa_assert(u);
570 u->client = c;
572 switch (state) {
573 case AVAHI_CLIENT_S_RUNNING:
574 publish_all_services(u);
575 break;
577 case AVAHI_CLIENT_S_COLLISION:
578 pa_log_debug("Host name collision");
579 unpublish_all_services(u, FALSE);
580 break;
582 case AVAHI_CLIENT_FAILURE:
583 if (avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED) {
584 int error;
586 pa_log_debug("Avahi daemon disconnected.");
588 unpublish_all_services(u, TRUE);
589 avahi_client_free(u->client);
591 if (!(u->client = avahi_client_new(u->avahi_poll, AVAHI_CLIENT_NO_FAIL, client_callback, u, &error))) {
592 pa_log("avahi_client_new() failed: %s", avahi_strerror(error));
593 pa_module_unload_request(u->module, TRUE);
597 break;
599 default: ;
603 int pa__init(pa_module*m) {
605 struct userdata *u;
606 pa_modargs *ma = NULL;
607 char *hn, *un;
608 int error;
610 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
611 pa_log("Failed to parse module arguments.");
612 goto fail;
615 m->userdata = u = pa_xnew(struct userdata, 1);
616 u->core = m->core;
617 u->module = m;
618 u->native = pa_native_protocol_get(u->core);
620 u->avahi_poll = pa_avahi_poll_new(m->core->mainloop);
622 u->services = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
624 u->sink_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
625 u->sink_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
626 u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) device_unlink_cb, u);
627 u->source_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
628 u->source_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
629 u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) device_unlink_cb, u);
631 u->main_entry_group = NULL;
633 un = pa_get_user_name_malloc();
634 hn = pa_get_host_name_malloc();
635 u->service_name = pa_truncate_utf8(pa_sprintf_malloc("%s@%s", un, hn), AVAHI_LABEL_MAX-1);
636 pa_xfree(un);
637 pa_xfree(hn);
639 if (!(u->client = avahi_client_new(u->avahi_poll, AVAHI_CLIENT_NO_FAIL, client_callback, u, &error))) {
640 pa_log("avahi_client_new() failed: %s", avahi_strerror(error));
641 goto fail;
644 pa_modargs_free(ma);
646 return 0;
648 fail:
649 pa__done(m);
651 if (ma)
652 pa_modargs_free(ma);
654 return -1;
657 void pa__done(pa_module*m) {
658 struct userdata*u;
659 pa_assert(m);
661 if (!(u = m->userdata))
662 return;
664 if (u->services) {
665 struct service *s;
667 while ((s = pa_hashmap_first(u->services)))
668 service_free(s);
670 pa_hashmap_free(u->services, NULL, NULL);
673 if (u->sink_new_slot)
674 pa_hook_slot_free(u->sink_new_slot);
675 if (u->source_new_slot)
676 pa_hook_slot_free(u->source_new_slot);
677 if (u->sink_changed_slot)
678 pa_hook_slot_free(u->sink_changed_slot);
679 if (u->source_changed_slot)
680 pa_hook_slot_free(u->source_changed_slot);
681 if (u->sink_unlink_slot)
682 pa_hook_slot_free(u->sink_unlink_slot);
683 if (u->source_unlink_slot)
684 pa_hook_slot_free(u->source_unlink_slot);
686 if (u->main_entry_group)
687 avahi_entry_group_free(u->main_entry_group);
689 if (u->client)
690 avahi_client_free(u->client);
692 if (u->avahi_poll)
693 pa_avahi_poll_free(u->avahi_poll);
695 if (u->native)
696 pa_native_protocol_unref(u->native);
698 pa_xfree(u->service_name);
699 pa_xfree(u);