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Merge remote branch 'vudentz2/master'
[pulseaudio] / src / modules / bluetooth / bluetooth-util.c
1 /***
2 This file is part of PulseAudio.
3
4 Copyright 2008-2009 Joao Paulo Rechi Vita
5
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.
10
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.
15
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 ***/
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include <pulsecore/core-util.h>
27 #include <pulsecore/shared.h>
28 #include <pulsecore/dbus-shared.h>
29
30 #include "bluetooth-util.h"
31 #include "ipc.h"
32
33 #define HFP_AG_ENDPOINT "/MediaEndpoint/HFPAG"
34 #define A2DP_SOURCE_ENDPOINT "/MediaEndpoint/A2DPSource"
35 #define A2DP_SINK_ENDPOINT "/MediaEndpoint/A2DPSink"
36
37 #define ENDPOINT_INTROSPECT_XML \
38 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
39 "<node>" \
40 " <interface name=\"org.bluez.MediaEndpoint\">" \
41 " <method name=\"SetConfiguration\">" \
42 " <arg name=\"transport\" direction=\"in\" type=\"o\"/>" \
43 " <arg name=\"configuration\" direction=\"in\" type=\"ay\"/>" \
44 " </method>" \
45 " <method name=\"SelectConfiguration\">" \
46 " <arg name=\"capabilities\" direction=\"in\" type=\"ay\"/>" \
47 " <arg name=\"configuration\" direction=\"out\" type=\"ay\"/>" \
48 " </method>" \
49 " <method name=\"ClearConfiguration\">" \
50 " </method>" \
51 " <method name=\"Release\">" \
52 " </method>" \
53 " </interface>" \
54 " <interface name=\"org.freedesktop.DBus.Introspectable\">" \
55 " <method name=\"Introspect\">" \
56 " <arg name=\"data\" type=\"s\" direction=\"out\"/>" \
57 " </method>" \
58 " </interface>" \
59 "</node>"
60
61 #define MAX_BITPOOL 64
62 #define MIN_BITPOOL 2U
63
64 struct pa_bluetooth_discovery {
65 PA_REFCNT_DECLARE;
66
67 pa_core *core;
68 pa_dbus_connection *connection;
69 PA_LLIST_HEAD(pa_dbus_pending, pending);
70 pa_hashmap *devices;
71 pa_hook hook;
72 pa_bool_t filter_added;
73 };
74
75 static void get_properties_reply(DBusPendingCall *pending, void *userdata);
76 static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessage *m, DBusPendingCallNotifyFunction func);
77
78 static pa_bt_audio_state_t pa_bt_audio_state_from_string(const char* value) {
79 pa_assert(value);
80
81 if (pa_streq(value, "disconnected"))
82 return PA_BT_AUDIO_STATE_DISCONNECTED;
83 else if (pa_streq(value, "connecting"))
84 return PA_BT_AUDIO_STATE_CONNECTING;
85 else if (pa_streq(value, "connected"))
86 return PA_BT_AUDIO_STATE_CONNECTED;
87 else if (pa_streq(value, "playing"))
88 return PA_BT_AUDIO_STATE_PLAYING;
89
90 return PA_BT_AUDIO_STATE_INVALID;
91 }
92
93 static pa_bluetooth_uuid *uuid_new(const char *uuid) {
94 pa_bluetooth_uuid *u;
95
96 u = pa_xnew(pa_bluetooth_uuid, 1);
97 u->uuid = pa_xstrdup(uuid);
98 PA_LLIST_INIT(pa_bluetooth_uuid, u);
99
100 return u;
101 }
102
103 static void uuid_free(pa_bluetooth_uuid *u) {
104 pa_assert(u);
105
106 pa_xfree(u->uuid);
107 pa_xfree(u);
108 }
109
110 static pa_bluetooth_device* device_new(const char *path) {
111 pa_bluetooth_device *d;
112
113 d = pa_xnew(pa_bluetooth_device, 1);
114
115 d->dead = FALSE;
116
117 d->device_info_valid = 0;
118
119 d->name = NULL;
120 d->path = pa_xstrdup(path);
121 d->transports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
122 d->paired = -1;
123 d->alias = NULL;
124 d->device_connected = -1;
125 PA_LLIST_HEAD_INIT(pa_bluetooth_uuid, d->uuids);
126 d->address = NULL;
127 d->class = -1;
128 d->trusted = -1;
129
130 d->audio_state = PA_BT_AUDIO_STATE_INVALID;
131 d->audio_sink_state = PA_BT_AUDIO_STATE_INVALID;
132 d->audio_source_state = PA_BT_AUDIO_STATE_INVALID;
133 d->headset_state = PA_BT_AUDIO_STATE_INVALID;
134 d->hfgw_state = PA_BT_AUDIO_STATE_INVALID;
135
136 return d;
137 }
138
139 static void transport_free(pa_bluetooth_transport *t) {
140 pa_assert(t);
141
142 pa_xfree(t->path);
143 pa_xfree(t->config);
144 pa_xfree(t);
145 }
146
147 static void device_free(pa_bluetooth_device *d) {
148 pa_bluetooth_uuid *u;
149 pa_bluetooth_transport *t;
150
151 pa_assert(d);
152
153 while ((t = pa_hashmap_steal_first(d->transports)))
154 transport_free(t);
155
156 pa_hashmap_free(d->transports, NULL, NULL);
157
158 while ((u = d->uuids)) {
159 PA_LLIST_REMOVE(pa_bluetooth_uuid, d->uuids, u);
160 uuid_free(u);
161 }
162
163 pa_xfree(d->name);
164 pa_xfree(d->path);
165 pa_xfree(d->alias);
166 pa_xfree(d->address);
167 pa_xfree(d);
168 }
169
170 static pa_bool_t device_is_audio(pa_bluetooth_device *d) {
171 pa_assert(d);
172
173 return
174 d->device_info_valid && (d->hfgw_state != PA_BT_AUDIO_STATE_INVALID ||
175 (d->audio_state != PA_BT_AUDIO_STATE_INVALID &&
176 (d->audio_sink_state != PA_BT_AUDIO_STATE_INVALID ||
177 d->audio_source_state != PA_BT_AUDIO_STATE_INVALID ||
178 d->headset_state != PA_BT_AUDIO_STATE_INVALID)));
179 }
180
181 static int parse_device_property(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessageIter *i) {
182 const char *key;
183 DBusMessageIter variant_i;
184
185 pa_assert(y);
186 pa_assert(d);
187 pa_assert(i);
188
189 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
190 pa_log("Property name not a string.");
191 return -1;
192 }
193
194 dbus_message_iter_get_basic(i, &key);
195
196 if (!dbus_message_iter_next(i)) {
197 pa_log("Property value missing");
198 return -1;
199 }
200
201 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
202 pa_log("Property value not a variant.");
203 return -1;
204 }
205
206 dbus_message_iter_recurse(i, &variant_i);
207
208 /* pa_log_debug("Parsing property org.bluez.Device.%s", key); */
209
210 switch (dbus_message_iter_get_arg_type(&variant_i)) {
211
212 case DBUS_TYPE_STRING: {
213
214 const char *value;
215 dbus_message_iter_get_basic(&variant_i, &value);
216
217 if (pa_streq(key, "Name")) {
218 pa_xfree(d->name);
219 d->name = pa_xstrdup(value);
220 } else if (pa_streq(key, "Alias")) {
221 pa_xfree(d->alias);
222 d->alias = pa_xstrdup(value);
223 } else if (pa_streq(key, "Address")) {
224 pa_xfree(d->address);
225 d->address = pa_xstrdup(value);
226 }
227
228 /* pa_log_debug("Value %s", value); */
229
230 break;
231 }
232
233 case DBUS_TYPE_BOOLEAN: {
234
235 dbus_bool_t value;
236 dbus_message_iter_get_basic(&variant_i, &value);
237
238 if (pa_streq(key, "Paired"))
239 d->paired = !!value;
240 else if (pa_streq(key, "Connected"))
241 d->device_connected = !!value;
242 else if (pa_streq(key, "Trusted"))
243 d->trusted = !!value;
244
245 /* pa_log_debug("Value %s", pa_yes_no(value)); */
246
247 break;
248 }
249
250 case DBUS_TYPE_UINT32: {
251
252 uint32_t value;
253 dbus_message_iter_get_basic(&variant_i, &value);
254
255 if (pa_streq(key, "Class"))
256 d->class = (int) value;
257
258 /* pa_log_debug("Value %u", (unsigned) value); */
259
260 break;
261 }
262
263 case DBUS_TYPE_ARRAY: {
264
265 DBusMessageIter ai;
266 dbus_message_iter_recurse(&variant_i, &ai);
267
268 if (dbus_message_iter_get_arg_type(&ai) == DBUS_TYPE_STRING &&
269 pa_streq(key, "UUIDs")) {
270
271 while (dbus_message_iter_get_arg_type(&ai) != DBUS_TYPE_INVALID) {
272 pa_bluetooth_uuid *node;
273 const char *value;
274 DBusMessage *m;
275
276 dbus_message_iter_get_basic(&ai, &value);
277 node = uuid_new(value);
278 PA_LLIST_PREPEND(pa_bluetooth_uuid, d->uuids, node);
279
280 /* Vudentz said the interfaces are here when the UUIDs are announced */
281 if (strcasecmp(HSP_AG_UUID, value) == 0 || strcasecmp(HFP_AG_UUID, value) == 0) {
282 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.HandsfreeGateway", "GetProperties"));
283 send_and_add_to_pending(y, d, m, get_properties_reply);
284 } else if (strcasecmp(HSP_HS_UUID, value) == 0 || strcasecmp(HFP_HS_UUID, value) == 0) {
285 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.Headset", "GetProperties"));
286 send_and_add_to_pending(y, d, m, get_properties_reply);
287 } else if (strcasecmp(A2DP_SINK_UUID, value) == 0) {
288 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.AudioSink", "GetProperties"));
289 send_and_add_to_pending(y, d, m, get_properties_reply);
290 } else if (strcasecmp(A2DP_SOURCE_UUID, value) == 0) {
291 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.AudioSource", "GetProperties"));
292 send_and_add_to_pending(y, d, m, get_properties_reply);
293 }
294
295 /* this might eventually be racy if .Audio is not there yet, but the State change will come anyway later, so this call is for cold-detection mostly */
296 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.Audio", "GetProperties"));
297 send_and_add_to_pending(y, d, m, get_properties_reply);
298
299 if (!dbus_message_iter_next(&ai))
300 break;
301 }
302 }
303
304 break;
305 }
306 }
307
308 return 0;
309 }
310
311 static int parse_audio_property(pa_bluetooth_discovery *u, int *state, DBusMessageIter *i) {
312 const char *key;
313 DBusMessageIter variant_i;
314
315 pa_assert(u);
316 pa_assert(state);
317 pa_assert(i);
318
319 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
320 pa_log("Property name not a string.");
321 return -1;
322 }
323
324 dbus_message_iter_get_basic(i, &key);
325
326 if (!dbus_message_iter_next(i)) {
327 pa_log("Property value missing");
328 return -1;
329 }
330
331 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
332 pa_log("Property value not a variant.");
333 return -1;
334 }
335
336 dbus_message_iter_recurse(i, &variant_i);
337
338 /* pa_log_debug("Parsing property org.bluez.{Audio|AudioSink|AudioSource|Headset}.%s", key); */
339
340 switch (dbus_message_iter_get_arg_type(&variant_i)) {
341
342 case DBUS_TYPE_STRING: {
343
344 const char *value;
345 dbus_message_iter_get_basic(&variant_i, &value);
346
347 if (pa_streq(key, "State")) {
348 *state = pa_bt_audio_state_from_string(value);
349 pa_log_debug("dbus: property 'State' changed to value '%s'", value);
350 }
351
352 break;
353 }
354 }
355
356 return 0;
357 }
358
359 static void run_callback(pa_bluetooth_discovery *y, pa_bluetooth_device *d, pa_bool_t dead) {
360 pa_assert(y);
361 pa_assert(d);
362
363 if (!device_is_audio(d))
364 return;
365
366 d->dead = dead;
367 pa_hook_fire(&y->hook, d);
368 }
369
370 static void remove_all_devices(pa_bluetooth_discovery *y) {
371 pa_bluetooth_device *d;
372
373 pa_assert(y);
374
375 while ((d = pa_hashmap_steal_first(y->devices))) {
376 run_callback(y, d, TRUE);
377 device_free(d);
378 }
379 }
380
381 static pa_bluetooth_device *found_device(pa_bluetooth_discovery *y, const char* path) {
382 DBusMessage *m;
383 pa_bluetooth_device *d;
384
385 pa_assert(y);
386 pa_assert(path);
387
388 d = pa_hashmap_get(y->devices, path);
389 if (d)
390 return d;
391
392 d = device_new(path);
393
394 pa_hashmap_put(y->devices, d->path, d);
395
396 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Device", "GetProperties"));
397 send_and_add_to_pending(y, d, m, get_properties_reply);
398
399 /* Before we read the other properties (Audio, AudioSink, AudioSource,
400 * Headset) we wait that the UUID is read */
401 return d;
402 }
403
404 static void get_properties_reply(DBusPendingCall *pending, void *userdata) {
405 DBusMessage *r;
406 DBusMessageIter arg_i, element_i;
407 pa_dbus_pending *p;
408 pa_bluetooth_device *d;
409 pa_bluetooth_discovery *y;
410 int valid;
411
412 pa_assert_se(p = userdata);
413 pa_assert_se(y = p->context_data);
414 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
415
416 /* pa_log_debug("Got %s.GetProperties response for %s", */
417 /* dbus_message_get_interface(p->message), */
418 /* dbus_message_get_path(p->message)); */
419
420 /* We don't use p->call_data here right-away since the device
421 * might already be invalidated at this point */
422
423 if (!(d = pa_hashmap_get(y->devices, dbus_message_get_path(p->message))))
424 return;
425
426 pa_assert(p->call_data == d);
427
428 valid = dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR ? -1 : 1;
429
430 if (dbus_message_is_method_call(p->message, "org.bluez.Device", "GetProperties"))
431 d->device_info_valid = valid;
432
433 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
434 pa_log_debug("Bluetooth daemon is apparently not available.");
435 remove_all_devices(y);
436 goto finish2;
437 }
438
439 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
440
441 if (!dbus_message_is_error(r, DBUS_ERROR_UNKNOWN_METHOD))
442 pa_log("Error from GetProperties reply: %s", dbus_message_get_error_name(r));
443
444 goto finish;
445 }
446
447 if (!dbus_message_iter_init(r, &arg_i)) {
448 pa_log("GetProperties reply has no arguments.");
449 goto finish;
450 }
451
452 if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
453 pa_log("GetProperties argument is not an array.");
454 goto finish;
455 }
456
457 dbus_message_iter_recurse(&arg_i, &element_i);
458 while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
459
460 if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
461 DBusMessageIter dict_i;
462
463 dbus_message_iter_recurse(&element_i, &dict_i);
464
465 if (dbus_message_has_interface(p->message, "org.bluez.Device")) {
466 if (parse_device_property(y, d, &dict_i) < 0)
467 goto finish;
468
469 } else if (dbus_message_has_interface(p->message, "org.bluez.Audio")) {
470 if (parse_audio_property(y, &d->audio_state, &dict_i) < 0)
471 goto finish;
472
473 } else if (dbus_message_has_interface(p->message, "org.bluez.Headset")) {
474 if (parse_audio_property(y, &d->headset_state, &dict_i) < 0)
475 goto finish;
476
477 } else if (dbus_message_has_interface(p->message, "org.bluez.AudioSink")) {
478 if (parse_audio_property(y, &d->audio_sink_state, &dict_i) < 0)
479 goto finish;
480
481 } else if (dbus_message_has_interface(p->message, "org.bluez.AudioSource")) {
482 if (parse_audio_property(y, &d->audio_source_state, &dict_i) < 0)
483 goto finish;
484
485 } else if (dbus_message_has_interface(p->message, "org.bluez.HandsfreeGateway")) {
486 if (parse_audio_property(y, &d->hfgw_state, &arg_i) < 0)
487 goto finish;
488
489 }
490 }
491
492 if (!dbus_message_iter_next(&element_i))
493 break;
494 }
495
496 finish:
497 run_callback(y, d, FALSE);
498
499 finish2:
500 dbus_message_unref(r);
501
502 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
503 pa_dbus_pending_free(p);
504 }
505
506 static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessage *m, DBusPendingCallNotifyFunction func) {
507 pa_dbus_pending *p;
508 DBusPendingCall *call;
509
510 pa_assert(y);
511 pa_assert(m);
512
513 pa_assert_se(dbus_connection_send_with_reply(pa_dbus_connection_get(y->connection), m, &call, -1));
514
515 p = pa_dbus_pending_new(pa_dbus_connection_get(y->connection), m, call, y, d);
516 PA_LLIST_PREPEND(pa_dbus_pending, y->pending, p);
517 dbus_pending_call_set_notify(call, func, p, NULL);
518
519 return p;
520 }
521
522 static void register_endpoint_reply(DBusPendingCall *pending, void *userdata) {
523 DBusError e;
524 DBusMessage *r;
525 pa_dbus_pending *p;
526 pa_bluetooth_discovery *y;
527
528 pa_assert(pending);
529
530 dbus_error_init(&e);
531
532 pa_assert_se(p = userdata);
533 pa_assert_se(y = p->context_data);
534 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
535
536 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
537 pa_log_debug("Bluetooth daemon is apparently not available.");
538 remove_all_devices(y);
539 goto finish;
540 }
541
542 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
543 pa_log("Error from RegisterEndpoint reply: %s", dbus_message_get_error_name(r));
544 goto finish;
545 }
546
547 finish:
548 dbus_message_unref(r);
549
550 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
551 pa_dbus_pending_free(p);
552 }
553
554 static void list_devices_reply(DBusPendingCall *pending, void *userdata) {
555 DBusError e;
556 DBusMessage *r;
557 char **paths = NULL;
558 int num = -1;
559 pa_dbus_pending *p;
560 pa_bluetooth_discovery *y;
561
562 pa_assert(pending);
563
564 dbus_error_init(&e);
565
566 pa_assert_se(p = userdata);
567 pa_assert_se(y = p->context_data);
568 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
569
570 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
571 pa_log_debug("Bluetooth daemon is apparently not available.");
572 remove_all_devices(y);
573 goto finish;
574 }
575
576 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
577 pa_log("Error from ListDevices reply: %s", dbus_message_get_error_name(r));
578 goto finish;
579 }
580
581 if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
582 pa_log("org.bluez.Adapter.ListDevices returned an error: '%s'\n", e.message);
583 dbus_error_free(&e);
584 } else {
585 int i;
586
587 for (i = 0; i < num; ++i)
588 found_device(y, paths[i]);
589 }
590
591 finish:
592 if (paths)
593 dbus_free_string_array (paths);
594
595 dbus_message_unref(r);
596
597 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
598 pa_dbus_pending_free(p);
599 }
600
601 static void append_variant(DBusMessageIter *iter, int type, const void *val)
602 {
603 DBusMessageIter value;
604 char sig[2] = { type, '\0' };
605
606 dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, sig, &value);
607
608 dbus_message_iter_append_basic(&value, type, val);
609
610 dbus_message_iter_close_container(iter, &value);
611 }
612
613 static void append_array_variant(DBusMessageIter *iter, int type, const void *val, int n_elements)
614 {
615 DBusMessageIter variant, array;
616 char type_sig[2] = { type, '\0' };
617 char array_sig[3] = { DBUS_TYPE_ARRAY, type, '\0' };
618
619 dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, array_sig, &variant);
620
621 dbus_message_iter_open_container(&variant, DBUS_TYPE_ARRAY, type_sig, &array);
622
623 dbus_message_iter_append_fixed_array(&array, type, val, n_elements);
624
625 dbus_message_iter_close_container(&variant, &array);
626
627 dbus_message_iter_close_container(iter, &variant);
628 }
629
630 static void dict_append_entry(DBusMessageIter *dict, const char *key, int type, void *val)
631 {
632 DBusMessageIter entry;
633
634 if (type == DBUS_TYPE_STRING) {
635 const char *str = *((const char **) val);
636 if (str == NULL)
637 return;
638 }
639
640 dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY, NULL, &entry);
641
642 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
643
644 append_variant(&entry, type, val);
645
646 dbus_message_iter_close_container(dict, &entry);
647 }
648
649 static void dict_append_array(DBusMessageIter *dict, const char *key, int type, void *val, int n_elements)
650 {
651 DBusMessageIter entry;
652
653 dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY, NULL, &entry);
654
655 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
656
657 append_array_variant(&entry, type, val, n_elements);
658
659 dbus_message_iter_close_container(dict, &entry);
660 }
661
662 static void register_endpoint(pa_bluetooth_discovery *y, const char *path, const char *endpoint, const char *uuid)
663 {
664 DBusMessage *m;
665 DBusMessageIter i, d;
666 uint8_t codec = 0;
667
668 pa_log_debug("Registering %s on adapter %s.", endpoint, path);
669
670 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Media", "RegisterEndpoint"));
671
672 dbus_message_iter_init_append(m, &i);
673
674 dbus_message_iter_append_basic(&i, DBUS_TYPE_OBJECT_PATH, &endpoint);
675
676 dbus_message_iter_open_container(&i, DBUS_TYPE_ARRAY, DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
677 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
678 &d);
679
680 dict_append_entry(&d, "UUID", DBUS_TYPE_STRING, &uuid);
681
682 dict_append_entry(&d, "Codec", DBUS_TYPE_BYTE, &codec);
683
684 if (pa_streq(uuid, HFP_AG_UUID)) {
685 uint8_t *caps = NULL;
686 dict_append_array(&d, "Capabilities", DBUS_TYPE_BYTE, &caps, 0);
687 } else {
688 sbc_capabilities_raw_t capabilities;
689 uint8_t *caps = (uint8_t *) &capabilities;
690
691 capabilities.channel_mode = BT_A2DP_CHANNEL_MODE_MONO | BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL |
692 BT_A2DP_CHANNEL_MODE_STEREO | BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
693 capabilities.frequency = BT_SBC_SAMPLING_FREQ_16000 | BT_SBC_SAMPLING_FREQ_32000 |
694 BT_SBC_SAMPLING_FREQ_44100 | BT_SBC_SAMPLING_FREQ_48000;
695 capabilities.allocation_method = BT_A2DP_ALLOCATION_SNR | BT_A2DP_ALLOCATION_LOUDNESS;
696 capabilities.subbands = BT_A2DP_SUBBANDS_4 | BT_A2DP_SUBBANDS_8;
697 capabilities.block_length = BT_A2DP_BLOCK_LENGTH_4 | BT_A2DP_BLOCK_LENGTH_8 |
698 BT_A2DP_BLOCK_LENGTH_12 | BT_A2DP_BLOCK_LENGTH_16;
699 capabilities.min_bitpool = MIN_BITPOOL;
700 capabilities.max_bitpool = MAX_BITPOOL;
701
702 dict_append_array(&d, "Capabilities", DBUS_TYPE_BYTE, &caps, sizeof(capabilities));
703 }
704
705 dbus_message_iter_close_container(&i, &d);
706
707 send_and_add_to_pending(y, NULL, m, register_endpoint_reply);
708 }
709
710 static void found_adapter(pa_bluetooth_discovery *y, const char *path) {
711 DBusMessage *m;
712
713 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Adapter", "ListDevices"));
714 send_and_add_to_pending(y, NULL, m, list_devices_reply);
715
716 #ifdef DBUS_TYPE_UNIX_FD
717 register_endpoint(y, path, HFP_AG_ENDPOINT, HFP_AG_UUID);
718 register_endpoint(y, path, A2DP_SOURCE_ENDPOINT, A2DP_SOURCE_UUID);
719 register_endpoint(y, path, A2DP_SINK_ENDPOINT, A2DP_SINK_UUID);
720 #endif
721 }
722
723 static void list_adapters_reply(DBusPendingCall *pending, void *userdata) {
724 DBusError e;
725 DBusMessage *r;
726 char **paths = NULL;
727 int num = -1;
728 pa_dbus_pending *p;
729 pa_bluetooth_discovery *y;
730
731 pa_assert(pending);
732
733 dbus_error_init(&e);
734
735 pa_assert_se(p = userdata);
736 pa_assert_se(y = p->context_data);
737 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
738
739 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
740 pa_log_debug("Bluetooth daemon is apparently not available.");
741 remove_all_devices(y);
742 goto finish;
743 }
744
745 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
746 pa_log("Error from ListAdapters reply: %s", dbus_message_get_error_name(r));
747 goto finish;
748 }
749
750 if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
751 pa_log("org.bluez.Manager.ListAdapters returned an error: %s", e.message);
752 dbus_error_free(&e);
753 } else {
754 int i;
755
756 for (i = 0; i < num; ++i)
757 found_adapter(y, paths[i]);
758 }
759
760 finish:
761 if (paths)
762 dbus_free_string_array (paths);
763
764 dbus_message_unref(r);
765
766 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
767 pa_dbus_pending_free(p);
768 }
769
770 static void list_adapters(pa_bluetooth_discovery *y) {
771 DBusMessage *m;
772 pa_assert(y);
773
774 pa_assert_se(m = dbus_message_new_method_call("org.bluez", "/", "org.bluez.Manager", "ListAdapters"));
775 send_and_add_to_pending(y, NULL, m, list_adapters_reply);
776 }
777
778 static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *userdata) {
779 DBusError err;
780 pa_bluetooth_discovery *y;
781
782 pa_assert(bus);
783 pa_assert(m);
784
785 pa_assert_se(y = userdata);
786
787 dbus_error_init(&err);
788
789 pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
790 dbus_message_get_interface(m),
791 dbus_message_get_path(m),
792 dbus_message_get_member(m));
793
794 if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceRemoved")) {
795 const char *path;
796 pa_bluetooth_device *d;
797
798 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
799 pa_log("Failed to parse org.bluez.Adapter.DeviceRemoved: %s", err.message);
800 goto fail;
801 }
802
803 pa_log_debug("Device %s removed", path);
804
805 if ((d = pa_hashmap_remove(y->devices, path))) {
806 run_callback(y, d, TRUE);
807 device_free(d);
808 }
809
810 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
811
812 } else if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceCreated")) {
813 const char *path;
814
815 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
816 pa_log("Failed to parse org.bluez.Adapter.DeviceCreated: %s", err.message);
817 goto fail;
818 }
819
820 pa_log_debug("Device %s created", path);
821
822 found_device(y, path);
823 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
824
825 } else if (dbus_message_is_signal(m, "org.bluez.Manager", "AdapterAdded")) {
826 const char *path;
827
828 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
829 pa_log("Failed to parse org.bluez.Manager.AdapterAdded: %s", err.message);
830 goto fail;
831 }
832
833 pa_log_debug("Adapter %s created", path);
834
835 found_adapter(y, path);
836 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
837
838 } else if (dbus_message_is_signal(m, "org.bluez.Audio", "PropertyChanged") ||
839 dbus_message_is_signal(m, "org.bluez.Headset", "PropertyChanged") ||
840 dbus_message_is_signal(m, "org.bluez.AudioSink", "PropertyChanged") ||
841 dbus_message_is_signal(m, "org.bluez.AudioSource", "PropertyChanged") ||
842 dbus_message_is_signal(m, "org.bluez.HandsfreeGateway", "PropertyChanged") ||
843 dbus_message_is_signal(m, "org.bluez.Device", "PropertyChanged")) {
844
845 pa_bluetooth_device *d;
846
847 if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
848 DBusMessageIter arg_i;
849
850 if (!dbus_message_iter_init(m, &arg_i)) {
851 pa_log("Failed to parse PropertyChanged: %s", err.message);
852 goto fail;
853 }
854
855 if (dbus_message_has_interface(m, "org.bluez.Device")) {
856 if (parse_device_property(y, d, &arg_i) < 0)
857 goto fail;
858
859 } else if (dbus_message_has_interface(m, "org.bluez.Audio")) {
860 if (parse_audio_property(y, &d->audio_state, &arg_i) < 0)
861 goto fail;
862
863 } else if (dbus_message_has_interface(m, "org.bluez.Headset")) {
864 if (parse_audio_property(y, &d->headset_state, &arg_i) < 0)
865 goto fail;
866
867 } else if (dbus_message_has_interface(m, "org.bluez.AudioSink")) {
868 if (parse_audio_property(y, &d->audio_sink_state, &arg_i) < 0)
869 goto fail;
870
871 } else if (dbus_message_has_interface(m, "org.bluez.AudioSource")) {
872 if (parse_audio_property(y, &d->audio_source_state, &arg_i) < 0)
873 goto fail;
874
875 } else if (dbus_message_has_interface(m, "org.bluez.HandsfreeGateway")) {
876 if (parse_audio_property(y, &d->hfgw_state, &arg_i) < 0)
877 goto fail;
878 }
879
880 run_callback(y, d, FALSE);
881 }
882
883 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
884
885 } else if (dbus_message_is_signal(m, "org.bluez.Device", "DisconnectRequested")) {
886 pa_bluetooth_device *d;
887
888 if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
889 /* Device will disconnect in 2 sec */
890 d->audio_state = PA_BT_AUDIO_STATE_DISCONNECTED;
891 d->audio_sink_state = PA_BT_AUDIO_STATE_DISCONNECTED;
892 d->audio_source_state = PA_BT_AUDIO_STATE_DISCONNECTED;
893 d->headset_state = PA_BT_AUDIO_STATE_DISCONNECTED;
894 d->hfgw_state = PA_BT_AUDIO_STATE_DISCONNECTED;
895
896 run_callback(y, d, FALSE);
897 }
898
899 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
900
901 } else if (dbus_message_is_signal(m, "org.freedesktop.DBus", "NameOwnerChanged")) {
902 const char *name, *old_owner, *new_owner;
903
904 if (!dbus_message_get_args(m, &err,
905 DBUS_TYPE_STRING, &name,
906 DBUS_TYPE_STRING, &old_owner,
907 DBUS_TYPE_STRING, &new_owner,
908 DBUS_TYPE_INVALID)) {
909 pa_log("Failed to parse org.freedesktop.DBus.NameOwnerChanged: %s", err.message);
910 goto fail;
911 }
912
913 if (pa_streq(name, "org.bluez")) {
914 if (old_owner && *old_owner) {
915 pa_log_debug("Bluetooth daemon disappeared.");
916 remove_all_devices(y);
917 }
918
919 if (new_owner && *new_owner) {
920 pa_log_debug("Bluetooth daemon appeared.");
921 list_adapters(y);
922 }
923 }
924
925 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
926 }
927
928 fail:
929 dbus_error_free(&err);
930
931 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
932 }
933
934 const pa_bluetooth_device* pa_bluetooth_discovery_get_by_address(pa_bluetooth_discovery *y, const char* address) {
935 pa_bluetooth_device *d;
936 void *state = NULL;
937
938 pa_assert(y);
939 pa_assert(PA_REFCNT_VALUE(y) > 0);
940 pa_assert(address);
941
942 if (!pa_hook_is_firing(&y->hook))
943 pa_bluetooth_discovery_sync(y);
944
945 while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
946 if (pa_streq(d->address, address))
947 return device_is_audio(d) ? d : NULL;
948
949 return NULL;
950 }
951
952 const pa_bluetooth_device* pa_bluetooth_discovery_get_by_path(pa_bluetooth_discovery *y, const char* path) {
953 pa_bluetooth_device *d;
954
955 pa_assert(y);
956 pa_assert(PA_REFCNT_VALUE(y) > 0);
957 pa_assert(path);
958
959 if (!pa_hook_is_firing(&y->hook))
960 pa_bluetooth_discovery_sync(y);
961
962 if ((d = pa_hashmap_get(y->devices, path)))
963 if (device_is_audio(d))
964 return d;
965
966 return NULL;
967 }
968
969 const pa_bluetooth_transport* pa_bluetooth_discovery_get_transport(pa_bluetooth_discovery *y, const char *path) {
970 pa_bluetooth_device *d;
971 pa_bluetooth_transport *t;
972 void *state = NULL;
973
974 pa_assert(y);
975 pa_assert(PA_REFCNT_VALUE(y) > 0);
976 pa_assert(path);
977
978 while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
979 if ((t = pa_hashmap_get(d->transports, path)))
980 return t;
981
982 return NULL;
983 }
984
985 const pa_bluetooth_transport* pa_bluetooth_device_get_transport(const pa_bluetooth_device *d, enum profile profile) {
986 pa_bluetooth_transport *t;
987 void *state = NULL;
988
989 pa_assert(d);
990
991 while ((t = pa_hashmap_iterate(d->transports, &state, NULL)))
992 if (t->profile == profile)
993 return t;
994
995 return NULL;
996 }
997
998 int pa_bluetooth_transport_acquire(const pa_bluetooth_transport *t, const char *accesstype) {
999 DBusMessage *m, *r;
1000 DBusError err;
1001 int ret;
1002
1003 pa_assert(t);
1004 pa_assert(t->y);
1005
1006 dbus_error_init(&err);
1007
1008 pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Acquire"));
1009 pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
1010 r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
1011
1012 if (dbus_error_is_set(&err) || !r) {
1013 pa_log("Failed to acquire transport fd: %s", err.message);
1014 dbus_error_free(&err);
1015 return -1;
1016 }
1017
1018 if (!dbus_message_get_args(r, &err, DBUS_TYPE_UNIX_FD, &ret, DBUS_TYPE_INVALID)) {
1019 pa_log("Failed to parse org.bluez.MediaTransport.Acquire(): %s", err.message);
1020 ret = -1;
1021 dbus_error_free(&err);
1022 goto fail;
1023 }
1024
1025 fail:
1026 dbus_message_unref(r);
1027 return ret;
1028 }
1029
1030 void pa_bluetooth_transport_release(const pa_bluetooth_transport *t, const char *accesstype) {
1031 DBusMessage *m;
1032 DBusError err;
1033
1034 pa_assert(t);
1035 pa_assert(t->y);
1036
1037 dbus_error_init(&err);
1038
1039 pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Release"));
1040 pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
1041 dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
1042
1043 if (dbus_error_is_set(&err)) {
1044 pa_log("Failed to release transport %s: %s", t->path, err.message);
1045 dbus_error_free(&err);
1046 } else
1047 pa_log_info("Transport %s released", t->path);
1048 }
1049
1050 static int setup_dbus(pa_bluetooth_discovery *y) {
1051 DBusError err;
1052
1053 dbus_error_init(&err);
1054
1055 y->connection = pa_dbus_bus_get(y->core, DBUS_BUS_SYSTEM, &err);
1056
1057 if (dbus_error_is_set(&err) || !y->connection) {
1058 pa_log("Failed to get D-Bus connection: %s", err.message);
1059 dbus_error_free(&err);
1060 return -1;
1061 }
1062
1063 return 0;
1064 }
1065
1066 static pa_bluetooth_transport *transport_new(pa_bluetooth_discovery *y, const char *path, enum profile p, const uint8_t *config, int size) {
1067 pa_bluetooth_transport *t;
1068
1069 t = pa_xnew0(pa_bluetooth_transport, 1);
1070 t->y = y;
1071 t->path = pa_xstrdup(path);
1072 t->profile = p;
1073 t->config_size = size;
1074
1075 if (size > 0) {
1076 t->config = pa_xnew(uint8_t, size);
1077 memcpy(t->config, config, size);
1078 }
1079
1080 return t;
1081 }
1082
1083 static DBusMessage *endpoint_set_configuration(DBusConnection *conn, DBusMessage *m, void *userdata) {
1084 pa_bluetooth_discovery *y = userdata;
1085 pa_bluetooth_device *d;
1086 pa_bluetooth_transport *t;
1087 const char *path, *dev_path = NULL, *uuid = NULL;
1088 uint8_t *config = NULL;
1089 int size = 0;
1090 enum profile p;
1091 DBusMessageIter args, props;
1092 DBusMessage *r;
1093
1094 dbus_message_iter_init(m, &args);
1095
1096 dbus_message_iter_get_basic(&args, &path);
1097 if (!dbus_message_iter_next(&args))
1098 goto fail;
1099
1100 dbus_message_iter_recurse(&args, &props);
1101 if (dbus_message_iter_get_arg_type(&props) != DBUS_TYPE_DICT_ENTRY)
1102 goto fail;
1103
1104 /* Read transport properties */
1105 while (dbus_message_iter_get_arg_type(&props) == DBUS_TYPE_DICT_ENTRY) {
1106 const char *key;
1107 DBusMessageIter value, entry;
1108 int var;
1109
1110 dbus_message_iter_recurse(&props, &entry);
1111 dbus_message_iter_get_basic(&entry, &key);
1112
1113 dbus_message_iter_next(&entry);
1114 dbus_message_iter_recurse(&entry, &value);
1115
1116 var = dbus_message_iter_get_arg_type(&value);
1117 if (strcasecmp(key, "UUID") == 0) {
1118 if (var != DBUS_TYPE_STRING)
1119 goto fail;
1120 dbus_message_iter_get_basic(&value, &uuid);
1121 } else if (strcasecmp(key, "Device") == 0) {
1122 if (var != DBUS_TYPE_OBJECT_PATH)
1123 goto fail;
1124 dbus_message_iter_get_basic(&value, &dev_path);
1125 } else if (strcasecmp(key, "Configuration") == 0) {
1126 DBusMessageIter array;
1127 if (var != DBUS_TYPE_ARRAY)
1128 goto fail;
1129 dbus_message_iter_recurse(&value, &array);
1130 dbus_message_iter_get_fixed_array(&array, &config, &size);
1131 }
1132
1133 dbus_message_iter_next(&props);
1134 }
1135
1136 d = found_device(y, dev_path);
1137 if (!d)
1138 goto fail;
1139
1140 if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
1141 p = PROFILE_HSP;
1142 else if (dbus_message_has_path(m, A2DP_SOURCE_ENDPOINT))
1143 p = PROFILE_A2DP;
1144 else
1145 p = PROFILE_A2DP_SOURCE;
1146
1147 t = transport_new(y, path, p, config, size);
1148 pa_hashmap_put(d->transports, t->path, t);
1149
1150 pa_log_debug("Transport %s profile %d available", t->path, t->profile);
1151
1152 pa_assert_se(r = dbus_message_new_method_return(m));
1153
1154 return r;
1155
1156 fail:
1157 pa_log("org.bluez.MediaEndpoint.SetConfiguration: invalid arguments");
1158 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1159 "Unable to set configuration")));
1160 return r;
1161 }
1162
1163 static DBusMessage *endpoint_clear_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
1164 pa_bluetooth_discovery *y = userdata;
1165 pa_bluetooth_device *d;
1166 pa_bluetooth_transport *t;
1167 void *state = NULL;
1168 DBusMessage *r;
1169 DBusError e;
1170 const char *path;
1171
1172 dbus_error_init(&e);
1173
1174 if (!dbus_message_get_args(m, &e, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
1175 pa_log("org.bluez.MediaEndpoint.ClearConfiguration: %s", e.message);
1176 dbus_error_free(&e);
1177 goto fail;
1178 }
1179
1180 while ((d = pa_hashmap_iterate(y->devices, &state, NULL))) {
1181 if ((t = pa_hashmap_get(d->transports, path))) {
1182 pa_log_debug("Clearing transport %s profile %d", t->path, t->profile);
1183 pa_hashmap_remove(d->transports, t->path);
1184 transport_free(t);
1185 break;
1186 }
1187 }
1188
1189 pa_assert_se(r = dbus_message_new_method_return(m));
1190
1191 return r;
1192
1193 fail:
1194 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1195 "Unable to clear configuration")));
1196 return r;
1197 }
1198
1199 static uint8_t a2dp_default_bitpool(uint8_t freq, uint8_t mode) {
1200
1201 switch (freq) {
1202 case BT_SBC_SAMPLING_FREQ_16000:
1203 case BT_SBC_SAMPLING_FREQ_32000:
1204 return 53;
1205
1206 case BT_SBC_SAMPLING_FREQ_44100:
1207
1208 switch (mode) {
1209 case BT_A2DP_CHANNEL_MODE_MONO:
1210 case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
1211 return 31;
1212
1213 case BT_A2DP_CHANNEL_MODE_STEREO:
1214 case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
1215 return 53;
1216
1217 default:
1218 pa_log_warn("Invalid channel mode %u", mode);
1219 return 53;
1220 }
1221
1222 case BT_SBC_SAMPLING_FREQ_48000:
1223
1224 switch (mode) {
1225 case BT_A2DP_CHANNEL_MODE_MONO:
1226 case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
1227 return 29;
1228
1229 case BT_A2DP_CHANNEL_MODE_STEREO:
1230 case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
1231 return 51;
1232
1233 default:
1234 pa_log_warn("Invalid channel mode %u", mode);
1235 return 51;
1236 }
1237
1238 default:
1239 pa_log_warn("Invalid sampling freq %u", freq);
1240 return 53;
1241 }
1242 }
1243
1244 static DBusMessage *endpoint_select_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
1245 pa_bluetooth_discovery *y = userdata;
1246 sbc_capabilities_raw_t *cap, config;
1247 uint8_t *pconf = (uint8_t *) &config;
1248 int i, size;
1249 DBusMessage *r;
1250 DBusError e;
1251
1252 static const struct {
1253 uint32_t rate;
1254 uint8_t cap;
1255 } freq_table[] = {
1256 { 16000U, BT_SBC_SAMPLING_FREQ_16000 },
1257 { 32000U, BT_SBC_SAMPLING_FREQ_32000 },
1258 { 44100U, BT_SBC_SAMPLING_FREQ_44100 },
1259 { 48000U, BT_SBC_SAMPLING_FREQ_48000 }
1260 };
1261
1262 dbus_error_init(&e);
1263
1264 if (!dbus_message_get_args(m, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &cap, &size, DBUS_TYPE_INVALID)) {
1265 pa_log("org.bluez.MediaEndpoint.SelectConfiguration: %s", e.message);
1266 dbus_error_free(&e);
1267 goto fail;
1268 }
1269
1270 if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
1271 goto done;
1272
1273 pa_assert(size == sizeof(config));
1274
1275 memset(&config, 0, sizeof(config));
1276
1277 /* Find the lowest freq that is at least as high as the requested
1278 * sampling rate */
1279 for (i = 0; (unsigned) i < PA_ELEMENTSOF(freq_table); i++)
1280 if (freq_table[i].rate >= y->core->default_sample_spec.rate && (cap->frequency & freq_table[i].cap)) {
1281 config.frequency = freq_table[i].cap;
1282 break;
1283 }
1284
1285 if ((unsigned) i == PA_ELEMENTSOF(freq_table)) {
1286 for (--i; i >= 0; i--) {
1287 if (cap->frequency & freq_table[i].cap) {
1288 config.frequency = freq_table[i].cap;
1289 break;
1290 }
1291 }
1292
1293 if (i < 0) {
1294 pa_log("Not suitable sample rate");
1295 goto fail;
1296 }
1297 }
1298
1299 pa_assert((unsigned) i < PA_ELEMENTSOF(freq_table));
1300
1301 if (y->core->default_sample_spec.channels <= 1) {
1302 if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
1303 config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
1304 }
1305
1306 if (y->core->default_sample_spec.channels >= 2) {
1307 if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
1308 config.channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
1309 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
1310 config.channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
1311 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
1312 config.channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
1313 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO) {
1314 config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
1315 } else {
1316 pa_log("No supported channel modes");
1317 goto fail;
1318 }
1319 }
1320
1321 if (cap->block_length & BT_A2DP_BLOCK_LENGTH_16)
1322 config.block_length = BT_A2DP_BLOCK_LENGTH_16;
1323 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_12)
1324 config.block_length = BT_A2DP_BLOCK_LENGTH_12;
1325 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_8)
1326 config.block_length = BT_A2DP_BLOCK_LENGTH_8;
1327 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4)
1328 config.block_length = BT_A2DP_BLOCK_LENGTH_4;
1329 else {
1330 pa_log_error("No supported block lengths");
1331 goto fail;
1332 }
1333
1334 if (cap->subbands & BT_A2DP_SUBBANDS_8)
1335 config.subbands = BT_A2DP_SUBBANDS_8;
1336 else if (cap->subbands & BT_A2DP_SUBBANDS_4)
1337 config.subbands = BT_A2DP_SUBBANDS_4;
1338 else {
1339 pa_log_error("No supported subbands");
1340 goto fail;
1341 }
1342
1343 if (cap->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS)
1344 config.allocation_method = BT_A2DP_ALLOCATION_LOUDNESS;
1345 else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR)
1346 config.allocation_method = BT_A2DP_ALLOCATION_SNR;
1347
1348 config.min_bitpool = (uint8_t) PA_MAX(MIN_BITPOOL, cap->min_bitpool);
1349 config.max_bitpool = (uint8_t) PA_MIN(a2dp_default_bitpool(config.frequency, config.channel_mode), cap->max_bitpool);
1350
1351 done:
1352 pa_assert_se(r = dbus_message_new_method_return(m));
1353
1354 pa_assert_se(dbus_message_append_args(
1355 r,
1356 DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &pconf, size,
1357 DBUS_TYPE_INVALID));
1358
1359 return r;
1360
1361 fail:
1362 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1363 "Unable to select configuration")));
1364 return r;
1365 }
1366
1367 static DBusHandlerResult endpoint_handler(DBusConnection *c, DBusMessage *m, void *userdata) {
1368 struct pa_bluetooth_discovery *y = userdata;
1369 DBusMessage *r = NULL;
1370 DBusError e;
1371 const char *path;
1372
1373 pa_assert(y);
1374
1375 pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
1376 dbus_message_get_interface(m),
1377 dbus_message_get_path(m),
1378 dbus_message_get_member(m));
1379
1380 path = dbus_message_get_path(m);
1381 dbus_error_init(&e);
1382
1383 if (!pa_streq(path, A2DP_SOURCE_ENDPOINT) && !pa_streq(path, A2DP_SINK_ENDPOINT) && !pa_streq(path, HFP_AG_ENDPOINT))
1384 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1385
1386 if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) {
1387 const char *xml = ENDPOINT_INTROSPECT_XML;
1388
1389 pa_assert_se(r = dbus_message_new_method_return(m));
1390 pa_assert_se(dbus_message_append_args(
1391 r,
1392 DBUS_TYPE_STRING, &xml,
1393 DBUS_TYPE_INVALID));
1394
1395 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SetConfiguration")) {
1396 r = endpoint_set_configuration(c, m, userdata);
1397 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SelectConfiguration")) {
1398 r = endpoint_select_configuration(c, m, userdata);
1399 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "ClearConfiguration"))
1400 r = endpoint_clear_configuration(c, m, userdata);
1401 else
1402 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1403
1404 if (r) {
1405 pa_assert_se(dbus_connection_send(pa_dbus_connection_get(y->connection), r, NULL));
1406 dbus_message_unref(r);
1407 }
1408
1409 return DBUS_HANDLER_RESULT_HANDLED;
1410 }
1411
1412 pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
1413 DBusError err;
1414 pa_bluetooth_discovery *y;
1415 static const DBusObjectPathVTable vtable_endpoint = {
1416 .message_function = endpoint_handler,
1417 };
1418
1419 pa_assert(c);
1420
1421 dbus_error_init(&err);
1422
1423 if ((y = pa_shared_get(c, "bluetooth-discovery")))
1424 return pa_bluetooth_discovery_ref(y);
1425
1426 y = pa_xnew0(pa_bluetooth_discovery, 1);
1427 PA_REFCNT_INIT(y);
1428 y->core = c;
1429 y->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
1430 PA_LLIST_HEAD_INIT(pa_dbus_pending, y->pending);
1431 pa_hook_init(&y->hook, y);
1432 pa_shared_set(c, "bluetooth-discovery", y);
1433
1434 if (setup_dbus(y) < 0)
1435 goto fail;
1436
1437 /* dynamic detection of bluetooth audio devices */
1438 if (!dbus_connection_add_filter(pa_dbus_connection_get(y->connection), filter_cb, y, NULL)) {
1439 pa_log_error("Failed to add filter function");
1440 goto fail;
1441 }
1442 y->filter_added = TRUE;
1443
1444 if (pa_dbus_add_matches(
1445 pa_dbus_connection_get(y->connection), &err,
1446 "type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
1447 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
1448 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
1449 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
1450 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
1451 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
1452 "type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
1453 "type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
1454 "type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
1455 "type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
1456 "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
1457 NULL) < 0) {
1458 pa_log("Failed to add D-Bus matches: %s", err.message);
1459 goto fail;
1460 }
1461
1462 #ifdef DBUS_TYPE_UNIX_FD
1463 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT, &vtable_endpoint, y));
1464 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT, &vtable_endpoint, y));
1465 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT, &vtable_endpoint, y));
1466 #endif
1467
1468 list_adapters(y);
1469
1470 return y;
1471
1472 fail:
1473
1474 if (y)
1475 pa_bluetooth_discovery_unref(y);
1476
1477 dbus_error_free(&err);
1478
1479 return NULL;
1480 }
1481
1482 pa_bluetooth_discovery* pa_bluetooth_discovery_ref(pa_bluetooth_discovery *y) {
1483 pa_assert(y);
1484 pa_assert(PA_REFCNT_VALUE(y) > 0);
1485
1486 PA_REFCNT_INC(y);
1487
1488 return y;
1489 }
1490
1491 void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y) {
1492 pa_assert(y);
1493 pa_assert(PA_REFCNT_VALUE(y) > 0);
1494
1495 if (PA_REFCNT_DEC(y) > 0)
1496 return;
1497
1498 pa_dbus_free_pending_list(&y->pending);
1499
1500 if (y->devices) {
1501 remove_all_devices(y);
1502 pa_hashmap_free(y->devices, NULL, NULL);
1503 }
1504
1505 if (y->connection) {
1506 #ifdef DBUS_TYPE_UNIX_FD
1507 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT);
1508 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT);
1509 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT);
1510 #endif
1511 pa_dbus_remove_matches(pa_dbus_connection_get(y->connection),
1512 "type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
1513 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
1514 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterRemoved'",
1515 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
1516 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
1517 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
1518 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
1519 "type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
1520 "type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
1521 "type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
1522 "type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
1523 "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
1524 NULL);
1525
1526 if (y->filter_added)
1527 dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
1528
1529 dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
1530
1531 pa_dbus_connection_unref(y->connection);
1532 }
1533
1534 pa_hook_done(&y->hook);
1535
1536 if (y->core)
1537 pa_shared_remove(y->core, "bluetooth-discovery");
1538
1539 pa_xfree(y);
1540 }
1541
1542 void pa_bluetooth_discovery_sync(pa_bluetooth_discovery *y) {
1543 pa_assert(y);
1544 pa_assert(PA_REFCNT_VALUE(y) > 0);
1545
1546 pa_dbus_sync_pending_list(&y->pending);
1547 }
1548
1549 pa_hook* pa_bluetooth_discovery_hook(pa_bluetooth_discovery *y) {
1550 pa_assert(y);
1551 pa_assert(PA_REFCNT_VALUE(y) > 0);
1552
1553 return &y->hook;
1554 }
1555
1556 const char*pa_bluetooth_get_form_factor(uint32_t class) {
1557 unsigned i;
1558 const char *r;
1559
1560 static const char * const table[] = {
1561 [1] = "headset",
1562 [2] = "hands-free",
1563 [4] = "microphone",
1564 [5] = "speaker",
1565 [6] = "headphone",
1566 [7] = "portable",
1567 [8] = "car",
1568 [10] = "hifi"
1569 };
1570
1571 if (((class >> 8) & 31) != 4)
1572 return NULL;
1573
1574 if ((i = (class >> 2) & 63) > PA_ELEMENTSOF(table))
1575 r = NULL;
1576 else
1577 r = table[i];
1578
1579 if (!r)
1580 pa_log_debug("Unknown Bluetooth minor device class %u", i);
1581
1582 return r;
1583 }
1584
1585 char *pa_bluetooth_cleanup_name(const char *name) {
1586 char *t, *s, *d;
1587 pa_bool_t space = FALSE;
1588
1589 pa_assert(name);
1590
1591 while ((*name >= 1 && *name <= 32) || *name >= 127)
1592 name++;
1593
1594 t = pa_xstrdup(name);
1595
1596 for (s = d = t; *s; s++) {
1597
1598 if (*s <= 32 || *s >= 127 || *s == '_') {
1599 space = TRUE;
1600 continue;
1601 }
1602
1603 if (space) {
1604 *(d++) = ' ';
1605 space = FALSE;
1606 }
1607
1608 *(d++) = *s;
1609 }
1610
1611 *d = 0;
1612
1613 return t;
1614 }
1615
1616 pa_bool_t pa_bluetooth_uuid_has(pa_bluetooth_uuid *uuids, const char *uuid) {
1617 pa_assert(uuid);
1618
1619 while (uuids) {
1620 if (strcasecmp(uuids->uuid, uuid) == 0)
1621 return TRUE;
1622
1623 uuids = uuids->next;
1624 }
1625
1626 return FALSE;
1627 }