src/modules/dbus/iface-card.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2009 Tanu Kaskinen
   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 published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   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 License
  17   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 <dbus/dbus.h>
  27
  28 #include <pulsecore/core-util.h>
  29 #include <pulsecore/dbus-util.h>
  30 #include <pulsecore/protocol-dbus.h>
  31
  32 #include "iface-card-profile.h"
  33
  34 #include "iface-card.h"
  35
  36 #define OBJECT_NAME "card"
  37
  38 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
  39 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  40 static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata);
  41 static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata);
  42 static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata);
  43 static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata);
  44 static void handle_get_profiles(DBusConnection *conn, DBusMessage *msg, void *userdata);
  45 static void handle_get_active_profile(DBusConnection *conn, DBusMessage *msg, void *userdata);
  46 static void handle_set_active_profile(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  47 static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata);
  48
  49 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
  50
  51 static void handle_get_profile_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  52
  53 struct pa_dbusiface_card {
  54     pa_dbusiface_core *core;
  55
  56     pa_card *card;
  57     char *path;
  58     pa_hashmap *profiles;
  59     uint32_t next_profile_index;
  60     pa_card_profile *active_profile;
  61     pa_proplist *proplist;
  62
  63     pa_hook_slot *card_profile_added_slot;
  64
  65     pa_dbus_protocol *dbus_protocol;
  66     pa_subscription *subscription;
  67 };
  68
  69 enum property_handler_index {
  70     PROPERTY_HANDLER_INDEX,
  71     PROPERTY_HANDLER_NAME,
  72     PROPERTY_HANDLER_DRIVER,
  73     PROPERTY_HANDLER_OWNER_MODULE,
  74     PROPERTY_HANDLER_SINKS,
  75     PROPERTY_HANDLER_SOURCES,
  76     PROPERTY_HANDLER_PROFILES,
  77     PROPERTY_HANDLER_ACTIVE_PROFILE,
  78     PROPERTY_HANDLER_PROPERTY_LIST,
  79     PROPERTY_HANDLER_MAX
  80 };
  81
  82 static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
  83     [PROPERTY_HANDLER_INDEX]          = { .property_name = "Index",         .type = "u",      .get_cb = handle_get_index,          .set_cb = NULL },
  84     [PROPERTY_HANDLER_NAME]           = { .property_name = "Name",          .type = "s",      .get_cb = handle_get_name,           .set_cb = NULL },
  85     [PROPERTY_HANDLER_DRIVER]         = { .property_name = "Driver",        .type = "s",      .get_cb = handle_get_driver,         .set_cb = NULL },
  86     [PROPERTY_HANDLER_OWNER_MODULE]   = { .property_name = "OwnerModule",   .type = "o",      .get_cb = handle_get_owner_module,   .set_cb = NULL },
  87     [PROPERTY_HANDLER_SINKS]          = { .property_name = "Sinks",         .type = "ao",     .get_cb = handle_get_sinks,          .set_cb = NULL },
  88     [PROPERTY_HANDLER_SOURCES]        = { .property_name = "Sources",       .type = "ao",     .get_cb = handle_get_sources,        .set_cb = NULL },
  89     [PROPERTY_HANDLER_PROFILES]       = { .property_name = "Profiles",      .type = "ao",     .get_cb = handle_get_profiles,       .set_cb = NULL },
  90     [PROPERTY_HANDLER_ACTIVE_PROFILE] = { .property_name = "ActiveProfile", .type = "o",      .get_cb = handle_get_active_profile, .set_cb = handle_set_active_profile },
  91     [PROPERTY_HANDLER_PROPERTY_LIST]  = { .property_name = "PropertyList",  .type = "a{say}", .get_cb = handle_get_property_list,  .set_cb = NULL }
  92 };
  93
  94 enum method_handler_index {
  95     METHOD_HANDLER_GET_PROFILE_BY_NAME,
  96     METHOD_HANDLER_MAX
  97 };
  98
  99 static pa_dbus_arg_info get_profile_by_name_args[] = { { "name", "s", "in" }, { "profile", "o", "out" } };
 100
 101 static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
 102     [METHOD_HANDLER_GET_PROFILE_BY_NAME] = {
 103         .method_name = "GetProfileByName",
 104         .arguments = get_profile_by_name_args,
 105         .n_arguments = sizeof(get_profile_by_name_args) / sizeof(pa_dbus_arg_info),
 106         .receive_cb = handle_get_profile_by_name }
 107 };
 108
 109 enum signal_index {
 110     SIGNAL_ACTIVE_PROFILE_UPDATED,
 111     SIGNAL_NEW_PROFILE,
 112     SIGNAL_PROPERTY_LIST_UPDATED,
 113     SIGNAL_MAX
 114 };
 115
 116 static pa_dbus_arg_info active_profile_updated_args[] = { { "profile",       "o",      NULL } };
 117 static pa_dbus_arg_info new_profile_args[] =            { { "profile",       "o",      NULL } };
 118 static pa_dbus_arg_info property_list_updated_args[] =  { { "property_list", "a{say}", NULL } };
 119
 120 static pa_dbus_signal_info signals[SIGNAL_MAX] = {
 121     [SIGNAL_ACTIVE_PROFILE_UPDATED] = { .name = "ActiveProfileUpdated", .arguments = active_profile_updated_args, .n_arguments = 1 },
 122     [SIGNAL_NEW_PROFILE]            = { .name = "NewProfile",           .arguments = new_profile_args,            .n_arguments = 1 },
 123     [SIGNAL_PROPERTY_LIST_UPDATED]  = { .name = "PropertyListUpdated",  .arguments = property_list_updated_args,  .n_arguments = 1 }
 124 };
 125
 126 static pa_dbus_interface_info card_interface_info = {
 127     .name = PA_DBUSIFACE_CARD_INTERFACE,
 128     .method_handlers = method_handlers,
 129     .n_method_handlers = METHOD_HANDLER_MAX,
 130     .property_handlers = property_handlers,
 131     .n_property_handlers = PROPERTY_HANDLER_MAX,
 132     .get_all_properties_cb = handle_get_all,
 133     .signals = signals,
 134     .n_signals = SIGNAL_MAX
 135 };
 136
 137 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 138     pa_dbusiface_card *c = userdata;
 139     dbus_uint32_t idx;
 140
 141     pa_assert(conn);
 142     pa_assert(msg);
 143     pa_assert(c);
 144
 145     idx = c->card->index;
 146
 147     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx);
 148 }
 149
 150 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 151     pa_dbusiface_card *c = userdata;
 152
 153     pa_assert(conn);
 154     pa_assert(msg);
 155     pa_assert(c);
 156
 157     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &c->card->name);
 158 }
 159
 160 static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 161     pa_dbusiface_card *c = userdata;
 162
 163     pa_assert(conn);
 164     pa_assert(msg);
 165     pa_assert(c);
 166
 167     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &c->card->driver);
 168 }
 169
 170 static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 171     pa_dbusiface_card *c = userdata;
 172     const char *owner_module;
 173
 174     pa_assert(conn);
 175     pa_assert(msg);
 176     pa_assert(c);
 177
 178     if (!c->card->module) {
 179         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Card %s doesn't have an owner module.", c->card->name);
 180         return;
 181     }
 182
 183     owner_module = pa_dbusiface_core_get_module_path(c->core, c->card->module);
 184
 185     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &owner_module);
 186 }
 187
 188 /* The caller frees the array, but not the strings. */
 189 static const char **get_sinks(pa_dbusiface_card *c, unsigned *n) {
 190     const char **sinks = NULL;
 191     unsigned i = 0;
 192     uint32_t idx = 0;
 193     pa_sink *sink = NULL;
 194
 195     pa_assert(c);
 196     pa_assert(n);
 197
 198     *n = pa_idxset_size(c->card->sinks);
 199
 200     if (*n == 0)
 201         return NULL;
 202
 203     sinks = pa_xnew(const char *, *n);
 204
 205     PA_IDXSET_FOREACH(sink, c->card->sinks, idx) {
 206         sinks[i] = pa_dbusiface_core_get_sink_path(c->core, sink);
 207         ++i;
 208     }
 209
 210     return sinks;
 211 }
 212
 213 static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 214     pa_dbusiface_card *c = userdata;
 215     const char **sinks;
 216     unsigned n_sinks;
 217
 218     pa_assert(conn);
 219     pa_assert(msg);
 220     pa_assert(c);
 221
 222     sinks = get_sinks(c, &n_sinks);
 223
 224     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sinks, n_sinks);
 225
 226     pa_xfree(sinks);
 227 }
 228
 229 /* The caller frees the array, but not the strings. */
 230 static const char **get_sources(pa_dbusiface_card *c, unsigned *n) {
 231     const char **sources = NULL;
 232     unsigned i = 0;
 233     uint32_t idx = 0;
 234     pa_source *source = NULL;
 235
 236     pa_assert(c);
 237     pa_assert(n);
 238
 239     *n = pa_idxset_size(c->card->sources);
 240
 241     if (*n == 0)
 242         return NULL;
 243
 244     sources = pa_xnew(const char *, *n);
 245
 246     PA_IDXSET_FOREACH(source, c->card->sinks, idx) {
 247         sources[i] = pa_dbusiface_core_get_source_path(c->core, source);
 248         ++i;
 249     }
 250
 251     return sources;
 252 }
 253
 254 static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 255     pa_dbusiface_card *c = userdata;
 256     const char **sources;
 257     unsigned n_sources;
 258
 259     pa_assert(conn);
 260     pa_assert(msg);
 261     pa_assert(c);
 262
 263     sources = get_sources(c, &n_sources);
 264
 265     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sources, n_sources);
 266
 267     pa_xfree(sources);
 268 }
 269
 270 /* The caller frees the array, but not the strings. */
 271 static const char **get_profiles(pa_dbusiface_card *c, unsigned *n) {
 272     const char **profiles;
 273     unsigned i = 0;
 274     void *state = NULL;
 275     pa_dbusiface_card_profile *profile;
 276
 277     pa_assert(c);
 278     pa_assert(n);
 279
 280     *n = pa_hashmap_size(c->profiles);
 281
 282     if (*n == 0)
 283         return NULL;
 284
 285     profiles = pa_xnew(const char *, *n);
 286
 287     PA_HASHMAP_FOREACH(profile, c->profiles, state)
 288         profiles[i++] = pa_dbusiface_card_profile_get_path(profile);
 289
 290     return profiles;
 291 }
 292
 293 static void handle_get_profiles(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 294     pa_dbusiface_card *c = userdata;
 295     const char **profiles;
 296     unsigned n_profiles;
 297
 298     pa_assert(conn);
 299     pa_assert(msg);
 300     pa_assert(c);
 301
 302     profiles = get_profiles(c, &n_profiles);
 303
 304     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, profiles, n_profiles);
 305
 306     pa_xfree(profiles);
 307 }
 308
 309 static void handle_get_active_profile(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 310     pa_dbusiface_card *c = userdata;
 311     const char *active_profile;
 312
 313     pa_assert(conn);
 314     pa_assert(msg);
 315     pa_assert(c);
 316
 317     active_profile = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
 318     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &active_profile);
 319 }
 320
 321 static void handle_set_active_profile(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 322     pa_dbusiface_card *c = userdata;
 323     const char *new_active_path;
 324     pa_dbusiface_card_profile *new_active;
 325     int r;
 326
 327     pa_assert(conn);
 328     pa_assert(msg);
 329     pa_assert(iter);
 330     pa_assert(c);
 331
 332     dbus_message_iter_get_basic(iter, &new_active_path);
 333
 334     if (!(new_active = pa_hashmap_get(c->profiles, new_active_path))) {
 335         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such profile.", new_active_path);
 336         return;
 337     }
 338
 339     if ((r = pa_card_set_profile(c->card, pa_dbusiface_card_profile_get_name(new_active), TRUE)) < 0) {
 340         pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED,
 341                            "Internal error in PulseAudio: pa_card_set_profile() failed with error code %i.", r);
 342         return;
 343     }
 344
 345     pa_dbus_send_empty_reply(conn, msg);
 346 }
 347
 348 static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 349     pa_dbusiface_card *c = userdata;
 350
 351     pa_assert(conn);
 352     pa_assert(msg);
 353     pa_assert(c);
 354
 355     pa_dbus_send_proplist_variant_reply(conn, msg, c->proplist);
 356 }
 357
 358 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 359     pa_dbusiface_card *c = userdata;
 360     DBusMessage *reply = NULL;
 361     DBusMessageIter msg_iter;
 362     DBusMessageIter dict_iter;
 363     dbus_uint32_t idx;
 364     const char *owner_module = NULL;
 365     const char **sinks = NULL;
 366     unsigned n_sinks = 0;
 367     const char **sources = NULL;
 368     unsigned n_sources = 0;
 369     const char **profiles = NULL;
 370     unsigned n_profiles = 0;
 371     const char *active_profile = NULL;
 372
 373     pa_assert(conn);
 374     pa_assert(msg);
 375     pa_assert(c);
 376
 377     idx = c->card->index;
 378     if (c->card->module)
 379         owner_module = pa_dbusiface_core_get_module_path(c->core, c->card->module);
 380     sinks = get_sinks(c, &n_sinks);
 381     sources = get_sources(c, &n_sources);
 382     profiles = get_profiles(c, &n_profiles);
 383     active_profile = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
 384
 385     pa_assert_se((reply = dbus_message_new_method_return(msg)));
 386
 387     dbus_message_iter_init_append(reply, &msg_iter);
 388     pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
 389
 390     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &idx);
 391     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &c->card->name);
 392     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DRIVER].property_name, DBUS_TYPE_STRING, &c->card->driver);
 393
 394     if (owner_module)
 395         pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_OWNER_MODULE].property_name, DBUS_TYPE_OBJECT_PATH, &owner_module);
 396
 397     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SINKS].property_name, DBUS_TYPE_OBJECT_PATH, sinks, n_sinks);
 398     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SOURCES].property_name, DBUS_TYPE_OBJECT_PATH, sources, n_sources);
 399     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROFILES].property_name, DBUS_TYPE_OBJECT_PATH, profiles, n_profiles);
 400     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_ACTIVE_PROFILE].property_name, DBUS_TYPE_OBJECT_PATH, &active_profile);
 401
 402     pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, c->proplist);
 403
 404     pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
 405
 406     pa_assert_se(dbus_connection_send(conn, reply, NULL));
 407
 408     dbus_message_unref(reply);
 409
 410     pa_xfree(sinks);
 411     pa_xfree(sources);
 412     pa_xfree(profiles);
 413 }
 414
 415 static void handle_get_profile_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 416     pa_dbusiface_card *c = userdata;
 417     const char *profile_name = NULL;
 418     pa_dbusiface_card_profile *profile = NULL;
 419     const char *profile_path = NULL;
 420
 421     pa_assert(conn);
 422     pa_assert(msg);
 423     pa_assert(c);
 424
 425     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &profile_name, DBUS_TYPE_INVALID));
 426
 427     if (!(profile = pa_hashmap_get(c->profiles, profile_name))) {
 428         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such profile on card %s.", profile_name, c->card->name);
 429         return;
 430     }
 431
 432     profile_path = pa_dbusiface_card_profile_get_path(profile);
 433
 434     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &profile_path);
 435 }
 436
 437 static void subscription_cb(pa_core *core, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
 438     pa_dbusiface_card *c = userdata;
 439     DBusMessage *signal_msg = NULL;
 440
 441     pa_assert(core);
 442     pa_assert((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_CARD);
 443     pa_assert(c);
 444
 445     /* We can't use idx != c->card->index, because the c->card pointer may
 446      * be stale at this point. */
 447     if (pa_idxset_get_by_index(core->cards, idx) != c->card)
 448         return;
 449
 450     if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) != PA_SUBSCRIPTION_EVENT_CHANGE)
 451         return;
 452
 453     if (c->active_profile != c->card->active_profile) {
 454         const char *object_path;
 455
 456         c->active_profile = c->card->active_profile;
 457         object_path = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
 458
 459         pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
 460                                                           PA_DBUSIFACE_CARD_INTERFACE,
 461                                                           signals[SIGNAL_ACTIVE_PROFILE_UPDATED].name));
 462         pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
 463
 464         pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
 465         dbus_message_unref(signal_msg);
 466         signal_msg = NULL;
 467     }
 468
 469     if (!pa_proplist_equal(c->proplist, c->card->proplist)) {
 470         DBusMessageIter msg_iter;
 471
 472         pa_proplist_update(c->proplist, PA_UPDATE_SET, c->card->proplist);
 473
 474         pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
 475                                                           PA_DBUSIFACE_CARD_INTERFACE,
 476                                                           signals[SIGNAL_PROPERTY_LIST_UPDATED].name));
 477         dbus_message_iter_init_append(signal_msg, &msg_iter);
 478         pa_dbus_append_proplist(&msg_iter, c->proplist);
 479
 480         pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
 481         dbus_message_unref(signal_msg);
 482         signal_msg = NULL;
 483     }
 484 }
 485
 486 static pa_hook_result_t card_profile_added_cb(void *hook_data, void *call_data, void *slot_data) {
 487     pa_core *core = hook_data;
 488     pa_dbusiface_card *c = slot_data;
 489     pa_card_profile *profile = call_data;
 490     pa_dbusiface_card_profile *p;
 491     const char *object_path;
 492     DBusMessage *signal_msg;
 493
 494     if (profile->card != c->card)
 495         return PA_HOOK_OK;
 496
 497     p = pa_dbusiface_card_profile_new(c, core, profile, c->next_profile_index++);
 498     pa_assert_se(pa_hashmap_put(c->profiles, pa_dbusiface_card_profile_get_name(p), p) >= 0);
 499
 500     /* Send D-Bus signal */
 501     object_path = pa_dbusiface_card_profile_get_path(p);
 502
 503     pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
 504                                                       PA_DBUSIFACE_CARD_INTERFACE,
 505                                                       signals[SIGNAL_NEW_PROFILE].name));
 506     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
 507
 508     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
 509     dbus_message_unref(signal_msg);
 510
 511     return PA_HOOK_OK;
 512 }
 513
 514 pa_dbusiface_card *pa_dbusiface_card_new(pa_dbusiface_core *core, pa_card *card) {
 515     pa_dbusiface_card *c = NULL;
 516     pa_card_profile *profile;
 517     void *state;
 518
 519     pa_assert(core);
 520     pa_assert(card);
 521
 522     c = pa_xnew0(pa_dbusiface_card, 1);
 523     c->core = core;
 524     c->card = card;
 525     c->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, OBJECT_NAME, card->index);
 526     c->profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
 527     c->next_profile_index = 0;
 528     c->active_profile = card->active_profile;
 529     c->proplist = pa_proplist_copy(card->proplist);
 530     c->dbus_protocol = pa_dbus_protocol_get(card->core);
 531     c->subscription = pa_subscription_new(card->core, PA_SUBSCRIPTION_MASK_CARD, subscription_cb, c);
 532
 533     PA_HASHMAP_FOREACH(profile, card->profiles, state) {
 534         pa_dbusiface_card_profile *p = pa_dbusiface_card_profile_new(c, card->core, profile, c->next_profile_index++);
 535         pa_hashmap_put(c->profiles, pa_dbusiface_card_profile_get_name(p), p);
 536     }
 537
 538     pa_assert_se(pa_dbus_protocol_add_interface(c->dbus_protocol, c->path, &card_interface_info, c) >= 0);
 539
 540     c->card_profile_added_slot = pa_hook_connect(&card->core->hooks[PA_CORE_HOOK_CARD_PROFILE_ADDED], PA_HOOK_NORMAL,
 541                                                  card_profile_added_cb, c);
 542
 543     return c;
 544 }
 545
 546 void pa_dbusiface_card_free(pa_dbusiface_card *c) {
 547     pa_assert(c);
 548
 549     pa_assert_se(pa_dbus_protocol_remove_interface(c->dbus_protocol, c->path, card_interface_info.name) >= 0);
 550
 551     pa_hook_slot_free(c->card_profile_added_slot);
 552
 553     pa_hashmap_free(c->profiles, (pa_free_cb_t) pa_dbusiface_card_profile_free);
 554     pa_proplist_free(c->proplist);
 555     pa_dbus_protocol_unref(c->dbus_protocol);
 556     pa_subscription_free(c->subscription);
 557
 558     pa_xfree(c->path);
 559     pa_xfree(c);
 560 }
 561
 562 const char *pa_dbusiface_card_get_path(pa_dbusiface_card *c) {
 563     pa_assert(c);
 564
 565     return c->path;
 566 }