src/modules/dbus/iface-core.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 <ctype.h>
  27
  28 #include <dbus/dbus.h>
  29
  30 #include <pulse/utf8.h>
  31 #include <pulse/xmalloc.h>
  32
  33 #include <pulsecore/core-util.h>
  34 #include <pulsecore/dbus-util.h>
  35 #include <pulsecore/macro.h>
  36 #include <pulsecore/namereg.h>
  37 #include <pulsecore/protocol-dbus.h>
  38 #include <pulsecore/socket-util.h>
  39 #include <pulsecore/strbuf.h>
  40
  41 #include "iface-card.h"
  42 #include "iface-client.h"
  43 #include "iface-device.h"
  44 #include "iface-memstats.h"
  45 #include "iface-module.h"
  46 #include "iface-sample.h"
  47 #include "iface-stream.h"
  48
  49 #include "iface-core.h"
  50
  51 #define INTERFACE_REVISION 0
  52
  53 static void handle_get_interface_revision(DBusConnection *conn, DBusMessage *msg, void *userdata);
  54 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  55 static void handle_get_version(DBusConnection *conn, DBusMessage *msg, void *userdata);
  56 static void handle_get_is_local(DBusConnection *conn, DBusMessage *msg, void *userdata);
  57 static void handle_get_username(DBusConnection *conn, DBusMessage *msg, void *userdata);
  58 static void handle_get_hostname(DBusConnection *conn, DBusMessage *msg, void *userdata);
  59 static void handle_get_default_channels(DBusConnection *conn, DBusMessage *msg, void *userdata);
  60 static void handle_set_default_channels(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  61 static void handle_get_default_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata);
  62 static void handle_set_default_sample_format(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  63 static void handle_get_default_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata);
  64 static void handle_set_default_sample_rate(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  65 static void handle_get_cards(DBusConnection *conn, DBusMessage *msg, void *userdata);
  66 static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata);
  67 static void handle_get_fallback_sink(DBusConnection *conn, DBusMessage *msg, void *userdata);
  68 static void handle_set_fallback_sink(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  69 static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata);
  70 static void handle_get_fallback_source(DBusConnection *conn, DBusMessage *msg, void *userdata);
  71 static void handle_set_fallback_source(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  72 static void handle_get_playback_streams(DBusConnection *conn, DBusMessage *msg, void *userdata);
  73 static void handle_get_record_streams(DBusConnection *conn, DBusMessage *msg, void *userdata);
  74 static void handle_get_samples(DBusConnection *conn, DBusMessage *msg, void *userdata);
  75 static void handle_get_modules(DBusConnection *conn, DBusMessage *msg, void *userdata);
  76 static void handle_get_clients(DBusConnection *conn, DBusMessage *msg, void *userdata);
  77 static void handle_get_my_client(DBusConnection *conn, DBusMessage *msg, void *userdata);
  78 static void handle_get_extensions(DBusConnection *conn, DBusMessage *msg, void *userdata);
  79
  80 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
  81
  82 static void handle_get_card_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  83 static void handle_get_sink_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  84 static void handle_get_source_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  85 static void handle_get_sample_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  86 static void handle_upload_sample(DBusConnection *conn, DBusMessage *msg, void *userdata);
  87 static void handle_load_module(DBusConnection *conn, DBusMessage *msg, void *userdata);
  88 static void handle_exit(DBusConnection *conn, DBusMessage *msg, void *userdata);
  89 static void handle_listen_for_signal(DBusConnection *conn, DBusMessage *msg, void *userdata);
  90 static void handle_stop_listening_for_signal(DBusConnection *conn, DBusMessage *msg, void *userdata);
  91
  92 struct pa_dbusiface_core {
  93     pa_core *core;
  94     pa_subscription *subscription;
  95
  96     pa_dbus_protocol *dbus_protocol;
  97
  98     pa_hashmap *cards;
  99     pa_hashmap *sinks_by_index;
 100     pa_hashmap *sinks_by_path;
 101     pa_hashmap *sources_by_index;
 102     pa_hashmap *sources_by_path;
 103     pa_hashmap *playback_streams;
 104     pa_hashmap *record_streams;
 105     pa_hashmap *samples;
 106     pa_hashmap *modules;
 107     pa_hashmap *clients;
 108
 109     pa_sink *fallback_sink;
 110     pa_source *fallback_source;
 111
 112     pa_hook_slot *sink_put_slot;
 113     pa_hook_slot *sink_unlink_slot;
 114     pa_hook_slot *source_put_slot;
 115     pa_hook_slot *source_unlink_slot;
 116     pa_hook_slot *extension_registered_slot;
 117     pa_hook_slot *extension_unregistered_slot;
 118
 119     pa_dbusiface_memstats *memstats;
 120 };
 121
 122 enum property_handler_index {
 123     PROPERTY_HANDLER_INTERFACE_REVISION,
 124     PROPERTY_HANDLER_NAME,
 125     PROPERTY_HANDLER_VERSION,
 126     PROPERTY_HANDLER_IS_LOCAL,
 127     PROPERTY_HANDLER_USERNAME,
 128     PROPERTY_HANDLER_HOSTNAME,
 129     PROPERTY_HANDLER_DEFAULT_CHANNELS,
 130     PROPERTY_HANDLER_DEFAULT_SAMPLE_FORMAT,
 131     PROPERTY_HANDLER_DEFAULT_SAMPLE_RATE,
 132     PROPERTY_HANDLER_CARDS,
 133     PROPERTY_HANDLER_SINKS,
 134     PROPERTY_HANDLER_FALLBACK_SINK,
 135     PROPERTY_HANDLER_SOURCES,
 136     PROPERTY_HANDLER_FALLBACK_SOURCE,
 137     PROPERTY_HANDLER_PLAYBACK_STREAMS,
 138     PROPERTY_HANDLER_RECORD_STREAMS,
 139     PROPERTY_HANDLER_SAMPLES,
 140     PROPERTY_HANDLER_MODULES,
 141     PROPERTY_HANDLER_CLIENTS,
 142     PROPERTY_HANDLER_MY_CLIENT,
 143     PROPERTY_HANDLER_EXTENSIONS,
 144     PROPERTY_HANDLER_MAX
 145 };
 146
 147 static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
 148     [PROPERTY_HANDLER_INTERFACE_REVISION]    = { .property_name = "InterfaceRevision",   .type = "u",  .get_cb = handle_get_interface_revision,    .set_cb = NULL },
 149     [PROPERTY_HANDLER_NAME]                  = { .property_name = "Name",                .type = "s",  .get_cb = handle_get_name,                  .set_cb = NULL },
 150     [PROPERTY_HANDLER_VERSION]               = { .property_name = "Version",             .type = "s",  .get_cb = handle_get_version,               .set_cb = NULL },
 151     [PROPERTY_HANDLER_IS_LOCAL]              = { .property_name = "IsLocal",             .type = "b",  .get_cb = handle_get_is_local,              .set_cb = NULL },
 152     [PROPERTY_HANDLER_USERNAME]              = { .property_name = "Username",            .type = "s",  .get_cb = handle_get_username,              .set_cb = NULL },
 153     [PROPERTY_HANDLER_HOSTNAME]              = { .property_name = "Hostname",            .type = "s",  .get_cb = handle_get_hostname,              .set_cb = NULL },
 154     [PROPERTY_HANDLER_DEFAULT_CHANNELS]      = { .property_name = "DefaultChannels",     .type = "au", .get_cb = handle_get_default_channels,      .set_cb = handle_set_default_channels },
 155     [PROPERTY_HANDLER_DEFAULT_SAMPLE_FORMAT] = { .property_name = "DefaultSampleFormat", .type = "u",  .get_cb = handle_get_default_sample_format, .set_cb = handle_set_default_sample_format },
 156     [PROPERTY_HANDLER_DEFAULT_SAMPLE_RATE]   = { .property_name = "DefaultSampleRate",   .type = "u",  .get_cb = handle_get_default_sample_rate,   .set_cb = handle_set_default_sample_rate },
 157     [PROPERTY_HANDLER_CARDS]                 = { .property_name = "Cards",               .type = "ao", .get_cb = handle_get_cards,                 .set_cb = NULL },
 158     [PROPERTY_HANDLER_SINKS]                 = { .property_name = "Sinks",               .type = "ao", .get_cb = handle_get_sinks,                 .set_cb = NULL },
 159     [PROPERTY_HANDLER_FALLBACK_SINK]         = { .property_name = "FallbackSink",        .type = "o",  .get_cb = handle_get_fallback_sink,         .set_cb = handle_set_fallback_sink },
 160     [PROPERTY_HANDLER_SOURCES]               = { .property_name = "Sources",             .type = "ao", .get_cb = handle_get_sources,               .set_cb = NULL },
 161     [PROPERTY_HANDLER_FALLBACK_SOURCE]       = { .property_name = "FallbackSource",      .type = "o",  .get_cb = handle_get_fallback_source,       .set_cb = handle_set_fallback_source },
 162     [PROPERTY_HANDLER_PLAYBACK_STREAMS]      = { .property_name = "PlaybackStreams",     .type = "ao", .get_cb = handle_get_playback_streams,      .set_cb = NULL },
 163     [PROPERTY_HANDLER_RECORD_STREAMS]        = { .property_name = "RecordStreams",       .type = "ao", .get_cb = handle_get_record_streams,        .set_cb = NULL },
 164     [PROPERTY_HANDLER_SAMPLES]               = { .property_name = "Samples",             .type = "ao", .get_cb = handle_get_samples,               .set_cb = NULL },
 165     [PROPERTY_HANDLER_MODULES]               = { .property_name = "Modules",             .type = "ao", .get_cb = handle_get_modules,               .set_cb = NULL },
 166     [PROPERTY_HANDLER_CLIENTS]               = { .property_name = "Clients",             .type = "ao", .get_cb = handle_get_clients,               .set_cb = NULL },
 167     [PROPERTY_HANDLER_MY_CLIENT]             = { .property_name = "MyClient",            .type = "o",  .get_cb = handle_get_my_client,             .set_cb = NULL },
 168     [PROPERTY_HANDLER_EXTENSIONS]            = { .property_name = "Extensions",          .type = "as", .get_cb = handle_get_extensions,            .set_cb = NULL }
 169 };
 170
 171 enum method_handler_index {
 172     METHOD_HANDLER_GET_CARD_BY_NAME,
 173     METHOD_HANDLER_GET_SINK_BY_NAME,
 174     METHOD_HANDLER_GET_SOURCE_BY_NAME,
 175     METHOD_HANDLER_GET_SAMPLE_BY_NAME,
 176     METHOD_HANDLER_UPLOAD_SAMPLE,
 177     METHOD_HANDLER_LOAD_MODULE,
 178     METHOD_HANDLER_EXIT,
 179     METHOD_HANDLER_LISTEN_FOR_SIGNAL,
 180     METHOD_HANDLER_STOP_LISTENING_FOR_SIGNAL,
 181     METHOD_HANDLER_MAX
 182 };
 183
 184 static pa_dbus_arg_info get_card_by_name_args[] = { { "name", "s", "in" }, { "card", "o", "out" } };
 185 static pa_dbus_arg_info get_sink_by_name_args[] = { { "name", "s", "in" }, { "sink", "o", "out" } };
 186 static pa_dbus_arg_info get_source_by_name_args[] = { { "name", "s", "in" }, { "source", "o", "out" } };
 187 static pa_dbus_arg_info get_sample_by_name_args[] = { { "name", "s", "in" }, { "sample", "o", "out" } };
 188 static pa_dbus_arg_info upload_sample_args[] = { { "name",           "s",      "in" },
 189                                                  { "sample_format",  "u",      "in" },
 190                                                  { "sample_rate",    "u",      "in" },
 191                                                  { "channels",       "au",     "in" },
 192                                                  { "default_volume", "au",     "in" },
 193                                                  { "property_list",  "a{say}", "in" },
 194                                                  { "data",           "ay",     "in" },
 195                                                  { "sample",         "o",      "out" } };
 196 static pa_dbus_arg_info load_module_args[] = { { "name", "s", "in" }, { "arguments", "a{ss}", "in" }, { "module", "o", "out" } };
 197 static pa_dbus_arg_info listen_for_signal_args[] = { { "signal", "s", "in" }, { "objects", "ao", "in" } };
 198 static pa_dbus_arg_info stop_listening_for_signal_args[] = { { "signal", "s", "in" } };
 199
 200 static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
 201     [METHOD_HANDLER_GET_CARD_BY_NAME] = {
 202         .method_name = "GetCardByName",
 203         .arguments = get_card_by_name_args,
 204         .n_arguments = sizeof(get_card_by_name_args) / sizeof(pa_dbus_arg_info),
 205         .receive_cb = handle_get_card_by_name },
 206     [METHOD_HANDLER_GET_SINK_BY_NAME] = {
 207         .method_name = "GetSinkByName",
 208         .arguments = get_sink_by_name_args,
 209         .n_arguments = sizeof(get_sink_by_name_args) / sizeof(pa_dbus_arg_info),
 210         .receive_cb = handle_get_sink_by_name },
 211     [METHOD_HANDLER_GET_SOURCE_BY_NAME] = {
 212         .method_name = "GetSourceByName",
 213         .arguments = get_source_by_name_args,
 214         .n_arguments = sizeof(get_source_by_name_args) / sizeof(pa_dbus_arg_info),
 215         .receive_cb = handle_get_source_by_name },
 216     [METHOD_HANDLER_GET_SAMPLE_BY_NAME] = {
 217         .method_name = "GetSampleByName",
 218         .arguments = get_sample_by_name_args,
 219         .n_arguments = sizeof(get_sample_by_name_args) / sizeof(pa_dbus_arg_info),
 220         .receive_cb = handle_get_sample_by_name },
 221     [METHOD_HANDLER_UPLOAD_SAMPLE] = {
 222         .method_name = "UploadSample",
 223         .arguments = upload_sample_args,
 224         .n_arguments = sizeof(upload_sample_args) / sizeof(pa_dbus_arg_info),
 225         .receive_cb = handle_upload_sample },
 226     [METHOD_HANDLER_LOAD_MODULE] = {
 227         .method_name = "LoadModule",
 228         .arguments = load_module_args,
 229         .n_arguments = sizeof(load_module_args) / sizeof(pa_dbus_arg_info),
 230         .receive_cb = handle_load_module },
 231     [METHOD_HANDLER_EXIT] = {
 232         .method_name = "Exit",
 233         .arguments = NULL,
 234         .n_arguments = 0,
 235         .receive_cb = handle_exit },
 236     [METHOD_HANDLER_LISTEN_FOR_SIGNAL] = {
 237         .method_name = "ListenForSignal",
 238         .arguments = listen_for_signal_args,
 239         .n_arguments = sizeof(listen_for_signal_args) / sizeof(pa_dbus_arg_info),
 240         .receive_cb = handle_listen_for_signal },
 241     [METHOD_HANDLER_STOP_LISTENING_FOR_SIGNAL] = {
 242         .method_name = "StopListeningForSignal",
 243         .arguments = stop_listening_for_signal_args,
 244         .n_arguments = sizeof(stop_listening_for_signal_args) / sizeof(pa_dbus_arg_info),
 245         .receive_cb = handle_stop_listening_for_signal }
 246 };
 247
 248 enum signal_index {
 249     SIGNAL_NEW_CARD,
 250     SIGNAL_CARD_REMOVED,
 251     SIGNAL_NEW_SINK,
 252     SIGNAL_SINK_REMOVED,
 253     SIGNAL_FALLBACK_SINK_UPDATED,
 254     SIGNAL_FALLBACK_SINK_UNSET,
 255     SIGNAL_NEW_SOURCE,
 256     SIGNAL_SOURCE_REMOVED,
 257     SIGNAL_FALLBACK_SOURCE_UPDATED,
 258     SIGNAL_FALLBACK_SOURCE_UNSET,
 259     SIGNAL_NEW_PLAYBACK_STREAM,
 260     SIGNAL_PLAYBACK_STREAM_REMOVED,
 261     SIGNAL_NEW_RECORD_STREAM,
 262     SIGNAL_RECORD_STREAM_REMOVED,
 263     SIGNAL_NEW_SAMPLE,
 264     SIGNAL_SAMPLE_REMOVED,
 265     SIGNAL_NEW_MODULE,
 266     SIGNAL_MODULE_REMOVED,
 267     SIGNAL_NEW_CLIENT,
 268     SIGNAL_CLIENT_REMOVED,
 269     SIGNAL_NEW_EXTENSION,
 270     SIGNAL_EXTENSION_REMOVED,
 271     SIGNAL_MAX
 272 };
 273
 274 static pa_dbus_arg_info new_card_args[] =                { { "card",            "o", NULL } };
 275 static pa_dbus_arg_info card_removed_args[] =            { { "card",            "o", NULL } };
 276 static pa_dbus_arg_info new_sink_args[] =                { { "sink",            "o", NULL } };
 277 static pa_dbus_arg_info sink_removed_args[] =            { { "sink",            "o", NULL } };
 278 static pa_dbus_arg_info fallback_sink_updated_args[] =   { { "sink",            "o", NULL } };
 279 static pa_dbus_arg_info new_source_args[] =              { { "source",          "o", NULL } };
 280 static pa_dbus_arg_info source_removed_args[] =          { { "source",          "o", NULL } };
 281 static pa_dbus_arg_info fallback_source_updated_args[] = { { "source",          "o", NULL } };
 282 static pa_dbus_arg_info new_playback_stream_args[] =     { { "playback_stream", "o", NULL } };
 283 static pa_dbus_arg_info playback_stream_removed_args[] = { { "playback_stream", "o", NULL } };
 284 static pa_dbus_arg_info new_record_stream_args[] =       { { "record_stream",   "o", NULL } };
 285 static pa_dbus_arg_info record_stream_removed_args[] =   { { "record_stream",   "o", NULL } };
 286 static pa_dbus_arg_info new_sample_args[] =              { { "sample",          "o", NULL } };
 287 static pa_dbus_arg_info sample_removed_args[] =          { { "sample",          "o", NULL } };
 288 static pa_dbus_arg_info new_module_args[] =              { { "module",          "o", NULL } };
 289 static pa_dbus_arg_info module_removed_args[] =          { { "module",          "o", NULL } };
 290 static pa_dbus_arg_info new_client_args[] =              { { "client",          "o", NULL } };
 291 static pa_dbus_arg_info client_removed_args[] =          { { "client",          "o", NULL } };
 292 static pa_dbus_arg_info new_extension_args[] =           { { "extension",       "s", NULL } };
 293 static pa_dbus_arg_info extension_removed_args[] =       { { "extension",       "s", NULL } };
 294
 295 static pa_dbus_signal_info signals[SIGNAL_MAX] = {
 296     [SIGNAL_NEW_CARD]                = { .name = "NewCard",               .arguments = new_card_args,                .n_arguments = 1 },
 297     [SIGNAL_CARD_REMOVED]            = { .name = "CardRemoved",           .arguments = card_removed_args,            .n_arguments = 1 },
 298     [SIGNAL_NEW_SINK]                = { .name = "NewSink",               .arguments = new_sink_args,                .n_arguments = 1 },
 299     [SIGNAL_SINK_REMOVED]            = { .name = "SinkRemoved",           .arguments = sink_removed_args,            .n_arguments = 1 },
 300     [SIGNAL_FALLBACK_SINK_UPDATED]   = { .name = "FallbackSinkUpdated",   .arguments = fallback_sink_updated_args,   .n_arguments = 1 },
 301     [SIGNAL_FALLBACK_SINK_UNSET]     = { .name = "FallbackSinkUnset",     .arguments = NULL,                         .n_arguments = 0 },
 302     [SIGNAL_NEW_SOURCE]              = { .name = "NewSource",             .arguments = new_source_args,              .n_arguments = 1 },
 303     [SIGNAL_SOURCE_REMOVED]          = { .name = "SourceRemoved",         .arguments = source_removed_args,          .n_arguments = 1 },
 304     [SIGNAL_FALLBACK_SOURCE_UPDATED] = { .name = "FallbackSourceUpdated", .arguments = fallback_source_updated_args, .n_arguments = 1 },
 305     [SIGNAL_FALLBACK_SOURCE_UNSET]   = { .name = "FallbackSourceUnset",   .arguments = NULL,                         .n_arguments = 0 },
 306     [SIGNAL_NEW_PLAYBACK_STREAM]     = { .name = "NewPlaybackStream",     .arguments = new_playback_stream_args,     .n_arguments = 1 },
 307     [SIGNAL_PLAYBACK_STREAM_REMOVED] = { .name = "PlaybackStreamRemoved", .arguments = playback_stream_removed_args, .n_arguments = 1 },
 308     [SIGNAL_NEW_RECORD_STREAM]       = { .name = "NewRecordStream",       .arguments = new_record_stream_args,       .n_arguments = 1 },
 309     [SIGNAL_RECORD_STREAM_REMOVED]   = { .name = "RecordStreamRemoved",   .arguments = record_stream_removed_args,   .n_arguments = 1 },
 310     [SIGNAL_NEW_SAMPLE]              = { .name = "NewSample",             .arguments = new_sample_args,              .n_arguments = 1 },
 311     [SIGNAL_SAMPLE_REMOVED]          = { .name = "SampleRemoved",         .arguments = sample_removed_args,          .n_arguments = 1 },
 312     [SIGNAL_NEW_MODULE]              = { .name = "NewModule",             .arguments = new_module_args,              .n_arguments = 1 },
 313     [SIGNAL_MODULE_REMOVED]          = { .name = "ModuleRemoved",         .arguments = module_removed_args,          .n_arguments = 1 },
 314     [SIGNAL_NEW_CLIENT]              = { .name = "NewClient",             .arguments = new_client_args,              .n_arguments = 1 },
 315     [SIGNAL_CLIENT_REMOVED]          = { .name = "ClientRemoved",         .arguments = client_removed_args,          .n_arguments = 1 },
 316     [SIGNAL_NEW_EXTENSION]           = { .name = "NewExtension",          .arguments = new_extension_args,           .n_arguments = 1 },
 317     [SIGNAL_EXTENSION_REMOVED]       = { .name = "ExtensionRemoved",      .arguments = extension_removed_args,       .n_arguments = 1 }
 318 };
 319
 320 static pa_dbus_interface_info core_interface_info = {
 321     .name = PA_DBUS_CORE_INTERFACE,
 322     .method_handlers = method_handlers,
 323     .n_method_handlers = METHOD_HANDLER_MAX,
 324     .property_handlers = property_handlers,
 325     .n_property_handlers = PROPERTY_HANDLER_MAX,
 326     .get_all_properties_cb = handle_get_all,
 327     .signals = signals,
 328     .n_signals = SIGNAL_MAX
 329 };
 330
 331 static void handle_get_interface_revision(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 332     dbus_uint32_t interface_revision = INTERFACE_REVISION;
 333
 334     pa_assert(conn);
 335     pa_assert(msg);
 336
 337     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &interface_revision);
 338 }
 339
 340 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 341     const char *server_name = PACKAGE_NAME;
 342
 343     pa_assert(conn);
 344     pa_assert(msg);
 345
 346     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &server_name);
 347 }
 348
 349 static void handle_get_version(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 350     const char *version = PACKAGE_VERSION;
 351
 352     pa_assert(conn);
 353     pa_assert(msg);
 354
 355     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &version);
 356 }
 357
 358 static dbus_bool_t get_is_local(DBusConnection *conn) {
 359     int conn_fd;
 360
 361     pa_assert(conn);
 362
 363     if (!dbus_connection_get_socket(conn, &conn_fd))
 364         return FALSE;
 365
 366     return pa_socket_is_local(conn_fd);
 367 }
 368
 369 static void handle_get_is_local(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 370     dbus_bool_t is_local;
 371
 372     pa_assert(conn);
 373     pa_assert(msg);
 374
 375     is_local = get_is_local(conn);
 376
 377     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &is_local);
 378 }
 379
 380 static void handle_get_username(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 381     char *username = NULL;
 382
 383     pa_assert(conn);
 384     pa_assert(msg);
 385
 386     username = pa_get_user_name_malloc();
 387
 388     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &username);
 389
 390     pa_xfree(username);
 391 }
 392
 393 static void handle_get_hostname(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 394     char *hostname = NULL;
 395
 396     pa_assert(conn);
 397     pa_assert(msg);
 398
 399     hostname = pa_get_host_name_malloc();
 400
 401     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &hostname);
 402
 403     pa_xfree(hostname);
 404 }
 405
 406 /* Caller frees the returned array. */
 407 static dbus_uint32_t *get_default_channels(pa_dbusiface_core *c, unsigned *n) {
 408     dbus_uint32_t *default_channels = NULL;
 409     unsigned i;
 410
 411     pa_assert(c);
 412     pa_assert(n);
 413
 414     *n = c->core->default_channel_map.channels;
 415     default_channels = pa_xnew(dbus_uint32_t, *n);
 416
 417     for (i = 0; i < *n; ++i)
 418         default_channels[i] = c->core->default_channel_map.map[i];
 419
 420     return default_channels;
 421 }
 422
 423 static void handle_get_default_channels(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 424     pa_dbusiface_core *c = userdata;
 425     dbus_uint32_t *default_channels = NULL;
 426     unsigned n;
 427
 428     pa_assert(conn);
 429     pa_assert(msg);
 430     pa_assert(c);
 431
 432     default_channels = get_default_channels(c, &n);
 433
 434     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, default_channels, n);
 435
 436     pa_xfree(default_channels);
 437 }
 438
 439 static void handle_set_default_channels(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 440     pa_dbusiface_core *c = userdata;
 441     DBusMessageIter array_iter;
 442     pa_channel_map new_channel_map;
 443     const dbus_uint32_t *default_channels;
 444     int n_channels;
 445     unsigned i;
 446
 447     pa_assert(conn);
 448     pa_assert(msg);
 449     pa_assert(iter);
 450     pa_assert(c);
 451
 452     pa_channel_map_init(&new_channel_map);
 453
 454     dbus_message_iter_recurse(iter, &array_iter);
 455     dbus_message_iter_get_fixed_array(&array_iter, &default_channels, &n_channels);
 456
 457     if (n_channels <= 0) {
 458         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Empty channel array.");
 459         return;
 460     }
 461
 462     if (n_channels > (int) PA_CHANNELS_MAX) {
 463         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS,
 464                            "Too many channels: %i. The maximum number of channels is %u.", n_channels, PA_CHANNELS_MAX);
 465         return;
 466     }
 467
 468     new_channel_map.channels = n_channels;
 469
 470     for (i = 0; i < new_channel_map.channels; ++i) {
 471         if (default_channels[i] >= PA_CHANNEL_POSITION_MAX) {
 472             pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid channel position: %u.", default_channels[i]);
 473             return;
 474         }
 475
 476         new_channel_map.map[i] = default_channels[i];
 477     }
 478
 479     c->core->default_channel_map = new_channel_map;
 480     c->core->default_sample_spec.channels = n_channels;
 481
 482     pa_dbus_send_empty_reply(conn, msg);
 483 };
 484
 485 static void handle_get_default_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 486     pa_dbusiface_core *c = userdata;
 487     dbus_uint32_t default_sample_format;
 488
 489     pa_assert(conn);
 490     pa_assert(msg);
 491     pa_assert(c);
 492
 493     default_sample_format = c->core->default_sample_spec.format;
 494
 495     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &default_sample_format);
 496 }
 497
 498 static void handle_set_default_sample_format(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 499     pa_dbusiface_core *c = userdata;
 500     dbus_uint32_t default_sample_format;
 501
 502     pa_assert(conn);
 503     pa_assert(msg);
 504     pa_assert(iter);
 505     pa_assert(c);
 506
 507     dbus_message_iter_get_basic(iter, &default_sample_format);
 508
 509     if (default_sample_format >= PA_SAMPLE_MAX) {
 510         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid sample format.");
 511         return;
 512     }
 513
 514     c->core->default_sample_spec.format = default_sample_format;
 515
 516     pa_dbus_send_empty_reply(conn, msg);
 517 }
 518
 519 static void handle_get_default_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 520     pa_dbusiface_core *c = userdata;
 521     dbus_uint32_t default_sample_rate;
 522
 523     pa_assert(conn);
 524     pa_assert(msg);
 525     pa_assert(c);
 526
 527     default_sample_rate = c->core->default_sample_spec.rate;
 528
 529     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &default_sample_rate);
 530 }
 531
 532 static void handle_set_default_sample_rate(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 533     pa_dbusiface_core *c = userdata;
 534     dbus_uint32_t default_sample_rate;
 535
 536     pa_assert(conn);
 537     pa_assert(msg);
 538     pa_assert(iter);
 539     pa_assert(c);
 540
 541     dbus_message_iter_get_basic(iter, &default_sample_rate);
 542
 543     if (default_sample_rate <= 0 || default_sample_rate > PA_RATE_MAX) {
 544         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid sample rate.");
 545         return;
 546     }
 547
 548     c->core->default_sample_spec.rate = default_sample_rate;
 549
 550     pa_dbus_send_empty_reply(conn, msg);
 551 }
 552
 553 /* The caller frees the array, but not the strings. */
 554 static const char **get_cards(pa_dbusiface_core *c, unsigned *n) {
 555     const char **cards;
 556     unsigned i = 0;
 557     void *state = NULL;
 558     pa_dbusiface_card *card;
 559
 560     pa_assert(c);
 561     pa_assert(n);
 562
 563     *n = pa_hashmap_size(c->cards);
 564
 565     if (*n == 0)
 566         return NULL;
 567
 568     cards = pa_xnew(const char *, *n);
 569
 570     PA_HASHMAP_FOREACH(card, c->cards, state)
 571         cards[i++] = pa_dbusiface_card_get_path(card);
 572
 573     return cards;
 574 }
 575
 576 static void handle_get_cards(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 577     pa_dbusiface_core *c = userdata;
 578     const char **cards;
 579     unsigned n;
 580
 581     pa_assert(conn);
 582     pa_assert(msg);
 583     pa_assert(c);
 584
 585     cards = get_cards(c, &n);
 586
 587     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, cards, n);
 588
 589     pa_xfree(cards);
 590 }
 591
 592 /* The caller frees the array, but not the strings. */
 593 static const char **get_sinks(pa_dbusiface_core *c, unsigned *n) {
 594     const char **sinks;
 595     unsigned i = 0;
 596     void *state = NULL;
 597     pa_dbusiface_device *sink;
 598
 599     pa_assert(c);
 600     pa_assert(n);
 601
 602     *n = pa_hashmap_size(c->sinks_by_index);
 603
 604     if (*n == 0)
 605         return NULL;
 606
 607     sinks = pa_xnew(const char *, *n);
 608
 609     PA_HASHMAP_FOREACH(sink, c->sinks_by_index, state)
 610         sinks[i++] = pa_dbusiface_device_get_path(sink);
 611
 612     return sinks;
 613 }
 614
 615 static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 616     pa_dbusiface_core *c = userdata;
 617     const char **sinks;
 618     unsigned n;
 619
 620     pa_assert(conn);
 621     pa_assert(msg);
 622     pa_assert(c);
 623
 624     sinks = get_sinks(c, &n);
 625
 626     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sinks, n);
 627
 628     pa_xfree(sinks);
 629 }
 630
 631 static void handle_get_fallback_sink(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 632     pa_dbusiface_core *c = userdata;
 633     pa_dbusiface_device *fallback_sink;
 634     const char *object_path;
 635
 636     pa_assert(conn);
 637     pa_assert(msg);
 638     pa_assert(c);
 639
 640     if (!c->fallback_sink) {
 641         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 642                            "There are no sinks, and therefore no fallback sink either.");
 643         return;
 644     }
 645
 646     pa_assert_se((fallback_sink = pa_hashmap_get(c->sinks_by_index, PA_UINT32_TO_PTR(c->fallback_sink->index))));
 647     object_path = pa_dbusiface_device_get_path(fallback_sink);
 648
 649     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
 650 }
 651
 652 static void handle_set_fallback_sink(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 653     pa_dbusiface_core *c = userdata;
 654     pa_dbusiface_device *fallback_sink;
 655     const char *object_path;
 656
 657     pa_assert(conn);
 658     pa_assert(msg);
 659     pa_assert(iter);
 660     pa_assert(c);
 661
 662     if (!c->fallback_sink) {
 663         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 664                            "There are no sinks, and therefore no fallback sink either.");
 665         return;
 666     }
 667
 668     dbus_message_iter_get_basic(iter, &object_path);
 669
 670     if (!(fallback_sink = pa_hashmap_get(c->sinks_by_path, object_path))) {
 671         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such sink.", object_path);
 672         return;
 673     }
 674
 675     pa_namereg_set_default_sink(c->core, pa_dbusiface_device_get_sink(fallback_sink));
 676
 677     pa_dbus_send_empty_reply(conn, msg);
 678 }
 679
 680 /* The caller frees the array, but not the strings. */
 681 static const char **get_sources(pa_dbusiface_core *c, unsigned *n) {
 682     const char **sources;
 683     unsigned i = 0;
 684     void *state = NULL;
 685     pa_dbusiface_device *source;
 686
 687     pa_assert(c);
 688     pa_assert(n);
 689
 690     *n = pa_hashmap_size(c->sources_by_index);
 691
 692     if (*n == 0)
 693         return NULL;
 694
 695     sources = pa_xnew(const char *, *n);
 696
 697     PA_HASHMAP_FOREACH(source, c->sources_by_index, state)
 698         sources[i++] = pa_dbusiface_device_get_path(source);
 699
 700     return sources;
 701 }
 702
 703 static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 704     pa_dbusiface_core *c = userdata;
 705     const char **sources;
 706     unsigned n;
 707
 708     pa_assert(conn);
 709     pa_assert(msg);
 710     pa_assert(c);
 711
 712     sources = get_sources(c, &n);
 713
 714     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sources, n);
 715
 716     pa_xfree(sources);
 717 }
 718
 719 static void handle_get_fallback_source(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 720     pa_dbusiface_core *c = userdata;
 721     pa_dbusiface_device *fallback_source;
 722     const char *object_path;
 723
 724     pa_assert(conn);
 725     pa_assert(msg);
 726     pa_assert(c);
 727
 728     if (!c->fallback_source) {
 729         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 730                            "There are no sources, and therefore no fallback source either.");
 731         return;
 732     }
 733
 734     pa_assert_se((fallback_source = pa_hashmap_get(c->sources_by_index, PA_UINT32_TO_PTR(c->fallback_source->index))));
 735     object_path = pa_dbusiface_device_get_path(fallback_source);
 736
 737     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
 738 }
 739
 740 static void handle_set_fallback_source(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 741     pa_dbusiface_core *c = userdata;
 742     pa_dbusiface_device *fallback_source;
 743     const char *object_path;
 744
 745     pa_assert(conn);
 746     pa_assert(msg);
 747     pa_assert(iter);
 748     pa_assert(c);
 749
 750     if (!c->fallback_source) {
 751         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 752                            "There are no sources, and therefore no fallback source either.");
 753         return;
 754     }
 755
 756     dbus_message_iter_get_basic(iter, &object_path);
 757
 758     if (!(fallback_source = pa_hashmap_get(c->sources_by_path, object_path))) {
 759         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such source.", object_path);
 760         return;
 761     }
 762
 763     pa_namereg_set_default_source(c->core, pa_dbusiface_device_get_source(fallback_source));
 764
 765     pa_dbus_send_empty_reply(conn, msg);
 766 }
 767
 768 /* The caller frees the array, but not the strings. */
 769 static const char **get_playback_streams(pa_dbusiface_core *c, unsigned *n) {
 770     const char **streams;
 771     unsigned i = 0;
 772     void *state = NULL;
 773     pa_dbusiface_stream *stream;
 774
 775     pa_assert(c);
 776     pa_assert(n);
 777
 778     *n = pa_hashmap_size(c->playback_streams);
 779
 780     if (*n == 0)
 781         return NULL;
 782
 783     streams = pa_xnew(const char *, *n);
 784
 785     PA_HASHMAP_FOREACH(stream, c->playback_streams, state)
 786         streams[i++] = pa_dbusiface_stream_get_path(stream);
 787
 788     return streams;
 789 }
 790
 791 static void handle_get_playback_streams(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 792     pa_dbusiface_core *c = userdata;
 793     const char **playback_streams;
 794     unsigned n;
 795
 796     pa_assert(conn);
 797     pa_assert(msg);
 798     pa_assert(c);
 799
 800     playback_streams = get_playback_streams(c, &n);
 801
 802     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, playback_streams, n);
 803
 804     pa_xfree(playback_streams);
 805 }
 806
 807 /* The caller frees the array, but not the strings. */
 808 static const char **get_record_streams(pa_dbusiface_core *c, unsigned *n) {
 809     const char **streams;
 810     unsigned i = 0;
 811     void *state = NULL;
 812     pa_dbusiface_stream *stream;
 813
 814     pa_assert(c);
 815     pa_assert(n);
 816
 817     *n = pa_hashmap_size(c->record_streams);
 818
 819     if (*n == 0)
 820         return NULL;
 821
 822     streams = pa_xnew(const char *, *n);
 823
 824     PA_HASHMAP_FOREACH(stream, c->record_streams, state)
 825         streams[i++] = pa_dbusiface_stream_get_path(stream);
 826
 827     return streams;
 828 }
 829
 830 static void handle_get_record_streams(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 831     pa_dbusiface_core *c = userdata;
 832     const char **record_streams;
 833     unsigned n;
 834
 835     pa_assert(conn);
 836     pa_assert(msg);
 837     pa_assert(c);
 838
 839     record_streams = get_record_streams(c, &n);
 840
 841     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, record_streams, n);
 842
 843     pa_xfree(record_streams);
 844 }
 845
 846 /* The caller frees the array, but not the strings. */
 847 static const char **get_samples(pa_dbusiface_core *c, unsigned *n) {
 848     const char **samples;
 849     unsigned i = 0;
 850     void *state = NULL;
 851     pa_dbusiface_sample *sample;
 852
 853     pa_assert(c);
 854     pa_assert(n);
 855
 856     *n = pa_hashmap_size(c->samples);
 857
 858     if (*n == 0)
 859         return NULL;
 860
 861     samples = pa_xnew(const char *, *n);
 862
 863     PA_HASHMAP_FOREACH(sample, c->samples, state)
 864         samples[i++] = pa_dbusiface_sample_get_path(sample);
 865
 866     return samples;
 867 }
 868
 869 static void handle_get_samples(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 870     pa_dbusiface_core *c = userdata;
 871     const char **samples;
 872     unsigned n;
 873
 874     pa_assert(conn);
 875     pa_assert(msg);
 876     pa_assert(c);
 877
 878     samples = get_samples(c, &n);
 879
 880     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, samples, n);
 881
 882     pa_xfree(samples);
 883 }
 884
 885 /* The caller frees the array, but not the strings. */
 886 static const char **get_modules(pa_dbusiface_core *c, unsigned *n) {
 887     const char **modules;
 888     unsigned i = 0;
 889     void *state = NULL;
 890     pa_dbusiface_module *module;
 891
 892     pa_assert(c);
 893     pa_assert(n);
 894
 895     *n = pa_hashmap_size(c->modules);
 896
 897     if (*n == 0)
 898         return NULL;
 899
 900     modules = pa_xnew(const char *, *n);
 901
 902     PA_HASHMAP_FOREACH(module, c->modules, state)
 903         modules[i++] = pa_dbusiface_module_get_path(module);
 904
 905     return modules;
 906 }
 907
 908 static void handle_get_modules(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 909     pa_dbusiface_core *c = userdata;
 910     const char **modules;
 911     unsigned n;
 912
 913     pa_assert(conn);
 914     pa_assert(msg);
 915     pa_assert(c);
 916
 917     modules = get_modules(c, &n);
 918
 919     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, modules, n);
 920
 921     pa_xfree(modules);
 922 }
 923
 924 /* The caller frees the array, but not the strings. */
 925 static const char **get_clients(pa_dbusiface_core *c, unsigned *n) {
 926     const char **clients;
 927     unsigned i = 0;
 928     void *state = NULL;
 929     pa_dbusiface_client *client;
 930
 931     pa_assert(c);
 932     pa_assert(n);
 933
 934     *n = pa_hashmap_size(c->clients);
 935
 936     if (*n == 0)
 937         return NULL;
 938
 939     clients = pa_xnew(const char *, *n);
 940
 941     PA_HASHMAP_FOREACH(client, c->clients, state)
 942         clients[i++] = pa_dbusiface_client_get_path(client);
 943
 944     return clients;
 945 }
 946
 947 static void handle_get_clients(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 948     pa_dbusiface_core *c = userdata;
 949     const char **clients;
 950     unsigned n;
 951
 952     pa_assert(conn);
 953     pa_assert(msg);
 954     pa_assert(c);
 955
 956     clients = get_clients(c, &n);
 957
 958     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, clients, n);
 959
 960     pa_xfree(clients);
 961 }
 962
 963 static const char *get_my_client(pa_dbusiface_core *c, DBusConnection *conn) {
 964     pa_client *my_client;
 965
 966     pa_assert(c);
 967     pa_assert(conn);
 968
 969     pa_assert_se((my_client = pa_dbus_protocol_get_client(c->dbus_protocol, conn)));
 970
 971     return pa_dbusiface_client_get_path(pa_hashmap_get(c->clients, PA_UINT32_TO_PTR(my_client->index)));
 972 }
 973
 974 static void handle_get_my_client(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 975     pa_dbusiface_core *c = userdata;
 976     const char *my_client;
 977
 978     pa_assert(conn);
 979     pa_assert(msg);
 980     pa_assert(c);
 981
 982     my_client = get_my_client(c, conn);
 983
 984     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &my_client);
 985 }
 986
 987 static void handle_get_extensions(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 988     pa_dbusiface_core *c = userdata;
 989     const char **extensions;
 990     unsigned n;
 991
 992     pa_assert(conn);
 993     pa_assert(msg);
 994     pa_assert(c);
 995
 996     extensions = pa_dbus_protocol_get_extensions(c->dbus_protocol, &n);
 997
 998     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_STRING, extensions, n);
 999
1000     pa_xfree(extensions);
1001 }
1002
1003 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1004     pa_dbusiface_core *c = userdata;
1005     DBusMessage *reply = NULL;
1006     DBusMessageIter msg_iter;
1007     DBusMessageIter dict_iter;
1008     dbus_uint32_t interface_revision;
1009     const char *server_name;
1010     const char *version;
1011     dbus_bool_t is_local;
1012     char *username;
1013     char *hostname;
1014     dbus_uint32_t *default_channels;
1015     unsigned n_default_channels;
1016     dbus_uint32_t default_sample_format;
1017     dbus_uint32_t default_sample_rate;
1018     const char **cards;
1019     unsigned n_cards;
1020     const char **sinks;
1021     unsigned n_sinks;
1022     const char *fallback_sink;
1023     const char **sources;
1024     unsigned n_sources;
1025     const char *fallback_source;
1026     const char **playback_streams;
1027     unsigned n_playback_streams;
1028     const char **record_streams;
1029     unsigned n_record_streams;
1030     const char **samples;
1031     unsigned n_samples;
1032     const char **modules;
1033     unsigned n_modules;
1034     const char **clients;
1035     unsigned n_clients;
1036     const char *my_client;
1037     const char **extensions;
1038     unsigned n_extensions;
1039
1040     pa_assert(conn);
1041     pa_assert(msg);
1042     pa_assert(c);
1043
1044     interface_revision = INTERFACE_REVISION;
1045     server_name = PACKAGE_NAME;
1046     version = PACKAGE_VERSION;
1047     is_local = get_is_local(conn);
1048     username = pa_get_user_name_malloc();
1049     hostname = pa_get_host_name_malloc();
1050     default_channels = get_default_channels(c, &n_default_channels);
1051     default_sample_format = c->core->default_sample_spec.format;
1052     default_sample_rate = c->core->default_sample_spec.rate;
1053     cards = get_cards(c, &n_cards);
1054     sinks = get_sinks(c, &n_sinks);
1055     fallback_sink = c->fallback_sink
1056                     ? pa_dbusiface_device_get_path(pa_hashmap_get(c->sinks_by_index, PA_UINT32_TO_PTR(c->fallback_sink->index)))
1057                     : NULL;
1058     sources = get_sources(c, &n_sources);
1059     fallback_source = c->fallback_source
1060                       ? pa_dbusiface_device_get_path(pa_hashmap_get(c->sources_by_index,
1061                                                                     PA_UINT32_TO_PTR(c->fallback_source->index)))
1062                       : NULL;
1063     playback_streams = get_playback_streams(c, &n_playback_streams);
1064     record_streams = get_record_streams(c, &n_record_streams);
1065     samples = get_samples(c, &n_samples);
1066     modules = get_modules(c, &n_modules);
1067     clients = get_clients(c, &n_clients);
1068     my_client = get_my_client(c, conn);
1069     extensions = pa_dbus_protocol_get_extensions(c->dbus_protocol, &n_extensions);
1070
1071     pa_assert_se((reply = dbus_message_new_method_return(msg)));
1072
1073     dbus_message_iter_init_append(reply, &msg_iter);
1074     pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
1075
1076     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INTERFACE_REVISION].property_name, DBUS_TYPE_UINT32, &interface_revision);
1077     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &server_name);
1078     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_VERSION].property_name, DBUS_TYPE_STRING, &version);
1079     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_IS_LOCAL].property_name, DBUS_TYPE_BOOLEAN, &is_local);
1080     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_USERNAME].property_name, DBUS_TYPE_STRING, &username);
1081     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_HOSTNAME].property_name, DBUS_TYPE_STRING, &hostname);
1082     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DEFAULT_CHANNELS].property_name, DBUS_TYPE_UINT32, default_channels, n_default_channels);
1083     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DEFAULT_SAMPLE_FORMAT].property_name, DBUS_TYPE_UINT32, &default_sample_format);
1084     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DEFAULT_SAMPLE_RATE].property_name, DBUS_TYPE_UINT32, &default_sample_rate);
1085     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CARDS].property_name, DBUS_TYPE_OBJECT_PATH, cards, n_cards);
1086     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SINKS].property_name, DBUS_TYPE_OBJECT_PATH, sinks, n_sinks);
1087
1088     if (fallback_sink)
1089         pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_FALLBACK_SINK].property_name, DBUS_TYPE_OBJECT_PATH, &fallback_sink);
1090
1091     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SOURCES].property_name, DBUS_TYPE_OBJECT_PATH, sources, n_sources);
1092
1093     if (fallback_source)
1094         pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_FALLBACK_SOURCE].property_name, DBUS_TYPE_OBJECT_PATH, &fallback_source);
1095
1096     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PLAYBACK_STREAMS].property_name, DBUS_TYPE_OBJECT_PATH, playback_streams, n_playback_streams);
1097     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_RECORD_STREAMS].property_name, DBUS_TYPE_OBJECT_PATH, record_streams, n_record_streams);
1098     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLES].property_name, DBUS_TYPE_OBJECT_PATH, samples, n_samples);
1099     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_MODULES].property_name, DBUS_TYPE_OBJECT_PATH, modules, n_modules);
1100     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CLIENTS].property_name, DBUS_TYPE_OBJECT_PATH, clients, n_clients);
1101     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_MY_CLIENT].property_name, DBUS_TYPE_OBJECT_PATH, &my_client);
1102     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_EXTENSIONS].property_name, DBUS_TYPE_STRING, extensions, n_extensions);
1103
1104     pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
1105
1106     pa_assert_se(dbus_connection_send(conn, reply, NULL));
1107
1108     dbus_message_unref(reply);
1109
1110     pa_xfree(username);
1111     pa_xfree(hostname);
1112     pa_xfree(default_channels);
1113     pa_xfree(cards);
1114     pa_xfree(sinks);
1115     pa_xfree(sources);
1116     pa_xfree(playback_streams);
1117     pa_xfree(record_streams);
1118     pa_xfree(samples);
1119     pa_xfree(modules);
1120     pa_xfree(clients);
1121     pa_xfree(extensions);
1122 }
1123
1124 static void handle_get_card_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1125     pa_dbusiface_core *c = userdata;
1126     char *card_name;
1127     pa_card *card;
1128     pa_dbusiface_card *dbus_card;
1129     const char *object_path;
1130
1131     pa_assert(conn);
1132     pa_assert(msg);
1133     pa_assert(c);
1134
1135     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &card_name, DBUS_TYPE_INVALID));
1136
1137     if (!(card = pa_namereg_get(c->core, card_name, PA_NAMEREG_CARD))) {
1138         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "No such card.");
1139         return;
1140     }
1141
1142     pa_assert_se((dbus_card = pa_hashmap_get(c->cards, PA_UINT32_TO_PTR(card->index))));
1143
1144     object_path = pa_dbusiface_card_get_path(dbus_card);
1145
1146     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
1147 }
1148
1149 static void handle_get_sink_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1150     pa_dbusiface_core *c = userdata;
1151     char *sink_name;
1152     pa_sink *sink;
1153     pa_dbusiface_device *dbus_sink;
1154     const char *object_path;
1155
1156     pa_assert(conn);
1157     pa_assert(msg);
1158     pa_assert(c);
1159
1160     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &sink_name, DBUS_TYPE_INVALID));
1161
1162     if (!(sink = pa_namereg_get(c->core, sink_name, PA_NAMEREG_SINK))) {
1163         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such sink.", sink_name);
1164         return;
1165     }
1166
1167     pa_assert_se((dbus_sink = pa_hashmap_get(c->sinks_by_index, PA_UINT32_TO_PTR(sink->index))));
1168
1169     object_path = pa_dbusiface_device_get_path(dbus_sink);
1170
1171     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
1172 }
1173
1174 static void handle_get_source_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1175     pa_dbusiface_core *c = userdata;
1176     char *source_name;
1177     pa_source *source;
1178     pa_dbusiface_device *dbus_source;
1179     const char *object_path;
1180
1181     pa_assert(conn);
1182     pa_assert(msg);
1183     pa_assert(c);
1184
1185     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &source_name, DBUS_TYPE_INVALID));
1186
1187     if (!(source = pa_namereg_get(c->core, source_name, PA_NAMEREG_SOURCE))) {
1188         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such source.", source_name);
1189         return;
1190     }
1191
1192     pa_assert_se((dbus_source = pa_hashmap_get(c->sources_by_index, PA_UINT32_TO_PTR(source->index))));
1193
1194     object_path = pa_dbusiface_device_get_path(dbus_source);
1195
1196     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
1197 }
1198
1199 static void handle_get_sample_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1200     pa_dbusiface_core *c = userdata;
1201     char *sample_name;
1202     pa_scache_entry *sample;
1203     pa_dbusiface_sample *dbus_sample;
1204     const char *object_path;
1205
1206     pa_assert(conn);
1207     pa_assert(msg);
1208     pa_assert(c);
1209
1210     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &sample_name, DBUS_TYPE_INVALID));
1211
1212     if (!(sample = pa_namereg_get(c->core, sample_name, PA_NAMEREG_SAMPLE))) {
1213         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "No such sample.");
1214         return;
1215     }
1216
1217     pa_assert_se((dbus_sample = pa_hashmap_get(c->samples, PA_UINT32_TO_PTR(sample->index))));
1218
1219     object_path = pa_dbusiface_sample_get_path(dbus_sample);
1220
1221     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
1222 }
1223
1224 static void handle_upload_sample(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1225     pa_dbusiface_core *c = userdata;
1226     DBusMessageIter msg_iter;
1227     DBusMessageIter array_iter;
1228     const char *name;
1229     dbus_uint32_t sample_format;
1230     dbus_uint32_t sample_rate;
1231     const dbus_uint32_t *channels;
1232     int n_channels;
1233     const dbus_uint32_t *default_volume;
1234     int n_volume_entries;
1235     pa_proplist *property_list;
1236     const uint8_t *data;
1237     int data_length;
1238     int i;
1239     pa_sample_spec ss;
1240     pa_channel_map map;
1241     pa_memchunk chunk;
1242     uint32_t idx;
1243     pa_dbusiface_sample *dbus_sample = NULL;
1244     pa_scache_entry *sample = NULL;
1245     const char *object_path;
1246
1247     pa_assert(conn);
1248     pa_assert(msg);
1249     pa_assert(c);
1250
1251     chunk.memblock = NULL;
1252
1253     pa_assert_se(dbus_message_iter_init(msg, &msg_iter));
1254     dbus_message_iter_get_basic(&msg_iter, &name);
1255
1256     pa_assert_se(dbus_message_iter_next(&msg_iter));
1257     dbus_message_iter_get_basic(&msg_iter, &sample_format);
1258
1259     pa_assert_se(dbus_message_iter_next(&msg_iter));
1260     dbus_message_iter_get_basic(&msg_iter, &sample_rate);
1261
1262     pa_assert_se(dbus_message_iter_next(&msg_iter));
1263     dbus_message_iter_recurse(&msg_iter, &array_iter);
1264     dbus_message_iter_get_fixed_array(&array_iter, &channels, &n_channels);
1265
1266     pa_assert_se(dbus_message_iter_next(&msg_iter));
1267     dbus_message_iter_recurse(&msg_iter, &array_iter);
1268     dbus_message_iter_get_fixed_array(&array_iter, &default_volume, &n_volume_entries);
1269
1270     pa_assert_se(dbus_message_iter_next(&msg_iter));
1271     if (!(property_list = pa_dbus_get_proplist_arg(conn, msg, &msg_iter)))
1272         return;
1273
1274     dbus_message_iter_recurse(&msg_iter, &array_iter);
1275     dbus_message_iter_get_fixed_array(&array_iter, &data, &data_length);
1276
1277     if (sample_format >= PA_SAMPLE_MAX) {
1278         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid sample format.");
1279         goto finish;
1280     }
1281
1282     if (sample_rate <= 0 || sample_rate > PA_RATE_MAX) {
1283         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid sample rate.");
1284         goto finish;
1285     }
1286
1287     if (n_channels <= 0) {
1288         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Empty channel map.");
1289         goto finish;
1290     }
1291
1292     if (n_channels > (int) PA_CHANNELS_MAX) {
1293         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS,
1294                            "Too many channels: %i. The maximum is %u.", n_channels, PA_CHANNELS_MAX);
1295         goto finish;
1296     }
1297
1298     for (i = 0; i < n_channels; ++i) {
1299         if (channels[i] >= PA_CHANNEL_POSITION_MAX) {
1300             pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid channel position.");
1301             goto finish;
1302         }
1303     }
1304
1305     if (n_volume_entries != 0 && n_volume_entries != n_channels) {
1306         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS,
1307                            "The channels and default_volume arguments have different number of elements (%i and %i, resp).",
1308                            n_channels, n_volume_entries);
1309         goto finish;
1310     }
1311
1312     for (i = 0; i < n_volume_entries; ++i) {
1313         if (default_volume[i] > PA_VOLUME_MAX) {
1314             pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid volume: %u.", default_volume[i]);
1315             goto finish;
1316         }
1317     }
1318
1319     if (data_length == 0) {
1320         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Empty data.");
1321         goto finish;
1322     }
1323
1324     if (data_length > PA_SCACHE_ENTRY_SIZE_MAX) {
1325         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS,
1326                            "Too big sample: %i bytes. The maximum sample length is %u bytes.",
1327                            data_length, PA_SCACHE_ENTRY_SIZE_MAX);
1328         goto finish;
1329     }
1330
1331     ss.format = sample_format;
1332     ss.rate = sample_rate;
1333     ss.channels = n_channels;
1334
1335     pa_assert(pa_sample_spec_valid(&ss));
1336
1337     if (!pa_frame_aligned(data_length, &ss)) {
1338         char buf[PA_SAMPLE_SPEC_SNPRINT_MAX];
1339         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS,
1340                            "The sample length (%i bytes) doesn't align with the sample format and channels (%s).",
1341                            data_length, pa_sample_spec_snprint(buf, sizeof(buf), &ss));
1342         goto finish;
1343     }
1344
1345     map.channels = n_channels;
1346     for (i = 0; i < n_channels; ++i)
1347         map.map[i] = channels[i];
1348
1349     chunk.memblock = pa_memblock_new(c->core->mempool, data_length);
1350     chunk.index = 0;
1351     chunk.length = data_length;
1352
1353     memcpy(pa_memblock_acquire(chunk.memblock), data, data_length);
1354     pa_memblock_release(chunk.memblock);
1355
1356     if (pa_scache_add_item(c->core, name, &ss, &map, &chunk, property_list, &idx) < 0) {
1357         pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "Adding the sample failed.");
1358         goto finish;
1359     }
1360
1361     sample = pa_idxset_get_by_index(c->core->scache, idx);
1362
1363     if (n_volume_entries > 0) {
1364         sample->volume.channels = n_channels;
1365         for (i = 0; i < n_volume_entries; ++i)
1366             sample->volume.values[i] = default_volume[i];
1367         sample->volume_is_set = TRUE;
1368     } else {
1369         sample->volume_is_set = FALSE;
1370     }
1371
1372     dbus_sample = pa_dbusiface_sample_new(c, sample);
1373     pa_hashmap_put(c->samples, PA_UINT32_TO_PTR(idx), dbus_sample);
1374
1375     object_path = pa_dbusiface_sample_get_path(dbus_sample);
1376
1377     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
1378
1379 finish:
1380     if (property_list)
1381         pa_proplist_free(property_list);
1382
1383     if (chunk.memblock)
1384         pa_memblock_unref(chunk.memblock);
1385 }
1386
1387 static pa_bool_t contains_space(const char *string) {
1388     const char *p;
1389
1390     pa_assert(string);
1391
1392     for (p = string; *p; ++p) {
1393         if (isspace(*p))
1394             return TRUE;
1395     }
1396
1397     return FALSE;
1398 }
1399
1400 static void handle_load_module(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1401     pa_dbusiface_core *c = userdata;
1402     DBusMessageIter msg_iter;
1403     DBusMessageIter dict_iter;
1404     DBusMessageIter dict_entry_iter;
1405     char *name = NULL;
1406     const char *key = NULL;
1407     const char *value = NULL;
1408     char *escaped_value = NULL;
1409     pa_strbuf *arg_buffer = NULL;
1410     char *arg_string = NULL;
1411     pa_module *module = NULL;
1412     pa_dbusiface_module *dbus_module = NULL;
1413     const char *object_path = NULL;
1414
1415     pa_assert(conn);
1416     pa_assert(msg);
1417     pa_assert(c);
1418
1419     if (c->core->disallow_module_loading) {
1420         pa_dbus_send_error(conn, msg, DBUS_ERROR_ACCESS_DENIED, "The server is configured to disallow module loading.");
1421         return;
1422     }
1423
1424     pa_assert_se(dbus_message_iter_init(msg, &msg_iter));
1425     dbus_message_iter_get_basic(&msg_iter, &name);
1426
1427     arg_buffer = pa_strbuf_new();
1428
1429     pa_assert_se(dbus_message_iter_next(&msg_iter));
1430     dbus_message_iter_recurse(&msg_iter, &dict_iter);
1431
1432     while (dbus_message_iter_get_arg_type(&dict_iter) != DBUS_TYPE_INVALID) {
1433         if (!pa_strbuf_isempty(arg_buffer))
1434             pa_strbuf_putc(arg_buffer, ' ');
1435
1436         dbus_message_iter_recurse(&dict_iter, &dict_entry_iter);
1437
1438         dbus_message_iter_get_basic(&dict_entry_iter, &key);
1439
1440         if (strlen(key) <= 0 || !pa_ascii_valid(key) || contains_space(key)) {
1441             pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid module argument name: %s", key);
1442             goto finish;
1443         }
1444
1445         pa_assert_se(dbus_message_iter_next(&dict_entry_iter));
1446         dbus_message_iter_get_basic(&dict_entry_iter, &value);
1447
1448         escaped_value = pa_escape(value, "\"");
1449         pa_strbuf_printf(arg_buffer, "%s=\"%s\"", key, escaped_value);
1450         pa_xfree(escaped_value);
1451
1452         dbus_message_iter_next(&dict_iter);
1453     }
1454
1455     arg_string = pa_strbuf_tostring(arg_buffer);
1456
1457     if (!(module = pa_module_load(c->core, name, arg_string))) {
1458         pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "Failed to load module.");
1459         goto finish;
1460     }
1461
1462     dbus_module = pa_dbusiface_module_new(module);
1463     pa_hashmap_put(c->modules, PA_UINT32_TO_PTR(module->index), dbus_module);
1464
1465     object_path = pa_dbusiface_module_get_path(dbus_module);
1466
1467     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
1468
1469 finish:
1470     if (arg_buffer)
1471         pa_strbuf_free(arg_buffer);
1472
1473     pa_xfree(arg_string);
1474 }
1475
1476 static void handle_exit(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1477     pa_dbusiface_core *c = userdata;
1478
1479     pa_assert(conn);
1480     pa_assert(msg);
1481     pa_assert(c);
1482
1483     if (c->core->disallow_exit) {
1484         pa_dbus_send_error(conn, msg, DBUS_ERROR_ACCESS_DENIED, "The server is configured to disallow exiting.");
1485         return;
1486     }
1487
1488     pa_dbus_send_empty_reply(conn, msg);
1489
1490     pa_core_exit(c->core, FALSE, 0);
1491 }
1492
1493 static void handle_listen_for_signal(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1494     pa_dbusiface_core *c = userdata;
1495     const char *signal_str;
1496     char **objects = NULL;
1497     int n_objects;
1498
1499     pa_assert(conn);
1500     pa_assert(msg);
1501     pa_assert(c);
1502
1503     pa_assert_se(dbus_message_get_args(msg, NULL,
1504                                        DBUS_TYPE_STRING, &signal_str,
1505                                        DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &objects, &n_objects,
1506                                        DBUS_TYPE_INVALID));
1507
1508     pa_dbus_protocol_add_signal_listener(c->dbus_protocol, conn, *signal_str ? signal_str : NULL, objects, n_objects);
1509
1510     pa_dbus_send_empty_reply(conn, msg);
1511
1512     dbus_free_string_array(objects);
1513 }
1514
1515 static void handle_stop_listening_for_signal(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1516     pa_dbusiface_core *c = userdata;
1517     const char *signal_str;
1518
1519     pa_assert(conn);
1520     pa_assert(msg);
1521     pa_assert(c);
1522
1523     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &signal_str, DBUS_TYPE_INVALID));
1524
1525     pa_dbus_protocol_remove_signal_listener(c->dbus_protocol, conn, *signal_str ? signal_str : NULL);
1526
1527     pa_dbus_send_empty_reply(conn, msg);
1528 }
1529
1530 static void subscription_cb(pa_core *core, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
1531     pa_dbusiface_core *c = userdata;
1532     pa_dbusiface_card *card_iface = NULL;
1533     pa_dbusiface_device *device_iface = NULL;
1534     pa_dbusiface_stream *stream_iface = NULL;
1535     pa_dbusiface_sample *sample_iface = NULL;
1536     pa_dbusiface_module *module_iface = NULL;
1537     pa_dbusiface_client *client_iface = NULL;
1538     DBusMessage *signal_msg = NULL;
1539     const char *object_path = NULL;
1540     pa_sink *new_fallback_sink = NULL;
1541     pa_source *new_fallback_source = NULL;
1542
1543     pa_assert(c);
1544
1545     switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
1546         case PA_SUBSCRIPTION_EVENT_SERVER:
1547             new_fallback_sink = pa_namereg_get_default_sink(core);
1548             new_fallback_source = pa_namereg_get_default_source(core);
1549
1550             if (c->fallback_sink != new_fallback_sink) {
1551                 if (c->fallback_sink)
1552                     pa_sink_unref(c->fallback_sink);
1553                 c->fallback_sink = new_fallback_sink ? pa_sink_ref(new_fallback_sink) : NULL;
1554
1555                 if (c->fallback_sink) {
1556                     pa_assert_se(device_iface = pa_hashmap_get(c->sinks_by_index, PA_UINT32_TO_PTR(c->fallback_sink->index)));
1557                     object_path = pa_dbusiface_device_get_path(device_iface);
1558
1559                     pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1560                                                                        PA_DBUS_CORE_INTERFACE,
1561                                                                        signals[SIGNAL_FALLBACK_SINK_UPDATED].name)));
1562                     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1563                     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1564                     dbus_message_unref(signal_msg);
1565                     signal_msg = NULL;
1566
1567                 } else {
1568                     pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1569                                                                        PA_DBUS_CORE_INTERFACE,
1570                                                                        signals[SIGNAL_FALLBACK_SINK_UNSET].name)));
1571                     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1572                     dbus_message_unref(signal_msg);
1573                     signal_msg = NULL;
1574                 }
1575             }
1576
1577             if (c->fallback_source != new_fallback_source) {
1578                 if (c->fallback_source)
1579                     pa_source_unref(c->fallback_source);
1580                 c->fallback_source = new_fallback_source ? pa_source_ref(new_fallback_source) : NULL;
1581
1582                 if (c->fallback_source) {
1583                     pa_assert_se(device_iface = pa_hashmap_get(c->sources_by_index, PA_UINT32_TO_PTR(c->fallback_source->index)));
1584                     object_path = pa_dbusiface_device_get_path(device_iface);
1585
1586                     pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1587                                                                        PA_DBUS_CORE_INTERFACE,
1588                                                                        signals[SIGNAL_FALLBACK_SOURCE_UPDATED].name)));
1589                     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1590                     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1591                     dbus_message_unref(signal_msg);
1592                     signal_msg = NULL;
1593
1594                 } else {
1595                     pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1596                                                                        PA_DBUS_CORE_INTERFACE,
1597                                                                        signals[SIGNAL_FALLBACK_SOURCE_UNSET].name)));
1598                     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1599                     dbus_message_unref(signal_msg);
1600                     signal_msg = NULL;
1601                 }
1602             }
1603             break;
1604
1605         case PA_SUBSCRIPTION_EVENT_CARD:
1606             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW) {
1607                 if (!(card_iface = pa_hashmap_get(c->cards, PA_UINT32_TO_PTR(idx)))) {
1608                     pa_card *card = NULL;
1609
1610                     if (!(card = pa_idxset_get_by_index(core->cards, idx)))
1611                         return; /* The card was removed immediately after creation. */
1612
1613                     card_iface = pa_dbusiface_card_new(c, card);
1614                     pa_hashmap_put(c->cards, PA_UINT32_TO_PTR(idx), card_iface);
1615                 }
1616
1617                 object_path = pa_dbusiface_card_get_path(card_iface);
1618
1619                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1620                                                                    PA_DBUS_CORE_INTERFACE,
1621                                                                    signals[SIGNAL_NEW_CARD].name)));
1622                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1623
1624             } else if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
1625                 if (!(card_iface = pa_hashmap_remove(c->cards, PA_UINT32_TO_PTR(idx))))
1626                     return;
1627
1628                 object_path = pa_dbusiface_card_get_path(card_iface);
1629
1630                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1631                                                                    PA_DBUS_CORE_INTERFACE,
1632                                                                    signals[SIGNAL_CARD_REMOVED].name)));
1633                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1634
1635                 pa_dbusiface_card_free(card_iface);
1636             }
1637             break;
1638
1639         case PA_SUBSCRIPTION_EVENT_SINK_INPUT:
1640             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW) {
1641                 pa_sink_input *sink_input = NULL;
1642
1643                 if (!(sink_input = pa_idxset_get_by_index(core->sink_inputs, idx)))
1644                     return; /* The sink input was removed immediately after creation. */
1645
1646                 if (!(stream_iface = pa_hashmap_get(c->playback_streams, PA_UINT32_TO_PTR(idx)))) {
1647                     stream_iface = pa_dbusiface_stream_new_playback(c, sink_input);
1648                     pa_hashmap_put(c->playback_streams, PA_UINT32_TO_PTR(idx), stream_iface);
1649                 }
1650
1651                 object_path = pa_dbusiface_stream_get_path(stream_iface);
1652
1653                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1654                                                                    PA_DBUS_CORE_INTERFACE,
1655                                                                    signals[SIGNAL_NEW_PLAYBACK_STREAM].name)));
1656                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1657
1658             } else if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
1659                 if (!(stream_iface = pa_hashmap_remove(c->playback_streams, PA_UINT32_TO_PTR(idx))))
1660                     return;
1661
1662                 object_path = pa_dbusiface_stream_get_path(stream_iface);
1663
1664                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1665                                                                    PA_DBUS_CORE_INTERFACE,
1666                                                                    signals[SIGNAL_PLAYBACK_STREAM_REMOVED].name)));
1667                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1668
1669                 pa_dbusiface_stream_free(stream_iface);
1670             }
1671             break;
1672
1673         case PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT:
1674             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW) {
1675                 pa_source_output *source_output = NULL;
1676
1677                 if (!(source_output = pa_idxset_get_by_index(core->source_outputs, idx)))
1678                     return; /* The source output was removed immediately after creation. */
1679
1680                 if (!(stream_iface = pa_hashmap_get(c->record_streams, PA_UINT32_TO_PTR(idx)))) {
1681                     stream_iface = pa_dbusiface_stream_new_record(c, source_output);
1682                     pa_hashmap_put(c->record_streams, PA_UINT32_TO_PTR(idx), stream_iface);
1683                 }
1684
1685                 object_path = pa_dbusiface_stream_get_path(stream_iface);
1686
1687                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1688                                                                    PA_DBUS_CORE_INTERFACE,
1689                                                                    signals[SIGNAL_NEW_RECORD_STREAM].name)));
1690                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1691
1692             } else if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
1693                 if (!(stream_iface = pa_hashmap_remove(c->record_streams, PA_UINT32_TO_PTR(idx))))
1694                     return;
1695
1696                 object_path = pa_dbusiface_stream_get_path(stream_iface);
1697
1698                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1699                                                                    PA_DBUS_CORE_INTERFACE,
1700                                                                    signals[SIGNAL_RECORD_STREAM_REMOVED].name)));
1701                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1702
1703                 pa_dbusiface_stream_free(stream_iface);
1704             }
1705             break;
1706
1707         case PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE:
1708             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW) {
1709                 pa_scache_entry *sample = NULL;
1710
1711                 if (!(sample = pa_idxset_get_by_index(core->scache, idx)))
1712                     return; /* The sample was removed immediately after creation. */
1713
1714                 if (!(sample_iface = pa_hashmap_get(c->samples, PA_UINT32_TO_PTR(idx)))) {
1715                     sample_iface = pa_dbusiface_sample_new(c, sample);
1716                     pa_hashmap_put(c->samples, PA_UINT32_TO_PTR(idx), sample_iface);
1717                 }
1718
1719                 object_path = pa_dbusiface_sample_get_path(sample_iface);
1720
1721                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1722                                                                    PA_DBUS_CORE_INTERFACE,
1723                                                                    signals[SIGNAL_NEW_SAMPLE].name)));
1724                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1725
1726             } else if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
1727                 if (!(sample_iface = pa_hashmap_remove(c->samples, PA_UINT32_TO_PTR(idx))))
1728                     return;
1729
1730                 object_path = pa_dbusiface_sample_get_path(sample_iface);
1731
1732                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1733                                                                    PA_DBUS_CORE_INTERFACE,
1734                                                                    signals[SIGNAL_SAMPLE_REMOVED].name)));
1735                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1736
1737                 pa_dbusiface_sample_free(sample_iface);
1738             }
1739             break;
1740
1741         case PA_SUBSCRIPTION_EVENT_MODULE:
1742             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW) {
1743                 pa_module *module = NULL;
1744
1745                 if (!(module = pa_idxset_get_by_index(core->modules, idx)))
1746                     return; /* The module was removed immediately after creation. */
1747
1748                 if (!(module_iface = pa_hashmap_get(c->modules, PA_UINT32_TO_PTR(idx)))) {
1749                     module_iface = pa_dbusiface_module_new(module);
1750                     pa_hashmap_put(c->modules, PA_UINT32_TO_PTR(idx), module_iface);
1751                 }
1752
1753                 object_path = pa_dbusiface_module_get_path(module_iface);
1754
1755                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1756                                                                    PA_DBUS_CORE_INTERFACE,
1757                                                                    signals[SIGNAL_NEW_MODULE].name)));
1758                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1759
1760             } else if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
1761                 if (!(module_iface = pa_hashmap_remove(c->modules, PA_UINT32_TO_PTR(idx))))
1762                     return;
1763
1764                 object_path = pa_dbusiface_module_get_path(module_iface);
1765
1766                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1767                                                                    PA_DBUS_CORE_INTERFACE,
1768                                                                    signals[SIGNAL_MODULE_REMOVED].name)));
1769                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1770
1771                 pa_dbusiface_module_free(module_iface);
1772             }
1773             break;
1774
1775         case PA_SUBSCRIPTION_EVENT_CLIENT:
1776             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW) {
1777                 pa_client *client = NULL;
1778
1779                 if (!(client = pa_idxset_get_by_index(core->clients, idx)))
1780                     return; /* The client was removed immediately after creation. */
1781
1782                 if (!(client_iface = pa_hashmap_get(c->clients, PA_UINT32_TO_PTR(idx)))) {
1783                     client_iface = pa_dbusiface_client_new(c, client);
1784                     pa_hashmap_put(c->clients, PA_UINT32_TO_PTR(idx), client_iface);
1785                 }
1786
1787                 object_path = pa_dbusiface_client_get_path(client_iface);
1788
1789                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1790                                                                    PA_DBUS_CORE_INTERFACE,
1791                                                                    signals[SIGNAL_NEW_CLIENT].name)));
1792                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1793
1794             } else if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
1795                 if (!(client_iface = pa_hashmap_remove(c->clients, PA_UINT32_TO_PTR(idx))))
1796                     return;
1797
1798                 object_path = pa_dbusiface_client_get_path(client_iface);
1799
1800                 pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1801                                                                    PA_DBUS_CORE_INTERFACE,
1802                                                                    signals[SIGNAL_CLIENT_REMOVED].name)));
1803                 pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1804
1805                 pa_dbusiface_client_free(client_iface);
1806             }
1807             break;
1808     }
1809
1810     if (signal_msg) {
1811         pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1812         dbus_message_unref(signal_msg);
1813     }
1814 }
1815
1816 static pa_hook_result_t sink_put_cb(void *hook_data, void *call_data, void *slot_data) {
1817     pa_dbusiface_core *c = slot_data;
1818     pa_sink *s = call_data;
1819     pa_dbusiface_device *d = NULL;
1820     const char *object_path = NULL;
1821     DBusMessage *signal_msg = NULL;
1822
1823     pa_assert(c);
1824     pa_assert(s);
1825
1826     d = pa_dbusiface_device_new_sink(c, s);
1827     object_path = pa_dbusiface_device_get_path(d);
1828
1829     pa_assert_se(pa_hashmap_put(c->sinks_by_index, PA_UINT32_TO_PTR(s->index), d) >= 0);
1830     pa_assert_se(pa_hashmap_put(c->sinks_by_path, object_path, d) >= 0);
1831
1832     pa_assert_se(signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1833                                                       PA_DBUS_CORE_INTERFACE,
1834                                                       signals[SIGNAL_NEW_SINK].name));
1835     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1836
1837     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1838     dbus_message_unref(signal_msg);
1839
1840     return PA_HOOK_OK;
1841 }
1842
1843 static pa_hook_result_t sink_unlink_cb(void *hook_data, void *call_data, void *slot_data) {
1844     pa_dbusiface_core *c = slot_data;
1845     pa_sink *s = call_data;
1846     pa_dbusiface_device *d = NULL;
1847     const char *object_path = NULL;
1848     DBusMessage *signal_msg = NULL;
1849
1850     pa_assert(c);
1851     pa_assert(s);
1852
1853     pa_assert_se(d = pa_hashmap_remove(c->sinks_by_index, PA_UINT32_TO_PTR(s->index)));
1854     object_path = pa_dbusiface_device_get_path(d);
1855     pa_assert_se(pa_hashmap_remove(c->sinks_by_path, object_path));
1856
1857     pa_assert_se(signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1858                                                       PA_DBUS_CORE_INTERFACE,
1859                                                       signals[SIGNAL_SINK_REMOVED].name));
1860     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1861
1862     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1863     dbus_message_unref(signal_msg);
1864
1865     pa_dbusiface_device_free(d);
1866
1867     return PA_HOOK_OK;
1868 }
1869
1870 static pa_hook_result_t source_put_cb(void *hook_data, void *call_data, void *slot_data) {
1871     pa_dbusiface_core *c = slot_data;
1872     pa_source *s = call_data;
1873     pa_dbusiface_device *d = NULL;
1874     const char *object_path = NULL;
1875     DBusMessage *signal_msg = NULL;
1876
1877     pa_assert(c);
1878     pa_assert(s);
1879
1880     d = pa_dbusiface_device_new_source(c, s);
1881     object_path = pa_dbusiface_device_get_path(d);
1882
1883     pa_assert_se(pa_hashmap_put(c->sources_by_index, PA_UINT32_TO_PTR(s->index), d) >= 0);
1884     pa_assert_se(pa_hashmap_put(c->sources_by_path, object_path, d) >= 0);
1885
1886     pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1887                                                        PA_DBUS_CORE_INTERFACE,
1888                                                        signals[SIGNAL_NEW_SOURCE].name)));
1889     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1890
1891     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1892     dbus_message_unref(signal_msg);
1893
1894     return PA_HOOK_OK;
1895 }
1896
1897 static pa_hook_result_t source_unlink_cb(void *hook_data, void *call_data, void *slot_data) {
1898     pa_dbusiface_core *c = slot_data;
1899     pa_source *s = call_data;
1900     pa_dbusiface_device *d = NULL;
1901     const char *object_path = NULL;
1902     DBusMessage *signal_msg = NULL;
1903
1904     pa_assert(c);
1905     pa_assert(s);
1906
1907     pa_assert_se(d = pa_hashmap_remove(c->sources_by_index, PA_UINT32_TO_PTR(s->index)));
1908     object_path = pa_dbusiface_device_get_path(d);
1909     pa_assert_se(pa_hashmap_remove(c->sources_by_path, object_path));
1910
1911     pa_assert_se(signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1912                                                       PA_DBUS_CORE_INTERFACE,
1913                                                       signals[SIGNAL_SOURCE_REMOVED].name));
1914     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1915
1916     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1917     dbus_message_unref(signal_msg);
1918
1919     pa_dbusiface_device_free(d);
1920
1921     return PA_HOOK_OK;
1922 }
1923
1924 static pa_hook_result_t extension_registered_cb(void *hook_data, void *call_data, void *slot_data) {
1925     pa_dbusiface_core *c = slot_data;
1926     const char *ext_name = call_data;
1927     DBusMessage *signal_msg = NULL;
1928
1929     pa_assert(c);
1930     pa_assert(ext_name);
1931
1932     pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1933                                                        PA_DBUS_CORE_INTERFACE,
1934                                                        signals[SIGNAL_NEW_EXTENSION].name)));
1935     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_STRING, &ext_name, DBUS_TYPE_INVALID));
1936
1937     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1938     dbus_message_unref(signal_msg);
1939
1940     return PA_HOOK_OK;
1941 }
1942
1943 static pa_hook_result_t extension_unregistered_cb(void *hook_data, void *call_data, void *slot_data) {
1944     pa_dbusiface_core *c = slot_data;
1945     const char *ext_name = call_data;
1946     DBusMessage *signal_msg = NULL;
1947
1948     pa_assert(c);
1949     pa_assert(ext_name);
1950
1951     pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
1952                                                        PA_DBUS_CORE_INTERFACE,
1953                                                        signals[SIGNAL_EXTENSION_REMOVED].name)));
1954     pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_STRING, &ext_name, DBUS_TYPE_INVALID));
1955
1956     pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
1957     dbus_message_unref(signal_msg);
1958
1959     return PA_HOOK_OK;
1960 }
1961
1962 pa_dbusiface_core *pa_dbusiface_core_new(pa_core *core) {
1963     pa_dbusiface_core *c;
1964     pa_card *card;
1965     pa_sink *sink;
1966     pa_source *source;
1967     pa_dbusiface_device *device;
1968     pa_sink_input *sink_input;
1969     pa_source_output *source_output;
1970     pa_scache_entry *sample;
1971     pa_module *module;
1972     pa_client *client;
1973     uint32_t idx;
1974
1975     pa_assert(core);
1976
1977     c = pa_xnew(pa_dbusiface_core, 1);
1978     c->core = pa_core_ref(core);
1979     c->subscription = pa_subscription_new(core, PA_SUBSCRIPTION_MASK_ALL, subscription_cb, c);
1980     c->dbus_protocol = pa_dbus_protocol_get(core);
1981     c->cards = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1982     c->sinks_by_index = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1983     c->sinks_by_path = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
1984     c->sources_by_index = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1985     c->sources_by_path = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
1986     c->playback_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1987     c->record_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1988     c->samples = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1989     c->modules = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1990     c->clients = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1991     c->fallback_sink = pa_namereg_get_default_sink(core);
1992     c->fallback_source = pa_namereg_get_default_source(core);
1993     c->sink_put_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_NORMAL, sink_put_cb, c);
1994     c->sink_unlink_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_NORMAL, sink_unlink_cb, c);
1995     c->source_put_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_NORMAL, source_put_cb, c);
1996     c->source_unlink_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_NORMAL, source_unlink_cb, c);
1997     c->extension_registered_slot = pa_dbus_protocol_hook_connect(c->dbus_protocol,
1998                                                                  PA_DBUS_PROTOCOL_HOOK_EXTENSION_REGISTERED,
1999                                                                  PA_HOOK_NORMAL,
2000                                                                  extension_registered_cb,
2001                                                                  c);
2002     c->extension_unregistered_slot = pa_dbus_protocol_hook_connect(c->dbus_protocol,
2003                                                                    PA_DBUS_PROTOCOL_HOOK_EXTENSION_UNREGISTERED,
2004                                                                    PA_HOOK_NORMAL,
2005                                                                    extension_unregistered_cb,
2006                                                                    c);
2007     c->memstats = pa_dbusiface_memstats_new(c, core);
2008
2009     if (c->fallback_sink)
2010         pa_sink_ref(c->fallback_sink);
2011     if (c->fallback_source)
2012         pa_source_ref(c->fallback_source);
2013
2014     PA_IDXSET_FOREACH(card, core->cards, idx)
2015         pa_hashmap_put(c->cards, PA_UINT32_TO_PTR(idx), pa_dbusiface_card_new(c, card));
2016
2017     PA_IDXSET_FOREACH(sink, core->sinks, idx) {
2018         device = pa_dbusiface_device_new_sink(c, sink);
2019         pa_hashmap_put(c->sinks_by_index, PA_UINT32_TO_PTR(idx), device);
2020         pa_hashmap_put(c->sinks_by_path, pa_dbusiface_device_get_path(device), device);
2021     }
2022
2023     PA_IDXSET_FOREACH(source, core->sources, idx) {
2024         device = pa_dbusiface_device_new_source(c, source);
2025         pa_hashmap_put(c->sources_by_index, PA_UINT32_TO_PTR(idx), device);
2026         pa_hashmap_put(c->sources_by_path, pa_dbusiface_device_get_path(device), device);
2027     }
2028
2029     PA_IDXSET_FOREACH(sink_input, core->sink_inputs, idx)
2030         pa_hashmap_put(c->playback_streams, PA_UINT32_TO_PTR(idx), pa_dbusiface_stream_new_playback(c, sink_input));
2031
2032     PA_IDXSET_FOREACH(source_output, core->source_outputs, idx)
2033         pa_hashmap_put(c->record_streams, PA_UINT32_TO_PTR(idx), pa_dbusiface_stream_new_record(c, source_output));
2034
2035     PA_IDXSET_FOREACH(sample, core->scache, idx)
2036         pa_hashmap_put(c->samples, PA_UINT32_TO_PTR(idx), pa_dbusiface_sample_new(c, sample));
2037
2038     PA_IDXSET_FOREACH(module, core->modules, idx)
2039         pa_hashmap_put(c->modules, PA_UINT32_TO_PTR(idx), pa_dbusiface_module_new(module));
2040
2041     PA_IDXSET_FOREACH(client, core->clients, idx)
2042         pa_hashmap_put(c->clients, PA_UINT32_TO_PTR(idx), pa_dbusiface_client_new(c, client));
2043
2044     pa_assert_se(pa_dbus_protocol_add_interface(c->dbus_protocol, PA_DBUS_CORE_OBJECT_PATH, &core_interface_info, c) >= 0);
2045
2046     return c;
2047 }
2048
2049 static void free_card_cb(void *p, void *userdata) {
2050     pa_dbusiface_card *c = p;
2051
2052     pa_assert(c);
2053
2054     pa_dbusiface_card_free(c);
2055 }
2056
2057 static void free_device_cb(void *p, void *userdata) {
2058     pa_dbusiface_device *d = p;
2059
2060     pa_assert(d);
2061
2062     pa_dbusiface_device_free(d);
2063 }
2064
2065 static void free_stream_cb(void *p, void *userdata) {
2066     pa_dbusiface_stream *s = p;
2067
2068     pa_assert(s);
2069
2070     pa_dbusiface_stream_free(s);
2071 }
2072
2073 static void free_sample_cb(void *p, void *userdata) {
2074     pa_dbusiface_sample *s = p;
2075
2076     pa_assert(s);
2077
2078     pa_dbusiface_sample_free(s);
2079 }
2080
2081 static void free_module_cb(void *p, void *userdata) {
2082     pa_dbusiface_module *m = p;
2083
2084     pa_assert(m);
2085
2086     pa_dbusiface_module_free(m);
2087 }
2088
2089 static void free_client_cb(void *p, void *userdata) {
2090     pa_dbusiface_client *c = p;
2091
2092     pa_assert(c);
2093
2094     pa_dbusiface_client_free(c);
2095 }
2096
2097 void pa_dbusiface_core_free(pa_dbusiface_core *c) {
2098     pa_assert(c);
2099
2100     pa_assert_se(pa_dbus_protocol_remove_interface(c->dbus_protocol, PA_DBUS_CORE_OBJECT_PATH, core_interface_info.name) >= 0);
2101
2102     pa_subscription_free(c->subscription);
2103     pa_hashmap_free(c->cards, free_card_cb, NULL);
2104     pa_hashmap_free(c->sinks_by_index, free_device_cb, NULL);
2105     pa_hashmap_free(c->sinks_by_path, NULL, NULL);
2106     pa_hashmap_free(c->sources_by_index, free_device_cb, NULL);
2107     pa_hashmap_free(c->sources_by_path, NULL, NULL);
2108     pa_hashmap_free(c->playback_streams, free_stream_cb, NULL);
2109     pa_hashmap_free(c->record_streams, free_stream_cb, NULL);
2110     pa_hashmap_free(c->samples, free_sample_cb, NULL);
2111     pa_hashmap_free(c->modules, free_module_cb, NULL);
2112     pa_hashmap_free(c->clients, free_client_cb, NULL);
2113     pa_hook_slot_free(c->sink_put_slot);
2114     pa_hook_slot_free(c->sink_unlink_slot);
2115     pa_hook_slot_free(c->source_put_slot);
2116     pa_hook_slot_free(c->source_unlink_slot);
2117     pa_hook_slot_free(c->extension_registered_slot);
2118     pa_hook_slot_free(c->extension_unregistered_slot);
2119     pa_dbusiface_memstats_free(c->memstats);
2120
2121     if (c->fallback_sink)
2122         pa_sink_unref(c->fallback_sink);
2123     if (c->fallback_source)
2124         pa_source_unref(c->fallback_source);
2125
2126     pa_dbus_protocol_unref(c->dbus_protocol);
2127     pa_core_unref(c->core);
2128
2129     pa_xfree(c);
2130 }
2131
2132 const char *pa_dbusiface_core_get_card_path(pa_dbusiface_core *c, const pa_card *card) {
2133     pa_assert(c);
2134     pa_assert(card);
2135
2136     return pa_dbusiface_card_get_path(pa_hashmap_get(c->cards, PA_UINT32_TO_PTR(card->index)));
2137 }
2138
2139 const char *pa_dbusiface_core_get_sink_path(pa_dbusiface_core *c, const pa_sink *sink) {
2140     pa_assert(c);
2141     pa_assert(sink);
2142
2143     return pa_dbusiface_device_get_path(pa_hashmap_get(c->sinks_by_index, PA_UINT32_TO_PTR(sink->index)));
2144 }
2145
2146 const char *pa_dbusiface_core_get_source_path(pa_dbusiface_core *c, const pa_source *source) {
2147     pa_assert(c);
2148     pa_assert(source);
2149
2150     return pa_dbusiface_device_get_path(pa_hashmap_get(c->sources_by_index, PA_UINT32_TO_PTR(source->index)));
2151 }
2152
2153 const char *pa_dbusiface_core_get_playback_stream_path(pa_dbusiface_core *c, const pa_sink_input *sink_input) {
2154     pa_assert(c);
2155     pa_assert(sink_input);
2156
2157     return pa_dbusiface_stream_get_path(pa_hashmap_get(c->playback_streams, PA_UINT32_TO_PTR(sink_input->index)));
2158 }
2159
2160 const char *pa_dbusiface_core_get_record_stream_path(pa_dbusiface_core *c, const pa_source_output *source_output) {
2161     pa_assert(c);
2162     pa_assert(source_output);
2163
2164     return pa_dbusiface_stream_get_path(pa_hashmap_get(c->record_streams, PA_UINT32_TO_PTR(source_output->index)));
2165 }
2166
2167 const char *pa_dbusiface_core_get_module_path(pa_dbusiface_core *c, const pa_module *module) {
2168     pa_assert(c);
2169     pa_assert(module);
2170
2171     return pa_dbusiface_module_get_path(pa_hashmap_get(c->modules, PA_UINT32_TO_PTR(module->index)));
2172 }
2173
2174 const char *pa_dbusiface_core_get_client_path(pa_dbusiface_core *c, const pa_client *client) {
2175     pa_assert(c);
2176     pa_assert(client);
2177
2178     return pa_dbusiface_client_get_path(pa_hashmap_get(c->clients, PA_UINT32_TO_PTR(client->index)));
2179 }
2180
2181 pa_sink *pa_dbusiface_core_get_sink(pa_dbusiface_core *c, const char *object_path) {
2182     pa_dbusiface_device *device = NULL;
2183
2184     pa_assert(c);
2185     pa_assert(object_path);
2186
2187     device = pa_hashmap_get(c->sinks_by_path, object_path);
2188
2189     if (device)
2190         return pa_dbusiface_device_get_sink(device);
2191     else
2192         return NULL;
2193 }
2194
2195 pa_source *pa_dbusiface_core_get_source(pa_dbusiface_core *c, const char *object_path) {
2196     pa_dbusiface_device *device = NULL;
2197
2198     pa_assert(c);
2199     pa_assert(object_path);
2200
2201     device = pa_hashmap_get(c->sources_by_path, object_path);
2202
2203     if (device)
2204         return pa_dbusiface_device_get_source(device);
2205     else
2206         return NULL;
2207 }