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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "device/bluetooth/bluetooth_audio_sink_bluez.h" | |
| 6 | |
| 7 #include <unistd.h> | |
| 8 | |
| 9 #include <algorithm> | |
| 10 #include <sstream> | |
| 11 #include <string> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/debug/stack_trace.h" | |
| 15 #include "base/files/file_util.h" | |
| 16 #include "base/logging.h" | |
| 17 #include "dbus/message.h" | |
| 18 #include "device/bluetooth/bluetooth_adapter_bluez.h" | |
| 19 #include "device/bluetooth/dbus/bluez_dbus_manager.h" | |
| 20 | |
| 21 using dbus::ObjectPath; | |
| 22 using device::BluetoothAudioSink; | |
| 23 | |
| 24 namespace { | |
| 25 | |
| 26 // TODO(mcchou): Add the constant to dbus/service_constants.h. | |
| 27 const char kBluetoothAudioSinkServicePath[] = "/org/chromium/AudioSink"; | |
| 28 | |
| 29 const int kInvalidFd = -1; | |
| 30 const uint16_t kInvalidReadMtu = 0; | |
| 31 const uint16_t kInvalidWriteMtu = 0; | |
| 32 | |
| 33 ObjectPath GenerateEndpointPath() { | |
| 34 static unsigned int sequence_number = 0; | |
| 35 ++sequence_number; | |
| 36 std::stringstream path; | |
| 37 path << kBluetoothAudioSinkServicePath << "/endpoint" << sequence_number; | |
| 38 return ObjectPath(path.str()); | |
| 39 } | |
| 40 | |
| 41 std::string StateToString(const BluetoothAudioSink::State& state) { | |
| 42 switch (state) { | |
| 43 case BluetoothAudioSink::STATE_INVALID: | |
| 44 return "invalid"; | |
| 45 case BluetoothAudioSink::STATE_DISCONNECTED: | |
| 46 return "disconnected"; | |
| 47 case BluetoothAudioSink::STATE_IDLE: | |
| 48 return "idle"; | |
| 49 case BluetoothAudioSink::STATE_PENDING: | |
| 50 return "pending"; | |
| 51 case BluetoothAudioSink::STATE_ACTIVE: | |
| 52 return "active"; | |
| 53 default: | |
| 54 return "unknown"; | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 std::string ErrorCodeToString(const BluetoothAudioSink::ErrorCode& error_code) { | |
| 59 switch (error_code) { | |
| 60 case BluetoothAudioSink::ERROR_UNSUPPORTED_PLATFORM: | |
| 61 return "unsupported platform"; | |
| 62 case BluetoothAudioSink::ERROR_INVALID_ADAPTER: | |
| 63 return "invalid adapter"; | |
| 64 case BluetoothAudioSink::ERROR_NOT_REGISTERED: | |
| 65 return "not registered"; | |
| 66 case BluetoothAudioSink::ERROR_NOT_UNREGISTERED: | |
| 67 return "not unregistered"; | |
| 68 default: | |
| 69 return "unknown"; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 // A dummy error callback for calling Unregister() in destructor. | |
| 74 void UnregisterErrorCallback(device::BluetoothAudioSink::ErrorCode error_code) { | |
| 75 VLOG(1) << "UnregisterErrorCallback - " << ErrorCodeToString(error_code) | |
| 76 << "(" << error_code << ")"; | |
| 77 } | |
| 78 | |
| 79 } // namespace | |
| 80 | |
| 81 namespace bluez { | |
| 82 | |
| 83 BluetoothAudioSinkBlueZ::BluetoothAudioSinkBlueZ( | |
| 84 scoped_refptr<device::BluetoothAdapter> adapter) | |
| 85 : state_(BluetoothAudioSink::STATE_INVALID), | |
| 86 volume_(BluetoothAudioSink::kInvalidVolume), | |
| 87 read_mtu_(kInvalidReadMtu), | |
| 88 write_mtu_(kInvalidWriteMtu), | |
| 89 read_has_failed_(false), | |
| 90 adapter_(adapter), | |
| 91 weak_ptr_factory_(this) { | |
| 92 VLOG(1) << "BluetoothAudioSinkBlueZ created"; | |
| 93 | |
| 94 CHECK(adapter_.get()); | |
| 95 CHECK(adapter_->IsPresent()); | |
| 96 CHECK(bluez::BluezDBusManager::IsInitialized()); | |
| 97 | |
| 98 adapter_->AddObserver(this); | |
| 99 | |
| 100 bluez::BluetoothMediaClient* media = | |
| 101 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 102 CHECK(media); | |
| 103 media->AddObserver(this); | |
| 104 | |
| 105 bluez::BluetoothMediaTransportClient* transport = | |
| 106 bluez::BluezDBusManager::Get()->GetBluetoothMediaTransportClient(); | |
| 107 CHECK(transport); | |
| 108 transport->AddObserver(this); | |
| 109 | |
| 110 StateChanged(device::BluetoothAudioSink::STATE_DISCONNECTED); | |
| 111 } | |
| 112 | |
| 113 BluetoothAudioSinkBlueZ::~BluetoothAudioSinkBlueZ() { | |
| 114 VLOG(1) << "BluetoothAudioSinkBlueZ destroyed"; | |
| 115 | |
| 116 DCHECK(adapter_.get()); | |
| 117 | |
| 118 if (state_ != BluetoothAudioSink::STATE_INVALID && media_endpoint_.get()) { | |
| 119 Unregister(base::Bind(&base::DoNothing), | |
| 120 base::Bind(&UnregisterErrorCallback)); | |
| 121 } | |
| 122 | |
| 123 adapter_->RemoveObserver(this); | |
| 124 | |
| 125 bluez::BluetoothMediaClient* media = | |
| 126 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 127 CHECK(media); | |
| 128 media->RemoveObserver(this); | |
| 129 | |
| 130 bluez::BluetoothMediaTransportClient* transport = | |
| 131 bluez::BluezDBusManager::Get()->GetBluetoothMediaTransportClient(); | |
| 132 CHECK(transport); | |
| 133 transport->RemoveObserver(this); | |
| 134 } | |
| 135 | |
| 136 void BluetoothAudioSinkBlueZ::Unregister( | |
| 137 const base::Closure& callback, | |
| 138 const device::BluetoothAudioSink::ErrorCallback& error_callback) { | |
| 139 VLOG(1) << "Unregister"; | |
| 140 | |
| 141 if (!bluez::BluezDBusManager::IsInitialized()) | |
| 142 error_callback.Run(BluetoothAudioSink::ERROR_NOT_UNREGISTERED); | |
| 143 | |
| 144 bluez::BluetoothMediaClient* media = | |
| 145 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 146 CHECK(media); | |
| 147 | |
| 148 media->UnregisterEndpoint( | |
| 149 media_path_, endpoint_path_, | |
| 150 base::Bind(&BluetoothAudioSinkBlueZ::OnUnregisterSucceeded, | |
| 151 weak_ptr_factory_.GetWeakPtr(), callback), | |
| 152 base::Bind(&BluetoothAudioSinkBlueZ::OnUnregisterFailed, | |
| 153 weak_ptr_factory_.GetWeakPtr(), error_callback)); | |
| 154 } | |
| 155 | |
| 156 void BluetoothAudioSinkBlueZ::AddObserver( | |
| 157 BluetoothAudioSink::Observer* observer) { | |
| 158 CHECK(observer); | |
| 159 observers_.AddObserver(observer); | |
| 160 } | |
| 161 | |
| 162 void BluetoothAudioSinkBlueZ::RemoveObserver( | |
| 163 BluetoothAudioSink::Observer* observer) { | |
| 164 CHECK(observer); | |
| 165 observers_.RemoveObserver(observer); | |
| 166 } | |
| 167 | |
| 168 BluetoothAudioSink::State BluetoothAudioSinkBlueZ::GetState() const { | |
| 169 return state_; | |
| 170 } | |
| 171 | |
| 172 uint16_t BluetoothAudioSinkBlueZ::GetVolume() const { | |
| 173 return volume_; | |
| 174 } | |
| 175 | |
| 176 void BluetoothAudioSinkBlueZ::Register( | |
| 177 const BluetoothAudioSink::Options& options, | |
| 178 const base::Closure& callback, | |
| 179 const BluetoothAudioSink::ErrorCallback& error_callback) { | |
| 180 VLOG(1) << "Register"; | |
| 181 | |
| 182 DCHECK(adapter_.get()); | |
| 183 DCHECK_EQ(state_, BluetoothAudioSink::STATE_DISCONNECTED); | |
| 184 | |
| 185 // Gets system bus. | |
| 186 dbus::Bus* system_bus = bluez::BluezDBusManager::Get()->GetSystemBus(); | |
| 187 | |
| 188 // Creates a Media Endpoint with newly-generated path. | |
| 189 endpoint_path_ = GenerateEndpointPath(); | |
| 190 media_endpoint_.reset(bluez::BluetoothMediaEndpointServiceProvider::Create( | |
| 191 system_bus, endpoint_path_, this)); | |
| 192 | |
| 193 DCHECK(media_endpoint_.get()); | |
| 194 | |
| 195 // Creates endpoint properties with |options|. | |
| 196 options_ = options; | |
| 197 bluez::BluetoothMediaClient::EndpointProperties endpoint_properties; | |
| 198 endpoint_properties.uuid = | |
| 199 bluez::BluetoothMediaClient::kBluetoothAudioSinkUUID; | |
| 200 endpoint_properties.codec = options_.codec; | |
| 201 endpoint_properties.capabilities = options_.capabilities; | |
| 202 | |
| 203 media_path_ = | |
| 204 static_cast<BluetoothAdapterBlueZ*>(adapter_.get())->object_path(); | |
| 205 | |
| 206 bluez::BluetoothMediaClient* media = | |
| 207 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 208 CHECK(media); | |
| 209 media->RegisterEndpoint( | |
| 210 media_path_, endpoint_path_, endpoint_properties, | |
| 211 base::Bind(&BluetoothAudioSinkBlueZ::OnRegisterSucceeded, | |
| 212 weak_ptr_factory_.GetWeakPtr(), callback), | |
| 213 base::Bind(&BluetoothAudioSinkBlueZ::OnRegisterFailed, | |
| 214 weak_ptr_factory_.GetWeakPtr(), error_callback)); | |
| 215 } | |
| 216 | |
| 217 bluez::BluetoothMediaEndpointServiceProvider* | |
| 218 BluetoothAudioSinkBlueZ::GetEndpointServiceProvider() { | |
| 219 return media_endpoint_.get(); | |
| 220 } | |
| 221 | |
| 222 void BluetoothAudioSinkBlueZ::AdapterPresentChanged( | |
| 223 device::BluetoothAdapter* adapter, | |
| 224 bool present) { | |
| 225 VLOG(1) << "AdapterPresentChanged: " << present; | |
| 226 | |
| 227 if (adapter != adapter_.get()) | |
| 228 return; | |
| 229 | |
| 230 if (adapter->IsPresent()) { | |
| 231 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 232 } else { | |
| 233 adapter_->RemoveObserver(this); | |
| 234 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 void BluetoothAudioSinkBlueZ::AdapterPoweredChanged( | |
| 239 device::BluetoothAdapter* adapter, | |
| 240 bool powered) { | |
| 241 VLOG(1) << "AdapterPoweredChanged: " << powered; | |
| 242 | |
| 243 if (adapter != adapter_.get()) | |
| 244 return; | |
| 245 | |
| 246 // Regardless of the new powered state, |state_| goes to STATE_DISCONNECTED. | |
| 247 // If false, the transport is closed, but the endpoint is still valid for use. | |
| 248 // If true, the previous transport has been torn down, so the |state_| has to | |
| 249 // be disconnected before SetConfigruation is called. | |
| 250 if (state_ != BluetoothAudioSink::STATE_INVALID) | |
| 251 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 252 } | |
| 253 | |
| 254 void BluetoothAudioSinkBlueZ::MediaRemoved(const ObjectPath& object_path) { | |
| 255 if (object_path == media_path_) { | |
| 256 VLOG(1) << "MediaRemoved: " << object_path.value(); | |
| 257 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 258 } | |
| 259 } | |
| 260 | |
| 261 void BluetoothAudioSinkBlueZ::MediaTransportRemoved( | |
| 262 const ObjectPath& object_path) { | |
| 263 // Whenever powered of |adapter_| turns false while present stays true, media | |
| 264 // transport object should be removed accordingly, and the state should be | |
| 265 // changed to STATE_DISCONNECTED. | |
| 266 if (object_path == transport_path_) { | |
| 267 VLOG(1) << "MediaTransportRemoved: " << object_path.value(); | |
| 268 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 void BluetoothAudioSinkBlueZ::MediaTransportPropertyChanged( | |
| 273 const ObjectPath& object_path, | |
| 274 const std::string& property_name) { | |
| 275 if (object_path != transport_path_) | |
| 276 return; | |
| 277 | |
| 278 VLOG(1) << "MediaTransportPropertyChanged: " << property_name; | |
| 279 | |
| 280 // Retrieves the property set of the transport object with |object_path|. | |
| 281 bluez::BluetoothMediaTransportClient::Properties* properties = | |
| 282 bluez::BluezDBusManager::Get() | |
| 283 ->GetBluetoothMediaTransportClient() | |
| 284 ->GetProperties(object_path); | |
| 285 | |
| 286 // Dispatches a property changed event to the corresponding handler. | |
| 287 if (property_name == properties->state.name()) { | |
| 288 if (properties->state.value() == | |
| 289 bluez::BluetoothMediaTransportClient::kStateIdle) { | |
| 290 StateChanged(BluetoothAudioSink::STATE_IDLE); | |
| 291 } else if (properties->state.value() == | |
| 292 bluez::BluetoothMediaTransportClient::kStatePending) { | |
| 293 StateChanged(BluetoothAudioSink::STATE_PENDING); | |
| 294 } else if (properties->state.value() == | |
| 295 bluez::BluetoothMediaTransportClient::kStateActive) { | |
| 296 StateChanged(BluetoothAudioSink::STATE_ACTIVE); | |
| 297 } | |
| 298 } else if (property_name == properties->volume.name()) { | |
| 299 VolumeChanged(properties->volume.value()); | |
| 300 } | |
| 301 } | |
| 302 | |
| 303 void BluetoothAudioSinkBlueZ::SetConfiguration( | |
| 304 const ObjectPath& transport_path, | |
| 305 const TransportProperties& properties) { | |
| 306 VLOG(1) << "SetConfiguration"; | |
| 307 transport_path_ = transport_path; | |
| 308 | |
| 309 // The initial state for a connection should be "idle". | |
| 310 if (properties.state != bluez::BluetoothMediaTransportClient::kStateIdle) { | |
| 311 VLOG(1) << "SetConfiugration - unexpected state :" << properties.state; | |
| 312 return; | |
| 313 } | |
| 314 | |
| 315 // Updates |volume_| if the volume level is provided in |properties|. | |
| 316 if (properties.volume.get()) { | |
| 317 VolumeChanged(*properties.volume); | |
| 318 } | |
| 319 | |
| 320 StateChanged(BluetoothAudioSink::STATE_IDLE); | |
| 321 } | |
| 322 | |
| 323 void BluetoothAudioSinkBlueZ::SelectConfiguration( | |
| 324 const std::vector<uint8_t>& capabilities, | |
| 325 const SelectConfigurationCallback& callback) { | |
| 326 VLOG(1) << "SelectConfiguration"; | |
| 327 callback.Run(options_.capabilities); | |
| 328 } | |
| 329 | |
| 330 void BluetoothAudioSinkBlueZ::ClearConfiguration( | |
| 331 const ObjectPath& transport_path) { | |
| 332 if (transport_path != transport_path_) | |
| 333 return; | |
| 334 | |
| 335 VLOG(1) << "ClearConfiguration"; | |
| 336 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 337 } | |
| 338 | |
| 339 void BluetoothAudioSinkBlueZ::Released() { | |
| 340 VLOG(1) << "Released"; | |
| 341 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 342 } | |
| 343 | |
| 344 void BluetoothAudioSinkBlueZ::OnFileCanReadWithoutBlocking(int fd) { | |
| 345 ReadFromFile(); | |
| 346 } | |
| 347 | |
| 348 void BluetoothAudioSinkBlueZ::OnFileCanWriteWithoutBlocking(int fd) { | |
| 349 // Do nothing for now. | |
| 350 } | |
| 351 | |
| 352 void BluetoothAudioSinkBlueZ::AcquireFD() { | |
| 353 VLOG(1) << "AcquireFD - transport path: " << transport_path_.value(); | |
| 354 | |
| 355 read_has_failed_ = false; | |
| 356 | |
| 357 bluez::BluezDBusManager::Get()->GetBluetoothMediaTransportClient()->Acquire( | |
| 358 transport_path_, base::Bind(&BluetoothAudioSinkBlueZ::OnAcquireSucceeded, | |
| 359 weak_ptr_factory_.GetWeakPtr()), | |
| 360 base::Bind(&BluetoothAudioSinkBlueZ::OnAcquireFailed, | |
| 361 weak_ptr_factory_.GetWeakPtr())); | |
| 362 } | |
| 363 | |
| 364 void BluetoothAudioSinkBlueZ::WatchFD() { | |
| 365 CHECK(file_.get() && file_->IsValid()); | |
| 366 | |
| 367 VLOG(1) << "WatchFD - file: " << file_->GetPlatformFile() | |
| 368 << ", file validity: " << file_->IsValid(); | |
| 369 | |
| 370 base::MessageLoopForIO::current()->WatchFileDescriptor( | |
| 371 file_->GetPlatformFile(), true, base::MessageLoopForIO::WATCH_READ, | |
| 372 &fd_read_watcher_, this); | |
| 373 } | |
| 374 | |
| 375 void BluetoothAudioSinkBlueZ::StopWatchingFD() { | |
| 376 if (!file_.get()) { | |
| 377 VLOG(1) << "StopWatchingFD - skip"; | |
| 378 return; | |
| 379 } | |
| 380 | |
| 381 bool stopped = fd_read_watcher_.StopWatchingFileDescriptor(); | |
| 382 VLOG(1) << "StopWatchingFD - watch stopped: " << stopped; | |
| 383 CHECK(stopped); | |
| 384 | |
| 385 read_mtu_ = kInvalidReadMtu; | |
| 386 write_mtu_ = kInvalidWriteMtu; | |
| 387 file_.reset(); // This will close the file descriptor. | |
| 388 } | |
| 389 | |
| 390 void BluetoothAudioSinkBlueZ::ReadFromFile() { | |
| 391 DCHECK(file_.get() && file_->IsValid()); | |
| 392 DCHECK(data_.get()); | |
| 393 | |
| 394 int size = file_->ReadAtCurrentPosNoBestEffort(data_.get(), read_mtu_); | |
| 395 | |
| 396 if (size == -1) { | |
| 397 // To reduce the number of logs, log only once for multiple failures. | |
| 398 if (!read_has_failed_) { | |
| 399 VLOG(1) << "ReadFromFile - failed"; | |
| 400 read_has_failed_ = true; | |
| 401 } | |
| 402 return; | |
| 403 } | |
| 404 | |
| 405 VLOG(1) << "ReadFromFile - read " << size << " bytes"; | |
| 406 FOR_EACH_OBSERVER( | |
| 407 BluetoothAudioSink::Observer, observers_, | |
| 408 BluetoothAudioSinkDataAvailable(this, data_.get(), size, read_mtu_)); | |
| 409 } | |
| 410 | |
| 411 void BluetoothAudioSinkBlueZ::StateChanged(BluetoothAudioSink::State state) { | |
| 412 if (state == state_) | |
| 413 return; | |
| 414 | |
| 415 VLOG(1) << "StateChanged - state: " << StateToString(state); | |
| 416 | |
| 417 switch (state) { | |
| 418 case BluetoothAudioSink::STATE_INVALID: | |
| 419 ResetMedia(); | |
| 420 ResetEndpoint(); | |
| 421 case BluetoothAudioSink::STATE_DISCONNECTED: | |
| 422 ResetTransport(); | |
| 423 break; | |
| 424 case BluetoothAudioSink::STATE_IDLE: | |
| 425 StopWatchingFD(); | |
| 426 break; | |
| 427 case BluetoothAudioSink::STATE_PENDING: | |
| 428 AcquireFD(); | |
| 429 break; | |
| 430 case BluetoothAudioSink::STATE_ACTIVE: | |
| 431 WatchFD(); | |
| 432 break; | |
| 433 default: | |
| 434 break; | |
| 435 } | |
| 436 | |
| 437 state_ = state; | |
| 438 FOR_EACH_OBSERVER(BluetoothAudioSink::Observer, observers_, | |
| 439 BluetoothAudioSinkStateChanged(this, state_)); | |
| 440 } | |
| 441 | |
| 442 void BluetoothAudioSinkBlueZ::VolumeChanged(uint16_t volume) { | |
| 443 if (volume == volume_) | |
| 444 return; | |
| 445 | |
| 446 VLOG(1) << "VolumeChanged: " << volume; | |
| 447 | |
| 448 volume_ = std::min(volume, BluetoothAudioSink::kInvalidVolume); | |
| 449 FOR_EACH_OBSERVER(BluetoothAudioSink::Observer, observers_, | |
| 450 BluetoothAudioSinkVolumeChanged(this, volume_)); | |
| 451 } | |
| 452 | |
| 453 void BluetoothAudioSinkBlueZ::OnRegisterSucceeded( | |
| 454 const base::Closure& callback) { | |
| 455 DCHECK(media_endpoint_.get()); | |
| 456 VLOG(1) << "OnRegisterSucceeded"; | |
| 457 | |
| 458 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 459 callback.Run(); | |
| 460 } | |
| 461 | |
| 462 void BluetoothAudioSinkBlueZ::OnRegisterFailed( | |
| 463 const BluetoothAudioSink::ErrorCallback& error_callback, | |
| 464 const std::string& error_name, | |
| 465 const std::string& error_message) { | |
| 466 VLOG(1) << "OnRegisterFailed - error name: " << error_name | |
| 467 << ", error message: " << error_message; | |
| 468 | |
| 469 ResetEndpoint(); | |
| 470 error_callback.Run(BluetoothAudioSink::ERROR_NOT_REGISTERED); | |
| 471 } | |
| 472 | |
| 473 void BluetoothAudioSinkBlueZ::OnUnregisterSucceeded( | |
| 474 const base::Closure& callback) { | |
| 475 VLOG(1) << "Unregistered - endpoint: " << endpoint_path_.value(); | |
| 476 | |
| 477 // Once the state becomes STATE_INVALID, media, media transport and media | |
| 478 // endpoint will be reset. | |
| 479 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 480 callback.Run(); | |
| 481 } | |
| 482 | |
| 483 void BluetoothAudioSinkBlueZ::OnUnregisterFailed( | |
| 484 const device::BluetoothAudioSink::ErrorCallback& error_callback, | |
| 485 const std::string& error_name, | |
| 486 const std::string& error_message) { | |
| 487 VLOG(1) << "OnUnregisterFailed - error name: " << error_name | |
| 488 << ", error message: " << error_message; | |
| 489 | |
| 490 error_callback.Run(BluetoothAudioSink::ERROR_NOT_UNREGISTERED); | |
| 491 } | |
| 492 | |
| 493 void BluetoothAudioSinkBlueZ::OnAcquireSucceeded(dbus::FileDescriptor* fd, | |
| 494 const uint16_t read_mtu, | |
| 495 const uint16_t write_mtu) { | |
| 496 CHECK(fd); | |
| 497 fd->CheckValidity(); | |
| 498 CHECK(fd->is_valid() && fd->value() != kInvalidFd); | |
| 499 CHECK_GT(read_mtu, kInvalidReadMtu); | |
| 500 CHECK_GT(write_mtu, kInvalidWriteMtu); | |
| 501 | |
| 502 // Avoids unnecessary memory reallocation if read MTU doesn't change. | |
| 503 if (read_mtu != read_mtu_) { | |
| 504 read_mtu_ = read_mtu; | |
| 505 data_.reset(new char[read_mtu_]); | |
| 506 VLOG(1) << "OnAcquireSucceeded - allocate " << read_mtu_ | |
| 507 << " bytes of memory"; | |
| 508 } | |
| 509 | |
| 510 write_mtu_ = write_mtu; | |
| 511 | |
| 512 // Avoids closing the same file descriptor caused by reassignment. | |
| 513 if (!file_.get() || file_->GetPlatformFile() != fd->value()) { | |
| 514 // Takes ownership of the file descriptor. | |
| 515 file_.reset(new base::File(fd->TakeValue())); | |
| 516 DCHECK(file_->IsValid()); | |
| 517 VLOG(1) << "OnAcquireSucceeded - update file"; | |
| 518 } | |
| 519 | |
| 520 VLOG(1) << "OnAcquireSucceeded - file: " << file_->GetPlatformFile() | |
| 521 << ", read MTU: " << read_mtu_ << ", write MTU: " << write_mtu_; | |
| 522 } | |
| 523 | |
| 524 void BluetoothAudioSinkBlueZ::OnAcquireFailed( | |
| 525 const std::string& error_name, | |
| 526 const std::string& error_message) { | |
| 527 VLOG(1) << "OnAcquireFailed - error name: " << error_name | |
| 528 << ", error message: " << error_message; | |
| 529 } | |
| 530 | |
| 531 void BluetoothAudioSinkBlueZ::OnReleaseFDSucceeded() { | |
| 532 VLOG(1) << "OnReleaseFDSucceeded"; | |
| 533 } | |
| 534 | |
| 535 void BluetoothAudioSinkBlueZ::OnReleaseFDFailed( | |
| 536 const std::string& error_name, | |
| 537 const std::string& error_message) { | |
| 538 VLOG(1) << "OnReleaseFDFailed - error name: " << error_name | |
| 539 << ", error message: " << error_message; | |
| 540 } | |
| 541 | |
| 542 void BluetoothAudioSinkBlueZ::ResetMedia() { | |
| 543 VLOG(1) << "ResetMedia"; | |
| 544 | |
| 545 media_path_ = dbus::ObjectPath(""); | |
| 546 } | |
| 547 | |
| 548 void BluetoothAudioSinkBlueZ::ResetTransport() { | |
| 549 if (!transport_path_.IsValid()) { | |
| 550 VLOG(1) << "ResetTransport - skip"; | |
| 551 return; | |
| 552 } | |
| 553 | |
| 554 VLOG(1) << "ResetTransport - clean-up"; | |
| 555 | |
| 556 VolumeChanged(BluetoothAudioSink::kInvalidVolume); | |
| 557 transport_path_ = dbus::ObjectPath(""); | |
| 558 read_mtu_ = kInvalidReadMtu; | |
| 559 write_mtu_ = kInvalidWriteMtu; | |
| 560 file_.reset(); | |
| 561 } | |
| 562 | |
| 563 void BluetoothAudioSinkBlueZ::ResetEndpoint() { | |
| 564 VLOG(1) << "ResetEndpoint"; | |
| 565 | |
| 566 endpoint_path_ = ObjectPath(""); | |
| 567 media_endpoint_ = nullptr; | |
| 568 } | |
| 569 | |
| 570 } // namespace bluez | |
| OLD | NEW |
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Chromium Code Reviews
Issue 1898643002:
Refactor device::BluetoothGattXXX classes to split into remote/local. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master