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| 1 // Copyright 2014 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 "components/devtools_bridge/session_dependency_factory.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "base/task_runner.h" | |
| 10 #include "base/threading/thread.h" | |
| 11 #include "components/devtools_bridge/abstract_data_channel.h" | |
| 12 #include "components/devtools_bridge/abstract_peer_connection.h" | |
| 13 #include "components/devtools_bridge/rtc_configuration.h" | |
| 14 #include "third_party/libjingle/source/talk/app/webrtc/mediaconstraintsinterface
.h" | |
| 15 #include "third_party/libjingle/source/talk/app/webrtc/peerconnectioninterface.h
" | |
| 16 #include "third_party/webrtc/base/bind.h" | |
| 17 #include "third_party/webrtc/base/messagehandler.h" | |
| 18 #include "third_party/webrtc/base/messagequeue.h" | |
| 19 #include "third_party/webrtc/base/ssladapter.h" | |
| 20 #include "third_party/webrtc/base/thread.h" | |
| 21 | |
| 22 namespace devtools_bridge { | |
| 23 | |
| 24 class RTCConfiguration::Impl | |
| 25 : public RTCConfiguration, | |
| 26 public webrtc::PeerConnectionInterface::RTCConfiguration { | |
| 27 public: | |
| 28 void AddIceServer(const std::string& uri, | |
| 29 const std::string& username, | |
| 30 const std::string& credential) override { | |
| 31 webrtc::PeerConnectionInterface::IceServer server; | |
| 32 server.uri = uri; | |
| 33 server.username = username; | |
| 34 server.password = credential; | |
| 35 servers.push_back(server); | |
| 36 } | |
| 37 | |
| 38 const Impl& impl() const override { | |
| 39 return *this; | |
| 40 } | |
| 41 | |
| 42 private: | |
| 43 webrtc::PeerConnectionInterface::RTCConfiguration base_; | |
| 44 }; | |
| 45 | |
| 46 namespace { | |
| 47 | |
| 48 template <typename T> | |
| 49 void CheckedRelease(rtc::scoped_refptr<T>* ptr) { | |
| 50 CHECK_EQ(0, ptr->release()->Release()); | |
| 51 } | |
| 52 | |
| 53 class MediaConstraints | |
| 54 : public webrtc::MediaConstraintsInterface { | |
| 55 public: | |
| 56 ~MediaConstraints() override {} | |
| 57 | |
| 58 const Constraints& GetMandatory() const override { return mandatory_; } | |
| 59 | |
| 60 const Constraints& GetOptional() const override { return optional_; } | |
| 61 | |
| 62 void AddMandatory(const std::string& key, const std::string& value) { | |
| 63 mandatory_.push_back(Constraint(key, value)); | |
| 64 } | |
| 65 | |
| 66 private: | |
| 67 Constraints mandatory_; | |
| 68 Constraints optional_; | |
| 69 }; | |
| 70 | |
| 71 /** | |
| 72 * Posts tasks on signaling thread. If stopped (when SesseionDependencyFactry | |
| 73 * is destroying) ignores posted tasks. | |
| 74 */ | |
| 75 class SignalingThreadTaskRunner : public base::TaskRunner, | |
| 76 private rtc::MessageHandler { | |
| 77 public: | |
| 78 explicit SignalingThreadTaskRunner(rtc::Thread* thread) : thread_(thread) {} | |
| 79 | |
| 80 bool PostDelayedTask(const tracked_objects::Location& from_here, | |
| 81 const base::Closure& task, | |
| 82 base::TimeDelta delay) override { | |
| 83 DCHECK(delay.ToInternalValue() == 0); | |
| 84 | |
| 85 rtc::CritScope scope(&critical_section_); | |
| 86 | |
| 87 if (thread_) | |
| 88 thread_->Send(this, 0, new Task(task)); | |
| 89 | |
| 90 return true; | |
| 91 } | |
| 92 | |
| 93 bool RunsTasksOnCurrentThread() const override { | |
| 94 rtc::CritScope scope(&critical_section_); | |
| 95 | |
| 96 return thread_ != NULL && thread_->IsCurrent(); | |
| 97 } | |
| 98 | |
| 99 void Stop() { | |
| 100 rtc::CritScope scope(&critical_section_); | |
| 101 thread_ = NULL; | |
| 102 } | |
| 103 | |
| 104 private: | |
| 105 typedef rtc::TypedMessageData<base::Closure> Task; | |
| 106 | |
| 107 ~SignalingThreadTaskRunner() override {} | |
| 108 | |
| 109 void OnMessage(rtc::Message* msg) override { | |
| 110 static_cast<Task*>(msg->pdata)->data().Run(); | |
| 111 } | |
| 112 | |
| 113 mutable rtc::CriticalSection critical_section_; | |
| 114 rtc::Thread* thread_; // Guarded by |critical_section_|. | |
| 115 }; | |
| 116 | |
| 117 class DataChannelObserverImpl : public webrtc::DataChannelObserver { | |
| 118 public: | |
| 119 DataChannelObserverImpl( | |
| 120 webrtc::DataChannelInterface* data_channel, | |
| 121 scoped_ptr<AbstractDataChannel::Observer> observer) | |
| 122 : data_channel_(data_channel), | |
| 123 observer_(observer.Pass()) { | |
| 124 } | |
| 125 | |
| 126 void InitState() { | |
| 127 open_ = data_channel_->state() == webrtc::DataChannelInterface::kOpen; | |
| 128 } | |
| 129 | |
| 130 void OnStateChange() override { | |
| 131 bool open = data_channel_->state() == webrtc::DataChannelInterface::kOpen; | |
| 132 | |
| 133 if (open == open_) return; | |
| 134 | |
| 135 open_ = open; | |
| 136 if (open) { | |
| 137 observer_->OnOpen(); | |
| 138 } else { | |
| 139 observer_->OnClose(); | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 void OnMessage(const webrtc::DataBuffer& buffer) override { | |
| 144 observer_->OnMessage(buffer.data.data(), buffer.size()); | |
| 145 } | |
| 146 | |
| 147 private: | |
| 148 webrtc::DataChannelInterface* const data_channel_; | |
| 149 scoped_ptr<AbstractDataChannel::Observer> const observer_; | |
| 150 bool open_; | |
| 151 }; | |
| 152 | |
| 153 /** | |
| 154 * Thread-safe view on AbstractDataChannel. | |
| 155 */ | |
| 156 class DataChannelProxyImpl : public AbstractDataChannel::Proxy { | |
| 157 public: | |
| 158 DataChannelProxyImpl( | |
| 159 SessionDependencyFactory* factory, | |
| 160 rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel) | |
| 161 : data_channel_(data_channel), | |
| 162 signaling_thread_task_runner_( | |
| 163 factory->signaling_thread_task_runner()) { | |
| 164 } | |
| 165 | |
| 166 void StopOnSignalingThread() { | |
| 167 data_channel_ = NULL; | |
| 168 } | |
| 169 | |
| 170 void SendBinaryMessage(const void* data, size_t length) override { | |
| 171 auto buffer = make_scoped_ptr(new webrtc::DataBuffer(rtc::Buffer(), true)); | |
| 172 buffer->data.SetData(static_cast<const uint8_t*>(data), length); | |
| 173 | |
| 174 signaling_thread_task_runner_->PostTask( | |
| 175 FROM_HERE, base::Bind( | |
| 176 &DataChannelProxyImpl::SendMessageOnSignalingThread, | |
| 177 this, | |
| 178 base::Passed(&buffer))); | |
| 179 } | |
| 180 | |
| 181 void Close() override { | |
| 182 signaling_thread_task_runner_->PostTask( | |
| 183 FROM_HERE, base::Bind(&DataChannelProxyImpl::CloseOnSignalingThread, | |
| 184 this)); | |
| 185 } | |
| 186 | |
| 187 private: | |
| 188 | |
| 189 ~DataChannelProxyImpl() override {} | |
| 190 | |
| 191 void SendMessageOnSignalingThread(scoped_ptr<webrtc::DataBuffer> message) { | |
| 192 if (data_channel_ != NULL) | |
| 193 data_channel_->Send(*message); | |
| 194 } | |
| 195 | |
| 196 void CloseOnSignalingThread() { | |
| 197 if (data_channel_ != NULL) | |
| 198 data_channel_->Close(); | |
| 199 } | |
| 200 | |
| 201 // Accessed on signaling thread. | |
| 202 rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel_; | |
| 203 | |
| 204 const scoped_refptr<base::TaskRunner> signaling_thread_task_runner_; | |
| 205 }; | |
| 206 | |
| 207 class DataChannelImpl : public AbstractDataChannel { | |
| 208 public: | |
| 209 DataChannelImpl( | |
| 210 SessionDependencyFactory* factory, | |
| 211 rtc::Thread* const signaling_thread, | |
| 212 rtc::scoped_refptr<webrtc::DataChannelInterface> impl) | |
| 213 : factory_(factory), | |
| 214 signaling_thread_(signaling_thread), | |
| 215 impl_(impl) { | |
| 216 } | |
| 217 | |
| 218 ~DataChannelImpl() override { | |
| 219 if (proxy_.get()) { | |
| 220 signaling_thread_->Invoke<void>(rtc::Bind( | |
| 221 &DataChannelProxyImpl::StopOnSignalingThread, proxy_.get())); | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 void RegisterObserver(scoped_ptr<Observer> observer) override { | |
| 226 observer_.reset(new DataChannelObserverImpl(impl_.get(), observer.Pass())); | |
| 227 signaling_thread_->Invoke<void>(rtc::Bind( | |
| 228 &DataChannelImpl::RegisterObserverOnSignalingThread, this)); | |
| 229 } | |
| 230 | |
| 231 void UnregisterObserver() override { | |
| 232 DCHECK(observer_.get() != NULL); | |
| 233 impl_->UnregisterObserver(); | |
| 234 observer_.reset(); | |
| 235 } | |
| 236 | |
| 237 void SendBinaryMessage(void* data, size_t length) override { | |
| 238 SendMessage(data, length, true); | |
| 239 } | |
| 240 | |
| 241 void SendTextMessage(void* data, size_t length) override { | |
| 242 SendMessage(data, length, false); | |
| 243 } | |
| 244 | |
| 245 void SendMessage(void* data, size_t length, bool is_binary) { | |
| 246 impl_->Send(webrtc::DataBuffer( | |
| 247 rtc::Buffer(static_cast<uint8_t*>(data), length), is_binary)); | |
| 248 } | |
| 249 | |
| 250 void Close() override { | |
| 251 impl_->Close(); | |
| 252 } | |
| 253 | |
| 254 scoped_refptr<Proxy> proxy() override { | |
| 255 if (!proxy_.get()) | |
| 256 proxy_ = new DataChannelProxyImpl(factory_, impl_); | |
| 257 return proxy_; | |
| 258 } | |
| 259 | |
| 260 private: | |
| 261 void RegisterObserverOnSignalingThread() { | |
| 262 // State initialization and observer registration happen atomically | |
| 263 // if done on the signaling thread (see rtc::Thread::Send). | |
| 264 observer_->InitState(); | |
| 265 impl_->RegisterObserver(observer_.get()); | |
| 266 } | |
| 267 | |
| 268 SessionDependencyFactory* const factory_; | |
| 269 scoped_refptr<DataChannelProxyImpl> proxy_; | |
| 270 rtc::Thread* const signaling_thread_; | |
| 271 scoped_ptr<DataChannelObserverImpl> observer_; | |
| 272 const rtc::scoped_refptr<webrtc::DataChannelInterface> impl_; | |
| 273 }; | |
| 274 | |
| 275 class PeerConnectionObserverImpl | |
| 276 : public webrtc::PeerConnectionObserver { | |
| 277 public: | |
| 278 PeerConnectionObserverImpl(AbstractPeerConnection::Delegate* delegate) | |
| 279 : delegate_(delegate), | |
| 280 connected_(false) { | |
| 281 } | |
| 282 | |
| 283 void OnAddStream(webrtc::MediaStreamInterface* stream) override {} | |
| 284 | |
| 285 void OnRemoveStream(webrtc::MediaStreamInterface* stream) override {} | |
| 286 | |
| 287 void OnDataChannel(webrtc::DataChannelInterface* data_channel) override {} | |
| 288 | |
| 289 void OnRenegotiationNeeded() override {} | |
| 290 | |
| 291 void OnSignalingChange( | |
| 292 webrtc::PeerConnectionInterface::SignalingState new_state) override {} | |
| 293 | |
| 294 void OnIceConnectionChange( | |
| 295 webrtc::PeerConnectionInterface::IceConnectionState new_state) override { | |
| 296 bool connected = | |
| 297 new_state == webrtc::PeerConnectionInterface::kIceConnectionConnected || | |
| 298 new_state == webrtc::PeerConnectionInterface::kIceConnectionCompleted; | |
| 299 | |
| 300 if (connected != connected_) { | |
| 301 connected_ = connected; | |
| 302 delegate_->OnIceConnectionChange(connected_); | |
| 303 } | |
| 304 } | |
| 305 | |
| 306 void OnIceCandidate(const webrtc::IceCandidateInterface* candidate) override { | |
| 307 std::string sdp; | |
| 308 candidate->ToString(&sdp); | |
| 309 | |
| 310 delegate_->OnIceCandidate( | |
| 311 candidate->sdp_mid(), candidate->sdp_mline_index(), sdp); | |
| 312 } | |
| 313 | |
| 314 private: | |
| 315 AbstractPeerConnection::Delegate* const delegate_; | |
| 316 bool connected_; | |
| 317 }; | |
| 318 | |
| 319 /** | |
| 320 * Helper object which may outlive PeerConnectionImpl. Provides access | |
| 321 * to the connection and the delegate to operaion callback objects | |
| 322 * in a safe way. Always accessible on the signaling thread. | |
| 323 */ | |
| 324 class PeerConnectionHolder : public rtc::RefCountInterface { | |
| 325 public: | |
| 326 PeerConnectionHolder( | |
| 327 rtc::Thread* signaling_thread, | |
| 328 webrtc::PeerConnectionInterface* connection, | |
| 329 AbstractPeerConnection::Delegate* delegate) | |
| 330 : signaling_thread_(signaling_thread), | |
| 331 connection_(connection), | |
| 332 delegate_(delegate), | |
| 333 disposed_(false) { | |
| 334 } | |
| 335 | |
| 336 ~PeerConnectionHolder() override { DCHECK(disposed_); } | |
| 337 | |
| 338 void Dispose() { | |
| 339 DCHECK(!IsDisposed()); | |
| 340 disposed_ = true; | |
| 341 } | |
| 342 | |
| 343 webrtc::PeerConnectionInterface* connection() { | |
| 344 DCHECK(!IsDisposed()); | |
| 345 return connection_; | |
| 346 } | |
| 347 | |
| 348 AbstractPeerConnection::Delegate* delegate() { | |
| 349 DCHECK(!IsDisposed()); | |
| 350 return delegate_; | |
| 351 } | |
| 352 | |
| 353 bool IsDisposed() { | |
| 354 DCHECK(signaling_thread_->IsCurrent()); | |
| 355 return disposed_; | |
| 356 } | |
| 357 | |
| 358 private: | |
| 359 rtc::Thread* const signaling_thread_; | |
| 360 webrtc::PeerConnectionInterface* const connection_; | |
| 361 AbstractPeerConnection::Delegate* const delegate_; | |
| 362 bool disposed_; | |
| 363 }; | |
| 364 | |
| 365 class CreateAndSetHandler | |
| 366 : public webrtc::CreateSessionDescriptionObserver, | |
| 367 public webrtc::SetSessionDescriptionObserver { | |
| 368 public: | |
| 369 explicit CreateAndSetHandler( | |
| 370 rtc::scoped_refptr<PeerConnectionHolder> holder) | |
| 371 : holder_(holder) { | |
| 372 } | |
| 373 | |
| 374 void OnSuccess(webrtc::SessionDescriptionInterface* desc) override { | |
| 375 if (holder_->IsDisposed()) return; | |
| 376 | |
| 377 type_ = desc->type(); | |
| 378 if (desc->ToString(&description_)) { | |
| 379 holder_->connection()->SetLocalDescription(this, desc); | |
| 380 } else { | |
| 381 OnFailure("Can't serialize session description"); | |
| 382 } | |
| 383 } | |
| 384 | |
| 385 void OnSuccess() override { | |
| 386 if (holder_->IsDisposed()) return; | |
| 387 | |
| 388 if (type_ == webrtc::SessionDescriptionInterface::kOffer) { | |
| 389 holder_->delegate()->OnLocalOfferCreatedAndSetSet(description_); | |
| 390 } else { | |
| 391 DCHECK_EQ(webrtc::SessionDescriptionInterface::kAnswer, type_); | |
| 392 | |
| 393 holder_->delegate()->OnLocalAnswerCreatedAndSetSet(description_); | |
| 394 } | |
| 395 } | |
| 396 | |
| 397 void OnFailure(const std::string& error) override { | |
| 398 if (holder_->IsDisposed()) return; | |
| 399 | |
| 400 holder_->delegate()->OnFailure(error); | |
| 401 } | |
| 402 | |
| 403 private: | |
| 404 const rtc::scoped_refptr<PeerConnectionHolder> holder_; | |
| 405 std::string type_; | |
| 406 std::string description_; | |
| 407 }; | |
| 408 | |
| 409 class SetRemoteDescriptionHandler | |
| 410 : public webrtc::SetSessionDescriptionObserver { | |
| 411 public: | |
| 412 SetRemoteDescriptionHandler( | |
| 413 rtc::scoped_refptr<PeerConnectionHolder> holder) | |
| 414 : holder_(holder) { | |
| 415 } | |
| 416 | |
| 417 void OnSuccess() override { | |
| 418 if (holder_->IsDisposed()) return; | |
| 419 | |
| 420 holder_->delegate()->OnRemoteDescriptionSet(); | |
| 421 } | |
| 422 | |
| 423 void OnFailure(const std::string& error) override { | |
| 424 if (holder_->IsDisposed()) return; | |
| 425 | |
| 426 holder_->delegate()->OnFailure(error); | |
| 427 } | |
| 428 | |
| 429 private: | |
| 430 const rtc::scoped_refptr<PeerConnectionHolder> holder_; | |
| 431 }; | |
| 432 | |
| 433 class PeerConnectionImpl : public AbstractPeerConnection { | |
| 434 public: | |
| 435 PeerConnectionImpl( | |
| 436 SessionDependencyFactory* const factory, | |
| 437 rtc::Thread* signaling_thread, | |
| 438 rtc::scoped_refptr<webrtc::PeerConnectionInterface> connection, | |
| 439 scoped_ptr<PeerConnectionObserverImpl> observer, | |
| 440 scoped_ptr<AbstractPeerConnection::Delegate> delegate) | |
| 441 : factory_(factory), | |
| 442 holder_(new rtc::RefCountedObject<PeerConnectionHolder>( | |
| 443 signaling_thread, connection.get(), delegate.get())), | |
| 444 signaling_thread_(signaling_thread), | |
| 445 connection_(connection), | |
| 446 observer_(observer.Pass()), | |
| 447 delegate_(delegate.Pass()) { | |
| 448 } | |
| 449 | |
| 450 ~PeerConnectionImpl() override { | |
| 451 signaling_thread_->Invoke<void>(rtc::Bind( | |
| 452 &PeerConnectionImpl::DisposeOnSignalingThread, this)); | |
| 453 } | |
| 454 | |
| 455 void CreateAndSetLocalOffer() override { | |
| 456 connection_->CreateOffer(MakeCreateAndSetHandler(), NULL); | |
| 457 } | |
| 458 | |
| 459 void CreateAndSetLocalAnswer() override { | |
| 460 connection_->CreateAnswer(MakeCreateAndSetHandler(), NULL); | |
| 461 } | |
| 462 | |
| 463 void SetRemoteOffer(const std::string& description) override { | |
| 464 SetRemoteDescription( | |
| 465 webrtc::SessionDescriptionInterface::kOffer, description); | |
| 466 } | |
| 467 | |
| 468 void SetRemoteAnswer(const std::string& description) override { | |
| 469 SetRemoteDescription( | |
| 470 webrtc::SessionDescriptionInterface::kAnswer, description); | |
| 471 } | |
| 472 | |
| 473 void SetRemoteDescription( | |
| 474 const std::string& type, const std::string& description) { | |
| 475 webrtc::SdpParseError error; | |
| 476 scoped_ptr<webrtc::SessionDescriptionInterface> value( | |
| 477 webrtc::CreateSessionDescription(type, description, &error)); | |
| 478 if (value == NULL) { | |
| 479 OnParseError(error); | |
| 480 return; | |
| 481 } | |
| 482 // Takes ownership on |value|. | |
| 483 connection_->SetRemoteDescription( | |
| 484 new rtc::RefCountedObject<SetRemoteDescriptionHandler>(holder_), | |
| 485 value.release()); | |
| 486 } | |
| 487 | |
| 488 void AddIceCandidate(const std::string& sdp_mid, | |
| 489 int sdp_mline_index, | |
| 490 const std::string& sdp) override { | |
| 491 webrtc::SdpParseError error; | |
| 492 auto candidate = webrtc::CreateIceCandidate( | |
| 493 sdp_mid, sdp_mline_index, sdp, &error); | |
| 494 if (candidate == NULL) { | |
| 495 OnParseError(error); | |
| 496 return; | |
| 497 } | |
| 498 // Doesn't takes ownership. | |
| 499 connection_->AddIceCandidate(candidate); | |
| 500 delete candidate; | |
| 501 } | |
| 502 | |
| 503 scoped_ptr<AbstractDataChannel> CreateDataChannel(int channelId) override { | |
| 504 webrtc::DataChannelInit init; | |
| 505 init.ordered = true; | |
| 506 init.negotiated = true; | |
| 507 init.id = channelId; | |
| 508 | |
| 509 return make_scoped_ptr(new DataChannelImpl( | |
| 510 factory_, | |
| 511 signaling_thread_, | |
| 512 connection_->CreateDataChannel("", &init))); | |
| 513 } | |
| 514 | |
| 515 private: | |
| 516 webrtc::CreateSessionDescriptionObserver* MakeCreateAndSetHandler() { | |
| 517 return new rtc::RefCountedObject<CreateAndSetHandler>(holder_); | |
| 518 } | |
| 519 | |
| 520 void DisposeOnSignalingThread() { | |
| 521 DCHECK(signaling_thread_->IsCurrent()); | |
| 522 | |
| 523 CheckedRelease(&connection_); | |
| 524 holder_->Dispose(); | |
| 525 } | |
| 526 | |
| 527 void OnParseError(const webrtc::SdpParseError& error) { | |
| 528 // TODO(serya): Send on signaling thread. | |
| 529 } | |
| 530 | |
| 531 SessionDependencyFactory* const factory_; | |
| 532 const rtc::scoped_refptr<PeerConnectionHolder> holder_; | |
| 533 rtc::Thread* const signaling_thread_; | |
| 534 rtc::scoped_refptr<webrtc::PeerConnectionInterface> connection_; | |
| 535 const scoped_ptr<PeerConnectionObserverImpl> observer_; | |
| 536 const scoped_ptr<AbstractPeerConnection::Delegate> delegate_; | |
| 537 }; | |
| 538 | |
| 539 class SessionDependencyFactoryImpl : public SessionDependencyFactory { | |
| 540 public: | |
| 541 SessionDependencyFactoryImpl( | |
| 542 const base::Closure& cleanup_on_signaling_thread) | |
| 543 : cleanup_on_signaling_thread_(cleanup_on_signaling_thread) { | |
| 544 signaling_thread_.SetName("signaling_thread", NULL); | |
| 545 signaling_thread_.Start(); | |
| 546 worker_thread_.SetName("worker_thread", NULL); | |
| 547 worker_thread_.Start(); | |
| 548 | |
| 549 factory_ = webrtc::CreatePeerConnectionFactory( | |
| 550 &worker_thread_, &signaling_thread_, NULL, NULL, NULL); | |
| 551 } | |
| 552 | |
| 553 ~SessionDependencyFactoryImpl() override { | |
| 554 if (signaling_thread_task_runner_.get()) | |
| 555 signaling_thread_task_runner_->Stop(); | |
| 556 | |
| 557 signaling_thread_.Invoke<void>(rtc::Bind( | |
| 558 &SessionDependencyFactoryImpl::DisposeOnSignalingThread, this)); | |
| 559 } | |
| 560 | |
| 561 scoped_ptr<AbstractPeerConnection> CreatePeerConnection( | |
| 562 scoped_ptr<RTCConfiguration> config, | |
| 563 scoped_ptr<AbstractPeerConnection::Delegate> delegate) override { | |
| 564 auto observer = make_scoped_ptr( | |
| 565 new PeerConnectionObserverImpl(delegate.get())); | |
| 566 | |
| 567 MediaConstraints constraints; | |
| 568 constraints.AddMandatory( | |
| 569 MediaConstraints::kEnableDtlsSrtp, MediaConstraints::kValueTrue); | |
| 570 | |
| 571 auto connection = factory_->CreatePeerConnection( | |
| 572 config->impl(), &constraints, NULL, NULL, observer.get()); | |
| 573 | |
| 574 return make_scoped_ptr(new PeerConnectionImpl( | |
| 575 this, &signaling_thread_, connection, observer.Pass(), | |
| 576 delegate.Pass())); | |
| 577 } | |
| 578 | |
| 579 scoped_refptr<base::TaskRunner> signaling_thread_task_runner() override { | |
| 580 if (!signaling_thread_task_runner_.get()) { | |
| 581 signaling_thread_task_runner_ = | |
| 582 new SignalingThreadTaskRunner(&signaling_thread_); | |
| 583 } | |
| 584 return signaling_thread_task_runner_; | |
| 585 } | |
| 586 | |
| 587 scoped_refptr<base::TaskRunner> io_thread_task_runner() override { | |
| 588 if (!io_thread_.get()) { | |
| 589 io_thread_.reset(new base::Thread("devtools bridge IO thread")); | |
| 590 base::Thread::Options options; | |
| 591 options.message_loop_type = base::MessageLoop::TYPE_IO; | |
| 592 CHECK(io_thread_->StartWithOptions(options)); | |
| 593 } | |
| 594 return io_thread_->task_runner(); | |
| 595 } | |
| 596 | |
| 597 private: | |
| 598 void DisposeOnSignalingThread() { | |
| 599 DCHECK(signaling_thread_.IsCurrent()); | |
| 600 CheckedRelease(&factory_); | |
| 601 if (!cleanup_on_signaling_thread_.is_null()) | |
| 602 cleanup_on_signaling_thread_.Run(); | |
| 603 } | |
| 604 | |
| 605 scoped_ptr<base::Thread> io_thread_; | |
| 606 scoped_refptr<SignalingThreadTaskRunner> signaling_thread_task_runner_; | |
| 607 base::Closure cleanup_on_signaling_thread_; | |
| 608 rtc::Thread signaling_thread_; | |
| 609 rtc::Thread worker_thread_; | |
| 610 rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> factory_; | |
| 611 }; | |
| 612 | |
| 613 } // namespace | |
| 614 | |
| 615 // RTCCOnfiguration | |
| 616 | |
| 617 // static | |
| 618 scoped_ptr<RTCConfiguration> RTCConfiguration::CreateInstance() { | |
| 619 return make_scoped_ptr(new RTCConfiguration::Impl()); | |
| 620 } | |
| 621 | |
| 622 // SessionDependencyFactory | |
| 623 | |
| 624 // static | |
| 625 bool SessionDependencyFactory::InitializeSSL() { | |
| 626 return rtc::InitializeSSL(); | |
| 627 } | |
| 628 | |
| 629 // static | |
| 630 bool SessionDependencyFactory::CleanupSSL() { | |
| 631 return rtc::CleanupSSL(); | |
| 632 } | |
| 633 | |
| 634 // static | |
| 635 scoped_ptr<SessionDependencyFactory> SessionDependencyFactory::CreateInstance( | |
| 636 const base::Closure& cleanup_on_signaling_thread) { | |
| 637 return make_scoped_ptr(new SessionDependencyFactoryImpl( | |
| 638 cleanup_on_signaling_thread)); | |
| 639 } | |
| 640 | |
| 641 } // namespace devtools_bridge | |
| OLD | NEW |