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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 "remoting/ios/bridge/client_instance.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/synchronization/waitable_event.h" | |
| 10 #include "net/socket/client_socket_factory.h" | |
| 11 #include "remoting/base/url_request_context_getter.h" | |
| 12 #include "remoting/client/audio_player.h" | |
| 13 #include "remoting/client/plugin/delegating_signal_strategy.h" | |
| 14 #include "remoting/ios/bridge/client_proxy.h" | |
| 15 #include "remoting/protocol/chromium_port_allocator.h" | |
| 16 #include "remoting/protocol/host_stub.h" | |
| 17 #include "remoting/protocol/libjingle_transport_factory.h" | |
| 18 #include "remoting/protocol/negotiating_client_authenticator.h" | |
| 19 | |
| 20 namespace { | |
| 21 const char* const kXmppServer = "talk.google.com"; | |
| 22 const int kXmppPort = 5222; | |
| 23 const bool kXmppUseTls = true; | |
| 24 | |
| 25 void DoNothing() {} | |
| 26 } // namespace | |
| 27 | |
| 28 namespace remoting { | |
| 29 | |
| 30 ClientInstance::ClientInstance(const base::WeakPtr<ClientProxy>& proxy, | |
| 31 const std::string& username, | |
| 32 const std::string& auth_token, | |
| 33 const std::string& host_jid, | |
| 34 const std::string& host_id, | |
| 35 const std::string& host_pubkey, | |
| 36 const std::string& pairing_id, | |
| 37 const std::string& pairing_secret) | |
| 38 : proxyToClient_(proxy), | |
| 39 host_id_(host_id), | |
| 40 host_jid_(host_jid), | |
| 41 create_pairing_(false) { | |
| 42 if (!base::MessageLoop::current()) { | |
| 43 VLOG(1) << "Starting main message loop"; | |
| 44 ui_loop_ = new base::MessageLoopForUI(); | |
| 45 ui_loop_->Attach(); | |
| 46 } else { | |
| 47 VLOG(1) << "Using existing main message loop"; | |
| 48 ui_loop_ = base::MessageLoopForUI::current(); | |
| 49 } | |
| 50 | |
| 51 VLOG(1) << "Spawning additional threads"; | |
| 52 | |
| 53 // |ui_loop_| runs on the main thread, so |ui_task_runner_| will run on the | |
| 54 // main thread. We can not kill the main thread when the message loop becomes | |
| 55 // idle so the callback function does nothing (as opposed to the typical | |
| 56 // base::MessageLoop::QuitClosure()) | |
| 57 ui_task_runner_ = new AutoThreadTaskRunner(ui_loop_->message_loop_proxy(), | |
| 58 base::Bind(&::DoNothing)); | |
| 59 | |
| 60 network_task_runner_ = AutoThread::CreateWithType( | |
| 61 "native_net", ui_task_runner_, base::MessageLoop::TYPE_IO); | |
| 62 | |
| 63 url_requester_ = new URLRequestContextGetter(network_task_runner_); | |
| 64 | |
| 65 client_context_.reset(new ClientContext(network_task_runner_)); | |
| 66 | |
| 67 DCHECK(ui_task_runner_->BelongsToCurrentThread()); | |
| 68 | |
| 69 // Initialize XMPP config. | |
| 70 xmpp_config_.host = kXmppServer; | |
| 71 xmpp_config_.port = kXmppPort; | |
| 72 xmpp_config_.use_tls = kXmppUseTls; | |
| 73 xmpp_config_.username = username; | |
| 74 xmpp_config_.auth_token = auth_token; | |
| 75 xmpp_config_.auth_service = "oauth2"; | |
| 76 | |
| 77 // Initialize |authenticator_|. | |
| 78 scoped_ptr<protocol::ThirdPartyClientAuthenticator::TokenFetcher> | |
| 79 token_fetcher(new TokenFetcherProxy( | |
| 80 base::Bind(&ChromotingJniInstance::FetchThirdPartyToken, | |
| 81 weak_factory_.GetWeakPtr()), | |
| 82 host_pubkey)); | |
| 83 | |
| 84 std::vector<protocol::AuthenticationMethod> auth_methods; | |
| 85 auth_methods.push_back(protocol::AuthenticationMethod::Spake2Pair()); | |
| 86 auth_methods.push_back(protocol::AuthenticationMethod::Spake2( | |
| 87 protocol::AuthenticationMethod::HMAC_SHA256)); | |
| 88 auth_methods.push_back(protocol::AuthenticationMethod::Spake2( | |
| 89 protocol::AuthenticationMethod::NONE)); | |
| 90 | |
| 91 authenticator_.reset(new protocol::NegotiatingClientAuthenticator( | |
| 92 pairing_id, pairing_secret, host_id_, | |
| 93 base::Bind(&ClientInstance::FetchSecret, this), | |
| 94 token_fetcher.Pass(), auth_methods)); | |
| 95 } | |
| 96 | |
| 97 ClientInstance::~ClientInstance() {} | |
| 98 | |
| 99 void ClientInstance::Start() { | |
| 100 DCHECK(ui_task_runner_->BelongsToCurrentThread()); | |
| 101 | |
| 102 view_.reset(new FrameConsumerBridge( | |
| 103 base::Bind(&ClientProxy::RedrawCanvas, proxyToClient_))); | |
| 104 | |
| 105 // |consumer_proxy| must be created on the UI thread to proxy calls from the | |
| 106 // network or decode thread to the UI thread, but ownership will belong to a | |
| 107 // SoftwareVideoRenderer which runs on the network thread. | |
| 108 scoped_refptr<FrameConsumerProxy> consumer_proxy = | |
| 109 new FrameConsumerProxy(ui_task_runner_, view_->AsWeakPtr()); | |
| 110 | |
| 111 // Post a task to start connection | |
| 112 base::WaitableEvent done_event(true, false); | |
| 113 network_task_runner_->PostTask( | |
| 114 FROM_HERE, | |
| 115 base::Bind(&ClientInstance::ConnectToHostOnNetworkThread, | |
| 116 this, | |
| 117 consumer_proxy, | |
| 118 base::Bind(&base::WaitableEvent::Signal, | |
| 119 base::Unretained(&done_event)))); | |
| 120 // Wait until initialization completes before continuing | |
| 121 done_event.Wait(); | |
| 122 } | |
| 123 | |
| 124 void ClientInstance::Cleanup() { | |
| 125 DCHECK(ui_task_runner_->BelongsToCurrentThread()); | |
| 126 | |
| 127 // |view_| must be destroyed on the UI thread before the producer is gone. | |
| 128 view_.reset(); | |
| 129 | |
| 130 base::WaitableEvent done_event(true, false); | |
| 131 network_task_runner_->PostTask( | |
| 132 FROM_HERE, | |
| 133 base::Bind(&ClientInstance::DisconnectFromHostOnNetworkThread, | |
| 134 this, | |
| 135 base::Bind(&base::WaitableEvent::Signal, | |
| 136 base::Unretained(&done_event)))); | |
| 137 // Wait until we are fully disconnected before continuing | |
| 138 done_event.Wait(); | |
| 139 } | |
| 140 | |
| 141 // HOST attempts to continue automatically with previously supplied credentials, | |
| 142 // if it can't it requests the user's PIN. | |
| 143 void ClientInstance::FetchSecret( | |
| 144 bool pairable, | |
| 145 const protocol::SecretFetchedCallback& callback) { | |
| 146 if (!ui_task_runner_->BelongsToCurrentThread()) { | |
| 147 ui_task_runner_->PostTask( | |
| 148 FROM_HERE, | |
| 149 base::Bind(&ClientInstance::FetchSecret, this, pairable, callback)); | |
| 150 return; | |
| 151 } | |
| 152 | |
| 153 pin_callback_ = callback; | |
| 154 | |
| 155 if (proxyToClient_) { | |
| 156 // Delete pairing credentials if they exist. | |
| 157 proxyToClient_->CommitPairingCredentials(host_id_, "", ""); | |
| 158 | |
| 159 proxyToClient_->DisplayAuthenticationPrompt(pairable); | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 void ClientInstance::ProvideSecret(const std::string& pin, | |
| 164 bool create_pairing) { | |
| 165 DCHECK(ui_task_runner_->BelongsToCurrentThread()); | |
| 166 create_pairing_ = create_pairing; | |
| 167 | |
| 168 // Before this function can complete, FetchSecret must be called | |
| 169 DCHECK(!pin_callback_.is_null()); | |
| 170 network_task_runner_->PostTask(FROM_HERE, base::Bind(pin_callback_, pin)); | |
| 171 } | |
| 172 | |
| 173 void ClientInstance::PerformMouseAction( | |
| 174 const webrtc::DesktopVector& position, | |
| 175 const webrtc::DesktopVector& wheel_delta, | |
| 176 int /* protocol::MouseEvent_MouseButton */ whichButton, | |
| 177 bool button_down) { | |
| 178 if (!network_task_runner_->BelongsToCurrentThread()) { | |
| 179 network_task_runner_->PostTask( | |
| 180 FROM_HERE, | |
| 181 base::Bind(&ClientInstance::PerformMouseAction, | |
| 182 this, | |
| 183 position, | |
| 184 wheel_delta, | |
| 185 whichButton, | |
| 186 button_down)); | |
| 187 return; | |
| 188 } | |
| 189 | |
| 190 protocol::MouseEvent_MouseButton mButton; | |
| 191 | |
| 192 // Button must be within the bounds of the MouseEvent_MouseButton enum. | |
| 193 switch (whichButton) { | |
| 194 case protocol::MouseEvent_MouseButton::MouseEvent_MouseButton_BUTTON_LEFT: | |
| 195 mButton = | |
| 196 protocol::MouseEvent_MouseButton::MouseEvent_MouseButton_BUTTON_LEFT; | |
| 197 break; | |
| 198 case protocol::MouseEvent_MouseButton::MouseEvent_MouseButton_BUTTON_MAX: | |
| 199 mButton = | |
| 200 protocol::MouseEvent_MouseButton::MouseEvent_MouseButton_BUTTON_MAX; | |
| 201 break; | |
| 202 case protocol::MouseEvent_MouseButton::MouseEvent_MouseButton_BUTTON_MIDDLE: | |
| 203 mButton = protocol::MouseEvent_MouseButton:: | |
| 204 MouseEvent_MouseButton_BUTTON_MIDDLE; | |
| 205 break; | |
| 206 case protocol::MouseEvent_MouseButton::MouseEvent_MouseButton_BUTTON_RIGHT: | |
| 207 mButton = | |
| 208 protocol::MouseEvent_MouseButton::MouseEvent_MouseButton_BUTTON_RIGHT; | |
| 209 break; | |
| 210 case protocol::MouseEvent_MouseButton:: | |
| 211 MouseEvent_MouseButton_BUTTON_UNDEFINED: | |
| 212 mButton = protocol::MouseEvent_MouseButton:: | |
| 213 MouseEvent_MouseButton_BUTTON_UNDEFINED; | |
| 214 break; | |
| 215 default: | |
| 216 LOG(FATAL) << "Invalid constant for MouseEvent_MouseButton"; | |
| 217 mButton = protocol::MouseEvent_MouseButton:: | |
| 218 MouseEvent_MouseButton_BUTTON_UNDEFINED; | |
| 219 break; | |
| 220 } | |
| 221 | |
| 222 protocol::MouseEvent action; | |
| 223 action.set_x(position.x()); | |
| 224 action.set_y(position.y()); | |
| 225 action.set_wheel_delta_x(wheel_delta.x()); | |
| 226 action.set_wheel_delta_y(wheel_delta.y()); | |
| 227 action.set_button(mButton); | |
| 228 if (mButton != protocol::MouseEvent::BUTTON_UNDEFINED) | |
| 229 action.set_button_down(button_down); | |
| 230 | |
| 231 client_->input_stub()->InjectMouseEvent(action); | |
| 232 } | |
| 233 | |
| 234 void ClientInstance::PerformKeyboardAction(int key_code, bool key_down) { | |
| 235 if (!network_task_runner_->BelongsToCurrentThread()) { | |
| 236 network_task_runner_->PostTask( | |
| 237 FROM_HERE, | |
| 238 base::Bind( | |
| 239 &ClientInstance::PerformKeyboardAction, this, key_code, key_down)); | |
| 240 return; | |
| 241 } | |
| 242 | |
| 243 protocol::KeyEvent action; | |
| 244 action.set_usb_keycode(key_code); | |
| 245 action.set_pressed(key_down); | |
| 246 client_->input_stub()->InjectKeyEvent(action); | |
| 247 } | |
| 248 | |
| 249 void ClientInstance::OnConnectionState(protocol::ConnectionToHost::State state, | |
| 250 protocol::ErrorCode error) { | |
| 251 if (!ui_task_runner_->BelongsToCurrentThread()) { | |
| 252 ui_task_runner_->PostTask( | |
| 253 FROM_HERE, | |
| 254 base::Bind(&ClientInstance::OnConnectionState, this, state, error)); | |
| 255 return; | |
| 256 } | |
| 257 | |
| 258 // TODO (aboone) This functionality is not scheduled for QA yet. | |
| 259 // if (create_pairing_ && state == protocol::ConnectionToHost::CONNECTED) { | |
| 260 // VLOG(1) << "Attempting to pair with host"; | |
| 261 // protocol::PairingRequest request; | |
| 262 // request.set_client_name("iOS"); | |
| 263 // client_->host_stub()->RequestPairing(request); | |
| 264 // } | |
| 265 | |
| 266 if (proxyToClient_) | |
| 267 proxyToClient_->ReportConnectionStatus(state, error); | |
| 268 } | |
| 269 | |
| 270 void ClientInstance::OnConnectionReady(bool ready) { | |
| 271 // We ignore this message, since OnConnectionState tells us the same thing. | |
| 272 } | |
| 273 | |
| 274 void ClientInstance::OnRouteChanged(const std::string& channel_name, | |
| 275 const protocol::TransportRoute& route) { | |
| 276 VLOG(1) << "Using " << protocol::TransportRoute::GetTypeString(route.type) | |
| 277 << " connection for " << channel_name << " channel"; | |
| 278 } | |
| 279 | |
| 280 void ClientInstance::SetCapabilities(const std::string& capabilities) { | |
| 281 } | |
| 282 | |
| 283 void ClientInstance::SetPairingResponse( | |
| 284 const protocol::PairingResponse& response) { | |
| 285 if (!ui_task_runner_->BelongsToCurrentThread()) { | |
| 286 ui_task_runner_->PostTask( | |
| 287 FROM_HERE, | |
| 288 base::Bind(&ClientInstance::SetPairingResponse, this, response)); | |
| 289 return; | |
| 290 } | |
| 291 | |
| 292 VLOG(1) << "Successfully established pairing with host"; | |
| 293 | |
| 294 if (proxyToClient_) | |
| 295 proxyToClient_->CommitPairingCredentials( | |
| 296 host_id_, response.client_id(), response.shared_secret()); | |
| 297 } | |
| 298 | |
| 299 void ClientInstance::DeliverHostMessage( | |
| 300 const protocol::ExtensionMessage& message) { | |
| 301 NOTIMPLEMENTED(); | |
| 302 } | |
| 303 | |
| 304 // Returning interface of protocol::ClipboardStub | |
| 305 protocol::ClipboardStub* ClientInstance::GetClipboardStub() { return this; } | |
| 306 | |
| 307 // Returning interface of protocol::CursorShapeStub | |
| 308 protocol::CursorShapeStub* ClientInstance::GetCursorShapeStub() { return this; } | |
| 309 | |
| 310 void ClientInstance::InjectClipboardEvent( | |
| 311 const protocol::ClipboardEvent& event) { | |
| 312 NOTIMPLEMENTED(); | |
| 313 } | |
| 314 | |
| 315 void ClientInstance::SetCursorShape(const protocol::CursorShapeInfo& shape) { | |
| 316 if (!ui_task_runner_->BelongsToCurrentThread()) { | |
| 317 ui_task_runner_->PostTask( | |
| 318 FROM_HERE, base::Bind(&ClientInstance::SetCursorShape, this, shape)); | |
| 319 return; | |
| 320 } | |
| 321 if (proxyToClient_) | |
| 322 proxyToClient_->UpdateCursorShape(shape); | |
| 323 } | |
| 324 | |
| 325 void ClientInstance::ConnectToHostOnNetworkThread( | |
| 326 scoped_refptr<FrameConsumerProxy> consumer_proxy, | |
| 327 const base::Closure& done) { | |
| 328 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
| 329 | |
| 330 client_context_->Start(); | |
| 331 | |
| 332 video_renderer_.reset( | |
| 333 new SoftwareVideoRenderer(client_context_->main_task_runner(), | |
| 334 client_context_->decode_task_runner(), | |
| 335 consumer_proxy)); | |
| 336 | |
| 337 view_->Initialize(video_renderer_.get()); | |
| 338 | |
| 339 client_.reset(new ChromotingClient(client_context_.get(), | |
| 340 this, | |
| 341 video_renderer_.get(), | |
| 342 scoped_ptr<AudioPlayer>())); | |
| 343 | |
| 344 signaling_.reset( | |
| 345 new XmppSignalStrategy(net::ClientSocketFactory::GetDefaultFactory(), | |
| 346 url_requester_, | |
| 347 xmpp_config_)); | |
| 348 | |
| 349 protocol::NetworkSettings network_settings( | |
| 350 protocol::NetworkSettings::NAT_TRAVERSAL_ENABLED); | |
| 351 | |
| 352 scoped_ptr<protocol::ChromiumPortAllocator> port_allocator( | |
| 353 protocol::ChromiumPortAllocator::Create(url_requester_, | |
| 354 network_settings)); | |
| 355 | |
| 356 scoped_ptr<protocol::TransportFactory> transport_factory( | |
| 357 new protocol::LibjingleTransportFactory( | |
| 358 signaling_.get(), | |
| 359 port_allocator.PassAs<cricket::HttpPortAllocatorBase>(), | |
| 360 network_settings)); | |
| 361 | |
| 362 client_->Start(signaling_.get(), authenticator_.Pass(), | |
| 363 transport_factory.Pass(), host_jid_, std::string()); | |
| 364 | |
| 365 if (!done.is_null()) | |
| 366 done.Run(); | |
| 367 } | |
| 368 | |
| 369 void ClientInstance::DisconnectFromHostOnNetworkThread( | |
| 370 const base::Closure& done) { | |
| 371 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
| 372 | |
| 373 host_id_.clear(); | |
| 374 | |
| 375 // |client_| must be torn down before |signaling_|. | |
| 376 client_.reset(); | |
| 377 signaling_.reset(); | |
| 378 video_renderer_.reset(); | |
| 379 client_context_->Stop(); | |
| 380 if (!done.is_null()) | |
| 381 done.Run(); | |
| 382 } | |
| 383 | |
| 384 } // namespace remoting | |
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Chromium Code Reviews
Issue 475333004:
Remove old Chromoting iOS client (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master