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| 1 /* | |
| 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include <errno.h> | |
| 12 #include <stdarg.h> | |
| 13 #include <stdio.h> | |
| 14 | |
| 15 #include <memory> | |
| 16 #include <string> | |
| 17 #include <vector> | |
| 18 | |
| 19 #include "webrtc/base/bind.h" | |
| 20 #include "webrtc/base/copyonwritebuffer.h" | |
| 21 #include "webrtc/base/criticalsection.h" | |
| 22 #include "webrtc/base/gunit.h" | |
| 23 #include "webrtc/base/helpers.h" | |
| 24 #include "webrtc/base/messagehandler.h" | |
| 25 #include "webrtc/base/messagequeue.h" | |
| 26 #include "webrtc/base/ssladapter.h" | |
| 27 #include "webrtc/base/thread.h" | |
| 28 #include "webrtc/media/base/mediachannel.h" | |
| 29 #include "webrtc/media/base/mediaconstants.h" | |
| 30 #include "webrtc/media/sctp/sctpdataengine.h" | |
| 31 | |
| 32 namespace cricket { | |
| 33 enum { | |
| 34 MSG_PACKET = 1, | |
| 35 }; | |
| 36 | |
| 37 // Fake NetworkInterface that sends/receives sctp packets. The one in | |
| 38 // webrtc/media/base/fakenetworkinterface.h only works with rtp/rtcp. | |
| 39 class SctpFakeNetworkInterface : public MediaChannel::NetworkInterface, | |
| 40 public rtc::MessageHandler { | |
| 41 public: | |
| 42 explicit SctpFakeNetworkInterface(rtc::Thread* thread) | |
| 43 : thread_(thread), | |
| 44 dest_(NULL) { | |
| 45 } | |
| 46 | |
| 47 void SetDestination(DataMediaChannel* dest) { dest_ = dest; } | |
| 48 | |
| 49 protected: | |
| 50 // Called to send raw packet down the wire (e.g. SCTP an packet). | |
| 51 virtual bool SendPacket(rtc::CopyOnWriteBuffer* packet, | |
| 52 const rtc::PacketOptions& options) { | |
| 53 LOG(LS_VERBOSE) << "SctpFakeNetworkInterface::SendPacket"; | |
| 54 | |
| 55 rtc::CopyOnWriteBuffer* buffer = new rtc::CopyOnWriteBuffer(*packet); | |
| 56 thread_->Post(RTC_FROM_HERE, this, MSG_PACKET, | |
| 57 rtc::WrapMessageData(buffer)); | |
| 58 LOG(LS_VERBOSE) << "SctpFakeNetworkInterface::SendPacket, Posted message."; | |
| 59 return true; | |
| 60 } | |
| 61 | |
| 62 // Called when a raw packet has been recieved. This passes the data to the | |
| 63 // code that will interpret the packet. e.g. to get the content payload from | |
| 64 // an SCTP packet. | |
| 65 virtual void OnMessage(rtc::Message* msg) { | |
| 66 LOG(LS_VERBOSE) << "SctpFakeNetworkInterface::OnMessage"; | |
| 67 std::unique_ptr<rtc::CopyOnWriteBuffer> buffer( | |
| 68 static_cast<rtc::TypedMessageData<rtc::CopyOnWriteBuffer*>*>( | |
| 69 msg->pdata)->data()); | |
| 70 if (dest_) { | |
| 71 dest_->OnPacketReceived(buffer.get(), rtc::PacketTime()); | |
| 72 } | |
| 73 delete msg->pdata; | |
| 74 } | |
| 75 | |
| 76 // Unsupported functions required to exist by NetworkInterface. | |
| 77 // TODO(ldixon): Refactor parent NetworkInterface class so these are not | |
| 78 // required. They are RTC specific and should be in an appropriate subclass. | |
| 79 virtual bool SendRtcp(rtc::CopyOnWriteBuffer* packet, | |
| 80 const rtc::PacketOptions& options) { | |
| 81 LOG(LS_WARNING) << "Unsupported: SctpFakeNetworkInterface::SendRtcp."; | |
| 82 return false; | |
| 83 } | |
| 84 virtual int SetOption(SocketType type, rtc::Socket::Option opt, | |
| 85 int option) { | |
| 86 LOG(LS_WARNING) << "Unsupported: SctpFakeNetworkInterface::SetOption."; | |
| 87 return 0; | |
| 88 } | |
| 89 virtual void SetDefaultDSCPCode(rtc::DiffServCodePoint dscp) { | |
| 90 LOG(LS_WARNING) << "Unsupported: SctpFakeNetworkInterface::SetOption."; | |
| 91 } | |
| 92 | |
| 93 private: | |
| 94 // Not owned by this class. | |
| 95 rtc::Thread* thread_; | |
| 96 DataMediaChannel* dest_; | |
| 97 }; | |
| 98 | |
| 99 // This is essentially a buffer to hold recieved data. It stores only the last | |
| 100 // received data. Calling OnDataReceived twice overwrites old data with the | |
| 101 // newer one. | |
| 102 // TODO(ldixon): Implement constraints, and allow new data to be added to old | |
| 103 // instead of replacing it. | |
| 104 class SctpFakeDataReceiver : public sigslot::has_slots<> { | |
| 105 public: | |
| 106 SctpFakeDataReceiver() : received_(false) {} | |
| 107 | |
| 108 void Clear() { | |
| 109 received_ = false; | |
| 110 last_data_ = ""; | |
| 111 last_params_ = ReceiveDataParams(); | |
| 112 } | |
| 113 | |
| 114 virtual void OnDataReceived(const ReceiveDataParams& params, | |
| 115 const char* data, | |
| 116 size_t length) { | |
| 117 received_ = true; | |
| 118 last_data_ = std::string(data, length); | |
| 119 last_params_ = params; | |
| 120 } | |
| 121 | |
| 122 bool received() const { return received_; } | |
| 123 std::string last_data() const { return last_data_; } | |
| 124 ReceiveDataParams last_params() const { return last_params_; } | |
| 125 | |
| 126 private: | |
| 127 bool received_; | |
| 128 std::string last_data_; | |
| 129 ReceiveDataParams last_params_; | |
| 130 }; | |
| 131 | |
| 132 class SignalReadyToSendObserver : public sigslot::has_slots<> { | |
| 133 public: | |
| 134 SignalReadyToSendObserver() : signaled_(false), writable_(false) {} | |
| 135 | |
| 136 void OnSignaled(bool writable) { | |
| 137 signaled_ = true; | |
| 138 writable_ = writable; | |
| 139 } | |
| 140 | |
| 141 bool IsSignaled(bool writable) { | |
| 142 return signaled_ && (writable_ == writable); | |
| 143 } | |
| 144 | |
| 145 private: | |
| 146 bool signaled_; | |
| 147 bool writable_; | |
| 148 }; | |
| 149 | |
| 150 class SignalChannelClosedObserver : public sigslot::has_slots<> { | |
| 151 public: | |
| 152 SignalChannelClosedObserver() {} | |
| 153 void BindSelf(SctpDataMediaChannel* channel) { | |
| 154 channel->SignalStreamClosedRemotely.connect( | |
| 155 this, &SignalChannelClosedObserver::OnStreamClosed); | |
| 156 } | |
| 157 void OnStreamClosed(uint32_t stream) { streams_.push_back(stream); } | |
| 158 | |
| 159 int StreamCloseCount(uint32_t stream) { | |
| 160 return std::count(streams_.begin(), streams_.end(), stream); | |
| 161 } | |
| 162 | |
| 163 bool WasStreamClosed(uint32_t stream) { | |
| 164 return std::find(streams_.begin(), streams_.end(), stream) | |
| 165 != streams_.end(); | |
| 166 } | |
| 167 | |
| 168 private: | |
| 169 std::vector<uint32_t> streams_; | |
| 170 }; | |
| 171 | |
| 172 class SignalChannelClosedReopener : public sigslot::has_slots<> { | |
| 173 public: | |
| 174 SignalChannelClosedReopener(SctpDataMediaChannel* channel, | |
| 175 SctpDataMediaChannel* peer) | |
| 176 : channel_(channel), peer_(peer) {} | |
| 177 | |
| 178 void OnStreamClosed(int stream) { | |
| 179 StreamParams p(StreamParams::CreateLegacy(stream)); | |
| 180 channel_->AddSendStream(p); | |
| 181 channel_->AddRecvStream(p); | |
| 182 peer_->AddSendStream(p); | |
| 183 peer_->AddRecvStream(p); | |
| 184 streams_.push_back(stream); | |
| 185 } | |
| 186 | |
| 187 int StreamCloseCount(int stream) { | |
| 188 return std::count(streams_.begin(), streams_.end(), stream); | |
| 189 } | |
| 190 | |
| 191 private: | |
| 192 SctpDataMediaChannel* channel_; | |
| 193 SctpDataMediaChannel* peer_; | |
| 194 std::vector<int> streams_; | |
| 195 }; | |
| 196 | |
| 197 // SCTP Data Engine testing framework. | |
| 198 class SctpDataMediaChannelTest : public testing::Test, | |
| 199 public sigslot::has_slots<> { | |
| 200 protected: | |
| 201 // usrsctp uses the NSS random number generator on non-Android platforms, | |
| 202 // so we need to initialize SSL. | |
| 203 static void SetUpTestCase() { | |
| 204 } | |
| 205 | |
| 206 virtual void SetUp() { engine_.reset(new SctpDataEngine()); } | |
| 207 | |
| 208 void SetupConnectedChannels() { | |
| 209 net1_.reset(new SctpFakeNetworkInterface(rtc::Thread::Current())); | |
| 210 net2_.reset(new SctpFakeNetworkInterface(rtc::Thread::Current())); | |
| 211 recv1_.reset(new SctpFakeDataReceiver()); | |
| 212 recv2_.reset(new SctpFakeDataReceiver()); | |
| 213 chan1_ready_to_send_count_ = 0; | |
| 214 chan2_ready_to_send_count_ = 0; | |
| 215 chan1_.reset(CreateChannel(net1_.get(), recv1_.get())); | |
| 216 chan1_->set_debug_name_for_testing("chan1/connector"); | |
| 217 chan1_->SignalReadyToSend.connect( | |
| 218 this, &SctpDataMediaChannelTest::OnChan1ReadyToSend); | |
| 219 chan2_.reset(CreateChannel(net2_.get(), recv2_.get())); | |
| 220 chan2_->set_debug_name_for_testing("chan2/listener"); | |
| 221 chan2_->SignalReadyToSend.connect( | |
| 222 this, &SctpDataMediaChannelTest::OnChan2ReadyToSend); | |
| 223 // Setup two connected channels ready to send and receive. | |
| 224 net1_->SetDestination(chan2_.get()); | |
| 225 net2_->SetDestination(chan1_.get()); | |
| 226 | |
| 227 LOG(LS_VERBOSE) << "Channel setup ----------------------------- "; | |
| 228 AddStream(1); | |
| 229 AddStream(2); | |
| 230 | |
| 231 LOG(LS_VERBOSE) << "Connect the channels -----------------------------"; | |
| 232 // chan1 wants to setup a data connection. | |
| 233 chan1_->SetReceive(true); | |
| 234 // chan1 will have sent chan2 a request to setup a data connection. After | |
| 235 // chan2 accepts the offer, chan2 connects to chan1 with the following. | |
| 236 chan2_->SetReceive(true); | |
| 237 chan2_->SetSend(true); | |
| 238 // Makes sure that network packets are delivered and simulates a | |
| 239 // deterministic and realistic small timing delay between the SetSend calls. | |
| 240 ProcessMessagesUntilIdle(); | |
| 241 | |
| 242 // chan1 and chan2 are now connected so chan1 enables sending to complete | |
| 243 // the creation of the connection. | |
| 244 chan1_->SetSend(true); | |
| 245 } | |
| 246 | |
| 247 virtual void TearDown() { | |
| 248 channel1()->SetSend(false); | |
| 249 channel2()->SetSend(false); | |
| 250 | |
| 251 // Process messages until idle to prevent a sent packet from being dropped | |
| 252 // and causing memory leaks (not being deleted by the receiver). | |
| 253 ProcessMessagesUntilIdle(); | |
| 254 } | |
| 255 | |
| 256 bool AddStream(int ssrc) { | |
| 257 bool ret = true; | |
| 258 StreamParams p(StreamParams::CreateLegacy(ssrc)); | |
| 259 ret = ret && chan1_->AddSendStream(p); | |
| 260 ret = ret && chan1_->AddRecvStream(p); | |
| 261 ret = ret && chan2_->AddSendStream(p); | |
| 262 ret = ret && chan2_->AddRecvStream(p); | |
| 263 return ret; | |
| 264 } | |
| 265 | |
| 266 SctpDataMediaChannel* CreateChannel(SctpFakeNetworkInterface* net, | |
| 267 SctpFakeDataReceiver* recv) { | |
| 268 cricket::MediaConfig config; | |
| 269 SctpDataMediaChannel* channel = static_cast<SctpDataMediaChannel*>( | |
| 270 engine_->CreateChannel(DCT_SCTP, config)); | |
| 271 channel->SetInterface(net); | |
| 272 // When data is received, pass it to the SctpFakeDataReceiver. | |
| 273 channel->SignalDataReceived.connect( | |
| 274 recv, &SctpFakeDataReceiver::OnDataReceived); | |
| 275 return channel; | |
| 276 } | |
| 277 | |
| 278 bool SendData(SctpDataMediaChannel* chan, | |
| 279 uint32_t ssrc, | |
| 280 const std::string& msg, | |
| 281 SendDataResult* result) { | |
| 282 SendDataParams params; | |
| 283 params.ssrc = ssrc; | |
| 284 | |
| 285 return chan->SendData(params, rtc::CopyOnWriteBuffer( | |
| 286 &msg[0], msg.length()), result); | |
| 287 } | |
| 288 | |
| 289 bool ReceivedData(const SctpFakeDataReceiver* recv, | |
| 290 uint32_t ssrc, | |
| 291 const std::string& msg) { | |
| 292 return (recv->received() && | |
| 293 recv->last_params().ssrc == ssrc && | |
| 294 recv->last_data() == msg); | |
| 295 } | |
| 296 | |
| 297 bool ProcessMessagesUntilIdle() { | |
| 298 rtc::Thread* thread = rtc::Thread::Current(); | |
| 299 while (!thread->empty()) { | |
| 300 rtc::Message msg; | |
| 301 if (thread->Get(&msg, rtc::Thread::kForever)) { | |
| 302 thread->Dispatch(&msg); | |
| 303 } | |
| 304 } | |
| 305 return !thread->IsQuitting(); | |
| 306 } | |
| 307 | |
| 308 SctpDataMediaChannel* channel1() { return chan1_.get(); } | |
| 309 SctpDataMediaChannel* channel2() { return chan2_.get(); } | |
| 310 SctpFakeDataReceiver* receiver1() { return recv1_.get(); } | |
| 311 SctpFakeDataReceiver* receiver2() { return recv2_.get(); } | |
| 312 | |
| 313 int channel1_ready_to_send_count() { return chan1_ready_to_send_count_; } | |
| 314 int channel2_ready_to_send_count() { return chan2_ready_to_send_count_; } | |
| 315 private: | |
| 316 std::unique_ptr<SctpDataEngine> engine_; | |
| 317 std::unique_ptr<SctpFakeNetworkInterface> net1_; | |
| 318 std::unique_ptr<SctpFakeNetworkInterface> net2_; | |
| 319 std::unique_ptr<SctpFakeDataReceiver> recv1_; | |
| 320 std::unique_ptr<SctpFakeDataReceiver> recv2_; | |
| 321 std::unique_ptr<SctpDataMediaChannel> chan1_; | |
| 322 std::unique_ptr<SctpDataMediaChannel> chan2_; | |
| 323 | |
| 324 int chan1_ready_to_send_count_; | |
| 325 int chan2_ready_to_send_count_; | |
| 326 | |
| 327 void OnChan1ReadyToSend(bool send) { | |
| 328 if (send) | |
| 329 ++chan1_ready_to_send_count_; | |
| 330 } | |
| 331 void OnChan2ReadyToSend(bool send) { | |
| 332 if (send) | |
| 333 ++chan2_ready_to_send_count_; | |
| 334 } | |
| 335 }; | |
| 336 | |
| 337 // Verifies that SignalReadyToSend is fired. | |
| 338 TEST_F(SctpDataMediaChannelTest, SignalReadyToSend) { | |
| 339 SetupConnectedChannels(); | |
| 340 | |
| 341 SignalReadyToSendObserver signal_observer_1; | |
| 342 SignalReadyToSendObserver signal_observer_2; | |
| 343 | |
| 344 channel1()->SignalReadyToSend.connect(&signal_observer_1, | |
| 345 &SignalReadyToSendObserver::OnSignaled); | |
| 346 channel2()->SignalReadyToSend.connect(&signal_observer_2, | |
| 347 &SignalReadyToSendObserver::OnSignaled); | |
| 348 | |
| 349 SendDataResult result; | |
| 350 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 351 EXPECT_EQ(SDR_SUCCESS, result); | |
| 352 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 353 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 354 EXPECT_EQ(SDR_SUCCESS, result); | |
| 355 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 356 | |
| 357 EXPECT_TRUE_WAIT(signal_observer_1.IsSignaled(true), 1000); | |
| 358 EXPECT_TRUE_WAIT(signal_observer_2.IsSignaled(true), 1000); | |
| 359 } | |
| 360 | |
| 361 TEST_F(SctpDataMediaChannelTest, SendData) { | |
| 362 SetupConnectedChannels(); | |
| 363 | |
| 364 SendDataResult result; | |
| 365 LOG(LS_VERBOSE) << "chan1 sending: 'hello?' -----------------------------"; | |
| 366 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 367 EXPECT_EQ(SDR_SUCCESS, result); | |
| 368 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 369 LOG(LS_VERBOSE) << "recv2.received=" << receiver2()->received() | |
| 370 << ", recv2.last_params.ssrc=" | |
| 371 << receiver2()->last_params().ssrc | |
| 372 << ", recv2.last_params.timestamp=" | |
| 373 << receiver2()->last_params().ssrc | |
| 374 << ", recv2.last_params.seq_num=" | |
| 375 << receiver2()->last_params().seq_num | |
| 376 << ", recv2.last_data=" << receiver2()->last_data(); | |
| 377 | |
| 378 LOG(LS_VERBOSE) << "chan2 sending: 'hi chan1' -----------------------------"; | |
| 379 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 380 EXPECT_EQ(SDR_SUCCESS, result); | |
| 381 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 382 LOG(LS_VERBOSE) << "recv1.received=" << receiver1()->received() | |
| 383 << ", recv1.last_params.ssrc=" | |
| 384 << receiver1()->last_params().ssrc | |
| 385 << ", recv1.last_params.timestamp=" | |
| 386 << receiver1()->last_params().ssrc | |
| 387 << ", recv1.last_params.seq_num=" | |
| 388 << receiver1()->last_params().seq_num | |
| 389 << ", recv1.last_data=" << receiver1()->last_data(); | |
| 390 } | |
| 391 | |
| 392 // Sends a lot of large messages at once and verifies SDR_BLOCK is returned. | |
| 393 TEST_F(SctpDataMediaChannelTest, SendDataBlocked) { | |
| 394 SetupConnectedChannels(); | |
| 395 | |
| 396 SendDataResult result; | |
| 397 SendDataParams params; | |
| 398 params.ssrc = 1; | |
| 399 | |
| 400 std::vector<char> buffer(1024 * 64, 0); | |
| 401 | |
| 402 for (size_t i = 0; i < 100; ++i) { | |
| 403 channel1()->SendData( | |
| 404 params, rtc::CopyOnWriteBuffer(&buffer[0], buffer.size()), &result); | |
| 405 if (result == SDR_BLOCK) | |
| 406 break; | |
| 407 } | |
| 408 | |
| 409 EXPECT_EQ(SDR_BLOCK, result); | |
| 410 } | |
| 411 | |
| 412 TEST_F(SctpDataMediaChannelTest, ClosesRemoteStream) { | |
| 413 SetupConnectedChannels(); | |
| 414 SignalChannelClosedObserver chan_1_sig_receiver, chan_2_sig_receiver; | |
| 415 chan_1_sig_receiver.BindSelf(channel1()); | |
| 416 chan_2_sig_receiver.BindSelf(channel2()); | |
| 417 | |
| 418 SendDataResult result; | |
| 419 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 420 EXPECT_EQ(SDR_SUCCESS, result); | |
| 421 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 422 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 423 EXPECT_EQ(SDR_SUCCESS, result); | |
| 424 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 425 | |
| 426 // Close channel 1. Channel 2 should notify us. | |
| 427 channel1()->RemoveSendStream(1); | |
| 428 EXPECT_TRUE_WAIT(chan_2_sig_receiver.WasStreamClosed(1), 1000); | |
| 429 } | |
| 430 | |
| 431 TEST_F(SctpDataMediaChannelTest, ClosesTwoRemoteStreams) { | |
| 432 SetupConnectedChannels(); | |
| 433 AddStream(3); | |
| 434 SignalChannelClosedObserver chan_1_sig_receiver, chan_2_sig_receiver; | |
| 435 chan_1_sig_receiver.BindSelf(channel1()); | |
| 436 chan_2_sig_receiver.BindSelf(channel2()); | |
| 437 | |
| 438 SendDataResult result; | |
| 439 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 440 EXPECT_EQ(SDR_SUCCESS, result); | |
| 441 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 442 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 443 EXPECT_EQ(SDR_SUCCESS, result); | |
| 444 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 445 | |
| 446 // Close two streams on one side. | |
| 447 channel2()->RemoveSendStream(2); | |
| 448 channel2()->RemoveSendStream(3); | |
| 449 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(2), 1000); | |
| 450 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(3), 1000); | |
| 451 } | |
| 452 | |
| 453 TEST_F(SctpDataMediaChannelTest, ClosesStreamsOnBothSides) { | |
| 454 SetupConnectedChannels(); | |
| 455 AddStream(3); | |
| 456 AddStream(4); | |
| 457 SignalChannelClosedObserver chan_1_sig_receiver, chan_2_sig_receiver; | |
| 458 chan_1_sig_receiver.BindSelf(channel1()); | |
| 459 chan_2_sig_receiver.BindSelf(channel2()); | |
| 460 | |
| 461 SendDataResult result; | |
| 462 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 463 EXPECT_EQ(SDR_SUCCESS, result); | |
| 464 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 465 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 466 EXPECT_EQ(SDR_SUCCESS, result); | |
| 467 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 468 | |
| 469 // Close one stream on channel1(), while closing three streams on | |
| 470 // channel2(). They will conflict (only one side can close anything at a | |
| 471 // time, apparently). Test the resolution of the conflict. | |
| 472 channel1()->RemoveSendStream(1); | |
| 473 | |
| 474 channel2()->RemoveSendStream(2); | |
| 475 channel2()->RemoveSendStream(3); | |
| 476 channel2()->RemoveSendStream(4); | |
| 477 EXPECT_TRUE_WAIT(chan_2_sig_receiver.WasStreamClosed(1), 1000); | |
| 478 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(2), 1000); | |
| 479 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(3), 1000); | |
| 480 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(4), 1000); | |
| 481 } | |
| 482 | |
| 483 TEST_F(SctpDataMediaChannelTest, EngineSignalsRightChannel) { | |
| 484 SetupConnectedChannels(); | |
| 485 EXPECT_TRUE_WAIT(channel1()->socket() != NULL, 1000); | |
| 486 struct socket *sock = const_cast<struct socket*>(channel1()->socket()); | |
| 487 int prior_count = channel1_ready_to_send_count(); | |
| 488 SctpDataMediaChannel::SendThresholdCallback(sock, 0); | |
| 489 EXPECT_GT(channel1_ready_to_send_count(), prior_count); | |
| 490 } | |
| 491 | |
| 492 TEST_F(SctpDataMediaChannelTest, RefusesHighNumberedChannels) { | |
| 493 SetupConnectedChannels(); | |
| 494 EXPECT_TRUE(AddStream(kMaxSctpSid)); | |
| 495 EXPECT_FALSE(AddStream(kMaxSctpSid + 1)); | |
| 496 } | |
| 497 | |
| 498 // Flaky, see webrtc:4453. | |
| 499 TEST_F(SctpDataMediaChannelTest, DISABLED_ReusesAStream) { | |
| 500 // Shut down channel 1, then open it up again for reuse. | |
| 501 SetupConnectedChannels(); | |
| 502 SendDataResult result; | |
| 503 SignalChannelClosedObserver chan_2_sig_receiver; | |
| 504 chan_2_sig_receiver.BindSelf(channel2()); | |
| 505 | |
| 506 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 507 EXPECT_EQ(SDR_SUCCESS, result); | |
| 508 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 509 | |
| 510 channel1()->RemoveSendStream(1); | |
| 511 EXPECT_TRUE_WAIT(chan_2_sig_receiver.WasStreamClosed(1), 1000); | |
| 512 // Channel 1 is gone now. | |
| 513 | |
| 514 // Create a new channel 1. | |
| 515 AddStream(1); | |
| 516 ASSERT_TRUE(SendData(channel1(), 1, "hi?", &result)); | |
| 517 EXPECT_EQ(SDR_SUCCESS, result); | |
| 518 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hi?"), 1000); | |
| 519 channel1()->RemoveSendStream(1); | |
| 520 EXPECT_TRUE_WAIT(chan_2_sig_receiver.StreamCloseCount(1) == 2, 1000); | |
| 521 } | |
| 522 | |
| 523 } // namespace cricket | |
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Chromium Code Reviews
Issue 2564333002:
Reland of: Separating SCTP code from BaseChannel/MediaChannel. (Closed)
