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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2013 Google Inc. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 * this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 #include <errno.h> | |
| 29 #include <stdarg.h> | |
| 30 #include <stdio.h> | |
| 31 #include <string> | |
| 32 #include <vector> | |
| 33 | |
| 34 #include "talk/media/base/constants.h" | |
| 35 #include "talk/media/base/mediachannel.h" | |
| 36 #include "talk/media/sctp/sctpdataengine.h" | |
| 37 #include "webrtc/base/bind.h" | |
| 38 #include "webrtc/base/buffer.h" | |
| 39 #include "webrtc/base/criticalsection.h" | |
| 40 #include "webrtc/base/gunit.h" | |
| 41 #include "webrtc/base/helpers.h" | |
| 42 #include "webrtc/base/messagehandler.h" | |
| 43 #include "webrtc/base/messagequeue.h" | |
| 44 #include "webrtc/base/scoped_ptr.h" | |
| 45 #include "webrtc/base/ssladapter.h" | |
| 46 #include "webrtc/base/thread.h" | |
| 47 | |
| 48 enum { | |
| 49 MSG_PACKET = 1, | |
| 50 }; | |
| 51 | |
| 52 // Fake NetworkInterface that sends/receives sctp packets. The one in | |
| 53 // talk/media/base/fakenetworkinterface.h only works with rtp/rtcp. | |
| 54 class SctpFakeNetworkInterface : public cricket::MediaChannel::NetworkInterface, | |
| 55 public rtc::MessageHandler { | |
| 56 public: | |
| 57 explicit SctpFakeNetworkInterface(rtc::Thread* thread) | |
| 58 : thread_(thread), | |
| 59 dest_(NULL) { | |
| 60 } | |
| 61 | |
| 62 void SetDestination(cricket::DataMediaChannel* dest) { dest_ = dest; } | |
| 63 | |
| 64 protected: | |
| 65 // Called to send raw packet down the wire (e.g. SCTP an packet). | |
| 66 virtual bool SendPacket(rtc::Buffer* packet, | |
| 67 const rtc::PacketOptions& options) { | |
| 68 LOG(LS_VERBOSE) << "SctpFakeNetworkInterface::SendPacket"; | |
| 69 | |
| 70 // TODO(ldixon): Can/should we use Buffer.TransferTo here? | |
| 71 // Note: this assignment does a deep copy of data from packet. | |
| 72 rtc::Buffer* buffer = new rtc::Buffer(packet->data(), packet->size()); | |
| 73 thread_->Post(this, MSG_PACKET, rtc::WrapMessageData(buffer)); | |
| 74 LOG(LS_VERBOSE) << "SctpFakeNetworkInterface::SendPacket, Posted message."; | |
| 75 return true; | |
| 76 } | |
| 77 | |
| 78 // Called when a raw packet has been recieved. This passes the data to the | |
| 79 // code that will interpret the packet. e.g. to get the content payload from | |
| 80 // an SCTP packet. | |
| 81 virtual void OnMessage(rtc::Message* msg) { | |
| 82 LOG(LS_VERBOSE) << "SctpFakeNetworkInterface::OnMessage"; | |
| 83 rtc::scoped_ptr<rtc::Buffer> buffer( | |
| 84 static_cast<rtc::TypedMessageData<rtc::Buffer*>*>( | |
| 85 msg->pdata)->data()); | |
| 86 if (dest_) { | |
| 87 dest_->OnPacketReceived(buffer.get(), rtc::PacketTime()); | |
| 88 } | |
| 89 delete msg->pdata; | |
| 90 } | |
| 91 | |
| 92 // Unsupported functions required to exist by NetworkInterface. | |
| 93 // TODO(ldixon): Refactor parent NetworkInterface class so these are not | |
| 94 // required. They are RTC specific and should be in an appropriate subclass. | |
| 95 virtual bool SendRtcp(rtc::Buffer* packet, | |
| 96 const rtc::PacketOptions& options) { | |
| 97 LOG(LS_WARNING) << "Unsupported: SctpFakeNetworkInterface::SendRtcp."; | |
| 98 return false; | |
| 99 } | |
| 100 virtual int SetOption(SocketType type, rtc::Socket::Option opt, | |
| 101 int option) { | |
| 102 LOG(LS_WARNING) << "Unsupported: SctpFakeNetworkInterface::SetOption."; | |
| 103 return 0; | |
| 104 } | |
| 105 virtual void SetDefaultDSCPCode(rtc::DiffServCodePoint dscp) { | |
| 106 LOG(LS_WARNING) << "Unsupported: SctpFakeNetworkInterface::SetOption."; | |
| 107 } | |
| 108 | |
| 109 private: | |
| 110 // Not owned by this class. | |
| 111 rtc::Thread* thread_; | |
| 112 cricket::DataMediaChannel* dest_; | |
| 113 }; | |
| 114 | |
| 115 // This is essentially a buffer to hold recieved data. It stores only the last | |
| 116 // received data. Calling OnDataReceived twice overwrites old data with the | |
| 117 // newer one. | |
| 118 // TODO(ldixon): Implement constraints, and allow new data to be added to old | |
| 119 // instead of replacing it. | |
| 120 class SctpFakeDataReceiver : public sigslot::has_slots<> { | |
| 121 public: | |
| 122 SctpFakeDataReceiver() : received_(false) {} | |
| 123 | |
| 124 void Clear() { | |
| 125 received_ = false; | |
| 126 last_data_ = ""; | |
| 127 last_params_ = cricket::ReceiveDataParams(); | |
| 128 } | |
| 129 | |
| 130 virtual void OnDataReceived(const cricket::ReceiveDataParams& params, | |
| 131 const char* data, size_t length) { | |
| 132 received_ = true; | |
| 133 last_data_ = std::string(data, length); | |
| 134 last_params_ = params; | |
| 135 } | |
| 136 | |
| 137 bool received() const { return received_; } | |
| 138 std::string last_data() const { return last_data_; } | |
| 139 cricket::ReceiveDataParams last_params() const { return last_params_; } | |
| 140 | |
| 141 private: | |
| 142 bool received_; | |
| 143 std::string last_data_; | |
| 144 cricket::ReceiveDataParams last_params_; | |
| 145 }; | |
| 146 | |
| 147 class SignalReadyToSendObserver : public sigslot::has_slots<> { | |
| 148 public: | |
| 149 SignalReadyToSendObserver() : signaled_(false), writable_(false) {} | |
| 150 | |
| 151 void OnSignaled(bool writable) { | |
| 152 signaled_ = true; | |
| 153 writable_ = writable; | |
| 154 } | |
| 155 | |
| 156 bool IsSignaled(bool writable) { | |
| 157 return signaled_ && (writable_ == writable); | |
| 158 } | |
| 159 | |
| 160 private: | |
| 161 bool signaled_; | |
| 162 bool writable_; | |
| 163 }; | |
| 164 | |
| 165 class SignalChannelClosedObserver : public sigslot::has_slots<> { | |
| 166 public: | |
| 167 SignalChannelClosedObserver() {} | |
| 168 void BindSelf(cricket::SctpDataMediaChannel* channel) { | |
| 169 channel->SignalStreamClosedRemotely.connect( | |
| 170 this, &SignalChannelClosedObserver::OnStreamClosed); | |
| 171 } | |
| 172 void OnStreamClosed(uint32_t stream) { streams_.push_back(stream); } | |
| 173 | |
| 174 int StreamCloseCount(uint32_t stream) { | |
| 175 return std::count(streams_.begin(), streams_.end(), stream); | |
| 176 } | |
| 177 | |
| 178 bool WasStreamClosed(uint32_t stream) { | |
| 179 return std::find(streams_.begin(), streams_.end(), stream) | |
| 180 != streams_.end(); | |
| 181 } | |
| 182 | |
| 183 private: | |
| 184 std::vector<uint32_t> streams_; | |
| 185 }; | |
| 186 | |
| 187 class SignalChannelClosedReopener : public sigslot::has_slots<> { | |
| 188 public: | |
| 189 SignalChannelClosedReopener(cricket::SctpDataMediaChannel* channel, | |
| 190 cricket::SctpDataMediaChannel* peer) | |
| 191 : channel_(channel), peer_(peer) {} | |
| 192 | |
| 193 void OnStreamClosed(int stream) { | |
| 194 cricket::StreamParams p(cricket::StreamParams::CreateLegacy(stream)); | |
| 195 channel_->AddSendStream(p); | |
| 196 channel_->AddRecvStream(p); | |
| 197 peer_->AddSendStream(p); | |
| 198 peer_->AddRecvStream(p); | |
| 199 streams_.push_back(stream); | |
| 200 } | |
| 201 | |
| 202 int StreamCloseCount(int stream) { | |
| 203 return std::count(streams_.begin(), streams_.end(), stream); | |
| 204 } | |
| 205 | |
| 206 private: | |
| 207 cricket::SctpDataMediaChannel* channel_; | |
| 208 cricket::SctpDataMediaChannel* peer_; | |
| 209 std::vector<int> streams_; | |
| 210 }; | |
| 211 | |
| 212 // SCTP Data Engine testing framework. | |
| 213 class SctpDataMediaChannelTest : public testing::Test, | |
| 214 public sigslot::has_slots<> { | |
| 215 protected: | |
| 216 // usrsctp uses the NSS random number generator on non-Android platforms, | |
| 217 // so we need to initialize SSL. | |
| 218 static void SetUpTestCase() { | |
| 219 } | |
| 220 | |
| 221 virtual void SetUp() { | |
| 222 engine_.reset(new cricket::SctpDataEngine()); | |
| 223 } | |
| 224 | |
| 225 void SetupConnectedChannels() { | |
| 226 net1_.reset(new SctpFakeNetworkInterface(rtc::Thread::Current())); | |
| 227 net2_.reset(new SctpFakeNetworkInterface(rtc::Thread::Current())); | |
| 228 recv1_.reset(new SctpFakeDataReceiver()); | |
| 229 recv2_.reset(new SctpFakeDataReceiver()); | |
| 230 chan1_ready_to_send_count_ = 0; | |
| 231 chan2_ready_to_send_count_ = 0; | |
| 232 chan1_.reset(CreateChannel(net1_.get(), recv1_.get())); | |
| 233 chan1_->set_debug_name("chan1/connector"); | |
| 234 chan1_->SignalReadyToSend.connect( | |
| 235 this, &SctpDataMediaChannelTest::OnChan1ReadyToSend); | |
| 236 chan2_.reset(CreateChannel(net2_.get(), recv2_.get())); | |
| 237 chan2_->set_debug_name("chan2/listener"); | |
| 238 chan2_->SignalReadyToSend.connect( | |
| 239 this, &SctpDataMediaChannelTest::OnChan2ReadyToSend); | |
| 240 // Setup two connected channels ready to send and receive. | |
| 241 net1_->SetDestination(chan2_.get()); | |
| 242 net2_->SetDestination(chan1_.get()); | |
| 243 | |
| 244 LOG(LS_VERBOSE) << "Channel setup ----------------------------- "; | |
| 245 AddStream(1); | |
| 246 AddStream(2); | |
| 247 | |
| 248 LOG(LS_VERBOSE) << "Connect the channels -----------------------------"; | |
| 249 // chan1 wants to setup a data connection. | |
| 250 chan1_->SetReceive(true); | |
| 251 // chan1 will have sent chan2 a request to setup a data connection. After | |
| 252 // chan2 accepts the offer, chan2 connects to chan1 with the following. | |
| 253 chan2_->SetReceive(true); | |
| 254 chan2_->SetSend(true); | |
| 255 // Makes sure that network packets are delivered and simulates a | |
| 256 // deterministic and realistic small timing delay between the SetSend calls. | |
| 257 ProcessMessagesUntilIdle(); | |
| 258 | |
| 259 // chan1 and chan2 are now connected so chan1 enables sending to complete | |
| 260 // the creation of the connection. | |
| 261 chan1_->SetSend(true); | |
| 262 } | |
| 263 | |
| 264 virtual void TearDown() { | |
| 265 channel1()->SetSend(false); | |
| 266 channel2()->SetSend(false); | |
| 267 | |
| 268 // Process messages until idle to prevent a sent packet from being dropped | |
| 269 // and causing memory leaks (not being deleted by the receiver). | |
| 270 ProcessMessagesUntilIdle(); | |
| 271 } | |
| 272 | |
| 273 bool AddStream(int ssrc) { | |
| 274 bool ret = true; | |
| 275 cricket::StreamParams p(cricket::StreamParams::CreateLegacy(ssrc)); | |
| 276 ret = ret && chan1_->AddSendStream(p); | |
| 277 ret = ret && chan1_->AddRecvStream(p); | |
| 278 ret = ret && chan2_->AddSendStream(p); | |
| 279 ret = ret && chan2_->AddRecvStream(p); | |
| 280 return ret; | |
| 281 } | |
| 282 | |
| 283 cricket::SctpDataMediaChannel* CreateChannel( | |
| 284 SctpFakeNetworkInterface* net, SctpFakeDataReceiver* recv) { | |
| 285 cricket::SctpDataMediaChannel* channel = | |
| 286 static_cast<cricket::SctpDataMediaChannel*>(engine_->CreateChannel( | |
| 287 cricket::DCT_SCTP)); | |
| 288 channel->SetInterface(net); | |
| 289 // When data is received, pass it to the SctpFakeDataReceiver. | |
| 290 channel->SignalDataReceived.connect( | |
| 291 recv, &SctpFakeDataReceiver::OnDataReceived); | |
| 292 return channel; | |
| 293 } | |
| 294 | |
| 295 bool SendData(cricket::SctpDataMediaChannel* chan, | |
| 296 uint32_t ssrc, | |
| 297 const std::string& msg, | |
| 298 cricket::SendDataResult* result) { | |
| 299 cricket::SendDataParams params; | |
| 300 params.ssrc = ssrc; | |
| 301 | |
| 302 return chan->SendData(params, rtc::Buffer( | |
| 303 &msg[0], msg.length()), result); | |
| 304 } | |
| 305 | |
| 306 bool ReceivedData(const SctpFakeDataReceiver* recv, | |
| 307 uint32_t ssrc, | |
| 308 const std::string& msg) { | |
| 309 return (recv->received() && | |
| 310 recv->last_params().ssrc == ssrc && | |
| 311 recv->last_data() == msg); | |
| 312 } | |
| 313 | |
| 314 bool ProcessMessagesUntilIdle() { | |
| 315 rtc::Thread* thread = rtc::Thread::Current(); | |
| 316 while (!thread->empty()) { | |
| 317 rtc::Message msg; | |
| 318 if (thread->Get(&msg, rtc::Thread::kForever)) { | |
| 319 thread->Dispatch(&msg); | |
| 320 } | |
| 321 } | |
| 322 return !thread->IsQuitting(); | |
| 323 } | |
| 324 | |
| 325 cricket::SctpDataMediaChannel* channel1() { return chan1_.get(); } | |
| 326 cricket::SctpDataMediaChannel* channel2() { return chan2_.get(); } | |
| 327 SctpFakeDataReceiver* receiver1() { return recv1_.get(); } | |
| 328 SctpFakeDataReceiver* receiver2() { return recv2_.get(); } | |
| 329 | |
| 330 int channel1_ready_to_send_count() { return chan1_ready_to_send_count_; } | |
| 331 int channel2_ready_to_send_count() { return chan2_ready_to_send_count_; } | |
| 332 private: | |
| 333 rtc::scoped_ptr<cricket::SctpDataEngine> engine_; | |
| 334 rtc::scoped_ptr<SctpFakeNetworkInterface> net1_; | |
| 335 rtc::scoped_ptr<SctpFakeNetworkInterface> net2_; | |
| 336 rtc::scoped_ptr<SctpFakeDataReceiver> recv1_; | |
| 337 rtc::scoped_ptr<SctpFakeDataReceiver> recv2_; | |
| 338 rtc::scoped_ptr<cricket::SctpDataMediaChannel> chan1_; | |
| 339 rtc::scoped_ptr<cricket::SctpDataMediaChannel> chan2_; | |
| 340 | |
| 341 int chan1_ready_to_send_count_; | |
| 342 int chan2_ready_to_send_count_; | |
| 343 | |
| 344 void OnChan1ReadyToSend(bool send) { | |
| 345 if (send) | |
| 346 ++chan1_ready_to_send_count_; | |
| 347 } | |
| 348 void OnChan2ReadyToSend(bool send) { | |
| 349 if (send) | |
| 350 ++chan2_ready_to_send_count_; | |
| 351 } | |
| 352 }; | |
| 353 | |
| 354 // Verifies that SignalReadyToSend is fired. | |
| 355 TEST_F(SctpDataMediaChannelTest, SignalReadyToSend) { | |
| 356 SetupConnectedChannels(); | |
| 357 | |
| 358 SignalReadyToSendObserver signal_observer_1; | |
| 359 SignalReadyToSendObserver signal_observer_2; | |
| 360 | |
| 361 channel1()->SignalReadyToSend.connect(&signal_observer_1, | |
| 362 &SignalReadyToSendObserver::OnSignaled); | |
| 363 channel2()->SignalReadyToSend.connect(&signal_observer_2, | |
| 364 &SignalReadyToSendObserver::OnSignaled); | |
| 365 | |
| 366 cricket::SendDataResult result; | |
| 367 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 368 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 369 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 370 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 371 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 372 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 373 | |
| 374 EXPECT_TRUE_WAIT(signal_observer_1.IsSignaled(true), 1000); | |
| 375 EXPECT_TRUE_WAIT(signal_observer_2.IsSignaled(true), 1000); | |
| 376 } | |
| 377 | |
| 378 TEST_F(SctpDataMediaChannelTest, SendData) { | |
| 379 SetupConnectedChannels(); | |
| 380 | |
| 381 cricket::SendDataResult result; | |
| 382 LOG(LS_VERBOSE) << "chan1 sending: 'hello?' -----------------------------"; | |
| 383 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 384 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 385 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 386 LOG(LS_VERBOSE) << "recv2.received=" << receiver2()->received() | |
| 387 << ", recv2.last_params.ssrc=" | |
| 388 << receiver2()->last_params().ssrc | |
| 389 << ", recv2.last_params.timestamp=" | |
| 390 << receiver2()->last_params().ssrc | |
| 391 << ", recv2.last_params.seq_num=" | |
| 392 << receiver2()->last_params().seq_num | |
| 393 << ", recv2.last_data=" << receiver2()->last_data(); | |
| 394 | |
| 395 LOG(LS_VERBOSE) << "chan2 sending: 'hi chan1' -----------------------------"; | |
| 396 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 397 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 398 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 399 LOG(LS_VERBOSE) << "recv1.received=" << receiver1()->received() | |
| 400 << ", recv1.last_params.ssrc=" | |
| 401 << receiver1()->last_params().ssrc | |
| 402 << ", recv1.last_params.timestamp=" | |
| 403 << receiver1()->last_params().ssrc | |
| 404 << ", recv1.last_params.seq_num=" | |
| 405 << receiver1()->last_params().seq_num | |
| 406 << ", recv1.last_data=" << receiver1()->last_data(); | |
| 407 } | |
| 408 | |
| 409 // Sends a lot of large messages at once and verifies SDR_BLOCK is returned. | |
| 410 TEST_F(SctpDataMediaChannelTest, SendDataBlocked) { | |
| 411 SetupConnectedChannels(); | |
| 412 | |
| 413 cricket::SendDataResult result; | |
| 414 cricket::SendDataParams params; | |
| 415 params.ssrc = 1; | |
| 416 | |
| 417 std::vector<char> buffer(1024 * 64, 0); | |
| 418 | |
| 419 for (size_t i = 0; i < 100; ++i) { | |
| 420 channel1()->SendData( | |
| 421 params, rtc::Buffer(&buffer[0], buffer.size()), &result); | |
| 422 if (result == cricket::SDR_BLOCK) | |
| 423 break; | |
| 424 } | |
| 425 | |
| 426 EXPECT_EQ(cricket::SDR_BLOCK, result); | |
| 427 } | |
| 428 | |
| 429 TEST_F(SctpDataMediaChannelTest, ClosesRemoteStream) { | |
| 430 SetupConnectedChannels(); | |
| 431 SignalChannelClosedObserver chan_1_sig_receiver, chan_2_sig_receiver; | |
| 432 chan_1_sig_receiver.BindSelf(channel1()); | |
| 433 chan_2_sig_receiver.BindSelf(channel2()); | |
| 434 | |
| 435 cricket::SendDataResult result; | |
| 436 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 437 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 438 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 439 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 440 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 441 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 442 | |
| 443 // Close channel 1. Channel 2 should notify us. | |
| 444 channel1()->RemoveSendStream(1); | |
| 445 EXPECT_TRUE_WAIT(chan_2_sig_receiver.WasStreamClosed(1), 1000); | |
| 446 } | |
| 447 | |
| 448 TEST_F(SctpDataMediaChannelTest, ClosesTwoRemoteStreams) { | |
| 449 SetupConnectedChannels(); | |
| 450 AddStream(3); | |
| 451 SignalChannelClosedObserver chan_1_sig_receiver, chan_2_sig_receiver; | |
| 452 chan_1_sig_receiver.BindSelf(channel1()); | |
| 453 chan_2_sig_receiver.BindSelf(channel2()); | |
| 454 | |
| 455 cricket::SendDataResult result; | |
| 456 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 457 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 458 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 459 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 460 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 461 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 462 | |
| 463 // Close two streams on one side. | |
| 464 channel2()->RemoveSendStream(2); | |
| 465 channel2()->RemoveSendStream(3); | |
| 466 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(2), 1000); | |
| 467 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(3), 1000); | |
| 468 } | |
| 469 | |
| 470 TEST_F(SctpDataMediaChannelTest, ClosesStreamsOnBothSides) { | |
| 471 SetupConnectedChannels(); | |
| 472 AddStream(3); | |
| 473 AddStream(4); | |
| 474 SignalChannelClosedObserver chan_1_sig_receiver, chan_2_sig_receiver; | |
| 475 chan_1_sig_receiver.BindSelf(channel1()); | |
| 476 chan_2_sig_receiver.BindSelf(channel2()); | |
| 477 | |
| 478 cricket::SendDataResult result; | |
| 479 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 480 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 481 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 482 ASSERT_TRUE(SendData(channel2(), 2, "hi chan1", &result)); | |
| 483 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 484 EXPECT_TRUE_WAIT(ReceivedData(receiver1(), 2, "hi chan1"), 1000); | |
| 485 | |
| 486 // Close one stream on channel1(), while closing three streams on | |
| 487 // channel2(). They will conflict (only one side can close anything at a | |
| 488 // time, apparently). Test the resolution of the conflict. | |
| 489 channel1()->RemoveSendStream(1); | |
| 490 | |
| 491 channel2()->RemoveSendStream(2); | |
| 492 channel2()->RemoveSendStream(3); | |
| 493 channel2()->RemoveSendStream(4); | |
| 494 EXPECT_TRUE_WAIT(chan_2_sig_receiver.WasStreamClosed(1), 1000); | |
| 495 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(2), 1000); | |
| 496 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(3), 1000); | |
| 497 EXPECT_TRUE_WAIT(chan_1_sig_receiver.WasStreamClosed(4), 1000); | |
| 498 } | |
| 499 | |
| 500 TEST_F(SctpDataMediaChannelTest, EngineSignalsRightChannel) { | |
| 501 SetupConnectedChannels(); | |
| 502 EXPECT_TRUE_WAIT(channel1()->socket() != NULL, 1000); | |
| 503 struct socket *sock = const_cast<struct socket*>(channel1()->socket()); | |
| 504 int prior_count = channel1_ready_to_send_count(); | |
| 505 cricket::SctpDataEngine::SendThresholdCallback(sock, 0); | |
| 506 EXPECT_GT(channel1_ready_to_send_count(), prior_count); | |
| 507 } | |
| 508 | |
| 509 TEST_F(SctpDataMediaChannelTest, RefusesHighNumberedChannels) { | |
| 510 SetupConnectedChannels(); | |
| 511 EXPECT_TRUE(AddStream(1022)); | |
| 512 EXPECT_FALSE(AddStream(1023)); | |
| 513 } | |
| 514 | |
| 515 // Flaky on Linux and Windows. See webrtc:4453. | |
| 516 #if defined(WEBRTC_WIN) || defined(WEBRTC_LINUX) | |
| 517 #define MAYBE_ReusesAStream DISABLED_ReusesAStream | |
| 518 #else | |
| 519 #define MAYBE_ReusesAStream ReusesAStream | |
| 520 #endif | |
| 521 TEST_F(SctpDataMediaChannelTest, MAYBE_ReusesAStream) { | |
| 522 // Shut down channel 1, then open it up again for reuse. | |
| 523 SetupConnectedChannels(); | |
| 524 cricket::SendDataResult result; | |
| 525 SignalChannelClosedObserver chan_2_sig_receiver; | |
| 526 chan_2_sig_receiver.BindSelf(channel2()); | |
| 527 | |
| 528 ASSERT_TRUE(SendData(channel1(), 1, "hello?", &result)); | |
| 529 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 530 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hello?"), 1000); | |
| 531 | |
| 532 channel1()->RemoveSendStream(1); | |
| 533 EXPECT_TRUE_WAIT(chan_2_sig_receiver.WasStreamClosed(1), 1000); | |
| 534 // Channel 1 is gone now. | |
| 535 | |
| 536 // Create a new channel 1. | |
| 537 AddStream(1); | |
| 538 ASSERT_TRUE(SendData(channel1(), 1, "hi?", &result)); | |
| 539 EXPECT_EQ(cricket::SDR_SUCCESS, result); | |
| 540 EXPECT_TRUE_WAIT(ReceivedData(receiver2(), 1, "hi?"), 1000); | |
| 541 channel1()->RemoveSendStream(1); | |
| 542 EXPECT_TRUE_WAIT(chan_2_sig_receiver.StreamCloseCount(1) == 2, 1000); | |
| 543 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1587193006:
Move talk/media to webrtc/media (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master