diff options
Diffstat (limited to 'remoting/protocol/jingle_chromotocol_connection_unittest.cc')
| -rw-r--r-- | remoting/protocol/jingle_chromotocol_connection_unittest.cc | 611 |
1 files changed, 611 insertions, 0 deletions
diff --git a/remoting/protocol/jingle_chromotocol_connection_unittest.cc b/remoting/protocol/jingle_chromotocol_connection_unittest.cc new file mode 100644 index 0000000..d8f12cd --- /dev/null +++ b/remoting/protocol/jingle_chromotocol_connection_unittest.cc @@ -0,0 +1,611 @@ +// Copyright (c) 2010 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/time.h" +#include "base/waitable_event.h" +#include "base/test/test_timeouts.h" +#include "net/base/completion_callback.h" +#include "net/base/io_buffer.h" +#include "net/base/net_errors.h" +#include "net/socket/socket.h" +#include "remoting/protocol/jingle_chromotocol_connection.h" +#include "remoting/protocol/jingle_chromotocol_server.h" +#include "remoting/protocol/session_manager_pair.h" +#include "remoting/jingle_glue/jingle_thread.h" +#include "testing/gmock/include/gmock/gmock.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "third_party/libjingle/source/talk/p2p/client/basicportallocator.h" + +using testing::_; +using testing::DoAll; +using testing::Invoke; +using testing::InvokeWithoutArgs; +using testing::Return; +using testing::SaveArg; +using testing::SetArgumentPointee; +using testing::WithArg; + +namespace remoting { +class JingleChromotocolConnectionTest; +} // namespace remoting + +DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::JingleChromotocolConnectionTest); + +namespace remoting { + +namespace { +// Send 100 messages 1024 bytes each. UDP messages are sent with 10ms delay +// between messages (about 1 second for 100 messages). +const int kMessageSize = 1024; +const int kMessages = 100; +const int kTestDataSize = kMessages * kMessageSize; +const int kUdpWriteDelayMs = 10; +} // namespace + +class MockServerCallback { + public: + MOCK_METHOD2(OnIncomingConnection, + void(ChromotocolConnection*, + ChromotocolServer::IncomingConnectionResponse*)); +}; + +class MockConnectionCallback { + public: + MOCK_METHOD1(OnStateChange, void(ChromotocolConnection::State)); +}; + +class JingleChromotocolConnectionTest : public testing::Test { + public: + // Helper method to copy to set value of client_connection_. + void SetHostConnection(ChromotocolConnection* connection) { + DCHECK(connection); + host_connection_ = connection; + host_connection_->SetStateChangeCallback( + NewCallback(&host_connection_callback_, + &MockConnectionCallback::OnStateChange)); + + connection->set_config(ChromotocolConfig::CreateDefault()); + } + + protected: + virtual void SetUp() { + thread_.Start(); + } + + virtual void TearDown() { + CloseConnections(); + + if (host_server_) { + host_server_->Close(NewRunnableFunction( + &JingleChromotocolConnectionTest::DoNothing)); + } + if (client_server_) { + client_server_->Close(NewRunnableFunction( + &JingleChromotocolConnectionTest::DoNothing)); + } + thread_.Stop(); + } + + void CreateServerPair() { + // SessionManagerPair must be initialized on the jingle thread. + thread_.message_loop()->PostTask( + FROM_HERE, NewRunnableMethod( + this, &JingleChromotocolConnectionTest::DoCreateServerPair)); + SyncWithJingleThread(); + } + + void CloseConnections() { + if (host_connection_) { + host_connection_->Close(NewRunnableFunction( + &JingleChromotocolConnectionTest::DoNothing)); + } + if (client_connection_) { + client_connection_->Close(NewRunnableFunction( + &JingleChromotocolConnectionTest::DoNothing)); + } + SyncWithJingleThread(); + } + + void DoCreateServerPair() { + session_manager_pair_ = new SessionManagerPair(&thread_); + session_manager_pair_->Init(); + host_server_ = new JingleChromotocolServer(&thread_); + host_server_->set_allow_local_ips(true); + host_server_->Init(SessionManagerPair::kHostJid, + session_manager_pair_->host_session_manager(), + NewCallback(&host_server_callback_, + &MockServerCallback::OnIncomingConnection)); + client_server_ = new JingleChromotocolServer(&thread_); + client_server_->set_allow_local_ips(true); + client_server_->Init(SessionManagerPair::kClientJid, + session_manager_pair_->client_session_manager(), + NewCallback(&client_server_callback_, + &MockServerCallback::OnIncomingConnection)); + } + + bool InitiateConnection() { + EXPECT_CALL(host_server_callback_, OnIncomingConnection(_, _)) + .WillOnce(DoAll( + WithArg<0>(Invoke( + this, &JingleChromotocolConnectionTest::SetHostConnection)), + SetArgumentPointee<1>(ChromotocolServer::ACCEPT))); + + base::WaitableEvent host_connected_event(false, false); + EXPECT_CALL(host_connection_callback_, + OnStateChange(ChromotocolConnection::CONNECTING)) + .Times(1); + EXPECT_CALL(host_connection_callback_, + OnStateChange(ChromotocolConnection::CONNECTED)) + .Times(1) + .WillOnce(InvokeWithoutArgs(&host_connected_event, + &base::WaitableEvent::Signal)); + // Expect that the connection will be closed eventually. + EXPECT_CALL(host_connection_callback_, + OnStateChange(ChromotocolConnection::CLOSED)) + .Times(1); + + base::WaitableEvent client_connected_event(false, false); + EXPECT_CALL(client_connection_callback_, + OnStateChange(ChromotocolConnection::CONNECTING)) + .Times(1); + EXPECT_CALL(client_connection_callback_, + OnStateChange(ChromotocolConnection::CONNECTED)) + .Times(1) + .WillOnce(InvokeWithoutArgs(&client_connected_event, + &base::WaitableEvent::Signal)); + // Expect that the connection will be closed eventually. + EXPECT_CALL(client_connection_callback_, + OnStateChange(ChromotocolConnection::CLOSED)) + .Times(1); + + client_connection_ = client_server_->Connect( + SessionManagerPair::kHostJid, + CandidateChromotocolConfig::CreateDefault(), + NewCallback(&client_connection_callback_, + &MockConnectionCallback::OnStateChange)); + + return host_connected_event.TimedWait(base::TimeDelta::FromMilliseconds( + TestTimeouts::action_max_timeout_ms())) && + client_connected_event.TimedWait(base::TimeDelta::FromMilliseconds( + TestTimeouts::action_max_timeout_ms())); + } + + static void SignalEvent(base::WaitableEvent* event) { + event->Signal(); + } + + static void DoNothing() { } + + void SyncWithJingleThread() { + base::WaitableEvent event(true, false); + thread_.message_loop()->PostTask( + FROM_HERE, NewRunnableFunction(&SignalEvent, &event)); + event.Wait(); + } + + JingleThread thread_; + scoped_refptr<SessionManagerPair> session_manager_pair_; + scoped_refptr<JingleChromotocolServer> host_server_; + MockServerCallback host_server_callback_; + scoped_refptr<JingleChromotocolServer> client_server_; + MockServerCallback client_server_callback_; + + scoped_refptr<ChromotocolConnection> host_connection_; + MockConnectionCallback host_connection_callback_; + scoped_refptr<ChromotocolConnection> client_connection_; + MockConnectionCallback client_connection_callback_; +}; + +class ChannelTesterBase : public base::RefCountedThreadSafe<ChannelTesterBase> { + public: + enum ChannelType { + CONTROL, + EVENT, + VIDEO, + VIDEO_RTP, + VIDEO_RTCP, + }; + + ChannelTesterBase(MessageLoop* message_loop, + ChromotocolConnection* host_connection, + ChromotocolConnection* client_connection) + : message_loop_(message_loop), + host_connection_(host_connection), + client_connection_(client_connection), + done_event_(true, false) { + } + + virtual ~ChannelTesterBase() { } + + void Start(ChannelType channel) { + message_loop_->PostTask( + FROM_HERE, NewRunnableMethod(this, &ChannelTesterBase::DoStart, + channel)); + } + + bool WaitFinished() { + return done_event_.TimedWait(base::TimeDelta::FromMilliseconds( + TestTimeouts::action_max_timeout_ms())); + } + + virtual void CheckResults() = 0; + + protected: + void DoStart(ChannelType channel) { + socket_1_ = SelectChannel(host_connection_, channel); + socket_2_ = SelectChannel(client_connection_, channel); + + InitBuffers(); + DoRead(); + DoWrite(); + } + + virtual void InitBuffers() = 0; + virtual void DoWrite() = 0; + virtual void DoRead() = 0; + + net::Socket* SelectChannel(ChromotocolConnection* connection, + ChannelType channel) { + switch (channel) { + case CONTROL: + return connection->control_channel(); + case EVENT: + return connection->event_channel(); + case VIDEO: + return connection->video_channel(); + case VIDEO_RTP: + return connection->video_rtp_channel(); + case VIDEO_RTCP: + return connection->video_rtcp_channel(); + default: + NOTREACHED(); + return NULL; + } + } + + MessageLoop* message_loop_; + scoped_refptr<ChromotocolConnection> host_connection_; + scoped_refptr<ChromotocolConnection> client_connection_; + net::Socket* socket_1_; + net::Socket* socket_2_; + base::WaitableEvent done_event_; +}; + +class TCPChannelTester : public ChannelTesterBase { + public: + TCPChannelTester(MessageLoop* message_loop, + ChromotocolConnection* host_connection, + ChromotocolConnection* client_connection) + : ChannelTesterBase(message_loop, host_connection, client_connection), + ALLOW_THIS_IN_INITIALIZER_LIST( + write_cb_(this, &TCPChannelTester::OnWritten)), + ALLOW_THIS_IN_INITIALIZER_LIST( + read_cb_(this, &TCPChannelTester::OnRead)), + write_errors_(0), + read_errors_(0) { + } + + virtual ~TCPChannelTester() { } + + virtual void CheckResults() { + EXPECT_EQ(0, write_errors_); + EXPECT_EQ(0, read_errors_); + + ASSERT_EQ(kTestDataSize + kMessageSize, input_buffer_->capacity()); + + output_buffer_->SetOffset(0); + ASSERT_EQ(kTestDataSize, output_buffer_->size()); + + EXPECT_EQ(0, memcmp(output_buffer_->data(), + input_buffer_->StartOfBuffer(), kTestDataSize)); + } + + protected: + virtual void InitBuffers() { + output_buffer_ = new net::DrainableIOBuffer( + new net::IOBuffer(kTestDataSize), kTestDataSize); + memset(output_buffer_->data(), 123, kTestDataSize); + + input_buffer_ = new net::GrowableIOBuffer(); + // Always keep kMessageSize bytes available at the end of the input buffer. + input_buffer_->SetCapacity(kMessageSize); + } + + virtual void DoWrite() { + int result = 1; + while (result > 0) { + if (output_buffer_->BytesRemaining() == 0) + break; + + int bytes_to_write = std::min(output_buffer_->BytesRemaining(), + kMessageSize); + result = socket_1_->Write(output_buffer_, bytes_to_write, &write_cb_); + HandleWriteResult(result); + }; + } + + void OnWritten(int result) { + HandleWriteResult(result); + DoWrite(); + } + + void HandleWriteResult(int result) { + if (result <= 0 && result != net::ERR_IO_PENDING) { + LOG(ERROR) << "Received error " << result << " when trying to write"; + write_errors_++; + done_event_.Signal(); + } else if (result > 0) { + output_buffer_->DidConsume(result); + } + } + + virtual void DoRead() { + int result = 1; + while (result > 0) { + input_buffer_->set_offset(input_buffer_->capacity() - kMessageSize); + + result = socket_2_->Read(input_buffer_, kMessageSize, &read_cb_); + HandleReadResult(result); + }; + } + + void OnRead(int result) { + HandleReadResult(result); + if (!done_event_.IsSignaled()) + DoRead(); // Don't try to read again when we are done reading. + } + + void HandleReadResult(int result) { + if (result <= 0 && result != net::ERR_IO_PENDING) { + if (!done_event_.IsSignaled()) { + LOG(ERROR) << "Received error " << result << " when trying to read"; + read_errors_++; + done_event_.Signal(); + } + } else if (result > 0) { + // Allocate memory for the next read. + input_buffer_->SetCapacity(input_buffer_->capacity() + result); + if (input_buffer_->capacity() == kTestDataSize + kMessageSize) + done_event_.Signal(); + } + } + + private: + scoped_refptr<net::DrainableIOBuffer> output_buffer_; + scoped_refptr<net::GrowableIOBuffer> input_buffer_; + + net::CompletionCallbackImpl<TCPChannelTester> write_cb_; + net::CompletionCallbackImpl<TCPChannelTester> read_cb_; + int write_errors_; + int read_errors_; +}; + +class UDPChannelTester : public ChannelTesterBase { + public: + UDPChannelTester(MessageLoop* message_loop, + ChromotocolConnection* host_connection, + ChromotocolConnection* client_connection) + : ChannelTesterBase(message_loop, host_connection, client_connection), + ALLOW_THIS_IN_INITIALIZER_LIST( + write_cb_(this, &UDPChannelTester::OnWritten)), + ALLOW_THIS_IN_INITIALIZER_LIST( + read_cb_(this, &UDPChannelTester::OnRead)), + write_errors_(0), + read_errors_(0), + packets_sent_(0), + packets_received_(0), + broken_packets_(0) { + } + + virtual ~UDPChannelTester() { } + + virtual void CheckResults() { + EXPECT_EQ(0, write_errors_); + EXPECT_EQ(0, read_errors_); + + EXPECT_EQ(0, broken_packets_); + + // Verify that we've received at least one packet. + EXPECT_GT(packets_received_, 0); + LOG(INFO) << "Received " << packets_received_ << " packets out of " + << kMessages; + } + + protected: + virtual void InitBuffers() { + } + + virtual void DoWrite() { + if (packets_sent_ >= kMessages) { + done_event_.Signal(); + return; + } + + scoped_refptr<net::IOBuffer> packet = new net::IOBuffer(kMessageSize); + memset(packet->data(), 123, kMessageSize); + sent_packets_[packets_sent_] = packet; + // Put index of this packet in the beginning of the packet body. + memcpy(packet->data(), &packets_sent_, sizeof(packets_sent_)); + + int result = socket_1_->Write(packet, kMessageSize, &write_cb_); + HandleWriteResult(result); + } + + void OnWritten(int result) { + HandleWriteResult(result); + } + + void HandleWriteResult(int result) { + if (result <= 0 && result != net::ERR_IO_PENDING) { + LOG(ERROR) << "Received error " << result << " when trying to write"; + write_errors_++; + done_event_.Signal(); + } else if (result > 0) { + EXPECT_EQ(kMessageSize, result); + packets_sent_++; + message_loop_->PostDelayedTask( + FROM_HERE, NewRunnableMethod(this, &UDPChannelTester::DoWrite), + kUdpWriteDelayMs); + } + } + + virtual void DoRead() { + int result = 1; + while (result > 0) { + int kReadSize = kMessageSize * 2; + read_buffer_ = new net::IOBuffer(kReadSize); + + result = socket_2_->Read(read_buffer_, kReadSize, &read_cb_); + HandleReadResult(result); + }; + } + + void OnRead(int result) { + HandleReadResult(result); + DoRead(); + } + + void HandleReadResult(int result) { + if (result <= 0 && result != net::ERR_IO_PENDING) { + // Error will be received after the socket is closed. + if (!done_event_.IsSignaled()) { + LOG(ERROR) << "Received error " << result << " when trying to read"; + read_errors_++; + done_event_.Signal(); + } + } else if (result > 0) { + packets_received_++; + if (kMessageSize != result) { + // Invalid packet size; + broken_packets_++; + } else { + // Validate packet body. + int packet_id; + memcpy(&packet_id, read_buffer_->data(), sizeof(packet_id)); + if (packet_id < 0 || packet_id >= kMessages) { + broken_packets_++; + } else { + if (memcmp(read_buffer_->data(), sent_packets_[packet_id]->data(), + kMessageSize) != 0) + broken_packets_++; + } + } + } + } + + private: + scoped_refptr<net::IOBuffer> sent_packets_[kMessages]; + scoped_refptr<net::IOBuffer> read_buffer_; + + net::CompletionCallbackImpl<UDPChannelTester> write_cb_; + net::CompletionCallbackImpl<UDPChannelTester> read_cb_; + int write_errors_; + int read_errors_; + int packets_sent_; + int packets_received_; + int broken_packets_; +}; + +// Verify that we can create and destory server objects without a connection. +TEST_F(JingleChromotocolConnectionTest, CreateAndDestoy) { + CreateServerPair(); +} + +// Verify that incoming connection can be rejected, and that the status +// of the connection is set to CLOSED in this case. +TEST_F(JingleChromotocolConnectionTest, RejectConnection) { + CreateServerPair(); + + // Reject incoming connection. + EXPECT_CALL(host_server_callback_, OnIncomingConnection(_, _)) + .WillOnce(SetArgumentPointee<1>(ChromotocolServer::DECLINE)); + + base::WaitableEvent done_event(false, false); + EXPECT_CALL(client_connection_callback_, + OnStateChange(ChromotocolConnection::CONNECTING)) + .Times(1); + EXPECT_CALL(client_connection_callback_, + OnStateChange(ChromotocolConnection::CLOSED)) + .Times(1) + .WillOnce(InvokeWithoutArgs(&done_event, &base::WaitableEvent::Signal)); + + client_connection_ = client_server_->Connect( + SessionManagerPair::kHostJid, + CandidateChromotocolConfig::CreateDefault(), + NewCallback(&client_connection_callback_, + &MockConnectionCallback::OnStateChange)); + + ASSERT_TRUE( + done_event.TimedWait(base::TimeDelta::FromMilliseconds( + TestTimeouts::action_max_timeout_ms()))); +} + +// Verify that we can connect two endpoints. +TEST_F(JingleChromotocolConnectionTest, Connect) { + CreateServerPair(); + ASSERT_TRUE(InitiateConnection()); +} + +// Verify that data can be transmitted over the event channel. +TEST_F(JingleChromotocolConnectionTest, TestControlChannel) { + CreateServerPair(); + ASSERT_TRUE(InitiateConnection()); + scoped_refptr<TCPChannelTester> tester = + new TCPChannelTester(thread_.message_loop(), host_connection_, + client_connection_); + tester->Start(ChannelTesterBase::CONTROL); + ASSERT_TRUE(tester->WaitFinished()); + tester->CheckResults(); + + // Connections must be closed while |tester| still exists. + CloseConnections(); +} + + +// Verify that data can be transmitted over the video channel. +TEST_F(JingleChromotocolConnectionTest, TestVideoChannel) { + CreateServerPair(); + ASSERT_TRUE(InitiateConnection()); + scoped_refptr<TCPChannelTester> tester = + new TCPChannelTester(thread_.message_loop(), host_connection_, + client_connection_); + tester->Start(ChannelTesterBase::VIDEO); + ASSERT_TRUE(tester->WaitFinished()); + tester->CheckResults(); + + // Connections must be closed while |tester| still exists. + CloseConnections(); +} + +// Verify that data can be transmitted over the event channel. +TEST_F(JingleChromotocolConnectionTest, TestEventChannel) { + CreateServerPair(); + ASSERT_TRUE(InitiateConnection()); + scoped_refptr<TCPChannelTester> tester = + new TCPChannelTester(thread_.message_loop(), host_connection_, + client_connection_); + tester->Start(ChannelTesterBase::EVENT); + ASSERT_TRUE(tester->WaitFinished()); + tester->CheckResults(); + + // Connections must be closed while |tester| still exists. + CloseConnections(); +} + +// Verify that data can be transmitted over the video RTP channel. +TEST_F(JingleChromotocolConnectionTest, TestVideoRtpChannel) { + CreateServerPair(); + ASSERT_TRUE(InitiateConnection()); + scoped_refptr<UDPChannelTester> tester = + new UDPChannelTester(thread_.message_loop(), host_connection_, + client_connection_); + tester->Start(ChannelTesterBase::VIDEO_RTP); + ASSERT_TRUE(tester->WaitFinished()); + tester->CheckResults(); + + // Connections must be closed while |tester| still exists. + CloseConnections(); +} + +} // namespace remoting |