| // Copyright (c) 2012 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 "remoting/protocol/channel_multiplexer.h" |
| |
| #include "base/bind.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/run_loop.h" |
| #include "net/base/net_errors.h" |
| #include "net/socket/socket.h" |
| #include "net/socket/stream_socket.h" |
| #include "remoting/base/constants.h" |
| #include "remoting/protocol/connection_tester.h" |
| #include "remoting/protocol/fake_session.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using testing::_; |
| using testing::AtMost; |
| using testing::InvokeWithoutArgs; |
| |
| namespace remoting { |
| namespace protocol { |
| |
| namespace { |
| |
| const int kMessageSize = 1024; |
| const int kMessages = 100; |
| const char kMuxChannelName[] = "mux"; |
| |
| const char kTestChannelName[] = "test"; |
| const char kTestChannelName2[] = "test2"; |
| |
| |
| void QuitCurrentThread() { |
| base::MessageLoop::current()->PostTask(FROM_HERE, |
| base::MessageLoop::QuitClosure()); |
| } |
| |
| class MockSocketCallback { |
| public: |
| MOCK_METHOD1(OnDone, void(int result)); |
| }; |
| |
| class MockConnectCallback { |
| public: |
| MOCK_METHOD1(OnConnectedPtr, void(P2PStreamSocket* socket)); |
| void OnConnected(scoped_ptr<P2PStreamSocket> socket) { |
| OnConnectedPtr(socket.release()); |
| } |
| }; |
| |
| } // namespace |
| |
| class ChannelMultiplexerTest : public testing::Test { |
| public: |
| void DeleteAll() { |
| host_socket1_.reset(); |
| host_socket2_.reset(); |
| client_socket1_.reset(); |
| client_socket2_.reset(); |
| host_mux_.reset(); |
| client_mux_.reset(); |
| } |
| |
| void DeleteAfterSessionFail() { |
| host_mux_->CancelChannelCreation(kTestChannelName2); |
| DeleteAll(); |
| } |
| |
| protected: |
| void SetUp() override { |
| // Create pair of multiplexers and connect them to each other. |
| host_mux_.reset(new ChannelMultiplexer( |
| host_session_.GetTransportChannelFactory(), kMuxChannelName)); |
| client_mux_.reset(new ChannelMultiplexer( |
| client_session_.GetTransportChannelFactory(), kMuxChannelName)); |
| } |
| |
| // Connect sockets to each other. Must be called after we've created at least |
| // one channel with each multiplexer. |
| void ConnectSockets() { |
| FakeStreamSocket* host_socket = |
| host_session_.fake_channel_factory().GetFakeChannel( |
| ChannelMultiplexer::kMuxChannelName); |
| FakeStreamSocket* client_socket = |
| client_session_.fake_channel_factory().GetFakeChannel( |
| ChannelMultiplexer::kMuxChannelName); |
| host_socket->PairWith(client_socket); |
| |
| // Make writes asynchronous in one direction. |
| host_socket->set_async_write(true); |
| } |
| |
| void CreateChannel(const std::string& name, |
| scoped_ptr<P2PStreamSocket>* host_socket, |
| scoped_ptr<P2PStreamSocket>* client_socket) { |
| int counter = 2; |
| host_mux_->CreateChannel(name, base::Bind( |
| &ChannelMultiplexerTest::OnChannelConnected, base::Unretained(this), |
| host_socket, &counter)); |
| client_mux_->CreateChannel(name, base::Bind( |
| &ChannelMultiplexerTest::OnChannelConnected, base::Unretained(this), |
| client_socket, &counter)); |
| |
| message_loop_.Run(); |
| |
| EXPECT_TRUE(host_socket->get()); |
| EXPECT_TRUE(client_socket->get()); |
| } |
| |
| void OnChannelConnected( |
| scoped_ptr<P2PStreamSocket>* storage, |
| int* counter, |
| scoped_ptr<P2PStreamSocket> socket) { |
| *storage = socket.Pass(); |
| --(*counter); |
| EXPECT_GE(*counter, 0); |
| if (*counter == 0) |
| QuitCurrentThread(); |
| } |
| |
| scoped_refptr<net::IOBufferWithSize> CreateTestBuffer(int size) { |
| scoped_refptr<net::IOBufferWithSize> result = |
| new net::IOBufferWithSize(size); |
| for (int i = 0; i< size; ++i) { |
| result->data()[i] = rand() % 256; |
| } |
| return result; |
| } |
| |
| base::MessageLoop message_loop_; |
| |
| FakeSession host_session_; |
| FakeSession client_session_; |
| |
| scoped_ptr<ChannelMultiplexer> host_mux_; |
| scoped_ptr<ChannelMultiplexer> client_mux_; |
| |
| scoped_ptr<P2PStreamSocket> host_socket1_; |
| scoped_ptr<P2PStreamSocket> client_socket1_; |
| scoped_ptr<P2PStreamSocket> host_socket2_; |
| scoped_ptr<P2PStreamSocket> client_socket2_; |
| }; |
| |
| |
| TEST_F(ChannelMultiplexerTest, OneChannel) { |
| scoped_ptr<P2PStreamSocket> host_socket; |
| scoped_ptr<P2PStreamSocket> client_socket; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName, &host_socket, &client_socket)); |
| |
| ConnectSockets(); |
| |
| StreamConnectionTester tester(host_socket.get(), client_socket.get(), |
| kMessageSize, kMessages); |
| tester.Start(); |
| message_loop_.Run(); |
| tester.CheckResults(); |
| } |
| |
| TEST_F(ChannelMultiplexerTest, TwoChannels) { |
| scoped_ptr<P2PStreamSocket> host_socket1_; |
| scoped_ptr<P2PStreamSocket> client_socket1_; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName, &host_socket1_, &client_socket1_)); |
| |
| scoped_ptr<P2PStreamSocket> host_socket2_; |
| scoped_ptr<P2PStreamSocket> client_socket2_; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName2, &host_socket2_, &client_socket2_)); |
| |
| ConnectSockets(); |
| |
| StreamConnectionTester tester1(host_socket1_.get(), client_socket1_.get(), |
| kMessageSize, kMessages); |
| StreamConnectionTester tester2(host_socket2_.get(), client_socket2_.get(), |
| kMessageSize, kMessages); |
| tester1.Start(); |
| tester2.Start(); |
| while (!tester1.done() || !tester2.done()) { |
| message_loop_.Run(); |
| } |
| tester1.CheckResults(); |
| tester2.CheckResults(); |
| } |
| |
| // Four channels, two in each direction |
| TEST_F(ChannelMultiplexerTest, FourChannels) { |
| scoped_ptr<P2PStreamSocket> host_socket1_; |
| scoped_ptr<P2PStreamSocket> client_socket1_; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName, &host_socket1_, &client_socket1_)); |
| |
| scoped_ptr<P2PStreamSocket> host_socket2_; |
| scoped_ptr<P2PStreamSocket> client_socket2_; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName2, &host_socket2_, &client_socket2_)); |
| |
| scoped_ptr<P2PStreamSocket> host_socket3; |
| scoped_ptr<P2PStreamSocket> client_socket3; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel("test3", &host_socket3, &client_socket3)); |
| |
| scoped_ptr<P2PStreamSocket> host_socket4; |
| scoped_ptr<P2PStreamSocket> client_socket4; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel("ch4", &host_socket4, &client_socket4)); |
| |
| ConnectSockets(); |
| |
| StreamConnectionTester tester1(host_socket1_.get(), client_socket1_.get(), |
| kMessageSize, kMessages); |
| StreamConnectionTester tester2(host_socket2_.get(), client_socket2_.get(), |
| kMessageSize, kMessages); |
| StreamConnectionTester tester3(client_socket3.get(), host_socket3.get(), |
| kMessageSize, kMessages); |
| StreamConnectionTester tester4(client_socket4.get(), host_socket4.get(), |
| kMessageSize, kMessages); |
| tester1.Start(); |
| tester2.Start(); |
| tester3.Start(); |
| tester4.Start(); |
| while (!tester1.done() || !tester2.done() || |
| !tester3.done() || !tester4.done()) { |
| message_loop_.Run(); |
| } |
| tester1.CheckResults(); |
| tester2.CheckResults(); |
| tester3.CheckResults(); |
| tester4.CheckResults(); |
| } |
| |
| TEST_F(ChannelMultiplexerTest, WriteFailSync) { |
| scoped_ptr<P2PStreamSocket> host_socket1_; |
| scoped_ptr<P2PStreamSocket> client_socket1_; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName, &host_socket1_, &client_socket1_)); |
| |
| scoped_ptr<P2PStreamSocket> host_socket2_; |
| scoped_ptr<P2PStreamSocket> client_socket2_; |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName2, &host_socket2_, &client_socket2_)); |
| |
| ConnectSockets(); |
| |
| host_session_.fake_channel_factory().GetFakeChannel(kMuxChannelName)-> |
| set_next_write_error(net::ERR_FAILED); |
| host_session_.fake_channel_factory().GetFakeChannel(kMuxChannelName)-> |
| set_async_write(false); |
| |
| scoped_refptr<net::IOBufferWithSize> buf = CreateTestBuffer(100); |
| |
| MockSocketCallback cb1; |
| MockSocketCallback cb2; |
| |
| EXPECT_CALL(cb1, OnDone(_)) |
| .Times(0); |
| EXPECT_CALL(cb2, OnDone(_)) |
| .Times(0); |
| |
| EXPECT_EQ(net::ERR_FAILED, |
| host_socket1_->Write(buf.get(), |
| buf->size(), |
| base::Bind(&MockSocketCallback::OnDone, |
| base::Unretained(&cb1)))); |
| EXPECT_EQ(net::ERR_FAILED, |
| host_socket2_->Write(buf.get(), |
| buf->size(), |
| base::Bind(&MockSocketCallback::OnDone, |
| base::Unretained(&cb2)))); |
| |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(ChannelMultiplexerTest, WriteFailAsync) { |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName, &host_socket1_, &client_socket1_)); |
| |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName2, &host_socket2_, &client_socket2_)); |
| |
| ConnectSockets(); |
| |
| host_session_.fake_channel_factory().GetFakeChannel(kMuxChannelName)-> |
| set_next_write_error(net::ERR_FAILED); |
| host_session_.fake_channel_factory().GetFakeChannel(kMuxChannelName)-> |
| set_async_write(true); |
| |
| scoped_refptr<net::IOBufferWithSize> buf = CreateTestBuffer(100); |
| |
| MockSocketCallback cb1; |
| MockSocketCallback cb2; |
| EXPECT_CALL(cb1, OnDone(net::ERR_FAILED)); |
| EXPECT_CALL(cb2, OnDone(net::ERR_FAILED)); |
| |
| EXPECT_EQ(net::ERR_IO_PENDING, |
| host_socket1_->Write(buf.get(), |
| buf->size(), |
| base::Bind(&MockSocketCallback::OnDone, |
| base::Unretained(&cb1)))); |
| EXPECT_EQ(net::ERR_IO_PENDING, |
| host_socket2_->Write(buf.get(), |
| buf->size(), |
| base::Bind(&MockSocketCallback::OnDone, |
| base::Unretained(&cb2)))); |
| |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(ChannelMultiplexerTest, DeleteWhenFailed) { |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName, &host_socket1_, &client_socket1_)); |
| ASSERT_NO_FATAL_FAILURE( |
| CreateChannel(kTestChannelName2, &host_socket2_, &client_socket2_)); |
| |
| ConnectSockets(); |
| |
| host_session_.fake_channel_factory().GetFakeChannel(kMuxChannelName)-> |
| set_next_write_error(net::ERR_FAILED); |
| host_session_.fake_channel_factory().GetFakeChannel(kMuxChannelName)-> |
| set_async_write(true); |
| |
| scoped_refptr<net::IOBufferWithSize> buf = CreateTestBuffer(100); |
| |
| MockSocketCallback cb1; |
| MockSocketCallback cb2; |
| |
| EXPECT_CALL(cb1, OnDone(net::ERR_FAILED)) |
| .Times(AtMost(1)) |
| .WillOnce(InvokeWithoutArgs(this, &ChannelMultiplexerTest::DeleteAll)); |
| EXPECT_CALL(cb2, OnDone(net::ERR_FAILED)) |
| .Times(AtMost(1)) |
| .WillOnce(InvokeWithoutArgs(this, &ChannelMultiplexerTest::DeleteAll)); |
| |
| EXPECT_EQ(net::ERR_IO_PENDING, |
| host_socket1_->Write(buf.get(), |
| buf->size(), |
| base::Bind(&MockSocketCallback::OnDone, |
| base::Unretained(&cb1)))); |
| EXPECT_EQ(net::ERR_IO_PENDING, |
| host_socket2_->Write(buf.get(), |
| buf->size(), |
| base::Bind(&MockSocketCallback::OnDone, |
| base::Unretained(&cb2)))); |
| |
| base::RunLoop().RunUntilIdle(); |
| |
| // Check that the sockets were destroyed. |
| EXPECT_FALSE(host_mux_.get()); |
| } |
| |
| TEST_F(ChannelMultiplexerTest, SessionFail) { |
| host_session_.fake_channel_factory().set_asynchronous_create(true); |
| host_session_.fake_channel_factory().set_fail_create(true); |
| |
| MockConnectCallback cb1; |
| MockConnectCallback cb2; |
| |
| host_mux_->CreateChannel(kTestChannelName, base::Bind( |
| &MockConnectCallback::OnConnected, base::Unretained(&cb1))); |
| host_mux_->CreateChannel(kTestChannelName2, base::Bind( |
| &MockConnectCallback::OnConnected, base::Unretained(&cb2))); |
| |
| EXPECT_CALL(cb1, OnConnectedPtr(nullptr)) |
| .Times(AtMost(1)) |
| .WillOnce(InvokeWithoutArgs( |
| this, &ChannelMultiplexerTest::DeleteAfterSessionFail)); |
| EXPECT_CALL(cb2, OnConnectedPtr(_)) |
| .Times(0); |
| |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| } // namespace protocol |
| } // namespace remoting |
