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| 1 // Copyright (c) 2012 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/protocol/channel_multiplexer.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/message_loop.h" |
| 9 #include "net/base/net_errors.h" |
| 10 #include "net/socket/socket.h" |
| 11 #include "net/socket/stream_socket.h" |
| 12 #include "remoting/base/constants.h" |
| 13 #include "remoting/protocol/connection_tester.h" |
| 14 #include "remoting/protocol/fake_session.h" |
| 15 #include "testing/gmock/include/gmock/gmock.h" |
| 16 #include "testing/gtest/include/gtest/gtest.h" |
| 17 |
| 18 using testing::_; |
| 19 using testing::AtMost; |
| 20 using testing::InvokeWithoutArgs; |
| 21 |
| 22 namespace remoting { |
| 23 namespace protocol { |
| 24 |
| 25 namespace { |
| 26 |
| 27 const int kMessageSize = 1024; |
| 28 const int kMessages = 100; |
| 29 const char kMuxChannelName[] = "mux"; |
| 30 |
| 31 void QuitCurrentThread() { |
| 32 MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure()); |
| 33 } |
| 34 |
| 35 class MockSocketCallback { |
| 36 public: |
| 37 MOCK_METHOD1(OnDone, void(int result)); |
| 38 }; |
| 39 |
| 40 } // namespace |
| 41 |
| 42 class ChannelMultiplexerTest : public testing::Test { |
| 43 public: |
| 44 void DeleteAll() { |
| 45 host_socket1_.reset(); |
| 46 host_socket2_.reset(); |
| 47 client_socket1_.reset(); |
| 48 client_socket2_.reset(); |
| 49 host_mux_.reset(); |
| 50 client_mux_.reset(); |
| 51 } |
| 52 |
| 53 protected: |
| 54 virtual void SetUp() OVERRIDE { |
| 55 // Create pair of multiplexers and connect them to each other. |
| 56 host_mux_.reset(new ChannelMultiplexer(&host_session_, kMuxChannelName)); |
| 57 client_mux_.reset(new ChannelMultiplexer(&client_session_, |
| 58 kMuxChannelName)); |
| 59 FakeSocket* host_socket = |
| 60 host_session_.GetStreamChannel(ChannelMultiplexer::kMuxChannelName); |
| 61 FakeSocket* client_socket = |
| 62 client_session_.GetStreamChannel(ChannelMultiplexer::kMuxChannelName); |
| 63 host_socket->PairWith(client_socket); |
| 64 |
| 65 // Make writes asynchronous in one direction. |
| 66 host_socket->set_async_write(true); |
| 67 } |
| 68 |
| 69 void CreateChannel(const std::string& name, |
| 70 scoped_ptr<net::StreamSocket>* host_socket, |
| 71 scoped_ptr<net::StreamSocket>* client_socket) { |
| 72 int counter = 2; |
| 73 host_mux_->CreateStreamChannel(name, base::Bind( |
| 74 &ChannelMultiplexerTest::OnChannelConnected, base::Unretained(this), |
| 75 host_socket, &counter)); |
| 76 client_mux_->CreateStreamChannel(name, base::Bind( |
| 77 &ChannelMultiplexerTest::OnChannelConnected, base::Unretained(this), |
| 78 client_socket, &counter)); |
| 79 |
| 80 message_loop_.Run(); |
| 81 |
| 82 EXPECT_TRUE(host_socket->get()); |
| 83 EXPECT_TRUE(client_socket->get()); |
| 84 } |
| 85 |
| 86 void OnChannelConnected( |
| 87 scoped_ptr<net::StreamSocket>* storage, |
| 88 int* counter, |
| 89 scoped_ptr<net::StreamSocket> socket) { |
| 90 *storage = socket.Pass(); |
| 91 --(*counter); |
| 92 EXPECT_GE(*counter, 0); |
| 93 if (*counter == 0) |
| 94 QuitCurrentThread(); |
| 95 } |
| 96 |
| 97 scoped_refptr<net::IOBufferWithSize> CreateTestBuffer(int size) { |
| 98 scoped_refptr<net::IOBufferWithSize> result = |
| 99 new net::IOBufferWithSize(size); |
| 100 for (int i = 0; i< size; ++i) { |
| 101 result->data()[i] = rand() % 256; |
| 102 } |
| 103 return result; |
| 104 } |
| 105 |
| 106 MessageLoop message_loop_; |
| 107 |
| 108 FakeSession host_session_; |
| 109 FakeSession client_session_; |
| 110 |
| 111 scoped_ptr<ChannelMultiplexer> host_mux_; |
| 112 scoped_ptr<ChannelMultiplexer> client_mux_; |
| 113 |
| 114 scoped_ptr<net::StreamSocket> host_socket1_; |
| 115 scoped_ptr<net::StreamSocket> client_socket1_; |
| 116 scoped_ptr<net::StreamSocket> host_socket2_; |
| 117 scoped_ptr<net::StreamSocket> client_socket2_; |
| 118 }; |
| 119 |
| 120 |
| 121 TEST_F(ChannelMultiplexerTest, OneChannel) { |
| 122 scoped_ptr<net::StreamSocket> host_socket; |
| 123 scoped_ptr<net::StreamSocket> client_socket; |
| 124 ASSERT_NO_FATAL_FAILURE(CreateChannel("test", &host_socket, &client_socket)); |
| 125 |
| 126 StreamConnectionTester tester(host_socket.get(), client_socket.get(), |
| 127 kMessageSize, kMessages); |
| 128 tester.Start(); |
| 129 message_loop_.Run(); |
| 130 tester.CheckResults(); |
| 131 } |
| 132 |
| 133 TEST_F(ChannelMultiplexerTest, TwoChannels) { |
| 134 scoped_ptr<net::StreamSocket> host_socket1_; |
| 135 scoped_ptr<net::StreamSocket> client_socket1_; |
| 136 ASSERT_NO_FATAL_FAILURE( |
| 137 CreateChannel("test", &host_socket1_, &client_socket1_)); |
| 138 |
| 139 scoped_ptr<net::StreamSocket> host_socket2_; |
| 140 scoped_ptr<net::StreamSocket> client_socket2_; |
| 141 ASSERT_NO_FATAL_FAILURE( |
| 142 CreateChannel("ch2", &host_socket2_, &client_socket2_)); |
| 143 |
| 144 StreamConnectionTester tester1(host_socket1_.get(), client_socket1_.get(), |
| 145 kMessageSize, kMessages); |
| 146 StreamConnectionTester tester2(host_socket2_.get(), client_socket2_.get(), |
| 147 kMessageSize, kMessages); |
| 148 tester1.Start(); |
| 149 tester2.Start(); |
| 150 while (!tester1.done() || !tester2.done()) { |
| 151 message_loop_.Run(); |
| 152 } |
| 153 tester1.CheckResults(); |
| 154 tester2.CheckResults(); |
| 155 } |
| 156 |
| 157 // Four channels, two in each direction |
| 158 TEST_F(ChannelMultiplexerTest, FourChannels) { |
| 159 scoped_ptr<net::StreamSocket> host_socket1_; |
| 160 scoped_ptr<net::StreamSocket> client_socket1_; |
| 161 ASSERT_NO_FATAL_FAILURE( |
| 162 CreateChannel("test", &host_socket1_, &client_socket1_)); |
| 163 |
| 164 scoped_ptr<net::StreamSocket> host_socket2_; |
| 165 scoped_ptr<net::StreamSocket> client_socket2_; |
| 166 ASSERT_NO_FATAL_FAILURE( |
| 167 CreateChannel("ch2", &host_socket2_, &client_socket2_)); |
| 168 |
| 169 scoped_ptr<net::StreamSocket> host_socket3; |
| 170 scoped_ptr<net::StreamSocket> client_socket3; |
| 171 ASSERT_NO_FATAL_FAILURE( |
| 172 CreateChannel("test3", &host_socket3, &client_socket3)); |
| 173 |
| 174 scoped_ptr<net::StreamSocket> host_socket4; |
| 175 scoped_ptr<net::StreamSocket> client_socket4; |
| 176 ASSERT_NO_FATAL_FAILURE( |
| 177 CreateChannel("ch4", &host_socket4, &client_socket4)); |
| 178 |
| 179 StreamConnectionTester tester1(host_socket1_.get(), client_socket1_.get(), |
| 180 kMessageSize, kMessages); |
| 181 StreamConnectionTester tester2(host_socket2_.get(), client_socket2_.get(), |
| 182 kMessageSize, kMessages); |
| 183 StreamConnectionTester tester3(client_socket3.get(), host_socket3.get(), |
| 184 kMessageSize, kMessages); |
| 185 StreamConnectionTester tester4(client_socket4.get(), host_socket4.get(), |
| 186 kMessageSize, kMessages); |
| 187 tester1.Start(); |
| 188 tester2.Start(); |
| 189 tester3.Start(); |
| 190 tester4.Start(); |
| 191 while (!tester1.done() || !tester2.done() || |
| 192 !tester3.done() || !tester4.done()) { |
| 193 message_loop_.Run(); |
| 194 } |
| 195 tester1.CheckResults(); |
| 196 tester2.CheckResults(); |
| 197 tester3.CheckResults(); |
| 198 tester4.CheckResults(); |
| 199 } |
| 200 |
| 201 TEST_F(ChannelMultiplexerTest, SyncFail) { |
| 202 scoped_ptr<net::StreamSocket> host_socket1_; |
| 203 scoped_ptr<net::StreamSocket> client_socket1_; |
| 204 ASSERT_NO_FATAL_FAILURE( |
| 205 CreateChannel("test", &host_socket1_, &client_socket1_)); |
| 206 |
| 207 scoped_ptr<net::StreamSocket> host_socket2_; |
| 208 scoped_ptr<net::StreamSocket> client_socket2_; |
| 209 ASSERT_NO_FATAL_FAILURE( |
| 210 CreateChannel("ch2", &host_socket2_, &client_socket2_)); |
| 211 |
| 212 host_session_.GetStreamChannel(kMuxChannelName)-> |
| 213 set_next_write_error(net::ERR_FAILED); |
| 214 host_session_.GetStreamChannel(kMuxChannelName)-> |
| 215 set_async_write(false); |
| 216 |
| 217 scoped_refptr<net::IOBufferWithSize> buf = CreateTestBuffer(100); |
| 218 |
| 219 MockSocketCallback cb1; |
| 220 MockSocketCallback cb2; |
| 221 |
| 222 EXPECT_CALL(cb1, OnDone(_)) |
| 223 .Times(0); |
| 224 EXPECT_CALL(cb2, OnDone(_)) |
| 225 .Times(0); |
| 226 |
| 227 EXPECT_EQ(net::ERR_FAILED, host_socket1_->Write(buf, buf->size(), base::Bind( |
| 228 &MockSocketCallback::OnDone, base::Unretained(&cb1)))); |
| 229 EXPECT_EQ(net::ERR_FAILED, host_socket2_->Write(buf, buf->size(), base::Bind( |
| 230 &MockSocketCallback::OnDone, base::Unretained(&cb2)))); |
| 231 |
| 232 message_loop_.RunAllPending(); |
| 233 } |
| 234 |
| 235 TEST_F(ChannelMultiplexerTest, AsyncFail) { |
| 236 ASSERT_NO_FATAL_FAILURE( |
| 237 CreateChannel("test", &host_socket1_, &client_socket1_)); |
| 238 |
| 239 ASSERT_NO_FATAL_FAILURE( |
| 240 CreateChannel("ch2", &host_socket2_, &client_socket2_)); |
| 241 |
| 242 host_session_.GetStreamChannel(kMuxChannelName)-> |
| 243 set_next_write_error(net::ERR_FAILED); |
| 244 host_session_.GetStreamChannel(kMuxChannelName)-> |
| 245 set_async_write(true); |
| 246 |
| 247 scoped_refptr<net::IOBufferWithSize> buf = CreateTestBuffer(100); |
| 248 |
| 249 MockSocketCallback cb1; |
| 250 MockSocketCallback cb2; |
| 251 EXPECT_CALL(cb1, OnDone(net::ERR_FAILED)); |
| 252 EXPECT_CALL(cb2, OnDone(net::ERR_FAILED)); |
| 253 |
| 254 EXPECT_EQ(net::ERR_IO_PENDING, |
| 255 host_socket1_->Write(buf, buf->size(), base::Bind( |
| 256 &MockSocketCallback::OnDone, base::Unretained(&cb1)))); |
| 257 EXPECT_EQ(net::ERR_IO_PENDING, |
| 258 host_socket2_->Write(buf, buf->size(), base::Bind( |
| 259 &MockSocketCallback::OnDone, base::Unretained(&cb2)))); |
| 260 |
| 261 message_loop_.RunAllPending(); |
| 262 } |
| 263 |
| 264 TEST_F(ChannelMultiplexerTest, DeleteWhenFailed) { |
| 265 ASSERT_NO_FATAL_FAILURE( |
| 266 CreateChannel("test", &host_socket1_, &client_socket1_)); |
| 267 ASSERT_NO_FATAL_FAILURE( |
| 268 CreateChannel("ch2", &host_socket2_, &client_socket2_)); |
| 269 |
| 270 host_session_.GetStreamChannel(kMuxChannelName)-> |
| 271 set_next_write_error(net::ERR_FAILED); |
| 272 host_session_.GetStreamChannel(kMuxChannelName)-> |
| 273 set_async_write(true); |
| 274 |
| 275 scoped_refptr<net::IOBufferWithSize> buf = CreateTestBuffer(100); |
| 276 |
| 277 MockSocketCallback cb1; |
| 278 MockSocketCallback cb2; |
| 279 |
| 280 EXPECT_CALL(cb1, OnDone(net::ERR_FAILED)) |
| 281 .Times(AtMost(1)) |
| 282 .WillOnce(InvokeWithoutArgs(this, &ChannelMultiplexerTest::DeleteAll)); |
| 283 EXPECT_CALL(cb2, OnDone(net::ERR_FAILED)) |
| 284 .Times(AtMost(1)) |
| 285 .WillOnce(InvokeWithoutArgs(this, &ChannelMultiplexerTest::DeleteAll)); |
| 286 |
| 287 EXPECT_EQ(net::ERR_IO_PENDING, |
| 288 host_socket1_->Write(buf, buf->size(), base::Bind( |
| 289 &MockSocketCallback::OnDone, base::Unretained(&cb1)))); |
| 290 EXPECT_EQ(net::ERR_IO_PENDING, |
| 291 host_socket2_->Write(buf, buf->size(), base::Bind( |
| 292 &MockSocketCallback::OnDone, base::Unretained(&cb2)))); |
| 293 |
| 294 message_loop_.RunAllPending(); |
| 295 |
| 296 // Check that the sockets were destroyed. |
| 297 EXPECT_FALSE(host_mux_.get()); |
| 298 } |
| 299 |
| 300 } // namespace protocol |
| 301 } // namespace remoting |
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