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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 "net/socket/tcp_server_socket.h" | |
| 6 | |
| 7 #include <string> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "net/base/address_list.h" | |
| 14 #include "net/base/io_buffer.h" | |
| 15 #include "net/base/ip_endpoint.h" | |
| 16 #include "net/base/net_errors.h" | |
| 17 #include "net/base/test_completion_callback.h" | |
| 18 #include "net/socket/tcp_client_socket.h" | |
| 19 #include "testing/gtest/include/gtest/gtest.h" | |
| 20 #include "testing/platform_test.h" | |
| 21 | |
| 22 namespace net { | |
| 23 | |
| 24 namespace { | |
| 25 const int kListenBacklog = 5; | |
| 26 | |
| 27 class TCPServerSocketTest : public PlatformTest { | |
| 28 protected: | |
| 29 TCPServerSocketTest() | |
| 30 : socket_(NULL, NetLog::Source()) { | |
| 31 } | |
| 32 | |
| 33 void SetUpIPv4() { | |
| 34 IPEndPoint address; | |
| 35 ParseAddress("127.0.0.1", 0, &address); | |
| 36 ASSERT_EQ(OK, socket_.Listen(address, kListenBacklog)); | |
| 37 ASSERT_EQ(OK, socket_.GetLocalAddress(&local_address_)); | |
| 38 } | |
| 39 | |
| 40 void SetUpIPv6(bool* success) { | |
| 41 *success = false; | |
| 42 IPEndPoint address; | |
| 43 ParseAddress("::1", 0, &address); | |
| 44 if (socket_.Listen(address, kListenBacklog) != 0) { | |
| 45 LOG(ERROR) << "Failed to listen on ::1 - probably because IPv6 is " | |
| 46 "disabled. Skipping the test"; | |
| 47 return; | |
| 48 } | |
| 49 ASSERT_EQ(OK, socket_.GetLocalAddress(&local_address_)); | |
| 50 *success = true; | |
| 51 } | |
| 52 | |
| 53 void ParseAddress(std::string ip_str, uint16 port, IPEndPoint* address) { | |
| 54 IPAddressNumber ip_number; | |
| 55 bool rv = ParseIPLiteralToNumber(ip_str, &ip_number); | |
| 56 if (!rv) | |
| 57 return; | |
| 58 *address = IPEndPoint(ip_number, port); | |
| 59 } | |
| 60 | |
| 61 static IPEndPoint GetPeerAddress(StreamSocket* socket) { | |
| 62 IPEndPoint address; | |
| 63 EXPECT_EQ(OK, socket->GetPeerAddress(&address)); | |
| 64 return address; | |
| 65 } | |
| 66 | |
| 67 AddressList local_address_list() const { | |
| 68 return AddressList(local_address_); | |
| 69 } | |
| 70 | |
| 71 TCPServerSocket socket_; | |
| 72 IPEndPoint local_address_; | |
| 73 }; | |
| 74 | |
| 75 TEST_F(TCPServerSocketTest, Accept) { | |
| 76 ASSERT_NO_FATAL_FAILURE(SetUpIPv4()); | |
| 77 | |
| 78 TestCompletionCallback connect_callback; | |
| 79 TCPClientSocket connecting_socket(local_address_list(), | |
| 80 NULL, NetLog::Source()); | |
| 81 connecting_socket.Connect(connect_callback.callback()); | |
| 82 | |
| 83 TestCompletionCallback accept_callback; | |
| 84 scoped_ptr<StreamSocket> accepted_socket; | |
| 85 int result = socket_.Accept(&accepted_socket, accept_callback.callback()); | |
| 86 if (result == ERR_IO_PENDING) | |
| 87 result = accept_callback.WaitForResult(); | |
| 88 ASSERT_EQ(OK, result); | |
| 89 | |
| 90 ASSERT_TRUE(accepted_socket.get() != NULL); | |
| 91 | |
| 92 // Both sockets should be on the loopback network interface. | |
| 93 EXPECT_EQ(GetPeerAddress(accepted_socket.get()).address(), | |
| 94 local_address_.address()); | |
| 95 | |
| 96 EXPECT_EQ(OK, connect_callback.WaitForResult()); | |
| 97 } | |
| 98 | |
| 99 // Test Accept() callback. | |
| 100 TEST_F(TCPServerSocketTest, AcceptAsync) { | |
| 101 ASSERT_NO_FATAL_FAILURE(SetUpIPv4()); | |
| 102 | |
| 103 TestCompletionCallback accept_callback; | |
| 104 scoped_ptr<StreamSocket> accepted_socket; | |
| 105 | |
| 106 ASSERT_EQ(ERR_IO_PENDING, | |
| 107 socket_.Accept(&accepted_socket, accept_callback.callback())); | |
| 108 | |
| 109 TestCompletionCallback connect_callback; | |
| 110 TCPClientSocket connecting_socket(local_address_list(), | |
| 111 NULL, NetLog::Source()); | |
| 112 connecting_socket.Connect(connect_callback.callback()); | |
| 113 | |
| 114 EXPECT_EQ(OK, connect_callback.WaitForResult()); | |
| 115 EXPECT_EQ(OK, accept_callback.WaitForResult()); | |
| 116 | |
| 117 EXPECT_TRUE(accepted_socket != NULL); | |
| 118 | |
| 119 // Both sockets should be on the loopback network interface. | |
| 120 EXPECT_EQ(GetPeerAddress(accepted_socket.get()).address(), | |
| 121 local_address_.address()); | |
| 122 } | |
| 123 | |
| 124 // Accept two connections simultaneously. | |
| 125 TEST_F(TCPServerSocketTest, Accept2Connections) { | |
| 126 ASSERT_NO_FATAL_FAILURE(SetUpIPv4()); | |
| 127 | |
| 128 TestCompletionCallback accept_callback; | |
| 129 scoped_ptr<StreamSocket> accepted_socket; | |
| 130 | |
| 131 ASSERT_EQ(ERR_IO_PENDING, | |
| 132 socket_.Accept(&accepted_socket, accept_callback.callback())); | |
| 133 | |
| 134 TestCompletionCallback connect_callback; | |
| 135 TCPClientSocket connecting_socket(local_address_list(), | |
| 136 NULL, NetLog::Source()); | |
| 137 connecting_socket.Connect(connect_callback.callback()); | |
| 138 | |
| 139 TestCompletionCallback connect_callback2; | |
| 140 TCPClientSocket connecting_socket2(local_address_list(), | |
| 141 NULL, NetLog::Source()); | |
| 142 connecting_socket2.Connect(connect_callback2.callback()); | |
| 143 | |
| 144 EXPECT_EQ(OK, accept_callback.WaitForResult()); | |
| 145 | |
| 146 TestCompletionCallback accept_callback2; | |
| 147 scoped_ptr<StreamSocket> accepted_socket2; | |
| 148 int result = socket_.Accept(&accepted_socket2, accept_callback2.callback()); | |
| 149 if (result == ERR_IO_PENDING) | |
| 150 result = accept_callback2.WaitForResult(); | |
| 151 ASSERT_EQ(OK, result); | |
| 152 | |
| 153 EXPECT_EQ(OK, connect_callback.WaitForResult()); | |
| 154 | |
| 155 EXPECT_TRUE(accepted_socket != NULL); | |
| 156 EXPECT_TRUE(accepted_socket2 != NULL); | |
| 157 EXPECT_NE(accepted_socket.get(), accepted_socket2.get()); | |
| 158 | |
| 159 EXPECT_EQ(GetPeerAddress(accepted_socket.get()).address(), | |
| 160 local_address_.address()); | |
| 161 EXPECT_EQ(GetPeerAddress(accepted_socket2.get()).address(), | |
| 162 local_address_.address()); | |
| 163 } | |
| 164 | |
| 165 TEST_F(TCPServerSocketTest, AcceptIPv6) { | |
| 166 bool initialized = false; | |
| 167 ASSERT_NO_FATAL_FAILURE(SetUpIPv6(&initialized)); | |
| 168 if (!initialized) | |
| 169 return; | |
| 170 | |
| 171 TestCompletionCallback connect_callback; | |
| 172 TCPClientSocket connecting_socket(local_address_list(), | |
| 173 NULL, NetLog::Source()); | |
| 174 connecting_socket.Connect(connect_callback.callback()); | |
| 175 | |
| 176 TestCompletionCallback accept_callback; | |
| 177 scoped_ptr<StreamSocket> accepted_socket; | |
| 178 int result = socket_.Accept(&accepted_socket, accept_callback.callback()); | |
| 179 if (result == ERR_IO_PENDING) | |
| 180 result = accept_callback.WaitForResult(); | |
| 181 ASSERT_EQ(OK, result); | |
| 182 | |
| 183 ASSERT_TRUE(accepted_socket.get() != NULL); | |
| 184 | |
| 185 // Both sockets should be on the loopback network interface. | |
| 186 EXPECT_EQ(GetPeerAddress(accepted_socket.get()).address(), | |
| 187 local_address_.address()); | |
| 188 | |
| 189 EXPECT_EQ(OK, connect_callback.WaitForResult()); | |
| 190 } | |
| 191 | |
| 192 TEST_F(TCPServerSocketTest, AcceptIO) { | |
| 193 ASSERT_NO_FATAL_FAILURE(SetUpIPv4()); | |
| 194 | |
| 195 TestCompletionCallback connect_callback; | |
| 196 TCPClientSocket connecting_socket(local_address_list(), | |
| 197 NULL, NetLog::Source()); | |
| 198 connecting_socket.Connect(connect_callback.callback()); | |
| 199 | |
| 200 TestCompletionCallback accept_callback; | |
| 201 scoped_ptr<StreamSocket> accepted_socket; | |
| 202 int result = socket_.Accept(&accepted_socket, accept_callback.callback()); | |
| 203 ASSERT_EQ(OK, accept_callback.GetResult(result)); | |
| 204 | |
| 205 ASSERT_TRUE(accepted_socket.get() != NULL); | |
| 206 | |
| 207 // Both sockets should be on the loopback network interface. | |
| 208 EXPECT_EQ(GetPeerAddress(accepted_socket.get()).address(), | |
| 209 local_address_.address()); | |
| 210 | |
| 211 EXPECT_EQ(OK, connect_callback.WaitForResult()); | |
| 212 | |
| 213 const std::string message("test message"); | |
| 214 std::vector<char> buffer(message.size()); | |
| 215 | |
| 216 size_t bytes_written = 0; | |
| 217 while (bytes_written < message.size()) { | |
| 218 scoped_refptr<IOBufferWithSize> write_buffer( | |
| 219 new IOBufferWithSize(message.size() - bytes_written)); | |
| 220 memmove(write_buffer->data(), message.data(), message.size()); | |
| 221 | |
| 222 TestCompletionCallback write_callback; | |
| 223 int write_result = accepted_socket->Write( | |
| 224 write_buffer.get(), write_buffer->size(), write_callback.callback()); | |
| 225 write_result = write_callback.GetResult(write_result); | |
| 226 ASSERT_TRUE(write_result >= 0); | |
| 227 ASSERT_TRUE(bytes_written + write_result <= message.size()); | |
| 228 bytes_written += write_result; | |
| 229 } | |
| 230 | |
| 231 size_t bytes_read = 0; | |
| 232 while (bytes_read < message.size()) { | |
| 233 scoped_refptr<IOBufferWithSize> read_buffer( | |
| 234 new IOBufferWithSize(message.size() - bytes_read)); | |
| 235 TestCompletionCallback read_callback; | |
| 236 int read_result = connecting_socket.Read( | |
| 237 read_buffer.get(), read_buffer->size(), read_callback.callback()); | |
| 238 read_result = read_callback.GetResult(read_result); | |
| 239 ASSERT_TRUE(read_result >= 0); | |
| 240 ASSERT_TRUE(bytes_read + read_result <= message.size()); | |
| 241 memmove(&buffer[bytes_read], read_buffer->data(), read_result); | |
| 242 bytes_read += read_result; | |
| 243 } | |
| 244 | |
| 245 std::string received_message(buffer.begin(), buffer.end()); | |
| 246 ASSERT_EQ(message, received_message); | |
| 247 } | |
| 248 | |
| 249 } // namespace | |
| 250 | |
| 251 } // namespace net | |
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