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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/socket/tcp_client_socket.h" | 5 #include "net/socket/tcp_client_socket.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <fcntl.h> | 8 #include <fcntl.h> |
| 9 #include <netdb.h> | 9 #include <netdb.h> |
| 10 #include <sys/socket.h> | 10 #include <sys/socket.h> |
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| 143 | 143 |
| 144 // If already connected, then just return OK. | 144 // If already connected, then just return OK. |
| 145 if (socket_ != kInvalidSocket) | 145 if (socket_ != kInvalidSocket) |
| 146 return OK; | 146 return OK; |
| 147 | 147 |
| 148 static base::StatsCounter connects("tcp.connect"); | 148 static base::StatsCounter connects("tcp.connect"); |
| 149 connects.Increment(); | 149 connects.Increment(); |
| 150 | 150 |
| 151 DCHECK(!waiting_connect()); | 151 DCHECK(!waiting_connect()); |
| 152 | 152 |
| 153 net_log_.BeginEvent(NetLog::TYPE_TCP_CONNECT, | 153 net_log_.BeginEvent( |
| 154 new AddressListNetLogParam(addresses_)); | 154 NetLog::TYPE_TCP_CONNECT, |
| 155 make_scoped_refptr(new AddressListNetLogParam(addresses_))); |
| 155 | 156 |
| 156 // We will try to connect to each address in addresses_. Start with the | 157 // We will try to connect to each address in addresses_. Start with the |
| 157 // first one in the list. | 158 // first one in the list. |
| 158 next_connect_state_ = CONNECT_STATE_CONNECT; | 159 next_connect_state_ = CONNECT_STATE_CONNECT; |
| 159 current_ai_ = addresses_.head(); | 160 current_ai_ = addresses_.head(); |
| 160 | 161 |
| 161 int rv = DoConnectLoop(OK); | 162 int rv = DoConnectLoop(OK); |
| 162 if (rv == ERR_IO_PENDING) { | 163 if (rv == ERR_IO_PENDING) { |
| 163 // Synchronous operation not supported. | 164 // Synchronous operation not supported. |
| 164 DCHECK(callback); | 165 DCHECK(callback); |
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| 199 DCHECK(current_ai_); | 200 DCHECK(current_ai_); |
| 200 | 201 |
| 201 DCHECK_EQ(0, connect_os_error_); | 202 DCHECK_EQ(0, connect_os_error_); |
| 202 | 203 |
| 203 if (previously_disconnected_) { | 204 if (previously_disconnected_) { |
| 204 use_history_.Reset(); | 205 use_history_.Reset(); |
| 205 previously_disconnected_ = false; | 206 previously_disconnected_ = false; |
| 206 } | 207 } |
| 207 | 208 |
| 208 net_log_.BeginEvent(NetLog::TYPE_TCP_CONNECT_ATTEMPT, | 209 net_log_.BeginEvent(NetLog::TYPE_TCP_CONNECT_ATTEMPT, |
| 209 new NetLogStringParameter( | 210 make_scoped_refptr(new NetLogStringParameter( |
| 210 "address", NetAddressToStringWithPort(current_ai_))); | 211 "address", NetAddressToStringWithPort(current_ai_)))); |
| 211 | 212 |
| 212 next_connect_state_ = CONNECT_STATE_CONNECT_COMPLETE; | 213 next_connect_state_ = CONNECT_STATE_CONNECT_COMPLETE; |
| 213 | 214 |
| 214 // Create a non-blocking socket. | 215 // Create a non-blocking socket. |
| 215 connect_os_error_ = CreateSocket(current_ai_); | 216 connect_os_error_ = CreateSocket(current_ai_); |
| 216 if (connect_os_error_) | 217 if (connect_os_error_) |
| 217 return MapPosixError(connect_os_error_); | 218 return MapPosixError(connect_os_error_); |
| 218 | 219 |
| 219 // Connect the socket. | 220 // Connect the socket. |
| 220 if (!use_tcp_fastopen_) { | 221 if (!use_tcp_fastopen_) { |
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| 601 | 602 |
| 602 bool TCPClientSocketLibevent::WasEverUsed() const { | 603 bool TCPClientSocketLibevent::WasEverUsed() const { |
| 603 return use_history_.was_used_to_convey_data(); | 604 return use_history_.was_used_to_convey_data(); |
| 604 } | 605 } |
| 605 | 606 |
| 606 bool TCPClientSocketLibevent::UsingTCPFastOpen() const { | 607 bool TCPClientSocketLibevent::UsingTCPFastOpen() const { |
| 607 return use_tcp_fastopen_; | 608 return use_tcp_fastopen_; |
| 608 } | 609 } |
| 609 | 610 |
| 610 } // namespace net | 611 } // namespace net |
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