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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef NET_SOCKET_TCP_CLIENT_SOCKET_H_ | 5 #ifndef NET_SOCKET_TCP_CLIENT_SOCKET_H_ |
| 6 #define NET_SOCKET_TCP_CLIENT_SOCKET_H_ | 6 #define NET_SOCKET_TCP_CLIENT_SOCKET_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <memory> |
| 11 |
| 10 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
| 11 #include "base/macros.h" | 13 #include "base/macros.h" |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "net/base/address_list.h" | 14 #include "net/base/address_list.h" |
| 14 #include "net/base/completion_callback.h" | 15 #include "net/base/completion_callback.h" |
| 15 #include "net/base/net_export.h" | 16 #include "net/base/net_export.h" |
| 16 #include "net/log/net_log.h" | 17 #include "net/log/net_log.h" |
| 17 #include "net/socket/connection_attempts.h" | 18 #include "net/socket/connection_attempts.h" |
| 18 #include "net/socket/stream_socket.h" | 19 #include "net/socket/stream_socket.h" |
| 19 #include "net/socket/tcp_socket.h" | 20 #include "net/socket/tcp_socket.h" |
| 20 | 21 |
| 21 namespace net { | 22 namespace net { |
| 22 | 23 |
| 23 class SocketPerformanceWatcher; | 24 class SocketPerformanceWatcher; |
| 24 | 25 |
| 25 // A client socket that uses TCP as the transport layer. | 26 // A client socket that uses TCP as the transport layer. |
| 26 class NET_EXPORT TCPClientSocket : public StreamSocket { | 27 class NET_EXPORT TCPClientSocket : public StreamSocket { |
| 27 public: | 28 public: |
| 28 // The IP address(es) and port number to connect to. The TCP socket will try | 29 // The IP address(es) and port number to connect to. The TCP socket will try |
| 29 // each IP address in the list until it succeeds in establishing a | 30 // each IP address in the list until it succeeds in establishing a |
| 30 // connection. | 31 // connection. |
| 31 TCPClientSocket( | 32 TCPClientSocket( |
| 32 const AddressList& addresses, | 33 const AddressList& addresses, |
| 33 scoped_ptr<SocketPerformanceWatcher> socket_performance_watcher, | 34 std::unique_ptr<SocketPerformanceWatcher> socket_performance_watcher, |
| 34 net::NetLog* net_log, | 35 net::NetLog* net_log, |
| 35 const net::NetLog::Source& source); | 36 const net::NetLog::Source& source); |
| 36 | 37 |
| 37 // Adopts the given, connected socket and then acts as if Connect() had been | 38 // Adopts the given, connected socket and then acts as if Connect() had been |
| 38 // called. This function is used by TCPServerSocket and for testing. | 39 // called. This function is used by TCPServerSocket and for testing. |
| 39 TCPClientSocket(scoped_ptr<TCPSocket> connected_socket, | 40 TCPClientSocket(std::unique_ptr<TCPSocket> connected_socket, |
| 40 const IPEndPoint& peer_address); | 41 const IPEndPoint& peer_address); |
| 41 | 42 |
| 42 ~TCPClientSocket() override; | 43 ~TCPClientSocket() override; |
| 43 | 44 |
| 44 // Binds the socket to a local IP address and port. | 45 // Binds the socket to a local IP address and port. |
| 45 int Bind(const IPEndPoint& address); | 46 int Bind(const IPEndPoint& address); |
| 46 | 47 |
| 47 // StreamSocket implementation. | 48 // StreamSocket implementation. |
| 48 int Connect(const CompletionCallback& callback) override; | 49 int Connect(const CompletionCallback& callback) override; |
| 49 void Disconnect() override; | 50 void Disconnect() override; |
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| 108 // disconnected. | 109 // disconnected. |
| 109 void EmitTCPMetricsHistogramsOnDisconnect(); | 110 void EmitTCPMetricsHistogramsOnDisconnect(); |
| 110 | 111 |
| 111 // Socket performance statistics (such as RTT) are reported to the | 112 // Socket performance statistics (such as RTT) are reported to the |
| 112 // |socket_performance_watcher_|. May be nullptr. | 113 // |socket_performance_watcher_|. May be nullptr. |
| 113 // |socket_performance_watcher_| is owned by |socket_|. If non-null, | 114 // |socket_performance_watcher_| is owned by |socket_|. If non-null, |
| 114 // |socket_performance_watcher_| is guaranteed to be destroyed when |socket_| | 115 // |socket_performance_watcher_| is guaranteed to be destroyed when |socket_| |
| 115 // is destroyed. | 116 // is destroyed. |
| 116 SocketPerformanceWatcher* socket_performance_watcher_; | 117 SocketPerformanceWatcher* socket_performance_watcher_; |
| 117 | 118 |
| 118 scoped_ptr<TCPSocket> socket_; | 119 std::unique_ptr<TCPSocket> socket_; |
| 119 | 120 |
| 120 // Local IP address and port we are bound to. Set to NULL if Bind() | 121 // Local IP address and port we are bound to. Set to NULL if Bind() |
| 121 // wasn't called (in that case OS chooses address/port). | 122 // wasn't called (in that case OS chooses address/port). |
| 122 scoped_ptr<IPEndPoint> bind_address_; | 123 std::unique_ptr<IPEndPoint> bind_address_; |
| 123 | 124 |
| 124 // The list of addresses we should try in order to establish a connection. | 125 // The list of addresses we should try in order to establish a connection. |
| 125 AddressList addresses_; | 126 AddressList addresses_; |
| 126 | 127 |
| 127 // Where we are in above list. Set to -1 if uninitialized. | 128 // Where we are in above list. Set to -1 if uninitialized. |
| 128 int current_address_index_; | 129 int current_address_index_; |
| 129 | 130 |
| 130 // External callback; called when connect is complete. | 131 // External callback; called when connect is complete. |
| 131 CompletionCallback connect_callback_; | 132 CompletionCallback connect_callback_; |
| 132 | 133 |
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| 145 | 146 |
| 146 // Total number of bytes received by the socket. | 147 // Total number of bytes received by the socket. |
| 147 int64_t total_received_bytes_; | 148 int64_t total_received_bytes_; |
| 148 | 149 |
| 149 DISALLOW_COPY_AND_ASSIGN(TCPClientSocket); | 150 DISALLOW_COPY_AND_ASSIGN(TCPClientSocket); |
| 150 }; | 151 }; |
| 151 | 152 |
| 152 } // namespace net | 153 } // namespace net |
| 153 | 154 |
| 154 #endif // NET_SOCKET_TCP_CLIENT_SOCKET_H_ | 155 #endif // NET_SOCKET_TCP_CLIENT_SOCKET_H_ |
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