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Side by Side Diff: net/socket/stream_socket.h

Issue 7189055: Deciding best connection to schedule requests on based on cwnd and idle time (Closed) Base URL: http://src.chromium.org/svn/trunk/src/
Patch Set: syncing to head Created 9 years, 6 months ago
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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_STREAM_SOCKET_H_ 5 #ifndef NET_SOCKET_STREAM_SOCKET_H_
6 #define NET_SOCKET_STREAM_SOCKET_H_ 6 #define NET_SOCKET_STREAM_SOCKET_H_
7 #pragma once 7 #pragma once
8 8
9 #include "net/base/net_log.h" 9 #include "net/base/net_log.h"
10 #include "net/socket/socket.h" 10 #include "net/socket/socket.h"
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72 72
73 // Returns true if the underlying transport socket ever had any reads or 73 // Returns true if the underlying transport socket ever had any reads or
74 // writes. StreamSockets layered on top of transport sockets should forward 74 // writes. StreamSockets layered on top of transport sockets should forward
75 // this call to the transport socket. 75 // this call to the transport socket.
76 virtual bool WasEverUsed() const = 0; 76 virtual bool WasEverUsed() const = 0;
77 77
78 // Returns true if the underlying transport socket is using TCP FastOpen. 78 // Returns true if the underlying transport socket is using TCP FastOpen.
79 // TCP FastOpen is an experiment with sending data in the TCP SYN packet. 79 // TCP FastOpen is an experiment with sending data in the TCP SYN packet.
80 virtual bool UsingTCPFastOpen() const = 0; 80 virtual bool UsingTCPFastOpen() const = 0;
81 81
82 // Returns the number of bytes successfully read from this socket.
83 virtual int64 NumBytesRead() const = 0;
84
85 // Returns the connection setup time of this socket.
86 virtual int GetConnectTimeMicros() const = 0;
87
82 protected: 88 protected:
83 // The following class is only used to gather statistics about the history of 89 // The following class is only used to gather statistics about the history of
84 // a socket. It is only instantiated and used in basic sockets, such as 90 // a socket. It is only instantiated and used in basic sockets, such as
85 // TCPClientSocket* instances. Other classes that are derived from 91 // TCPClientSocket* instances. Other classes that are derived from
86 // StreamSocket should forward any potential settings to their underlying 92 // StreamSocket should forward any potential settings to their underlying
87 // transport sockets. 93 // transport sockets.
88 class UseHistory { 94 class UseHistory {
89 public: 95 public:
90 UseHistory(); 96 UseHistory();
91 ~UseHistory(); 97 ~UseHistory();
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118 // identify the motivation. 124 // identify the motivation.
119 bool omnibox_speculation_; 125 bool omnibox_speculation_;
120 bool subresource_speculation_; 126 bool subresource_speculation_;
121 DISALLOW_COPY_AND_ASSIGN(UseHistory); 127 DISALLOW_COPY_AND_ASSIGN(UseHistory);
122 }; 128 };
123 }; 129 };
124 130
125 } // namespace net 131 } // namespace net
126 132
127 #endif // NET_SOCKET_STREAM_SOCKET_H_ 133 #endif // NET_SOCKET_STREAM_SOCKET_H_
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