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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 written to this socket. | |
83 virtual int NumBytesRead() const = 0; | |
wtc
2011/06/06 17:24:05
The comment says "written" but the function name s
Gagan
2011/06/06 20:27:10
Done.
| |
84 | |
85 // Returns the RTT of this socket. | |
86 virtual double GetRTTInMs() 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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124 // Logs a SOCKET_BYTES_RECEIVED or SOCKET_BYTES_SENT event to the NetLog. | 130 // Logs a SOCKET_BYTES_RECEIVED or SOCKET_BYTES_SENT event to the NetLog. |
125 // Determines whether to log the received bytes or not, based on the current | 131 // Determines whether to log the received bytes or not, based on the current |
126 // logging level. | 132 // logging level. |
127 void LogByteTransfer(const BoundNetLog& net_log, NetLog::EventType event_type, | 133 void LogByteTransfer(const BoundNetLog& net_log, NetLog::EventType event_type, |
128 int byte_count, char* bytes) const; | 134 int byte_count, char* bytes) const; |
129 }; | 135 }; |
130 | 136 |
131 } // namespace net | 137 } // namespace net |
132 | 138 |
133 #endif // NET_SOCKET_STREAM_SOCKET_H_ | 139 #endif // NET_SOCKET_STREAM_SOCKET_H_ |
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