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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_HTTP_HTTP_TRANSACTION_H_ | 5 #ifndef NET_HTTP_HTTP_TRANSACTION_H_ |
6 #define NET_HTTP_HTTP_TRANSACTION_H_ | 6 #define NET_HTTP_HTTP_TRANSACTION_H_ |
7 | 7 |
8 #include "net/base/completion_callback.h" | 8 #include "net/base/completion_callback.h" |
9 #include "net/base/load_states.h" | 9 #include "net/base/load_states.h" |
10 #include "net/base/net_export.h" | 10 #include "net/base/net_export.h" |
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104 // could not be read. | 104 // could not be read. |
105 // | 105 // |
106 // NOTE: The transaction is not responsible for deleting the callback object. | 106 // NOTE: The transaction is not responsible for deleting the callback object. |
107 // If the operation is not completed immediately, the transaction must acquire | 107 // If the operation is not completed immediately, the transaction must acquire |
108 // a reference to the provided buffer. | 108 // a reference to the provided buffer. |
109 // | 109 // |
110 virtual int Read(IOBuffer* buf, int buf_len, | 110 virtual int Read(IOBuffer* buf, int buf_len, |
111 const CompletionCallback& callback) = 0; | 111 const CompletionCallback& callback) = 0; |
112 | 112 |
113 // Stops further caching of this request by the HTTP cache, if there is any. | 113 // Stops further caching of this request by the HTTP cache, if there is any. |
| 114 // Should only be called when there are no pending operations. |
114 virtual void StopCaching() = 0; | 115 virtual void StopCaching() = 0; |
115 | 116 |
116 // Gets the full request headers sent to the server. This is guaranteed to | 117 // Gets the full request headers sent to the server. This is guaranteed to |
117 // work only if Start returns success and the underlying transaction supports | 118 // work only if Start returns success and the underlying transaction supports |
118 // it. (Right now, this is only network transactions, not cache ones.) | 119 // it. (Right now, this is only network transactions, not cache ones.) |
119 // | 120 // |
120 // Returns true and overwrites headers if it can get the request headers; | 121 // Returns true and overwrites headers if it can get the request headers; |
121 // otherwise, returns false and does not modify headers. | 122 // otherwise, returns false and does not modify headers. |
122 virtual bool GetFullRequestHeaders(HttpRequestHeaders* headers) const = 0; | 123 virtual bool GetFullRequestHeaders(HttpRequestHeaders* headers) const = 0; |
123 | 124 |
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175 | 176 |
176 // Resumes the transaction after being deferred. | 177 // Resumes the transaction after being deferred. |
177 virtual int ResumeNetworkStart() = 0; | 178 virtual int ResumeNetworkStart() = 0; |
178 | 179 |
179 virtual void GetConnectionAttempts(ConnectionAttempts* out) const = 0; | 180 virtual void GetConnectionAttempts(ConnectionAttempts* out) const = 0; |
180 }; | 181 }; |
181 | 182 |
182 } // namespace net | 183 } // namespace net |
183 | 184 |
184 #endif // NET_HTTP_HTTP_TRANSACTION_H_ | 185 #endif // NET_HTTP_HTTP_TRANSACTION_H_ |
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