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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_BASE_UPLOAD_DATA_STREAM_H_ | 5 #ifndef NET_BASE_UPLOAD_DATA_STREAM_H_ |
| 6 #define NET_BASE_UPLOAD_DATA_STREAM_H_ | 6 #define NET_BASE_UPLOAD_DATA_STREAM_H_ |
| 7 | 7 |
| 8 #include "base/gtest_prod_util.h" | 8 #include "base/gtest_prod_util.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/memory/scoped_vector.h" | 10 #include "base/memory/scoped_vector.h" |
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| 112 int ReadInternal(scoped_refptr<DrainableIOBuffer> buf, | 112 int ReadInternal(scoped_refptr<DrainableIOBuffer> buf, |
| 113 const CompletionCallback& callback); | 113 const CompletionCallback& callback); |
| 114 | 114 |
| 115 // Resumes pending read and calls callback with the result when necessary. | 115 // Resumes pending read and calls callback with the result when necessary. |
| 116 void ResumePendingRead(scoped_refptr<DrainableIOBuffer> buf, | 116 void ResumePendingRead(scoped_refptr<DrainableIOBuffer> buf, |
| 117 const CompletionCallback& callback, | 117 const CompletionCallback& callback, |
| 118 int previous_result); | 118 int previous_result); |
| 119 | 119 |
| 120 // Processes result of UploadElementReader::Read(). If |result| indicates | 120 // Processes result of UploadElementReader::Read(). If |result| indicates |
| 121 // success, updates |buf|'s offset. Otherwise, sets |read_failed_| to true. | 121 // success, updates |buf|'s offset. Otherwise, sets |read_failed_| to true. |
| 122 void ProcessReadResult(scoped_refptr<DrainableIOBuffer> buf, | 122 void ProcessReadResult(scoped_refptr<DrainableIOBuffer> buf, int result); |
| 123 int result); | |
| 124 | 123 |
| 125 ScopedVector<UploadElementReader> element_readers_; | 124 ScopedVector<UploadElementReader> element_readers_; |
| 126 | 125 |
| 127 // Index of the current upload element (i.e. the element currently being | 126 // Index of the current upload element (i.e. the element currently being |
| 128 // read). The index is used as a cursor to iterate over elements in | 127 // read). The index is used as a cursor to iterate over elements in |
| 129 // |upload_data_|. | 128 // |upload_data_|. |
| 130 size_t element_index_; | 129 size_t element_index_; |
| 131 | 130 |
| 132 // Size and current read position within the upload data stream. | 131 // Size and current read position within the upload data stream. |
| 133 // |total_size_| is set to zero when the data is chunked. | 132 // |total_size_| is set to zero when the data is chunked. |
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| 149 base::Closure pending_chunked_read_callback_; | 148 base::Closure pending_chunked_read_callback_; |
| 150 | 149 |
| 151 base::WeakPtrFactory<UploadDataStream> weak_ptr_factory_; | 150 base::WeakPtrFactory<UploadDataStream> weak_ptr_factory_; |
| 152 | 151 |
| 153 DISALLOW_COPY_AND_ASSIGN(UploadDataStream); | 152 DISALLOW_COPY_AND_ASSIGN(UploadDataStream); |
| 154 }; | 153 }; |
| 155 | 154 |
| 156 } // namespace net | 155 } // namespace net |
| 157 | 156 |
| 158 #endif // NET_BASE_UPLOAD_DATA_STREAM_H_ | 157 #endif // NET_BASE_UPLOAD_DATA_STREAM_H_ |
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