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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 // This file declares HttpCache::Transaction, a private class of HttpCache so | 5 // This file declares HttpCache::Transaction, a private class of HttpCache so |
6 // it should only be included by http_cache.cc | 6 // it should only be included by http_cache.cc |
7 | 7 |
8 #ifndef NET_HTTP_HTTP_CACHE_TRANSACTION_H_ | 8 #ifndef NET_HTTP_HTTP_CACHE_TRANSACTION_H_ |
9 #define NET_HTTP_HTTP_CACHE_TRANSACTION_H_ | 9 #define NET_HTTP_HTTP_CACHE_TRANSACTION_H_ |
10 | 10 |
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157 void SetPriority(RequestPriority priority) override; | 157 void SetPriority(RequestPriority priority) override; |
158 void SetWebSocketHandshakeStreamCreateHelper( | 158 void SetWebSocketHandshakeStreamCreateHelper( |
159 WebSocketHandshakeStreamBase::CreateHelper* create_helper) override; | 159 WebSocketHandshakeStreamBase::CreateHelper* create_helper) override; |
160 void SetBeforeNetworkStartCallback( | 160 void SetBeforeNetworkStartCallback( |
161 const BeforeNetworkStartCallback& callback) override; | 161 const BeforeNetworkStartCallback& callback) override; |
162 void SetBeforeHeadersSentCallback( | 162 void SetBeforeHeadersSentCallback( |
163 const BeforeHeadersSentCallback& callback) override; | 163 const BeforeHeadersSentCallback& callback) override; |
164 int ResumeNetworkStart() override; | 164 int ResumeNetworkStart() override; |
165 void GetConnectionAttempts(ConnectionAttempts* out) const override; | 165 void GetConnectionAttempts(ConnectionAttempts* out) const override; |
166 | 166 |
| 167 // Invoked when parallel validation cannot proceed due to response failure |
| 168 // and this transaction needs to be restarted. |
| 169 void SetValidatingCannotProceed(); |
| 170 |
167 // Returns the estimate of dynamically allocated memory in bytes. | 171 // Returns the estimate of dynamically allocated memory in bytes. |
168 size_t EstimateMemoryUsage() const; | 172 size_t EstimateMemoryUsage() const; |
169 | 173 |
170 private: | 174 private: |
171 static const size_t kNumValidationHeaders = 2; | 175 static const size_t kNumValidationHeaders = 2; |
172 // Helper struct to pair a header name with its value, for | 176 // Helper struct to pair a header name with its value, for |
173 // headers used to validate cache entries. | 177 // headers used to validate cache entries. |
174 struct ValidationHeaders { | 178 struct ValidationHeaders { |
175 ValidationHeaders() : initialized(false) {} | 179 ValidationHeaders() : initialized(false) {} |
176 | 180 |
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213 STATE_OVERWRITE_CACHED_RESPONSE, | 217 STATE_OVERWRITE_CACHED_RESPONSE, |
214 STATE_CACHE_WRITE_RESPONSE, | 218 STATE_CACHE_WRITE_RESPONSE, |
215 STATE_CACHE_WRITE_RESPONSE_COMPLETE, | 219 STATE_CACHE_WRITE_RESPONSE_COMPLETE, |
216 STATE_TRUNCATE_CACHED_DATA, | 220 STATE_TRUNCATE_CACHED_DATA, |
217 STATE_TRUNCATE_CACHED_DATA_COMPLETE, | 221 STATE_TRUNCATE_CACHED_DATA_COMPLETE, |
218 STATE_TRUNCATE_CACHED_METADATA, | 222 STATE_TRUNCATE_CACHED_METADATA, |
219 STATE_TRUNCATE_CACHED_METADATA_COMPLETE, | 223 STATE_TRUNCATE_CACHED_METADATA_COMPLETE, |
220 STATE_PARTIAL_HEADERS_RECEIVED, | 224 STATE_PARTIAL_HEADERS_RECEIVED, |
221 STATE_CACHE_READ_METADATA, | 225 STATE_CACHE_READ_METADATA, |
222 STATE_CACHE_READ_METADATA_COMPLETE, | 226 STATE_CACHE_READ_METADATA_COMPLETE, |
| 227 STATE_HEADERS_PHASE_CANNOT_PROCEED, |
| 228 STATE_FINISH_HEADERS, |
| 229 STATE_FINISH_HEADERS_COMPLETE, |
223 | 230 |
224 // These states are entered from Read/AddTruncatedFlag. | 231 // These states are entered from Read/AddTruncatedFlag. |
225 STATE_NETWORK_READ, | 232 STATE_NETWORK_READ, |
226 STATE_NETWORK_READ_COMPLETE, | 233 STATE_NETWORK_READ_COMPLETE, |
227 STATE_CACHE_READ_DATA, | 234 STATE_CACHE_READ_DATA, |
228 STATE_CACHE_READ_DATA_COMPLETE, | 235 STATE_CACHE_READ_DATA_COMPLETE, |
229 STATE_CACHE_WRITE_DATA, | 236 STATE_CACHE_WRITE_DATA, |
230 STATE_CACHE_WRITE_DATA_COMPLETE, | 237 STATE_CACHE_WRITE_DATA_COMPLETE, |
231 STATE_CACHE_WRITE_TRUNCATED_RESPONSE, | 238 STATE_CACHE_WRITE_TRUNCATED_RESPONSE, |
232 STATE_CACHE_WRITE_TRUNCATED_RESPONSE_COMPLETE | 239 STATE_CACHE_WRITE_TRUNCATED_RESPONSE_COMPLETE |
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279 int DoCacheWriteUpdatedResponseComplete(int result); | 286 int DoCacheWriteUpdatedResponseComplete(int result); |
280 int DoUpdateCachedResponseComplete(int result); | 287 int DoUpdateCachedResponseComplete(int result); |
281 int DoOverwriteCachedResponse(); | 288 int DoOverwriteCachedResponse(); |
282 int DoCacheWriteResponse(); | 289 int DoCacheWriteResponse(); |
283 int DoCacheWriteResponseComplete(int result); | 290 int DoCacheWriteResponseComplete(int result); |
284 int DoTruncateCachedData(); | 291 int DoTruncateCachedData(); |
285 int DoTruncateCachedDataComplete(int result); | 292 int DoTruncateCachedDataComplete(int result); |
286 int DoTruncateCachedMetadata(); | 293 int DoTruncateCachedMetadata(); |
287 int DoTruncateCachedMetadataComplete(int result); | 294 int DoTruncateCachedMetadataComplete(int result); |
288 int DoPartialHeadersReceived(); | 295 int DoPartialHeadersReceived(); |
| 296 int DoHeadersPhaseCannotProceed(); |
| 297 int DoFinishHeaders(int result); |
| 298 int DoFinishHeadersComplete(int result); |
289 int DoCacheReadMetadata(); | 299 int DoCacheReadMetadata(); |
290 int DoCacheReadMetadataComplete(int result); | 300 int DoCacheReadMetadataComplete(int result); |
291 int DoNetworkRead(); | 301 int DoNetworkRead(); |
292 int DoNetworkReadComplete(int result); | 302 int DoNetworkReadComplete(int result); |
293 int DoCacheReadData(); | 303 int DoCacheReadData(); |
294 int DoCacheReadDataComplete(int result); | 304 int DoCacheReadDataComplete(int result); |
295 int DoCacheWriteData(int num_bytes); | 305 int DoCacheWriteData(int num_bytes); |
296 int DoCacheWriteDataComplete(int result); | 306 int DoCacheWriteDataComplete(int result); |
297 int DoCacheWriteTruncatedResponse(); | 307 int DoCacheWriteTruncatedResponse(); |
298 int DoCacheWriteTruncatedResponseComplete(int result); | 308 int DoCacheWriteTruncatedResponseComplete(int result); |
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450 base::WeakPtr<HttpCache> cache_; | 460 base::WeakPtr<HttpCache> cache_; |
451 HttpCache::ActiveEntry* entry_; | 461 HttpCache::ActiveEntry* entry_; |
452 HttpCache::ActiveEntry* new_entry_; | 462 HttpCache::ActiveEntry* new_entry_; |
453 std::unique_ptr<HttpTransaction> network_trans_; | 463 std::unique_ptr<HttpTransaction> network_trans_; |
454 CompletionCallback callback_; // Consumer's callback. | 464 CompletionCallback callback_; // Consumer's callback. |
455 HttpResponseInfo response_; | 465 HttpResponseInfo response_; |
456 HttpResponseInfo auth_response_; | 466 HttpResponseInfo auth_response_; |
457 const HttpResponseInfo* new_response_; | 467 const HttpResponseInfo* new_response_; |
458 std::string cache_key_; | 468 std::string cache_key_; |
459 Mode mode_; | 469 Mode mode_; |
| 470 Mode original_mode_; // Used when restarting the transaction. |
460 bool reading_; // We are already reading. Never reverts to false once set. | 471 bool reading_; // We are already reading. Never reverts to false once set. |
461 bool invalid_range_; // We may bypass the cache for this request. | 472 bool invalid_range_; // We may bypass the cache for this request. |
462 bool truncated_; // We don't have all the response data. | 473 bool truncated_; // We don't have all the response data. |
463 bool is_sparse_; // The data is stored in sparse byte ranges. | 474 bool is_sparse_; // The data is stored in sparse byte ranges. |
464 bool range_requested_; // The user requested a byte range. | 475 bool range_requested_; // The user requested a byte range. |
465 bool handling_206_; // We must deal with this 206 response. | 476 bool handling_206_; // We must deal with this 206 response. |
466 bool cache_pending_; // We are waiting for the HttpCache. | 477 bool cache_pending_; // We are waiting for the HttpCache. |
467 bool done_reading_; // All available data was read. | 478 bool done_reading_; // All available data was read. |
468 bool vary_mismatch_; // The request doesn't match the stored vary data. | 479 bool vary_mismatch_; // The request doesn't match the stored vary data. |
469 bool couldnt_conditionalize_request_; | 480 bool couldnt_conditionalize_request_; |
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516 bool in_do_loop_; | 527 bool in_do_loop_; |
517 | 528 |
518 base::WeakPtrFactory<Transaction> weak_factory_; | 529 base::WeakPtrFactory<Transaction> weak_factory_; |
519 | 530 |
520 DISALLOW_COPY_AND_ASSIGN(Transaction); | 531 DISALLOW_COPY_AND_ASSIGN(Transaction); |
521 }; | 532 }; |
522 | 533 |
523 } // namespace net | 534 } // namespace net |
524 | 535 |
525 #endif // NET_HTTP_HTTP_CACHE_TRANSACTION_H_ | 536 #endif // NET_HTTP_HTTP_CACHE_TRANSACTION_H_ |
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