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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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211 STATE_OVERWRITE_CACHED_RESPONSE, | 211 STATE_OVERWRITE_CACHED_RESPONSE, |
212 STATE_CACHE_WRITE_RESPONSE, | 212 STATE_CACHE_WRITE_RESPONSE, |
213 STATE_CACHE_WRITE_RESPONSE_COMPLETE, | 213 STATE_CACHE_WRITE_RESPONSE_COMPLETE, |
214 STATE_TRUNCATE_CACHED_DATA, | 214 STATE_TRUNCATE_CACHED_DATA, |
215 STATE_TRUNCATE_CACHED_DATA_COMPLETE, | 215 STATE_TRUNCATE_CACHED_DATA_COMPLETE, |
216 STATE_TRUNCATE_CACHED_METADATA, | 216 STATE_TRUNCATE_CACHED_METADATA, |
217 STATE_TRUNCATE_CACHED_METADATA_COMPLETE, | 217 STATE_TRUNCATE_CACHED_METADATA_COMPLETE, |
218 STATE_PARTIAL_HEADERS_RECEIVED, | 218 STATE_PARTIAL_HEADERS_RECEIVED, |
219 STATE_CACHE_READ_METADATA, | 219 STATE_CACHE_READ_METADATA, |
220 STATE_CACHE_READ_METADATA_COMPLETE, | 220 STATE_CACHE_READ_METADATA_COMPLETE, |
| 221 STATE_WAIT_BEFORE_READ, |
| 222 STATE_WAIT_BEFORE_READ_COMPLETE, |
221 | 223 |
222 // These states are entered from Read/AddTruncatedFlag. | 224 // These states are entered from Read/AddTruncatedFlag. |
223 STATE_NETWORK_READ, | 225 STATE_NETWORK_READ, |
224 STATE_NETWORK_READ_COMPLETE, | 226 STATE_NETWORK_READ_COMPLETE, |
225 STATE_CACHE_READ_DATA, | 227 STATE_CACHE_READ_DATA, |
226 STATE_CACHE_READ_DATA_COMPLETE, | 228 STATE_CACHE_READ_DATA_COMPLETE, |
227 STATE_CACHE_WRITE_DATA, | 229 STATE_CACHE_WRITE_DATA, |
228 STATE_CACHE_WRITE_DATA_COMPLETE, | 230 STATE_CACHE_WRITE_DATA_COMPLETE, |
229 STATE_CACHE_WRITE_TRUNCATED_RESPONSE, | 231 STATE_CACHE_WRITE_TRUNCATED_RESPONSE, |
230 STATE_CACHE_WRITE_TRUNCATED_RESPONSE_COMPLETE | 232 STATE_CACHE_WRITE_TRUNCATED_RESPONSE_COMPLETE |
231 }; | 233 }; |
232 | 234 |
233 // Used for categorizing validation triggers in histograms. | 235 // Used for categorizing validation triggers in histograms. |
234 // NOTE: This enumeration is used in histograms, so please do not add entries | 236 // NOTE: This enumeration is used in histograms, so please do not add entries |
235 // in the middle. | 237 // in the middle. |
236 enum ValidationCause { | 238 enum ValidationCause { |
237 VALIDATION_CAUSE_UNDEFINED, | 239 VALIDATION_CAUSE_UNDEFINED, |
238 VALIDATION_CAUSE_VARY_MISMATCH, | 240 VALIDATION_CAUSE_VARY_MISMATCH, |
239 VALIDATION_CAUSE_VALIDATE_FLAG, | 241 VALIDATION_CAUSE_VALIDATE_FLAG, |
240 VALIDATION_CAUSE_STALE, | 242 VALIDATION_CAUSE_STALE, |
241 VALIDATION_CAUSE_ZERO_FRESHNESS, | 243 VALIDATION_CAUSE_ZERO_FRESHNESS, |
242 VALIDATION_CAUSE_MAX | 244 VALIDATION_CAUSE_MAX |
243 }; | 245 }; |
244 | 246 |
245 // Runs the state transition loop. Resets and calls |callback_| on exit, | 247 // Runs the state transition loop. Resets and calls |callback_| on exit, |
246 // unless the return value is ERR_IO_PENDING. | 248 // unless the return value is ERR_IO_PENDING. |
247 int DoLoop(int result); | 249 int DoLoop(int result); |
| 250 int DoLoopImpl(int result); |
248 | 251 |
249 // Each of these methods corresponds to a State value. If there is an | 252 // Each of these methods corresponds to a State value. If there is an |
250 // argument, the value corresponds to the return of the previous state or | 253 // argument, the value corresponds to the return of the previous state or |
251 // corresponding callback. | 254 // corresponding callback. |
252 int DoGetBackend(); | 255 int DoGetBackend(); |
253 int DoGetBackendComplete(int result); | 256 int DoGetBackendComplete(int result); |
254 int DoInitEntry(); | 257 int DoInitEntry(); |
255 int DoOpenEntry(); | 258 int DoOpenEntry(); |
256 int DoOpenEntryComplete(int result); | 259 int DoOpenEntryComplete(int result); |
257 int DoDoomEntry(); | 260 int DoDoomEntry(); |
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277 int DoCacheWriteUpdatedResponseComplete(int result); | 280 int DoCacheWriteUpdatedResponseComplete(int result); |
278 int DoUpdateCachedResponseComplete(int result); | 281 int DoUpdateCachedResponseComplete(int result); |
279 int DoOverwriteCachedResponse(); | 282 int DoOverwriteCachedResponse(); |
280 int DoCacheWriteResponse(); | 283 int DoCacheWriteResponse(); |
281 int DoCacheWriteResponseComplete(int result); | 284 int DoCacheWriteResponseComplete(int result); |
282 int DoTruncateCachedData(); | 285 int DoTruncateCachedData(); |
283 int DoTruncateCachedDataComplete(int result); | 286 int DoTruncateCachedDataComplete(int result); |
284 int DoTruncateCachedMetadata(); | 287 int DoTruncateCachedMetadata(); |
285 int DoTruncateCachedMetadataComplete(int result); | 288 int DoTruncateCachedMetadataComplete(int result); |
286 int DoPartialHeadersReceived(); | 289 int DoPartialHeadersReceived(); |
| 290 int DoWaitBeforeRead(); |
| 291 int DoWaitBeforeReadComplete(int result); |
287 int DoCacheReadMetadata(); | 292 int DoCacheReadMetadata(); |
288 int DoCacheReadMetadataComplete(int result); | 293 int DoCacheReadMetadataComplete(int result); |
289 int DoNetworkRead(); | 294 int DoNetworkRead(); |
290 int DoNetworkReadComplete(int result); | 295 int DoNetworkReadComplete(int result); |
291 int DoCacheReadData(); | 296 int DoCacheReadData(); |
292 int DoCacheReadDataComplete(int result); | 297 int DoCacheReadDataComplete(int result); |
293 int DoCacheWriteData(int num_bytes); | 298 int DoCacheWriteData(int num_bytes); |
294 int DoCacheWriteDataComplete(int result); | 299 int DoCacheWriteDataComplete(int result); |
295 int DoCacheWriteTruncatedResponse(); | 300 int DoCacheWriteTruncatedResponse(); |
296 int DoCacheWriteTruncatedResponseComplete(int result); | 301 int DoCacheWriteTruncatedResponseComplete(int result); |
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507 BeforeHeadersSentCallback before_headers_sent_callback_; | 512 BeforeHeadersSentCallback before_headers_sent_callback_; |
508 | 513 |
509 base::WeakPtrFactory<Transaction> weak_factory_; | 514 base::WeakPtrFactory<Transaction> weak_factory_; |
510 | 515 |
511 DISALLOW_COPY_AND_ASSIGN(Transaction); | 516 DISALLOW_COPY_AND_ASSIGN(Transaction); |
512 }; | 517 }; |
513 | 518 |
514 } // namespace net | 519 } // namespace net |
515 | 520 |
516 #endif // NET_HTTP_HTTP_CACHE_TRANSACTION_H_ | 521 #endif // NET_HTTP_HTTP_CACHE_TRANSACTION_H_ |
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