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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 #include "net/http/http_cache.h" | 5 #include "net/http/http_cache.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 | 10 |
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438 if (!backend_factory_.get()) | 438 if (!backend_factory_.get()) |
439 return ERR_FAILED; | 439 return ERR_FAILED; |
440 | 440 |
441 building_backend_ = true; | 441 building_backend_ = true; |
442 | 442 |
443 scoped_ptr<WorkItem> item(new WorkItem(WI_CREATE_BACKEND, NULL, callback, | 443 scoped_ptr<WorkItem> item(new WorkItem(WI_CREATE_BACKEND, NULL, callback, |
444 backend)); | 444 backend)); |
445 | 445 |
446 // This is the only operation that we can do that is not related to any given | 446 // This is the only operation that we can do that is not related to any given |
447 // entry, so we use an empty key for it. | 447 // entry, so we use an empty key for it. |
448 PendingOp* pending_op = GetPendingOp(""); | 448 PendingOp* pending_op = GetPendingOp(std::string()); |
449 if (pending_op->writer) { | 449 if (pending_op->writer) { |
450 if (!callback.is_null()) | 450 if (!callback.is_null()) |
451 pending_op->pending_queue.push_back(item.release()); | 451 pending_op->pending_queue.push_back(item.release()); |
452 return ERR_IO_PENDING; | 452 return ERR_IO_PENDING; |
453 } | 453 } |
454 | 454 |
455 DCHECK(pending_op->pending_queue.empty()); | 455 DCHECK(pending_op->pending_queue.empty()); |
456 | 456 |
457 pending_op->writer = item.release(); | 457 pending_op->writer = item.release(); |
458 pending_op->callback = base::Bind(&HttpCache::OnPendingOpComplete, | 458 pending_op->callback = base::Bind(&HttpCache::OnPendingOpComplete, |
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470 | 470 |
471 int HttpCache::GetBackendForTransaction(Transaction* trans) { | 471 int HttpCache::GetBackendForTransaction(Transaction* trans) { |
472 if (disk_cache_.get()) | 472 if (disk_cache_.get()) |
473 return OK; | 473 return OK; |
474 | 474 |
475 if (!building_backend_) | 475 if (!building_backend_) |
476 return ERR_FAILED; | 476 return ERR_FAILED; |
477 | 477 |
478 WorkItem* item = new WorkItem( | 478 WorkItem* item = new WorkItem( |
479 WI_CREATE_BACKEND, trans, net::CompletionCallback(), NULL); | 479 WI_CREATE_BACKEND, trans, net::CompletionCallback(), NULL); |
480 PendingOp* pending_op = GetPendingOp(""); | 480 PendingOp* pending_op = GetPendingOp(std::string()); |
481 DCHECK(pending_op->writer); | 481 DCHECK(pending_op->writer); |
482 pending_op->pending_queue.push_back(item); | 482 pending_op->pending_queue.push_back(item); |
483 return ERR_IO_PENDING; | 483 return ERR_IO_PENDING; |
484 } | 484 } |
485 | 485 |
486 // Generate a key that can be used inside the cache. | 486 // Generate a key that can be used inside the cache. |
487 std::string HttpCache::GenerateCacheKey(const HttpRequestInfo* request) { | 487 std::string HttpCache::GenerateCacheKey(const HttpRequestInfo* request) { |
488 // Strip out the reference, username, and password sections of the URL. | 488 // Strip out the reference, username, and password sections of the URL. |
489 std::string url = HttpUtil::SpecForRequest(request->url); | 489 std::string url = HttpUtil::SpecForRequest(request->url); |
490 | 490 |
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889 void HttpCache::RemovePendingTransaction(Transaction* trans) { | 889 void HttpCache::RemovePendingTransaction(Transaction* trans) { |
890 ActiveEntriesMap::const_iterator i = active_entries_.find(trans->key()); | 890 ActiveEntriesMap::const_iterator i = active_entries_.find(trans->key()); |
891 bool found = false; | 891 bool found = false; |
892 if (i != active_entries_.end()) | 892 if (i != active_entries_.end()) |
893 found = RemovePendingTransactionFromEntry(i->second, trans); | 893 found = RemovePendingTransactionFromEntry(i->second, trans); |
894 | 894 |
895 if (found) | 895 if (found) |
896 return; | 896 return; |
897 | 897 |
898 if (building_backend_) { | 898 if (building_backend_) { |
899 PendingOpsMap::const_iterator j = pending_ops_.find(""); | 899 PendingOpsMap::const_iterator j = pending_ops_.find(std::string()); |
900 if (j != pending_ops_.end()) | 900 if (j != pending_ops_.end()) |
901 found = RemovePendingTransactionFromPendingOp(j->second, trans); | 901 found = RemovePendingTransactionFromPendingOp(j->second, trans); |
902 | 902 |
903 if (found) | 903 if (found) |
904 return; | 904 return; |
905 } | 905 } |
906 | 906 |
907 PendingOpsMap::const_iterator j = pending_ops_.find(trans->key()); | 907 PendingOpsMap::const_iterator j = pending_ops_.find(trans->key()); |
908 if (j != pending_ops_.end()) | 908 if (j != pending_ops_.end()) |
909 found = RemovePendingTransactionFromPendingOp(j->second, trans); | 909 found = RemovePendingTransactionFromPendingOp(j->second, trans); |
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1127 building_backend_ = false; | 1127 building_backend_ = false; |
1128 DeletePendingOp(pending_op); | 1128 DeletePendingOp(pending_op); |
1129 } | 1129 } |
1130 | 1130 |
1131 // The cache may be gone when we return from the callback. | 1131 // The cache may be gone when we return from the callback. |
1132 if (!item->DoCallback(result, backend)) | 1132 if (!item->DoCallback(result, backend)) |
1133 item->NotifyTransaction(result, NULL); | 1133 item->NotifyTransaction(result, NULL); |
1134 } | 1134 } |
1135 | 1135 |
1136 } // namespace net | 1136 } // namespace net |
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