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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "base/bind.h" | 5 #include "base/bind.h" |
| 6 #include "base/location.h" | 6 #include "base/location.h" |
| 7 #include "base/stl_util.h" | 7 #include "base/stl_util.h" |
| 8 #include "base/task_runner.h" | 8 #include "base/task_runner.h" |
| 9 #include "content/browser/indexed_db/indexed_db_active_blob_registry.h" | 9 #include "content/browser/indexed_db/indexed_db_active_blob_registry.h" |
| 10 #include "content/browser/indexed_db/indexed_db_backing_store.h" | 10 #include "content/browser/indexed_db/indexed_db_backing_store.h" |
| 11 #include "content/browser/indexed_db/indexed_db_factory.h" | 11 #include "content/browser/indexed_db/indexed_db_factory.h" |
| 12 #include "content/browser/indexed_db/indexed_db_leveldb_coding.h" | 12 #include "content/browser/indexed_db/indexed_db_leveldb_coding.h" |
| 13 | 13 |
| 14 namespace content { | 14 namespace content { |
| 15 | 15 |
| 16 IndexedDBActiveBlobRegistry::IndexedDBActiveBlobRegistry( | 16 IndexedDBActiveBlobRegistry::IndexedDBActiveBlobRegistry( |
| 17 IndexedDBBackingStore* backing_store) | 17 IndexedDBBackingStore* backing_store) |
| 18 : backing_store_(backing_store), weak_factory_(this) {} | 18 : backing_store_(backing_store), weak_factory_(this) {} |
| 19 | 19 |
| 20 IndexedDBActiveBlobRegistry::~IndexedDBActiveBlobRegistry() { | 20 IndexedDBActiveBlobRegistry::~IndexedDBActiveBlobRegistry() { |
| 21 } | 21 } |
| 22 | 22 |
| 23 void IndexedDBActiveBlobRegistry::AddBlobRef(int64_t database_id, | 23 void IndexedDBActiveBlobRegistry::AddBlobRef(int64_t database_id, |
| 24 int64_t blob_key) { | 24 int64_t blob_key) { |
| 25 DCHECK(backing_store_); | 25 DCHECK(backing_store_); |
| 26 DCHECK(backing_store_->task_runner()->RunsTasksOnCurrentThread()); | 26 DCHECK(backing_store_->task_runner()->RunsTasksInCurrentSequence()); |
| 27 DCHECK(KeyPrefix::IsValidDatabaseId(database_id)); | 27 DCHECK(KeyPrefix::IsValidDatabaseId(database_id)); |
| 28 DCHECK(DatabaseMetaDataKey::IsValidBlobKey(blob_key)); | 28 DCHECK(DatabaseMetaDataKey::IsValidBlobKey(blob_key)); |
| 29 DCHECK(!base::ContainsKey(deleted_dbs_, database_id)); | 29 DCHECK(!base::ContainsKey(deleted_dbs_, database_id)); |
| 30 bool need_ref = use_tracker_.empty(); | 30 bool need_ref = use_tracker_.empty(); |
| 31 SingleDBMap& single_db_map = use_tracker_[database_id]; | 31 SingleDBMap& single_db_map = use_tracker_[database_id]; |
| 32 SingleDBMap::iterator iter = single_db_map.find(blob_key); | 32 SingleDBMap::iterator iter = single_db_map.find(blob_key); |
| 33 if (iter == single_db_map.end()) { | 33 if (iter == single_db_map.end()) { |
| 34 single_db_map[blob_key] = false; | 34 single_db_map[blob_key] = false; |
| 35 if (need_ref) { | 35 if (need_ref) { |
| 36 backing_store_->factory()->ReportOutstandingBlobs( | 36 backing_store_->factory()->ReportOutstandingBlobs( |
| 37 backing_store_->origin(), true); | 37 backing_store_->origin(), true); |
| 38 } | 38 } |
| 39 } else { | 39 } else { |
| 40 DCHECK(!need_ref); | 40 DCHECK(!need_ref); |
| 41 DCHECK(!iter->second); // You can't add a reference once it's been deleted. | 41 DCHECK(!iter->second); // You can't add a reference once it's been deleted. |
| 42 } | 42 } |
| 43 } | 43 } |
| 44 | 44 |
| 45 void IndexedDBActiveBlobRegistry::ReleaseBlobRef(int64_t database_id, | 45 void IndexedDBActiveBlobRegistry::ReleaseBlobRef(int64_t database_id, |
| 46 int64_t blob_key) { | 46 int64_t blob_key) { |
| 47 DCHECK(backing_store_); | 47 DCHECK(backing_store_); |
| 48 DCHECK(backing_store_->task_runner()->RunsTasksOnCurrentThread()); | 48 DCHECK(backing_store_->task_runner()->RunsTasksInCurrentSequence()); |
| 49 DCHECK(KeyPrefix::IsValidDatabaseId(database_id)); | 49 DCHECK(KeyPrefix::IsValidDatabaseId(database_id)); |
| 50 DCHECK(DatabaseMetaDataKey::IsValidBlobKey(blob_key)); | 50 DCHECK(DatabaseMetaDataKey::IsValidBlobKey(blob_key)); |
| 51 const auto& db_pair = use_tracker_.find(database_id); | 51 const auto& db_pair = use_tracker_.find(database_id); |
| 52 if (db_pair == use_tracker_.end()) { | 52 if (db_pair == use_tracker_.end()) { |
| 53 NOTREACHED(); | 53 NOTREACHED(); |
| 54 return; | 54 return; |
| 55 } | 55 } |
| 56 SingleDBMap& single_db = db_pair->second; | 56 SingleDBMap& single_db = db_pair->second; |
| 57 SingleDBMap::iterator blob_pair = single_db.find(blob_key); | 57 SingleDBMap::iterator blob_pair = single_db.find(blob_key); |
| 58 if (blob_pair == single_db.end()) { | 58 if (blob_pair == single_db.end()) { |
| (...skipping 19 matching lines...) Expand all Loading... |
| 78 backing_store_->ReportBlobUnused(database_id, blob_key); | 78 backing_store_->ReportBlobUnused(database_id, blob_key); |
| 79 if (use_tracker_.empty()) { | 79 if (use_tracker_.empty()) { |
| 80 backing_store_->factory()->ReportOutstandingBlobs(backing_store_->origin(), | 80 backing_store_->factory()->ReportOutstandingBlobs(backing_store_->origin(), |
| 81 false); | 81 false); |
| 82 } | 82 } |
| 83 } | 83 } |
| 84 | 84 |
| 85 bool IndexedDBActiveBlobRegistry::MarkDeletedCheckIfUsed(int64_t database_id, | 85 bool IndexedDBActiveBlobRegistry::MarkDeletedCheckIfUsed(int64_t database_id, |
| 86 int64_t blob_key) { | 86 int64_t blob_key) { |
| 87 DCHECK(backing_store_); | 87 DCHECK(backing_store_); |
| 88 DCHECK(backing_store_->task_runner()->RunsTasksOnCurrentThread()); | 88 DCHECK(backing_store_->task_runner()->RunsTasksInCurrentSequence()); |
| 89 DCHECK(KeyPrefix::IsValidDatabaseId(database_id)); | 89 DCHECK(KeyPrefix::IsValidDatabaseId(database_id)); |
| 90 const auto& db_pair = use_tracker_.find(database_id); | 90 const auto& db_pair = use_tracker_.find(database_id); |
| 91 if (db_pair == use_tracker_.end()) | 91 if (db_pair == use_tracker_.end()) |
| 92 return false; | 92 return false; |
| 93 | 93 |
| 94 if (blob_key == DatabaseMetaDataKey::kAllBlobsKey) { | 94 if (blob_key == DatabaseMetaDataKey::kAllBlobsKey) { |
| 95 deleted_dbs_.insert(database_id); | 95 deleted_dbs_.insert(database_id); |
| 96 return true; | 96 return true; |
| 97 } | 97 } |
| 98 | 98 |
| (...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 138 blob_key); | 138 blob_key); |
| 139 } | 139 } |
| 140 | 140 |
| 141 void IndexedDBActiveBlobRegistry::ForceShutdown() { | 141 void IndexedDBActiveBlobRegistry::ForceShutdown() { |
| 142 weak_factory_.InvalidateWeakPtrs(); | 142 weak_factory_.InvalidateWeakPtrs(); |
| 143 use_tracker_.clear(); | 143 use_tracker_.clear(); |
| 144 backing_store_ = NULL; | 144 backing_store_ = NULL; |
| 145 } | 145 } |
| 146 | 146 |
| 147 } // namespace content | 147 } // namespace content |
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