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Side by Side Diff: extensions/browser/value_store/leveldb_value_store.h

Issue 1428843002: LeveldbValueStore: Deleting db when open fails due to corruption. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: EnsureDbIsOpen calling Restore when corrupted, also Recover -> Restore Created 5 years, 1 month ago
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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 #ifndef EXTENSIONS_BROWSER_VALUE_STORE_LEVELDB_VALUE_STORE_H_ 5 #ifndef EXTENSIONS_BROWSER_VALUE_STORE_LEVELDB_VALUE_STORE_H_
6 #define EXTENSIONS_BROWSER_VALUE_STORE_LEVELDB_VALUE_STORE_H_ 6 #define EXTENSIONS_BROWSER_VALUE_STORE_LEVELDB_VALUE_STORE_H_
7 7
8 #include <string> 8 #include <string>
9 #include <vector> 9 #include <vector>
10 10
(...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after
85 scoped_ptr<ValueStore::Error> WriteToDb(leveldb::WriteBatch* batch); 85 scoped_ptr<ValueStore::Error> WriteToDb(leveldb::WriteBatch* batch);
86 86
87 // Converts an error leveldb::Status to a ValueStore::Error. Returns a 87 // Converts an error leveldb::Status to a ValueStore::Error. Returns a
88 // scoped_ptr for convenience; the result will always be non-empty. 88 // scoped_ptr for convenience; the result will always be non-empty.
89 scoped_ptr<ValueStore::Error> ToValueStoreError( 89 scoped_ptr<ValueStore::Error> ToValueStoreError(
90 const leveldb::Status& status, 90 const leveldb::Status& status,
91 scoped_ptr<std::string> key); 91 scoped_ptr<std::string> key);
92 92
93 // Removes the on-disk database at |db_path_|. Any file system locks should 93 // Removes the on-disk database at |db_path_|. Any file system locks should
94 // be released before calling this method. 94 // be released before calling this method.
95 void DeleteDbFile(); 95 bool DeleteDbFile();
96 96
97 // Returns whether the database is empty. 97 // Returns whether the database is empty.
98 bool IsEmpty(); 98 bool IsEmpty();
99 99
100 // The location of the leveldb backend. 100 // The location of the leveldb backend.
101 const base::FilePath db_path_; 101 const base::FilePath db_path_;
102 102
103 // leveldb backend. 103 // leveldb backend.
104 scoped_ptr<leveldb::DB> db_; 104 scoped_ptr<leveldb::DB> db_;
105 base::HistogramBase* open_histogram_; 105 base::HistogramBase* open_histogram_;
106 base::HistogramBase* restore_histogram_;
106 107
107 DISALLOW_COPY_AND_ASSIGN(LeveldbValueStore); 108 DISALLOW_COPY_AND_ASSIGN(LeveldbValueStore);
108 }; 109 };
109 110
110 #endif // EXTENSIONS_BROWSER_VALUE_STORE_LEVELDB_VALUE_STORE_H_ 111 #endif // EXTENSIONS_BROWSER_VALUE_STORE_LEVELDB_VALUE_STORE_H_
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