OLD | NEW |
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 #ifndef WEBKIT_FILEAPI_FILE_SYSTEM_DIRECTORY_DATABASE_H_ | 5 #ifndef WEBKIT_FILEAPI_FILE_SYSTEM_DIRECTORY_DATABASE_H_ |
6 #define WEBKIT_FILEAPI_FILE_SYSTEM_DIRECTORY_DATABASE_H_ | 6 #define WEBKIT_FILEAPI_FILE_SYSTEM_DIRECTORY_DATABASE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
(...skipping 29 matching lines...) Expand all Loading... |
40 | 40 |
41 struct WEBKIT_STORAGE_EXPORT_PRIVATE FileInfo { | 41 struct WEBKIT_STORAGE_EXPORT_PRIVATE FileInfo { |
42 FileInfo(); | 42 FileInfo(); |
43 ~FileInfo(); | 43 ~FileInfo(); |
44 | 44 |
45 bool is_directory() const { | 45 bool is_directory() const { |
46 return data_path.empty(); | 46 return data_path.empty(); |
47 } | 47 } |
48 | 48 |
49 FileId parent_id; | 49 FileId parent_id; |
50 FilePath data_path; | 50 base::FilePath data_path; |
51 FilePath::StringType name; | 51 base::FilePath::StringType name; |
52 // This modification time is valid only for directories, not files, as | 52 // This modification time is valid only for directories, not files, as |
53 // FileWriter will get the files out of sync. | 53 // FileWriter will get the files out of sync. |
54 // For files, look at the modification time of the underlying data_path. | 54 // For files, look at the modification time of the underlying data_path. |
55 base::Time modification_time; | 55 base::Time modification_time; |
56 }; | 56 }; |
57 | 57 |
58 explicit FileSystemDirectoryDatabase( | 58 explicit FileSystemDirectoryDatabase( |
59 const FilePath& filesystem_data_directory); | 59 const base::FilePath& filesystem_data_directory); |
60 ~FileSystemDirectoryDatabase(); | 60 ~FileSystemDirectoryDatabase(); |
61 | 61 |
62 bool GetChildWithName( | 62 bool GetChildWithName( |
63 FileId parent_id, const FilePath::StringType& name, FileId* child_id); | 63 FileId parent_id, const base::FilePath::StringType& name, FileId* child_id
); |
64 bool GetFileWithPath(const FilePath& path, FileId* file_id); | 64 bool GetFileWithPath(const base::FilePath& path, FileId* file_id); |
65 // ListChildren will succeed, returning 0 children, if parent_id doesn't | 65 // ListChildren will succeed, returning 0 children, if parent_id doesn't |
66 // exist. | 66 // exist. |
67 bool ListChildren(FileId parent_id, std::vector<FileId>* children); | 67 bool ListChildren(FileId parent_id, std::vector<FileId>* children); |
68 bool GetFileInfo(FileId file_id, FileInfo* info); | 68 bool GetFileInfo(FileId file_id, FileInfo* info); |
69 bool AddFileInfo(const FileInfo& info, FileId* file_id); | 69 bool AddFileInfo(const FileInfo& info, FileId* file_id); |
70 bool RemoveFileInfo(FileId file_id); | 70 bool RemoveFileInfo(FileId file_id); |
71 // This does a full update of the FileInfo, and is what you'd use for moves | 71 // This does a full update of the FileInfo, and is what you'd use for moves |
72 // and renames. If you just want to update the modification_time, use | 72 // and renames. If you just want to update the modification_time, use |
73 // UpdateModificationTime. | 73 // UpdateModificationTime. |
74 bool UpdateFileInfo(FileId file_id, const FileInfo& info); | 74 bool UpdateFileInfo(FileId file_id, const FileInfo& info); |
75 bool UpdateModificationTime( | 75 bool UpdateModificationTime( |
76 FileId file_id, const base::Time& modification_time); | 76 FileId file_id, const base::Time& modification_time); |
77 // This is used for an overwriting move of a file [not a directory] on top of | 77 // This is used for an overwriting move of a file [not a directory] on top of |
78 // another file [also not a directory]; we need to alter two files' info in a | 78 // another file [also not a directory]; we need to alter two files' info in a |
79 // single transaction to avoid weird backing file references in the event of a | 79 // single transaction to avoid weird backing file references in the event of a |
80 // partial failure. | 80 // partial failure. |
81 bool OverwritingMoveFile(FileId src_file_id, FileId dest_file_id); | 81 bool OverwritingMoveFile(FileId src_file_id, FileId dest_file_id); |
82 | 82 |
83 // This produces the series 0, 1, 2..., starting at 0 when the underlying | 83 // This produces the series 0, 1, 2..., starting at 0 when the underlying |
84 // filesystem is first created, and maintaining state across | 84 // filesystem is first created, and maintaining state across |
85 // creation/destruction of FileSystemDirectoryDatabase objects. | 85 // creation/destruction of FileSystemDirectoryDatabase objects. |
86 bool GetNextInteger(int64* next); | 86 bool GetNextInteger(int64* next); |
87 | 87 |
88 // Returns true if the database looks consistent with local filesystem. | 88 // Returns true if the database looks consistent with local filesystem. |
89 bool IsFileSystemConsistent(); | 89 bool IsFileSystemConsistent(); |
90 | 90 |
91 static bool DestroyDatabase(const FilePath& path); | 91 static bool DestroyDatabase(const base::FilePath& path); |
92 | 92 |
93 private: | 93 private: |
94 enum RecoveryOption { | 94 enum RecoveryOption { |
95 DELETE_ON_CORRUPTION, | 95 DELETE_ON_CORRUPTION, |
96 REPAIR_ON_CORRUPTION, | 96 REPAIR_ON_CORRUPTION, |
97 FAIL_ON_CORRUPTION, | 97 FAIL_ON_CORRUPTION, |
98 }; | 98 }; |
99 | 99 |
100 friend class FileSystemDirectoryDatabaseTest; | 100 friend class FileSystemDirectoryDatabaseTest; |
101 | 101 |
102 bool Init(RecoveryOption recovery_option); | 102 bool Init(RecoveryOption recovery_option); |
103 bool RepairDatabase(const std::string& db_path); | 103 bool RepairDatabase(const std::string& db_path); |
104 void ReportInitStatus(const leveldb::Status& status); | 104 void ReportInitStatus(const leveldb::Status& status); |
105 bool StoreDefaultValues(); | 105 bool StoreDefaultValues(); |
106 bool GetLastFileId(FileId* file_id); | 106 bool GetLastFileId(FileId* file_id); |
107 bool VerifyIsDirectory(FileId file_id); | 107 bool VerifyIsDirectory(FileId file_id); |
108 bool AddFileInfoHelper( | 108 bool AddFileInfoHelper( |
109 const FileInfo& info, FileId file_id, leveldb::WriteBatch* batch); | 109 const FileInfo& info, FileId file_id, leveldb::WriteBatch* batch); |
110 bool RemoveFileInfoHelper(FileId file_id, leveldb::WriteBatch* batch); | 110 bool RemoveFileInfoHelper(FileId file_id, leveldb::WriteBatch* batch); |
111 void HandleError(const tracked_objects::Location& from_here, | 111 void HandleError(const tracked_objects::Location& from_here, |
112 const leveldb::Status& status); | 112 const leveldb::Status& status); |
113 | 113 |
114 const FilePath filesystem_data_directory_; | 114 const base::FilePath filesystem_data_directory_; |
115 scoped_ptr<leveldb::DB> db_; | 115 scoped_ptr<leveldb::DB> db_; |
116 base::Time last_reported_time_; | 116 base::Time last_reported_time_; |
117 DISALLOW_COPY_AND_ASSIGN(FileSystemDirectoryDatabase); | 117 DISALLOW_COPY_AND_ASSIGN(FileSystemDirectoryDatabase); |
118 }; | 118 }; |
119 | 119 |
120 } // namespace fileapi | 120 } // namespace fileapi |
121 | 121 |
122 #endif // WEBKIT_FILEAPI_FILE_SYSTEM_DIRECTORY_DATABASE_H_ | 122 #endif // WEBKIT_FILEAPI_FILE_SYSTEM_DIRECTORY_DATABASE_H_ |
OLD | NEW |