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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "webkit/fileapi/file_system_origin_database.h" | 5 #include "webkit/fileapi/file_system_origin_database.h" |
6 | 6 |
7 #include "base/format_macros.h" | 7 #include "base/format_macros.h" |
8 #include "base/location.h" | 8 #include "base/location.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/string_number_conversions.h" | 10 #include "base/string_number_conversions.h" |
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47 #if defined(OS_POSIX) | 47 #if defined(OS_POSIX) |
48 path_ = path.value(); | 48 path_ = path.value(); |
49 #elif defined(OS_WIN) | 49 #elif defined(OS_WIN) |
50 path_ = base::SysWideToUTF8(path.value()); | 50 path_ = base::SysWideToUTF8(path.value()); |
51 #endif | 51 #endif |
52 } | 52 } |
53 | 53 |
54 FileSystemOriginDatabase::~FileSystemOriginDatabase() { | 54 FileSystemOriginDatabase::~FileSystemOriginDatabase() { |
55 } | 55 } |
56 | 56 |
57 bool FileSystemOriginDatabase::Init() { | 57 bool FileSystemOriginDatabase::Init(bool cleanup_if_corrupted) { |
58 if (db_.get()) | 58 if (db_.get()) |
59 return true; | 59 return true; |
60 | 60 |
61 leveldb::Options options; | 61 leveldb::Options options; |
62 options.create_if_missing = true; | 62 options.create_if_missing = true; |
63 leveldb::DB* db; | 63 leveldb::DB* db; |
64 leveldb::Status status = leveldb::DB::Open(options, path_, &db); | 64 leveldb::Status status = leveldb::DB::Open(options, path_, &db); |
| 65 // TODO(tzik): Collect status metrics here. |
65 if (status.ok()) { | 66 if (status.ok()) { |
66 db_.reset(db); | 67 db_.reset(db); |
67 return true; | 68 return true; |
68 } | 69 } |
69 HandleError(FROM_HERE, status); | 70 HandleError(FROM_HERE, status); |
| 71 |
| 72 if (cleanup_if_corrupted && CheckIfDatabaseCorrupted(status)) { |
| 73 LOG(WARNING) << "FileSystem API origin database is corrupted." |
| 74 << " Attempting cleanup."; |
| 75 if (leveldb::DestroyDB(path_, leveldb::Options()).ok()) { |
| 76 LOG(WARNING) << "FileSystem API origin database cleanup completed." |
| 77 << " Reopening."; |
| 78 return Init(false); |
| 79 } |
| 80 LOG(WARNING) << "Failed to cleanup FileSystem API origin database."; |
| 81 } |
| 82 |
70 return false; | 83 return false; |
71 } | 84 } |
72 | 85 |
| 86 bool FileSystemOriginDatabase::CheckIfDatabaseCorrupted( |
| 87 const leveldb::Status& status) const { |
| 88 // TODO(tzik): Return status.code() == leveldb::Status::kCorruption, after |
| 89 // leveldb roll. |
| 90 return !status.ok(); |
| 91 } |
| 92 |
73 void FileSystemOriginDatabase::HandleError( | 93 void FileSystemOriginDatabase::HandleError( |
74 const tracked_objects::Location& from_here, leveldb::Status status) { | 94 const tracked_objects::Location& from_here, leveldb::Status status) { |
75 db_.reset(); | 95 db_.reset(); |
76 LOG(ERROR) << "FileSystemOriginDatabase failed at: " | 96 LOG(ERROR) << "FileSystemOriginDatabase failed at: " |
77 << from_here.ToString() << " with error: " << status.ToString(); | 97 << from_here.ToString() << " with error: " << status.ToString(); |
78 } | 98 } |
79 | 99 |
80 bool FileSystemOriginDatabase::HasOriginPath(const std::string& origin) { | 100 bool FileSystemOriginDatabase::HasOriginPath(const std::string& origin) { |
81 if (!Init()) | 101 if (!Init(true)) |
82 return false; | 102 return false; |
83 if (origin.empty()) | 103 if (origin.empty()) |
84 return false; | 104 return false; |
85 std::string path; | 105 std::string path; |
86 leveldb::Status status = | 106 leveldb::Status status = |
87 db_->Get(leveldb::ReadOptions(), OriginToOriginKey(origin), &path); | 107 db_->Get(leveldb::ReadOptions(), OriginToOriginKey(origin), &path); |
88 if (status.ok()) | 108 if (status.ok()) |
89 return true; | 109 return true; |
90 if (status.IsNotFound()) | 110 if (status.IsNotFound()) |
91 return false; | 111 return false; |
92 HandleError(FROM_HERE, status); | 112 HandleError(FROM_HERE, status); |
93 return false; | 113 return false; |
94 } | 114 } |
95 | 115 |
96 bool FileSystemOriginDatabase::GetPathForOrigin( | 116 bool FileSystemOriginDatabase::GetPathForOrigin( |
97 const std::string& origin, FilePath* directory) { | 117 const std::string& origin, FilePath* directory) { |
98 if (!Init()) | 118 if (!Init(true)) |
99 return false; | 119 return false; |
100 DCHECK(directory); | 120 DCHECK(directory); |
101 if (origin.empty()) | 121 if (origin.empty()) |
102 return false; | 122 return false; |
103 std::string path_string; | 123 std::string path_string; |
104 std::string origin_key = OriginToOriginKey(origin); | 124 std::string origin_key = OriginToOriginKey(origin); |
105 leveldb::Status status = | 125 leveldb::Status status = |
106 db_->Get(leveldb::ReadOptions(), origin_key, &path_string); | 126 db_->Get(leveldb::ReadOptions(), origin_key, &path_string); |
107 if (status.IsNotFound()) { | 127 if (status.IsNotFound()) { |
108 int last_path_number; | 128 int last_path_number; |
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125 #elif defined(OS_WIN) | 145 #elif defined(OS_WIN) |
126 *directory = FilePath(base::SysUTF8ToWide(path_string)); | 146 *directory = FilePath(base::SysUTF8ToWide(path_string)); |
127 #endif | 147 #endif |
128 return true; | 148 return true; |
129 } | 149 } |
130 HandleError(FROM_HERE, status); | 150 HandleError(FROM_HERE, status); |
131 return false; | 151 return false; |
132 } | 152 } |
133 | 153 |
134 bool FileSystemOriginDatabase::RemovePathForOrigin(const std::string& origin) { | 154 bool FileSystemOriginDatabase::RemovePathForOrigin(const std::string& origin) { |
135 if (!Init()) | 155 if (!Init(true)) |
136 return false; | 156 return false; |
137 leveldb::Status status = | 157 leveldb::Status status = |
138 db_->Delete(leveldb::WriteOptions(), OriginToOriginKey(origin)); | 158 db_->Delete(leveldb::WriteOptions(), OriginToOriginKey(origin)); |
139 if (status.ok() || status.IsNotFound()) | 159 if (status.ok() || status.IsNotFound()) |
140 return true; | 160 return true; |
141 HandleError(FROM_HERE, status); | 161 HandleError(FROM_HERE, status); |
142 return false; | 162 return false; |
143 } | 163 } |
144 | 164 |
145 bool FileSystemOriginDatabase::ListAllOrigins( | 165 bool FileSystemOriginDatabase::ListAllOrigins( |
146 std::vector<OriginRecord>* origins) { | 166 std::vector<OriginRecord>* origins) { |
147 if (!Init()) | 167 if (!Init(true)) |
148 return false; | 168 return false; |
149 DCHECK(origins); | 169 DCHECK(origins); |
150 scoped_ptr<leveldb::Iterator> iter(db_->NewIterator(leveldb::ReadOptions())); | 170 scoped_ptr<leveldb::Iterator> iter(db_->NewIterator(leveldb::ReadOptions())); |
151 std::string origin_key_prefix = OriginToOriginKey(""); | 171 std::string origin_key_prefix = OriginToOriginKey(""); |
152 iter->Seek(origin_key_prefix); | 172 iter->Seek(origin_key_prefix); |
153 origins->clear(); | 173 origins->clear(); |
154 while(iter->Valid() && | 174 while(iter->Valid() && |
155 StartsWithASCII(iter->key().ToString(), origin_key_prefix, true)) { | 175 StartsWithASCII(iter->key().ToString(), origin_key_prefix, true)) { |
156 std::string origin = | 176 std::string origin = |
157 iter->key().ToString().substr(origin_key_prefix.length()); | 177 iter->key().ToString().substr(origin_key_prefix.length()); |
158 #if defined(OS_POSIX) | 178 #if defined(OS_POSIX) |
159 FilePath path = FilePath(iter->value().ToString()); | 179 FilePath path = FilePath(iter->value().ToString()); |
160 #elif defined(OS_WIN) | 180 #elif defined(OS_WIN) |
161 FilePath path = FilePath(base::SysUTF8ToWide(iter->value().ToString())); | 181 FilePath path = FilePath(base::SysUTF8ToWide(iter->value().ToString())); |
162 #endif | 182 #endif |
163 origins->push_back(OriginRecord(origin, path)); | 183 origins->push_back(OriginRecord(origin, path)); |
164 iter->Next(); | 184 iter->Next(); |
165 } | 185 } |
166 return true; | 186 return true; |
167 } | 187 } |
168 | 188 |
169 void FileSystemOriginDatabase::DropDatabase() { | 189 void FileSystemOriginDatabase::DropDatabase() { |
170 db_.reset(); | 190 db_.reset(); |
171 } | 191 } |
172 | 192 |
173 bool FileSystemOriginDatabase::GetLastPathNumber(int* number) { | 193 bool FileSystemOriginDatabase::GetLastPathNumber(int* number) { |
174 if (!Init()) | 194 if (!Init(true)) |
175 return false; | 195 return false; |
176 DCHECK(number); | 196 DCHECK(number); |
177 std::string number_string; | 197 std::string number_string; |
178 leveldb::Status status = | 198 leveldb::Status status = |
179 db_->Get(leveldb::ReadOptions(), LastPathKey(), &number_string); | 199 db_->Get(leveldb::ReadOptions(), LastPathKey(), &number_string); |
180 if (status.ok()) | 200 if (status.ok()) |
181 return base::StringToInt(number_string, number); | 201 return base::StringToInt(number_string, number); |
182 if (!status.IsNotFound()) { | 202 if (!status.IsNotFound()) { |
183 HandleError(FROM_HERE, status); | 203 HandleError(FROM_HERE, status); |
184 return false; | 204 return false; |
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196 db_->Put(leveldb::WriteOptions(), LastPathKey(), std::string("-1")); | 216 db_->Put(leveldb::WriteOptions(), LastPathKey(), std::string("-1")); |
197 if (!status.ok()) { | 217 if (!status.ok()) { |
198 HandleError(FROM_HERE, status); | 218 HandleError(FROM_HERE, status); |
199 return false; | 219 return false; |
200 } | 220 } |
201 *number = -1; | 221 *number = -1; |
202 return true; | 222 return true; |
203 } | 223 } |
204 | 224 |
205 } // namespace fileapi | 225 } // namespace fileapi |
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