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Unified Diff: webkit/browser/fileapi/sandbox_directory_database.h

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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Index: webkit/browser/fileapi/sandbox_directory_database.h
diff --git a/webkit/browser/fileapi/sandbox_directory_database.h b/webkit/browser/fileapi/sandbox_directory_database.h
deleted file mode 100644
index 114af1ba9fdcd3e1275d538b3b7bb4c086bff9cb..0000000000000000000000000000000000000000
--- a/webkit/browser/fileapi/sandbox_directory_database.h
+++ /dev/null
@@ -1,135 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef WEBKIT_BROWSER_FILEAPI_SANDBOX_DIRECTORY_DATABASE_H_
-#define WEBKIT_BROWSER_FILEAPI_SANDBOX_DIRECTORY_DATABASE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/files/file.h"
-#include "base/files/file_path.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/time/time.h"
-#include "webkit/browser/webkit_storage_browser_export.h"
-
-namespace content {
-class SandboxDirectoryDatabaseTest;
-}
-
-namespace tracked_objects {
-class Location;
-}
-
-namespace leveldb {
-class DB;
-class Env;
-class Status;
-class WriteBatch;
-}
-
-namespace fileapi {
-
-// This class WILL NOT protect you against producing directory loops, giving an
-// empty directory a backing data file, giving two files the same backing file,
-// or pointing to a nonexistent backing file. It does no file IO other than
-// that involved with talking to its underlying database. It does not create or
-// in any way touch real files; it only creates path entries in its database.
-
-// TODO(ericu): Safe mode, which does more checks such as the above on debug
-// builds.
-// TODO(ericu): Add a method that will give a unique filename for a data file.
-class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE SandboxDirectoryDatabase {
- public:
- typedef int64 FileId;
-
- struct WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE FileInfo {
- FileInfo();
- ~FileInfo();
-
- bool is_directory() const {
- return data_path.empty();
- }
-
- FileId parent_id;
- base::FilePath data_path;
- base::FilePath::StringType name;
- // This modification time is valid only for directories, not files, as
- // FileWriter will get the files out of sync.
- // For files, look at the modification time of the underlying data_path.
- base::Time modification_time;
- };
-
- SandboxDirectoryDatabase(
- const base::FilePath& filesystem_data_directory,
- leveldb::Env* env_override);
- ~SandboxDirectoryDatabase();
-
- bool GetChildWithName(
- FileId parent_id,
- const base::FilePath::StringType& name,
- FileId* child_id);
- bool GetFileWithPath(const base::FilePath& path, FileId* file_id);
- // ListChildren will succeed, returning 0 children, if parent_id doesn't
- // exist.
- bool ListChildren(FileId parent_id, std::vector<FileId>* children);
- bool GetFileInfo(FileId file_id, FileInfo* info);
- base::File::Error AddFileInfo(const FileInfo& info, FileId* file_id);
- bool RemoveFileInfo(FileId file_id);
- // This does a full update of the FileInfo, and is what you'd use for moves
- // and renames. If you just want to update the modification_time, use
- // UpdateModificationTime.
- bool UpdateFileInfo(FileId file_id, const FileInfo& info);
- bool UpdateModificationTime(
- FileId file_id, const base::Time& modification_time);
- // This is used for an overwriting move of a file [not a directory] on top of
- // another file [also not a directory]; we need to alter two files' info in a
- // single transaction to avoid weird backing file references in the event of a
- // partial failure.
- bool OverwritingMoveFile(FileId src_file_id, FileId dest_file_id);
-
- // This produces the series 0, 1, 2..., starting at 0 when the underlying
- // filesystem is first created, and maintaining state across
- // creation/destruction of SandboxDirectoryDatabase objects.
- bool GetNextInteger(int64* next);
-
- bool IsDirectory(FileId file_id);
-
- // Returns true if the database looks consistent with local filesystem.
- bool IsFileSystemConsistent();
-
- static bool DestroyDatabase(const base::FilePath& path,
- leveldb::Env* env_override);
-
- private:
- enum RecoveryOption {
- DELETE_ON_CORRUPTION,
- REPAIR_ON_CORRUPTION,
- FAIL_ON_CORRUPTION,
- };
-
- friend class content::SandboxDirectoryDatabaseTest;
- friend class ObfuscatedFileUtil;
-
- bool Init(RecoveryOption recovery_option);
- bool RepairDatabase(const std::string& db_path);
- void ReportInitStatus(const leveldb::Status& status);
- bool StoreDefaultValues();
- bool GetLastFileId(FileId* file_id);
- bool AddFileInfoHelper(
- const FileInfo& info, FileId file_id, leveldb::WriteBatch* batch);
- bool RemoveFileInfoHelper(FileId file_id, leveldb::WriteBatch* batch);
- void HandleError(const tracked_objects::Location& from_here,
- const leveldb::Status& status);
-
- const base::FilePath filesystem_data_directory_;
- leveldb::Env* env_override_;
- scoped_ptr<leveldb::DB> db_;
- base::Time last_reported_time_;
- DISALLOW_COPY_AND_ASSIGN(SandboxDirectoryDatabase);
-};
-
-} // namespace fileapi
-
-#endif // WEBKIT_BROWSER_FILEAPI_SANDBOX_DIRECTORY_DATABASE_H_
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