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// 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 STORAGE_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_
#define STORAGE_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_
#include <memory>
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/time/time.h"
#include "storage/browser/fileapi/sandbox_origin_database_interface.h"
namespace leveldb {
class DB;
class Env;
class Status;
}
namespace tracked_objects {
class Location;
}
namespace storage {
// All methods of this class other than the constructor may be used only from
// the browser's FILE thread. The constructor may be used on any thread.
class STORAGE_EXPORT SandboxOriginDatabase
: public SandboxOriginDatabaseInterface {
public:
// Only one instance of SandboxOriginDatabase should exist for a given path
// at a given time.
SandboxOriginDatabase(const base::FilePath& file_system_directory,
leveldb::Env* env_override);
~SandboxOriginDatabase() override;
// SandboxOriginDatabaseInterface overrides.
bool HasOriginPath(const std::string& origin) override;
bool GetPathForOrigin(const std::string& origin,
base::FilePath* directory) override;
bool RemovePathForOrigin(const std::string& origin) override;
bool ListAllOrigins(std::vector<OriginRecord>* origins) override;
void DropDatabase() override;
base::FilePath GetDatabasePath() const;
void RemoveDatabase();
private:
enum RecoveryOption {
REPAIR_ON_CORRUPTION,
DELETE_ON_CORRUPTION,
FAIL_ON_CORRUPTION,
};
enum InitOption {
CREATE_IF_NONEXISTENT,
FAIL_IF_NONEXISTENT,
};
bool Init(InitOption init_option, RecoveryOption recovery_option);
bool RepairDatabase(const std::string& db_path);
// Close the database. Before this, all iterators associated with the database
// must be deleted.
void HandleError(const tracked_objects::Location& from_here,
const leveldb::Status& status);
void ReportInitStatus(const leveldb::Status& status);
bool GetLastPathNumber(int* number);
base::FilePath file_system_directory_;
leveldb::Env* env_override_;
std::unique_ptr<leveldb::DB> db_;
base::Time last_reported_time_;
DISALLOW_COPY_AND_ASSIGN(SandboxOriginDatabase);
};
} // namespace storage
#endif // STORAGE_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_