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-rw-r--r--src/leveldb/db/filename.h80
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diff --git a/src/leveldb/db/filename.h b/src/leveldb/db/filename.h
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-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-//
-// File names used by DB code
-
-#ifndef STORAGE_LEVELDB_DB_FILENAME_H_
-#define STORAGE_LEVELDB_DB_FILENAME_H_
-
-#include <stdint.h>
-#include <string>
-#include "leveldb/slice.h"
-#include "leveldb/status.h"
-#include "port/port.h"
-
-namespace leveldb {
-
-class Env;
-
-enum FileType {
- kLogFile,
- kDBLockFile,
- kTableFile,
- kDescriptorFile,
- kCurrentFile,
- kTempFile,
- kInfoLogFile // Either the current one, or an old one
-};
-
-// Return the name of the log file with the specified number
-// in the db named by "dbname". The result will be prefixed with
-// "dbname".
-extern std::string LogFileName(const std::string& dbname, uint64_t number);
-
-// Return the name of the sstable with the specified number
-// in the db named by "dbname". The result will be prefixed with
-// "dbname".
-extern std::string TableFileName(const std::string& dbname, uint64_t number);
-
-// Return the name of the descriptor file for the db named by
-// "dbname" and the specified incarnation number. The result will be
-// prefixed with "dbname".
-extern std::string DescriptorFileName(const std::string& dbname,
- uint64_t number);
-
-// Return the name of the current file. This file contains the name
-// of the current manifest file. The result will be prefixed with
-// "dbname".
-extern std::string CurrentFileName(const std::string& dbname);
-
-// Return the name of the lock file for the db named by
-// "dbname". The result will be prefixed with "dbname".
-extern std::string LockFileName(const std::string& dbname);
-
-// Return the name of a temporary file owned by the db named "dbname".
-// The result will be prefixed with "dbname".
-extern std::string TempFileName(const std::string& dbname, uint64_t number);
-
-// Return the name of the info log file for "dbname".
-extern std::string InfoLogFileName(const std::string& dbname);
-
-// Return the name of the old info log file for "dbname".
-extern std::string OldInfoLogFileName(const std::string& dbname);
-
-// If filename is a leveldb file, store the type of the file in *type.
-// The number encoded in the filename is stored in *number. If the
-// filename was successfully parsed, returns true. Else return false.
-extern bool ParseFileName(const std::string& filename,
- uint64_t* number,
- FileType* type);
-
-// Make the CURRENT file point to the descriptor file with the
-// specified number.
-extern Status SetCurrentFile(Env* env, const std::string& dbname,
- uint64_t descriptor_number);
-
-
-} // namespace leveldb
-
-#endif // STORAGE_LEVELDB_DB_FILENAME_H_