1 /* 2 * Net2FileSystem.h 3 * 4 * This source file is part of the FoundationDB open source project 5 * 6 * Copyright 2013-2018 Apple Inc. and the FoundationDB project authors 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 #ifndef FLOW_NET2FILESYSTEM_H 22 #define FLOW_NET2FILESYSTEM_H 23 #pragma once 24 25 #include "fdbrpc/IAsyncFile.h" 26 27 class Net2FileSystem : public IAsyncFileSystem { 28 public: 29 // Opens a file for asynchronous I/O 30 virtual Future< Reference<class IAsyncFile> > open( std::string filename, int64_t flags, int64_t mode ); 31 32 // Deletes the given file. If mustBeDurable, returns only when the file is guaranteed to be deleted even after a power failure. 33 virtual Future< Void > deleteFile( std::string filename, bool mustBeDurable ); 34 35 // Returns the time of the last modification of the file. 36 virtual Future< std::time_t > lastWriteTime( std::string filename ); 37 38 //void init(); 39 40 Net2FileSystem(double ioTimeout=0.0, std::string fileSystemPath = ""); 41 ~Net2FileSystem()42 virtual ~Net2FileSystem() {} 43 44 static void newFileSystem(double ioTimeout=0.0, std::string fileSystemPath = ""); 45 46 #ifdef __linux__ 47 dev_t fileSystemDeviceId; 48 bool checkFileSystem; 49 #endif 50 }; 51 52 #endif 53