1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <stdint.h> 20 21 #include "fuse_provider.h" 22 23 // This class reads data from adb server. 24 class FuseAdbDataProvider : public FuseDataProvider { 25 public: FuseAdbDataProvider(int fd,uint64_t file_size,uint32_t block_size)26 FuseAdbDataProvider(int fd, uint64_t file_size, uint32_t block_size) 27 : FuseDataProvider(file_size, block_size), fd_(fd) {} 28 29 bool ReadBlockAlignedData(uint8_t* buffer, uint32_t fetch_size, 30 uint32_t start_block) const override; 31 Valid()32 bool Valid() const override { 33 return fd_ != -1; 34 } 35 36 private: 37 // The underlying source to read data from (i.e. the one that talks to the host). 38 int fd_; 39 }; 40