1 /* 2 * Copyright (C) 2016 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 #ifndef _MTP_FFS_COMPAT_HANDLE_H 18 #define _MTP_FFS_COMPAT_HANDLE_H 19 20 #include <MtpFfsHandle.h> 21 22 namespace android { 23 24 template <class T> class MtpFfsHandleTest; 25 26 class MtpFfsCompatHandle : public MtpFfsHandle { 27 template <class T> friend class android::MtpFfsHandleTest; 28 private: 29 int writeHandle(int fd, const void *data, size_t len); 30 int readHandle(int fd, void *data, size_t len); 31 32 size_t mMaxWrite; 33 size_t mMaxRead; 34 35 public: 36 int read(void* data, size_t len) override; 37 int write(const void* data, size_t len) override; 38 int receiveFile(mtp_file_range mfr, bool zero_packet) override; 39 int sendFile(mtp_file_range mfr) override; 40 41 /** 42 * Open ffs endpoints and allocate necessary kernel and user memory. 43 * Will sleep until endpoints are enabled, for up to 1 second. 44 */ 45 int start(bool ptp) override; 46 47 MtpFfsCompatHandle(int controlFd); 48 ~MtpFfsCompatHandle(); 49 }; 50 51 } // namespace android 52 53 #endif // _MTP_FFS_COMPAT_HANDLE_H 54 55
