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 #ifndef _IMTP_HANDLE_H 17 #define _IMTP_HANDLE_H 18 19 #include <linux/usb/f_mtp.h> 20 21 namespace android { 22 23 class IMtpHandle { 24 public: 25 // Return number of bytes read/written, or -1 and errno is set 26 virtual int read(void *data, size_t len) = 0; 27 virtual int write(const void *data, size_t len) = 0; 28 29 // Return 0 if send/receive is successful, or -1 and errno is set 30 virtual int receiveFile(mtp_file_range mfr, bool zero_packet) = 0; 31 virtual int sendFile(mtp_file_range mfr) = 0; 32 virtual int sendEvent(mtp_event me) = 0; 33 34 // Return 0 if operation is successful, or -1 else 35 virtual int start(bool ptp) = 0; 36 37 virtual void close() = 0; 38 39 virtual ~IMtpHandle() {} 40 }; 41 42 } 43 44 #endif // _IMTP_HANDLE_H 45 46
