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bigbiff bigbiffaf32bb92018-12-18 18:39:53 -05001/*
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
21class IMtpHandle {
22public:
23 // Return number of bytes read/written, or -1 and errno is set
24 virtual int read(void *data, size_t len) = 0;
25 virtual int write(const void *data, size_t len) = 0;
26
27 // Return 0 if send/receive is successful, or -1 and errno is set
28 virtual int receiveFile(mtp_file_range mfr, bool zero_packet) = 0;
29 virtual int sendFile(mtp_file_range mfr) = 0;
30 virtual int sendEvent(mtp_event me) = 0;
31
32 // Return 0 if operation is successful, or -1 else
33 virtual int start(bool ptp) = 0;
34
35 virtual bool writeDescriptors(bool ptp) = 0;
36
37 virtual void close() = 0;
38
39 virtual ~IMtpHandle() {}
40};
41
42#endif // _IMTP_HANDLE_H
43