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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android-base/logging.h>
#include <cutils/properties.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/usb/ch9.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/endian.h>
#include <unistd.h>
#include "MtpDevHandle.h"
constexpr char mtp_dev_path[] = "/dev/mtp_usb";
MtpDevHandle::MtpDevHandle(int controlFd) {
mFd.reset(controlFd);
}
MtpDevHandle::~MtpDevHandle() {}
int MtpDevHandle::read(void *data, size_t len) {
return ::read(mFd, data, len);
}
int MtpDevHandle::write(const void *data, size_t len) {
return ::write(mFd, data, len);
}
int MtpDevHandle::receiveFile(mtp_file_range mfr, bool) {
return ioctl(mFd, MTP_RECEIVE_FILE, reinterpret_cast<unsigned long>(&mfr));
}
int MtpDevHandle::sendFile(mtp_file_range mfr) {
return ioctl(mFd, MTP_SEND_FILE_WITH_HEADER, reinterpret_cast<unsigned long>(&mfr));
}
int MtpDevHandle::sendEvent(mtp_event me) {
return ioctl(mFd, MTP_SEND_EVENT, reinterpret_cast<unsigned long>(&me));
}
int MtpDevHandle::start(bool /* ptp */) {
mFd.reset(TEMP_FAILURE_RETRY(open(mtp_dev_path, O_RDWR)));
if (mFd == -1) return -1;
return 0;
}
void MtpDevHandle::close() {
mFd.reset();
}
bool MtpDevHandle::writeDescriptors(bool usePtp) { return usePtp; }
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