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/*
* Copyright (C) 2010 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.
*
* Copyright (C) 2014 TeamWin - bigbiff and Dees_Troy mtp database conversion to C++
*/
#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#ifdef MTP_DEVICE
#include <linux/usb/f_mtp.h>
#endif
#include "MtpEventPacket.h"
#include <usbhost/usbhost.h>
MtpEventPacket::MtpEventPacket()
: MtpPacket(512)
{
}
MtpEventPacket::~MtpEventPacket() {
}
#ifdef MTP_DEVICE
int MtpEventPacket::write(int fd) {
struct mtp_event event;
putUInt32(MTP_CONTAINER_LENGTH_OFFSET, mPacketSize);
putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_EVENT);
event.data = mBuffer;
event.length = mPacketSize;
int ret = ::ioctl(fd, MTP_SEND_EVENT, (unsigned long)&event);
return (ret < 0 ? ret : 0);
}
#endif
#ifdef MTP_HOST
int MtpEventPacket::read(struct usb_request *request) {
request->buffer = mBuffer;
request->buffer_length = mBufferSize;
int ret = transfer(request);
if (ret >= 0)
mPacketSize = ret;
else
mPacketSize = 0;
return ret;
}
#endif
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