mirror of https://github.com/opencardev/aasdk
95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/*
|
|
* This file is part of aasdk library project.
|
|
* Copyright (C) 2018 f1x.studio (Michal Szwaj)
|
|
*
|
|
* aasdk is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
|
|
* aasdk is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with aasdk. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <aasdk/Transport/USBTransport.hpp>
|
|
|
|
|
|
namespace aasdk
|
|
{
|
|
namespace transport
|
|
{
|
|
|
|
USBTransport::USBTransport(boost::asio::io_service& ioService, usb::IAOAPDevice::Pointer aoapDevice)
|
|
: Transport(ioService)
|
|
, aoapDevice_(std::move(aoapDevice))
|
|
{}
|
|
|
|
void USBTransport::enqueueReceive(common::DataBuffer buffer)
|
|
{
|
|
auto usbEndpointPromise = usb::IUSBEndpoint::Promise::defer(receiveStrand_);
|
|
usbEndpointPromise->then([this, self = this->shared_from_this()](auto bytesTransferred) {
|
|
this->receiveHandler(bytesTransferred);
|
|
},
|
|
[this, self = this->shared_from_this()](auto e) {
|
|
this->rejectReceivePromises(e);
|
|
});
|
|
|
|
aoapDevice_->getInEndpoint().bulkTransfer(buffer, cReceiveTimeoutMs, std::move(usbEndpointPromise));
|
|
}
|
|
|
|
void USBTransport::enqueueSend(SendQueue::iterator queueElement)
|
|
{
|
|
this->doSend(queueElement, 0);
|
|
}
|
|
|
|
void USBTransport::doSend(SendQueue::iterator queueElement, common::Data::size_type offset)
|
|
{
|
|
auto usbEndpointPromise = usb::IUSBEndpoint::Promise::defer(sendStrand_);
|
|
usbEndpointPromise->then([this, self = this->shared_from_this(), queueElement, offset](size_t bytesTransferred) mutable {
|
|
this->sendHandler(queueElement, offset, bytesTransferred);
|
|
},
|
|
[this, self = this->shared_from_this(), queueElement](const error::Error& e) mutable {
|
|
queueElement->second->reject(e);
|
|
sendQueue_.erase(queueElement);
|
|
|
|
if(!sendQueue_.empty())
|
|
{
|
|
this->doSend(sendQueue_.begin(), 0);
|
|
}
|
|
});
|
|
|
|
aoapDevice_->getOutEndpoint().bulkTransfer(common::DataBuffer(queueElement->first, offset), cSendTimeoutMs, std::move(usbEndpointPromise));
|
|
}
|
|
|
|
void USBTransport::sendHandler(SendQueue::iterator queueElement, common::Data::size_type offset, size_t bytesTransferred)
|
|
{
|
|
if(offset + bytesTransferred < queueElement->first.size())
|
|
{
|
|
this->doSend(queueElement, offset + bytesTransferred);
|
|
}
|
|
else
|
|
{
|
|
queueElement->second->resolve();
|
|
sendQueue_.erase(queueElement);
|
|
|
|
if(!sendQueue_.empty())
|
|
{
|
|
this->doSend(sendQueue_.begin(), 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
void USBTransport::stop()
|
|
{
|
|
aoapDevice_->getInEndpoint().cancelTransfers();
|
|
aoapDevice_->getOutEndpoint().cancelTransfers();
|
|
}
|
|
|
|
}
|
|
}
|