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Create base class for transports

pull/1/head
michal.szwaj 2018-03-15 17:59:18 +01:00
parent 36833be832
commit 1c95f086b7
12 changed files with 387 additions and 133 deletions
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20
include/f1x/aasdk/TCP/ITCPEndpoint.hpp
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@ -1,3 +1,21 @@
/*
* 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/>.
*/
#pragma once
#include <memory>
@ -15,7 +33,7 @@ class ITCPEndpoint
{
public:
typedef std::shared_ptr<ITCPEndpoint> Pointer;
typedef io::Promise<void> Promise;
typedef io::Promise<size_t> Promise;
virtual ~ITCPEndpoint() = default;

18
include/f1x/aasdk/TCP/ITCPWrapper.hpp
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@ -1,3 +1,21 @@
/*
* 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/>.
*/
#pragma once
#include <functional>

18
include/f1x/aasdk/TCP/TCPEndpoint.hpp
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@ -1,3 +1,21 @@
/*
* 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/>.
*/
#pragma once
#include <boost/asio/ip/tcp.hpp>

18
include/f1x/aasdk/TCP/TCPWrapper.hpp
View File

@ -1,3 +1,21 @@
/*
* 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/>.
*/
#pragma once
#include <f1x/aasdk/TCP/ITCPWrapper.hpp>

29
include/f1x/aasdk/Transport/TCPTransport.hpp
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@ -1,7 +1,26 @@
/*
* 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/>.
*/
#pragma once
#include <list>
#include <f1x/aasdk/TCP/ITCPEndpoint.hpp>
#include <f1x/aasdk/Transport/DataSink.hpp>
#include <f1x/aasdk/Transport/ITransport.hpp>
namespace f1x
@ -25,12 +44,12 @@ private:
typedef std::list<std::pair<common::Data, SendPromise::Pointer>> SendQueue;
using std::enable_shared_from_this<TCPTransport>::shared_from_this;
void doReceive();
void receiveHandler(ReceiveQueue::iterator queueElement);
void receiveFailureHandler(const aasdk::error::Error& e, ReceiveQueue::iterator queueElement);
void distributeReceivedData();
void receiveHandler(size_t bytesTransferred);
void receiveFailureHandler(const aasdk::error::Error& e);
void doSend();
void sendHandler(SendQueue::iterator queueElement);
void sendHandler(size_t bytesTransferred, SendQueue::iterator queueElement);
void sendFailureHandler(const aasdk::error::Error& e, SendQueue::iterator queueElement);
boost::asio::io_service& ioService_;
@ -38,7 +57,7 @@ private:
boost::asio::io_service::strand receiveStrand_;
ReceiveQueue receiveQueue_;
common::Data receiveData_;
DataSink tcpReceivedDataSink_;
boost::asio::io_service::strand sendStrand_;
SendQueue sendQueue_;

65
include/f1x/aasdk/Transport/Transport.hpp 100644
View File

@ -0,0 +1,65 @@
/*
* 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/>.
*/
#pragma once
#include <list>
#include <queue>
#include <boost/asio.hpp>
#include <f1x/aasdk/Transport/ITransport.hpp>
#include <f1x/aasdk/Transport/DataSink.hpp>
namespace f1x
{
namespace aasdk
{
namespace transport
{
class Transport: public ITransport, public std::enable_shared_from_this<Transport>, boost::noncopyable
{
public:
Transport(boost::asio::io_service& ioService);
void receive(size_t size, ReceivePromise::Pointer promise) override;
void send(common::Data data, SendPromise::Pointer promise) override;
protected:
typedef std::list<std::pair<size_t, ReceivePromise::Pointer>> ReceiveQueue;
typedef std::list<std::pair<common::Data, SendPromise::Pointer>> SendQueue;
using std::enable_shared_from_this<Transport>::shared_from_this;
void receiveHandler(size_t bytesTransferred);
void distributeReceivedData();
void rejectReceivePromises(const error::Error& e);
virtual void enqueueReceive(common::DataBuffer buffer) = 0;
virtual void enqueueSend(SendQueue::iterator queueElement) = 0;
DataSink receivedDataSink_;
boost::asio::io_service::strand receiveStrand_;
ReceiveQueue receiveQueue_;
boost::asio::io_service::strand sendStrand_;
SendQueue sendQueue_;
};
}
}
}

26
include/f1x/aasdk/Transport/USBTransport.hpp
View File

@ -21,7 +21,7 @@
#include <list>
#include <queue>
#include <boost/asio.hpp>
#include <f1x/aasdk/Transport/ITransport.hpp>
#include <f1x/aasdk/Transport/Transport.hpp>
#include <f1x/aasdk/Transport/DataSink.hpp>
#include <f1x/aasdk/USB/IAOAPDevice.hpp>
@ -32,35 +32,21 @@ namespace aasdk
namespace transport
{
class USBTransport: public ITransport, public std::enable_shared_from_this<USBTransport>, boost::noncopyable
class USBTransport: public Transport
{
public:
USBTransport(boost::asio::io_service& ioService, usb::IAOAPDevice::Pointer aoapDevice);
void receive(size_t size, ReceivePromise::Pointer promise) override;
void send(common::Data data, SendPromise::Pointer promise) override;
void stop() override;
private:
typedef std::list<std::pair<size_t, ReceivePromise::Pointer>> InTransferQueue;
typedef std::list<std::pair<common::Data, SendPromise::Pointer>> OutTransferQueue;
using std::enable_shared_from_this<USBTransport>::shared_from_this;
void enqueueReceive(common::DataBuffer buffer) override;
void enqueueSend(SendQueue::iterator queueElement) override;
void receiveHandler(size_t bytesTransferred);
void distributeReceivedData();
void rejectReceivePromises(const error::Error& e);
void doSend(OutTransferQueue::iterator queueElementIter, common::Data::size_type offset);
void sendHandler(OutTransferQueue::iterator queueElementIter, common::Data::size_type offset, size_t bytesTransferred);
void doSend(SendQueue::iterator queueElement, common::Data::size_type offset);
void sendHandler(SendQueue::iterator queueElement, common::Data::size_type offset, size_t bytesTransferred);
usb::IAOAPDevice::Pointer aoapDevice_;
DataSink usbReceivedDataSink_;
boost::asio::io_service::strand receiveStrand_;
InTransferQueue receiveQueue_;
boost::asio::io_service::strand sendStrand_;
OutTransferQueue sendQueue_;
static constexpr uint32_t cSendTimeoutMs = 10000;
static constexpr uint32_t cReceiveTimeoutMs = 0;

22
src/TCP/TCPEndpoint.cpp
View File

@ -1,3 +1,21 @@
/*
* 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 <f1x/aasdk/TCP/TCPEndpoint.hpp>
namespace f1x
@ -39,11 +57,11 @@ void TCPEndpoint::stop()
tcpWrapper_.close(socket_);
}
void TCPEndpoint::asyncOperationHandler(const boost::system::error_code& ec, size_t, Promise::Pointer promise)
void TCPEndpoint::asyncOperationHandler(const boost::system::error_code& ec, size_t bytesTransferred, Promise::Pointer promise)
{
if(!ec)
{
promise->resolve();
promise->resolve(bytesTransferred);
}
else
{

20
src/TCP/TCPWrapper.cpp
View File

@ -1,3 +1,21 @@
/*
* 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 <boost/asio.hpp>
#include <f1x/aasdk/TCP/TCPWrapper.hpp>
@ -15,7 +33,7 @@ void TCPWrapper::asyncWrite(boost::asio::ip::tcp::socket& socket, common::DataCo
void TCPWrapper::asyncRead(boost::asio::ip::tcp::socket& socket, common::DataBuffer buffer, Handler handler)
{
boost::asio::async_read(socket, boost::asio::buffer(buffer.data, buffer.size), std::move(handler));
socket.async_receive(boost::asio::buffer(buffer.data, buffer.size), std::move(handler));
}
void TCPWrapper::close(boost::asio::ip::tcp::socket& socket)

82
src/Transport/TCPTransport.cpp
View File

@ -1,3 +1,21 @@
/*
* 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 <f1x/aasdk/Transport/TCPTransport.hpp>
namespace f1x
@ -23,7 +41,7 @@ void TCPTransport::receive(size_t size, ReceivePromise::Pointer promise)
if(receiveQueue_.size() == 1)
{
this->doReceive();
this->distributeReceivedData();
}
});
}
@ -45,37 +63,21 @@ void TCPTransport::stop()
tcpEndpoint_->stop();
}
void TCPTransport::doReceive()
void TCPTransport::receiveHandler(size_t bytesTransferred)
{
auto queueElement = receiveQueue_.begin();
receiveData_.resize(queueElement->first);
auto receivePromise = tcp::ITCPEndpoint::Promise::defer(receiveStrand_);
receivePromise->then(std::bind(&TCPTransport::receiveHandler, this->shared_from_this(), queueElement),
std::bind(&TCPTransport::receiveFailureHandler, this->shared_from_this(), std::placeholders::_1, queueElement));
tcpEndpoint_->receive(common::DataBuffer(receiveData_), std::move(receivePromise));
}
void TCPTransport::receiveHandler(ReceiveQueue::iterator queueElement)
{
queueElement->second->resolve(std::move(receiveData_));
receiveQueue_.erase(queueElement);
if(!receiveQueue_.empty())
try
{
this->doReceive();
tcpReceivedDataSink_.commit(bytesTransferred);
this->distributeReceivedData();
}
catch(const error::Error& e)
{
//this->rejectReceivePromises(e);
}
}
void TCPTransport::receiveFailureHandler(const aasdk::error::Error& e, ReceiveQueue::iterator queueElement)
void TCPTransport::receiveFailureHandler(const aasdk::error::Error& e)
{
queueElement->second->reject(e);
receiveQueue_.erase(queueElement);
if(!receiveQueue_.empty())
{
this->doReceive();
}
}
void TCPTransport::doSend()
@ -83,12 +85,13 @@ void TCPTransport::doSend()
auto queueElement = sendQueue_.begin();
auto sendPromise = tcp::ITCPEndpoint::Promise::defer(sendStrand_);
sendPromise->then(std::bind(&TCPTransport::sendHandler, this->shared_from_this(), queueElement),
sendPromise->then(std::bind(&TCPTransport::sendHandler, this->shared_from_this(), std::placeholders::_1, queueElement),
std::bind(&TCPTransport::sendFailureHandler, this->shared_from_this(), std::placeholders::_1, queueElement));
tcpEndpoint_->send(common::DataConstBuffer(queueElement->first), std::move(sendPromise));
}
void TCPTransport::sendHandler(SendQueue::iterator queueElement)
void TCPTransport::sendHandler(size_t, SendQueue::iterator queueElement)
{
queueElement->second->resolve();
sendQueue_.erase(queueElement);
@ -110,6 +113,29 @@ void TCPTransport::sendFailureHandler(const aasdk::error::Error& e, SendQueue::i
}
}
void TCPTransport::distributeReceivedData()
{
for(auto queueElement = receiveQueue_.begin(); queueElement != receiveQueue_.end();)
{
if(tcpReceivedDataSink_.getAvailableSize() < queueElement->first)
{
auto buffer = tcpReceivedDataSink_.fill();
auto receivePromise = tcp::ITCPEndpoint::Promise::defer(receiveStrand_);
receivePromise->then(std::bind(&TCPTransport::receiveHandler, this->shared_from_this(), std::placeholders::_1),
std::bind(&TCPTransport::receiveFailureHandler, this->shared_from_this(), std::placeholders::_1));
tcpEndpoint_->receive(buffer, std::move(receivePromise));
break;
}
else
{
auto data(tcpReceivedDataSink_.consume(queueElement->first));
queueElement->second->resolve(std::move(data));
queueElement = receiveQueue_.erase(queueElement);
}
}
}
}
}
}

96
src/Transport/Transport.cpp 100644
View File

@ -0,0 +1,96 @@
/*
* 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 <f1x/aasdk/Transport/Transport.hpp>
namespace f1x
{
namespace aasdk
{
namespace transport
{
Transport::Transport(boost::asio::io_service& ioService)
: receiveStrand_(ioService)
, sendStrand_(ioService)
{}
void Transport::receive(size_t size, ReceivePromise::Pointer promise)
{
receiveStrand_.dispatch([this, self = this->shared_from_this(), size, promise = std::move(promise)]() mutable {
receiveQueue_.emplace_back(std::make_pair(size, std::move(promise)));
if(receiveQueue_.size() == 1)
{
try
{
this->distributeReceivedData();
}
catch(const error::Error& e)
{
this->rejectReceivePromises(e);
}
}
});
}
void Transport::distributeReceivedData()
{
for(auto queueElement = receiveQueue_.begin(); queueElement != receiveQueue_.end();)
{
if(receivedDataSink_.getAvailableSize() < queueElement->first)
{
auto buffer = receivedDataSink_.fill();
this->enqueueReceive(std::move(buffer));
break;
}
else
{
auto data(receivedDataSink_.consume(queueElement->first));
queueElement->second->resolve(std::move(data));
queueElement = receiveQueue_.erase(queueElement);
}
}
}
void Transport::rejectReceivePromises(const error::Error& e)
{
for(auto& queueElement : receiveQueue_)
{
queueElement.second->reject(e);
}
receiveQueue_.clear();
}
void Transport::send(common::Data data, SendPromise::Pointer promise)
{
sendStrand_.dispatch([this, self = this->shared_from_this(), data = std::move(data), promise = std::move(promise)]() mutable {
sendQueue_.emplace_back(std::make_pair(std::move(data), std::move(promise)));
if(sendQueue_.size() == 1)
{
this->enqueueSend(sendQueue_.begin());
}
});
}
}
}
}

106
src/Transport/USBTransport.cpp
View File

@ -26,35 +26,33 @@ namespace transport
{
USBTransport::USBTransport(boost::asio::io_service& ioService, usb::IAOAPDevice::Pointer aoapDevice)
: aoapDevice_(std::move(aoapDevice))
, receiveStrand_(ioService)
, sendStrand_(ioService)
: Transport(ioService)
, aoapDevice_(std::move(aoapDevice))
{}
void USBTransport::receive(size_t size, ReceivePromise::Pointer promise)
void USBTransport::enqueueReceive(common::DataBuffer buffer)
{
receiveStrand_.dispatch([this, self = this->shared_from_this(), size, promise = std::move(promise)]() mutable {
receiveQueue_.emplace_back(std::make_pair(size, std::move(promise)));
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);
});
if(receiveQueue_.size() == 1)
{
try
{
this->distributeReceivedData();
}
catch(const error::Error& e)
{
this->rejectReceivePromises(e);
}
}
});
aoapDevice_->getInEndpoint().bulkTransfer(buffer, cReceiveTimeoutMs, std::move(usbEndpointPromise));
}
void USBTransport::enqueueSend(SendQueue::iterator queueElement)
{
this->doSend(queueElement, 0);
}
void USBTransport::receiveHandler(size_t bytesTransferred)
{
try
{
usbReceivedDataSink_.commit(bytesTransferred);
receivedDataSink_.commit(bytesTransferred);
this->distributeReceivedData();
}
catch(const error::Error& e)
@ -63,79 +61,35 @@ void USBTransport::receiveHandler(size_t bytesTransferred)
}
}
void USBTransport::distributeReceivedData()
{
for(auto queueElement = receiveQueue_.begin(); queueElement != receiveQueue_.end();)
{
if(usbReceivedDataSink_.getAvailableSize() < queueElement->first)
{
auto buffer = usbReceivedDataSink_.fill();
auto usbEndpointPromise = usb::IUSBEndpoint::Promise::defer(receiveStrand_);
usbEndpointPromise->then(std::bind(&USBTransport::receiveHandler, this->shared_from_this(), std::placeholders::_1),
std::bind(&USBTransport::rejectReceivePromises, this->shared_from_this(), std::placeholders::_1));
aoapDevice_->getInEndpoint().bulkTransfer(buffer, cReceiveTimeoutMs, std::move(usbEndpointPromise));
break;
}
else
{
auto data(usbReceivedDataSink_.consume(queueElement->first));
queueElement->second->resolve(std::move(data));
queueElement = receiveQueue_.erase(queueElement);
}
}
}
void USBTransport::rejectReceivePromises(const error::Error& e)
{
for(auto& queueElement : receiveQueue_)
{
queueElement.second->reject(e);
}
receiveQueue_.clear();
}
void USBTransport::send(common::Data data, SendPromise::Pointer promise)
{
sendStrand_.dispatch([this, self = this->shared_from_this(), data = std::move(data), promise = std::move(promise)]() mutable {
sendQueue_.emplace_back(std::make_pair(std::move(data), std::move(promise)));
if(sendQueue_.size() == 1)
{
this->doSend(sendQueue_.begin(), 0);
}
});
}
void USBTransport::doSend(OutTransferQueue::iterator queueElementIter, common::Data::size_type offset)
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(), queueElementIter, offset](size_t bytesTransferred) mutable {
this->sendHandler(queueElementIter, offset, bytesTransferred);
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(), queueElementIter](const error::Error& e) mutable {
queueElementIter->second->reject(e);
sendQueue_.erase(queueElementIter);
[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(queueElementIter->first, offset), cSendTimeoutMs, std::move(usbEndpointPromise));
aoapDevice_->getOutEndpoint().bulkTransfer(common::DataBuffer(queueElement->first, offset), cSendTimeoutMs, std::move(usbEndpointPromise));
}
void USBTransport::sendHandler(OutTransferQueue::iterator queueElementIter, common::Data::size_type offset, size_t bytesTransferred)
void USBTransport::sendHandler(SendQueue::iterator queueElement, common::Data::size_type offset, size_t bytesTransferred)
{
if(offset + bytesTransferred < queueElementIter->first.size())
if(offset + bytesTransferred < queueElement->first.size())
{
this->doSend(queueElementIter, offset + bytesTransferred);
this->doSend(queueElement, offset + bytesTransferred);
}
else
{
queueElementIter->second->resolve();
sendQueue_.erase(queueElementIter);
queueElement->second->resolve();
sendQueue_.erase(queueElement);
if(!sendQueue_.empty())
{