kopia lustrzana https://github.com/f4exb/sdrangel
148 wiersze
5.7 KiB
C++
148 wiersze
5.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018-2019 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <channel/remotedatablock.h>
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#include <channel/remotedataqueue.h>
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#include <algorithm>
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#include <QUdpSocket>
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#include "cm256cc/cm256.h"
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#include "remotesourceworker.h"
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MESSAGE_CLASS_DEFINITION(RemoteSourceWorker::MsgDataBind, Message)
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RemoteSourceWorker::RemoteSourceWorker(RemoteDataQueue *dataQueue, QObject* parent) :
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QObject(parent),
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m_running(false),
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m_dataQueue(dataQueue),
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m_address(QHostAddress::LocalHost),
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m_socket(nullptr)
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{
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std::fill(m_dataBlocks, m_dataBlocks+4, (RemoteDataBlock *) 0);
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connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);
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}
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RemoteSourceWorker::~RemoteSourceWorker()
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{
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qDebug("RemoteSourceWorker::~RemoteSourceWorker");
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}
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void RemoteSourceWorker::dataBind(const QString& address, uint16_t port)
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{
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MsgDataBind *msg = MsgDataBind::create(address, port);
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m_inputMessageQueue.push(msg);
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}
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void RemoteSourceWorker::startWork()
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{
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qDebug("RemoteSourceWorker::startWork");
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m_socket = new QUdpSocket(this);
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m_running = false;
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}
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void RemoteSourceWorker::stopWork()
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{
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qDebug("RemoteSourceWorker::stopWork");
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delete m_socket;
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m_socket = nullptr;
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m_running = false;
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}
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void RemoteSourceWorker::handleInputMessages()
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{
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Message* message;
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while ((message = m_inputMessageQueue.pop()) != 0)
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{
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if (MsgDataBind::match(*message))
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{
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MsgDataBind* notif = (MsgDataBind*) message;
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qDebug("RemoteSourceWorker::handleInputMessages: MsgDataBind: %s:%d", qPrintable(notif->getAddress().toString()), notif->getPort());
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if (m_socket)
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{
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disconnect(m_socket, SIGNAL(readyRead()), this, SLOT(readPendingDatagrams()));
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m_socket->bind(notif->getAddress(), notif->getPort());
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connect(m_socket, SIGNAL(readyRead()), this, SLOT(readPendingDatagrams()));
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}
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}
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}
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}
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void RemoteSourceWorker::readPendingDatagrams()
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{
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RemoteSuperBlock superBlock;
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qint64 size;
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while (m_socket->hasPendingDatagrams())
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{
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QHostAddress sender;
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quint16 senderPort = 0;
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//qint64 pendingDataSize = m_socket->pendingDatagramSize();
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size = m_socket->readDatagram((char *) &superBlock, (long long int) sizeof(RemoteSuperBlock), &sender, &senderPort);
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if (size == sizeof(RemoteSuperBlock))
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{
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unsigned int dataBlockIndex = superBlock.m_header.m_frameIndex % m_nbDataBlocks;
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// create the first block for this index
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if (m_dataBlocks[dataBlockIndex] == 0) {
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m_dataBlocks[dataBlockIndex] = new RemoteDataBlock();
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}
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if (m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_frameIndex < 0)
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{
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// initialize virgin block with the frame index
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m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_frameIndex = superBlock.m_header.m_frameIndex;
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}
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else
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{
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// if the frame index is not the same for the same slot it means we are starting a new frame
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uint32_t frameIndex = m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_frameIndex;
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if (superBlock.m_header.m_frameIndex != frameIndex)
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{
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//qDebug("RemoteSourceWorker::readPendingDatagrams: push frame %u", frameIndex);
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m_dataQueue->push(m_dataBlocks[dataBlockIndex]);
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m_dataBlocks[dataBlockIndex] = new RemoteDataBlock();
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m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_frameIndex = superBlock.m_header.m_frameIndex;
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}
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}
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m_dataBlocks[dataBlockIndex]->m_superBlocks[superBlock.m_header.m_blockIndex] = superBlock;
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if (superBlock.m_header.m_blockIndex == 0) {
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m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_metaRetrieved = true;
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}
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if (superBlock.m_header.m_blockIndex < RemoteNbOrginalBlocks) {
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m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_originalCount++;
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} else {
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m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_recoveryCount++;
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}
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m_dataBlocks[dataBlockIndex]->m_rxControlBlock.m_blockCount++;
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}
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else
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{
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qWarning("RemoteSourceWorker::readPendingDatagrams: wrong super block size not processing");
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}
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}
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}
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