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sdrangel/plugins/channeltx/remotesource/remotesourceworker.cpp

207 lines
7.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018-2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2019 Davide Gerhard <rainbow@irh.it> //
// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
// Copyright (C) 2022 Jiří Pinkava <jiri.pinkava@rossum.ai> //
// //
// This program 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 as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program 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 V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <channel/remotedatablock.h>
#include <channel/remotedataqueue.h>
#include <algorithm>
#include <QThread>
#include <QVariant>
#include "cm256cc/cm256.h"
#include "remotesourceworker.h"
MESSAGE_CLASS_DEFINITION(RemoteSourceWorker::MsgDataBind, Message)
RemoteSourceWorker::RemoteSourceWorker(RemoteDataQueue *dataQueue, QObject* parent) :
QObject(parent),
m_running(false),
m_dataQueue(dataQueue),
m_address(QHostAddress::LocalHost),
m_socket(this),
m_sampleRate(0),
m_udpReadBytes(0)
{
m_udpBuf = new char[RemoteUdpSize];
std::fill(m_dataFrames, m_dataFrames+4, (RemoteDataFrame *) 0);
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);
connect(&m_socket, SIGNAL(readyRead()),this, SLOT(recv()));
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
connect(&m_socket, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error), this, &RemoteSourceWorker::errorOccurred);
#else
connect(&m_socket, &QAbstractSocket::errorOccurred, this, &RemoteSourceWorker::errorOccurred);
#endif
}
RemoteSourceWorker::~RemoteSourceWorker()
{
qDebug("RemoteSourceWorker::~RemoteSourceWorker");
}
void RemoteSourceWorker::dataBind(const QString& address, uint16_t port)
{
MsgDataBind *msg = MsgDataBind::create(address, port);
m_inputMessageQueue.push(msg);
}
bool RemoteSourceWorker::startWork()
{
qDebug("RemoteSourceWorker::startWork");
QMutexLocker mutexLocker(&m_mutex);
m_socket.setSocketOption(QAbstractSocket::ReceiveBufferSizeSocketOption, getDataSocketBufferSize(m_sampleRate));
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
connect(thread(), SIGNAL(started()), this, SLOT(started()));
connect(thread(), SIGNAL(finished()), this, SLOT(finished()));
m_running = true;
return m_running;
}
void RemoteSourceWorker::started()
{
disconnect(thread(), SIGNAL(started()), this, SLOT(started()));
}
void RemoteSourceWorker::stopWork()
{
qDebug("RemoteSourceWorker::stopWork");
QMutexLocker mutexLocker(&m_mutex);
disconnect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
}
void RemoteSourceWorker::finished()
{
// Close any existing connection
if (m_socket.isOpen()) {
m_socket.close();
}
m_running = false;
disconnect(thread(), SIGNAL(finished()), this, SLOT(finished()));
}
void RemoteSourceWorker::errorOccurred(QAbstractSocket::SocketError socketError)
{
qWarning() << "RemoteSourceWorker::errorOccurred: " << socketError;
}
void RemoteSourceWorker::handleInputMessages()
{
Message* message;
while ((message = m_inputMessageQueue.pop()) != nullptr)
{
if (MsgDataBind::match(*message))
{
QMutexLocker mutexLocker(&m_mutex);
MsgDataBind* notif = (MsgDataBind*) message;
qDebug("RemoteSourceWorker::handleInputMessages: MsgDataBind: %s:%d", qPrintable(notif->getAddress().toString()), notif->getPort());
disconnect(&m_socket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
m_socket.abort();
m_socket.bind(notif->getAddress(), notif->getPort());
connect(&m_socket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
}
}
}
void RemoteSourceWorker::dataReadyRead()
{
m_udpReadBytes = 0;
while (m_socket.hasPendingDatagrams())
{
qint64 pendingDataSize = m_socket.pendingDatagramSize();
QHostAddress sender;
m_udpReadBytes += m_socket.readDatagram(&m_udpBuf[m_udpReadBytes], pendingDataSize, &sender, nullptr);
if (m_udpReadBytes == RemoteUdpSize)
{
processData();
m_udpReadBytes = 0;
}
}
}
void RemoteSourceWorker::processData()
{
RemoteSuperBlock *superBlock = (RemoteSuperBlock *) m_udpBuf;
unsigned int dataBlockIndex = superBlock->m_header.m_frameIndex % m_nbDataFrames;
int blockIndex = superBlock->m_header.m_blockIndex;
if (blockIndex == 0) // first block with meta data
{
const RemoteMetaDataFEC *metaData = (const RemoteMetaDataFEC *) &superBlock->m_protectedBlock;
uint32_t sampleRate = metaData->m_sampleRate;
if (m_sampleRate != sampleRate)
{
qDebug("RemoteSourceWorker::processData: sampleRate: %u", sampleRate);
m_socket.setSocketOption(QAbstractSocket::ReceiveBufferSizeSocketOption, getDataSocketBufferSize(sampleRate));
m_sampleRate = sampleRate;
}
}
// create the first block for this index
if (m_dataFrames[dataBlockIndex] == nullptr) {
m_dataFrames[dataBlockIndex] = new RemoteDataFrame();
}
if (m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_frameIndex < 0)
{
// initialize virgin block with the frame index
m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_frameIndex = superBlock->m_header.m_frameIndex;
}
else
{
// if the frame index is not the same for the same slot it means we are starting a new frame
uint32_t frameIndex = m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_frameIndex;
if (superBlock->m_header.m_frameIndex != frameIndex)
{
m_dataQueue->push(m_dataFrames[dataBlockIndex]);
m_dataFrames[dataBlockIndex] = new RemoteDataFrame();
m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_frameIndex = superBlock->m_header.m_frameIndex;
}
}
m_dataFrames[dataBlockIndex]->m_superBlocks[superBlock->m_header.m_blockIndex] = *superBlock;
if (superBlock->m_header.m_blockIndex == 0) {
m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_metaRetrieved = true;
}
if (superBlock->m_header.m_blockIndex < RemoteNbOrginalBlocks) {
m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_originalCount++;
} else {
m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_recoveryCount++;
}
m_dataFrames[dataBlockIndex]->m_rxControlBlock.m_blockCount++;
}
int RemoteSourceWorker::getDataSocketBufferSize(uint32_t inSampleRate)
{
// set a floor value at 96 kS/s
uint32_t samplerate = inSampleRate < 96000 ? 96000 : inSampleRate;
// 250 ms (1/4s) at current sample rate
int bufferSize = (samplerate * 2 * (SDR_RX_SAMP_SZ == 16 ? 2 : 4)) / 4;
qDebug("RemoteSourceWorker::getDataSocketBufferSize: %d bytes", bufferSize);
return bufferSize;
}