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sdrangel/plugins/channelrx/remotesink/remotesink.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Edouard Griffiths, F4EXB. //
// //
// Remote sink channel (Rx) UDP sender thread //
// //
// SDRangel can work as a detached SDR front end. With this plugin it can //
// sends the I/Q samples stream to another SDRangel instance via UDP. //
// It is controlled via a Web REST API. //
// //
// 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 //
// //
// 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 "remotesink.h"
#include <sys/time.h>
#include <unistd.h>
#include <boost/crc.hpp>
#include <boost/cstdint.hpp>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include "SWGChannelSettings.h"
#include "util/simpleserializer.h"
#include "dsp/threadedbasebandsamplesink.h"
#include "dsp/downchannelizer.h"
#include "dsp/dspcommands.h"
#include "device/devicesourceapi.h"
#include "../remotesink/remotesinkthread.h"
MESSAGE_CLASS_DEFINITION(RemoteSink::MsgConfigureRemoteSink, Message)
MESSAGE_CLASS_DEFINITION(RemoteSink::MsgSampleRateNotification, Message)
const QString RemoteSink::m_channelIdURI = "sdrangel.channel.remotesink";
const QString RemoteSink::m_channelId = "RemoteSink";
RemoteSink::RemoteSink(DeviceSourceAPI *deviceAPI) :
ChannelSinkAPI(m_channelIdURI),
m_deviceAPI(deviceAPI),
m_running(false),
m_sinkThread(0),
m_txBlockIndex(0),
m_frameCount(0),
m_sampleIndex(0),
m_dataBlock(0),
m_centerFrequency(0),
m_sampleRate(48000),
m_nbBlocksFEC(0),
m_txDelay(35),
m_dataAddress("127.0.0.1"),
m_dataPort(9090)
{
setObjectName(m_channelId);
m_channelizer = new DownChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
m_deviceAPI->addThreadedSink(m_threadedChannelizer);
m_deviceAPI->addChannelAPI(this);
m_networkManager = new QNetworkAccessManager();
connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
}
RemoteSink::~RemoteSink()
{
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
m_dataBlockMutex.lock();
if (m_dataBlock && !m_dataBlock->m_txControlBlock.m_complete) {
delete m_dataBlock;
}
m_dataBlockMutex.unlock();
m_deviceAPI->removeChannelAPI(this);
m_deviceAPI->removeThreadedSink(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
}
void RemoteSink::setTxDelay(int txDelay, int nbBlocksFEC)
{
double txDelayRatio = txDelay / 100.0;
int samplesPerBlock = RemoteNbBytesPerBlock / sizeof(Sample);
double delay = m_sampleRate == 0 ? 1.0 : (127*samplesPerBlock*txDelayRatio) / m_sampleRate;
delay /= 128 + nbBlocksFEC;
m_txDelay = roundf(delay*1e6); // microseconds
qDebug() << "RemoteSink::setTxDelay:"
<< " " << txDelay
<< "% m_txDelay: " << m_txDelay << "us"
<< " m_sampleRate: " << m_sampleRate << "S/s";
}
void RemoteSink::setNbBlocksFEC(int nbBlocksFEC)
{
qDebug() << "RemoteSink::setNbBlocksFEC: nbBlocksFEC: " << nbBlocksFEC;
m_nbBlocksFEC = nbBlocksFEC;
}
void RemoteSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
(void) firstOfBurst;
SampleVector::const_iterator it = begin;
while (it != end)
{
int inSamplesIndex = it - begin;
int inRemainingSamples = end - it;
if (m_txBlockIndex == 0)
{
struct timeval tv;
RemoteMetaDataFEC metaData;
gettimeofday(&tv, 0);
metaData.m_centerFrequency = m_centerFrequency;
metaData.m_sampleRate = m_sampleRate;
metaData.m_sampleBytes = (SDR_RX_SAMP_SZ <= 16 ? 2 : 4);
metaData.m_sampleBits = SDR_RX_SAMP_SZ;
metaData.m_nbOriginalBlocks = RemoteNbOrginalBlocks;
metaData.m_nbFECBlocks = m_nbBlocksFEC;
metaData.m_tv_sec = tv.tv_sec;
metaData.m_tv_usec = tv.tv_usec;
if (!m_dataBlock) { // on the very first cycle there is no data block allocated
m_dataBlock = new RemoteDataBlock();
}
boost::crc_32_type crc32;
crc32.process_bytes(&metaData, 20);
metaData.m_crc32 = crc32.checksum();
RemoteSuperBlock& superBlock = m_dataBlock->m_superBlocks[0]; // first block
superBlock.init();
superBlock.m_header.m_frameIndex = m_frameCount;
superBlock.m_header.m_blockIndex = m_txBlockIndex;
superBlock.m_header.m_sampleBytes = (SDR_RX_SAMP_SZ <= 16 ? 2 : 4);
superBlock.m_header.m_sampleBits = SDR_RX_SAMP_SZ;
RemoteMetaDataFEC *destMeta = (RemoteMetaDataFEC *) &superBlock.m_protectedBlock;
*destMeta = metaData;
if (!(metaData == m_currentMetaFEC))
{
qDebug() << "RemoteSink::feed: meta: "
<< "|" << metaData.m_centerFrequency
<< ":" << metaData.m_sampleRate
<< ":" << (int) (metaData.m_sampleBytes & 0xF)
<< ":" << (int) metaData.m_sampleBits
<< "|" << (int) metaData.m_nbOriginalBlocks
<< ":" << (int) metaData.m_nbFECBlocks
<< "|" << metaData.m_tv_sec
<< ":" << metaData.m_tv_usec;
m_currentMetaFEC = metaData;
}
m_txBlockIndex = 1; // next Tx block with data
} // block zero
// handle different sample sizes...
int samplesPerBlock = RemoteNbBytesPerBlock / (SDR_RX_SAMP_SZ <= 16 ? 4 : 8); // two I or Q samples
if (m_sampleIndex + inRemainingSamples < samplesPerBlock) // there is still room in the current super block
{
memcpy((void *) &m_superBlock.m_protectedBlock.buf[m_sampleIndex*sizeof(Sample)],
(const void *) &(*(begin+inSamplesIndex)),
inRemainingSamples * sizeof(Sample));
m_sampleIndex += inRemainingSamples;
it = end; // all input samples are consumed
}
else // complete super block and initiate the next if not end of frame
{
memcpy((void *) &m_superBlock.m_protectedBlock.buf[m_sampleIndex*sizeof(Sample)],
(const void *) &(*(begin+inSamplesIndex)),
(samplesPerBlock - m_sampleIndex) * sizeof(Sample));
it += samplesPerBlock - m_sampleIndex;
m_sampleIndex = 0;
m_superBlock.m_header.m_frameIndex = m_frameCount;
m_superBlock.m_header.m_blockIndex = m_txBlockIndex;
m_superBlock.m_header.m_sampleBytes = (SDR_RX_SAMP_SZ <= 16 ? 2 : 4);
m_superBlock.m_header.m_sampleBits = SDR_RX_SAMP_SZ;
m_dataBlock->m_superBlocks[m_txBlockIndex] = m_superBlock;
if (m_txBlockIndex == RemoteNbOrginalBlocks - 1) // frame complete
{
m_dataBlockMutex.lock();
m_dataBlock->m_txControlBlock.m_frameIndex = m_frameCount;
m_dataBlock->m_txControlBlock.m_processed = false;
m_dataBlock->m_txControlBlock.m_complete = true;
m_dataBlock->m_txControlBlock.m_nbBlocksFEC = m_nbBlocksFEC;
m_dataBlock->m_txControlBlock.m_txDelay = m_txDelay;
m_dataBlock->m_txControlBlock.m_dataAddress = m_dataAddress;
m_dataBlock->m_txControlBlock.m_dataPort = m_dataPort;
emit dataBlockAvailable(m_dataBlock);
m_dataBlock = new RemoteDataBlock(); // create a new one immediately
m_dataBlockMutex.unlock();
m_txBlockIndex = 0;
m_frameCount++;
}
else
{
m_txBlockIndex++;
}
}
}
}
void RemoteSink::start()
{
qDebug("RemoteSink::start");
memset((void *) &m_currentMetaFEC, 0, sizeof(RemoteMetaDataFEC));
if (m_running) {
stop();
}
m_sinkThread = new RemoteSinkThread();
connect(this,
SIGNAL(dataBlockAvailable(RemoteDataBlock *)),
m_sinkThread,
SLOT(processDataBlock(RemoteDataBlock *)),
Qt::QueuedConnection);
m_sinkThread->startStop(true);
m_running = true;
}
void RemoteSink::stop()
{
qDebug("RemoteSink::stop");
if (m_sinkThread != 0)
{
m_sinkThread->startStop(false);
m_sinkThread->deleteLater();
m_sinkThread = 0;
}
m_running = false;
}
bool RemoteSink::handleMessage(const Message& cmd)
{
(void) cmd;
if (DownChannelizer::MsgChannelizerNotification::match(cmd))
{
DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
qDebug() << "RemoteSink::handleMessage: MsgChannelizerNotification:"
<< " channelSampleRate: " << notif.getSampleRate()
<< " offsetFrequency: " << notif.getFrequencyOffset();
if (notif.getSampleRate() > 0) {
setSampleRate(notif.getSampleRate());
}
setTxDelay(m_settings.m_txDelay, m_settings.m_nbFECBlocks);
if (m_guiMessageQueue)
{
MsgSampleRateNotification *msg = MsgSampleRateNotification::create(notif.getSampleRate());
m_guiMessageQueue->push(msg);
}
return true;
}
else if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
qDebug() << "RemoteSink::handleMessage: DSPSignalNotification:"
<< " inputSampleRate: " << notif.getSampleRate()
<< " centerFrequency: " << notif.getCenterFrequency();
setCenterFrequency(notif.getCenterFrequency());
return true;
}
else if (MsgConfigureRemoteSink::match(cmd))
{
MsgConfigureRemoteSink& cfg = (MsgConfigureRemoteSink&) cmd;
qDebug() << "RemoteSink::handleMessage: MsgConfigureRemoteSink";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else
{
return false;
}
}
QByteArray RemoteSink::serialize() const
{
return m_settings.serialize();
}
bool RemoteSink::deserialize(const QByteArray& data)
{
(void) data;
if (m_settings.deserialize(data))
{
MsgConfigureRemoteSink *msg = MsgConfigureRemoteSink::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureRemoteSink *msg = MsgConfigureRemoteSink::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
}
void RemoteSink::applySettings(const RemoteSinkSettings& settings, bool force)
{
qDebug() << "RemoteSink::applySettings:"
<< " m_nbFECBlocks: " << settings.m_nbFECBlocks
<< " m_txDelay: " << settings.m_txDelay
<< " m_dataAddress: " << settings.m_dataAddress
<< " m_dataPort: " << settings.m_dataPort
<< " force: " << force;
QList<QString> reverseAPIKeys;
if ((m_settings.m_nbFECBlocks != settings.m_nbFECBlocks) || force)
{
reverseAPIKeys.append("nbFECBlocks");
setNbBlocksFEC(settings.m_nbFECBlocks);
setTxDelay(settings.m_txDelay, settings.m_nbFECBlocks);
}
if ((m_settings.m_txDelay != settings.m_txDelay) || force)
{
reverseAPIKeys.append("txDelay");
setTxDelay(settings.m_txDelay, settings.m_nbFECBlocks);
}
if ((m_settings.m_dataAddress != settings.m_dataAddress) || force)
{
reverseAPIKeys.append("dataAddress");
m_dataAddress = settings.m_dataAddress;
}
if ((m_settings.m_dataPort != settings.m_dataPort) || force)
{
reverseAPIKeys.append("dataPort");
m_dataPort = settings.m_dataPort;
}
if ((settings.m_useReverseAPI) && (reverseAPIKeys.size() != 0))
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
(m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
(m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
(m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex) ||
(m_settings.m_reverseAPIChannelIndex != settings.m_reverseAPIChannelIndex);
webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
}
m_settings = settings;
}
int RemoteSink::webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(void) errorMessage;
response.setRemoteSinkSettings(new SWGSDRangel::SWGRemoteSinkSettings());
response.getRemoteSinkSettings()->init();
webapiFormatChannelSettings(response, m_settings);
return 200;
}
int RemoteSink::webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(void) errorMessage;
RemoteSinkSettings settings = m_settings;
if (channelSettingsKeys.contains("nbFECBlocks"))
{
int nbFECBlocks = response.getRemoteSinkSettings()->getNbFecBlocks();
if ((nbFECBlocks < 0) || (nbFECBlocks > 127)) {
settings.m_nbFECBlocks = 8;
} else {
settings.m_nbFECBlocks = response.getRemoteSinkSettings()->getNbFecBlocks();
}
}
if (channelSettingsKeys.contains("txDelay"))
{
int txDelay = response.getRemoteSinkSettings()->getTxDelay();
if (txDelay < 0) {
settings.m_txDelay = 35;
} else {
settings.m_txDelay = txDelay;
}
}
if (channelSettingsKeys.contains("dataAddress")) {
settings.m_dataAddress = *response.getRemoteSinkSettings()->getDataAddress();
}
if (channelSettingsKeys.contains("dataPort"))
{
int dataPort = response.getRemoteSinkSettings()->getDataPort();
if ((dataPort < 1024) || (dataPort > 65535)) {
settings.m_dataPort = 9090;
} else {
settings.m_dataPort = dataPort;
}
}
if (channelSettingsKeys.contains("rgbColor")) {
settings.m_rgbColor = response.getRemoteSinkSettings()->getRgbColor();
}
if (channelSettingsKeys.contains("title")) {
settings.m_title = *response.getRemoteSinkSettings()->getTitle();
}
if (channelSettingsKeys.contains("useReverseAPI")) {
settings.m_useReverseAPI = response.getRemoteSinkSettings()->getUseReverseApi() != 0;
}
if (channelSettingsKeys.contains("reverseAPIAddress")) {
settings.m_reverseAPIAddress = *response.getRemoteSinkSettings()->getReverseApiAddress();
}
if (channelSettingsKeys.contains("reverseAPIPort")) {
settings.m_reverseAPIPort = response.getRemoteSinkSettings()->getReverseApiPort();
}
if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
settings.m_reverseAPIDeviceIndex = response.getRemoteSinkSettings()->getReverseApiDeviceIndex();
}
if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
settings.m_reverseAPIChannelIndex = response.getRemoteSinkSettings()->getReverseApiChannelIndex();
}
MsgConfigureRemoteSink *msg = MsgConfigureRemoteSink::create(settings, force);
m_inputMessageQueue.push(msg);
qDebug("RemoteSink::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureRemoteSink *msgToGUI = MsgConfigureRemoteSink::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
webapiFormatChannelSettings(response, settings);
return 200;
}
void RemoteSink::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const RemoteSinkSettings& settings)
{
response.getRemoteSinkSettings()->setNbFecBlocks(settings.m_nbFECBlocks);
response.getRemoteSinkSettings()->setTxDelay(settings.m_txDelay);
if (response.getRemoteSinkSettings()->getDataAddress()) {
*response.getRemoteSinkSettings()->getDataAddress() = settings.m_dataAddress;
} else {
response.getRemoteSinkSettings()->setDataAddress(new QString(settings.m_dataAddress));
}
response.getRemoteSinkSettings()->setDataPort(settings.m_dataPort);
response.getRemoteSinkSettings()->setRgbColor(settings.m_rgbColor);
if (response.getRemoteSinkSettings()->getTitle()) {
*response.getRemoteSinkSettings()->getTitle() = settings.m_title;
} else {
response.getRemoteSinkSettings()->setTitle(new QString(settings.m_title));
}
response.getRemoteSinkSettings()->setUseReverseApi(settings.m_useReverseAPI ? 1 : 0);
if (response.getRemoteSinkSettings()->getReverseApiAddress()) {
*response.getRemoteSinkSettings()->getReverseApiAddress() = settings.m_reverseAPIAddress;
} else {
response.getRemoteSinkSettings()->setReverseApiAddress(new QString(settings.m_reverseAPIAddress));
}
response.getRemoteSinkSettings()->setReverseApiPort(settings.m_reverseAPIPort);
response.getRemoteSinkSettings()->setReverseApiDeviceIndex(settings.m_reverseAPIDeviceIndex);
response.getRemoteSinkSettings()->setReverseApiChannelIndex(settings.m_reverseAPIChannelIndex);
}
void RemoteSink::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const RemoteSinkSettings& settings, bool force)
{
SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
swgChannelSettings->setTx(0);
swgChannelSettings->setChannelType(new QString("RemoteSink"));
swgChannelSettings->setRemoteSinkSettings(new SWGSDRangel::SWGRemoteSinkSettings());
SWGSDRangel::SWGRemoteSinkSettings *swgRemoteSinkSettings = swgChannelSettings->getRemoteSinkSettings();
// transfer data that has been modified. When force is on transfer all data except reverse API data
if (channelSettingsKeys.contains("nbFECBlocks") || force) {
swgRemoteSinkSettings->setNbFecBlocks(settings.m_nbFECBlocks);
}
if (channelSettingsKeys.contains("txDelay") || force)
{
swgRemoteSinkSettings->setTxDelay(settings.m_txDelay);
}
if (channelSettingsKeys.contains("dataAddress") || force) {
swgRemoteSinkSettings->setDataAddress(new QString(settings.m_dataAddress));
}
if (channelSettingsKeys.contains("dataPort") || force) {
swgRemoteSinkSettings->setDataPort(settings.m_dataPort);
}
if (channelSettingsKeys.contains("rgbColor") || force) {
swgRemoteSinkSettings->setRgbColor(settings.m_rgbColor);
}
if (channelSettingsKeys.contains("title") || force) {
swgRemoteSinkSettings->setTitle(new QString(settings.m_title));
}
QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/channel/%4/settings")
.arg(settings.m_reverseAPIAddress)
.arg(settings.m_reverseAPIPort)
.arg(settings.m_reverseAPIDeviceIndex)
.arg(settings.m_reverseAPIChannelIndex);
m_networkRequest.setUrl(QUrl(channelSettingsURL));
m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
QBuffer *buffer=new QBuffer();
buffer->open((QBuffer::ReadWrite));
buffer->write(swgChannelSettings->asJson().toUtf8());
buffer->seek(0);
// Always use PATCH to avoid passing reverse API settings
m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
delete swgChannelSettings;
}
void RemoteSink::networkManagerFinished(QNetworkReply *reply)
{
QNetworkReply::NetworkError replyError = reply->error();
if (replyError)
{
qWarning() << "RemoteSink::networkManagerFinished:"
<< " error(" << (int) replyError
<< "): " << replyError
<< ": " << reply->errorString();
return;
}
QString answer = reply->readAll();
answer.chop(1); // remove last \n
qDebug("RemoteSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
}
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