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sdrangel/sdrdaemon/channel/sdrdaemonchannelsink.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Edouard Griffiths, F4EXB. //
// //
// SDRdaemon sink channel (Rx) //
// //
// SDRdaemon is a detached SDR front end that handles the interface with a //
// physical device and sends or receives the I/Q samples stream to or from a //
// 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 <sys/time.h>
#include <unistd.h>
#include <boost/crc.hpp>
#include <boost/cstdint.hpp>
#include "SWGChannelSettings.h"
#include "util/simpleserializer.h"
#include "dsp/threadedbasebandsamplesink.h"
#include "dsp/downchannelizer.h"
#include "dsp/dspcommands.h"
#include "device/devicesourceapi.h"
#include "channel/sdrdaemonchannelsinkthread.h"
#include "sdrdaemonchannelsink.h"
MESSAGE_CLASS_DEFINITION(SDRDaemonChannelSink::MsgConfigureSDRDaemonChannelSink, Message)
const QString SDRDaemonChannelSink::m_channelIdURI = "sdrangel.channel.sdrdaemonsink";
const QString SDRDaemonChannelSink::m_channelId = "SDRDaemonChannelSink";
SDRDaemonChannelSink::SDRDaemonChannelSink(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_sampleBytes(SDR_RX_SAMP_SZ == 24 ? 4 : 2),
m_nbBlocksFEC(0),
m_txDelay(100),
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_cm256p = m_cm256.isInitialized() ? &m_cm256 : 0;
}
SDRDaemonChannelSink::~SDRDaemonChannelSink()
{
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 SDRDaemonChannelSink::setTxDelay(int txDelay)
{
qDebug() << "SDRDaemonChannelSink::setTxDelay: txDelay: " << txDelay;
m_txDelay = txDelay;
}
void SDRDaemonChannelSink::setNbBlocksFEC(int nbBlocksFEC)
{
qDebug() << "SDRDaemonChannelSink::setNbBlocksFEC: nbBlocksFEC: " << nbBlocksFEC;
m_nbBlocksFEC = nbBlocksFEC;
}
void SDRDaemonChannelSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst __attribute__((unused)))
{
SampleVector::const_iterator it = begin;
while (it != end)
{
int inSamplesIndex = it - begin;
int inRemainingSamples = end - it;
if (m_txBlockIndex == 0)
{
struct timeval tv;
SDRDaemonMetaDataFEC metaData;
gettimeofday(&tv, 0);
metaData.m_centerFrequency = m_centerFrequency;
metaData.m_sampleRate = m_sampleRate;
metaData.m_sampleBytes = m_sampleBytes;
metaData.m_sampleBits = 0; // TODO: deprecated
metaData.m_nbOriginalBlocks = SDRDaemonNbOrginalBlocks;
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 SDRDaemonDataBlock();
}
boost::crc_32_type crc32;
crc32.process_bytes(&metaData, 20);
metaData.m_crc32 = crc32.checksum();
SDRDaemonSuperBlock& superBlock = m_dataBlock->m_superBlocks[0]; // first block
superBlock.init();
superBlock.m_header.m_frameIndex = m_frameCount;
superBlock.m_header.m_blockIndex = m_txBlockIndex;
memcpy((void *) &superBlock.m_protectedBlock, (const void *) &metaData, sizeof(SDRDaemonMetaDataFEC));
if (!(metaData == m_currentMetaFEC))
{
qDebug() << "SDRDaemonChannelSink::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
// TODO: handle different sample sizes...
if (m_sampleIndex + inRemainingSamples < SDRDaemonSamplesPerBlock) // there is still room in the current super block
{
memcpy((void *) &m_superBlock.m_protectedBlock.m_samples[m_sampleIndex],
(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.m_samples[m_sampleIndex],
(const void *) &(*(begin+inSamplesIndex)),
(SDRDaemonSamplesPerBlock - m_sampleIndex) * sizeof(Sample));
it += SDRDaemonSamplesPerBlock - m_sampleIndex;
m_sampleIndex = 0;
m_superBlock.m_header.m_frameIndex = m_frameCount;
m_superBlock.m_header.m_blockIndex = m_txBlockIndex;
m_dataBlock->m_superBlocks[m_txBlockIndex] = m_superBlock;
if (m_txBlockIndex == SDRDaemonNbOrginalBlocks - 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;
m_dataQueue.push(m_dataBlock);
m_dataBlock = new SDRDaemonDataBlock(); // create a new one immediately
m_dataBlockMutex.unlock();
m_txBlockIndex = 0;
m_frameCount++;
}
else
{
m_txBlockIndex++;
}
}
}
}
void SDRDaemonChannelSink::start()
{
qDebug("SDRDaemonChannelSink::start");
memset((void *) &m_currentMetaFEC, 0, sizeof(SDRDaemonMetaDataFEC));
if (m_running) {
stop();
}
m_sinkThread = new SDRDaemonChannelSinkThread(&m_dataQueue, m_cm256p);
m_sinkThread->startStop(true);
m_running = true;
}
void SDRDaemonChannelSink::stop()
{
qDebug("SDRDaemonChannelSink::stop");
if (m_sinkThread != 0)
{
m_sinkThread->startStop(false);
m_sinkThread->deleteLater();
m_sinkThread = 0;
}
m_running = false;
}
bool SDRDaemonChannelSink::handleMessage(const Message& cmd __attribute__((unused)))
{
if (DownChannelizer::MsgChannelizerNotification::match(cmd))
{
DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
qDebug() << "SDRDaemonChannelSink::handleMessage: MsgChannelizerNotification:"
<< " channelSampleRate: " << notif.getSampleRate()
<< " offsetFrequency: " << notif.getFrequencyOffset();
if (notif.getSampleRate() > 0) {
setSampleRate(notif.getSampleRate());
}
return true;
}
else if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
qDebug() << "SDRDaemonChannelSink::handleMessage: DSPSignalNotification:"
<< " inputSampleRate: " << notif.getSampleRate()
<< " centerFrequency: " << notif.getCenterFrequency();
setCenterFrequency(notif.getCenterFrequency());
return true;
}
else if (MsgConfigureSDRDaemonChannelSink::match(cmd))
{
MsgConfigureSDRDaemonChannelSink& cfg = (MsgConfigureSDRDaemonChannelSink&) cmd;
qDebug() << "SDRDaemonChannelSink::handleMessage: MsgConfigureSDRDaemonChannelSink";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else
{
return false;
}
}
QByteArray SDRDaemonChannelSink::serialize() const
{
return m_settings.serialize();
}
bool SDRDaemonChannelSink::deserialize(const QByteArray& data __attribute__((unused)))
{
if (m_settings.deserialize(data))
{
MsgConfigureSDRDaemonChannelSink *msg = MsgConfigureSDRDaemonChannelSink::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureSDRDaemonChannelSink *msg = MsgConfigureSDRDaemonChannelSink::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
}
void SDRDaemonChannelSink::applySettings(const SDRDaemonChannelSinkSettings& settings, bool force)
{
qDebug() << "SDRDaemonChannelSink::applySettings:"
<< " m_nbFECBlocks: " << settings.m_nbFECBlocks
<< " m_txDelay: " << settings.m_txDelay
<< " m_dataAddress: " << settings.m_dataAddress
<< " m_dataPort: " << settings.m_dataPort
<< " force: " << force;
if ((m_settings.m_nbFECBlocks != settings.m_nbFECBlocks) || force) {
m_nbBlocksFEC = settings.m_nbFECBlocks;
}
if ((m_settings.m_txDelay != settings.m_txDelay) || force) {
m_txDelay = settings.m_txDelay;
}
if ((m_settings.m_dataAddress != settings.m_dataAddress) || force) {
m_dataAddress = settings.m_dataAddress;
}
if ((m_settings.m_dataPort != settings.m_dataPort) || force) {
m_dataPort = settings.m_dataPort;
}
m_settings = settings;
}
int SDRDaemonChannelSink::webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage __attribute__((unused)))
{
response.setSdrDaemonChannelSinkSettings(new SWGSDRangel::SWGSDRDaemonChannelSinkSettings());
response.getSdrDaemonChannelSinkSettings()->init();
webapiFormatChannelSettings(response, m_settings);
return 200;
}
int SDRDaemonChannelSink::webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage __attribute__((unused)))
{
SDRDaemonChannelSinkSettings settings = m_settings;
if (channelSettingsKeys.contains("nbFECBlocks"))
{
int nbFECBlocks = response.getSdrDaemonChannelSinkSettings()->getNbFecBlocks();
if ((nbFECBlocks < 0) || (nbFECBlocks > 127)) {
settings.m_nbFECBlocks = 8;
} else {
settings.m_nbFECBlocks = response.getSdrDaemonChannelSinkSettings()->getNbFecBlocks();
}
}
if (channelSettingsKeys.contains("txDelay"))
{
int txDelay = response.getSdrDaemonChannelSinkSettings()->getTxDelay();
if (txDelay < 0) {
settings.m_txDelay = 100;
} else {
settings.m_txDelay = txDelay;
}
}
if (channelSettingsKeys.contains("dataAddress")) {
settings.m_dataAddress = *response.getSdrDaemonChannelSinkSettings()->getDataAddress();
}
if (channelSettingsKeys.contains("dataPort"))
{
int dataPort = response.getSdrDaemonChannelSinkSettings()->getDataPort();
if ((dataPort < 1024) || (dataPort > 65535)) {
settings.m_dataPort = 9090;
} else {
settings.m_dataPort = dataPort;
}
}
MsgConfigureSDRDaemonChannelSink *msg = MsgConfigureSDRDaemonChannelSink::create(settings, force);
m_inputMessageQueue.push(msg);
qDebug("SDRDaemonChannelSink::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureSDRDaemonChannelSink *msgToGUI = MsgConfigureSDRDaemonChannelSink::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
webapiFormatChannelSettings(response, settings);
return 200;
}
void SDRDaemonChannelSink::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const SDRDaemonChannelSinkSettings& settings)
{
response.getSdrDaemonChannelSinkSettings()->setNbFecBlocks(settings.m_nbFECBlocks);
response.getSdrDaemonChannelSinkSettings()->setTxDelay(settings.m_txDelay);
if (response.getSdrDaemonChannelSinkSettings()->getDataAddress()) {
*response.getSdrDaemonChannelSinkSettings()->getDataAddress() = settings.m_dataAddress;
} else {
response.getSdrDaemonChannelSinkSettings()->setDataAddress(new QString(settings.m_dataAddress));
}
response.getSdrDaemonChannelSinkSettings()->setDataPort(settings.m_dataPort);
}
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