mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2025-03-01 10:33:28 +00:00
0b59614ab3
- uses new logger - can specifiy which ip address to listen on - if its a multicast address, multicast is enabled
96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
// system includes
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#include <stdexcept>
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// project includes
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#include <udplistener/UDPListener.h>
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// hyperion util includes
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#include "hyperion/ImageProcessorFactory.h"
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#include "hyperion/ImageProcessor.h"
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#include "utils/ColorRgb.h"
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#include "HyperionConfig.h"
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UDPListener::UDPListener(const int priority, const int timeout, const std::string& address, quint16 listenPort) :
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QObject(),
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_hyperion(Hyperion::getInstance()),
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_server(),
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_openConnections(),
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_priority(priority),
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_timeout(timeout),
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_ledColors(Hyperion::getInstance()->getLedCount(), ColorRgb::BLACK),
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_log(Logger::getInstance("UDPLISTENER"))
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{
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_server = new QUdpSocket(this);
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QHostAddress listenAddress = QHostAddress(QHostAddress::Any);
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if (address.empty()) {
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listenAddress = QHostAddress::Any;
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} else {
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listenAddress = QHostAddress( QString::fromStdString(address) );
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}
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if (!_server->bind(listenAddress, listenPort))
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{
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Warning(_log, "Could not bind to %s:%d parsed from %s", listenAddress.toString().toStdString().c_str(), listenPort, address.c_str());
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} else {
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Info(_log, "Started, listening on %s:%d", listenAddress.toString().toStdString().c_str(), listenPort);
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// if (listenAddress.QHostAddress::isMulticast() ) { // needs qt >= 5.6
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if (listenAddress.isInSubnet(QHostAddress::parseSubnet("224.0.0.0/4"))) {
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if (_server->joinMulticastGroup(listenAddress)) {
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Info(_log, "Multicast enabled");
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} else {
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Warning(_log, "Multicast failed");
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}
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}
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}
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// Set trigger for incoming connections
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connect(_server, SIGNAL(readyRead()), this, SLOT(readPendingDatagrams()));
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}
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UDPListener::~UDPListener()
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{
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// clear the current channel
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_hyperion->clear(_priority);
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}
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uint16_t UDPListener::getPort() const
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{
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return _server->localPort();
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}
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void UDPListener::readPendingDatagrams()
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{
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while (_server->hasPendingDatagrams()) {
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QByteArray datagram;
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datagram.resize(_server->pendingDatagramSize());
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QHostAddress sender;
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quint16 senderPort;
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_server->readDatagram(datagram.data(), datagram.size(),
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&sender, &senderPort);
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processTheDatagram(&datagram);
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}
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}
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void UDPListener::processTheDatagram(const QByteArray * datagram)
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{
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int packlen = datagram->size()/3;
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int ledlen = _ledColors.size();
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int maxled = std::min(packlen , ledlen);
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for (int ledIndex=0; ledIndex < maxled; ledIndex++) {
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ColorRgb & rgb = _ledColors[ledIndex];
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rgb.red = datagram->at(ledIndex*3+0);
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rgb.green = datagram->at(ledIndex*3+1);
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rgb.blue = datagram->at(ledIndex*3+2);
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}
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_hyperion->setColors(_priority, _ledColors, _timeout, -1);
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}
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