97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
#include "qsacnnode.h"
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#include <QDebug>
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#include <QNetworkDatagram>
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#include <QNetworkInterface>
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/**
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* @brief QSacnNode::QSacnNode
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* @param parent
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* @param cid
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*/
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QSacnNode::QSacnNode(QObject *parent, QUuid cid)
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: Appliance(UUID::uuid(cid.toString().toStdString()))
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, QUdpSocket(parent)
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{
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fctn_ = "libESTA QSacnNode";
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bind(QHostAddress::AnyIPv4, SACN::ACN_SDT_MULTICAST_PORT);
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connect(this, &QUdpSocket::readyRead,
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this, &QSacnNode::udpReceive);
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onDiscovered(std::bind(&QSacnNode::emitFound, this,
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std::placeholders::_1));
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}
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/**
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* @brief QSacnNode::subscribe
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* @param num
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*/
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void QSacnNode::subscribe(const uint16_t num)
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{
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if (Receiver::universe(num)) // already subscribed
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return;
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if (num != SACN::E131_DISCOVERY_UNIVERSE) {
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qDebug() << "Subscribing to universe" << QString::number(num);
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Receiver::subscribe(num);
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universes_.insert(num, new QSacnUniverse(this, Receiver::universe(num)));
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}
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for (QNetworkInterface &iface : QNetworkInterface::allInterfaces())
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joinMulticastGroup(IPv4MulticastAddress(num), iface);
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}
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/**
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* @brief QSacnNode::unsubscribe
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* @param num
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*/
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void QSacnNode::unsubscribe(const uint16_t num)
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{
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for (QNetworkInterface &iface : QNetworkInterface::allInterfaces())
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leaveMulticastGroup(IPv4MulticastAddress(num), iface);
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if (Receiver::universe(num)) {
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qDebug() << "Unsubscribing from universe " << QString::number(num);
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delete universes_.take(num);
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Receiver::unsubscribe(num);
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}
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}
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/**
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* @brief QSacnNode::UdpPayloadReceiver
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*/
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void QSacnNode::udpReceive()
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{
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while (hasPendingDatagrams()) {
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QNetworkDatagram datagram = receiveDatagram();
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// Expecting IANA registered Session Data Transport traffic
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if (datagram.destinationPort() != SACN::ACN_SDT_MULTICAST_PORT)
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return;
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// wrap a PDU io stream around the QNetworkDatagram data buffer
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ACN::PDU::Stream stream(new ACN::PDU::pdu_stream(
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(uint8_t*)datagram.data().constData(),
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datagram.data().length()));
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UdpPayloadReceiver(stream);
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}
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}
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/**
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* @brief QSacnNode::emitFound
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* @param univ
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*
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* wrap data change callback to a Qt signal
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*/
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void QSacnNode::emitFound(
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std::shared_ptr<SACN::EXTENDED::DISCOVERY::discoveredUniverse> univ)
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{
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qDebug() << "found universe " << QString::number(univ->universe);
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emit foundUniverse(univ);
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}
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