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https://github.com/hyperion-project/hyperion.ng.git
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Udplistener start/stop during runtime (#56)
* start implementening runtime start/stop for udplistener * add signal slots for start/stop/statusChanged for better connectivity with other qt stuff * fix typo
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@ -6,6 +6,7 @@
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// Qt includes
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#include <QUdpSocket>
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#include <QSet>
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#include <QHostAddress>
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// Hyperion includes
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#include <hyperion/Hyperion.h>
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@ -33,6 +34,25 @@ public:
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/// @return the port number on which this UDP listens for incoming connections
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///
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uint16_t getPort() const;
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///
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/// @return true if server is active (bind to a port)
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///
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bool active() { return _isActive; };
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public slots:
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///
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/// bind server to network
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///
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void start();
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///
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/// close server
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///
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void stop();
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signals:
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void statusChanged(bool isActive);
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private slots:
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///
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@ -41,7 +61,6 @@ private slots:
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void readPendingDatagrams();
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void processTheDatagram(const QByteArray * _datagram);
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private:
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/// Hyperion instance
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Hyperion * _hyperion;
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@ -58,9 +77,17 @@ private:
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/// hyperion priority
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int _timeout;
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/// The latest led color data
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std::vector<ColorRgb> _ledColors;
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/// The latest led color data
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std::vector<ColorRgb> _ledColors;
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/// Logger instance
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Logger * _log;
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/// state of connection
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bool _isActive;
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/// address to bind
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QHostAddress _listenAddress;
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quint16 _listenPort;
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QAbstractSocket::BindFlag _bondage;
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};
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@ -18,38 +18,14 @@ UDPListener::UDPListener(const int priority, const int timeout, const std::strin
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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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_log(Logger::getInstance("UDPLISTENER")),
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_isActive(false),
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_bondage(shared ? QAbstractSocket::ShareAddress : QAbstractSocket::DefaultForPlatform)
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{
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_server = new QUdpSocket(this);
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QAbstractSocket::BindFlag bondage = QAbstractSocket::DefaultForPlatform;
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if (shared) {
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bondage = QAbstractSocket::ShareAddress;
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}
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QHostAddress listenAddress = QHostAddress(QHostAddress::Any);
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QHostAddress mcastGroup;
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if (!address.empty()) {
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listenAddress = QHostAddress( QString::fromStdString(address) );
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}
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if (listenAddress.isInSubnet(QHostAddress::parseSubnet("224.0.0.0/4"))) {
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mcastGroup = listenAddress;
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listenAddress = QHostAddress(QHostAddress::AnyIPv4);
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}
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if (!_server->bind(listenAddress, listenPort, bondage))
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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 (!mcastGroup.isNull()) {
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if (_server->joinMulticastGroup(mcastGroup)) {
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Info(_log, "Multicast listening on %s",mcastGroup.toString().toStdString().c_str());
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} else {
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Warning(_log, "Multicast failed for %s", mcastGroup.toString().toStdString().c_str());
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}
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}
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}
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QHostAddress listenAddress = address.empty()
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? QHostAddress::AnyIPv4
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: QHostAddress( QString::fromStdString(address) );
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// Set trigger for incoming connections
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connect(_server, SIGNAL(readyRead()), this, SLOT(readPendingDatagrams()));
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@ -58,9 +34,50 @@ UDPListener::UDPListener(const int priority, const int timeout, const std::strin
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UDPListener::~UDPListener()
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{
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// clear the current channel
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stop();
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delete _server;
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_hyperion->clear(_priority);
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}
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void UDPListener::start()
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{
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if ( active() )
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return;
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QHostAddress mcastGroup;
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if (_listenAddress.isInSubnet(QHostAddress::parseSubnet("224.0.0.0/4"))) {
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mcastGroup = _listenAddress;
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}
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if (!_server->bind(_listenAddress, _listenPort, _bondage))
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{
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Warning(_log, "Could not bind to %s:%d", _listenAddress.toString().toStdString().c_str(), _listenPort);
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}
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else
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{
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Info(_log, "Started, listening on %s:%d", _listenAddress.toString().toStdString().c_str(), _listenPort);
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if (!mcastGroup.isNull()) {
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bool joinGroupOK = _server->joinMulticastGroup(_listenAddress);
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InfoIf ( joinGroupOK, _log, "Multicast enabled");
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WarningIf( ! joinGroupOK, _log, "Multicast failed");
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}
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_isActive = true;
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emit statusChanged(_isActive);
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}
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}
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void UDPListener::stop()
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{
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if ( ! active() )
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return;
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_server->close();
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_isActive = false;
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emit statusChanged(_isActive);
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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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@ -245,16 +245,19 @@ void HyperionDaemon::startNetworkServices()
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if (_config.isMember("udpListener"))
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{
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const Json::Value & udpListenerConfig = _config["udpListener"];
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_udpListener = new UDPListener(
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udpListenerConfig.get("priority",700).asInt(),
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udpListenerConfig.get("timeout",10000).asInt(),
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udpListenerConfig.get("address", "").asString(),
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udpListenerConfig.get("port", 2801).asUInt(),
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udpListenerConfig.get("shared", false).asBool()
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);
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Info(_log, "UDP listener created on port %d", _udpListener->getPort());
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if ( udpListenerConfig.get("enable", true).asBool() )
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{
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_udpListener = new UDPListener(
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udpListenerConfig.get("priority",700).asInt(),
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udpListenerConfig.get("timeout",10000).asInt(),
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udpListenerConfig.get("address", "").asString(),
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udpListenerConfig.get("port", 2801).asUInt(),
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udpListenerConfig.get("shared", false).asBool()
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);
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Info(_log, "UDP listener created and started on port %d", _udpListener->getPort());
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Info(_log, "UDP listener started" );
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_udpListener->start();
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}
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}
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