Tunnel Client Example

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#include <QtCore/QDebug> #include <QtCore/QCommandLineParser> #include <QtCore/QCoreApplication> #include <QtKnx/QKnxByteArray> #include <QtKnx/QKnxLinkLayerFrameBuilder> #include <QtKnx/QKnxNetIpTunnel> #include <QtNetwork/QNetworkInterface> #ifdef Q_OS_WIN # include <QtCore/QWinEventNotifier> # include <windows.h> #else # include <QtCore/QSocketNotifier> # include <unistd.h> #endif int main(int argc, char *argv[]) { QCoreApplication app(argc, argv); QCoreApplication::setApplicationVersion("1.0"); QCommandLineParser parser; parser.addHelpOption(); parser.addOptions({ { { "t", "timeout" }, "The heartbeat timeout in seconds.", "timeout", "60" }, { { "n", "nat" }, "Use Network Address Translation to traverse across network routers." }, { "localAddress", "The local IP address used for the control endpoint.", "localAddress", "" }, { "localPort", "The local UDP port used for the control endpoint.", "localPort", "0" }, { "remoteAddress", "The remote IP address used by the server the control endpoint.", "remoteAddress" }, { "remotePort", "The remote UDP port used by the server the control endpoint.", "remotePort", "3671" } }); parser.process(app); QKnxNetIpTunnel tunnel; tunnel.setNatAware(parser.isSet("nat")); tunnel.setLocalPort(parser.value("localPort").toUInt()); tunnel.setHeartbeatTimeout(parser.value("timeout").toInt() * 1000); tunnel.setLocalAddress(QHostAddress(parser.value("localAddress"))); QObject::connect(&tunnel, &QKnxNetIpTunnel::disconnected, &app, &QCoreApplication::quit); tunnel.connectToHost(QHostAddress(parser.value("remoteAddress")), parser.value("remotePort").toUInt()); QTextStream input(stdin, QIODevice::ReadOnly); #ifdef Q_OS_WIN QWinEventNotifier notifier(GetStdHandle(STD_INPUT_HANDLE)); QObject::connect(&notifier, &QWinEventNotifier::activated, [&](HANDLE) { #else QSocketNotifier notifier(STDIN_FILENO, QSocketNotifier::Read); QObject::connect(&notifier, &QSocketNotifier::activated, [&](int) { #endif auto tmp = input.readLine().toLatin1(); if (tmp != "quit") { const auto bytes = QKnxByteArray::fromHex(tmp); auto frame = QKnxLinkLayerFrame::builder() .setData(bytes) .setMedium(QKnx::MediumType::NetIP) .createFrame(); tunnel.sendFrame(frame); } else { tunnel.disconnectFromHost(); } }); if (tunnel.error() == QKnxNetIpTunnel::Error::None) { qInfo().noquote() << "Type 'quit' to stop the application."; app.exec(); } else { qInfo().noquote() << tunnel.error() << tunnel.errorString(); } return 0; }