123 lines
4.0 KiB
C++
Executable File
123 lines
4.0 KiB
C++
Executable File
/**
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* Send / Receive telegrams to/from Wls
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* $Id$
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* $HeadURL$
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* $Author$
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* Created by Christian Ehrlicher, SLSE, 2016-09-26
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*/
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#include "wls_dispatcher.h"
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#include "wls_handler_rx.h"
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#include "wls_handler_tx.h"
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#include <QSettings>
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#include <QWebSocket>
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#include <QTimer>
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#include <nglsettings/nglsettings_settings.h>
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namespace WlsTetra
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{
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WlsDispatcher::WlsDispatcher(TrainingAreaBase::Plugin::DataProvider *pdp,
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const std::shared_ptr<TrainingAreaBase::RecvFromTab> &recvFromTabCb,
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NGL::Settings *settings)
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: m_recvFromTabCb(recvFromTabCb)
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, m_recvFromWls(std::make_shared<WlsHandlerRx>(recvFromTabCb, this))
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, m_sendToWls(std::make_shared<WlsHandlerTx>(pdp, this))
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, m_settings(settings)
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, m_webSocket(new QWebSocket(QString(), QWebSocketProtocol::VersionLatest, this))
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, m_webSocketReconnectTimer(new QTimer(this))
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, m_bWarnedOnce(false)
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, m_logger(getLogger("WlsDispatcher"))
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{
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connect(m_webSocket, QOverload<QAbstractSocket::SocketError>::of(&QWebSocket::error),
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this, &WlsDispatcher::onWebSocketError);
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connect(m_webSocket, &QWebSocket::connected,
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this, &WlsDispatcher::onWlsConnected);
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connect(m_webSocket, &QWebSocket::disconnected,
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this, &WlsDispatcher::onWlsDisconnected);
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connect(m_webSocket, &QWebSocket::textMessageReceived,
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this, &WlsDispatcher::onTextMessageReceived);
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connect(m_webSocketReconnectTimer, &QTimer::timeout,
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this, &WlsDispatcher::init);
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connect(m_recvFromWls.get(), &WlsHandlerRx::participantConnectionState,
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m_sendToWls.get(), &WlsHandlerTx::onParticipantConnectionState);
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}
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bool WlsDispatcher::init()
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{
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emit connectionState(QString::fromUtf8(name()), false);
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const QUrl url(webSocketUrl());
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if (!m_bWarnedOnce)
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NOTICE_LOG(m_logger) << "Using WebSocket url: " << url.toString();
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m_webSocket->open(url);
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return true;
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}
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std::shared_ptr<TrainingAreaBase::SendToTab> WlsDispatcher::sendToTab()
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{
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return std::static_pointer_cast<TrainingAreaBase::SendToTab>(m_sendToWls);
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}
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bool WlsDispatcher::canSendData() const
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{
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return m_webSocket && m_webSocket->state() == QAbstractSocket::ConnectedState;
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}
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void WlsDispatcher::onWlsConnected()
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{
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QWebSocket *ws = qobject_cast<QWebSocket *>(sender());
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m_sendToWls->onWlsConnected(ws);
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m_webSocketReconnectTimer->stop();
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m_bWarnedOnce = false;
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}
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void WlsDispatcher::onWlsDisconnected()
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{
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INFO_LOG(m_logger) << "Wls socket disconnected";
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m_webSocketReconnectTimer->start(5000);
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m_sendToWls->onWlsDisconnected();
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emit connectionState(QString::fromUtf8(name()), false);
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}
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void WlsDispatcher::onWlsExternalConnectionStateChanged(bool bConnected)
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{
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m_sendToWls->onWlsConnectedToExternalSystem(bConnected);
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emit connectionState(QString::fromUtf8(name()), bConnected);
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}
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void WlsDispatcher::onWebSocketError()
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{
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if (!m_webSocket)
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return;
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if (!m_bWarnedOnce)
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WARNING_LOG(m_logger) << "Error connecting to " << webSocketUrl().toString() << ": " << m_webSocket->errorString();
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m_webSocket->close();
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m_webSocketReconnectTimer->start(5000);
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m_bWarnedOnce = true;
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emit connectionState(QString::fromUtf8(name()), false);
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}
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void WlsDispatcher::onTextMessageReceived(const QString &message)
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{
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// convert from json to internal representation, send to TAB
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m_recvFromWls->handleTelegram(message.toUtf8());
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}
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void WlsDispatcher::onParticipantLicenseChange(const TrainingAreaBase::TetraIcd::ParticipantLicenseChange &lc)
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{
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INFO_LOG(m_logger) << "onParticipantLicenseChange id=" << lc.id()
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<< " equipmentNumber=" << lc.equipmentNumber;
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m_recvFromWls->participantLicenseChange(lc);
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}
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QUrl WlsDispatcher::webSocketUrl() const
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{
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const quint16 port = m_settings->settings()->value(QStringLiteral("WLS/webSocketListenPort"), 12346).toInt();
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const QString addr = m_settings->settings()->value(QStringLiteral("WLS/webSocketHostname"), QStringLiteral("localhost")).toString();
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return QUrl(QStringLiteral("ws://%1:%2/").arg(addr).arg(port));
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}
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} // namespace WlsTetra
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