115 lines
3.6 KiB
C++
Executable File
115 lines
3.6 KiB
C++
Executable File
/**
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* Send / Receive telegrams to/from Hla
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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 "hla_dispatcher.h"
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#include "hla_handler_rx.h"
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#include "hla_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 HlaJson
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{
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HlaDispatcher::HlaDispatcher(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_recvFromHla(std::make_shared<HlaHandlerRx>(recvFromTabCb, this))
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, m_sendToHla(std::make_shared<HlaHandlerTx>(pdp))
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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("HlaDispatcher"))
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{
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connect(m_webSocket, QOverload<QAbstractSocket::SocketError>::of(&QWebSocket::error),
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this, &HlaDispatcher::onWebSocketError);
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connect(m_webSocket, &QWebSocket::connected,
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this, &HlaDispatcher::onHlaConnected);
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connect(m_webSocket, &QWebSocket::disconnected,
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this, &HlaDispatcher::onHlaDisconnected);
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connect(m_webSocket, &QWebSocket::textMessageReceived,
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this, &HlaDispatcher::onTextMessageReceived);
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connect(m_webSocketReconnectTimer, &QTimer::timeout,
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this, &HlaDispatcher::init);
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connect(m_recvFromHla.get(), &HlaHandlerRx::participantConnectionState,
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m_sendToHla.get(), &HlaHandlerTx::onParticipantConnectionState);
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}
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bool HlaDispatcher::init()
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{
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// TODO
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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> HlaDispatcher::sendToTab()
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{
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return std::static_pointer_cast<TrainingAreaBase::SendToTab>(m_sendToHla);
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}
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bool HlaDispatcher::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 HlaDispatcher::onHlaConnected()
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{
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QWebSocket *ws = qobject_cast<QWebSocket *>(sender());
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m_sendToHla->onHlaConnected(ws);
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m_webSocketReconnectTimer->stop();
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m_bWarnedOnce = false;
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}
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void HlaDispatcher::onHlaDisconnected()
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{
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INFO_LOG(m_logger) << "Hla socket disconnected";
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m_webSocketReconnectTimer->start(5000);
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m_sendToHla->onHlaDisconnected();
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emit connectionState(QString::fromUtf8(name()), false);
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}
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void HlaDispatcher::onHlaExternalConnectionStateChanged(bool bConnected)
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{
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m_sendToHla->onHlaConnectedToExternalSystem(bConnected);
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emit connectionState(QString::fromUtf8(name()), bConnected);
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}
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void HlaDispatcher::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 HlaDispatcher::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_recvFromHla->handleTelegram(message.toUtf8());
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}
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QUrl HlaDispatcher::webSocketUrl() const
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{
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const quint16 port = m_settings->settings()->value(QStringLiteral("hla/webSocketListenPort"), 12347).toInt();
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const QString addr = m_settings->settings()->value(QStringLiteral("hla/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 HlaJson
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