nymea-plugins/udpcommander/integrationpluginudpcommand...

127 lines
4.7 KiB
C++

// SPDX-License-Identifier: GPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-plugins.
*
* nymea-plugins is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nymea-plugins is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with nymea-plugins. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "integrationpluginudpcommander.h"
#include "plugininfo.h"
#include <integrations/thing.h>
IntegrationPluginUdpCommander::IntegrationPluginUdpCommander()
{
}
void IntegrationPluginUdpCommander::setupThing(ThingSetupInfo *info)
{
Thing *thing = info->thing();
qCDebug(dcUdpCommander()) << "Setup thing" << thing->name() << thing->params();
if (thing->thingClassId() == udpReceiverThingClassId) {
QUdpSocket *udpSocket = new QUdpSocket(this);
int port = thing->paramValue(udpReceiverThingPortParamTypeId).toInt();
if (!udpSocket->bind(QHostAddress::Any, port, QUdpSocket::ShareAddress)) {
qCWarning(dcUdpCommander()) << thing->name() << "cannot bind to port" << port;
delete udpSocket;
return info->finish(Thing::ThingErrorHardwareNotAvailable, QT_TR_NOOP("Error opening UDP port."));
}
qCDebug(dcUdpCommander()) << "Listening on port" << port;
connect(udpSocket, &QUdpSocket::readyRead, this, &IntegrationPluginUdpCommander::readPendingDatagrams);
m_receiverList.insert(udpSocket, thing);
return info->finish(Thing::ThingErrorNoError);
} else if (thing->thingClassId() == udpCommanderThingClassId) {
QUdpSocket *udpSocket = new QUdpSocket(this);
m_commanderList.insert(udpSocket, thing);
return info->finish(Thing::ThingErrorNoError);
}
}
void IntegrationPluginUdpCommander::executeAction(ThingActionInfo *info)
{
Thing *thing = info->thing();
Action action = info->action();
Q_ASSERT_X(action.actionTypeId() == udpCommanderTriggerActionTypeId, "UdpCommander", "Unhandled action type in UDP commander.");
QUdpSocket *udpSocket = m_commanderList.key(thing);
int port = thing->paramValue(udpCommanderThingPortParamTypeId).toInt();
QHostAddress address = QHostAddress(thing->paramValue(udpCommanderThingAddressParamTypeId).toString());
QByteArray data = action.param(udpCommanderTriggerActionDataParamTypeId).value().toByteArray();
qCDebug(dcUdpCommander()) << "Send UDP datagram:" << data << "address:" << address.toIPv4Address() << "port:" << port;
udpSocket->writeDatagram(data, address, port);
return info->finish(Thing::ThingErrorNoError);
}
void IntegrationPluginUdpCommander::thingRemoved(Thing *thing)
{
if (thing->thingClassId() == udpReceiverThingClassId) {
QUdpSocket *socket = m_receiverList.key(thing);
m_receiverList.remove(socket);
socket->close();
socket->deleteLater();
} else if (thing->thingClassId() == udpCommanderThingClassId) {
QUdpSocket *socket = m_commanderList.key(thing);
m_commanderList.remove(socket);
socket->close();
socket->deleteLater();
}
}
void IntegrationPluginUdpCommander::readPendingDatagrams()
{
qCDebug(dcUdpCommander()) << "UDP datagram received";
QUdpSocket *socket= static_cast<QUdpSocket *>(sender());
Thing *thing = m_receiverList.value(socket);
if (!thing) {
qCWarning(dcUdpCommander()) << "Received a datagram from a socket we don't know";
return;
}
QByteArray datagram;
QHostAddress sender;
quint16 senderPort = 0;
while (socket->hasPendingDatagrams()) {
datagram.resize(socket->pendingDatagramSize());
socket->readDatagram(datagram.data(), datagram.size(), &sender, &senderPort);
qCDebug(dcUdpCommander()) << "Incoming datatram" << datagram << "on" << thing->name() << "from" << sender.toString() << senderPort;
Event ev = Event(udpReceiverTriggeredEventTypeId, thing->id());
ParamList params;
params.append(Param(udpReceiverTriggeredEventDataParamTypeId, datagram));
ev.setParams(params);
emit emitEvent(ev);
// Send response for verification
socket->writeDatagram("OK\n", sender, senderPort);
}
}