nymea-plugins/keba/kecontactdatalayer.cpp

98 lines
3.6 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2021, nymea GmbH
* Contact: contact@nymea.io
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* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU Lesser General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; version 3. This project 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
* Lesser General Public License for more details.
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#include "kecontactdatalayer.h"
#include "extern-plugininfo.h"
KeContactDataLayer::KeContactDataLayer(QObject *parent) : QObject(parent)
{
qCDebug(dcKeba()) << "KeContactDataLayer: Creating UDP socket";
m_udpSocket = new QUdpSocket(this);
connect(m_udpSocket, &QUdpSocket::readyRead, this, &KeContactDataLayer::readPendingDatagrams);
connect(m_udpSocket, &QUdpSocket::stateChanged, this, &KeContactDataLayer::onSocketStateChanged);
connect(m_udpSocket, SIGNAL(error(QAbstractSocket::SocketError)),this, SLOT(onSocketError(QAbstractSocket::SocketError)));
}
KeContactDataLayer::~KeContactDataLayer()
{
qCDebug(dcKeba()) << "KeContactDataLayer: Deleting UDP socket";
}
bool KeContactDataLayer::init()
{
m_udpSocket->close();
m_initialized = false;
if (!m_udpSocket->bind(QHostAddress::AnyIPv4, m_port, QAbstractSocket::ShareAddress)) {
qCWarning(dcKeba()) << "KeContactDataLayer: Cannot bind to port" << m_port;
return false;
}
m_initialized = true;
return true;
}
bool KeContactDataLayer::initialized() const
{
return m_initialized;
}
void KeContactDataLayer::write(const QHostAddress &address, const QByteArray &data)
{
qCDebug(dcKeba()) << "KeContactDataLayer: -->" << address.toString() << data;
m_udpSocket->writeDatagram(data, address, m_port);
}
void KeContactDataLayer::readPendingDatagrams()
{
QUdpSocket *socket= qobject_cast<QUdpSocket*>(sender());
QByteArray datagram;
QHostAddress senderAddress;
quint16 senderPort;
while (socket->hasPendingDatagrams()) {
datagram.resize(socket->pendingDatagramSize());
socket->readDatagram(datagram.data(), datagram.size(), &senderAddress, &senderPort);
qCDebug(dcKeba()) << "KeContactDataLayer: <--" << senderAddress.toString() << datagram;
emit datagramReceived(senderAddress, datagram);
}
}
void KeContactDataLayer::onSocketError(QAbstractSocket::SocketError error)
{
qCWarning(dcKeba()) << "KeContactDataLayer: Socket error" << error;
}
void KeContactDataLayer::onSocketStateChanged(QAbstractSocket::SocketState socketState)
{
qCDebug(dcKeba()) << "KeContactDataLayer: Socket state changed" << socketState;
}