QTfrontend/netudpwidget.cpp
author displacer
Thu, 08 Feb 2007 20:11:11 +0000
changeset 418 595a868918be
parent 417 bc7fea9abd9c
child 421 ebd79d171804
permissions -rw-r--r--
update net servers when going to net page
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#include <QUdpSocket>
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#include <QListWidget>
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#include "netudpwidget.h"
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#include <QDebug>
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HWNetUdpWidget::HWNetUdpWidget(QWidget* parent) :
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  QWidget(parent), mainLayout(this)
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{
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  serversList = new QListWidget(this);
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  mainLayout.addWidget(serversList);
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  pUdpSocket = new QUdpSocket(this);
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  pUdpSocket->bind();
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  connect(pUdpSocket, SIGNAL(readyRead()), this, SLOT(onClientRead()));
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  updateList();
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}
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void HWNetUdpWidget::updateList()
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{
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  serversList->clear();
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  pUdpSocket->writeDatagram("hedgewars client", QHostAddress::Broadcast, 46631);
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}
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void HWNetUdpWidget::onClientRead()
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{
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  while (pUdpSocket->hasPendingDatagrams()) {
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    QByteArray datagram;
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    datagram.resize(pUdpSocket->pendingDatagramSize());
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    QHostAddress clientAddr;
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    quint16 clientPort;
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    pUdpSocket->readDatagram(datagram.data(), datagram.size(), &clientAddr, &clientPort);
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    if(QString("%1").arg(datagram.data())==QString("hedgewars server")) {
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      qDebug() << "detected server at " << clientAddr << ":" << clientPort;
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      serversList->addItem(clientAddr.toString());
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    }
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  }
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}