/*

 * Hedgewars, a worms-like game

 * Copyright (c) 2007 Ulyanov Igor <iulyanov@gmail.com>

 *

 * This program 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; version 2 of the License

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 */

#include <QUdpSocket>

#include <QListWidget>

#include "netudpwidget.h"

HWNetUdpWidget::HWNetUdpWidget(QWidget* parent) :

  QWidget(parent), mainLayout(this)

{

  serversList = new QListWidget(this);

  mainLayout.setMargin(0);

  mainLayout.addWidget(serversList);

  pUdpSocket = new QUdpSocket(this);

  pUdpSocket->bind();

  connect(pUdpSocket, SIGNAL(readyRead()), this, SLOT(onClientRead()));

  updateList();

}

void HWNetUdpWidget::updateList()

{

  serversList->clear();

  pUdpSocket->writeDatagram("hedgewars client", QHostAddress::Broadcast, 46631);

}

void HWNetUdpWidget::onClientRead()

{

  while (pUdpSocket->hasPendingDatagrams()) {

    QByteArray datagram;

    datagram.resize(pUdpSocket->pendingDatagramSize());

    QHostAddress clientAddr;

    quint16 clientPort;

    pUdpSocket->readDatagram(datagram.data(), datagram.size(), &clientAddr, &clientPort);

    if(QString("%1").arg(datagram.data())==QString("hedgewars server")) {

      serversList->addItem(clientAddr.toString());

    }

  }

}