/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2007-2008 Igor Ulyanov <iulyanov@gmail.com>

 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <QUdpSocket>

#include "netudpserver.h"

#include "hwconsts.h"

HWNetUdpServer::HWNetUdpServer(QObject *parent, const QString & descr, quint16 port) :

    HWNetRegisterServer(parent, descr, port),

    m_descr(descr)

{

    pUdpSocket = new QUdpSocket(this);

    pUdpSocket->bind(NETGAME_DEFAULT_PORT);

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

}

void HWNetUdpServer::onClientRead()

{

    while (pUdpSocket->hasPendingDatagrams())

    {

        QByteArray datagram;

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

        QHostAddress clientAddr;

        quint16 clientPort;

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

        if(datagram.startsWith("hedgewars client"))

        {

            // send answer to client

            pUdpSocket->writeDatagram(QString("hedgewars server\n%1").arg(m_descr).toUtf8(), clientAddr, clientPort);

        }

    }

}

void HWNetUdpServer::unregister()

{

    deleteLater();

}