QTfrontend/net/netudpserver.cpp
author Periklis Ntanasis <pntanasis@gmail.com>
Wed, 11 Sep 2013 21:25:50 +0300
branchspacecampaign
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2007-2008 Igor Ulyanov <iulyanov@gmail.com>
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 * Copyright (c) 2004-2013 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include <QUdpSocket>
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#include "netudpserver.h"
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#include "hwconsts.h"
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HWNetUdpServer::HWNetUdpServer(QObject *parent, const QString & descr, quint16 port) :
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    HWNetRegisterServer(parent, descr, port),
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    m_descr(descr)
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{
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    pUdpSocket = new QUdpSocket(this);
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    pUdpSocket->bind(NETGAME_DEFAULT_PORT);
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    connect(pUdpSocket, SIGNAL(readyRead()), this, SLOT(onClientRead()));
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}
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void HWNetUdpServer::onClientRead()
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{
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    while (pUdpSocket->hasPendingDatagrams())
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    {
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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(datagram.startsWith("hedgewars client"))
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        {
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            // send answer to client
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            pUdpSocket->writeDatagram(QString("hedgewars server\n%1").arg(m_descr).toUtf8(), clientAddr, clientPort);
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        }
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    }
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}
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void HWNetUdpServer::unregister()
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{
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    deleteLater();
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}