Add discover.h.
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/*************************************************************************
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* Copyright (C) 2015 by Andrius Štikonas <andrius@stikonas.eu> *
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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; either version 3 of the License, or *
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* (at your option) any later version. *
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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, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#include "socket.h"
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QByteArray discover = QByteArray::fromHex("68 64 00 06 71 61");
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void readDiscoverDatagrams(QUdpSocket *udpSocketGet, std::vector<Socket> &sockets)
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{
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while (udpSocketGet->waitForReadyRead(500)) // 500ms
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{
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while (udpSocketGet->hasPendingDatagrams())
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{
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QByteArray datagramGet;
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datagramGet.resize(udpSocketGet->pendingDatagramSize());
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QHostAddress sender;
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quint16 senderPort;
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udpSocketGet->readDatagram(datagramGet.data(), datagramGet.size(), &sender, &senderPort);
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if (datagramGet != discover && datagramGet.left(2) == QByteArray::fromHex("68 64"))
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{
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bool duplicate = false;
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for(std::vector<Socket>::const_iterator i = sockets.begin() ; i != sockets.end(); ++i)
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{
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if (i->ip == sender)
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duplicate = true;
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}
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if(!duplicate)
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{
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const Socket socket(sender, datagramGet);
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sockets.push_back(socket);
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}
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}
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}
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}
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}
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