100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
/*************************************************************************
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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 <QUdpSocket>
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#include <iostream>
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#include "consolereader.h"
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#include "server.h"
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Server::Server ( std::vector<Socket*> *sockets_vector )
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{
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sockets = sockets_vector;
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QUdpSocket *udpSocketSend = new QUdpSocket();
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udpSocketGet = new QUdpSocket();
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udpSocketSend->connectToHost ( QHostAddress::Broadcast, 10000 );
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udpSocketGet->bind ( QHostAddress::Any, 10000);
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connect ( udpSocketGet, &QUdpSocket::readyRead, this, &Server::readPendingDatagrams);
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udpSocketSend->write ( discover );
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udpSocketSend->write ( discover );
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udpSocketSend->disconnectFromHost();
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delete udpSocketSend;
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start();
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}
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Server::~Server()
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{
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delete udpSocketGet;
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}
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void Server::run()
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{
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readPendingDatagrams();
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}
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void Server::readPendingDatagrams()
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{
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while ( udpSocketGet->hasPendingDatagrams() )
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{
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QByteArray reply;
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reply.resize ( udpSocketGet->pendingDatagramSize() );
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QHostAddress sender;
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quint16 senderPort;
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udpSocketGet->readDatagram ( reply.data(), reply.size(), &sender, &senderPort );
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if ( reply != discover && reply.left ( 2 ) == magicKey ) // check for Magic Key
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{
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if ( reply.mid ( 4, 2 ) == QByteArray::fromHex ( "71 61" ) ) // Reply to discover packet
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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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{
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duplicate = true;
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break;
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}
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}
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if ( !duplicate )
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{
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Socket *socket = new Socket ( sender, reply );
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sockets->push_back ( socket );
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}
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}
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else
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{
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QByteArray mac = reply.mid(6,6);
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for ( std::vector<Socket*>::iterator i = sockets->begin() ; i != sockets->end(); ++i )
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{
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if ( (*i)->mac == mac )
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{
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(*i)->parseReply(reply);
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break;
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}
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}
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std::cout << "Packet not belonging to any socket: " << reply.toHex().toStdString() << std::endl;
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}
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}
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}
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}
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