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/*------------------------------------------------------------------------------
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-- This file is a part of the SocExplorer Software
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-- Copyright (C) 2014, Plasma Physics Laboratory - CNRS
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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, 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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/*-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@member.fsf.org
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----------------------------------------------------------------------------*/
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#include "spwtcppacketserver.h"
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#include "ui_spwtcppacketserver.h"
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#include <QNetworkInterface>
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#include <QByteArray>
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SpwTcpPacketServer::SpwTcpPacketServer(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::SpwTcpPacketServer)
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{
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ui->setupUi(this);
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this->p_bridge = NULL;
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this->p_server = new QTcpServer();
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this->incomingTCParser = new IncomingTCParser();
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connect(this->ui->startServeQpb,SIGNAL(clicked(bool)),SLOT(toggleServer()));
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updateHostIP();
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this->ui->PortLineEdit->setText("2200");
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connect(this->p_server,SIGNAL(newConnection()),this,SLOT(newConnection()));
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resetStatististics();
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connect( this->incomingTCParser, SIGNAL(sendPacketUsingSpaceWire(QByteArray)),
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this, SLOT(sendTCUsingSpaceWire(QByteArray)));
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}
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SpwTcpPacketServer::~SpwTcpPacketServer()
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{
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delete ui;
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}
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void SpwTcpPacketServer::setBridge(abstractSpwBridge *bridge)
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{
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if(this->p_bridge!=NULL)
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{
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disconnect(this,SLOT(pushPacket(char*,int)));
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}
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this->p_bridge = bridge;
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connect(bridge,SIGNAL(pushPacketOverTCP(char*,int)),SLOT(pushPacket(char*,int)));
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}
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void SpwTcpPacketServer::pushPacket(char *packet, int size)
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{
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QByteArray data;
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char sizech[3];
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data.append((char)0);
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sizech[0]=size & 0x0FF;
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sizech[1]=(size>>8) & 0x0FF;
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sizech[2]=(size>>16) & 0x0FF;
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data.append(sizech,3);
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data.append(packet,size);
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for(int i=0;i<connectedClients.count();i++)
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{
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QTcpSocket* soc=connectedClients.at(i);
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if(soc->state()!=QAbstractSocket::ConnectedState)
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{
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connectedClients.removeAt(i);
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delete soc;
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}
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else
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{
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connectedClients.at(i)->write(data);
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onePacketTransmitted();
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}
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}
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free(packet);
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}
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void SpwTcpPacketServer::toggleServer()
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{
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if(this->p_server->isListening())
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{
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disconnectServer();
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}
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else
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{
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connectServer();
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}
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}
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void SpwTcpPacketServer::connectServer()
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{
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this->p_server->listen(QHostAddress::Any,this->ui->PortLineEdit->text().toInt());
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this->ui->startServeQpb->setText("Stop Server");
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resetStatististics();
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}
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void SpwTcpPacketServer::disconnectServer()
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{
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this->ui->startServeQpb->setText("Start Server");
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this->p_server->close();
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}
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void SpwTcpPacketServer::setServerPort(qint32 port)
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{
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this->ui->PortLineEdit->setText(QString("%1").arg(port));
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}
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void SpwTcpPacketServer::setServerSetIP(QString ip)
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{
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this->ui->IPLineEdit->setText(ip);
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}
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void SpwTcpPacketServer::newConnection()
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{
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QTcpSocket* soc=this->p_server->nextPendingConnection();
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this->connectedClients.append(soc);
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this->ui->listWidget->addItem(this->connectedClients.last()->peerAddress().toString());
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connect(soc,SIGNAL(readyRead()),this,SLOT(parseIncomingTC()));
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}
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void SpwTcpPacketServer::parseIncomingTC()
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{
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for(int i=0;i<connectedClients.count();i++)
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{
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QTcpSocket* soc=connectedClients.at(i);
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if(soc->state()!=QAbstractSocket::ConnectedState)
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{
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connectedClients.removeAt(i);
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delete soc;
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}
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else
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{
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if(soc->bytesAvailable()!=0)
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{
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do
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{
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QByteArray data = soc->readAll();
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incomingTCParser->processIncomingQByteArray( data );
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}while(soc->bytesAvailable()!=0);
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}
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}
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}
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}
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void SpwTcpPacketServer::sendTCUsingSpaceWire(QByteArray data)
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{
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onePacketReceived();
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if(data[0]==0) // Protocole = 0 => Host to SpaceWire packet transmission
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{
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int size = (data[1]*256*256) + (data[2]*256) + data[3];
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char* SPWpacket = (char*)malloc(size);
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memcpy(SPWpacket,data.data()+4,size); // 4 bytes will be added later to the packet
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emit sendSPWPacket(SPWpacket,size);
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}
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}
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void SpwTcpPacketServer::readReady()
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{
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for(int i=0;i<connectedClients.count();i++)
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{
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QTcpSocket* soc=connectedClients.at(i);
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if(soc->state()!=QAbstractSocket::ConnectedState)
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{
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connectedClients.removeAt(i);
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delete soc;
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}
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else
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{
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if(soc->bytesAvailable()!=0)
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{
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do
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{
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QByteArray data = soc->readAll();
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onePacketReceived();
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if(data[0]==0) // Protocole = 0 => Host to SpaceWire packet transmission
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{
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int size = (data[1]*256*256) + (data[2]*256) + data[3];
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char* SPWpacket = (char*)malloc(size);
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memcpy(SPWpacket,data.data()+4,size); // 4 bytes will be added later to the packet
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emit sendSPWPacket(SPWpacket,size);
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}
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}while(soc->bytesAvailable()!=0);
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}
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}
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}
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}
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void SpwTcpPacketServer::resetStatististics()
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{
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receivedPackets = 0;
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transmittedPackets = 0;
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this->ui->receivedPacketsNumber->display( QString::number(receivedPackets) );
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this->ui->transmittedPacketsNumber->display( QString::number(transmittedPackets) );
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}
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void SpwTcpPacketServer::updateHostIP()
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{
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QList<QHostAddress> list = QNetworkInterface::allAddresses();
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for(int nIter=0; nIter<list.count(); nIter++)
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{
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if(!list[nIter].isLoopback())
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if (list[nIter].protocol() == QAbstractSocket::IPv4Protocol )
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this->ui->IPLineEdit->setText(list[nIter].toString());
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}
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}
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void SpwTcpPacketServer::onePacketReceived()
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{
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receivedPackets = receivedPackets + 1;
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this->ui->receivedPacketsNumber->display( QString::number(receivedPackets) );
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}
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void SpwTcpPacketServer::onePacketTransmitted()
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{
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transmittedPackets = transmittedPackets + 1;
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this->ui->transmittedPacketsNumber->display( QString::number(transmittedPackets) );
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}
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