signal slot in console

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csqhossein

Beginner

Posts: 4

Location: Iran

Friday, May 11th 2012, 10:32am

signal slot in console

hi

i want to write a server chat program in qtconsole
i have not problem with gui program
my problem is in console

i send a data with another program to port 1212
but this programm (below) not get data from 1212
where i have a mistake????
thank you very much

main.cpp

	Source code
1 2 3 4 5 6 7 8 9	#include "server.h" #include int main(int argc, char argv[]) { QCoreApplication a(argc, argv); server t = new server(); return a.exec(); }

server.h

Source code

#ifndef SERVER_H
#define SERVER_H

#include 
#include 

class server : public QObject
{
    Q_OBJECT
    public:
        explicit server(QObject *parent = 0);

    private:
        QUdpSocket *udpSocket;

    public slots:
        void processPendingDatagrams();
};

#endif // SERVE_H

server.cpp

Source code

#include "server.h"

server::server(QObject *parent) :
    QObject(parent)
{
    udpSocket = new QUdpSocket();
    udpSocket->bind(1212);
    connect(udpSocket, SIGNAL(readyRead()) , this ,SLOT(processPendingDatagrams()));

}

void server::processPendingDatagrams()
{
    while(udpSocket->hasPendingDatagrams())
    {
        QByteArray temp;
        temp.resize(udpSocket->pendingDatagramSize());
        udpSocket->readDatagram(temp.data(),temp.size());
        QString text = QString::fromUtf8(temp);
    }
    udpSocket->writeDatagram("userName exist",QHostAddress("127.0.0.1"),1818);
}

This post has been edited 1 times, last edit by "csqhossein" (May 14th 2012, 7:47pm)