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See more: C++ QT TCP/IP Client
this is my code

#include "tcpclient.h"
#include<QThread>
#include <QHostAddress>
#include<iostream>
using namespace std;
tcpclient::tcpclient(QObject* parent): QObject(parent)
{
  connect(&client, SIGNAL(connected()),this, SLOT(startTransfer()));
 
}
 
tcpclient::~tcpclient()
{
  client.close();
}
 
void tcpclient::start(QString address, quint16 port)
{
  QHostAddress addr(address);
  client.connectToHost(addr, port);
 
}
 
void tcpclient::startTransfer()
{
  client.write("hello world", 12);
   char buffer[1024]/* = "Hello world"*/;
   connect(&client, SIGNAL(readyRead()),this, SLOT(receivedata()));
 
}
void tcpclient::receivedata()
{
    char buffer[1024] = {0};
     client.read(buffer, client.bytesAvailable());
     cout << buffer << endl;
     cout.flush();
    
    client.write("inifinity sending", 18);
     connect(&client, SIGNAL(readyRead()),this, SLOT(receivedata()));
 
}
void tcpclient::closing()
{
    cout<<"closing";
    client.close();
}

this client send strings to a server and the server is receiving it

when i try it it send the first string hello world then send inifinity sending one time and receive the answer from the server then when try to send it again there is a Operating System error segmentation fault

my operating system is LINUX

[edit]SHOUTING removed - OriginalGriff[/edit]
Posted 3-Oct-12 1:51am
Edited 3-Oct-12 2:10am
(no name)1.3M
v3
Comments
OriginalGriff at 3-Oct-12 7:10am
   
DON'T SHOUT. Using all capitals is considered shouting on the internet, and rude (using all lower case is considered childish). Use proper capitalisation if you want to be taken seriously.
amir tarek at 3-Oct-12 7:48am
   
ok thank you to do this for me

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