include Network Network Network unsigned int port this- _server new QT

#include "Network.h"

Network::Network(unsigned int port) {
    this->_server = new QTcpServer(this);
    connect(this->_server, SIGNAL(newConnection()), this, SLOT(newUser()));
    if (!this->_server->listen(QHostAddress::Any, port)) {
        qDebug() << "Unable to start the server: " << this->_server->errorString();
    } else {
        qDebug() << "Listen port: " << port;
    }

    this->_socket = new QList<QTcpSocket *>;
}

Network::~Network()
{
  foreach (QTcpSocket *socketReceiver, *this->_socket) {
      socketReceiver->close();
  }
}

void Network::newUser() {
    qDebug() << "New connection";
    while (QTcpSocket * socket = this->_server->nextPendingConnection()) {
        this->_socket->push_back(socket);
	connect(socket, SIGNAL(readyRead()), this, SLOT(readUserData()));
	connect(socket, SIGNAL(disconnected()), this, SLOT(disconnectedClient()));
    }
}

void Network::readUserData() {
  QTcpSocket *socket = (QTcpSocket *)this->sender();

  QByteArray data = socket->readAll();
  QByteArray width_str(4, '0');
  QByteArray tmp_byte_arr = QByteArray::number(socket->socketDescriptor(), 16);
  width_str.replace(4 - tmp_byte_arr.size(), tmp_byte_arr.size(), tmp_byte_arr);
  data.prepend(width_str);

  foreach (QTcpSocket *socketReceiver, *this->_socket) {
    if (socketReceiver->socketDescriptor() != socket->socketDescriptor()) {
      socketReceiver->write(data);
    }
  }
}

void Network::disconnectedClient()
{
  qDebug() << "Connection lost";
  QTcpSocket *socket = (QTcpSocket *)this->sender();
  int index = this->_socket->indexOf(socket);
  this->_socket->removeAt(index);
}