QTcpSocket *socket = server.nextPendingConnection();
connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData()));
QTcpSocket *socket = server.nextPendingConnection();
connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData()));