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Code: Alles auswählen

void Client::readHello()
{
printf("trying to receive a message..\n");

QDataStream in(tcpSocket);
in.setVersion(QDataStream::Qt_4_0);

quint16 blockSize;
int i = 0;

while ((tcpSocket->bytesAvailable() < (int)sizeof(quint16)) && (i < 3)) {
	printf("Nothing recieved\n");
	sleep(1);
	i++;
	tcpSocket->disconnectFromHost();
	return;
	}
in >> blockSize;
if (blockSize == 0) {
	printf("Received block has size zero\n");
	tcpSocket->disconnectFromHost();
	return;
	}
if (tcpSocket->bytesAvailable() < blockSize) {
	printf("Too few bytes received\n");
	tcpSocket->disconnectFromHost();
	return;
	}
QString message;
in >> message;

printf ("text is %s \n",  message.toLatin1().data());
if (message.size() == 0) {
	printf("hello message is empty\n");
	tcpSocket->disconnectFromHost();
	return;
	}


}

Code: Alles auswählen

void Server::sendHello()
{
    printf("got a new connection.. sending the hello..\n");
    QByteArray block;
    QDataStream out(&block, QIODevice::WriteOnly);
    out.setVersion(QDataStream::Qt_4_0);
    out << (quint16)0;
    out << "\nHello, welcome to the Boratd server \n";
    out.device()->seek(0);
    out << (quint16)(block.size() - sizeof(quint16));
    clientConnection = tcpServer->nextPendingConnection();
    connect(clientConnection, SIGNAL(disconnected()),
 	          clientConnection, SLOT(deleteLater()));

qint64 size = clientConnection->write(block);

if (!clientConnection->waitForBytesWritten()) qWarning("Error while writing to network");
printf("%d Bytes sent.\n", (int) size);
connect (clientConnection, SIGNAL(readyRead()), this, SLOT(receiveHandler()));
connect (clientConnection, SIGNAL(bytesWritten(bytesSent)), this, SLOT(sendHandler()));
clientStatus = HELLO_SENT;

}