void SeedUDPClientHandler::run() {
Core::getInstance()->registerThread(this);
//connect socket to client adress and port.
if(mUdpSocket != 0) {
delete mUdpSocket;
mUdpSocket = 0;
}
mUdpSocket = new QUdpSocket();
mUdpSocket->bind();
mUdpSocket->connectToHost(mClientAddress, mClientPort);
connect(mUdpSocket, SIGNAL(readyRead()),
this, SLOT(datagramReceived()), Qt::DirectConnection);
if(mClientRunner != 0) {
delete mClientRunner;
}
mClientRunner = new SeedUDPClientHandlerRunner(this);
mClientRunner->start();
QThread::exec();
delete mUdpSocket;
mUdpSocket = 0;
}
void Multicaster::readyRead()
{
while (socket->hasPendingDatagrams()) {
QByteArray datagram;
datagram.resize(socket->pendingDatagramSize());
QHostAddress senderAddr;
quint16 senderPort;
// Here it is assumed that if a datagram is fragmented, it can
// be dismissed and treated as a UDP unreliability
qint64 r = socket->readDatagram(datagram.data(), datagram.size(),
&senderAddr, &senderPort);
if (r != datagram.size())
{
// Ignore errors and datagrams of incorrect size.
qDebug() << "Multicaster::readyRead()"
<< "readDatagram() returned" << r << ", but"
<< datagram.size() << "expected. Ignored.";
return;
}
if (senderPort != settings.port) {
// Ignore datagrams sent from unknown ports.
qDebug() << "Multicaster::readyRead()"
<< "Received datagram from port" << senderPort
<< ", but expected port is" << settings.port
<< ". Ignored.";
return;
}
if (senderAddr == ownIp) {
// Ignore datagrams sent by this host to itself.
return;
}
// Debug.
if (settings.debugWasteEachNthDatagramReceived > 0)
{
static int count = 0;
if (++count % settings.debugWasteEachNthDatagramReceived == 0)
{
DEBUG_LOG_WASTED(" " << datagram << "<-x-"
<< qUtf8Printable(senderAddr.toString()));
return;
}
}
LOG(" " << datagram << "<---"
<< qUtf8Printable(senderAddr.toString()));
emit datagramReceived(datagram, senderAddr.toString());
}
}
void UdpCommunicationManager::onReadyRead()
{
while (m_udpSocket->hasPendingDatagrams()) {
QByteArray datagram;
datagram.resize(m_udpSocket->pendingDatagramSize());
QHostAddress sender;
quint16 senderPort;
m_udpSocket->readDatagram(datagram.data(), datagram.size(),
&sender, &senderPort);
qWarning() << "received datagram: " << datagram << " from "<< sender << " "<< senderPort;
emit datagramReceived(datagram);
}
}
void UdpSocket::readPendingDatagrams()
{
while (_udp_socket.hasPendingDatagrams())
{
QByteArray datagram;
datagram.resize(_udp_socket.pendingDatagramSize());
QHostAddress sender;
quint16 senderPort;
_udp_socket.readDatagram(
datagram.data(),
datagram.size(),
&sender,
&senderPort);
emit datagramReceived(datagram);
}
}
