[Interest] Simple UDP listener question

[Robert Wood]

Yes, Bob, that's exactly it.

On 192.168.0.18 I have stripped it right down to this this:


     udpSocRec = new QUdpSocket(this);
     udpSocRec->bind(QHostAddress::Any, 6454);

connect(udpSocRec, SIGNAL(readyRead()),this, 
SLOT(processPendingDatagrams()));

processPendingDatagrams() never gets called, even when Wireshark on 
192.168.0.18 shows this message:


246843	367.240816000	192.168.0.19	192.168.0.18	ARTNET	60	ArtPoll (0x2000)

When I get my laptop which is on 192.168.0.19 to send a packet out.

Wireshark also tells me this packet is:

User Datagram Protocol, Src Port: 6454 (6454), Dst Port: 6454 (6454)

I've tried changing the port to 123 to capture incoming NTP packets 
which, again, Wireshark says are present, but to no avail.

Thanks,

Rob


On 23/06/14 23:45, Bob Hood wrote:
> On 6/23/2014 4:27 PM, Robert Wood wrote:
>> It can't be a randomly allocated port though, it has to be port 6454.
>
> I realize I've come into this conversation late, but something like:
>
>      receive_socket = new QUdpSocket(this);
>      receive_socket->bind(QHostAddress::Any, 6454);
>
> wouldn't work for you?
>
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