[Interest] Simple UDP listener question

Robert Wood robert.wood at apostrophe.co.uk
Mon Jun 23 20:21:21 CEST 2014


There does seem to be a sendTo() function within the class. If I don't 
bind it and use writeDatagram it doesn't send anything out.

On 23/06/14 19:04, md at rpzdesign.com wrote:
> Maybe you should only use 1 socket instead of 2.
>
> UDP only needs to bind to receive, but can send without binding as long
> as you use sendto( ) calls.
>
> On 6/23/2014 1:45 PM, Ian Monroe wrote:
>> On Mon, Jun 23, 2014 at 10:41 AM, Robert Wood
>> <robert.wood at apostrophe.co.uk> wrote:
>>> The QHostAddress("192.168.0.18") should be the IP address of my computer
>>> shouldn't it? I'm not really clear why this is necessary as I would
>>> assume Qt would automatically pick that up? Or is it in case you  have
>>> more than one NIC and you are telling the program which one to listen
>>> on/send from?
>>
>> You could bind to 0.0.0.0 instead I think.
>>
>> Ian
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