> I'm having a first look at discovering UPnP devices and I was 
> wondering if THttpCli can be used for this purpose ? 
> 
> Communicating with UPnP devices uses HTTP over UDP (HTTPMU and 
> HTTPU). In order to discover devices you send(post) a HTTP request 
> using the multicast address 239.255.255.250 on port 1900. All devices 
> should then respond to this request.

It's not really HTTP as such, it's just a UDP broadcast that should 
cause one UDP packet to be returned by each device, each packet 
containing HTTP formatted data.  Sounds like a one hour project. 

Forget THttpCli, it uses TCP/IP with connections, totally different to 
UDP.   

Angus
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