Dear all

I have a problem with multicast sockets of the same port but belonging to 
different groups.

For example, I have two udp sockets, listening on the same local address and 
same port; for each one I set the sockopt to listen on a specific multicast 
group (I can also see the igmp packets going out of the interface).

But when data is sent on the network to one multicast address, I receive the 
same data to both the socket; I understand why, because I set the SO_REUSEPORT 
option.

I'm looking for a way to identify to which multicast group the data was sent 
after have been received on each socket.

I'm working on debian, python version 2.7 or 3.3.1.
Here is a sample of code:
 http://pastebin.com/BF1gkvgg

Thanks for helps..

--
Emmanuel (http://richiardone.eu)
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