[Live-devel] Testprog & groupsock problem

[john luo]

Etienne Lanoy,
maybe your system did not has a gatway setting. I had got the same problem , but if i add the gateway, groupsock is ok.

>Hi Ross,
>
>In re-compiling the groupsocks lib, the error " 
>Groupsocks(-1;239.255.42.42,1234,7) failed to join group : 
>setsockopt(IP_ADD_MEMBERSHIP)
>error : bad file descriptor " had be eliminated.
>
>But the "Unable to determine our source address : setsockopt 
>(IP_MULTICAST_LOOP) " is still here. No multicast datagram have been 
>streamed
>to the out on My PC. The groupsock doesn't arrive to determine my 
>multicast adress source (by sending the multicast datagram).
>
>Do you have already got this problem on Cygwin or another ?
>
>Thanks
>
>Etienne
>
>
>Ross Finlayson a écrit:
>
>>
>>> Groupsocks(-1;239.255.42.42,1234,7) failed to join group :
>>
>>
>> What is happening here is that (for some unknown reason) the call to 
>> "setupDatagramSocket()" (see "groupsock/GroupsockHelper.cpp") is 
>> failing, and is returning a 'socket number' of -1 (indicating an error).
>>
>> It seems that something about the use of "cygwin" is causing 
>> "setupDatagramSocket()" to fail.  Because I can't reproduce the 
>> problem here, could you please debug the execution of 
>> "setupDatagramSocket()" (e.g., using print statements), and let us 
>> know exactly which part of this routine is failing (and returning -1)?
>>
>>
>>     Ross Finlayson
>>     LIVE.COM
>>     <http://www.live.com/>
>>
>> _______________________________________________
>> live-devel mailing list
>> live-devel at lists.live.com
>> http://lists.live.com/mailman/listinfo/live-devel
>>
>>
>
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¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡john luo
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡dz_luo at yahoo.com
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2005-04-13