[Bug 33798] Multicast issue. Fail to receive packets from a multicast.

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=33798

--- Comment #7 from Maxime S. <MaximeSedDev at gmail.com> 2013-06-17 04:28:01 CDT ---
(In reply to comment #6)
> OK, the example runs now. I was linking to the wrong library...
> 
> Let me see if I get this right. The example "as is" must work in both windows
> and wine, that is working for me.
> 
> Then I changed the bind address on the receive program to a specific interface
> address, it works in windows. In kernel <= 3.2 I get an interface bind error.
> 
> In kernel 3.10 it works in wine. But I'm only using a single computer to test,
> maybe in your scenario you have 2 or more computers.

(In reply to comment #6)
> OK, the example runs now. I was linking to the wrong library...
> 
> Let me see if I get this right. The example "as is" must work in both windows
> and wine, that is working for me.
> 
> Then I changed the bind address on the receive program to a specific interface
> address, it works in windows. In kernel <= 3.2 I get an interface bind error.
> 
> In kernel 3.10 it works in wine. But I'm only using a single computer to test,
> maybe in your scenario you have 2 or more computers.

Thank you for the support ! I'm surprised it works for you. I'm using < 3.5
kernels. It should work on multiple computer but it doesn't even work on a
single computer for me. The bug 33753 is interesting too but it doesn't work
with the 1.4 for me and it should be a regression since the 1.5.15.

To be sure we are using the same thing. You should have replaced in the
listener:  
this: local_sin.sin_addr.s_addr = htonl (INADDR_ANY);
with:    local_sin.sin_addr.s_addr = inet_addr(YOUR_INTERFACE_IP); 

And in the sender:
this: source_sin.sin_addr.s_addr = htonl (INADDR_ANY);
with:    source_sin.sin_addr.s_addr = inet_addr(YOUR_INTERFACE_IP); 

I will make some test with the 3.10 and the wine 1.6-rc2 (I just tested it
quickly on another pc) as soon as possible.

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