On 17 August 2006 14:45, Brian Ford wrote:
> On Thu, 17 Aug 2006, Alessandro Saffiotti wrote:
>
>> I ran into the following problem when using setsockopt to create a
>> multicast receiver in my own application. Here is the relevant part of
>> the code:
>>
>> tcp_broadcast_receiver = socket(PF_INET,SOCK_DGRAM,IPPROTO_IP);
>>
>> memset(&imreq, 0, sizeof(struct ip_mreq));
>> imreq.imr_multiaddr.s_addr = inet_addr("227.1.3.5");
>> imreq.imr_interface.s_addr = INADDR_ANY;
>
> INADDR_ANY is in host byte order, but you need network order for this
> call.
Yeh, that's it! And don't forget to use left-handed bits - the ordinary
right-handed ones are no good for INADDR_ANY. :)
cheers,
DaveK
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