On Wed, 23 Jan 2002, Andrew wrote:
> configured I get a RTM_NEWADDR message. The bit I'm confused with is the
> struct sockaddr associated with RTA_IFA (that I assumed would hold the IP
> of the interface) has an sa_family value of AF_IMPLINK. If I cast it to a
> struct sockaddr_in then s_addr is 0.
Well it turns out that this was a combination of a bug in my code (*red
face*) and something else. The something else I haven't quite worked out
but it seems that if I don't read the packet with one read call then the
packet is lost. Is this correct behaviour? I guess if the buffer is small
and a number of packets (such as wehn an interface goes up or down) then
it might happen but there shouldnt be that much time between read calls.
I'll play with it a bit more tonight.
Thanks,
Andrew
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