Please hold off on evaluating this patch. I've been doing some more testing and I am not sure it is right. -Jason
On Wed, Nov 30, 2011 at 3:43 PM, Jason Glasgow <[email protected]> wrote: > Attached is a patch to fix a problem I've been having with the > multi-interface. The problem that I've observed is that if the first name > server is not available, the multi interface does not invoke the socket_cb > when the DNS request to the first name server timesout. > > This bug can be reproduced if Curl is complied with --enable_ares and your > code uses the multi socket interfaces and the CURLMOPT_SOCKETFUNCTION > option. The way I test is to set up an iptables rule that discards the > name server reply from the first name server. This forces a timeout and > then cares tries to use the secondary name server. Without the patch, the > client code is never informed of the new socket that cares is using. > > To test try: > iptables -I INPUT \ > -s $(sed -n -e '/name/{s/.* //p;q}' /etc/resolv.conf)/32 \ > -j REJECT > and then run a program which uses the multi-interface > > -Jason > >
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