RE: [reSIProcate] IPv6 support bug (win32)
After a little digging, I found GetBestInterfaceEx,
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/iphlp/iphlp
/getbestinterfaceex.asp, which seems to be what we want to use when we have
XP. I don't know the correct windows voodoo to integrate it into WinCompat,
could somebody take a stab at it?
-Derek
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> -----Original Message-----
> From: resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:resiprocate-
> devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Livio Torrero
> Sent: Monday, March 21, 2005 1:18 PM
> To: resiprocate-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [reSIProcate] IPv6 support bug (win32)
>
> I found a bug in TransportSelector.cxx that makes the code fail when it is
> compiled under Windows enabling the IPv6 support. On line 491 of
> TransportSelector.cxx the "WinCompat::determineSourceInterface" is
> invoked. This function calls the "GetBestRoute" which only returns IPv4
> addresses. It is possible to fix the bug by simply replacing the
> "WinCompat::determineSourceInterface" invocation with this code:
>
>
> #ifdef USE_IPV6
> Data localAddress = SipStack::getHostAddress();
> Tuple
> tempTuple(localAddress, target.getPort(), target.getType());
> source =
> tempTuple;
> #else
> // will not work on ipv6
> source = WinCompat::determineSourceInterface(target);
> #endif
>
> To make everything work I've also rewritten the SipStack::getHostAddress()
> method:
>
> Data
> SipStack::getHostAddress()
> {
> char hostName[1024], addrA[1024];
> int err = gethostname( hostName, sizeof(hostName) );
> struct addrinfo hints, *results;
> memset(&hints, 0 , sizeof(struct addrinfo));
> #ifdef USE_IPV6
> hints.ai_family = AF_INET6;
> #else
> hints.ai_family = AF_INET;
> #endif
> getaddrinfo(hostName, NULL, &hints, &results);
> getnameinfo(results->ai_addr, results->ai_addrlen, addrA,
> sizeof(addrA), NULL, NI_MAXSERV, NI_NUMERICHOST);
> freeaddrinfo(results);
> Data ret(addrA);
> return ret;
> }
>
> I've also noticed that you often use inet_ntop and inet_pton instead of
> getaddrinfo and getnameinfo. Is there any particular reason for such a
> choice? (I've replaced inet_ntop with getnameinfo everywhere I found it
> in
> the Resiprocate code).
>
>
> Livio Torrero
>
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