Re: Regarding the bonjour services

• Subject: Re: Regarding the bonjour services
• From: Marc Krochmal <email@hidden>
• Date: Thu, 2 Jun 2005 11:37:32 -0700
• Delivered-to: email@hidden
• Delivered-to: email@hidden

On Jun 2, 2005, at 5:21 AM, Phill Kelley wrote:

At 16:17 -0700 01/06/2005, Marc Krochmal wrote:

When you say everything goes wrong, is "everything" referring to
NSNetService resolve, or is something else going wrong?  NSNetService
resolve was rewritten in Tiger to be implemented using
CFNetServiceResolveWithTimeout, which has different callback behavior
than CFNetServiceResolve.  If you'd like to get the old behavior, or
you need to work around bugs in CFNetServiceResolveWithTimeout, you
can temporarily switch to CFNetServiceResolve.

I've tried both (assuming that "resolve" and "resolveWithTimeout" amount to
the same thing - I try to avoid things that begin with CF, heretical though
that might be) and the behavior is slightly different but still not the
same as with all-Panther.

The issues are slightly tangled up with service discovery in that if
Bonjour doesn't inform me that a service has appeared then, clearly, I'm
not going to try to resolve it. With all-Panther, it doesn't seem to matter
what I do to the various servers. I can launch and quit gracefully, I can
force-quit, I can pull cables, etc and Bonjour will always work out what is
going on and send me the appropriate messages. With Tiger in the mix,
sometimes I don't get told when a service has appeared, sometimes I don't
get told when a service has been withdrawn, etc. And then there's this
nonsense with IPv6 addresses being passed to me even though I've set IPv6
to off on every machine and every interface. I wouldn't really care if I
also got IPv4 addresses but those don't arrive a lot of the time (and, yes,
I am enumerating the addresses array).

Anyway, I have spent the day putting a test together. I expect to be able
to file a radar tomorrow.

Regards,  Phill

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