I've been writing a program using Rendezvous and I'm having issues with
the service disappearing from the list. After many hours trying to
understand the problem, I gave up and I decided to go back to square
one: attempt to merge Picture Sharing and Picture Sharing Browser in
one single application. The idea is to offer an app which publishes and
subscribes, as opposed to having two different apps.
To my surprise, I'm experiencing exactly the same buggy behavior with
Picture Sharing/Picture Browser:
- In Picture Sharing Browser, the method -
(void)netServiceDidResolveAddress:(NSNetService *)sender contains the
following snippet:
// Cancel the resolve now that we have an IPv4 address.
[sender stop];
[sender release];
This piece of code makes the service disappear instantly. I commented
it out, which helped a bit.
This avoids having your own service being listed in the services list.
After these corrections, I'm still having problems. These are:
- Issue #1: launch the app on two Macs, Mac #1 and Mac #2, and start
the service on both of them. The first service published (either on Mac
#1 or Mac #2) will not be able to browse the other one, even though
it's displayed on the table view. The second service is fine and will
display the other's picture. In other words, the very first Mac that
starts the service is doomed and won't be able to subscribe to other
services, even though they're listed on the table view.
- Issue #2: service #2, which displays the picture from service #1 will
also break. To do that, go to Mac with service #2 and deselect Mac #1
from the list. You'll see that it takes two clicks to get the picture
back. The first click doesn't go through. This leads to issue #3...
- Issue #3: after the picture has been displayed on Mac #2, watch Mac
#1: the list doesn't show Mac#2 anymore.
I don't know what else to try, even after reading the docs. I was
hoping that I could use the merged app as a foundation from where I
could rebuild my app, but it's ill-behaved as well, so I', stuck either
way. I have the project (XCode) ready, in case someone wants to start
from there. Please contact me off-list and I'll send it to you.
Thanks in advance.
-- Tito
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