Hi,
I have a little program that creates an NSSocketPort for use in
Distributed Objects, and also advertises itself over Bonjour. So,
something like this...
// This server will wait for responses on port 3121
receivePort = [[NSSocketPort alloc] initWithTCPPort:3121];
connection = [NSConnection connectionWithReceivePort:receivePort sendPort:nil];
...
// Create Bonjour Advertisement
netService = [[NSNetService alloc] initWithDomain:@"local"
type:@"_myapp._tcp."
name:hostName
port:3121];
This all works OK, except when I run, quit, and run the app quickly.
The port 3121 isn't yet available again on the second run of the
program because the socket is still in the TIME_WAIT period from the
first run of the program. So, what I would like to do is be dynamic
and listen on a random port that is available, and make my Bonjour
advertisement for that port. Yet I am having difficulty figuring out
how to accomplish that.
// Create a generic receivePort
receivePort = [[NSSocketPort alloc] init];
connection = [NSConnection connectionWithReceivePort:receivePort sendPort:nil];
...
// Create Bonjour Advertisement
// How do I figure out the (unsigned int) value for the port to pass here???
netService = [[NSNetService alloc] initWithDomain:@"local"
type:@"_myapp._tcp."
name:hostName
port:???];
The NSSocketPort class doesn't seem to have a way to get the port when
you just alloc & init like this. So How can you advertise over Bonjour
for a generic dynamically determined port selected at runtime?
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