On Jan 9, 2009, at 5:38 PM, Kyle Sluder wrote:
The first thing you see when you open up PicSharingController.m in that example is the following:----- - (IBAction)toggleSharing:(id)sender { uint16_t chosenPort; if(!listeningSocket) { // Here, create the socket from traditional BSD socket calls, and then set up an NSFileHandle with //that to listen for incoming connections. ----- So the actual communication between clients has nothing to do with Bonjour. Bonjour just advertises to other machines "hey I'm listening for picture sharing on this socket!" As Jim said, the notion of a "Bonjour connection" is flawed because of how the protocol works.
Of course that's all true but you will also notice that in fact you have to provide a port for NSNetService that you get via a sequence of calls that produce your listeningSocket further down the same method:
---- chosenPort = ntohs(serverAddress.sin_port); ---- ----listeningSocket = [[NSFileHandle alloc] initWithFileDescriptor:fdForListening closeOnDealloc:YES];
---- and ----netService = [[NSNetService alloc] initWithDomain:@"" type:@"_wwdcpic._tcp." name:[serviceNameField stringValue] port:chosenPort];
----You need to create the listeningSocket to read data, the port alone will not help you (in that example).
I don't argue with that with the terminology issues but: The real question the OP had (I think) was not addressed. And I'd like to know it too:
How does one go about advertising a service via bonjour like in the Picture Sharing example AND allow multiple connections instead of just one? Is it as simple as creating multiple listeningSockets? Or create a new listening socket each time you get a connection to the existing one?
Regards Markus -- __________________________________________ Markus Spoettl
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