August 2011
Intermediate to advanced
552 pages
23h 48m
English
Content preview from Advanced Mac OS X Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Browsing Net Services
When a client needs to find a service, it multicasts a message onto the network. The published servers respond. Notice, however, that with busy servers on a busy or slow network, this might take some time. So a browser is told to start a search, and then, as responses come in, the delegate is informed.
NSNetServiceBrowser has the following method:
- (void)searchForServicesOfType:(NSString *)type inDomain:(NSString *)domainString
This method kicks off the search for services of the given type in the given domain. Once again, @"" can be supplied as the domain.
The delegate gets sent these messages:
- (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing ...
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