IIRC, the “moreComing” parameter is basically “more coming right now”; it’s a 
sign to you that you shouldn’t update your UI yet because there’s going to be 
another call immediately after this one.

Jeff Kelley

[email protected] | @SlaunchaMan <https://twitter.com/SlaunchaMan> | 
jeffkelley.org <http://jeffkelley.org/>

> On Nov 16, 2017, at 3:38 PM, James Walker <[email protected]> wrote:
> 
> On 11/16/2017 10:58 AM, Josh Graessley wrote:
>> The search is never finished until you decide it is by cancelling the browse.
>> 
>> Bonjour sends multicasts queries with an exponential backoff, up to some 
>> maximum amount of time. When a Bonjour service is advertised/registered on 
>> an interface, a multicast is sent out as well. As long as you have that 
>> browser open, Bonjour will keep watching for a matching service to appear, 
>> either as a response to one of the multicasts it sends or through an 
>> announcement sent by a device arriving on the networking or starting the 
>> service.
>> 
>> The only alternative is a timeout and timeouts are bad.
> 
> Maybe I didn't make it clear enough what I'm looking for.  If the delegate 
> receives a netServiceBrowser:didFindService:moreComing: message with NO for 
> the moreComing parameter, that means *something*, right?  Sure, there could 
> be unusual circumstances causing delayed notification about some service, and 
> more services could come online later, but I probably have the whole story 
> for now.  That's the kind of "that's probably it for now" information I'd 
> like to have in the case where there are no services.
> 
>> On Nov 16, 2017, at 10:36 AM, James Walker <[email protected]> 
>> <mailto:[email protected]> wrote:
>>> 
>>> If I use -[NSNetServiceBrowser searchForServicesOfType:inDomain:] and there 
>>> happen to be no services of the specified type, my delegate gets 
>>> netServiceBrowserWillSearch:, but nothing else.  How can I know when the 
>>> search is finished?
>>> 
> 
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