> On Oct 17, 2014, at 1:33 AM, Quinn The Eskimo! <eski...@apple.com> wrote: > > It's hard to say what's going on here with the details you've provided (for > example, what sort of error do you get when replication fails) but the last > part of the quote above piqued my interest. Are you trying to build a URL > from a resolved service?
Yes — the OP previously asked this on the Couchbase forum I administer. At that time the problem was that they were generating invalid URLs, by using the textual IPv6 address (which contains colons!) as the hostname. (What is the valid syntax for using a raw IPv6 address as the hostname in a URL?) > If so, I recommend that you avoid the "addresses" array entirely and simply > put the host name from the service into the URL. Is that always going to work? I haven't used the NSNetService.hostName property before — does every device running mDNS have a host name? A Mac probably does, presumably the Bonjour hostname configured in the Sharing pref pane, but does an iPhone have a hostname? A printer? Also, the docs say that the hostName property isn't populated until the service is resolved. At which time the actual IP addresses are also available, so why not just use those? > The advantage of this is that it pushes off the question of address selection > until connect time, and your connect-time code is better placed to decide > which address to use. The connect-time code here is the Couchbase Lite library, which the developer doesn't control. I do control it :) but my code just passes the URL to NSURLConnection and/or CFReadStreamCreateForHTTPRequest. Are those going to resolve this hostname properly? —Jens
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