Re: Network and DarkWake
Re: Network and DarkWake
- Subject: Re: Network and DarkWake
- From: Matt Patenaude <email@hidden>
- Date: Sun, 02 Sep 2012 01:34:37 -0400
You might consider using SCNetworkReachability to monitor when the availability of time.apple.com changes.
https://developer.apple.com/library/mac/#documentation/SystemConfiguration/Reference/SCNetworkReachabilityRef/Reference/reference.html
-Matt
On Sep 2, 2012, at 1:23 AM, "Gerriet M. Denkmann" <email@hidden> wrote:
>
> On 31 Aug 2012, at 23:57, Marco S Hyman <email@hidden> wrote:
>
>> On Aug 31, 2012, at 6:04 AM, Gerriet M. Denkmann <email@hidden> wrote:
>>
>>> But often (not always) my app (while in DarkWake) gets:
>>> Error getaddrinfo(time.apple.com, ntp) -> nodename nor servname provided, or not known
>>
>> I believe its a race condition. NTP is trying to access the network
>> before it is fully re-initialized. I'll see this (or similar network
>> races) when waking my iMac up. I don't believe it has anything to
>> do with DarkWake, specifically.
>
> You are probably right.
>
> I changed my app so that if getaddrinfo() does not succeed, it waits 10 seconds, then tries again.
> This seems to have fixed the problem.
>
> Thanks for your suggestion!
>
> Kind regards,
>
> Gerriet.
>
>
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