There were some pretty substantial changes made to the way SCNetworkReachability works under the covers in 10.11 to address issues like this. The solution that Jens provided is a pretty good approximation for older systems.
If you do add smarts to handle proxies with reachability, it may be wise to only use it prior to 10.11. -josh > On May 23, 2016, at 5:12 AM, Yulia Bensman <[email protected]> wrote: > > Thanks for everyone, > But maybe – if it works correct in 10.11, maybe there is any means to make it > working in other versions of Mac OS? > > From: Jens Alfke [mailto:[email protected]] > Sent: Sunday, May 22, 2016 6:51 PM > To: Yulia Bensman > Cc: [email protected] > Subject: Re: How SCNetworkReachability works with proxy and no DNS resolving? > > In my code, I check whether the server’s address requires a proxy. If so, I > use the reachability API only to check whether an Internet connection is > available, and then try to connect. > > Here’s the code I use to check for a proxy: > > + (BOOL) usingProxyForURL: (NSURL*)url { > NSDictionary* settings = > CFBridgingRelease(CFNetworkCopySystemProxySettings()); > NSArray* proxies = CFBridgingRelease(CFNetworkCopyProxiesForURL((__bridge > CFURLRef)url, > (__bridge > CFDictionaryRef)settings)); > for (NSDictionary* proxy in proxies) { > if (![proxy[(id)kCFProxyTypeKey] isEqual: (id)kCFProxyTypeNone]) > return YES; > } > return NO; > } > > > —Jens > > > > > ************************************************************************************ > This footnote confirms that this email message has been scanned by > PineApp Mail-SeCure for the presence of malicious code, vandals & computer > viruses. > ************************************************************************************ > > = > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Macnetworkprog mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/macnetworkprog/jgraessley%40apple.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Macnetworkprog mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/macnetworkprog/archive%40mail-archive.com This email sent to [email protected]
