func monitorReachabilityChanges(reach: (reachabilityStatus: ReachabilityStatus) -> ()) {
    let host = "google.com"
    var context = SCNetworkReachabilityContext(version: 0, info: nil, retain: nil, release: nil, copyDescription: nil)
    let reachability = SCNetworkReachabilityCreateWithName(nil, host)!

    SCNetworkReachabilitySetCallback(reachability, { (_, flags, _) in
        let status = ReachabilityStatus(reachabilityFlags: flags)

        // NSNotificationCenter.defaultCenter().postNotificationName(ReachabilityStatusChangedNotification, object: nil, userInfo: ["Status": status.description])

        reach(reachabilityStatus: status)

    }, &context)



    SCNetworkReachabilityScheduleWithRunLoop(reachability, CFRunLoopGetMain(), kCFRunLoopCommonModes)
}