Swift Quick Internet Availability Check
| import SystemConfiguration | |
| public class Reachability { | |
| class func isConnectedToNetwork() -> Bool { | |
| var zeroAddress = sockaddr_in() | |
| zeroAddress.sin_len = UInt8(sizeofValue(zeroAddress)) | |
| zeroAddress.sin_family = sa_family_t(AF_INET) | |
| let defaultRouteReachability = withUnsafePointer(&zeroAddress) { | |
| SCNetworkReachabilityCreateWithAddress(nil, UnsafePointer($0)) | |
| } | |
| var flags = SCNetworkReachabilityFlags() | |
| if !SCNetworkReachabilityGetFlags(defaultRouteReachability!, &flags) { | |
| return false | |
| } | |
| let isReachable = (flags.rawValue & UInt32(kSCNetworkFlagsReachable)) != 0 | |
| let needsConnection = (flags.rawValue & UInt32(kSCNetworkFlagsConnectionRequired)) != 0 | |
| return (isReachable && !needsConnection) | |
| } | |
| } |
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