Check your Internet connection Utility

Utility.swift

import UIKit

import SystemConfiguration

class Utility: NSObject {

    class func isConnectedToNetwork() -> Bool {

        

        var zeroAddress = sockaddr_in(sin_len: 0, sin_family: 0, sin_port: 0, sin_addr: in_addr(s_addr: 0), sin_zero: (0, 0, 0, 0, 0, 0, 0, 0))

        zeroAddress.sin_len = UInt8(MemoryLayout.size(ofValue: zeroAddress))

        zeroAddress.sin_family = sa_family_t(AF_INET)

        

        let defaultRouteReachability = withUnsafePointer(to: &zeroAddress) {

            $0.withMemoryRebound(to: sockaddr.self, capacity: 1) {zeroSockAddress in

                SCNetworkReachabilityCreateWithAddress(nil, zeroSockAddress)

            }

        }

        

        var flags: SCNetworkReachabilityFlags = SCNetworkReachabilityFlags(rawValue: 0)

        if SCNetworkReachabilityGetFlags(defaultRouteReachability!, &flags) == false {

            return false

        }

        

        let isReachable = flags == .reachable

        let needsConnection = flags == .connectionRequired

        

        return isReachable && !needsConnection

        

    }

    

}

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