Reachability.swift

//
//  Reachability.swift
//  
//
//  Created by Rashmi Yadav on 5/16/15.
//
//

import Foundation
import SystemConfiguration

public class Reachability {
    public func connectedToNetwork() -> Bool {
        
        var zeroAddress = sockaddr_in()
        zeroAddress.sin_len = UInt8(sizeofValue(zeroAddress))
        zeroAddress.sin_family = sa_family_t(AF_INET)
        
        guard let defaultRouteReachability = withUnsafePointer(&zeroAddress, {
            SCNetworkReachabilityCreateWithAddress(nil, UnsafePointer($0))
        }) else {
            return false
        }
        
        var flags : SCNetworkReachabilityFlags = []
        if !SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags) {
            return false
        }
        
        let isReachable = flags.contains(.Reachable)
        let needsConnection = flags.contains(.ConnectionRequired)
        return (isReachable && !needsConnection)
    }
}