To ping the server to determine if it is reachable

Here is the method to ping if the server is reachable.

- (BOOL)canPingServer {

    

    NSString *serverAddress = urlField.text;

    

    NSLog(@"ping domain: %@", serverAddress);

    

    Reachability* reachability = [[Reachability reachabilityWithHostName: serverAddress] retain];

    NetworkStatus netStatus = [reachability currentReachabilityStatus];

    

    if ((netStatus == ReachableViaWWAN) || (netStatus == ReachableViaWiFi)) 

            return YES;

    else 

            return NO;

    

}