check internet connection in cocoa application

Question

Hi

How do I check internet connection in cocoa application? Can Reachability code from iphone apple example be reused for this purpose?

Thanks,

Nava

Answer 1

This code will help you to find if internet is reachable or not:

-(BOOL)isInternetAvail
{
    BOOL bRet = FALSE;
    const char *hostName = [@"google.com" cStringUsingEncoding:NSASCIIStringEncoding];
    SCNetworkConnectionFlags flags = 0;

    if (SCNetworkCheckReachabilityByName(hostName, &flags) && flags > 0) 
    {
        if (flags == kSCNetworkFlagsReachable)
        {
            bRet = TRUE;
        }
        else
        {
        }
    }
    else 
    {
    }
    return bRet;
}

For more information you can look at the iphone-reachability

Answer 2

Apple has a nice code which does it for you. You can check if your connection is WiFi for instnace or just cell/WiFi. link text