private string GetUserData()
{
if (userDataUrl.Contains(DhcpServerPlaceholder))
{
List <IPAddress> dhcpServers = NetworkUtilities.GetDhcpServers();
foreach (IPAddress address in dhcpServers)
{
string userData = NetworkUtilities.HttpGet(userDataUrl.Replace(DhcpServerPlaceholder, address.ToString()));
if (userData != null)
{
return(userData);
}
}
return(null);
}
else
{
return(NetworkUtilities.HttpGet(userDataUrl));
}
}