private Dictionary <int, DhcpOption> RequestedOptions(Dictionary <int, DhcpOption> optionDictionary, DhcpV4Message requestMsg)
{
if (optionDictionary != null && optionDictionary.Count > 0)
{
List <int> requestedCodes = requestMsg.GetRequestedOptionCodes();
if (requestedCodes != null && requestedCodes.Count > 0)
{
Dictionary <int, DhcpOption> newOptionDictionary = new Dictionary <int, DhcpOption>();
foreach (var req in requestedCodes)
{
if (optionDictionary.ContainsKey(req))
{
newOptionDictionary[req] = optionDictionary[req];
}
}
optionDictionary = newOptionDictionary;
}
}
return(optionDictionary);
}