internal IPv4Address GetIPAddressFromOption(DHCPv4OptionTypes optionType)
{
IPv4Address result = IPv4Address.Empty;
DHCPv4PacketAddressOption option = Options
.Where(x => x.OptionType == (Byte)optionType)
.Cast <DHCPv4PacketAddressOption>()
.FirstOrDefault();
if (option != null)
{
result = IPv4Address.FromAddress(option.Address);
}
return(result);
}
static DHCPv4PacketOptionFactory()
{
_constructorDict = new Dictionary <Byte, Func <byte[], DHCPv4PacketOption> >
{
{ (Byte)DHCPv4OptionTypes.SubnetMask, (data) => DHCPv4PacketAddressOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.TimeOffset, (data) => DHCPv4PacketTimeSpanOption.FromByteArray(data, 0, true) },
{ (Byte)DHCPv4OptionTypes.Router, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.TimeServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NameServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.DNSServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.LogServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.CookieServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.LRPServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.ImpressSever, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.ResourceLocationServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.Hostname, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.BootFileSize, (data) => DHCPv4PacketUInt16Option.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.MaritDumpFile, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.DomainName, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.SwapServer, (data) => DHCPv4PacketAddressOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.RootPath, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.ExtentionsPath, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.IpForwardingEnabled, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NonLocalSourceRouting, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.PolicyFilter, (data) => DHCPv4PacketRouteListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.MaximumDatagramReassembly, (data) => DHCPv4PacketUInt16Option.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.DefaultTTL, (data) => DHCPv4PacketByteOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.PathMTUAgingTimeout, (data) => DHCPv4PacketUInt32Option.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.PathMTUPlateauTable, (data) => DHCPv4PacketUInt16Option.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.InterfaceMTU, (data) => DHCPv4PacketUInt16Option.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.AllSubnetsAreLocal, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.BroadcastAddress, (data) => DHCPv4PacketAddressOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.PerformMaskDiscovery, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.MaskSupplier, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.PerformRouterDiscovery, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.RouterSolicitationAddress, (data) => DHCPv4PacketAddressOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.StaticRoute, (data) => DHCPv4PacketRouteListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.TrailerEncapsulation, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.ARPCacheTimeout, (data) => DHCPv4PacketTimeSpanOption.FromByteArray(data, 0, false) },
{ (Byte)DHCPv4OptionTypes.EthernetEncapsulation, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.TCPDefaultTTL, (data) => DHCPv4PacketByteOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.TCPKeepaliveGarbage, (data) => DHCPv4PacketBooleanOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetworkInformationServiceDomain, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetworkInformationServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetworkTimeProtocolServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.VendorSpecificInformation, (data) => DHCPv4PacketRawByteOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetBIOSoverTCP_IPNameServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetBIOSoverTCP_IPDatagramDistributionServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetBIOSoverTCP_IPNodeType, (data) => DHCPv4PacketByteOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetBIOSoverTCP_IPScope, (data) => DHCPv4PacketRawByteOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.XWindowSystemFontServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.XWindowSystemDisplayManager, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetworkInformationServicePlusDomain, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetworkInformationServicePlusServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.MobileIPHomeAgent, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.SMTPServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.POP3Servers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.NetworkNewsTransportProtocolServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.WWWServers, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.DefaultFingerServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.IRCServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.StreetTalkServer, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.StreetTalkDirectoryAssistance, (data) => DHCPv4PacketAddressListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.RequestedIPAddress, (data) => DHCPv4PacketAddressOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.IPAddressLeaseTime, (data) => DHCPv4PacketTimeSpanOption.FromByteArray(data, 0, false) },
{ (Byte)DHCPv4OptionTypes.OptionOverload, (data) => DHCPv4PacketByteOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.TFTPServername, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.BootfileName, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.MessageType, (data) => DHCPv4PacketMessageTypeOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.ServerIdentifier, (data) => DHCPv4PacketAddressOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.ParamterRequestList, (data) => DHCPv4PacketParameterRequestListOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.Message, (data) => DHCPv4PacketTextOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.MaximumDHCPMessageSize, (data) => DHCPv4PacketUInt16Option.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.RenewalTimeValue, (data) => DHCPv4PacketTimeSpanOption.FromByteArray(data, 0, false) },
{ (Byte)DHCPv4OptionTypes.RebindingTimeValue, (data) => DHCPv4PacketTimeSpanOption.FromByteArray(data, 0, false) },
{ (Byte)DHCPv4OptionTypes.VendorClassIdentifier, (data) => DHCPv4PacketRawByteOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.ClientIdentifier, (data) => DHCPv4PacketClientIdentifierOption.FromByteArray(data, 0) },
{ (Byte)DHCPv4OptionTypes.Option82, (data) => DHCPv4PacketRawByteOption.FromByteArray(data, 0) },
};
}