//public static DHCPv4Packet FromRequest(DHCPv4Packet request,
// DHCPv4MessagesTypes responseType,
// IEnumerable<DHCPv4PacketOption> options)
//{
// DHCPv4Packet result = new DHCPv4Packet();
// result._options = new List<DHCPv4PacketOption>(options);
// result._options.Insert(0, new DHCPv4PacketMessageTypeOption(responseType));
// result.MessageType = responseType;
// result.ClientHardwareAddress = ByteHelper.CopyData(request.ClientHardwareAddress);
// result.HardwareAddressLength = request.HardwareAddressLength;
// result.HardwareType = request.HardwareType;
// result.TransactionId = request.TransactionId;
// result.OpCode = DHCPv4PacketOperationCodes.BootReply;
// result.Flags = request.Flags;
// IPv4Address destionationAddress = null;
// if (request.IPv4Header.Source == IPv4Address.Empty)
// {
// if ((request.Flags & DHCPv4PacketFlags.Broadcast) == DHCPv4PacketFlags.Broadcast)
// {
// destionationAddress = IPv4Address.Broadcast;
// }
// else
// {
// destionationAddress = response.YourIPAdress;
// }
// }
// else
// {
// destionationAddress = IPv4Address.FromByteArray(request.IPv4Header.Source.GetBytes());
// }
// if (request.GatewayIPAdress != IPv4Address.Empty)
// {
// result.GatewayIPAdress = IPv4Address.FromByteArray(request.GatewayIPAdress.GetBytes());
// }
// IPv4Address sourceAddress = null;
// sourceAddress = IPv4Address.FromByteArray(request.IPv4Header.Destionation.GetBytes());
// //response.Options.Add(new DHCPv4ServerOption(DHCPv4OptionTypes.ServerIdentifier, response.SourceAddress));
// DHCPv4PacketOption clientIdentifer = request._options.FirstOrDefault(x => x.OptionType == (Byte)DHCPv4OptionTypes.ClientIdentifier);
// if (clientIdentifer != null)
// {
// result._options.Add(clientIdentifer);
// }
// result.IPv4Header = new IPv4HeaderInformation(sourceAddress, destionationAddress);
// return result;
//}
#endregion
#region Methods
private void SetClientIdentifier()
{
DHCPv4PacketClientIdentifierOption clientIdentifierOption = _options.OfType <DHCPv4PacketClientIdentifierOption>().FirstOrDefault();
if (clientIdentifierOption != null)
{
if (clientIdentifierOption.Identifier.HasHardwareAddress() == false)
{
_clientIdenfier = clientIdentifierOption.Identifier.AddHardwareAddress(ClientHardwareAddress);
}
else
{
_clientIdenfier = clientIdentifierOption.Identifier;
}
}
else
{
_clientIdenfier = DHCPv4ClientIdentifier.FromHwAddress((Byte)HardwareType, ClientHardwareAddress);
}
}
internal DHCPv4PacketClientIdentifierOption GetCopy() => DHCPv4PacketClientIdentifierOption.FromByteArray(GetByteStream(), 0);
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) },
};
}