/**
* For sending global broadcasts
*
* @param source
* optional source address
*/
public NPDU(Address source)
{
version = 1;
control = new NLPCI(0); //new BitArray(1));
control.IsDestinationSpecific = true;
destinationNetworkAddress = ushort.MaxValue; //(ushort) 0xFFFF;
hopCount = 0xFF;
setSourceAddress(source);
}
public NPDU(ByteStream source)
{
version = source.ReadByte();
control = new NLPCI(source.ReadByte());
if (control.IsDestinationSpecific)
{
destinationNetworkAddress = source.popU2B();
destinationMacLyerAddressLength = source.popU1B();
if (destinationMacLyerAddressLength > 0)
{
destinationAddress = new byte[destinationMacLyerAddressLength];
source.Read(destinationAddress);
}
}
if (control.IsSourceSpecific)
{
// TODO Check address length
sourceNetworkAddress = source.popU2B();
sourceMacLyerAddressLength = source.popU1B();
sourceAddress = new byte[sourceMacLyerAddressLength];
source.Read(destinationAddress);
}
if (control.IsDestinationSpecific)
{
hopCount = source.popU1B();
}
if (control.IsNetworkLayerMessage)
{
messageType = source.popU1B();
if (messageType >= 80)
{
vendorId = source.popU2B();
}
}
}
public NPDU(Address destination, Address source, bool expectsReply)
{
version = 1;
control = new NLPCI(1); //new BitArray(1));
if (destination != null)
{
control.IsDestinationSpecific = true;
destinationNetworkAddress = (ushort)destination.NetworkNumber.Value;
destinationAddress = destination.MacAddress.Bytes;
if (destinationAddress != null)
{
destinationMacLyerAddressLength = (byte)destinationAddress.Length;
}
hopCount = 0xFF;
}
setSourceAddress(source);
if (expectsReply)
{
control.ExpectsReply = true;
}
}
