public List <byte> Encode(XElement xParentElem)
{
packet = new List <byte>();
XElement xElem = (XElement)xParentElem.Element("NetworkCtl");
packet.Add(0x01); // Version
packet.Add(0x00); // default values
var value = xElem.Element("MessageType").Value;
messageType = (MTYPE)System.Enum.Parse(typeof(MTYPE), value, true);
packet[1] = EncodeMType(messageType, packet[1]);
value = xElem.Element("ExpectingReply").Value;
expectingReply = (CONFIRM)System.Enum.Parse(typeof(CONFIRM), value, true);
if (xElem.Element("Destination") != null)
{
packet[1] = EncodeDestonation(1, packet[1]);
AddrUnit a = new AddrUnit(AddrUnit.ADDR_TYPE.DESTONATION);
packet.AddRange(a.Encode(xElem.Element("Destination")));
}
if (xElem.Element("Source") != null)
{
packet[1] = EncodeSource(1, packet[1]);
AddrUnit a = new AddrUnit(AddrUnit.ADDR_TYPE.SOURCE);
packet.AddRange(a.Encode(xElem.Element("Destination")));
}
if (xElem.Element("Destination") != null)
{
byte hops = 0;
if (xElem.Element("Destination").Element("HopCount") != null)
{
value = xElem.Element("Destination").Element("HopCount").Value;
hops = Convert.ToByte(value, 16);
}
packet.Add(hops);
}
if (messageType == MTYPE.APPICATION)
{
packet.AddRange(pdu.Encode(xParentElem));
}
else
{
nsdu = nsdu.Encode(xParentElem);
}
return(packet);
}
public Boolean Decode(BACPacket cm)
{
pciVersion = cm.getNextByte(); // PIC Version is allways 0x01
if (pciVersion != 0x01)
{
return(false);
}
byte picByt = cm.getNextByte();
messageType = this.DecodeMType(picByt);
destPresent = this.DecodeDestonation(picByt);
srcPresent = this.DecodeSource(picByt);
expectingReply = this.DecodeExpectingReply(picByt);
priority = this.DecodePriority(picByt);
//IF it contains the destonation addr get it
if (destPresent == PRESENCES.EXIST)
{
destAddr.Decode(cm);
}
//IF it contains the source addr get it
if (srcPresent == PRESENCES.EXIST)
{
srcAddr.Decode(cm);
}
//IF it contains the destonation don't forget the hop count
if (destPresent == PRESENCES.EXIST)
{
hopCnt = cm.getNextByte();
}
if (messageType == MTYPE.APPICATION)
{
pdu = pdu.Decode(cm);
}
else
{
nsdu = nsdu.Decode(cm);
}
return(true);
}
