public virtual BACVnetVar Decode(BACPacket cm)
{
byte tag = cm.getByte();
switch (DecodeClass(tag))
{
case CLASS.APPLICATION:
CONTEXT_TAG ct = (CONTEXT_TAG)(cm.getByte() >> 4);
return(Decode(cm, ct));
case CLASS.CONTEXT:
// IF this is an Openning Tag
if ((tag & 0x0F) == 0x0E)
{
BACVnetConstructed constr = new BACVnetConstructed();
cm.getNextByte();
while (cm.hasMore() == true)
{
tag = cm.getByte();
// IF this is the closing Tag
if ((tag & 0x0F) == 0x0F)
{
cm.getNextByte();
break;
}
BACVnetVar vn = new BACVnetVar().Decode(cm);
constr.AddVar(vn);
//constr.AddVar(cm.getNextByte());
}
return(constr);
}
else
{
// This would be an error ??
CONTEXT_TAG ct1 = (CONTEXT_TAG)(cm.getByte() >> 4);
return(Decode(cm, ct1));
}
default:
break;
}
return(this);
}
public PDU Decode(BACPacket cm)
{
pduType = (BACnetPDU)(cm.getByte() >> 4);
switch (pduType)
{
case BACnetPDU.PDU_CONFIRMED_REQUEST:
pduType = BACnetPDU.PDU_CONFIRMED_REQUEST;
cm.SetAction(BACPacket.Action_Type.REQUEST);
return(new PDUConfirmedService().Decode(cm));
case BACnetPDU.PDU_UNCONFIRMED_SERVICE_REQUEST:
pduType = BACnetPDU.PDU_UNCONFIRMED_SERVICE_REQUEST;
cm.SetAction(BACPacket.Action_Type.REQUEST);
return(new PDUUnConfirmedService().Decode(cm));
case BACnetPDU.PDU_SIMPLEACK:
pduType = BACnetPDU.PDU_SEGMENTACK;
cm.SetAction(BACPacket.Action_Type.RESPONSE);
return(new PDUSimpleAck().Decode(cm));
case BACnetPDU.PDU_COMPLEXACK:
pduType = BACnetPDU.PDU_COMPLEXACK;
cm.SetAction(BACPacket.Action_Type.RESPONSE);
return(new PDUComplexAck().Decode(cm));
case BACnetPDU.PDU_SEGMENTACK:
case BACnetPDU.PDU_ERROR:
pduType = BACnetPDU.PDU_ERROR;
cm.SetAction(BACPacket.Action_Type.RESPONSE);
return(new PDUError().Decode(cm));
case BACnetPDU.PDU_REJECT:
pduType = BACnetPDU.PDU_REJECT;
cm.SetAction(BACPacket.Action_Type.RESPONSE);
return(new PDUReject().Decode(cm));
case BACnetPDU.PDU_ABORT:
return(this);
}
return(this);
}
new public PDU Decode(BACPacket cm)
{
System.Console.Write("Decoding PDUComplexAck");
byte a = cm.getNextByte();
segMessage = DecodeSegMessage(a);
moreFollows = DecodeMoreFollows(a);
segResponseAccp = DecodeSegResponse(a);
if (segResponseAccp == true)
{
maxSegmentsAccepted = (MAX_SEGMENTS_ACCEPTED)cm.getByte();
}
maxAPDUlengthAccepted = DecodeMaxAPDUlengthAccp(cm.getNextByte());
invokeID = cm.getNextByte();
// If the optional parameter are present
if (segMessage)
{
sequenceNumber = cm.getNextByte();
proposedWindowSize = cm.getNextByte();
}
serviceChoice = (ConfirmedServiceChoice)cm.getNextByte();
switch (serviceChoice)
{
case ConfirmedServiceChoice.READPROPERTY:
apduService = new APDUReadProperty();
apduService.Decode(cm);
break;
}
return(this);
}
public virtual NSDU Decode(BACPacket cm)
{
nlm = (Network_Layer_Message)cm.getByte();
switch (nlm)
{
case Network_Layer_Message.WHO_IS_ROUTER_TO_NETWORK:
return(new NSDU_Who_Is_Router_To_Network().Decode(cm));
case Network_Layer_Message.I_AM_ROUTER_TO_NETWORK:
return(new NSDU_I_Am_Router_To_Network().Decode(cm));
case Network_Layer_Message.I_COULD_BE_ROUTER_TO_NETWORK:
return(new NSDU_I_Could_be_Router_To_Network().Decode(cm));
case Network_Layer_Message.REJECT_MESSAGE_TO_NETWORK:
return(new NSDU_Reject_Message_To_Network().Decode(cm));
case Network_Layer_Message.ROUTER_BUSY_TO_NETWORK:
return(new NSDU_Router_Busy_To_Network().Decode(cm));
case Network_Layer_Message.INITIALIZE_ROUTING_TABLE:
return(new NSDU_Initialize_Routing_Table().Decode(cm));
case Network_Layer_Message.INITIALIZE_ROUTING_TABLE_ACK:
return(new NSDU_Initialize_Routing_Table_Ack().Decode(cm));
case Network_Layer_Message.ESTABLISH_CONNECTION_TO_NETWORK:
break;
case Network_Layer_Message.DISCONNECT_CONNECTION_TO_NETWORK:
break;
case Network_Layer_Message.CHALLENGE_REQUEST:
break;
case Network_Layer_Message.SECURITY_PAYLOAD:
break;
case Network_Layer_Message.SECURITY_RESPONSE:
break;
case Network_Layer_Message.REQUEST_KEY_UPDATE:
break;
case Network_Layer_Message.UPDATE_KEY_SET:
break;
case Network_Layer_Message.UPDATE_DISTRIBUTION_KEY:
break;
case Network_Layer_Message.REQUEST_MASTER_KEY:
break;
case Network_Layer_Message.SET_MASTER_KEY:
break;
case Network_Layer_Message.WHAT_IS_NETWORK_NUMBER:
break;
case Network_Layer_Message.NETWORK_NUMBER_IS:
break;
}
return(this);
}