public Pdu(byte[] recievedPdu)
{
int Type = recievedPdu[1];
pduHeaderLen = (Type == 2 || Type == 3) ? 12 : 10;
byte[] array = new byte[pduHeaderLen];
Array.Copy(recievedPdu, 0, array, 0, pduHeaderLen);
header = EndianessMarshaler.BytesToStruct <PDUHeader>(array);
Param = new List <byte>();
array = new byte[header.plen];
Array.Copy(recievedPdu, pduHeaderLen, array, 0, header.plen);
Param.AddRange(array);
Data = new List <byte>();
array = new byte[header.dlen];
header.dlen = (ushort)Math.Min(header.dlen, recievedPdu.Length - pduHeaderLen - header.plen);//for OLD PLC: recievedPdu.Length = 400, header.dlen = 448
Array.Copy(recievedPdu, pduHeaderLen + header.plen, array, 0, header.dlen);
Data.AddRange(array);
UData = new List <byte>();
initUData();
}
public virtual byte[] ToBytes()
{
//Todo byteswap within the length of the pdu headers!
header.plen = (ushort)Param.Count;
header.dlen = (ushort)Data.Count;
var retVal = new byte[pduHeaderLen + header.plen + header.dlen];
byte[] bheader = EndianessMarshaler.StructToBytes <PDUHeader>(header);
Array.Copy(bheader, 0, retVal, 0, pduHeaderLen);
Array.Copy(Param.ToArray(), 0, retVal, pduHeaderLen, Param.Count);
Array.Copy(Data.ToArray(), 0, retVal, pduHeaderLen + Param.Count, Data.Count);
return(retVal);
}
public Pdu(byte[] recievedPdu)
{
int Type = recievedPdu[1];
pduHeaderLen = (Type == 2 || Type == 3) ? 12 : 10;
byte[] array = new byte[pduHeaderLen];
Array.Copy(recievedPdu, 0, array, 0, pduHeaderLen);
header = EndianessMarshaler.BytesToStruct <PDUHeader>(array);
Param = new List <byte>();
array = new byte[header.plen];
Array.Copy(recievedPdu, pduHeaderLen, array, 0, header.plen);
Param.AddRange(array);
Data = new List <byte>();
array = new byte[header.dlen];
Array.Copy(recievedPdu, pduHeaderLen + header.plen, array, 0, header.dlen);
Data.AddRange(array);
UData = new List <byte>();
}
