public static VarPacket CreateReadResponse(object owner, IPEndPoint endPoint, List <decimal> varValues)
{
if (endPoint == null)
{
throw new ArgumentNullException();
}
var p = new VarPacket()
{
EndPoint = endPoint, Owner = owner
};
int index = 0;
if (varValues == null)
{
p.Data = new byte[9];
p.Data.WriteAt(BitConverter.GetBytes(9), ref index);
p.Data[4] = 1;
++index;
p.Data.WriteAt(BitConverter.GetBytes(0), ref index);
}
else
{
int len = 9 + (varValues.Count << 4);
p.Data = new byte[len];
p.Data.WriteAt(BitConverter.GetBytes(len), ref index);
p.Data[4] = 1;
++index;
p.Data.WriteAt(BitConverter.GetBytes(varValues.Count), ref index);
for (int i = 0; i < varValues.Count; ++i)
{
p.Data.WriteAt(DecimalConverter.GetBytes(varValues[i]), ref index);
}
}
return(p);
}
public static VarPacket CreateWriteRequest(object owner, IPEndPoint endPoint, List <string> varNames, decimal value)
{
if (endPoint == null || varNames == null)
{
throw new ArgumentNullException();
}
var p = new VarPacket()
{
EndPoint = endPoint, Owner = owner
};
int len = 25 + (varNames.Count << 2);
for (int i = 0; i < varNames.Count; ++i)
{
len += (sizeof(char) * varNames[i].Length);
}
int index = 0;
p.Data = new byte[len];
p.Data.WriteAt(BitConverter.GetBytes(len), ref index);
p.Data[4] = 2;
++index;
p.Data.WriteAt(BitConverter.GetBytes(varNames.Count), ref index);
for (int i = 0; i < varNames.Count; ++i)
{
p.Data.WriteAt(BitConverter.GetBytes(varNames[i].Length * sizeof(char)), ref index);
p.Data.WriteAt(varNames[i].ToCharArray(), ref index);
}
p.Data.WriteAt(DecimalConverter.GetBytes(value), ref index);
return(p);
}