internal void Write(IROCMessage message)
{
var frameBytes = BuildMessageFrame(message);
var frameLength = frameBytes.Length;
var bufferedBytes = new byte[frameLength];
Buffer.BlockCopy(frameBytes, 0, bufferedBytes, 0, frameLength);
Channel.Write(ref bufferedBytes, 0, frameLength);
}
internal bool ChecksumsMatch(IROCMessage message, byte[] messageFrame)
{
if (messageFrame.Length < message.MessageFrame.Length)
{
return(false);
}
// Compute the hash
using (CRC16 Hash = new CRC16())
{
var crc = BitConverter.ToUInt16(Hash.ComputeHash(message.MessageFrame, 0, (messageFrame.Length - CRC_LENGTH)), 0);
return(BitConverter.ToUInt16(messageFrame, messageFrame.Length - CRC_LENGTH) == crc);
}
}
internal byte[] BuildMessageFrame(IROCMessage message)
{
var messageBody = new List <byte>();
messageBody.AddRange(message.MessageFrame);
using (CRC16 Hash = new CRC16())
{
messageBody.AddRange(Hash.ComputeHash(message.MessageFrame, 0, messageBody.Count));
}
return(messageBody.ToArray());
}
