private static void PrepareContext(HeaderMessageContext <THeader> context, int size, ParsingState nextState)
{
// Reset context for next state
context.CurrentIndex = 0;
context.ReadSize = size;
if (context.ReadBuffer.Length < size) // Only increase read buffer if it is too small
{
context.ReadBuffer = new byte[size];
}
context.State = nextState;
}
/// <summary>
/// Create incoming message from transmission
/// </summary>
private static BinaryMessage ToMessage(HeaderMessageContext <THeader> headerContext)
{
var includesPayload = headerContext.State == ParsingState.ReadingPayload;
var payloadLength = includesPayload ? headerContext.Header.PayloadLength : 0;
var payload = includesPayload ? new byte[payloadLength] : BinaryMessage.EmptyBytes;
if (includesPayload)
{
Buffer.BlockCopy(headerContext.ReadBuffer, 0, payload, 0, payloadLength);
}
return(new BinaryMessage <THeader>(headerContext.Header, payload));
}
