private async Task <bool> ConstructMessageAsync(Stream outputMessageStream)
{
bool dataRead = false;
while (true)
{
var chunkHeader = await ReadDataOfSizeAsync(ChunkHeaderSize).ConfigureAwait(false);
var chunkSize = PackStreamBitConverter.ToUInt16(chunkHeader);
if (chunkSize == 0) //NOOP or end of message
{
//We have been reading data so this is the end of a message zero chunk
//Or there is no data remaining after this NOOP
if (dataRead || ChunkBufferRemaining <= 0)
{
break;
}
//Its a NOOP so skip it
continue;
}
var rawChunkData = await ReadDataOfSizeAsync(chunkSize).ConfigureAwait(false);
dataRead = true;
outputMessageStream.Write(rawChunkData, 0, chunkSize); //Put the raw chunk data into the outputstream
}
return(dataRead); //Return if a message was constructed
}
private int ReadChunkSize()
{
Array.ConstrainedCopy(_buffer, _lastReadPosition, _chunkSizeBuffer, 0, _chunkSizeBuffer.Length);
_lastReadPosition += _chunkSizeBuffer.Length;
return(PackStreamBitConverter.ToUInt16(_chunkSizeBuffer));
}
private int ReadChunkSize()
{
DataStreamBuffer.WriteInto(_chunkSizeBuffer, 0, ChunkHeaderSize);
return(PackStreamBitConverter.ToUInt16(_chunkSizeBuffer));
}