class Async::HTTP::Protocol::HTTP2::Input

def initialize(stream, length)
	super(length)
	
	@stream = stream
	@remaining = length
end

def read
	if chunk = super
		# If we read a chunk fron the stream, we want to extend the window if required so more data will be provided.
		@stream.request_window_update
	end
	
	# We track the expected length and check we got what we were expecting.
	if @remaining
		if chunk
			@remaining -= chunk.bytesize
		elsif @remaining > 0
			raise EOFError, "Expected #{self.length} bytes, #{@remaining} bytes short!"
		elsif @remaining < 0
			raise EOFError, "Expected #{self.length} bytes, #{@remaining} bytes over!"
		end
	end
	
	return chunk
end