class Protocol::HTTP2::Connection

def receive_data(frame)
	update_local_window(frame)
	
	if stream = @streams[frame.stream_id]
		stream.receive_data(frame)
	elsif closed_stream_id?(frame.stream_id)
		# This can occur if one end sent a stream reset, while the other end was sending a data frame. It's mostly harmless.
	else
		raise ProtocolError, "Cannot receive data for stream id #{frame.stream_id}"
	end
end