class Protocol::HTTP2::Stream

def receive_headers(frame)
	if @state == :idle
		if frame.end_stream?
			@state = :half_closed_remote
		else
			open!
		end
		
		process_headers(frame)
	elsif @state == :reserved_remote
		process_headers(frame)
		
		@state = :half_closed_local
	elsif @state == :open
		process_headers(frame)
		
		if frame.end_stream?
			@state = :half_closed_remote
		end
	elsif @state == :half_closed_local
		process_headers(frame)
		
		if frame.end_stream?
			close!
		end
	elsif self.closed?
		ignore_headers(frame)
	else
		self.send_reset_stream(Error::STREAM_CLOSED)
	end
end