class Async::HTTP::Protocol::HTTP11

def write_body(body, chunked = true)
	if body.nil? or body.empty?
		write_empty_body(body)
	elsif length = body.length
		write_fixed_length_body(body, length)
	elsif chunked
		write_chunked_body(body)
	else
		write_body_and_close(body)
	end
end