# File lib/mq/rpc.rb, line 93
    def method_missing meth, *args, &blk
      # XXX use uuids instead
      message_id = "random message id #{::Kernel.rand(999_999_999_999)}"
      @callbacks[message_id] = blk if blk
      @remote.publish(::Marshal.dump([meth, *args]), :reply_to => blk ? @name : nil, :message_id => message_id)
    end