new

# File actioncable/lib/action_cable/connection/client_socket.rb, line 32
      def initialize(env, event_target, event_loop, protocols)
        @env          = env
        @event_target = event_target
        @event_loop   = event_loop

        @url = ClientSocket.determine_url(@env)

        @driver = @driver_started = nil
        @close_params = ["", 1006]

        @ready_state = CONNECTING

        # The driver calls +env+, +url+, and +write+
        @driver = ::WebSocket::Driver.rack(self, protocols: protocols)

        @driver.on(:open)    { |e| open }
        @driver.on(:message) { |e| receive_message(e.data) }
        @driver.on(:close)   { |e| begin_close(e.reason, e.code) }
        @driver.on(:error)   { |e| emit_error(e.message) }

        @stream = ActionCable::Connection::Stream.new(@event_loop, self)
      end