Class: Slack::RealTime::Concurrency::Async::Socket

Inherits:
Socket
  • Object
show all
Defined in:
lib/slack/real_time/concurrency/async.rb

Instance Attribute Summary collapse

Attributes inherited from Socket

#driver, #options, #url

Instance Method Summary collapse

Methods inherited from Socket

#connected?, #initialize, #send_data, #time_since_last_message

Constructor Details

This class inherits a constructor from Slack::RealTime::Socket

Instance Attribute Details

#clientObject (readonly)

Returns the value of attribute client


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# File 'lib/slack/real_time/concurrency/async.rb', line 15

def client
  @client
end

Instance Method Details

#closeObject

Close the socket.


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# File 'lib/slack/real_time/concurrency/async.rb', line 90

def close
  super
ensure
  if @socket
    @socket.close
    @socket = nil
  end
end

#connect!Object


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# File 'lib/slack/real_time/concurrency/async.rb', line 74

def connect!
  super
  run_loop
end

#current_timeObject


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# File 'lib/slack/real_time/concurrency/async.rb', line 70

def current_time
  ::Async::Clock.now
end

#disconnect!Object

Kill the restart/ping loop.


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# File 'lib/slack/real_time/concurrency/async.rb', line 80

def disconnect!
  super
ensure
  if restart = @restart
    @restart = nil
    restart.signal
  end
end

#restart_async(_client, new_url) ⇒ Object


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# File 'lib/slack/real_time/concurrency/async.rb', line 63

def restart_async(_client, new_url)
  @url = new_url
  @last_message_at = current_time

  @restart.signal if @restart
end

#run_loopObject


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# File 'lib/slack/real_time/concurrency/async.rb', line 99

def run_loop
  while @driver && @driver.next_event
    # $stderr.puts event.inspect
  end
end

#start_async(client) ⇒ Object


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# File 'lib/slack/real_time/concurrency/async.rb', line 21

def start_async(client)
  Thread.new do
    start_reactor(client)
  end
end

#start_reactor(client) ⇒ Object


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# File 'lib/slack/real_time/concurrency/async.rb', line 27

def start_reactor(client)
  Async do |task|
    @restart = ::Async::Notification.new

    if client.run_ping?
      @ping_task = task.async do |subtask|
        subtask.annotate 'client keep-alive'

        # The timer task will naturally exit after the driver is set to nil.
        while @restart
          subtask.sleep client.websocket_ping
          client.run_ping! if @restart
        end
      end
    end

    while @restart
      @client_task.stop if @client_task

      @client_task = task.async do |subtask|
        begin
          subtask.annotate 'client run-loop'
          client.run_loop
        rescue ::Async::Wrapper::Cancelled => e
          # Will get restarted by ping worker.
          client.logger.warn(subtask.to_s) { e.message }
        end
      end

      @restart.wait
    end

    @ping_task.stop if @ping_task
  end
end

#start_sync(client) ⇒ Object


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# File 'lib/slack/real_time/concurrency/async.rb', line 17

def start_sync(client)
  start_reactor(client).wait
end