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

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/slack/real_time/concurrency/async.rb', line 16

def client
  @client
end

Instance Method Details

#close ⇒ Object

Close the socket.



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# File 'lib/slack/real_time/concurrency/async.rb', line 94

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 78

def connect!
  super
  run_loop
end

#current_time ⇒ Object 



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

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 84

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
end

#run_async(&block) ⇒ Object 



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

def run_async(&block)
  ::Async.run(&block)
end

#run_loop ⇒ Object 



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# File 'lib/slack/real_time/concurrency/async.rb', line 103

def run_loop
  while @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 22

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 28

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_timer
          client.run_ping! if @restart
        end
      end
    end

    while @restart
      @client_task&.stop

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

      @restart.wait
    end

    @ping_task&.stop
  end
end

#start_sync(client) ⇒ Object 



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# File 'lib/slack/real_time/concurrency/async.rb', line 18

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