Class: Katello::Messaging::StompConnection

Inherits:
Object
  • Object
show all
Defined in:
app/lib/katello/messaging/stomp_connection.rb

Instance Method Summary collapse

Constructor Details

#initialize(settings:) ⇒ StompConnection

Returns a new instance of StompConnection.



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# File 'app/lib/katello/messaging/stomp_connection.rb', line 6

def initialize(settings:)
  ssl_params = Stomp::SSLParams.new(
    key_file: settings[:ssl_key_file],
    cert_file: settings[:ssl_cert_file],
    ts_files: settings[:ssl_ca_file],
    fsck: false
  )

  @config = {
    hosts: [
      {
        host: settings[:broker_host],
        port: settings[:broker_port],
        ssl: ssl_params
      }
    ],
    logger: Rails.logger,
    max_reconnect_attempts: 2,
    start_timeout: 2,
    reliable: false,
    connect_headers: {
      'accept-version': '1.2',
      'host': settings[:broker_host],
      'heart-beat': '30000,30000',
      'client-id': settings[:client_id]
    }
  }

  @queue_name = settings[:queue_name]
  @subscription_name = settings[:subscription_name]
end

Instance Method Details

#close ⇒ Object 



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# File 'app/lib/katello/messaging/stomp_connection.rb', line 60

def close
  if open?
    @client.close
  end
end

#open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/lib/katello/messaging/stomp_connection.rb', line 56

def open?
  @client&.open?
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/lib/katello/messaging/stomp_connection.rb', line 52

def running?
  @client&.running && @client&.open?
end

#subscribe(queue_name: @queue_name, subscription_name: @subscription_name) ⇒ Object 



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# File 'app/lib/katello/messaging/stomp_connection.rb', line 38

def subscribe(queue_name: @queue_name, subscription_name: @subscription_name)
  options = {}
  options['ack'] = 'client-individual'
  options['durable-subscription-name'] = subscription_name if subscription_name

  client.subscribe(queue_name, options) do |message|
    received_message = Katello::Messaging::ReceivedMessage.new(body: message.body, headers: message.headers)
    yield(received_message)
    client.ack(message)
  end

  Rails.logger.info("Subscribed to #{queue_name}.#{subscription_name}")
end