Module: Legion::Transport::Connection

Defined in:
lib/legion/transport/connection.rb

Class Method Summary collapse

Class Method Details

.channel ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/legion/transport/connection.rb', line 57

def channel # rubocop:disable Metrics/AbcSize
  return @channel_thread.value if !@channel_thread.value.nil? && @channel_thread.value.open?

  @channel_thread.value = session.create_channel
  if Legion::Transport::TYPE == 'march_hare'
    @channel_thread.value.basic_qos(Legion::Settings[:transport][:prefetch])
  else
    @channel_thread.value.prefetch(Legion::Settings[:transport][:prefetch])
  end
  @channel_thread.value
end

.channel_open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/transport/connection.rb', line 78

def channel_open?
  channel.open?
end

.channel_thread ⇒ Object 



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# File 'lib/legion/transport/connection.rb', line 74

def channel_thread
  channel
end

.connector ⇒ Object 



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# File 'lib/legion/transport/connection.rb', line 7

def connector
  Legion::Transport::CONNECTOR
end

.session ⇒ Object 



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# File 'lib/legion/transport/connection.rb', line 69

def session
  nil if @session.nil?
  @session.value
end

.session_open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/transport/connection.rb', line 82

def session_open?
  session.open?
end

.setup ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity,Metrics/MethodLength



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# File 'lib/legion/transport/connection.rb', line 11

def setup # rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity,Metrics/MethodLength
  Legion::Logging.info("Using transport connector: #{Legion::Transport::CONNECTOR}")

  if @session.respond_to?(:value) && session.respond_to?(:closed?) && session.closed?
    @channel_thread = Concurrent::ThreadLocalVar.new(nil)
  elsif @session.respond_to?(:value) && session.respond_to?(:closed?) && session.open?
    nil
  elsif Legion::Transport::TYPE == 'march_hare'
    @session ||= Concurrent::Atom.new(
      MarchHare.connect(host: Legion::Settings[:transport][:connection][:host],
                        vhost: Legion::Settings[:transport][:connection][:vhost],
                        user: Legion::Settings[:transport][:connection][:user],
                        password: Legion::Settings[:transport][:connection][:password],
                        port: Legion::Settings[:transport][:connection][:port])
    )
    @channel_thread = Concurrent::ThreadLocalVar.new(nil)
    session.start
    session.create_channel.basic_qos(1)
  else
    @session ||= Concurrent::Atom.new(
      connector.new(
        Legion::Settings[:transport][:connection],
        logger: Legion::Logging::Logger.new(level: 'warn'),
        log_level: :info
      )
    )
    @channel_thread = Concurrent::ThreadLocalVar.new(nil)
    session.start
    session.create_channel.basic_qos(20, true)
  end

  if session.respond_to? :on_blocked
    session.on_blocked { Legion::Logging.warn('Legion::Transport is being blocked by RabbitMQ!') }
  end

  if session.respond_to? :on_unblocked
    session.on_unblocked { Legion::Logging.info('Legion::Transport is no longer being blocked by RabbitMQ') }
  end

  if session.respond_to? :after_recovery_completed
    session.after_recovery_completed { Legion::Logging.info('Legion::Transport has completed recovery') }
  end

  true
end

.shutdown ⇒ Object 



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# File 'lib/legion/transport/connection.rb', line 86

def shutdown
  session.close
end