Module: Cuniculus::SupervisorMethods

Included in:
Supervisor
Defined in:
lib/cuniculus/supervisor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/cuniculus/supervisor.rb', line 11

def config
  @config
end

Instance Method Details

#connect(conn_opts) ⇒ Object 



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# File 'lib/cuniculus/supervisor.rb', line 30

def connect(conn_opts)
  conn = ::Bunny.new(conn_opts)
  conn.start
  conn
rescue StandardError => e
  raise Cuniculus.convert_exception_class(e, Cuniculus::RMQConnectionError)
end

#consumer_exception(consumer, _ex) ⇒ Object 



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# File 'lib/cuniculus/supervisor.rb', line 48

def consumer_exception(consumer, _ex)
  @consumer_lock.synchronize do
    @consumers.delete(consumer)
    unless @done
      # Reuse channel
      ch = consumer.channel
      name = consumer.queue.name
      c = Cuniculus::Consumer.new(self, name, ch)
      @consumers << c
      c.start
    end
  end
end

#create_consumers(conn, queues) ⇒ Object 



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# File 'lib/cuniculus/supervisor.rb', line 38

def create_consumers(conn, queues)
  consumers = []
  queues.each do |_name, q_cfg|
    ch = conn.create_channel(nil, q_cfg.thread_pool_size)
    ch.prefetch(q_cfg.prefetch_count) if q_cfg.prefetch_count
    consumers << Cuniculus::Consumer.new(q_cfg, ch)
  end
  consumers
end

#initialize(config) ⇒ Object 



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# File 'lib/cuniculus/supervisor.rb', line 13

def initialize(config)
  @config = config
  conn = connect(config.rabbitmq_opts)
  @consumers = create_consumers(conn, config.queues)
  @consumer_lock = Mutex.new
  @done = false
end

#start ⇒ Object 



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# File 'lib/cuniculus/supervisor.rb', line 21

def start
  @consumers.each(&:start)
end

#stop ⇒ Object 



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# File 'lib/cuniculus/supervisor.rb', line 25

def stop
  @done = true
  @consumers.each(&:stop)
end