Module: Rabbit::Publishing

Extended by:
Publishing
Included in:
Publishing
Defined in:
lib/rabbit/publishing.rb,
lib/rabbit/publishing/job.rb,
lib/rabbit/publishing/message.rb,
lib/rabbit/publishing/channels_pool.rb

Defined Under Namespace

Classes: ChannelsPool, Job, Message

Constant Summary collapse

MUTEX = 
Mutex.new

Instance Method Summary collapse

Instance Method Details

#pool ⇒ Object 



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# File 'lib/rabbit/publishing.rb', line 44

def pool
  MUTEX.synchronize { @pool ||= ChannelsPool.new(create_client) }
end

#publish(msg) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/rabbit/publishing.rb', line 13

def publish(msg) # rubocop:disable Metrics/MethodLength
  return if Rabbit.config.skip_publish?

  attempt = 0
  begin
    pool.with_channel msg.confirm_select? do |ch|
      ch.basic_publish *msg.basic_publish_args

      raise MessageNotDelivered, "RabbitMQ message not delivered: #{msg}" \
        if msg.confirm_select? && !ch.wait_for_confirms

      log msg
    end
  rescue *Rabbit.config.connection_reset_exceptions => error
    attempt += 1
    if attempt <= Rabbit.config.connection_reset_max_retries
      sleep(Rabbit.config.connection_reset_timeout)
      reinitialize_channels_pool
      retry
    else
      raise error
    end
  rescue Timeout::Error
    raise MessageNotDelivered, <<~MESSAGE
      Timeout while sending message #{msg}. Possible reasons:
        - #{msg.real_exchange_name} exchange is not found
        - RabbitMQ is extremely high loaded
    MESSAGE
  end
end