Class: Banter::Server::ClientQueueListener

Inherits:
Object
  • Object
show all
Includes:
Celluloid
Defined in:
lib/banter/server/client_queue_listener.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(worker_class, request_key, queue_name, durable = true, pool_size = 100, topic = nil) ⇒ ClientQueueListener

Returns a new instance of ClientQueueListener.



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# File 'lib/banter/server/client_queue_listener.rb', line 13

def initialize(worker_class, request_key, queue_name, durable = true, pool_size = 100, topic = nil)
  @topic        = topic || Banter::Configuration.topic_prefix
  @request_key  = request_key
  @worker_class = worker_class
  @queue_name   = queue_name
  @subscriber   = ::Banter::Server::RabbitMQSubscriber.new(@request_key, @queue_name, worker_class.queue_ttl, durable, pool_size, @topic)
end

Instance Attribute Details

#worker_class ⇒ Object (readonly)

Returns the value of attribute worker_class.



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# File 'lib/banter/server/client_queue_listener.rb', line 11

def worker_class
  @worker_class
end

Instance Method Details

#message_received(delivery_info, properties, envelope) ⇒ Object 



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# File 'lib/banter/server/client_queue_listener.rb', line 32

def message_received(delivery_info, properties, envelope)
  Banter::RabbitLogger.log(::Logger::DEBUG, "Message received by listener on #{worker_class.name} with payload: #{envelope[:payload]}")
  worker  = worker_class.new(delivery_info, properties, envelope[:context])
  payload = envelope[:payload]
  track_message_received(worker, payload)
  worker.perform!(payload)
  track_message_successful
rescue ::Banter::PayloadValidationError => banter_error
  track_message_failed(banter_error, false)
  Banter::RabbitLogger.log(::Logger::ERROR, { worker: worker_class.name, message: banter_error.message, envelope: envelope })
  Airbrake.notify(banter_error,
                  params: {
                    info:       delivery_info,
                    properties: properties,
                    context:    envelope[:context],
                    payload:    envelope[:payload],
                    message:    "Validation error for #{worker_class.name}"
                  })
rescue => e
  track_message_failed(e, true)
  Banter::RabbitLogger.log(::Logger::DEBUG, "Failed message for #{worker_class.name} #{e.message}")
  Airbrake.notify(e,
                  params: {
                    info:       delivery_info,
                    properties: properties,
                    context:    envelope[:context],
                    payload:    envelope[:payload],
                    message:    "Failed perform for #{worker_class.name}"
                  })

end

#shutdown ⇒ Object 



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# File 'lib/banter/server/client_queue_listener.rb', line 28

def shutdown
  @subscriber.teardown if @subscriber.present?
end

#start ⇒ Object 



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# File 'lib/banter/server/client_queue_listener.rb', line 21

def start
  @subscriber.start(false) do |delivery_info, properties, envelope|
    message_received(delivery_info, properties, envelope)
    true
  end
end