Class: Sidekiq::Processor

Inherits:
Object
  • Object
show all
Includes:
Actor, Util
Defined in:
lib/sidekiq/processor.rb

Overview

The Processor receives a message from the Manager and actually processes it. It instantiates the worker, runs the middleware chain and then calls Sidekiq::Worker#perform.

Constant Summary collapse

STATS_TIMEOUT =

To prevent a memory leak, ensure that stats expire. However, they should take up a minimal amount of storage so keep them around for a long time

24 * 60 * 60 * 365 * 5

Constants included from Util

Util::EXPIRY

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Actor

included

Methods included from Util

#fire_event, #hostname, #identity, #logger, #redis, #watchdog

Methods included from ExceptionHandler

#handle_exception

Constructor Details

#initialize(boss) ⇒ Processor

Returns a new instance of Processor.


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# File 'lib/sidekiq/processor.rb', line 33

def initialize(boss)
  @boss = boss
end

Instance Attribute Details

#proxy_idObject

Returns the value of attribute proxy_id


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# File 'lib/sidekiq/processor.rb', line 31

def proxy_id
  @proxy_id
end

Class Method Details

.default_middlewareObject


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# File 'lib/sidekiq/processor.rb', line 20

def self.default_middleware
  Middleware::Chain.new do |m|
    m.add Middleware::Server::Logging
    m.add Middleware::Server::RetryJobs
    if defined?(::ActiveRecord::Base)
      require 'sidekiq/middleware/server/active_record'
      m.add Sidekiq::Middleware::Server::ActiveRecord
    end
  end
end

Instance Method Details

#inspectObject


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# File 'lib/sidekiq/processor.rb', line 70

def inspect
  "<Processor##{object_id.to_s(16)}>"
end

#process(work) ⇒ Object


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# File 'lib/sidekiq/processor.rb', line 37

def process(work)
  msgstr = work.message
  queue = work.queue_name

  @boss.async.real_thread(proxy_id, Thread.current)

  ack = true
  begin
    msg = Sidekiq.load_json(msgstr)
    klass  = msg['class'].constantize
    worker = klass.new
    worker.jid = msg['jid']

    stats(worker, msg, queue) do
      Sidekiq.server_middleware.invoke(worker, msg, queue) do
        worker.perform(*cloned(msg['args']))
      end
    end
  rescue Sidekiq::Shutdown
    # Had to force kill this job because it didn't finish
    # within the timeout.  Don't acknowledge the work since
    # we didn't properly finish it.
    ack = false
  rescue Exception => ex
    handle_exception(ex, msg || { :message => msgstr })
    raise
  ensure
    work.acknowledge if ack
  end

  @boss.async.processor_done(current_actor)
end