Class: Sidekiq::Manager

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

Overview

The main router in the system. This manages the processor state and fetches messages from Redis to be dispatched to an idle processor.

Instance Method Summary collapse

Methods included from Util

#constantize, logger, #logger, logger=, process_id, #process_id, #redis, #watchdog

Constructor Details

#initialize(options = {}) ⇒ Manager

Returns a new instance of Manager.


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# File 'lib/sidekiq/manager.rb', line 21

def initialize(options={})
  logger.info "Booting sidekiq #{Sidekiq::VERSION} with Redis at #{redis.client.location}"
  logger.debug { options.inspect }
  @count = options[:concurrency] || 25
  @queues = options[:queues]
  @done_callback = nil

  @done = false
  @busy = []
  @ready = @count.times.map { Processor.new_link(current_actor) }
end

Instance Method Details

#processor_died(processor, reason) ⇒ Object


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# File 'lib/sidekiq/manager.rb', line 85

def processor_died(processor, reason)
  @busy.delete(processor)

  unless stopped?
    @ready << Processor.new_link(current_actor)
    dispatch
  end
end

#processor_done(processor) ⇒ Object


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# File 'lib/sidekiq/manager.rb', line 71

def processor_done(processor)
  watchdog('sidekiq processor_done crashed!') do
    @done_callback.call(processor) if @done_callback
    @busy.delete(processor)
    processor.msg = processor.queue = nil
    if stopped?
      processor.terminate if processor.alive?
    else
      @ready << processor
    end
    dispatch
  end
end

#startObject


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# File 'lib/sidekiq/manager.rb', line 63

def start
  dispatch(true)
end

#stopObject


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

def stop
  @done = true
  @ready.each(&:terminate)
  @ready.clear

  redis.with_connection do |conn|
    workers = conn.smembers('workers')
    workers.each do |name|
      conn.srem('workers', name) if name =~ /:#{process_id}-/
    end
  end

  if @busy.empty?
    return signal(:shutdown)
  end

  logger.info("Pausing 5 seconds to allow workers to finish...")
  after(5) do
    @busy.each(&:terminate)
    redis.with_connection do |conn|
      conn.multi do
        @busy.each do |busy|
          conn.lpush("queue:#{busy.queue}", busy.msg)
        end
      end
    end
    signal(:shutdown)
  end
end

#when_done(&blk) ⇒ Object


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# File 'lib/sidekiq/manager.rb', line 67

def when_done(&blk)
  @done_callback = blk
end