Class: Kongnomal::BeanstalkServer

Inherits:
Object
  • Object
show all
Defined in:
lib/kongnomal/beanstalk_server.rb

Instance Method Summary collapse

Constructor Details

#initialize(&blk) ⇒ BeanstalkServer

Returns a new instance of BeanstalkServer.



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# File 'lib/kongnomal/beanstalk_server.rb', line 3

def initialize(&blk)
  @on_startup = block_given? ? blk : Proc.new { puts "beanstalk server is up and running..." }
  at_exit {stop_beanstalkd}
  self
end

Instance Method Details

#connect_to(ip, port_number) ⇒ Object 



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# File 'lib/kongnomal/beanstalk_server.rb', line 14

def connect_to(ip, port_number)
  job_event_queue = job_event_queue("#{ip}:#{port_number}", Kongnomal::JobQueue::JOB_EVENT_TUBE)
  @on_startup.call

  loop do
    job = begin
      job_event_queue.reserve
    rescue Exception => e
      puts "Failed to retrieve job event from #{ip}:#{port_number}[#{Kongnomal::JobQueue::JOB_EVENT_TUBE}]"
      raise e
    end

    job_evented = JSON.parse(job.body)
    begin
      Kongnomal::Job.send(job_evented["state"]).call(job_evented)
    rescue Exception => e
      job.release(nil, 60)
      puts "Failed to process job event: #{job_evented.inspect}, retrying 60 sec later..."
      puts e.message
      puts e.backtrace
      next
    end
  
    begin
      job.delete
    rescue Exception => e
      puts "Failed to delete job event: #{job_evented.inspect} from #{ip}:#{port_number}[#{Kongnomal::JobQueue::JOB_EVENT_TUBE}], ignoring for now to be reprocessed after natural beanstalk job timeout"
      puts e.message
      puts e.backtrace
    end
  end
end

#start(ip, port_number) ⇒ Object 



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# File 'lib/kongnomal/beanstalk_server.rb', line 9

def start(ip, port_number)
  start_beanstalkd(ip, port_number)
  connect_to(ip, port_number)
end