similar to: Req: Workers as singletons

Howdy Folks- I''m happy to announce a new release of BackgrounDRb! I have added quite a few new features and included some nice patches from folks on the list. $ script/plugin install svn://rubyforge.org//var/svn/backgroundrb All of the code now stays within the plugin and the start and stop scripts are now just stubs. This makes it easier to tweak or figure out how it works.

Hello there, I need a Worker Class to be Singleton-like, that means there must be at maximum one Instance at a time. When a new Request is made to create another worker of this type, it should return and wait for the other instance to be destroyed. what i need to do: i have a worker who needs to do sth with java and openoffice, and it seems when i have more tha one worker simultaneously,

Hi, I get this error when starting bgdrb using "rake backgroundrb:start" (on a Mac using bgdrb 0.2.0): /Users/gl/Projects/xxxxx/xxxxx/vendor/plugins/backgroundrb/server/lib/ backgroundrb_server.rb:33:in `format_message'': undefined method `strftime'' for "2006-11-22T12:34:18.524572 ":String (NoMethodError) from /usr/lib/ruby/1.8/logger.rb:320:in

Folks- I just commited another revision of the plugin. Nothing huge in this update but some extra features. Acl lists are now configurable in the config file. So you will want to blow away and recreate your config file again. Thanks to Georg Friedrich for this. And I applied Gunter Ladwig''s patch for singleton worker classes. These are workers that only have one instance of

OK I know whats happening. Your while loop completes and calls kill on the worker before your task_progress controller method ever gets called> So the worker is deleted and when you try to access it from rails you get an error because there is no longer a worker at that job key. The kill method is meant to be used within a worker that you fire and forget. If you want to get the

I''ve been using backgroundrb since back in March 2007 or so. It''s been working mostly OK for me, but since the old version doesn''t seem to work out of the box with rails 2.0 for me, I decided to test out the latest version. So, I''m looking at the scheduling, and trying to figure out the best option for what I want to do. What I have is a set of workers that

Hi, First off, thanks Ezra for showing the way with BackgrounDrb. It''s a real godsend. I wanted to add a bit of job control to the system so that I could cancel DRB processes and so on. I thought I''d share how I did it in case anyone should find it useful or have feedback. I wanted to be able to put checkpoints into the drb job so that I could let the job do whatever needs to

Hi, Is it possible to start a worker with job_key and then ask_status of that specific worker with the job_key? MiddleMan.ask_work(:worker => :auth_worker, :job_key=>''1'', :worker_method => :auth) and then MiddleMan.ask_status(:worker => :auth_worker, :job_key=>''1'') >From my testing of the new backgroundrb, asking status using job key

Hi everyone, I''ve a class that try to spawn two workers, every 5 seconds. The code is something like: while true do MiddleMan.new_worker(:class => :researches_worker,:job_key => :researches) MiddleMan.new_worker(:class => :products_worker,:job_key => :products) sleep(5) end I''m using ":job_key", so if a worker hasn''t already ended its work

Hello all, I''ve come up w/ a worker class that manages queued jobs using a fixed number of child workers. Well, that''s not quite true -- a new worker is spawned for each job, but you set the total number that may exist at once. There are three components: 1) queue_worker.rb: The singleton worker that manages the child workers. You probably want to auto start this. Make sure you

Hi all, I''m a newbie to backgroundrb and am having trouble integrating it into my rails-app. I''m using namespaces to differentiate between the parts of my app. When I want to create a new worker, it seems that it cannot find the worker object. Here''s my code: -------------------- controller app/passwd/index -------------------- class Passwd::IndexController <

Hi, Does it make sense to test a worker class by calling Middleman.new_worker? Or should I just be testing the functionality in the do_work method, with, say, a mock object. This seems like a really ugly DRY violation: you''d need to keep the code in the mock and the real worker in sync. That''s the philosophical half of my question. In fact, until someone tells me why I

Hello Folks- I am really happy to announce the release of BackgrounDRb 0.2.0 . This is a complete rewrite and re-architecture of this codebase. I want to thank skaar for all of his hard work. I put out a call for help with the new architecture and skaar stepped up bigtime. I had already written the new scheduler and cron compatible syntax and moved to multi process architecture. But he

Hi Ezra/skaar, Wow man, the exercise was worth it. The connection closed problem with socket as i mentioned in my earlier mails...completely disappeared, and now i can connect only once to the socket and keep reading..till end of its days. Literally impossible with older release of backgroundrb. This could also potentially solve the issues people were having with ActiveRecord. As i said

I''m running the latest from svn (rev 285). I''ve been having a problem launching a process repeatedly. What happens is that I get a debug message "some read error" and then the worker refuses to run again. I''ve stripped my worker down to just doing a puts and it still happens. Like the other threads I want to launch my workers as needed, however I get the

Can a worker kill themselves when they''re ''done''? Or do I have to do that either from the controller or the worker manager? Thanks, Bill -------------- next part -------------- An HTML attachment was scrubbed... URL: http://rubyforge.org/pipermail/backgroundrb-devel/attachments/20061023/11dd429c/attachment.html

Hi all I''m experiencing something strange with a :job_key, it took me a very long time to find out a worker wasn''t doing it''s job because of the name of my job_key. The first one I tried was :make_kohier, and with that name (and lot''s of other ones) I can''t get the worker to work. I do get my key in return, but the job doesn''t start

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, i''m trying desperately to schedule some worker methods within rails 2.0.2. The problem is, both methods don''t even get called by BackgrounDRb. my background.yml: > --- > :backgroundrb: > :port: 11006 > :ip: 0.0.0.0 > --- > :schedules: > :server_worker: > :update: > :trigger_args: 1 *

How can I safely mock a singleton without the mocked method living on outside the scope of the test method? I''ve run into this problem with mocking methods on globals (gasp!) in the past by doing something like def mock_my_global original = $my_global $my_global.expects(:foo).returns(''bar'') yield $my_global = original end Is there something similar I

Hi, I have a page were users can start jobs that may take several hours to run. BackgrounDrb is perfect for me and seems to be working well most of the time but some times I have the following problem: My worker is set up like this: class UploadWorker < BackgrounDRb::MetaWorker set_worker_name :upload_worker set_no_auto_load(true) def create(args = nil ) file = args[:file]