From: Gurpal 2000 <g@...>
Date: 2009-11-13T07:45:18+09:00
Subject: Re: queuing work in a web app (sinatra/webrick)

Gurpal 2000 wrote:
> Hi
> 
> I want to make a webapp that allows users to queue bit of work
> (converting video for example). They are also able to see the queue at
> any time and check the progress (queued|processing|done) and are able to
> REORDER items in the queue.
> The queue can be stopped (ie. paused) and resumed in between conversions
> of course.
> 
> I'm using sintatra and the LoopingThread example from here
> http://codeidol.com/other/rubyckbk/Multitasking-and-Multithreading/Terminating-a-Thread/
> 
> Im sure there's ppl out there who've done something similar. I can do
> this in java no problem (synchronized lists etc) but not sure how to do
> this in ruby as im sort of a newbie.
> 
> I have a working bit of code but im sure im missing something (memory
> leak, synchorizing issues etc). Can post more code (very small) if
> someone's willing to help.
> 
> Thanks!

Oh and i forgot to mention that the queue can be persisted if u want - i 
dont care at this stage. But im essentially keeping the queue in a flat 
file on disk to hopefully get some 'cheap locking'. I'd like to do this 
without a DB so to speak.

thx
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