Subj : Re: Queues vs. Sockets
To : X V Lxxix
From : Digital Man
Date : Thu Jun 19 2008 05:37 pm
Re: Re: Queues vs. Sockets
By: Digital Man to X V Lxxix on Thu Jun 19 2008 01:02 pm
> Re: Re: Queues vs. Sockets
> By: X V Lxxix to Digital Man on Thu Jun 19 2008 12:46 pm
>
> > > Both (either one) of these fixes forces the Queue destructor to be
> > > called at the end of the script which is responsible for detaching
> > > the node thread from the Queue and removing the Queue from the
> > > named-queue list.
> >
> > that worked. I think part of the problem was that to make the queue
> > communications work for more than 2 people, I had to create more than
> > one queue, and consequently each participating user had to create a
> > local instance of each named queue.
> >
> > It made things a lot harder to clean up. Since you have a local instance
> > of every user's queue, you can't rely on the queue's existence to
> > determine if the user is still present. so I had to make an exiting user
> > broadcast on a named "quit" channel so that listening connections would
> > know the person has left, and both would have to delete their instance
> > of the queue.
> >
> > Somewhere in that nonsense things did not work.
>
> Glad it's working for you now. In general, it's good practice to use 'var'
> to define variables as the scope is then specified (not global) and you'll
> have better garbage collection.
BTW, I realize it's probably not clear from the documentation
(
http://synchro.net/docs/jsobjs.html#Queue), but the "value" argument to the
Queue.write() method can be any of several JS value types: bool, string,
number, null, *even* an object (with properties of any of these types,
including nested objects).
This may help in passing complex state information between threads (nodes)
without requiring complex string parsing.
digital man (xbox-live: digitlman)
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