Subj : Re: Queues vs. Sockets
To   : Digital Man
From : X V Lxxix
Date : Fri Jun 20 2008 07:34 am

 >   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.


VERY good to know. For some reason I was under the assumption that was not the 
case. I think I tried passing an object and it didn't work. But....... I've 
been known to pull on the "push to open" doors.

.