[Freeswitch-dev] Priority design in the event engine

[Michael Jerris]

Switch_event.c:236-248

 

            for(i = 0; i < 3; i++) {

                  if (len[i]) {

                        queue = queues[i];

                        while(queue) {

                              if (switch_queue_trypop(queue, &pop) ==
SWITCH_STATUS_SUCCESS) {

                                    out_event = pop;

                                    switch_event_deliver(&out_event);

                              } else {

                                    break;

                              }

                        }

                  }

            }

 

 

This cycles through the queue's from high priority to low priority,
fully exhausting each queue as it goes, so it delivers all the high
priority events before it starts with the normal events.  It does not go
back and deliver a high priority event if one comes in after it has been
emptied the first time.

 

Mike

 

________________________________

From: Ivo Vachkov [mailto:ivo.vachkov at gmail.com] 
Sent: Tuesday, September 19, 2006 7:47 AM
To: freeswitch-dev at lists.freeswitch.org
Subject: Re: [Freeswitch-dev] Priority design in the event engine

 

Probably it was just an idea at the time of writing that code and left
unfilled. ... just a guess ... :) Otherwise it could be implemented with
serveral queues and rules to service the queues in a given order.



On 9/19/06, will <will at camangi.com> wrote: There are three priority
levels in the event system - "NORMAL","HIGH" and "LOW".

When I trace into "switch_event.c", a "for loop" can be found there. But
it seems no

effect on priority. I mean, it just pop and deliver events by turns.

 

What's the meaning of priority in FreeSwitch?

 

Will

 


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