ZMQ and FS are never going to work well.... There are many problems such as, any call to fork in FS like when it execs the system commands or tries to email a VM results in segs. ZMQ has a firm belief in no mutexes and sockets for threads to do interprocess communication. I don't have anything against that but it does not match the FS philosophy at all. All that aside, mod_event_zmq sends only events if you want to send data from a module via that, just create and fire an event. On Thu, Oct 18, 2012 at 9:07 AM, João Mesquita <jmesquita@freeswitch.org>wrote:
I guess a solution would be to re queue the events again and pop on the thread that owns the ZMQ context. Shouldn't be too hard although there would be locking problems on the queue.
Regards, JM
Sent from my iPhone
On Oct 17, 2012, at 8:52 AM, Peter Olsson < peter.olsson@visionutveckling.se> wrote:
I believe the threading model in zmq is different, that it really doesn’t work well together with FreeSWITCH’s threading model.****
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If I’ve understood this correctly, for instance when you send a message using zmq, the library takes for granted that this is always done from the same thread. However, inside FS it means it might be sent from different threads, since the event system inside FS has multiple threads to pop the queued events.****
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Tony, probably has a more correct description – I’ve never even used zmq myself :)****
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/Peter****
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*Från:* freeswitch-dev-bounces@lists.freeswitch.org [ mailto:freeswitch-dev-bounces@lists.freeswitch.org<freeswitch-dev-bounces@lists.freeswitch.org>] *För *Juan Antonio Ibañez Santorum *Skickat:* den 17 oktober 2012 13:37 *Till:* freeswitch-dev@lists.freeswitch.org *Ämne:* Re: [Freeswitch-dev] Share data between modules****
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Any idea to improve it? ****
2012/10/16 Anthony Minessale <anthony.minessale@gmail.com>****
You should do that by firing events from your module so they are delivered via mode_event_zmq.****
Beware zmq is unstable in FS because its a threaded app and zmq is a different threading model.****
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On Tue, Oct 16, 2012 at 3:44 PM, Juan Antonio Ibañez Santorum < juanito1982@gmail.com> wrote:****
The idea is to get some internal data from an own module to be served via mod_event_zmq.****
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Regards****
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2012/10/16 Anthony Minessale <anthony.minessale@gmail.com>****
Can you provide context on which 2 modules you want to do this with?****
Its not a good design to allow loadable modules to require symbols from each other.****
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On Tue, Oct 16, 2012 at 12:48 PM, Juan Antonio Ibañez Santorum < juanito1982@gmail.com> wrote:****
Do you refer to mod_hash? How can I call its API functions from another module? Is it possible to save C data structures, not only stirng values?* ***
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Regards****
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2012/10/16 Mitch Capper <mitch.capper@gmail.com>****
Check out the hash api it can do exactly what you want, suggest prefixing all your entries to keep it clean and avoid conflicts.
~Mitch****
On Tue, Oct 16, 2012 at 8:45 AM, Juan Antonio Ibañez Santorum <juanito1982@gmail.com> wrote:
Hello,
Is there any way to share data (as a hash) between modules? I can see switch_core_set_variable() function but I think it cannot be used for that purpose.
Regards ****
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