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cookbooks:devel:core [2020/11/26 16:28]
miconda [async_workers] 		cookbooks:devel:core [2021/01/04 10:52]
miconda [modparam]
Line 764: Line 764:
 ==== async_workers ==== ==== async_workers ====
  
-Specify how many child processes to create for asynchronous execution in the group "default". These are processes that can receive tasks from various components (e.g, modules such as async, acc, sqlops) and execute them locally, which is different process than the task sender.+Specify how many child processes (workers) to create for asynchronous execution in the group "default". These are processes that can receive tasks from various components (e.g, modules such as async, acc, sqlops) and execute them locally, which is different process than the task sender.
  
 Default: 0 (asynchronous framework is disabled). Default: 0 (asynchronous framework is disabled).
Line 772: Line 772:
 <code> <code>
     async_workers=4     async_workers=4
 +</code>
 +
 +==== async_nonblock ====
 +
 +Set the non-block mode for the internal sockets used by default group of async workers.
 +
 +Default: 0
 +
 +Example:
 +
 +<code>
 +    async_nonblock=1
 +</code>
 +
 +==== async_usleep ====
 +
 +Set the number of microseconds to sleep before trying to receive next task (can be useful when async_nonblock=1).
 +
 +Default: 0
 +
 +Example:
 +
 +<code>
 +    async_usleep=100
 </code> </code>
  
Line 1091: Line 1115:
 kemi.onsend_route_callback="ksr_my_reply_route" kemi.onsend_route_callback="ksr_my_reply_route"
 </code> </code>
 +
 +==== kemi.pre_routing_callback ====
 +
 +Set the name of callback function in the KEMI script to be executed as the equivalent of `event_route[core:pre-routing]` block (from the native configuration file).
 +
 +Default value: none
 +
 +Set it to empty string or "none" to skip execution of this callback function.
 +
 +Example:
 +
 +<code c>
 +kemi.pre_routing_callback="ksr_pre_routing"
 +</code>
 +
 ==== latency_cfg_log ==== ==== latency_cfg_log ====
  
Line 1517: Line 1556:
  
 ==== modparam ==== ==== modparam ====
 +
 The modparam command will be used to set the options of the modules.  The modparam command will be used to set the options of the modules. 
  
Line 1526: Line 1566:
 See the documenation of the respective module to find out the available options. See the documenation of the respective module to find out the available options.
  
 +==== modparamx ====
 +
 +Similar to **modparam**, with ability to evaluate the variables in its parameters.
 ==== onsend_route_reply ==== ==== onsend_route_reply ====
  
Line 3427: Line 3470:
 } }
 </code> </code>
 +
 +  * **event_route[core:pre-routing]** - executed by core on receiving SIP traffic before running request_route or reply_route.
 +    * if drop is used, then the message is not processed further with request_route or reply_route in the same process. This can be useful together with sworker module which can delegate the processing to another worker.
 +
 +<code c>
 +async_workers_group="name=reg;workers=4"
 +...
 +event_route[core:pre-routing] {
 +    xinfo("pre-routing rules\n");
 +    if(is_method("REGISTER")) {
 +        # delegate processing of REGISTERs to a special group of workers
 +        if(sworker_task("reg")) {
 +            drop;
 +        }
 +    }
 +}
 +</code>
 +
 === Module Event Routes === === Module Event Routes ===
  
cookbooks/devel/core.txt ยท Last modified: 2022/04/11 17:10 by bkaufman

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