Re: [Cppcms-users] Unmount asynchronous application from application pool

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Excuse my poor English. I mean: I assume that you no longer need call
service.run () again in "while" block in "main". you have called
service.run () in the Activator constructor

2013/11/15 DieterM75 . <die...@gm...>

> Hey,
>
> I tried the following code:
>
> http://pastie.org/8483126
>
> Output is as follows:
>
> 2013-11-15 18:31:25; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:31:25; App, debug: ctor (main.cpp:36)
>
> Exception!
>
> 2013-11-15 18:31:28; App, debug: dtor (main.cpp:39)
>
> 2013-11-15 18:31:48; main, debug: Restarting service! (main.cpp:106)
>
> 2013-11-15 18:34:43; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:34:43; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:34:43; App, debug: ctor (main.cpp:36)
>
> 2013-11-15 18:34:43; App, debug: ctor (main.cpp:36)
>
> Exception!
>
> 2013-11-15 18:35:33; App, debug: dtor (main.cpp:39)
>
> 2013-11-15 18:35:33; App, debug: dtor (main.cpp:39)
>
> 2013-11-15 18:35:40; main, debug: Restarting service! (main.cpp:106)
>
> 2013-11-15 18:35:40; main, debug: Restarting service! (main.cpp:106)
>
> 2013-11-15 18:41:44; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:41:44; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:41:44; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:41:44; App, debug: ctor (main.cpp:36)
>
> 2013-11-15 18:41:44; App, debug: ctor (main.cpp:36)
>
> 2013-11-15 18:41:44; App, debug: ctor (main.cpp:36)
>
> Exception!
>
> 2013-11-15 18:41:58; App, debug: dtor (main.cpp:39)
>
> 2013-11-15 18:41:58; App, debug: dtor (main.cpp:39)
>
> 2013-11-15 18:41:58; App, debug: dtor (main.cpp:39)
>
> 2013-11-15 18:43:16; main, debug: Restarting service! (main.cpp:106)
>
> 2013-11-15 18:43:16; main, debug: Restarting service! (main.cpp:106)
>
> 2013-11-15 18:43:16; main, debug: Restarting service! (main.cpp:106)
>
> 2013-11-15 18:43:22; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:43:22; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:43:22; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:43:22; Activator, debug: Created service! (main.cpp:70)
>
> 2013-11-15 18:43:22; App, debug: ctor (main.cpp:36)
>
> 2013-11-15 18:43:22; App, debug: ctor (main.cpp:36)
>
> 2013-11-15 18:43:22; App, debug: ctor (main.cpp:36)
>
> 2013-11-15 18:43:22; App, debug: ctor (main.cpp:36)
>
> Maybe someone sees the error in my code, I clearly dont :)
>
> Sincerely
> Dieter
>
>
> ---------- Forwarded message ----------
> From: Artyom Beilis <art...@ya...>
> Date: Sat, Nov 9, 2013 at 12:54 PM
> Subject: Re: [Cppcms-users] Unmount asynchronous application from
> application pool
> To: cpp...@li...
>
>
> There two things.
>
> - The tutorial describes the situation were the ENTIRE cppcms service is
> reloaded. In case of pointers to asynchronous applications, you can reset
> them withing if(got_sighup) { ... } section.
>
> Additionally you can remove the asynchronous application by simply
> expiring its pointer. Once all the references (for example kept in
> callbacks) and your reference are expired it would be deleted. Asynchronous
> applications can be removed and added dynamically (unlike synchronous ones
> that only can be added)
>
>
> Artyom Beilis
> --------------
> CppCMS - C++ Web Framework:   http://cppcms.com/
> CppDB - C++ SQL Connectivity: http://cppcms.com/sql/cppdb/
>
> --------------------------------------------
> On Fri, 11/8/13, DieterM75 . <die...@gm...> wrote:
>
>  Subject: [Cppcms-users] Unmount asynchronous application from application
> pool
>  To: cpp...@li...
>  Date: Friday, November 8, 2013, 9:58 AM
>
>  Hello,
>
>  I mount my application via the mount(booster::intrusive_ptr)
>  method of the application pool class.
>  I also try to implement some kind of reload mechanism,
>  so that the service can start over again after certain
>  errors.
>
>  The example "reload the application" (
> http://cppcms.com/wikipp/en/page/cppcms_1x_reload_application)
>  does not cover how to deal with asynchronous applications.
>  If I pass an anonymous intrusive_ptr reference to the
>  method, it gets created and destroyed immediately. Now if
>  the signal gets handled and the service shutdown, the
>  mounted application gets constructed and destroyed twice.
>  Basically every time the signal is processed, the
>  application pool does not automatically destroy the long
>  running apps.
>
>  Is there a way to avoid this problem?
>
>  Sincerely
>  Müller
>
>
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