Re: [Cppcms-users] Communication between synchronous and asynchronous applications

[Artyom B. <art...@ya...>]

Just create some thread safe object that can keep the data you need (i.e. member functions that access it protected with mutexes/rw-locks).


Artyom Beilis 
-------------- 
CppCMS - C++ Web Framework:   http://cppcms.com/ 
CppDB - C++ SQL Connectivity: http://cppcms.com/sql/cppdb/



On Friday, November 22, 2013 8:12 AM, CN <cn...@fa...> wrote:
 
Hello!
>
>Imagine I have both synchronous and asynchronous applications mounted:
>
>int main(int argc,char ** argv)
>{
>    try {
>        cppcms::service srv(argc,argv);
>
>        srv.applications_pool().mount(cppcms::applications_factory<my_hello_world>());
>
>        booster::intrusive_ptr<chat> c=new chat(srv);
>        service.applications_pool().mount(c);
>
>        srv.run();
>    }
>    catch(std::exception const &e) {
>        std::cerr<<e.what()<<std::endl;
>    }
>}
>
>Assume that
>std::vector<cppcms::json::value> messages_;
>in
>http://cppcms.com/wikipp/en/page/cppcms_1x_chat_json_rpc
>is public.
>
>If I understand the framework correctly, asynchronous applications run
>in main thread. Therefore, asynchronous applications are appropriate
>candidates to keep cross-application data, messages_ in our example,
>that is to be shared by synchronous applications.
>
>I would like to know how to access messages_ kept in chat application
>from my_hello_world.  I have read both
>
>http://cppcms.com/wikipp/en/page/cppcms_1x_event_loop
>
>and
>
>http://cppcms.com/cppcms_ref/latest/classcppcms_1_1service.html#a29410e26d78c56c3f22389db5828cd0c
>
>but still have no idea how. Helps will be greatly appreciated.
>
>Regards,
>CN
>
>-- 
>http://www.fastmail.fm - Or how I learned to stop worrying and
>                          love email again
>
>
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