Re: [Cppcms-users] session.server.settings example

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

First of all take a look on some ready modules in contrib section

contrib/server_side/sessions


The factory function is called from CppCMS as

   f(srv.settings().find("session.server.settings")



So in your case the code

         base_ = val.get<std::string>("dir", "/tmp/");
          BOOSTER_INFO("session_memory_ext") << "base folder '" << base_;


Is not correct as the "val" is a string object i.e. is is STRING "dir:'/session_storage/'"

I would suggets:

1. Try to print to "val" to the stream so you know what you get in the factory.
2. Print the backtrace of the exception you catch so you can see where it comes from

 

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

P.S.: Sorry for late reply was busy




>________________________________
> From: Christian Gmeiner <chr...@gm...>
>To: cpp...@li... 
>Sent: Friday, April 26, 2013 1:22 PM
>Subject: Re: [Cppcms-users] session.server.settings example
> 
>
>2013/4/23 Christian Gmeiner <chr...@gm...>:
>> Hi all
>>
>>         "session" : {
>>                 "expire" : "renew",
>>                 "timeout" : 600,
>>                 "keep_alive_interval" : 60,
>>                 "location" : "server",
>>                 "gc" : 600,
>>                 "server":       {
>>                         "storage":"external",
>>                         "shared_object":"/opt/libcppcms_session_memory_ext.so",
>>                         "settings":"dir:'/session_storage/'"
>>                 }
>>         },
>>
>>         session_memory_ext_storage(cppcms::json::value const &val)
>>         {
>>             base_ = val.get<std::string>("dir", "/tmp/");
>>             BOOSTER_INFO("session_memory_ext") << "base folder '" << base_;
>>         }
>>
>> How must my config.js look like to get this working?
>>
>
>Soo.. i tried this snipped
>
>        cppcms::json::value a;
>        cppcms::json::object o;
>        o.insert(std::pair<cppcms::string_key,
>cppcms::json::value>("test", "/home/abc"));
>        a.object(o);
>
>        BOOSTER_DEBUG("a") << "json - " << a.save();
>        BOOSTER_DEBUG("a") << a.get<std::string>("test", "/tmp/");
>
>-->
>Apr 26 12:48:58 chgm-pc a: a: json - {"test":"/home/abc"} (main.cpp:227)
>Apr 26 12:48:58 chgm-pc a: a: /home/abc (main.cpp:228)
>
>
>-->
>
>        "session" : {
>                "expire" : "renew",
>                "timeout" : 600,
>                "keep_alive_interval" : 60,
>                "location" : "server",
>                "gc" : 600,
>                "server":       {
>                        "storage" : "external",
>                        "shared_object" :
>"/opt/tssw/libcppcms_session_memory_ext.so",
>                        "settings" : {
>                                "dir" : "/home/abc",
>                        },
>                }
>        },
>
>-->
>cppcms::json::bad_cast:  error converting from object
>
>Any hints?
>
>--
>Christian Gmeiner, MSc
>
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