[Axis2/C] Access to service context or environment

[Shaun Mangelsdorf <s....@gmail.com>]

Hi,

I'm currently writing some web service code, and am at a bit of a loss on
how to proceed. The problem I have at the moment is that there is no context
information available to the web service "init" or "invoke" functions when
they are invoked.

I want to pass configuration options to the code (at runtime) and I need to
maintain some state between web service calls. I would rather not resort to
global variables for maintaining state if I can avoid it.

I am targeting this code at running under apache. If there was a way to get
to the server_rec or the module config pointer, I could use that to my
advantage.


Anyone able to offer a suggestion?

Thanks,
Shaun Mangelsdorf

Re: [Axis2/C] Access to service context or environment

[Shaun Mangelsdorf <s....@gmail.com>]

Hi,

Yes, In server side, When invoking You can get msg_ctx using that
> message context you will be able to get config_ctx or config.



Thanks for the quick reply. I have had a look at the echo service in samples
and I can't see where the message context is used. After looking through the
axis2 API more, I can see that the conf_ctx has a fair bit of configuration
information in it, but it all seems specific to the axis2 environment. Is
there a way to get custom configuration information into (and ultimately
retrieve it from) this context struct?

I also can't see a way, using the message context, to maintain state between
web service calls - i.e. initialize a struct (or in my case, a C++ object
pointer) and access the same object again the next time a call is made. Is
this possible?

It seems to be a conscious design decision that the apache environment is
not visible within the service calls. Is there a way to get to the
request_rec or server_rec objects created by apache, from within the
service?


Thanks,
Shaun

Re: [Axis2/C] Access to service context or environment

[Dinesh Premalal <xy...@gmail.com>]

Hi,
"Shaun Mangelsdorf" <s....@gmail.com> writes:
> I am targeting this code at running under apache. If there was a way to get to
> the server_rec or the module config pointer, I could use that to my
> advantage.

Yes, In server side, When invoking You can get msg_ctx using that
message context you will be able to get config_ctx or config.

    AXIS2_EXTERN struct axis2_conf_ctx *AXIS2_CALL
    axis2_msg_ctx_get_conf_ctx(const axis2_msg_ctx_t *msg_ctx,
        const axutil_env_t *env);

Please see "echo" service under samples directory for more details. 

thanks,
Dinesh
-- 
Dinesh Premalal
http://xydinesh.wordpress.com/
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