Re: [dbus-cplusplus-devel] dbusxx-xml2cpp bug (gitorious branch)

[Andreas V. <li...@br...>]

Am Thu, 19 Mar 2009 23:24:47 +0100 (CET) schrieb David Kozub:

Hello David,

==> Fixed in gitorious branch

I tested many combinations of single and multiple in and out
parameters. I tested also simple types, complex types and object types.
It seems to generate good code. I've not yet tested the functionality
itself.

Hint for me: Write unit tests! :-)

Thanks for reporting that bug!

regards
Andreas

> Hi,
> 
> I grabbed dbus-c++ from the gitorious branch and started playing with
> the examples. I actually stopped right at the simplest example - 
> examples/echo.
> 
> Invoking the Hello method as mentioned in README results in an empty 
> string. When I looked into the issue, it seems to be a bug in the
> server glue (generated by dbusxx-xml2cpp), specifically, the
> marshaller:
> 
>      ::DBus::Message _Hello_stub(const ::DBus::CallMessage &call)
>      {
>          ::DBus::MessageIter ri = call.reader();
> 
>          std::string argin1;
>          ri >> argin1;
>          std::string argout1;
>          Hello(argin1);
>          ::DBus::ReturnMessage reply(call);
>          ::DBus::MessageIter wi = reply.writer();
>          wi << argout1;
>          return reply;
>      }
> 
> changing the Hello() invocation into "argout1 = Hello(argin1)" fixes
> the issue.
> 
> Looking at the stub (and at the generator), this is a general
> problem. Being all new to this... I see where in generator is this
> code output, but I don't really know how to fix this.
> 
> Best regards,
> 
> David Kozub
> zu...@li...
> 
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