On Thu, 2003-04-03 at 16:14, O'Rourke, Frank wrote:
> I am using the log4cpp-0.3.4b version of log4cpp.
>
> I have 2 components in a product which each use log4cpp and try to
> initialise it.
>
> Is there a way of detecting whether log4cpp has already being configured. I
> tried using
> log4cpp::Category& root = log4cpp::Category::getRoot();
> log4cpp::AppenderSet appenders = root.getAllAppenders();
> int size = appenders.size();
>
> then test (size > 1) for already initialised
>
> The problem is that getAllAppenders does not work on MSVC as reported and
> fixed by patch. Is there any alternative way of telling if log4cpp is
> already configured.
No, currently there isn't a way to check this. That's because log4cpp
doesn't require an application to explicitly 'initialize' log4cpp: all
Objects and methods should work upon first use of log4cpp. Of course
your logging may not end up where you want it too....
Since the configuration of your logging is not an issue for a single
component but for your whole application, I'd suggest you move the
configuration calls, both PropertyConfigurator::configure() or manual
Category::addAppender(), out of the components into the initialization
part of your application. The componentents may are allowed to call
Category::debug(), etc. before you've done the configuration.
Good luck,
Bastiaan
>
> Thanks
> Frank
>
>
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