Re: [Quickfix-developers] Logging in QuickFIX

[Erich <gra...@al...>]

That's what I was afraid of! Oh well - Thanks anyway.


Caleb Epstein wrote:
> 
> QuickFIX Documentation:
> http://www.quickfixengine.org/quickfix/doc/html/index.html
> QuickFIX Support: http://www.quickfixengine.org/services.html
> 
> On 9/12/07, Erich <gra...@al...> wrote:
>> QuickFIX Documentation:
>> http://www.quickfixengine.org/quickfix/doc/html/index.html
>> QuickFIX Support: http://www.quickfixengine.org/services.html
>>
>>
>> I've been doing some testing of QuickFIX performance and that suggests
>> that I
>> might want to run QuickFIX with a logging object. Now the only way I've
>> found of doing this is to use the constructor for my acceptor without the
>> logging object. Now this is a bit clunky as if I want to be able to make
>> logging a configurabel option, e.g.
>>
>> If (logging)
>> {
>>     FIX::ThreadSocketAcceptor acceptor(fixApp, storeFactory, settings,
>> logFactory);
>>    ...
>> }
>> else
>> {
>>     FIX::ThreadSocketAcceptor acceptor(fixApp, storeFactory, settings);
>>     acceptor.start();
>>    ...
>> }
>>
>> Is there a way of controlling this is the QuickFIX config? If I don't
>> specify a file log path the app exits and I haven't found any other
>> setting
>> that seesm to relate to this.
> 
> No, this can't be done purely with configuration, but you could make
> that code a bit cleaner doing something like (untested, might need
> some casts):
> 
>    NullLogFactory null_factory;
>    FileLogFactory file_factory;
>    LogFactory* log_factory = logging ? &file_factory : &null_factory;
>    ThreadedSocketAcceptor acceptor(fixApp, storeFactory, settings,
> *log_factory);
> 
> The implementation of the (unfortunately mythical)  'NullLogFactory'
> is left as an exercise for the reader :^)
> 
> -- 
> Caleb Epstein
> 
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