Re: [Quickfix-developers] QuickFIX as DLL?

[Dale W. <wil...@oc...>]

Hi Andrei,

Andrei Goldchleger wrote:

>QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/html/index.html
>QuickFIX Support: http://www.quickfixengine.org/services.html
>
>Hi there,
>
>Is it possible to build QuickFIX as a dynamic library for using it 
>with C++ (Win32 unmanaged) applications?
>  
>
It is possible, but non-trivial.  QuickFIX does not export its symbols, 
and there are link-time and run-time issues related to the use of 
Singletons from a DLL (all of the session management stuff is handled as 
a Singleton)

We have done it here at OCI for a customer who needed to use QuickFIX 
from a DLL, but the work is target specifically at his application.  The 
general approach was to create another layer wrapped around QuickFIX 
that was DLL-aware and force all interaction with QuickFIX to occur 
through that layer.  This layer added other value to the system, so it 
was worth doing.

<plug> If you're interested in what it would take for OCI to do 
something similar for you (that's what we do for a living), please 
contact Malcolm Spence  spe...@oc...   We could also discuss 
having you sponsor us to make the QuickFIX itself DLL friendly with the 
goal of contributing that back to the open source library. </plug>

Dale

>Thanks,
>
>Andrei
>
>
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-- 
-----------------------------------------------------
  Dale Wilson, Senior Software Engineer      
  Object Computing, Inc. (OCI)
  http://www.ociweb.com/  http://www.theaceorb.com/
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