[fdo-internals] RE: Mapguide and Single theaded FDO Provider

Bruce Dechant bruce.dechant at autodesk.com
Fri Jan 8 15:01:27 EST 2010


If the provider advertises its capability as FdoThreadCapability_SingleThreaded  then you don't need to worry about adding anything to the MapGuide server's configuration file as it will enforce a maximum of 1 concurrent connection regardless of what settings are actually in the serverconfig.ini file.


From: fdo-internals-bounces at lists.osgeo.org [mailto:fdo-internals-bounces at lists.osgeo.org] On Behalf Of Traian Stanev
Sent: Monday, January 04, 2010 8:39 AM
To: 'FDO Internals Mail List'
Subject: [fdo-internals] RE: Mapguide and Single theaded FDO Provider


Have you added your provider to the list of single-threaded providers in the serverconfig.ini file? In that file, search for OSGeo.Gdal and add the same setting for your provider. This will make sure that MapGuide uses your provider in a single-threaded manner.


From: fdo-internals-bounces at lists.osgeo.org [mailto:fdo-internals-bounces at lists.osgeo.org] On Behalf Of Peter Sylvester
Sent: Wednesday, December 30, 2009 2:16 PM
To: fdo-internals at lists.osgeo.org
Subject: [fdo-internals] Mapguide and Single theaded FDO Provider

Hi All,

I am working on a single threaded FDO provider and there NO way to make it multithreaded.
It works nicely in AutoCAD MAP and just started testing it in Mapguide. I haven't spent too much time in Mapguide yet but seems that just "out of the box" my provider will not work.

Do you guys know of anything special in Mapguide which would prevent my single threaded FDO provider from working properly?
Is there anything I should explicitly do in my FDO provider?

I did have a look at the GDAL provider and I have seen that it uses a Mutex in a few places to control thread access to parts of code. Is that necessary?
I have seen that in the past there were some issues with Mapguide and the single threaded GDAL provider.

I would appreciate any input which would  contribute to shortening my research about my Mapguide and FDO provider integration.

Wish you a happy new year.

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