[mapguide-internals] Server status/Ping API

[Jason Birch]

In my experience, if a map isn't rendering it's often the FDO (connections)
layer that's hung.

2009/10/26 Walt Welton-Lair <walt.welton-lair at autodesk.com>

> How about reducing this to just a legend image?  That will still exercise
> rendering, but it avoids the overhead of making FDO calls.
>
> -----Original Message-----
> From: mapguide-internals-bounces at lists.osgeo.org [mailto:
> mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Dave Wilson
> Sent: Monday, October 26, 2009 12:09 PM
> To: MapGuide Internals Mail List
> Subject: RE: [mapguide-internals] Server status/Ping API
>
> If we assume the image is a test image only then I wouldn't be concerned
> about the map and credentials. We could even supply a default one that is a
> variation of Sheboygan or something with 1 or 2 layers max. Since the
> eventual request is server side it could use the server authentication to
> access and render the map.
>
> I'm more concerned about how you get multiple results back from all sites.
> I'm guessing the request is a multipart post that processes each server one
> by one in a loop in the webtier or does it process them all, assemble the
> results (including any failures) and return one result set?
>
> Dave
>
> -----Original Message-----
> From: mapguide-internals-bounces at lists.osgeo.org [mailto:
> mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Bruce Dechant
> Sent: Monday, October 26, 2009 9:23 AM
> To: MapGuide Internals Mail List
> Subject: RE: [mapguide-internals] Server status/Ping API
>
> A ping is supposed to be fast - adding overhead to generate a map image
> could be slow, but having this optional would get around that. What about
> security risks of being able to render a map without credentials? Obviously
> if it is a tiny thumbnail of the map it is not very useful at all - other
> than to see if the server is there and can render it.
>
> Thanks,
> Bruce
>
> -----Original Message-----
> From: mapguide-internals-bounces at lists.osgeo.org [mailto:
> mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Trevor Wekel
> Sent: Monday, October 26, 2009 8:08 AM
> To: MapGuide Internals Mail List
> Subject: RE: [mapguide-internals] Server status/Ping API
>
> No problem on the performance metrics.
>
> Martin's suggestion of doing a lightweight render is a good idea.  Perhaps
> we can make this an optional item with the render only occurring if a map
> definition resource id is supplied as an input parameter.  We could just
> render a small image at the map extents.  The various pieces - API version,
> offline/online, and image could be returned as an xml document with the
> image returned as a base64 blob.  Something like this perhaps:
>
> <Ping>
>  <Status>Online</Status>
>  <ApiVersion>2.2</ApiVersion>
>  <ImageSize>8061</ImageSize>
>  <Image>[8061 base64 encoded bytes]</Image>
> </Ping>
>
> Thanks,
> Trevor
>
> -----Original Message-----
> From: mapguide-internals-bounces at lists.osgeo.org [mailto:
> mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Bruce Dechant
> Sent: October 26, 2009 7:55 AM
> To: MapGuide Internals Mail List
> Subject: RE: [mapguide-internals] Server status/Ping API
>
> The API version would be nice to have.
>
> I have to agree that performance metrics without credentials I'm not sure I
> like.
>
> Bruce
>
> -----Original Message-----
> From: mapguide-internals-bounces at lists.osgeo.org [mailto:
> mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Jason Birch
> Sent: Sunday, October 25, 2009 11:00 AM
> To: MapGuide Internals Mail List
> Subject: Re: [mapguide-internals] Server status/Ping API
>
> I think it would be cool to return API version (2.1, 2.2, etc) as part
> of this, but not rev/build.
>
> Would be hesitant to return performance metrics through a non-authenticated
> api.
>
> Jason
>
> On 2009-10-22, Bruce Dechant <bruce.dechant at autodesk.com> wrote:
> > Hi All,
> >
> > The existing Server Admin service has the following APIs that are not
> > officially published but are available to use:
> >
> > GetSiteVersion() - returns the exact MapGuide server version
> > GetSiteInfo() - returns MapGuide server information and OS information
> >
> > Both of these require authentication credentials because of the
> information
> > returned.
> >
> > I was wondering about adding a new API that would not require
> authentication
> > credentials.
> >
> > Example: GetSiteStatus()
> >
> > I would like it to return the server status as either "Offline" or
> "Online"
> > as some of the information.
> >
> > This API could be used as a sort of "ping" if needed.
> >
> > What other non sensitive information do you think we could include with
> this
> > API?
> >
> > Thanks,
> > Bruce
> > _______________________________________________
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> >
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