[gdal-dev] [mapserver-dev] New env. var. to make it easier to test/debug web services

[Even Rouault]

Le jeudi 02 octobre 2014 20:45:26, Lime, Steve D (MNIT) a écrit :
> You were aware of the -nh option for mapserv, right?

Steve,

Ah, good point, actually, I was not.... I should have asked first.  But -nh 
doesn't seem to work. At least not in the WMS or WFS cases. It seems mapio.c 
doesn't honour mapserv->sendheaders, and the WMS or WFS code doesn't test it 
either

By looking at the places where sendheaders is used, it seems that you must 
test sendheaders at each place where msIO_setHeader() is called. Whereas my 
change does put the test inside msIO_setHeader() itself. Which is less error 
prone I think. But we cannot decently let both mechanisms in place

I see also some places that directly mess with sendheaders. Not sure why...

../maptemplate.c:  mapserv->sendheaders = MS_TRUE;
../maptemplate.c:    mapserv->sendheaders = MS_FALSE;
../mapwfs.c:    mapserv->sendheaders = MS_TRUE;

Even

> ________________________________________
> From: mapserver-dev-bounces at lists.osgeo.org
> [mapserver-dev-bounces at lists.osgeo.org] on behalf of Even Rouault
> [even.rouault at spatialys.com] Sent: Thursday, October 02, 2014 1:44 PM
> To: mapserver-dev at lists.osgeo.org
> Subject: [mapserver-dev] New env. var. to make it easier to test/debug web 
>     services
> 
> Hi,
> 
> I always get annoyed when running mapserv from command line and wanting to
> test/debug WMS, WFS, etc... without launching mapserv as a CGI, because
> the HTTP headers get emitted and thus produce an invalid PNG or GML.
> So I've pushed in master a small enhancement. If MS_HTTP_HEADER=NO is set
> as environmenet variable, the HTTP headers are not emitted.
> 
> So now you can do things like :
> 
> MS_HTTP_HEADER=NO mapserv QUERY_STRING="map=test.map&SERVICE=WMS&..." >
> out.png && display out.png MS_HTTP_HEADER=NO mapserv
> QUERY_STRING="map=test.map&SERVICE=WFS&..."  | xmllint -noout -
> 
> Even
> 
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