Hi, All,
I believe that the mapObj's Dispose() method does not close the file handle for
the MS_ERRORFILE under MapServer 6.0, when used via the SWIG MapScript API for
C#.
Here's the context, presented as C# fragments, and please bear with me for the
length of this:
using OSGeo.MapServer;
...
string mapfile = @"MAP
CONFIG 'MS_ERRORFILE' "c:/.../mapserver.log"
DEBUG 3
imagetype 'png'
...
LAYER
...
END
END";
mapObj mo = mapscript.msLoadMapFromString(mapfile, null);
imageObj io = mo.draw();
mo.Dispose();
byte[] img = io.getBytes();
...dump the "img" to a file (such as a ".png" file)
io.Dispose;
By way of demonstration, if I use this code in a "Console" application, and set
a break point right after the "io.Dispose", a directory listing shows a zero
length for the mapserver.log file. If I let the application terminate normally,
I see the size of the mapserver.log file grow to the expected 1KB or so, and I
see that the file contains the expected elapsed time information appropriate to
"DEBUG 3". In my test use, the "mapfile" string is well-formed and a reasonable
".png" file is created.
Should I be calling some additional method on the mapObj instance to force
ERRORFILE file closure? Is there some other explanation for the behavior
reported here?
Thanks
- Phil Anzel
Vistronix Inc for USDA/NRCS/ITC
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