[python-win32] Win32pdhutil - GetFormattedCounterValue while running python thu IIS

[sebastien Pastor]

Thanx Thomas,

Thanx for the link,  it does help already !
Here is the code i have been using

"import win32pdhutil
nbConnections=win32pdhutil.GetPerformanceAttributes("Web Service", 
"Current Connections", instance="_Total")
"
quite straightforward really...

Since then  i have been doing this as a test :

query = win32pdhquery.Query(["\\Memory\\Available Bytes"])
print "here is the query Object " + str(query)
res=query.rawaddcounter("Memory", "Available Bytes",machine="127.0.0.1")
print res
print query.collectdata()

In order to try to understand where i am failing ... but so far no much 
of success . For instance when i run locally those lines i can see "Here 
is the query Object <win32pdhquery.Query instance at 0x00811480> but 
when i call the script from my web browser  i have "Here is the query 
Object " then nothing afterwards ... does it mean my object is not 
created ? How can i access the object status and eventually the reason 
of creation failure ? Moreover, i have added the machine parameter just 
in case the code would get confused when ran from IIS .. but no improvement


Thanx again for helping me out with this !

Seb


Thomas HERVE wrote:

>>Hi guys,
>>    
>>
>
>Hi, 
>
>  
>
>>I ve got a piece of script which basically retrieve the "Current 
>>    
>>
>Connections", given by the Web Service
>  
>
>>object. I am using Win32pdhutil and it works smoothly when i run the 
>>    
>>
>script locally.
>  
>
>>If i try to run thru IIS  as a cgi i ve got this message :
>>
>>
>>  File 
>>    
>>
>"E:\PROGRA~1\Python22\Lib\site-packages\win32\lib\win32pdhutil.py", line 
>59, in GetPerformanceAttributes
>  
>
>>    type, val = win32pdh.GetFormattedCounterValue(hc, format)
>>pywintypes.error: (-2147481645, 'GetFormattedCounterValue', 'No error 
>>    
>>
>message is available')
>
>First one tip to understand win32pdh error codes : 
>http://msdn.microsoft.com/library/default.asp?url=/library/en-us/perfmon/base/pdh_error_codes.asp
>-2147481645 ---> in hex = 0x800007D3. "The data item has been added to the query but has not been validated nor 
>accessed. No other status information on this data item is available."
>Of course here, it's not very useful...
>
>  
>
>>I guess it might be permissions error but cannot find out which one ...
>>    
>>
>
>I don't think it's permissions because pdh interface allow simple user to 
>gather information. I think it's more a problem with the creation of you 
>counter. If you can paste how you get the counterpath and how you add it 
>it would be helpful.
>
>  
>
>>Any help will be highly appreciated .
>>    
>>
>
>I'll try to be better next time ;).
>
>  
>
>>Seb
>>    
>>
>
>--
>Thomas
>
>
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