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Code to tell if service is running
Message
De
12/06/2007 14:06:28
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Fonctions Windows API
Divers
Thread ID:
01232347
Message ID:
01232355
Vues:
22
So, what is all that extra crap in the code I found?

>Take a look at Message # 1180154
>HTH
>
>>I don't know if this is considered API, but it seemed like the best place...
>>
>>Got this code from somewhere and I'm wondering why it never finds a Service. I've changed this line to a number of different running programs, but it never see that they are running:
>>
>>
>>lcServiceName = "NetWaiting"
>>
>>
>>I'm sure it's just my lack of understanding in how it supposed to work. Thanks!
>>
>>
>>
>>CLOSE ALL
>>CLEAR ALL
>>
>>* Service Control Manager object specific access types
>>#define SC_MANAGER_CONNECT             0x0001
>>#define SC_MANAGER_CREATE_SERVICE      0x0002
>>#define SC_MANAGER_ENUMERATE_SERVICE   0x0004
>>#define SC_MANAGER_LOCK                0x0008
>>#define SC_MANAGER_QUERY_LOCK_STATUS   0x0010
>>#define SC_MANAGER_MODIFY_BOOT_CONFIG  0x0020
>>
>>* Service object specific access type
>>#define SERVICE_QUERY_CONFIG           0x0001
>>#define SERVICE_CHANGE_CONFIG          0x0002
>>#define SERVICE_QUERY_STATUS           0x0004
>>#define SERVICE_ENUMERATE_DEPENDENTS   0x0008
>>#define SERVICE_START                  0x0010
>>#define SERVICE_STOP                   0x0020
>>#define SERVICE_PAUSE_CONTINUE         0x0040
>>#define SERVICE_INTERROGATE            0x0080
>>#define SERVICE_USER_DEFINED_CONTROL   0x0100
>>
>>* Service State -- for CurrentState
>>#define SERVICE_STOPPED                0x00000001
>>#define SERVICE_START_PENDING          0x00000002
>>#define SERVICE_STOP_PENDING           0x00000003
>>#define SERVICE_RUNNING                0x00000004
>>#define SERVICE_CONTINUE_PENDING       0x00000005
>>#define SERVICE_PAUSE_PENDING          0x00000006
>>#define SERVICE_PAUSED                 0x00000007
>>
>>DECLARE Long OpenSCManager IN Advapi32 ;
>>	  STRING lpMachineName, STRING lpDatabaseName, Long dwDesiredAccess
>>DECLARE Long OpenService IN Advapi32 ;
>>	  Long hSCManager, String lpServiceName, Long dwDesiredAccess
>>DECLARE Long QueryServiceStatus IN Advapi32 ;
>>	  Long hService, String @ lpServiceStatus
>>DECLARE Long CloseServiceHandle  IN Advapi32 ;
>>	  Long hSCObject
>>
>>lhSCManager = OpenSCManager(0, 0, SC_MANAGER_CONNECT + SC_MANAGER_ENUMERATE_SERVICE)
>>IF lhSCManager = 0
>>	* Error
>>ENDIF
>>lcServiceName = "NetWaiting"
>>lhSChandle = OpenService(lhSCManager, lcServiceName, SERVICE_QUERY_STATUS)
>>IF lhSCManager = 0
>>	* Error
>>ENDIF
>>lcQueryBuffer = REPLICATE(CHR(0), 4*7 )
>>lnRetVal = QueryServiceStatus(lhSChandle, @lcQueryBuffer )
>>IF lnRetVal = 0
>>	* Error
>>ENDIF
>>* Close Handles
>>CloseServiceHandle(lhSChandle)
>>CloseServiceHandle(lhSCManager)
>>lnServiceStatus = ASC(SUBSTR(lcQueryBuffer,5,1))
>>IF lnServiceStatus <> SERVICE_RUNNING
>>	* Service isn't running
>>	? "Service isn't running"
>>ENDIF	
>>
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