457 lines
14 KiB
C
457 lines
14 KiB
C
/*
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* HrSWRunPerfEntry.c v0.10
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* Generated in conjunction with Management Factory scripts:
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* script version: SNMPv1, 0.16, Apr 25, 1996
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* project: D:\TEMP\EXAMPLE\HOSTMIB
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****************************************************************************
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* *
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* (C) Copyright 1995 DIGITAL EQUIPMENT CORPORATION *
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* *
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* This software is an unpublished work protected under the *
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* the copyright laws of the United States of America, all *
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* rights reserved. *
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* *
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* In the event this software is licensed for use by the United *
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* States Government, all use, duplication or disclosure by the *
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* United States Government is subject to restrictions as set *
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* forth in either subparagraph (c)(1)(ii) of the Rights in *
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* Technical Data And Computer Software Clause at DFARS *
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* 252.227-7013, or the Commercial Computer Software Restricted *
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* Rights Clause at FAR 52.221-19, whichever is applicable. *
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* *
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****************************************************************************
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*
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* Facility:
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*
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* Windows NT SNMP Extension Agent
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*
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* Abstract:
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*
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* This module contains the code for dealing with the get, set, and
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* instance name routines for the HrSWRunPerfEntry. Actual instrumentation code is
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* supplied by the developer.
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*
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* Functions:
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*
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* A get and set routine for each attribute in the class.
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*
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* The routines for instances within the class.
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*
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* Author:
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*
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* D. D. Burns @ Webenable Inc
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*
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* Revision History:
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*
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* V1.00 - 05/14/97 D. D. Burns Genned: Thu Nov 07 16:48:05 1996
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*
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*/
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#include <windows.h>
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#include <malloc.h>
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#include <snmp.h>
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#include "mib.h"
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#include "smint.h"
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#include "hostmsmi.h"
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#include "user.h" /* Developer supplied include file */
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#include "HMCACHE.H" /* Cache-related definitions */
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/*
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| NOTE:
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| The cache used by this table is the same one created for hrSWRun. The
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| CACHEHEAD structure for it is located in "HRSWRUNE.C".
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*/
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/*
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* GetHrSWRunPerfCPU
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* The number of centi-seconds of the total system's CPU resources consumed
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* by this process. Note that on a multi-processor syste
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*
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* Gets the value for HrSWRunPerfCPU.
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*
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* Arguments:
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*
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* outvalue address to return variable value
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* accesss Reserved for future security use
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* instance address of instance name as ordered native
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* data type(s)
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*
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* Return Codes:
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*
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* Standard PDU error codes.
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*
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* SNMP_ERRORSTATUS_NOERROR Successful get
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* SNMP_ERRORSTATUS_GENERR Catch-all failure code
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* mibtget.c v0.10
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*
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| =============== From WebEnable Design Spec Rev 3 04/11/97==================
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| hrSWRunPerfCPU
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| ACCESS SYNTAX
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| read-only INTEGER
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| "The number of centi-seconds of the total system's CPU resources consumed by
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| this process. Note that on a multi-processor system, this value may increment
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| by more than one centi-second in one centi-second of real (wall clock) time."
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|
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| DISCUSSION:
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|
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| <POA-22> Given the performance monitoring counters available in the Registry,
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| how do we compute this SNMP attribute value for a given process?
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|
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| RESOLVED >>>>>>>>
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| <POA-22> I think we should just use the PerfMon code for this.
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| RESOLVED >>>>>>>>
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|
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|============================================================================
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| 1.3.6.1.2.1.25.5.1.1.1.<instance>
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| | | | |
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| | | | *-hrSWRunPerfCPU
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| | | *-hrSWRunPerfEntry
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| | *-hrSWRunPerfTable
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| *-hrSWRunPerf
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*/
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UINT
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GetHrSWRunPerfCPU(
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OUT Integer *outvalue ,
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IN Access_Credential *access ,
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IN InstanceName *instance )
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{
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ULONG index; /* As fetched from instance structure */
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CACHEROW *row; /* Row entry fetched from cache */
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/*
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| Grab the instance information
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*/
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index = GET_INSTANCE(0);
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/*
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| Use it to find the right entry in the cache
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*/
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if ((row = FindTableRow(index, &hrSWRunTable_cache)) == NULL) {
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return SNMP_ERRORSTATUS_GENERR;
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}
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*outvalue = row->attrib_list[HRSP_CPU].u.number_value;
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return SNMP_ERRORSTATUS_NOERROR ;
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} /* end of GetHrSWRunPerfCPU() */
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/*
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* GetHrSWRunPerfMem
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* The total amount of real system memory allocated to this process.
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*
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* Gets the value for HrSWRunPerfMem.
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*
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* Arguments:
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*
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* outvalue address to return variable value
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* accesss Reserved for future security use
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* instance address of instance name as ordered native
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* data type(s)
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*
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* Return Codes:
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*
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* Standard PDU error codes.
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*
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* SNMP_ERRORSTATUS_NOERROR Successful get
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* SNMP_ERRORSTATUS_GENERR Catch-all failure code
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* mibtget.c v0.10
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*
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| =============== From WebEnable Design Spec Rev 3 04/11/97==================
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| hrSWRunPerfMem
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|
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| ACCESS SYNTAX
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| read-only KBytes
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|
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| "The total amount of real system memory allocated to this process."
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|
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| DISCUSSION:
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|
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| <POA-23> Given the performance monitoring counters available in the Registry,
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| how do we compute this SNMP attribute value for a given process?
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|
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| RESOLVED >>>>>>>>
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| <POA-22> I think we should just use the PerfMon code for this.
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| RESOLVED >>>>>>>>
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|
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|============================================================================
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| 1.3.6.1.2.1.25.5.1.1.2.<instance>
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| | | | |
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| | | | *-hrSWRunPerfMem
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| | | *-hrSWRunPerfEntry
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| | *-hrSWRunPerfTable
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| *-hrSWRunPerf
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*/
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UINT
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GetHrSWRunPerfMem(
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OUT KBytes *outvalue ,
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IN Access_Credential *access ,
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IN InstanceName *instance )
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{
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ULONG index; /* As fetched from instance structure */
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CACHEROW *row; /* Row entry fetched from cache */
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/*
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| Grab the instance information
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*/
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index = GET_INSTANCE(0);
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/*
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| Use it to find the right entry in the cache
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*/
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if ((row = FindTableRow(index, &hrSWRunTable_cache)) == NULL) {
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return SNMP_ERRORSTATUS_GENERR;
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}
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*outvalue = row->attrib_list[HRSP_MEM].u.number_value;
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return SNMP_ERRORSTATUS_NOERROR ;
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} /* end of GetHrSWRunPerfMem() */
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/*
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* HrSWRunPerfEntryFindInstance
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*
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* This routine is used to verify that the specified instance is
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* valid.
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*
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* Arguments:
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*
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* FullOid Address for the full oid - group, variable,
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* and instance information
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* instance Address for instance specification as an oid
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*
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* Return Codes:
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*
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* SNMP_ERRORSTATUS_NOERROR Instance found and valid
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* SNMP_ERRORSTATUS_NOSUCHNAME Invalid instance
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*
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*/
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UINT
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HrSWRunPerfEntryFindInstance( IN ObjectIdentifier *FullOid ,
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IN OUT ObjectIdentifier *instance )
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{
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UINT tmp_instance ;
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//
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// Developer instrumentation code to find appropriate instance goes here.
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// For non-tables, it is not necessary to modify this routine. However, if
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// there is any context that needs to be set, it can be done here.
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//
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if ( FullOid->idLength <= HRSWRUNPERFENTRY_VAR_INDEX )
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// No instance was specified
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return SNMP_ERRORSTATUS_NOSUCHNAME ;
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else if ( FullOid->idLength != HRSWRUNPERFENTRY_VAR_INDEX + 1 )
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// Instance length is more than 1
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return SNMP_ERRORSTATUS_NOSUCHNAME ;
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else
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// The only valid instance for a non-table are instance 0. If this
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// is a non-table, the following code validates the instances. If this
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// is a table, developer modification is necessary below.
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tmp_instance = FullOid->ids[ HRSWRUNPERFENTRY_VAR_INDEX ] ;
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/*
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| Check for age-out and possibly refresh the entire cache for the
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| hrSWRun(Perf) table before we check to see if the instance is there.
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*/
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if (hrSWRunCache_Refresh() == FALSE) {
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return SNMP_ERRORSTATUS_GENERR;
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}
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/*
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| For hrSWRunPerf, the instance arc(s) is a single arc, and it must
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| correctly select an entry in the hrSWRun(Perf) Table cache.
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| Check that here.
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*/
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if ( FindTableRow(tmp_instance, &hrSWRunTable_cache) == NULL ) {
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return SNMP_ERRORSTATUS_NOSUCHNAME ;
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}
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else
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{
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// the instance is valid. Create the instance portion of the OID
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// to be returned from this call.
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instance->ids[ 0 ] = tmp_instance ;
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instance->idLength = 1 ;
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}
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return SNMP_ERRORSTATUS_NOERROR ;
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} /* end of HrSWRunPerfEntryFindInstance() */
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/*
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* HrSWRunPerfEntryFindNextInstance
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*
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* This routine is called to get the next instance. If no instance
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* was passed than return the first instance (1).
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*
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* Arguments:
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*
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* FullOid Address for the full oid - group, variable,
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* and instance information
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* instance Address for instance specification as an oid
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*
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* Return Codes:
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*
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* SNMP_ERRORSTATUS_NOERROR Instance found and valid
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* SNMP_ERRORSTATUS_NOSUCHNAME Invalid instance
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*
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*/
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UINT
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HrSWRunPerfEntryFindNextInstance( IN ObjectIdentifier *FullOid ,
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IN OUT ObjectIdentifier *instance )
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{
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//
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// Developer supplied code to find the next instance of class goes here.
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// If this is a class with cardinality 1, no modification of this routine
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// is necessary unless additional context needs to be set.
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// If the FullOid does not specify an instance, then the only instance
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// of the class is returned. If this is a table, the first row of the
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// table is returned.
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//
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// If an instance is specified and this is a non-table class, then NOSUCHNAME
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// is returned so that correct MIB rollover processing occurs. If this is
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// a table, then the next instance is the one following the current instance.
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// If there are no more instances in the table, return NOSUCHNAME.
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//
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CACHEROW *row;
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ULONG tmp_instance;
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if ( FullOid->idLength <= HRSWRUNPERFENTRY_VAR_INDEX )
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{
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/*
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| Too short: must return the instance arc that selects the first
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| entry in the table if there is one.
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*/
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tmp_instance = 0;
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}
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else {
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/*
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| There is at least one instance arc. Even if it is the only arc
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| we use it as the "index" in a request for the "NEXT" one.
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*/
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tmp_instance = FullOid->ids[ HRSWRUNPERFENTRY_VAR_INDEX ] ;
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}
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/*
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| Check for age-out and possibly refresh the entire cache for the
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| hrSWRun(Perf) table before we check to see if the instance is there.
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*/
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if (hrSWRunCache_Refresh() == FALSE) {
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return SNMP_ERRORSTATUS_GENERR;
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}
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/* Now go off and try to find the next instance in the table */
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if ((row = FindNextTableRow(tmp_instance, &hrSWRunTable_cache)) == NULL) {
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return SNMP_ERRORSTATUS_NOSUCHNAME ;
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}
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instance->ids[ 0 ] = row->index ;
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instance->idLength = 1 ;
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return SNMP_ERRORSTATUS_NOERROR ;
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} /* end of HrSWRunPerfEntryFindNextInstance() */
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/*
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* HrSWRunPerfEntryConvertInstance
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*
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* This routine is used to convert the object id specification of an
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* instance into an ordered native representation. The object id format
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* is that object identifier that is returned from the Find Instance
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* or Find Next Instance routines. It is NOT the full object identifier
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* that contains the group and variable object ids as well. The native
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* representation is an argc/argv-like structure that contains the
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* ordered variables that define the instance. This is specified by
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* the MIB's INDEX clause. See RFC 1212 for information about the INDEX
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* clause.
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*
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*
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* Arguments:
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*
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* oid_spec Address of the object id instance specification
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* native_spec Address to return the ordered native instance
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* specification
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*
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* Return Codes:
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*
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* SUCCESS Conversion complete successfully
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* FAILURE Unable to convert object id into native format
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*
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*/
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UINT
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HrSWRunPerfEntryConvertInstance( IN ObjectIdentifier *oid_spec ,
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IN OUT InstanceName *native_spec )
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{
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static char *array; /* The address of this (char *) is passed back */
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/* as though it were an array of length 1 of these */
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/* types. */
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static ULONG inst; /* The address of this ULONG is passed back */
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/* (Obviously, no "free()" action is needed) */
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/* We only expect the one arc in "oid_spec" */
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inst = oid_spec->ids[0];
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array = (char *) &inst;
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native_spec->count = 1;
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native_spec->array = &array;
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return SUCCESS ;
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} /* end of HrSWRunPerfEntryConvertInstance() */
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/*
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* HrSWRunPerfEntryFreeInstance
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*
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* This routine is used to free an ordered native representation of an
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* instance name.
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*
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* Arguments:
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*
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* instance Address to return the ordered native instance
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* specification
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*
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* Return Codes:
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*
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*
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*/
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void
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HrSWRunPerfEntryFreeInstance( IN OUT InstanceName *instance )
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{
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//
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// Developer supplied code to free native representation of instance name goes here.
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//
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} /* end of HrSWRunPerfEntryFreeInstance() */
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