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windows-nt/Source/XPSP1/NT/net/snmp/subagent/hostmib/hrstorag.c

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/*
* HrStorage.c v0.10
* Generated in conjunction with Management Factory scripts:
* script version: SNMPv1, 0.16, Apr 25, 1996
* project: D:\TEMP\EXAMPLE\HOSTMIB
****************************************************************************
* *
* (C) Copyright 1995 DIGITAL EQUIPMENT CORPORATION *
* *
* This software is an unpublished work protected under the *
* the copyright laws of the United States of America, all *
* rights reserved. *
* *
* In the event this software is licensed for use by the United *
* States Government, all use, duplication or disclosure by the *
* United States Government is subject to restrictions as set *
* forth in either subparagraph (c)(1)(ii) of the Rights in *
* Technical Data And Computer Software Clause at DFARS *
* 252.227-7013, or the Commercial Computer Software Restricted *
* Rights Clause at FAR 52.221-19, whichever is applicable. *
* *
****************************************************************************
*
* Facility:
*
* Windows NT SNMP Extension Agent
*
* Abstract:
*
* This module contains the code for dealing with the get, set, and
* instance name routines for the HrStorage. Actual instrumentation code is
* supplied by the developer.
*
* Functions:
*
* A get and set routine for each attribute in the class.
*
* The routines for instances within the class.
*
* Author:
*
* D. D. Burns @ Webenable Inc
*
* Revision History:
*
* V1.00 - 04/17/97 D. D. Burns Original Creation: Thu Nov 07 16:39:42 1996
*
*/
#include <windows.h>
#include <malloc.h>
#include <snmp.h>
#include "mib.h"
#include "smint.h"
#include "hostmsmi.h"
#include "user.h" /* Developer supplied include file */
/*
* GetHrMemorySize
* The amount of physical main memory contained by the host.
*
* Gets the value for HrMemorySize.
*
* Arguments:
*
* outvalue address to return variable value
* accesss Reserved for future security use
* instance address of instance name as ordered native
* data type(s)
*
* Return Codes:
*
* Standard PDU error codes.
*
* SNMP_ERRORSTATUS_NOERROR Successful get
* SNMP_ERRORSTATUS_GENERR Catch-all failure code
* mibtget.c v0.10
*
| =============== From WebEnable Design Spec Rev 3 04/11/97==================
| hrMemorySize
|
| ACCESS SYNTAX
| read-only KBytes
|
| "The amount of physical main memory contained by the host."
|
| DISCUSSION:
|
| Win32 API function "GlobalMemoryStatus" is invoked and the value returned
| in structure MEMORYSTATUS for cell "dwTotalPhys" is used to compute the value
| returned for this attribute.
|
|============================================================================
| 1.3.6.1.2.1.25.2.2.0
| | |
| | *-hrMemorySize
| *-hrStorage
*/
UINT
GetHrMemorySize(
OUT KBytes *outvalue ,
IN Access_Credential *access ,
IN InstanceName *instance )
{
MEMORYSTATUS mem_status; /* For "GlobalMemoryStatus()" call */
/* Get the "mem_status" structure filled in */
GlobalMemoryStatus(&mem_status);
/* Return total available physical bytes reduced to 1024 blocks */
*outvalue = (KBytes)(mem_status.dwTotalPhys / 1024);
return SNMP_ERRORSTATUS_NOERROR ;
} /* end of GetHrMemorySize() */
/*
* HrStorageFindInstance
*
* This routine is used to verify that the specified instance is
* valid.
*
* Arguments:
*
* FullOid Address for the full oid - group, variable,
* and instance information
* instance Address for instance specification as an oid
*
* Return Codes:
*
* SNMP_ERRORSTATUS_NOERROR Instance found and valid
* SNMP_ERRORSTATUS_NOSUCHNAME Invalid instance
*
*/
UINT
HrStorageFindInstance( IN ObjectIdentifier *FullOid ,
IN OUT ObjectIdentifier *instance )
{
UINT tmp_instance ;
//
// Developer instrumentation code to find appropriate instance goes here.
// For non-tables, it is not necessary to modify this routine.
// However, if there is any context that needs to be set, it can be done
// here.
if ( FullOid->idLength <= HRSTORAGE_VAR_INDEX )
// No instance was specified
return SNMP_ERRORSTATUS_NOSUCHNAME ;
else if ( FullOid->idLength != HRSTORAGE_VAR_INDEX + 1 )
// Instance length is more than 1
return SNMP_ERRORSTATUS_NOSUCHNAME ;
else
// The only valid instance for a non-table are instance 0. If this
// is a non-table, the following code validates the instances. If this
// is a table, developer modification is necessary below.
tmp_instance = FullOid->ids[ HRSTORAGE_VAR_INDEX ] ;
if ( tmp_instance )
return SNMP_ERRORSTATUS_NOSUCHNAME ;
else
{
// the instance is valid. Create the instance portion of the OID
// to be returned from this call.
instance->ids[ 0 ] = tmp_instance ;
instance->idLength = 1 ;
}
return SNMP_ERRORSTATUS_NOERROR ;
} /* end of HrStorageFindInstance() */
/*
* HrStorageFindNextInstance
*
* This routine is called to get the next instance. If no instance
* was passed than return the first instance (1).
*
* Arguments:
*
* FullOid Address for the full oid - group, variable,
* and instance information
* instance Address for instance specification as an oid
*
* Return Codes:
*
* SNMP_ERRORSTATUS_NOERROR Instance found and valid
* SNMP_ERRORSTATUS_NOSUCHNAME Invalid instance
*
*/
UINT
HrStorageFindNextInstance( IN ObjectIdentifier *FullOid ,
IN OUT ObjectIdentifier *instance )
{
//
// Developer supplied code to find the next instance of class goes here.
// If this is a class with cardinality 1, no modification of this routine
// is necessary unless additional context needs to be set.
// If the FullOid does not specify an instance, then the only instance
// of the class is returned. If this is a table, the first row of the
// table is returned.
//
// If an instance is specified and this is a non-table class, then
// NOSUCHNAME is returned so that correct MIB rollover processing occurs.
//
// If this is a table, then the next instance is the one following the
// current instance.
//
// If there are no more instances in the table, return NOSUCHNAME.
//
if ( FullOid->idLength <= HRSTORAGE_VAR_INDEX )
{
instance->ids[ 0 ] = 0 ;
instance->idLength = 1 ;
}
else
return SNMP_ERRORSTATUS_NOSUCHNAME ;
return SNMP_ERRORSTATUS_NOERROR ;
} /* end of HrStorageFindNextInstance() */
/*
* HrStorageConvertInstance
*
* This routine is used to convert the object id specification of an
* instance into an ordered native representation. The object id format
* is that object identifier that is returned from the Find Instance
* or Find Next Instance routines. It is NOT the full object identifier
* that contains the group and variable object ids as well. The native
* representation is an argc/argv-like structure that contains the
* ordered variables that define the instance. This is specified by
* the MIB's INDEX clause. See RFC 1212 for information about the INDEX
* clause.
*
*
* Arguments:
*
* oid_spec Address of the object id instance specification
* native_spec Address to return the ordered native instance
* specification
*
* Return Codes:
*
* SUCCESS Conversion complete successfully
* FAILURE Unable to convert object id into native format
*
*/
UINT
HrStorageConvertInstance( IN ObjectIdentifier *oid_spec ,
IN OUT InstanceName *native_spec )
{
//
// Developer supplied code to convert instance identifer to native
// specification of instance names goes here.
//
return SUCCESS ;
} /* end of HrStorageConvertInstance() */
/*
* HrStorageFreeInstance
*
* This routine is used to free an ordered native representation of an
* instance name.
*
* Arguments:
*
* instance Address to return the ordered native instance
* specification
*
* Return Codes:
*
*
*/
void
HrStorageFreeInstance( IN OUT InstanceName *instance )
{
//
// Developer supplied code to free native representation of instance name goes here.
//
} /* end of HrStorageFreeInstance() */
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