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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* * * (C) Copyright 1995 DIGITAL EQUIPMENT CORPORATION * * * * This software is an unpublished work protected under the * * the copyright laws of the United States of America, all * * rights reserved.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 */
UINTGetHrMemorySize( OUT KBytes *outvalue , IN Access_Credential *access , IN InstanceName *instance )
{ MEMORYSTATUSEX mem_status; /* For "GlobalMemoryStatusEx()" call */
/* Get the "mem_status" structure filled in */ mem_status.dwLength = sizeof(MEMORYSTATUSEX); if (!GlobalMemoryStatusEx(&mem_status)) { RtlZeroMemory(&mem_status, sizeof(MEMORYSTATUSEX)); }
// the maximum amount we can return is 2147483647 KBytes (i.e. INT_MAX)
// 0x1FFFFFFFC00 = 2147483647 * 1024
if (mem_status.ullTotalPhys > 0x1FFFFFFFC00) { mem_status.ullTotalPhys = 0x1FFFFFFFC00; } /* Return total available physical bytes reduced to 1024 blocks */ *outvalue = (KBytes)(mem_status.ullTotalPhys / 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 * */
UINTHrStorageFindInstance( 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 * */
UINTHrStorageFindNextInstance( 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 * */
UINTHrStorageConvertInstance( 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: * * */
voidHrStorageFreeInstance( IN OUT InstanceName *instance ){
//
// Developer supplied code to free native representation of instance name goes here.
//
} /* end of HrStorageFreeInstance() */
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