Source code of Windows XP (NT5)
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/*++ BUILD Version: 001 // Increment this if a change has global effects
Copyright (c) 1995 Microsoft Corporation
Module Name :
mib.h
Abstract:
Generic Macros and Functions for SNMP Extension Agent for
gathering statistics information for Internet Services on NT.
Author:
Murali R. Krishnan ( MuraliK ) 22-Feb-1995
Environment:
User Mode -- Win32
Project:
SMTP Server SNMP MIB DLL
Revision History:
--*/
# ifndef _MIB_H_
# define _MIB_H_
#include <windows.h>
#include <snmp.h>
#include <lm.h>
#include <inetinfo.h>
//
// MIB function actions.
//
#define MIB_GET ( ASN_RFC1157_GETREQUEST)
#define MIB_SET ( ASN_RFC1157_SETREQUEST)
#define MIB_GETNEXT ( ASN_RFC1157_GETNEXTREQUEST)
#define MIB_GETFIRST ( ASN_PRIVATE | ASN_CONSTRUCTOR | 0x0 )
//
// MIB Variable access privileges.
//
#define MIB_ACCESS_READ 0
#define MIB_ACCESS_WRITE 1
#define MIB_ACCESS_READWRITE 2
#define MIB_NOACCESS 3
typedef UINT ( * LPMIBFUNC)(
RFC1157VarBind * pRfcVarBind,
UINT Action,
struct _MIB_ENTRY * pMibeCurrent,
struct _MIB_ENTRIES* pMibEntries,
LPVOID pStatistics
);
typedef struct _MIB_ENTRY {
AsnObjectIdentifier asnOid; // OID for mib variable
LONG lFieldOffset; // filed offset
UINT uiAccess; // type of accesss( R, W, R/W, None)
LPMIBFUNC pMibFunc; // ptr to function managing this var.
BYTE bType; // Type( integer, counter, gauage).
} MIB_ENTRY, FAR * LPMIB_ENTRY;
typedef struct _MIB_ENTRIES {
AsnObjectIdentifier * pOidPrefix; // Oid with prefix for MIB ENTRIES
int cMibEntries; // count of MIB_ENTRIES in the array
LPMIB_ENTRY prgMibEntry; // ptr to array of MIB_ENTRIES
} MIB_ENTRIES, FAR * LPMIB_ENTRIES;
//
// GET_OID_LENGTH( oid) gets the length of the oid.
//
# define GET_OID_LENGTH( oid) ((oid).idLength)
//
// Macro to determine number of sub-oid's in an array of UINTs.
//
#define OID_SIZEOF( uiArray ) ( sizeof( uiArray) / sizeof(UINT) )
//
// OID_FROM_UINT_ARRAY(): Macro to define OID from an Array of UINTs
//
# define OID_FROM_UINT_ARRAY( uiArray) { OID_SIZEOF( uiArray), uiArray }
//
// Macros for creating MIB Entries ( as specified in struct _MIB_ENTRY above)
// MIB_ENTRY_HEADER: creates a generic MIB_ENTRY for a MIB group header.
// MIB_ENTRY_ITEM: creates a generic MIB_ENTRY for a MIB variable.
// MIB_COUNTER: creates a counter type MIB_ENTRY
// MIB_INTEGER: creates an integer type MIB_ENTRY
//
# define MIB_ENTRY_HEADER( oid) \
{ oid, \
-1, \
MIB_NOACCESS, \
NULL, \
ASN_RFC1155_OPAQUE, \
}
# define MIB_ENTRY_ITEM( oid, offset, access, type, func) \
{ oid, \
offset, \
access, \
( func), \
( type), \
}
# define MIB_COUNTER( oid, field, func) \
MIB_ENTRY_ITEM( oid, field, MIB_ACCESS_READ, ASN_RFC1155_COUNTER, func)
# define MIB_INTEGER( oid, field, func) \
MIB_ENTRY_ITEM( oid, field, MIB_ACCESS_READ, ASN_INTEGER, func)
UINT
ResolveVarBinding(
IN OUT RFC1157VarBind * pRfcVarBinding,
IN BYTE pduAction,
IN LPVOID pStatistics,
IN LPMIB_ENTRIES pMibEntries
);
UINT
MibStatisticsWorker(
IN OUT RFC1157VarBind * pRfcVarBinding,
IN UINT pduAction,
IN struct _MIB_ENTRY * pMibeCurrent,
IN struct _MIB_ENTRIES * pMibEntries,
IN LPVOID pStatistics
);
# endif // _MIB_H_