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/*===================================================================
Copyright (c) 1999
Hewlett-Packard Company
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and/or its documentation is hereby granted without fee. User agrees
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SNMP++ S M I V A L . H
SMIVALUE CLASS DEFINITION
VERSION: 2.8
RCS INFO:
$Header: smival.h,v 1.20 96/09/11 14:01:34 hmgr Exp $
DESIGN: Jeff Meyer
AUTHOR: Jeff Meyer
LANGUAGE:
ANSI C++
OPERATING SYSTEMS:
MS-Windows Win32
BSD UNIX
DESCRIPTION:
SMIValue class definition. Superclass for the various types
of SNMP values (Address, Oid, Octet, etc.). Provides
only a few functions, most info is in subclass.
=====================================================================*/
#ifndef _SMIVALUE
#define _SMIVALUE
//----[ includes ]-----------------------------------------------------
#include "smi.h"
#include // for debugging only
//----[ macros ]-------------------------------------------------------
//======================================================================
// SMI value structure conforming with SMI RFC
//
typedef struct { /* smiVALUE portion of VarBind */
SmiUINT32 syntax; /* Insert SNMP_SYNTAX_ */
union {
SmiINT sNumber; /* SNMP_SYNTAX_INT
SNMP_SYNTAX_INT32 */
SmiUINT32 uNumber; /* SNMP_SYNTAX_UINT32
SNMP_SYNTAX_CNTR32
SNMP_SYNTAX_GAUGE32
SNMP_SYNTAX_TIMETICKS */
SmiCNTR64 hNumber; /* SNMP_SYNTAX_CNTR64 */
SmiOCTETS string; /* SNMP_SYNTAX_OCTETS
SNMP_SYNTAX_BITS
SNMP_SYNTAX_OPAQUE
SNMP_SYNTAX_IPADDR
SNMP_SYNTAX_NSAPADDR */
SmiOID oid; /* SNMP_SYNTAX_OID */
SmiBYTE empty; /* SNMP_SYNTAX_NULL
SNMP_SYNTAX_NOSUCHOBJECT
SNMP_SYNTAX_NOSUCHINSTANCE
SNMP_SYNTAX_ENDOFMIBVIEW */
} value;
} SmiVALUE, *SmiLPVALUE;
//=================================================================
//--------------------------------------------------------------------
//----[ SnmpSyntax class ]--------------------------------------------
//--------------------------------------------------------------------
// An "abstract" (pure virtual) class that serves as the base class
// for all specific SNMP syntax types.
//
class DLLOPT SnmpSyntax {
public:
// virtual function for getting a printable ASCII value for any SNMP Value
virtual char * get_printable() = 0;
// return the current syntax
virtual SmiUINT32 get_syntax() = 0;
// virtual clone operation for creating a new Value from an existing
// value. The caller MUST use the delete operation on the return
// value when done.
virtual SnmpSyntax * clone() const = 0;
// virtual destructor to ensure deletion of derived classes...
virtual ~SnmpSyntax() {};
// overloaded assignment operator
// This should be pure virtual, but WinNT compiler
// complains about unresolved reference at link time.
virtual SnmpSyntax& operator=( SnmpSyntax &/*val*/)
{ return *this; };
// return validity of value object.
virtual int valid() const = 0;
protected:
SmiVALUE smival;
};
#endif // _SMIVALUE