97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1998, Microsoft Corp. All rights reserved.
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//
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// FILE
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//
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// snmpoid.h
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//
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// SYNOPSIS
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//
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// Declares the class SnmpOid.
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//
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// MODIFICATION HISTORY
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//
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// 09/10/1998 Original version.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _SNMPOID_H_
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#define _SNMPOID_H_
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#if _MSC_VER >= 1000
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#pragma once
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#endif
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#include <snmp.h>
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///////////////////////////////////////////////////////////////////////////////
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//
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// CLASS
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//
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// SnmpOid
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//
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// DESCRIPTION
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//
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// Wrapper around an AsnObjectIdentifier struct.
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//
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///////////////////////////////////////////////////////////////////////////////
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class SnmpOid
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{
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public:
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// Constructor.
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SnmpOid(AsnObjectIdentifier& a) throw ()
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: oid(a)
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{ }
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// Assignment operator.
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SnmpOid& operator=(const AsnObjectIdentifier& a);
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// Returns the number of ID's forming the OID.
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ULONG length() const throw ()
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{ return oid.idLength; }
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// Access an individual ID. Count is from the back. Does not check for
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// underflow.
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const UINT id(UINT pos) const throw ()
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{ return oid.ids[oid.idLength - 1 - pos]; }
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UINT& id(UINT pos) throw ()
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{ return oid.ids[oid.idLength - 1 - pos]; }
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// Returns true if this is a child of 'parent'.
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bool isChildOf(const AsnObjectIdentifier& parent) const throw ();
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// Changes the length of the OID.
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void resize(UINT newLength);
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// Cast operators allows this to be used with C API's.
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operator AsnObjectIdentifier*() const throw ()
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{ return const_cast<AsnObjectIdentifier*>(&oid); }
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operator AsnObjectIdentifier&() const throw ()
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{ return const_cast<AsnObjectIdentifier&>(oid); }
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// Comparison operators.
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bool SnmpOid::operator<(const AsnObjectIdentifier& a) const throw ()
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{ return SnmpUtilOidCmp(*this, const_cast<AsnObjectIdentifier*>(&a)) < 0; }
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bool SnmpOid::operator<=(const AsnObjectIdentifier& a) const throw ()
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{ return SnmpUtilOidCmp(*this, const_cast<AsnObjectIdentifier*>(&a)) <= 0; }
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bool SnmpOid::operator==(const AsnObjectIdentifier& a) const throw ()
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{ return SnmpUtilOidCmp(*this, const_cast<AsnObjectIdentifier*>(&a)) == 0; }
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bool SnmpOid::operator>=(const AsnObjectIdentifier& a) const throw ()
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{ return SnmpUtilOidCmp(*this, const_cast<AsnObjectIdentifier*>(&a)) >= 0; }
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bool SnmpOid::operator>(const AsnObjectIdentifier& a) const throw ()
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{ return SnmpUtilOidCmp(*this, const_cast<AsnObjectIdentifier*>(&a)) > 0; }
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protected:
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AsnObjectIdentifier& oid;
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private:
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// Not implemented.
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SnmpOid(const SnmpOid&);
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};
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#endif // _SNMPOID_H_
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