/*

 * Copyright (c) 2001, 2003, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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package com.sun.jmx.snmp.internal;

import com.sun.jmx.snmp.SnmpStatusException;

import com.sun.jmx.snmp.SnmpOid;

import com.sun.jmx.snmp.SnmpPdu;

import com.sun.jmx.snmp.SnmpUnknownAccContrModelException;

/**

 * Access Control sub system interface. To allow engine integration, an Access Control sub system must implement this interface.

 * <p><b>This API is a Sun Microsystems internal API  and is subject

 * to change without notice.</b></p>

 * @since 1.5

 */

public interface SnmpAccessControlSubSystem extends SnmpSubSystem {

    /**

     * Method called by the dispatcher in order to control the access at an SNMP pdu Level.

     * <P> This call is routed by the sub system to the target model according to the SNMP protocol version number.</P>

     * @param version The SNMP protocol version number.

     * @param principal The request principal.

     * @param securityLevel The request security level as defined in <CODE>SnmpEngine</CODE>.

     * @param pduType The pdu type (get, set, ...).

     * @param securityModel The security model ID.

     * @param contextName The access control context name.

     * @param pdu The pdu to check.

     */

    public void checkPduAccess(int version,

                               String principal,

                               int securityLevel,

                               int pduType,

                               int securityModel,

                               byte[] contextName,

                               SnmpPdu pdu) throws SnmpStatusException, SnmpUnknownAccContrModelException;

    /**

     * Method called by the dispatcher in order to control the access at an <CODE>SnmpOid</CODE> Level.

     * This method is called after the <CODE>checkPduAccess</CODE> pdu based method.

     * <P> This call is routed by the sub system to the target model according to the SNMP protocol version number.</P>

     * @param version The SNMP protocol version number.

     * @param principal The request principal.

     * @param securityLevel The request security level as defined in <CODE>SnmpEngine</CODE>.

     * @param pduType The pdu type (get, set, ...).

     * @param securityModel The security model ID.

     * @param contextName The access control context name.

     * @param oid The OID to check.

     */

    public void checkAccess(int version,

                            String principal,

                            int securityLevel,

                            int pduType,

                            int securityModel,

                            byte[] contextName,

                            SnmpOid oid) throws SnmpStatusException, SnmpUnknownAccContrModelException;

}