uk.co.westhawk.snmp.pdu
Class DiscoveryPdu

java.lang.Object
  |
  +--java.util.Observable
        |
        +--uk.co.westhawk.snmp.stack.Pdu
              |
              +--uk.co.westhawk.snmp.pdu.DiscoveryPdu

public class DiscoveryPdu

extends Pdu

This class is used to perform the SNMPv3 USM discovery. This Pdu cannot have any OIDs.

Version:

$Revision: 3.10 $ $Date: 2002/10/23 09:56:20 $

Author:

Birgit Arkesteijn

Fields inherited from class uk.co.westhawk.snmp.stack.Pdu

added, answered, context, encodedPacket, errind, errstat, msg_type, reqVarbinds, respVarbinds

Constructor Summary

DiscoveryPdu(SnmpContextv3Face cntxt)
Constructor.

Method Summary

void	addOid(AsnObjectId oid) Cannot add any OID.
void	addOid(AsnObjectId oid, AsnObject val) Cannot add any OID.
void	addOid(java.lang.String oid) Cannot add any OID.
void	addOid(java.lang.String oid, AsnObject val) Cannot add any OID.
void	addOid(varbind var) Cannot add any OID.
protected void	new_value(int n, varbind a_var) The value of the request is set.
boolean	send() Send the Pdu.
protected void	tell_them() The methods notifies all observers.

Methods inherited from class uk.co.westhawk.snmp.stack.Pdu

addToTrans, getContext, getErrorIndex, getErrorStatus, getErrorStatusString, getMsgType, getReqId, getRequestVarbinds, getResponseVarbinds, isTimedOut, notifyObservers, send, send, sendme, setErrorIndex, setErrorStatus, setErrorStatus, setMsgType, setRetryIntervals, toString, toString, waitForSelf

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, setChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DiscoveryPdu

public DiscoveryPdu(SnmpContextv3Face cntxt)

Constructor.

Parameters:

context - The v3 context of the Pdu

Method Detail

addOid

public void addOid(java.lang.String oid)
            throws java.lang.IllegalArgumentException

Cannot add any OID. This method is overwritten to prevent users from adding any OID.

Overrides:

addOid in class Pdu

Throws:

java.lang.IllegalArgumentException - A discovery Pdu cannot have any OID.

addOid

public void addOid(java.lang.String oid,
                   AsnObject val)

Cannot add any OID. This method is overwritten to prevent users from adding any OID.

Overrides:

addOid in class Pdu

Throws:

java.lang.IllegalArgumentException - A discovery Pdu cannot have any OID.

Since:

4_12

addOid

public void addOid(AsnObjectId oid,
                   AsnObject val)

Cannot add any OID. This method is overwritten to prevent users from adding any OID.

Overrides:

addOid in class Pdu

Throws:

java.lang.IllegalArgumentException - A discovery Pdu cannot have any OID.

Since:

4_12

addOid

public void addOid(varbind var)
            throws java.lang.IllegalArgumentException

Cannot add any OID. This method is overwritten to prevent users from adding any OID.

Overrides:

addOid in class Pdu

Throws:

java.lang.IllegalArgumentException - A discovery Pdu cannot have any OID.

addOid

public void addOid(AsnObjectId oid)

Cannot add any OID. This method is overwritten to prevent users from adding any OID.

Overrides:

addOid in class Pdu

Throws:

java.lang.IllegalArgumentException - A discovery Pdu cannot have any OID.

Since:

4_12

send

public boolean send()
             throws java.io.IOException,
                    PduException

Send the Pdu. Note that all properties of the context have to be set before this point.

Overrides:

send in class Pdu

new_value

protected void new_value(int n,
                         varbind a_var)

The value of the request is set. This will be called by Pdu.fillin().

Overrides:

new_value in class Pdu

See Also:

Pdu.new_value(int, uk.co.westhawk.snmp.stack.varbind)

tell_them

protected void tell_them()

The methods notifies all observers. This will be called by Pdu.fillin().

If no exception occurred whilst receiving the response, the Object to the update() method of the Observer will be an array of varbinds, so they may contains any AsnObject type. If an exception occurred, that exception will be passed as the Object to the update() method.

Overrides:

tell_them in class Pdu