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/*_############################################################################
_##
_## SNMP4J-Agent 2 - SnmpNotificationMIB.java
_##
_## Copyright (C) 2005-2014 Frank Fock (SNMP4J.org)
_##
_## Licensed under the Apache License, Version 2.0 (the "License");
_## you may not use this file except in compliance with the License.
_## You may obtain a copy of the License at
_##
_## http://www.apache.org/licenses/LICENSE-2.0
_##
_## Unless required by applicable law or agreed to in writing, software
_## distributed under the License is distributed on an "AS IS" BASIS,
_## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
_## See the License for the specific language governing permissions and
_## limitations under the License.
_##
_##########################################################################*/
package org.snmp4j.agent.mo.snmp;
//--AgentGen BEGIN=_BEGIN
//--AgentGen END
import org.snmp4j.smi.*;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.agent.*;
import org.snmp4j.agent.mo.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.TreeMap;
import org.snmp4j.log.LogAdapter;
import org.snmp4j.log.LogFactory;
//--AgentGen BEGIN=_IMPORT
//--AgentGen END
public class SnmpNotificationMIB implements MOGroup {
private static final LogAdapter logger =
LogFactory.getLogger(SnmpNotificationMIB.class);
// Constants
public static final OID oidSnmpNotifyEntry =
new OID(new int[] { 1,3,6,1,6,3,13,1,1,1 });
// Column sub-identifer defintions for snmpNotifyEntry:
public static final int colSnmpNotifyTag = 2;
public static final int colSnmpNotifyType = 3;
public static final int colSnmpNotifyStorageType = 4;
public static final int colSnmpNotifyRowStatus = 5;
// Column index defintions for snmpNotifyEntry:
public static final int idxSnmpNotifyTag = 0;
public static final int idxSnmpNotifyType = 1;
public static final int idxSnmpNotifyStorageType = 2;
public static final int idxSnmpNotifyRowStatus = 3;
private static MOTableSubIndex[] snmpNotifyEntryIndexes =
new MOTableSubIndex[] {
new MOTableSubIndex(SMIConstants.SYNTAX_OCTET_STRING, 1, 32)
};
private static MOTableIndex snmpNotifyEntryIndex =
new MOTableIndex(snmpNotifyEntryIndexes, true);
private DefaultMOTable> snmpNotifyEntry;
private DefaultMOMutableTableModel snmpNotifyEntryModel;
public static final OID oidSnmpNotifyFilterEntry =
new OID(new int[] { 1,3,6,1,6,3,13,1,3,1 });
// Column sub-identifer defintions for snmpNotifyFilterEntry:
public static final int colSnmpNotifyFilterMask = 2;
public static final int colSnmpNotifyFilterType = 3;
public static final int colSnmpNotifyFilterStorageType = 4;
public static final int colSnmpNotifyFilterRowStatus = 5;
// Column index defintions for snmpNotifyFilterEntry:
public static final int idxSnmpNotifyFilterSubtree = 1;
public static final int idxSnmpNotifyFilterMask = 0;
public static final int idxSnmpNotifyFilterType = 1;
public static final int idxSnmpNotifyFilterStorageType = 2;
public static final int idxSnmpNotifyFilterRowStatus = 3;
private static MOTableSubIndex[] snmpNotifyFilterEntryIndexes =
new MOTableSubIndex[] {
new MOTableSubIndex(SMIConstants.SYNTAX_OCTET_STRING, 1, 32),
new MOTableSubIndex(SMIConstants.SYNTAX_OBJECT_IDENTIFIER, 0, 128) };
private static MOTableIndex snmpNotifyFilterEntryIndex =
new MOTableIndex(snmpNotifyFilterEntryIndexes, true);
private DefaultMOTable>
snmpNotifyFilterEntry;
private DefaultMOMutableTableModel snmpNotifyFilterEntryModel;
public static final OID oidSnmpNotifyFilterProfileEntry =
new OID(new int[] { 1,3,6,1,6,3,13,1,2,1 });
// Column sub-identifer defintions for snmpNotifyFilterProfileEntry:
public static final int colSnmpNotifyFilterProfileName = 1;
public static final int colSnmpNotifyFilterProfileStorType = 2;
public static final int colSnmpNotifyFilterProfileRowStatus = 3;
// Column index defintions for snmpNotifyFilterProfileEntry:
public static final int idxSnmpNotifyFilterProfileName = 0;
public static final int idxSnmpNotifyFilterProfileStorType = 1;
public static final int idxSnmpNotifyFilterProfileRowStatus = 2;
private static MOTableSubIndex[] snmpNotifyFilterProfileEntryIndexes =
new MOTableSubIndex[] {
new MOTableSubIndex(SMIConstants.SYNTAX_OCTET_STRING, 1, 32)
};
private static MOTableIndex snmpNotifyFilterProfileEntryIndex =
new MOTableIndex(snmpNotifyFilterProfileEntryIndexes, true);
private DefaultMOTable>
snmpNotifyFilterProfileEntry;
private DefaultMOMutableTableModel snmpNotifyFilterProfileEntryModel;
public SnmpNotificationMIB() {
createSnmpNotifyEntry();
createSnmpNotifyFilterEntry();
createSnmpNotifyFilterProfileEntry();
}
@SuppressWarnings("unchecked")
private void createSnmpNotifyEntry() {
MOColumn[] snmpNotifyEntryColumns = new MOColumn[4];
snmpNotifyEntryColumns[idxSnmpNotifyTag] =
new SnmpTagValue(colSnmpNotifyTag,
MOAccessImpl.ACCESS_READ_CREATE,
new OctetString(new byte[] { }),
true);
snmpNotifyEntryColumns[idxSnmpNotifyType] =
new Enumerated(colSnmpNotifyType,
SMIConstants.SYNTAX_INTEGER32,
MOAccessImpl.ACCESS_READ_CREATE,
new Integer32(1),
true,
new int[] { 1, 2 });
snmpNotifyEntryColumns[idxSnmpNotifyStorageType] =
new StorageType(colSnmpNotifyStorageType,
MOAccessImpl.ACCESS_READ_CREATE,
new Integer32(3),
true);
snmpNotifyEntryColumns[idxSnmpNotifyRowStatus] =
new RowStatus(colSnmpNotifyRowStatus);
snmpNotifyEntry =
new DefaultMOTable(oidSnmpNotifyEntry,
snmpNotifyEntryIndex,
snmpNotifyEntryColumns);
snmpNotifyEntryModel = new DefaultMOMutableTableModel();
snmpNotifyEntryModel.setRowFactory(new DefaultMOMutableRow2PCFactory());
snmpNotifyEntry.setModel(snmpNotifyEntryModel);
}
@SuppressWarnings("unchecked")
private void createSnmpNotifyFilterEntry() {
MOColumn[] snmpNotifyFilterEntryColumns = new MOColumn[4];
snmpNotifyFilterEntryColumns[idxSnmpNotifyFilterMask] =
new MOMutableColumn(colSnmpNotifyFilterMask,
SMIConstants.SYNTAX_OCTET_STRING,
MOAccessImpl.ACCESS_READ_CREATE,
new OctetString(new byte[] { }),
true);
((MOMutableColumn)snmpNotifyFilterEntryColumns[idxSnmpNotifyFilterMask]).
addMOValueValidationListener(new SnmpNotifyFilterMaskValidator());
snmpNotifyFilterEntryColumns[idxSnmpNotifyFilterType] =
new Enumerated(colSnmpNotifyFilterType,
SMIConstants.SYNTAX_INTEGER32,
MOAccessImpl.ACCESS_READ_CREATE,
new Integer32(1),
true,
new int[] { 1, 2 });
snmpNotifyFilterEntryColumns[idxSnmpNotifyFilterStorageType] =
new StorageType(colSnmpNotifyFilterStorageType,
MOAccessImpl.ACCESS_READ_CREATE,
new Integer32(3),
true);
snmpNotifyFilterEntryColumns[idxSnmpNotifyFilterRowStatus] =
new RowStatus(colSnmpNotifyFilterRowStatus);
snmpNotifyFilterEntry =
new DefaultMOTable(oidSnmpNotifyFilterEntry,
snmpNotifyFilterEntryIndex,
snmpNotifyFilterEntryColumns);
snmpNotifyFilterEntryModel = new DefaultMOMutableTableModel();
snmpNotifyFilterEntryModel.setRowFactory(new DefaultMOMutableRow2PCFactory());
snmpNotifyFilterEntry.setModel(snmpNotifyFilterEntryModel);
}
@SuppressWarnings("unchecked")
private void createSnmpNotifyFilterProfileEntry() {
MOColumn[] snmpNotifyFilterProfileEntryColumns = new MOColumn[3];
snmpNotifyFilterProfileEntryColumns[idxSnmpNotifyFilterProfileName] =
new SnmpAdminString(colSnmpNotifyFilterProfileName,
MOAccessImpl.ACCESS_READ_CREATE,
new OctetString(),
true, 1, 32);
snmpNotifyFilterProfileEntryColumns[idxSnmpNotifyFilterProfileStorType] =
new StorageType(colSnmpNotifyFilterProfileStorType,
MOAccessImpl.ACCESS_READ_CREATE,
new Integer32(3),
true);
snmpNotifyFilterProfileEntryColumns[idxSnmpNotifyFilterProfileRowStatus] =
new RowStatus(colSnmpNotifyFilterProfileRowStatus);
snmpNotifyFilterProfileEntry =
new DefaultMOTable(oidSnmpNotifyFilterProfileEntry,
snmpNotifyFilterProfileEntryIndex,
snmpNotifyFilterProfileEntryColumns);
snmpNotifyFilterProfileEntryModel = new DefaultMOMutableTableModel();
snmpNotifyFilterProfileEntryModel.setRowFactory(new DefaultMOMutableRow2PCFactory());
snmpNotifyFilterProfileEntry.setModel(snmpNotifyFilterProfileEntryModel);
}
public void registerMOs(MOServer server, OctetString context)
throws DuplicateRegistrationException
{
// Scalar Objects
server.register(this.snmpNotifyEntry, context);
server.register(this.snmpNotifyFilterEntry, context);
server.register(this.snmpNotifyFilterProfileEntry, context);
}
public void unregisterMOs(MOServer server, OctetString context) {
// Scalar Objects
server.unregister(this.snmpNotifyEntry, context);
server.unregister(this.snmpNotifyFilterEntry, context);
server.unregister(this.snmpNotifyFilterProfileEntry, context);
}
public boolean addNotifyEntry(OctetString name, OctetString tag, int type,
int storageType) {
Variable[] vbs = new Variable[snmpNotifyEntry.getColumnCount()];
int n=0;
vbs[n++] = tag;
vbs[n++] = new Integer32(type);
vbs[n++] = new Integer32(storageType);
vbs[n ] = new Integer32(RowStatus.active);
OID index = name.toSubIndex(true);
DefaultMOMutableRow2PC row = snmpNotifyEntry.createRow(index, vbs);
snmpNotifyEntry.addRow(row);
return true;
}
public boolean removeNotifyEntry(OctetString name) {
return snmpNotifyEntry.removeRow(name.toSubIndex(true)) != null;
}
public DefaultMOTable>
getNotifyTable() {
return snmpNotifyEntry;
}
public DefaultMOTable>
getNotifyFilterTable() {
return snmpNotifyFilterEntry;
}
public DefaultMOTable>
getNotifyFilterProfileTable() {
return snmpNotifyFilterProfileEntry;
}
public boolean hasFilter(final OctetString filterName) {
MOTableRowFilter selectFilter = new MOTableRowFilter() {
public boolean passesFilter(DefaultMOMutableRow2PC row) {
Integer32 rs = (Integer32) row.getValue(idxSnmpNotifyFilterProfileRowStatus);
if (rs == null) {
return false;
}
return ((rs.getValue() == RowStatus.active) &&
filterName.equals(row.getValue(idxSnmpNotifyFilterProfileName)));
}
};
synchronized (snmpNotifyFilterProfileEntryModel) {
Iterator it = snmpNotifyFilterProfileEntryModel.iterator(selectFilter);
return it.hasNext();
}
}
public boolean passesFilter(final OctetString filterName, OID notificationID,
VariableBinding[] vbs) {
MOTableRowFilter selectFilter = new MOTableRowFilter() {
public boolean passesFilter(DefaultMOMutableRow2PC row) {
Integer32 rs = (Integer32) row.getValue(idxSnmpNotifyFilterProfileRowStatus);
if (rs == null) {
return false;
}
return ((rs.getValue() == RowStatus.active) &&
filterName.equals(row.getValue(idxSnmpNotifyFilterProfileName)));
}
};
List profiles =
snmpNotifyFilterProfileEntryModel.getRows(null, null, selectFilter);
return passesFilter(notificationID, vbs, profiles);
}
public boolean passesFilter(OID paramsIndex, OID notificationID,
VariableBinding[] vbs) {
MOTableRowFilter activeFilter =
new RowStatus.ActiveRowsFilter(idxSnmpNotifyFilterProfileRowStatus);
List profiles =
snmpNotifyFilterProfileEntryModel.getRows(paramsIndex,
paramsIndex.successor(),
activeFilter);
return passesFilter(notificationID, vbs, profiles);
}
private boolean passesFilter(OID notificationID, VariableBinding[] vbs,
List profiles) {
if (profiles.size() == 0) {
// no profile -> passes filter
return true;
}
OctetString profileName = (OctetString)
(profiles.get(0)).getValue(idxSnmpNotifyFilterProfileName);
OID profileNameOID = profileName.toSubIndex(false);
OID profileNameOIDNext = profileNameOID.nextPeer();
MOTableRowFilter activeFilter =
new RowStatus.ActiveRowsFilter(idxSnmpNotifyFilterRowStatus);
List filters =
snmpNotifyFilterEntryModel.getRows(profileNameOID,
profileNameOIDNext,
activeFilter);
if (filters.size() == 0) {
// no filters -> no trap is sent
return false;
}
TreeMap oidMatches = new TreeMap();
List> vbMatches = new ArrayList>(vbs.length);
for (MOTableRow row : filters) {
Variable[] indexValues =
snmpNotifyFilterEntryIndex.getIndexValues(row.getIndex());
OID subtree = (OID) indexValues[idxSnmpNotifyFilterSubtree];
OctetString mask = (OctetString) row.getValue(idxSnmpNotifyFilterMask);
Integer32 type = (Integer32) row.getValue(idxSnmpNotifyFilterType);
OID subtreeWithLength = new OID();
subtreeWithLength.append(subtree.size());
subtreeWithLength.append(subtree);
if (isInSubtree(notificationID, subtree, mask)) {
oidMatches.put(subtreeWithLength, type);
}
// filter VBs
for (int i = 0; i < vbs.length; i++) {
if (isInSubtree(vbs[i].getOid(), subtree, mask)) {
if ((vbMatches.size() > i) && (vbMatches.get(i) == null)) {
vbMatches.set(i, new TreeMap());
}
else if (vbMatches.size() <= i) {
for (int j=0; j<=i-vbMatches.size(); j++) {
vbMatches.add(new TreeMap());
}
}
else {
vbMatches.get(i).put(subtreeWithLength, type);
}
}
}
}
if (oidMatches.size() == 0) {
// no matches against notification ID
if (logger.isInfoEnabled()) {
logger.info("Filter " + profileName +
" has no matches for notification ID " +
notificationID);
}
return false;
}
else if ((oidMatches.get(oidMatches.lastKey())).getValue() ==
SnmpNotifyFilterTypeEnum.excluded) {
if (logger.isInfoEnabled()) {
logger.info("Notification ID " + notificationID +
" is excluded from filter " + profileName);
}
return false;
}
for (int i=0; i vbMatch = vbMatches.get(i);
if ((vbMatch!= null) && (vbMatch.size() > 0)) {
if ((vbMatches.get(i).get(vbMatch.lastKey())).getValue() ==
SnmpNotifyFilterTypeEnum.excluded) {
if (logger.isInfoEnabled()) {
logger.info("Variable binding " + vbs[i] +
" is not in filter " + profileName);
}
return false;
}
}
}
return true;
}
private static boolean isInSubtree(OID oid, OID subtree, OctetString mask) {
OID maskedSubtree = subtree.mask(mask);
OID maskedOID = oid.mask(mask);
if (maskedOID.equals(maskedSubtree)) {
return true;
}
return maskedOID.startsWith(maskedSubtree);
}
// Enumerations
public static final class SnmpNotifyTypeEnum {
public static final int trap = 1;
public static final int inform = 2;
}
public static final class SnmpNotifyFilterTypeEnum {
public static final int included = 1;
public static final int excluded = 2;
}
// Scalars
// Value Validators
/**
* The SnmpNotifyFilterMaskValidator implements the value validation
* for SnmpNotifyFilterMask.
*/
static class SnmpNotifyFilterMaskValidator implements MOValueValidationListener {
public void validate(MOValueValidationEvent validationEvent) {
Variable newValue = validationEvent.getNewValue();
OctetString os = (OctetString)newValue;
if (!(((os.length() >= 0) && (os.length() <= 16)))) {
validationEvent.setValidationStatus(SnmpConstants.SNMP_ERROR_WRONG_LENGTH);
return;
}
//--AgentGen BEGIN=snmpNotifyFilterMask::validate
//--AgentGen END
}
}
//--AgentGen BEGIN=_CLASSES
//--AgentGen END
//--AgentGen BEGIN=_END
//--AgentGen END
}
