| /* |
| * Copyright 2018 Open Networking Foundation |
| * |
| * 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.onosproject.drivers.polatis.snmp; |
| |
| import org.onlab.packet.IpAddress; |
| |
| import org.onosproject.alarm.Alarm; |
| import org.onosproject.alarm.AlarmId; |
| import org.onosproject.alarm.DefaultAlarm; |
| import org.onosproject.alarm.DeviceAlarmConfig; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| |
| import org.snmp4j.CommandResponderEvent; |
| import org.snmp4j.PDU; |
| import org.snmp4j.smi.OID; |
| |
| import org.slf4j.Logger; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.onosproject.alarm.Alarm.SeverityLevel; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Polatis specific implementation to provide asynchronous alarms via SNMP. |
| */ |
| public class PolatisAlarmConfig extends AbstractHandlerBehaviour implements DeviceAlarmConfig { |
| private final Logger log = getLogger(getClass()); |
| |
| private DeviceId deviceId; |
| private static final OID SNMP_TRAP_OID = new OID(".1.3.6.1.6.3.1.1.4.1"); |
| private static final OID OPM_ALARM_OID = new OID(".1.3.6.1.4.1.26592.2.3.3.0.3"); |
| private static final OID ALARM_STATUS_OID = new OID(".1.3.6.1.4.1.26592.2.6.2.3.3"); |
| private static final OID ALARM_ID_OID = new OID(".1.3.6.1.4.1.26592.2.6.2.3.2"); |
| private static final OID ALARM_PORT_OID = new OID(".1.3.6.1.4.1.26592.2.3.3.1.1"); |
| private static final OID ALARM_PORT_LABEL_OID = new OID(".1.3.6.1.4.1.26592.2.3.3.1.2"); |
| private static final OID SYSUPTIME_OID = new OID(".1.3.6.1.2.1.1.3"); |
| private static final String CLEARED = "cleared"; |
| |
| @Override |
| public boolean configureDevice(IpAddress address, int port, String protocol) { |
| // TODO: Implement me |
| return false; |
| } |
| |
| @Override |
| public <T> Set<Alarm> translateAlarms(List<T> unparsedAlarms) { |
| deviceId = handler().data().deviceId(); |
| Set<Alarm> alarms = new HashSet<>(); |
| for (T alarm : unparsedAlarms) { |
| if (alarm instanceof CommandResponderEvent) { |
| CommandResponderEvent alarmEvent = (CommandResponderEvent) alarm; |
| PDU pdu = alarmEvent.getPDU(); |
| if (pdu != null) { |
| String alarmType = pdu.getVariable(SNMP_TRAP_OID).toString(); |
| if (alarmType.equals(OPM_ALARM_OID.toString())) { |
| String label = pdu.getVariable(ALARM_PORT_LABEL_OID).toString(); |
| int port = pdu.getVariable(ALARM_PORT_OID).toInt(); |
| String uniqueIdentifier = "LOS" + port; |
| String status = pdu.getVariable(ALARM_STATUS_OID).toString(); |
| String alarmMessage = "Loss of Service alarm " + status + " for fibre " + port; |
| SeverityLevel alarmLevel = SeverityLevel.MAJOR; |
| long timeRaised = 0; |
| DefaultAlarm.Builder alarmBuilder = new DefaultAlarm.Builder( |
| AlarmId.alarmId(deviceId, uniqueIdentifier), |
| deviceId, alarmMessage, alarmLevel, timeRaised); |
| if (status.equals(CLEARED)) { |
| long now = System.currentTimeMillis(); |
| alarmBuilder.clear().withTimeUpdated(now).withTimeCleared(now); |
| } |
| alarms.add(alarmBuilder.build()); |
| } |
| } |
| } |
| } |
| return alarms; |
| } |
| } |