| /* |
| * 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.netconf; |
| |
| import com.google.common.collect.ImmutableList; |
| import org.apache.commons.configuration.HierarchicalConfiguration; |
| import org.onosproject.incubator.net.faultmanagement.alarm.Alarm; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmConsumer; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmId; |
| import org.onosproject.incubator.net.faultmanagement.alarm.DefaultAlarm; |
| import org.onosproject.incubator.net.faultmanagement.alarm.XmlEventParser; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.netconf.NetconfController; |
| import org.onosproject.netconf.NetconfException; |
| import org.onosproject.mastership.MastershipService; |
| |
| import org.slf4j.Logger; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.onosproject.incubator.net.faultmanagement.alarm.Alarm.SeverityLevel; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.configsAt; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.xmlEmpty; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_DATA_SYSTEMALARMS; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_SYSTEMALARMS_XMLNS; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Polatis specific implementation to provide a list of current alarms. |
| */ |
| public class PolatisAlarmConsumer extends AbstractHandlerBehaviour implements AlarmConsumer { |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String ALARM_TIME = "alarm-time"; |
| private static final String ALARM_TYPE = "alarm-type"; |
| private static final String ALARM_TYPE_LOS = "NOTIF_PORT_POWER"; |
| private static final String ALARM_MESSAGE = "alarm-message"; |
| |
| private DeviceId deviceId; |
| |
| @Override |
| public List<Alarm> consumeAlarms() { |
| DriverHandler handler = handler(); |
| NetconfController controller = handler.get(NetconfController.class); |
| checkNotNull(controller, "Netconf controller is null"); |
| |
| MastershipService mastershipService = handler.get(MastershipService.class); |
| deviceId = handler.data().deviceId(); |
| |
| List<Alarm> alarms = new ArrayList<>(); |
| if (!mastershipService.isLocalMaster(deviceId)) { |
| log.warn("Not master for {} Use {} to execute command", |
| deviceId, |
| mastershipService.getMasterFor(deviceId)); |
| return ImmutableList.copyOf(alarms); |
| } |
| |
| try { |
| String request = xmlEmpty(KEY_SYSTEMALARMS_XMLNS); |
| String reply = controller.getDevicesMap() |
| .get(deviceId) |
| .getSession() |
| .get(request, null); |
| if (reply != null) { |
| alarms = parseAlarms(reply); |
| } |
| } catch (NetconfException e) { |
| log.error("Error reading alarms for device {} exception {}", deviceId, e); |
| } |
| |
| return ImmutableList.copyOf(alarms); |
| } |
| |
| private List<Alarm> parseAlarms(String content) { |
| List<HierarchicalConfiguration> subtrees = configsAt(content, KEY_DATA_SYSTEMALARMS); |
| List<Alarm> alarms = new ArrayList<>(); |
| for (HierarchicalConfiguration alarm : subtrees) { |
| alarms.add(parseAlarm(alarm)); |
| } |
| return alarms; |
| } |
| |
| private Alarm parseAlarm(HierarchicalConfiguration cfg) { |
| boolean cleared = false; |
| String alarmType = cfg.getString(ALARM_TYPE); |
| String alarmMessage = cfg.getString(ALARM_MESSAGE); |
| SeverityLevel alarmLevel = SeverityLevel.INDETERMINATE; |
| if (alarmType.equals(ALARM_TYPE_LOS)) { |
| alarmLevel = SeverityLevel.MAJOR; |
| } |
| long timeRaised = getTimeRaised(cfg); |
| DefaultAlarm.Builder alarmBuilder = new DefaultAlarm.Builder( |
| AlarmId.alarmId(deviceId, Long.toString(timeRaised)), |
| deviceId, alarmMessage, alarmLevel, timeRaised); |
| return alarmBuilder.build(); |
| } |
| |
| private long getTimeRaised(HierarchicalConfiguration cfg) { |
| String alarmTime = cfg.getString(ALARM_TIME); |
| return XmlEventParser.getEventTime(alarmTime); |
| } |
| } |