| /* |
| * Copyright 2016 Open Networking Laboratory |
| * |
| * 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.bti; |
| |
| import com.btisystems.mibbler.mibs.netsnmp.netsnmp.I_Device; |
| import com.btisystems.mibbler.mibs.netsnmp.netsnmp._OidRegistry; |
| import com.btisystems.mibbler.mibs.netsnmp.netsnmp.mib_2.interfaces.IfTable; |
| import com.btisystems.pronx.ems.core.model.ClassRegistry; |
| import com.btisystems.pronx.ems.core.model.IClassRegistry; |
| import com.btisystems.pronx.ems.core.model.NetworkDevice; |
| import com.btisystems.pronx.ems.core.snmp.ISnmpSession; |
| import com.google.common.collect.ImmutableList; |
| import org.onosproject.incubator.net.faultmanagement.alarm.Alarm; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmConsumer; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmEntityId; |
| import org.onosproject.incubator.net.faultmanagement.alarm.DefaultAlarm; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.snmp.SnmpController; |
| import org.slf4j.Logger; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Net SNMP specific implementation to provide a list of current alarms. |
| */ |
| public class NetSnmpAlarmConsumer extends AbstractHandlerBehaviour implements AlarmConsumer { |
| private final Logger log = getLogger(getClass()); |
| protected static final IClassRegistry CLASS_REGISTRY = |
| new ClassRegistry(_OidRegistry.oidRegistry, I_Device.class); |
| |
| @Override |
| public List<Alarm> consumeAlarms() { |
| SnmpController controller = checkNotNull(handler().get(SnmpController.class)); |
| List<Alarm> alarms = new ArrayList<>(); |
| ISnmpSession session; |
| DeviceId deviceId = handler().data().deviceId(); |
| try { |
| session = controller.getSession(deviceId); |
| |
| NetworkDevice networkDevice = new NetworkDevice(CLASS_REGISTRY, |
| session.getAddress() |
| .getHostAddress()); |
| session.walkDevice(networkDevice, Collections.singletonList( |
| CLASS_REGISTRY.getClassToOidMap().get(IfTable.class))); |
| |
| IfTable interfaceTable = (IfTable) networkDevice.getRootObject() |
| .getEntity(CLASS_REGISTRY.getClassToOidMap().get(IfTable.class)); |
| if (interfaceTable != null) { |
| interfaceTable.getEntries().values().stream().forEach((ifEntry) -> { |
| if (ifEntry.getIfAdminStatus() == 1 && ifEntry.getIfOperStatus() == 2) { |
| alarms.add(new DefaultAlarm.Builder(deviceId, "Link Down.", |
| Alarm.SeverityLevel.CRITICAL, |
| System.currentTimeMillis()) |
| .forSource(AlarmEntityId |
| .alarmEntityId("port:" + ifEntry. |
| getIfDescr())).build()); |
| } |
| log.debug("Interface: " + ifEntry); |
| }); |
| } |
| } catch (IOException ex) { |
| log.error("Error reading alarms for device {}.", deviceId, ex); |
| alarms.add(controller.buildWalkFailedAlarm(deviceId)); |
| } |
| return ImmutableList.copyOf(alarms); |
| } |
| } |