| /* |
| * Copyright 2016-present 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.provider.netconf.alarm; |
| |
| import com.google.common.collect.Maps; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onosproject.incubator.net.faultmanagement.alarm.Alarm; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmProvider; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmProviderService; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmProviderRegistry; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmTranslator; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.netconf.FilteringNetconfDeviceOutputEventListener; |
| import org.onosproject.netconf.NetconfController; |
| import org.onosproject.netconf.NetconfDevice; |
| import org.onosproject.netconf.NetconfDeviceInfo; |
| import org.onosproject.netconf.NetconfDeviceListener; |
| import org.onosproject.netconf.NetconfDeviceOutputEvent; |
| import org.onosproject.netconf.NetconfDeviceOutputEventListener; |
| import org.onosproject.netconf.NetconfSession; |
| import org.slf4j.Logger; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Collection; |
| import java.util.Map; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provider which uses an Alarm Manager to keep track of device notifications. |
| */ |
| @Component(immediate = true) |
| public class NetconfAlarmProvider extends AbstractProvider implements AlarmProvider { |
| |
| public static final String ACTIVE = "active"; |
| private final Logger log = getLogger(getClass()); |
| private final AlarmTranslator translator = new NetconfAlarmTranslator(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected AlarmProviderRegistry providerRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetconfController controller; |
| |
| protected AlarmProviderService providerService; |
| |
| private Map<DeviceId, InternalNotificationListener> idNotificationListenerMap = Maps.newHashMap(); |
| |
| public NetconfAlarmProvider() { |
| super(new ProviderId("netconf", "org.onosproject.netconf")); |
| } |
| |
| private NetconfDeviceListener deviceListener = new InnerDeviceListener(); |
| |
| @Activate |
| public void activate() { |
| providerService = providerRegistry.register(this); |
| controller.getNetconfDevices().forEach(id -> { |
| NetconfDevice device = controller.getNetconfDevice(id); |
| NetconfSession session = device.getSession(); |
| InternalNotificationListener listener = new InternalNotificationListener(device.getDeviceInfo()); |
| session.addDeviceOutputListener(listener); |
| idNotificationListenerMap.put(id, listener); |
| }); |
| controller.addDeviceListener(deviceListener); |
| log.info("NetconfAlarmProvider Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| providerRegistry.unregister(this); |
| idNotificationListenerMap.forEach((id, listener) -> { |
| controller.getNetconfDevice(id) |
| .getSession() |
| .removeDeviceOutputListener(listener); |
| }); |
| controller.removeDeviceListener(deviceListener); |
| providerService = null; |
| log.info("NetconfAlarmProvider Stopped"); |
| } |
| |
| @Override |
| public void triggerProbe(DeviceId deviceId) { |
| log.debug("Alarm probe triggered with {}", deviceId); |
| } |
| |
| private void triggerProbe(DeviceId deviceId, Collection<Alarm> alarms) { |
| providerService.updateAlarmList(deviceId, alarms); |
| triggerProbe(deviceId); |
| } |
| |
| private class InternalNotificationListener |
| extends FilteringNetconfDeviceOutputEventListener |
| implements NetconfDeviceOutputEventListener { |
| |
| InternalNotificationListener(NetconfDeviceInfo deviceInfo) { |
| super(deviceInfo); |
| } |
| |
| @Override |
| public void event(NetconfDeviceOutputEvent event) { |
| if (event.type() == NetconfDeviceOutputEvent.Type.DEVICE_NOTIFICATION) { |
| DeviceId deviceId = event.getDeviceInfo().getDeviceId(); |
| String message = event.getMessagePayload(); |
| InputStream in = new ByteArrayInputStream(message.getBytes(StandardCharsets.UTF_8)); |
| Collection<Alarm> newAlarms = translator.translateToAlarm(deviceId, in); |
| triggerProbe(deviceId, newAlarms); |
| } |
| } |
| } |
| |
| private class InnerDeviceListener implements NetconfDeviceListener { |
| |
| @Override |
| public void deviceAdded(DeviceId deviceId) { |
| NetconfDevice device = controller.getNetconfDevice(deviceId); |
| NetconfSession session = device.getSession(); |
| InternalNotificationListener listener = new InternalNotificationListener(device.getDeviceInfo()); |
| session.addDeviceOutputListener(listener); |
| idNotificationListenerMap.put(deviceId, listener); |
| } |
| |
| @Override |
| public void deviceRemoved(DeviceId deviceId) { |
| idNotificationListenerMap.remove(deviceId); |
| } |
| } |
| } |