| /* |
| * 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.snmp.ctl; |
| |
| import com.btisystems.pronx.ems.core.snmp.DefaultSnmpConfigurationFactory; |
| import com.btisystems.pronx.ems.core.snmp.ISnmpConfiguration; |
| import com.btisystems.pronx.ems.core.snmp.ISnmpSession; |
| import com.btisystems.pronx.ems.core.snmp.ISnmpSessionFactory; |
| import com.btisystems.pronx.ems.core.snmp.SnmpSessionFactory; |
| import com.btisystems.pronx.ems.core.snmp.V2cSnmpConfiguration; |
| import com.google.common.base.Preconditions; |
| import org.onosproject.incubator.net.faultmanagement.alarm.Alarm; |
| import org.onosproject.incubator.net.faultmanagement.alarm.AlarmId; |
| import org.onosproject.incubator.net.faultmanagement.alarm.DefaultAlarm; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.snmp.SnmpController; |
| import org.onosproject.snmp.SnmpDevice; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * Default implementation of the SNMP sub-controller. |
| */ |
| @Component(immediate = true, service = SnmpController.class) |
| public class DefaultSnmpController implements SnmpController { |
| |
| private final Logger log = LoggerFactory |
| .getLogger(getClass()); |
| |
| protected ISnmpSessionFactory sessionFactory; |
| |
| protected final Map<DeviceId, ISnmpSession> sessionMap = new HashMap<>(); |
| protected final Map<DeviceId, SnmpDevice> snmpDeviceMap = new ConcurrentHashMap<>(); |
| |
| @Activate |
| public void activate(ComponentContext context) { |
| sessionFactory = new SnmpSessionFactory( |
| new DefaultSnmpConfigurationFactory(new V2cSnmpConfiguration())); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| sessionMap.clear(); |
| snmpDeviceMap.clear(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| @Deprecated |
| public ISnmpSession getSession(DeviceId deviceId) throws IOException { |
| if (!sessionMap.containsKey(deviceId)) { |
| SnmpDevice device = snmpDeviceMap.get(deviceId); |
| String ipAddress = null; |
| int port = -1; |
| if (device != null) { |
| ipAddress = device.getSnmpHost(); |
| port = device.getSnmpPort(); |
| } else { |
| String[] deviceComponents = deviceId.toString().split(":"); |
| if (deviceComponents.length > 1) { |
| ipAddress = deviceComponents[1]; |
| port = Integer.parseInt(deviceComponents[2]); |
| |
| } else { |
| log.error("Cannot obtain correct information from device id", deviceId); |
| } |
| } |
| Preconditions.checkNotNull(ipAddress, "ip address is empty, cannot start session"); |
| Preconditions.checkArgument(port != -1, "port is incorrect, cannot start session"); |
| |
| ISnmpConfiguration config = new V2cSnmpConfiguration(); |
| config.setPort(port); |
| sessionMap.put(deviceId, sessionFactory.createSession(config, ipAddress)); |
| } |
| return sessionMap.get(deviceId); |
| } |
| |
| @Override |
| public Collection<SnmpDevice> getDevices() { |
| return snmpDeviceMap.values(); |
| } |
| |
| @Override |
| public SnmpDevice getDevice(DeviceId did) { |
| return snmpDeviceMap.get(did); |
| } |
| |
| @Override |
| public SnmpDevice getDevice(URI uri) { |
| //this assumes that only one device is associated with one deviceId |
| return snmpDeviceMap.entrySet() |
| .stream().filter(p -> p.getValue() |
| .getSnmpHost().equals(uri.toString())) |
| .map(Map.Entry::getValue).findFirst().orElse(null); |
| } |
| |
| @Override |
| public void removeDevice(DeviceId did) { |
| snmpDeviceMap.remove(did); |
| } |
| |
| @Override |
| public void addDevice(SnmpDevice device) { |
| log.info("Adding device {}", device.deviceId()); |
| snmpDeviceMap.put(device.deviceId(), device); |
| } |
| |
| @Override |
| public DefaultAlarm buildWalkFailedAlarm(DeviceId deviceId) { |
| long timeRaised = System.currentTimeMillis(); |
| return new DefaultAlarm.Builder( |
| AlarmId.alarmId(deviceId, Long.toString(timeRaised)), |
| deviceId, "SNMP alarm retrieval failed", |
| Alarm.SeverityLevel.CRITICAL, timeRaised).build(); |
| } |
| } |