| /* |
| * Copyright 2015 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.net.flowobjective.impl; |
| |
| 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.apache.felix.scr.annotations.Service; |
| import org.onlab.osgi.DefaultServiceDirectory; |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.mastership.MastershipEvent; |
| import org.onosproject.mastership.MastershipListener; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.behaviour.Pipeliner; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.Driver; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.flowobjective.FilteringObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.NextObjective; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.concurrent.Future; |
| |
| import static com.google.common.base.Preconditions.checkState; |
| |
| /** |
| * Created by ash on 07/04/15. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class FlowObjectiveManager implements FlowObjectiveService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverService driverService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterService clusterService; |
| |
| protected ServiceDirectory serviceDirectory = new DefaultServiceDirectory(); |
| |
| private MastershipListener mastershipListener = new InnerMastershipListener(); |
| |
| private DeviceListener deviceListener = new InnerDeviceListener(); |
| |
| private Map<DeviceId, DriverHandler> driverHandlers = |
| Maps.newConcurrentMap(); |
| |
| @Activate |
| protected void activate() { |
| mastershipService.addListener(mastershipListener); |
| deviceService.addListener(deviceListener); |
| deviceService.getDevices().forEach(device -> setupDriver(device.id())); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| mastershipService.removeListener(mastershipListener); |
| deviceService.removeListener(deviceListener); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Future<Boolean> filter(DeviceId deviceId, |
| Collection<FilteringObjective> filterObjectives) { |
| DriverHandler handler = driverHandlers.get(deviceId); |
| checkState(handler != null, "Driver not initialized"); |
| |
| Pipeliner pipe = handler.behaviour(Pipeliner.class); |
| |
| return pipe.filter(filterObjectives); |
| } |
| |
| @Override |
| public Future<Boolean> forward(DeviceId deviceId, |
| Collection<ForwardingObjective> forwardingObjectives) { |
| DriverHandler handler = driverHandlers.get(deviceId); |
| checkState(handler != null, "Driver not initialized"); |
| |
| Pipeliner pipe = handler.behaviour(Pipeliner.class); |
| |
| return pipe.forward(forwardingObjectives); |
| } |
| |
| @Override |
| public Future<Boolean> next(DeviceId deviceId, |
| Collection<NextObjective> nextObjectives) { |
| DriverHandler handler = driverHandlers.get(deviceId); |
| checkState(handler != null, "Driver not initialized"); |
| |
| Pipeliner pipe = handler.behaviour(Pipeliner.class); |
| |
| return pipe.next(nextObjectives); |
| } |
| |
| |
| |
| private class InnerMastershipListener implements MastershipListener { |
| @Override |
| public void event(MastershipEvent event) { |
| switch (event.type()) { |
| |
| case MASTER_CHANGED: |
| setupDriver(event.subject()); |
| |
| break; |
| case BACKUPS_CHANGED: |
| break; |
| default: |
| log.warn("Unknown mastership type {}", event.type()); |
| } |
| } |
| |
| |
| } |
| |
| private class InnerDeviceListener implements DeviceListener { |
| @Override |
| public void event(DeviceEvent event) { |
| switch (event.type()) { |
| case DEVICE_ADDED: |
| case DEVICE_AVAILABILITY_CHANGED: |
| setupDriver(event.subject().id()); |
| break; |
| case DEVICE_UPDATED: |
| break; |
| case DEVICE_REMOVED: |
| break; |
| case DEVICE_SUSPENDED: |
| break; |
| case PORT_ADDED: |
| break; |
| case PORT_UPDATED: |
| break; |
| case PORT_REMOVED: |
| break; |
| default: |
| log.warn("Unknown event type {}", event.type()); |
| } |
| } |
| } |
| |
| private void setupDriver(DeviceId deviceId) { |
| //TODO: Refactor this to make it nicer and use a cache. |
| if (mastershipService.getMasterFor( |
| deviceId).equals(clusterService.getLocalNode().id())) { |
| |
| DriverHandler handler = lookupDriver(deviceId); |
| if (handler != null) { |
| Pipeliner pipe = handler.behaviour(Pipeliner.class); |
| pipe.init(deviceId, serviceDirectory); |
| driverHandlers.put(deviceId, handler); |
| log.info("Driver {} bound to device {}", |
| handler.data().type().name(), deviceId); |
| } else { |
| log.error("No driver for device {}", deviceId); |
| } |
| } |
| } |
| |
| |
| private DriverHandler lookupDriver(DeviceId deviceId) { |
| Device device = deviceService.getDevice(deviceId); |
| if (device == null) { |
| log.warn("Device is null!"); |
| return null; |
| } |
| Driver driver = driverService.getDriver(device.manufacturer(), |
| device.hwVersion(), device.swVersion()); |
| |
| return driverService.createHandler(driver.name(), deviceId); |
| } |
| |
| } |