| /* |
| * Copyright 2017-present 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.ofagent.impl; |
| |
| import io.netty.channel.nio.NioEventLoopGroup; |
| 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.Service; |
| import org.onosproject.incubator.net.virtual.NetworkId; |
| import org.onosproject.incubator.net.virtual.VirtualNetworkEvent; |
| import org.onosproject.incubator.net.virtual.VirtualNetworkListener; |
| import org.onosproject.ofagent.api.OFAgent; |
| import org.onosproject.ofagent.api.OFAgentService; |
| import org.onosproject.ofagent.api.OFController; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ExecutorService; |
| |
| import static org.onlab.util.BoundedThreadPool.newFixedThreadPool; |
| import static org.onlab.util.Tools.groupedThreads; |
| |
| /** |
| * Implementation of OpenFlow agent service. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class OFAgentManager implements OFAgentService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| // TODO make it to be configurable with component config |
| private static final int NUM_OF_THREADS = 1; |
| private final ExecutorService eventExecutor = newFixedThreadPool( |
| NUM_OF_THREADS, |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| |
| // TODO change it to ConsistentMap and support multi-instance mode |
| private ConcurrentHashMap<NetworkId, OFAgent> agentMap = new ConcurrentHashMap<>(); |
| private NioEventLoopGroup ioWorker; |
| |
| @Activate |
| protected void activate() { |
| // TODO listen to the virtual network event |
| ioWorker = new NioEventLoopGroup(); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| ioWorker.shutdownGracefully(); |
| eventExecutor.shutdown(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Set<OFAgent> agents() { |
| // TODO return existing agents |
| return null; |
| } |
| |
| @Override |
| public void createAgent(NetworkId networkId, OFController... controllers) { |
| // TODO create OFAgent instance with the given network ID, controllers |
| // TODO and device, flowRule, link, and packet service for the virtual network |
| // TODO start the OFAgent only if the virtual network state is active |
| } |
| |
| @Override |
| public void removeAgent(NetworkId networkId) { |
| // TODO stop and remove the OFAgent for the network |
| } |
| |
| @Override |
| public void startAgent(NetworkId networkId) { |
| // TODO starts the agent for the network |
| } |
| |
| @Override |
| public void stopAgent(NetworkId networkId) { |
| // TODO stops the agent for the network |
| } |
| |
| @Override |
| public boolean isActive(NetworkId networkId) { |
| // TODO manage the OF agent status |
| return false; |
| } |
| |
| private class InternalVirtualNetworkListener implements VirtualNetworkListener { |
| |
| @Override |
| public void event(VirtualNetworkEvent event) { |
| // TODO handle virtual network start and stop |
| } |
| } |
| } |