| /* |
| * 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.onosproject.incubator.net.virtual.NetworkId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.flow.FlowRuleEvent; |
| import org.onosproject.net.flow.FlowRuleListener; |
| import org.onosproject.net.packet.PacketContext; |
| import org.onosproject.net.packet.PacketProcessor; |
| import org.onosproject.ofagent.api.OFAgent; |
| import org.onosproject.ofagent.api.OFController; |
| import org.onosproject.ofagent.api.OFSwitch; |
| |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ExecutorService; |
| |
| /** |
| * Implementation of OF agent. |
| */ |
| public final class DefaultOFAgent implements OFAgent { |
| |
| private final NetworkId networkId; |
| private final Map<Class<?>, Object> services; |
| private final Set<OFController> controllers; |
| private final ExecutorService eventExecutor; |
| private final NioEventLoopGroup ioWorker; |
| |
| private final ConcurrentHashMap<DeviceId, OFSwitch> switchMap = new ConcurrentHashMap<>(); |
| private final DeviceListener deviceListener = new InternalDeviceListener(); |
| private final FlowRuleListener flowRuleListener = new InternalFlowRuleListener(); |
| private final InternalPacketProcessor packetProcessor = new InternalPacketProcessor(); |
| |
| private DefaultOFAgent(NetworkId networkId, |
| Map<Class<?>, Object> services, |
| Set<OFController> controllers, |
| ExecutorService eventExecutor, |
| NioEventLoopGroup ioWorker) { |
| this.networkId = networkId; |
| this.services = services; |
| this.controllers = controllers; |
| this.eventExecutor = eventExecutor; |
| this.ioWorker = ioWorker; |
| } |
| |
| @Override |
| public NetworkId networkId() { |
| return null; |
| } |
| |
| @Override |
| public Set<OFController> controllers() { |
| return null; |
| } |
| |
| @Override |
| public void start() { |
| // TODO add listeners to the services |
| // TODO connect all virtual devices in this network to the controllers |
| } |
| |
| @Override |
| public void stop() { |
| // TODO remove listeners from the services |
| // TODO disconnect all active connections |
| } |
| |
| private void connect(OFSwitch ofSwitch, OFController controller) { |
| // TODO connect the switch to the controller |
| } |
| |
| private void disconnect(OFSwitch ofSwitch, OFController controller) { |
| // TODO disconnect the controller from the ofSwitch |
| } |
| |
| private class InternalFlowRuleListener implements FlowRuleListener { |
| |
| @Override |
| public void event(FlowRuleEvent event) { |
| // TODO handle flow rule event |
| } |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| |
| @Override |
| public void event(DeviceEvent event) { |
| // TODO handle device event |
| // device detected: connect the device to controllers |
| // device removed: disconnect and remove the switch from the map |
| // device state available: connect the switch to the controllers |
| // device state unavailable: disconnect the switch from the controllers |
| // port added: send out features reply |
| // port status change |
| } |
| } |
| |
| private class InternalPacketProcessor implements PacketProcessor { |
| |
| @Override |
| public void process(PacketContext context) { |
| // TODO handle packet-in |
| } |
| } |
| |
| // TODO implement builder |
| } |