| /* |
| * Copyright 2017-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.opencord.igmpproxy.impl.state; |
| |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.Ip4Address; |
| import org.onosproject.net.DeviceId; |
| import org.opencord.igmpproxy.impl.IgmpManager; |
| import org.opencord.igmpproxy.impl.IgmpSender; |
| import org.opencord.igmpproxy.statemachine.State; |
| import org.opencord.igmpproxy.statemachine.StateMachine; |
| |
| import java.util.Random; |
| |
| /** |
| * Abstract implementation of state. |
| */ |
| public abstract class AbstractState implements State { |
| |
| protected StateMachine machine; |
| |
| protected AbstractState(StateMachine machine) { |
| this.machine = machine; |
| } |
| |
| public void join() { |
| } |
| |
| public void leave() { |
| DeviceId devId = machine.getStateMachineId().getDeviceId(); |
| Ip4Address groupIp = machine.getStateMachineId().getGroupIp(); |
| |
| Ethernet eth = IgmpManager.outgoingIgmpWithV3() ? |
| IgmpSender.getInstance().buildIgmpV3Leave(groupIp, machine.getSrcIp()) : |
| IgmpSender.getInstance().buildIgmpV2Leave(groupIp, machine.getSrcIp()); |
| IgmpSender.getInstance().sendIgmpPacketUplink(eth, devId, machine.getUpLinkPort()); |
| } |
| |
| public void query(int maxResp) { |
| } |
| |
| public void timeOut() { |
| } |
| |
| protected int getTimeOut(int maxTimeOut) { |
| Random random = new Random(); |
| return Math.abs(random.nextInt()) % maxTimeOut; |
| } |
| } |