| /* |
| * Copyright 2016 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.openstackrouting; |
| |
| 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.packet.Ethernet; |
| import org.onlab.packet.IPv4; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.packet.InboundPacket; |
| import org.onosproject.net.packet.PacketContext; |
| import org.onosproject.net.packet.PacketProcessor; |
| import org.onosproject.net.packet.PacketService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| |
| @Service |
| @Component(immediate = true) |
| /** |
| * Populates flow rules about L3 functionality for VMs in Openstack. |
| */ |
| public class OpenstackRoutingManager implements OpenstackRoutingService { |
| private static Logger log = LoggerFactory |
| .getLogger(OpenstackRoutingManager.class); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PacketService packetService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverService driverService; |
| |
| private ApplicationId appId; |
| private OpenstackIcmpHandler icmpHandler; |
| private OpenstackPnatHandler natHandler; |
| private OpenstackFloatingIPHandler floatingIPHandler; |
| private OpenstackRoutingRulePopulator openstackRoutingRulePopulator; |
| |
| private InternalPacketProcessor internalPacketProcessor = new InternalPacketProcessor(); |
| private ExecutorService l3EventExcutorService = |
| Executors.newSingleThreadExecutor(groupedThreads("onos/openstackrouting", "L3-event")); |
| private ExecutorService icmpEventExcutorService = |
| Executors.newSingleThreadExecutor(groupedThreads("onos/openstackrouting", "icmp-event")); |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication("org.onosproject.openstackrouting"); |
| packetService.addProcessor(internalPacketProcessor, PacketProcessor.director(1)); |
| |
| log.info("onos-openstackrouting started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| packetService.removeProcessor(internalPacketProcessor); |
| log.info("onos-openstackrouting stopped"); |
| } |
| |
| |
| @Override |
| public void createFloatingIP(OpenstackFloatingIP openstackFloatingIP) { |
| |
| } |
| |
| @Override |
| public void updateFloatingIP(OpenstackFloatingIP openstackFloatingIP) { |
| |
| } |
| |
| @Override |
| public void deleteFloatingIP(String id) { |
| |
| } |
| |
| @Override |
| public void createRouter(OpenstackRouter openstackRouter) { |
| |
| } |
| |
| @Override |
| public void updateRouter(OpenstackRouter openstackRouter) { |
| |
| } |
| |
| @Override |
| public void deleteRouter(String id) { |
| |
| } |
| |
| @Override |
| public void createRouterInterface(OpenstackRouterInterface openstackRouterInterface) { |
| |
| } |
| |
| @Override |
| public void updateRouterInterface(OpenstackRouterInterface openstackRouterInterface) { |
| |
| } |
| |
| @Override |
| public void deleteRouterInterface(String id) { |
| |
| } |
| |
| private class InternalPacketProcessor implements PacketProcessor { |
| |
| @Override |
| public void process(PacketContext context) { |
| |
| if (context.isHandled()) { |
| return; |
| } |
| |
| InboundPacket pkt = context.inPacket(); |
| Ethernet ethernet = pkt.parsed(); |
| |
| if (ethernet != null && ethernet.getEtherType() == Ethernet.TYPE_IPV4) { |
| IPv4 iPacket = (IPv4) ethernet.getPayload(); |
| switch (iPacket.getProtocol()) { |
| case IPv4.PROTOCOL_ICMP: |
| icmpEventExcutorService.execute(new OpenstackIcmpHandler(context)); |
| break; |
| default: |
| l3EventExcutorService.execute(new OpenstackPnatHandler(context)); |
| break; |
| } |
| |
| } |
| |
| |
| } |
| } |
| |
| } |