2 * Copyright (c) 2016 Hewlett Packard Enterprise, Co. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netvirt.vpnmanager;
10 import com.google.common.net.InetAddresses;
11 import java.math.BigInteger;
12 import java.util.ArrayList;
13 import java.util.Collection;
14 import java.util.List;
15 import java.util.concurrent.ExecutionException;
16 import java.util.concurrent.Future;
17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
20 import org.opendaylight.genius.mdsalutil.ActionInfo;
21 import org.opendaylight.genius.mdsalutil.ActionType;
22 import org.opendaylight.genius.mdsalutil.MDSALUtil;
23 import org.opendaylight.netvirt.elanmanager.api.IElanService;
24 import org.opendaylight.netvirt.vpnmanager.utilities.VpnManagerCounters;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressBuilder;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetPortFromInterfaceInput;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetPortFromInterfaceInputBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetPortFromInterfaceOutput;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.*;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.FloatingIpInfo;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.RouterPorts;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.router.ports.Ports;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.router.ports.ports.IpMapping;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInput;
42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
43 import org.opendaylight.yangtools.yang.common.RpcResult;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
47 public class FloatingIpGarpHandler extends AsyncDataTreeChangeListenerBase<RouterPorts, FloatingIpGarpHandler>
48 implements AutoCloseable {
49 private static final Logger LOG = LoggerFactory.getLogger(FloatingIpGarpHandler.class);
50 private final DataBroker dataBroker;
51 private final PacketProcessingService packetService;
52 private final IElanService elanService;
53 private final OdlInterfaceRpcService intfRpc;
55 public FloatingIpGarpHandler(final DataBroker dataBroker, final PacketProcessingService packetService,
56 final IElanService elanService, final OdlInterfaceRpcService interfaceManager) {
57 super(RouterPorts.class, FloatingIpGarpHandler.class);
58 this.dataBroker = dataBroker;
59 this.packetService = packetService;
60 this.elanService = elanService;
61 this.intfRpc = interfaceManager;
65 LOG.info("{} start", getClass().getSimpleName());
66 registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
70 protected InstanceIdentifier<RouterPorts> getWildCardPath() {
71 return InstanceIdentifier.create(FloatingIpInfo.class).child(RouterPorts.class);
75 protected void remove(InstanceIdentifier<RouterPorts> key, RouterPorts dataObjectModification) {
79 protected void update(InstanceIdentifier<RouterPorts> key, RouterPorts dataObjectModificationBefore,
80 RouterPorts dataObjectModificationAfter) {
81 VpnManagerCounters.garp_update_notification.inc();
82 sendGarpForFloatingIps(dataObjectModificationAfter);
85 private void sendGarpForFloatingIps(RouterPorts dataObjectModificationAfter) {
86 for (Ports port : dataObjectModificationAfter.getPorts()) {
87 for (IpMapping ipMapping : port.getIpMapping()) {
88 IpAddress ip = IpAddressBuilder.getDefaultInstance(ipMapping.getExternalIp());
89 sendGarpForIp(dataObjectModificationAfter, ip);
94 private void sendGarpForIp(RouterPorts dataObjectModificationAfter, IpAddress ip) {
95 if (ip.getIpv4Address() == null) {
96 LOG.warn("Faild to send GARP for IP. recieved IPv6.");
97 VpnManagerCounters.garp_sent_ipv6.inc();
100 Port floatingIpPort = VpnUtil.getNeutronPortForFloatingIp(dataBroker, ip);
101 MacAddress floatingIpMac = floatingIpPort.getMacAddress();
102 String extNet = VpnUtil.getAssociatedExternalNetwork(dataBroker, dataObjectModificationAfter.getRouterId());
103 Collection<String> interfaces = elanService.getExternalElanInterfaces(extNet);
104 for (String externalInterface:interfaces) {
105 sendGarpOnInterface(ip, floatingIpMac, externalInterface);
109 private void sendGarpOnInterface(IpAddress ip, MacAddress floatingIpMac, String externalInterface) {
111 GetPortFromInterfaceInput getPortFromInterfaceInput = new GetPortFromInterfaceInputBuilder()
112 .setIntfName(externalInterface).build();
113 Future<RpcResult<GetPortFromInterfaceOutput>> interfacePort = intfRpc
114 .getPortFromInterface(getPortFromInterfaceInput);
115 if (interfacePort == null || !interfacePort.get().isSuccessful()) {
116 VpnManagerCounters.garp_interface_rpc_failed.inc();
119 BigInteger dpId = interfacePort.get().getResult().getDpid();
120 String portId = interfacePort.get().getResult().getPortno().toString();
121 NodeConnectorRef ingress = MDSALUtil.getNodeConnRef(dpId, portId);
122 byte[] ipBytes = InetAddresses.forString(ip.getIpv4Address().getValue()).getAddress();
123 List<ActionInfo> actionList = new ArrayList<ActionInfo>();
124 actionList.add(new ActionInfo(ActionType.output, new String[]{portId}));
126 byte[] floatingMac = ArpUtils.getMacInBytes(floatingIpMac.getValue());
127 TransmitPacketInput arpRequestInput = ArpUtils.createArpRequestInput(dpId, null,
128 floatingMac, VpnConstants.MAC_Broadcast, ipBytes, ipBytes, ingress, actionList);
129 packetService.transmitPacket(arpRequestInput);
130 VpnManagerCounters.garp_sent.inc();
131 } catch (InterruptedException|ExecutionException e) {
132 LOG.warn("Faild to send GARP. rpc call getPortFromInterface did not return with a value.");
133 VpnManagerCounters.garp_sent_failed.inc();
138 protected void add(InstanceIdentifier<RouterPorts> key, RouterPorts dataObjectModification) {
139 sendGarpForFloatingIps(dataObjectModification);
143 protected FloatingIpGarpHandler getDataTreeChangeListener() {