2 * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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.iplearn.ipv4;
10 import java.math.BigInteger;
11 import javax.inject.Inject;
12 import javax.inject.Singleton;
13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
14 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
15 import org.opendaylight.netvirt.neutronvpn.interfaces.INeutronVpnManager;
16 import org.opendaylight.netvirt.vpnmanager.VpnUtil;
17 import org.opendaylight.netvirt.vpnmanager.iplearn.AbstractIpLearnNotificationHandler;
18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.ArpRequestReceived;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.ArpResponseReceived;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.MacChanged;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.OdlArputilListener;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.config.rev161130.VpnConfig;
26 import org.slf4j.Logger;
27 import org.slf4j.LoggerFactory;
30 public class ArpNotificationHandler extends AbstractIpLearnNotificationHandler implements OdlArputilListener {
32 private static final Logger LOG = LoggerFactory.getLogger(ArpNotificationHandler.class);
35 public ArpNotificationHandler(DataBroker dataBroker, IdManagerService idManager,
36 IInterfaceManager interfaceManager, VpnConfig vpnConfig,
37 VpnUtil vpnUtil, INeutronVpnManager neutronVpnManager) {
38 super(dataBroker, idManager, interfaceManager, vpnConfig, vpnUtil, neutronVpnManager);
42 public void onMacChanged(MacChanged notification) {
47 public void onArpRequestReceived(ArpRequestReceived notification) {
48 String srcInterface = notification.getInterface();
49 IpAddress srcIP = notification.getSrcIpaddress();
50 MacAddress srcMac = MacAddress.getDefaultInstance(notification.getSrcMac().getValue());
51 IpAddress targetIP = notification.getDstIpaddress();
52 BigInteger metadata = notification.getMetadata();
53 boolean isGarp = srcIP.equals(targetIP);
56 "ArpNotification Non-Gratuitous Request Received from "
57 + "interface {} and IP {} having MAC {} target destination {}, ignoring..",
58 srcInterface, srcIP.stringValue(), srcMac.getValue(), targetIP.stringValue());
62 "ArpNotification Gratuitous Request Received from interface {} and IP {} having MAC {} "
63 + "target destination {}, learning MAC",
64 srcInterface, srcIP.stringValue(), srcMac.getValue(), targetIP.stringValue());
66 processIpLearning(srcInterface, srcIP, srcMac, metadata, targetIP, null);
70 public void onArpResponseReceived(ArpResponseReceived notification) {
71 String srcInterface = notification.getInterface();
72 IpAddress srcIP = notification.getSrcIpaddress();
73 MacAddress srcMac = MacAddress.getDefaultInstance(notification.getSrcMac().getValue());
74 BigInteger metadata = notification.getMetadata();
75 IpAddress targetIP = notification.getDstIpaddress();
76 LOG.info("ArpNotification Response Received from interface {} and IP {} having MAC {}, learning MAC",
77 srcInterface, srcIP.stringValue(), srcMac.getValue());
79 validateAndProcessIpLearning(srcInterface, srcIP, srcMac, targetIP, metadata);