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.vpnmanager.VpnUtil;
16 import org.opendaylight.netvirt.vpnmanager.iplearn.AbstractIpLearnNotificationHandler;
17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.ArpRequestReceived;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.ArpResponseReceived;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.MacChanged;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.OdlArputilListener;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.config.rev161130.VpnConfig;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
29 public class ArpNotificationHandler extends AbstractIpLearnNotificationHandler implements OdlArputilListener {
31 private static final Logger LOG = LoggerFactory.getLogger(ArpNotificationHandler.class);
34 public ArpNotificationHandler(DataBroker dataBroker, IdManagerService idManager,
35 IInterfaceManager interfaceManager, VpnConfig vpnConfig, VpnUtil vpnUtil) {
36 super(dataBroker, idManager, interfaceManager, vpnConfig, vpnUtil);
40 public void onMacChanged(MacChanged notification) {
45 public void onArpRequestReceived(ArpRequestReceived notification) {
46 String srcInterface = notification.getInterface();
47 IpAddress srcIP = notification.getSrcIpaddress();
48 MacAddress srcMac = MacAddress.getDefaultInstance(notification.getSrcMac().getValue());
49 IpAddress targetIP = notification.getDstIpaddress();
50 BigInteger metadata = notification.getMetadata();
51 boolean isGarp = srcIP.equals(targetIP);
54 "ArpNotification Non-Gratuitous Request Received from "
55 + "interface {} and IP {} having MAC {} target destination {}, ignoring..",
56 srcInterface, String.valueOf(srcIP.getValue()), srcMac.getValue(),
57 String.valueOf(targetIP.getValue()));
61 "ArpNotification Gratuitous Request Received from interface {} and IP {} having MAC {} "
62 + "target destination {}, learning MAC",
63 srcInterface, String.valueOf(srcIP.getValue()), srcMac.getValue(), String.valueOf(targetIP.getValue()));
65 processIpLearning(srcInterface, srcIP, srcMac, metadata, targetIP);
69 public void onArpResponseReceived(ArpResponseReceived notification) {
70 String srcInterface = notification.getInterface();
71 IpAddress srcIP = notification.getSrcIpaddress();
72 MacAddress srcMac = MacAddress.getDefaultInstance(notification.getSrcMac().getValue());
73 BigInteger metadata = notification.getMetadata();
74 IpAddress targetIP = notification.getDstIpaddress();
75 LOG.info("ArpNotification Response Received from interface {} and IP {} having MAC {}, learning MAC",
76 srcInterface, String.valueOf(srcIP.getValue()), srcMac.getValue());
78 validateAndProcessIpLearning(srcInterface, srcIP, srcMac, targetIP, metadata);