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.genius.alivenessmonitor.protocols.internal;
10 import static java.util.Objects.requireNonNull;
11 import static org.opendaylight.genius.alivenessmonitor.protocols.AlivenessMonitorAndProtocolsConstants.SEPERATOR;
13 import com.google.common.base.Strings;
14 import com.google.common.util.concurrent.FutureCallback;
15 import com.google.common.util.concurrent.Futures;
16 import com.google.common.util.concurrent.ListenableFuture;
17 import com.google.common.util.concurrent.MoreExecutors;
18 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
20 import java.util.Optional;
21 import java.util.concurrent.ExecutionException;
22 import java.util.concurrent.Future;
23 import javax.inject.Inject;
24 import javax.inject.Singleton;
25 import org.apache.aries.blueprint.annotation.service.Reference;
26 import org.opendaylight.genius.alivenessmonitor.protocols.AlivenessProtocolHandlerRegistry;
27 import org.opendaylight.genius.alivenessmonitor.utils.AlivenessMonitorUtil;
28 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
29 import org.opendaylight.genius.mdsalutil.NWUtil;
30 import org.opendaylight.genius.mdsalutil.packet.ARP;
31 import org.opendaylight.mdsal.binding.api.DataBroker;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressBuilder;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.MonitorProtocolType;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.endpoint.EndpointType;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.endpoint.endpoint.type.Interface;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.monitor.configs.MonitoringInfo;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.OdlArputilService;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.SendArpRequestInput;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.SendArpRequestInputBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.SendArpRequestOutput;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.interfaces.InterfaceAddress;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.arputil.rev160406.interfaces.InterfaceAddressBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetInterfaceFromIfIndexInput;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetInterfaceFromIfIndexInputBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetInterfaceFromIfIndexOutput;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
49 import org.opendaylight.yangtools.yang.common.RpcResult;
50 import org.opendaylight.yangtools.yang.common.Uint64;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
55 public class AlivenessProtocolHandlerARP extends AbstractAlivenessProtocolHandler<ARP> {
57 private static final Logger LOG = LoggerFactory.getLogger(AlivenessProtocolHandlerARP.class);
59 private final OdlArputilService arpService;
60 private final OdlInterfaceRpcService interfaceManager;
63 public AlivenessProtocolHandlerARP(
64 @Reference final DataBroker dataBroker,
65 @Reference final AlivenessProtocolHandlerRegistry alivenessProtocolHandlerRegistry,
66 final OdlInterfaceRpcService interfaceManager,
67 final OdlArputilService arpService) {
68 super(dataBroker, alivenessProtocolHandlerRegistry, MonitorProtocolType.Arp);
69 this.interfaceManager = interfaceManager;
70 this.arpService = arpService;
74 public Class<ARP> getPacketClass() {
79 @SuppressFBWarnings("NP_NONNULL_RETURN_VIOLATION")
80 public String handlePacketIn(ARP packet, PacketReceived packetReceived) {
81 short tableId = packetReceived.getTableId().getValue().toJava();
82 int arpType = packet.getOpCode();
84 if (LOG.isTraceEnabled()) {
85 LOG.trace("packet: {}, tableId {}, arpType {}", packetReceived, tableId, arpType);
88 if (arpType == ARP.REPLY) {
89 if (LOG.isTraceEnabled()) {
90 LOG.trace("packet: {}", packetReceived);
93 Uint64 metadata = packetReceived.getMatch().getMetadata().getMetadata();
94 int portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
95 String interfaceName = null;
98 GetInterfaceFromIfIndexInput input = new GetInterfaceFromIfIndexInputBuilder().setIfIndex(portTag)
100 Future<RpcResult<GetInterfaceFromIfIndexOutput>> output = interfaceManager
101 .getInterfaceFromIfIndex(input);
102 RpcResult<GetInterfaceFromIfIndexOutput> result = output.get();
103 if (result.isSuccessful()) {
104 GetInterfaceFromIfIndexOutput ifIndexOutput = result.getResult();
105 interfaceName = ifIndexOutput.getInterfaceName();
107 LOG.warn("RPC call to get interface name for if index {} failed with errors {}", portTag,
111 } catch (InterruptedException | ExecutionException e) {
112 LOG.warn("Error retrieving interface Name for tag {}", portTag, e);
114 if (!Strings.isNullOrEmpty(interfaceName)) {
115 String sourceIp = NWUtil.toStringIpAddress(packet.getSenderProtocolAddress());
116 String targetIp = NWUtil.toStringIpAddress(packet.getTargetProtocolAddress());
117 return getMonitoringKey(interfaceName, targetIp, sourceIp);
119 LOG.debug("No interface associated with tag {} to interpret the received ARP Reply", portTag);
127 public void startMonitoringTask(MonitoringInfo monitorInfo) {
128 if (arpService == null) {
129 LOG.debug("ARP Service not available to send the packet");
132 EndpointType source = monitorInfo.getSource().getEndpointType();
133 final String sourceInterface = requireNonNull(AlivenessMonitorUtil.getInterfaceName(source),
134 "Source interface is required to send ARP Packet for monitoring");
136 final String srcIp = requireNonNull(AlivenessMonitorUtil.getIpAddress(source),
137 "Source Ip address is required to send ARP Packet for monitoring");
138 final Optional<PhysAddress> srcMacAddressOptional = getMacAddress(source);
139 if (srcMacAddressOptional.isPresent()) {
140 PhysAddress srcMacAddress = srcMacAddressOptional.get();
141 EndpointType target = monitorInfo.getDestination().getEndpointType();
142 final String targetIp = requireNonNull(AlivenessMonitorUtil.getIpAddress(target),
143 "Target Ip address is required to send ARP Packet for monitoring");
144 if (LOG.isTraceEnabled()) {
145 LOG.trace("sendArpRequest interface {}, senderIPAddress {}, targetAddress {}", sourceInterface, srcIp,
148 InterfaceAddressBuilder interfaceAddressBuilder = new InterfaceAddressBuilder()
149 .setInterface(sourceInterface).setIpAddress(IpAddressBuilder.getDefaultInstance(srcIp));
150 if (srcMacAddress != null) {
151 interfaceAddressBuilder.setMacaddress(srcMacAddress);
153 final InterfaceAddress interfaceAddress = interfaceAddressBuilder.build();
154 SendArpRequestInput input = new SendArpRequestInputBuilder()
155 .setInterfaceAddress(Map.of(interfaceAddress.key(), interfaceAddress))
156 .setIpaddress(IpAddressBuilder.getDefaultInstance(targetIp)).build();
157 ListenableFuture<RpcResult<SendArpRequestOutput>> future = arpService.sendArpRequest(input);
158 final String msgFormat = String.format("Send ARP Request on interface %s to destination %s",
159 sourceInterface, targetIp);
160 Futures.addCallback(future, new FutureCallback<RpcResult<SendArpRequestOutput>>() {
162 public void onFailure(Throwable error) {
163 LOG.error("Error - {}", msgFormat, error);
167 public void onSuccess(RpcResult<SendArpRequestOutput> result) {
168 if (result != null && !result.isSuccessful()) {
169 LOG.warn("Rpc call to {} failed {}", msgFormat,
170 AlivenessMonitorUtil.getErrorText(result.getErrors()));
172 LOG.debug("Successful RPC Result - {}", msgFormat);
175 }, MoreExecutors.directExecutor());
180 public String getUniqueMonitoringKey(MonitoringInfo monitorInfo) {
181 String interfaceName = AlivenessMonitorUtil.getInterfaceName(monitorInfo.getSource().getEndpointType());
182 String sourceIp = AlivenessMonitorUtil.getIpAddress(monitorInfo.getSource().getEndpointType());
183 String targetIp = AlivenessMonitorUtil.getIpAddress(monitorInfo.getDestination().getEndpointType());
184 return getMonitoringKey(interfaceName, sourceIp, targetIp);
187 private String getMonitoringKey(String interfaceName, String sourceIp, String targetIp) {
188 return interfaceName + SEPERATOR + sourceIp + SEPERATOR + targetIp + SEPERATOR + MonitorProtocolType.Arp;
191 private Optional<PhysAddress> getMacAddress(EndpointType source) {
192 Optional<PhysAddress> result = Optional.empty();
193 if (source instanceof Interface) {
194 result = Optional.of(((Interface) source).getMacAddress());