2 * Copyright (c) 2015 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
9 package org.opendaylight.vpnservice.arputil.internal;
11 import static com.google.common.base.Preconditions.checkArgument;
12 import static com.google.common.base.Preconditions.checkNotNull;
14 import java.math.BigInteger;
15 import java.net.InetAddress;
16 import java.net.UnknownHostException;
17 import java.util.List;
18 import java.util.concurrent.ConcurrentHashMap;
19 import java.util.concurrent.ConcurrentMap;
20 import java.util.concurrent.ExecutionException;
21 import java.util.concurrent.ExecutorService;
22 import java.util.concurrent.Executors;
23 import java.util.concurrent.Future;
24 import org.opendaylight.controller.liblldp.NetUtils;
25 import org.opendaylight.controller.liblldp.Packet;
26 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
27 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
28 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
29 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
31 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
32 import org.opendaylight.vpnservice.interfacemgr.interfaces.IInterfaceManager;
33 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
34 import org.opendaylight.vpnservice.mdsalutil.MetaDataUtil;
35 import org.opendaylight.vpnservice.mdsalutil.NWUtil;
36 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
37 import org.opendaylight.vpnservice.mdsalutil.packet.ARP;
38 import org.opendaylight.vpnservice.mdsalutil.packet.Ethernet;
39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketInReason;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingListener;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.SendToController;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInputBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.ArpRequestReceived;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.ArpRequestReceivedBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.ArpResponseReceivedBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.GetMacInput;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.GetMacOutput;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.GetMacOutputBuilder;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.MacChangedBuilder;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.OdlArputilService;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.SendArpRequestInput;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.SendArpRequestInputBuilder;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.SendArpResponseInput;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.arputil.rev151126.interfaces.InterfaceAddress;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.BaseIds;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetInterfaceFromIfIndexInput;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetInterfaceFromIfIndexInputBuilder;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetInterfaceFromIfIndexOutput;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetPortFromInterfaceInput;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetPortFromInterfaceInputBuilder;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetPortFromInterfaceOutput;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.OdlInterfaceRpcService;
82 import org.opendaylight.yangtools.concepts.ListenerRegistration;
83 import org.opendaylight.yangtools.yang.binding.DataObject;
84 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
85 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
86 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
87 import org.opendaylight.yangtools.yang.common.RpcResult;
88 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
89 import org.slf4j.Logger;
90 import org.slf4j.LoggerFactory;
92 import com.google.common.base.Optional;
93 import com.google.common.util.concurrent.FutureCallback;
94 import com.google.common.util.concurrent.Futures;
95 import com.google.common.util.concurrent.JdkFutureAdapters;
96 import com.google.common.util.concurrent.SettableFuture;
98 public class ArpUtilImpl implements OdlArputilService,
99 PacketProcessingListener, AutoCloseable {
101 private static final String FAILED_TO_GET_SRC_IP_FOR_INTERFACE = "Failed to get src ip for %s";
103 private static final String FAILED_TO_GET_SRC_MAC_FOR_INTERFACE = "Failed to get src mac for interface %s iid %s ";
105 private static final String FAILED_TO_SEND_ARP_REQ_FOR_INTERFACE = "failed to send arp req for interface ";
107 private static final String UNKNOWN_IP_ADDRESS_SUPPLIED = "unknown ip address supplied";
109 private static final String NODE_CONNECTOR_NOT_FOUND_ERROR = "Node connector id not found for interface %s";
111 private static final String DPN_NOT_FOUND_ERROR = "dpn not found for interface %s ";
113 private static final short ARP_REQUEST_OP = (short) 1;
115 private static final short ARP_RESPONSE_OP = (short) 2;
117 private static final short ETH_TYPE_ARP = 0x0806;
119 private static final Logger LOGGER = LoggerFactory
120 .getLogger(ArpUtilImpl.class);
122 static OdlInterfaceRpcService intfRpc;
124 ExecutorService threadPool = Executors.newFixedThreadPool(1);
126 DataBroker dataBroker;
127 PacketProcessingService packetProcessingService;
128 NotificationPublishService notificationPublishService;
129 NotificationService notificationService;
130 IMdsalApiManager mdsalMgr;
132 RpcProviderRegistry rpc;
133 ListenerRegistration<ArpUtilImpl> listenerRegistration;
135 ConcurrentMap<String, String> macsDB = new ConcurrentHashMap<>();
136 ConcurrentMap<String, SettableFuture<RpcResult<GetMacOutput>>> getMacFutures = new ConcurrentHashMap<>();
138 public ArpUtilImpl(DataBroker db,
139 PacketProcessingService packetProcessingService,
140 NotificationPublishService notificationPublishService,
141 NotificationService notificationService,
142 IMdsalApiManager mdsalApiManager,
143 RpcProviderRegistry rpc) {
145 this.dataBroker = db;
146 this.packetProcessingService = packetProcessingService;
147 this.notificationPublishService = notificationPublishService;
148 this.mdsalMgr = mdsalApiManager;
149 this.notificationService = notificationService;
151 listenerRegistration = notificationService
152 .registerNotificationListener(this);
153 LOGGER.info("ArpUtil Manager Initialized ");
156 OdlInterfaceRpcService getInterfaceRpcService() {
157 if (intfRpc == null ) {
158 intfRpc = rpc.getRpcService(OdlInterfaceRpcService.class);
164 public void close() throws Exception {
165 listenerRegistration.close();
166 LOGGER.trace("ArpUtil manager Closed");
169 String getIpAddressInString(IpAddress ipAddress)
170 throws UnknownHostException {
171 return InetAddress.getByName(ipAddress.getIpv4Address().getValue())
175 public Future<RpcResult<GetMacOutput>> getMac(GetMacInput input) {
178 final String dstIpAddress = getIpAddressInString(input
180 if (LOGGER.isTraceEnabled()) {
181 LOGGER.trace("getMac rpc invoked for ip " + dstIpAddress);
183 if (getMacFutures.get(dstIpAddress) != null) {
184 if (LOGGER.isInfoEnabled()) {
185 LOGGER.info("get mac already in progress for the ip "
188 return getMacFutures.get(dstIpAddress);
190 SendArpRequestInputBuilder builder = new SendArpRequestInputBuilder()
191 .setInterfaceAddress(input.getInterfaceAddress())
192 .setIpaddress(input.getIpaddress());
193 Future<RpcResult<Void>> arpReqFt = sendArpRequest(builder.build());
194 final SettableFuture<RpcResult<GetMacOutput>> ft = SettableFuture
198 JdkFutureAdapters.listenInPoolThread(arpReqFt, threadPool),
199 new FutureCallback<RpcResult<Void>>() {
201 public void onFailure(Throwable e) {
202 RpcResultBuilder<GetMacOutput> resultBuilder = RpcResultBuilder
203 .<GetMacOutput> failed().withError(
204 ErrorType.APPLICATION,
206 ft.set(resultBuilder.build());
210 public void onSuccess(RpcResult<Void> result) {
211 LOGGER.trace("Successfully sent the arp pkt out for ip "
216 getMacFutures.put(dstIpAddress, ft);
218 } catch (Exception e) {
219 LOGGER.trace("failed to handle getMac request for {} {}",
220 input.getIpaddress(), e);
221 RpcResultBuilder<GetMacOutput> resultBuilder = RpcResultBuilder
222 .<GetMacOutput> failed().withError(ErrorType.APPLICATION,
224 return Futures.immediateFuture(resultBuilder.build());
228 byte[] getIpAddressBytes(IpAddress ip) throws UnknownHostException {
229 return InetAddress.getByName(ip.getIpv4Address().getValue())
234 public Future<RpcResult<Void>> sendArpRequest(
235 SendArpRequestInput arpReqInput) {
236 if (LOGGER.isTraceEnabled()) {
237 LOGGER.trace("rpc sendArpRequest invoked for ip "
238 + arpReqInput.getIpaddress());
243 String interfaceName = null;
245 byte[] dstIpBytes = null;
247 RpcResultBuilder<Void> failureBuilder = RpcResultBuilder
249 RpcResultBuilder<Void> successBuilder = RpcResultBuilder
253 dstIpBytes = getIpAddressBytes(arpReqInput.getIpaddress());
254 } catch (Exception e) {
255 failureBuilder.withError(ErrorType.APPLICATION,
256 UNKNOWN_IP_ADDRESS_SUPPLIED);
257 return Futures.immediateFuture(failureBuilder.build());
260 int localErrorCount = 0;
261 for (InterfaceAddress interfaceAddress : arpReqInput
262 .getInterfaceAddress()) {
264 interfaceName = interfaceAddress.getInterface();
265 srcIpBytes = getIpAddressBytes(interfaceAddress.getIpAddress());
267 NodeConnectorId id = getNodeConnectorFromInterfaceName(interfaceName);
269 GetPortFromInterfaceOutput portResult = getPortFromInterface(interfaceName);
270 dpnId = portResult.getDpid();
271 Long portid = portResult.getPortno();
272 checkArgument(null != dpnId && BigInteger.ZERO != dpnId,
273 DPN_NOT_FOUND_ERROR, interfaceName);
275 NodeConnectorRef ref = MDSALUtil.getNodeConnRef(dpnId,
277 checkNotNull(ref, NODE_CONNECTOR_NOT_FOUND_ERROR, interfaceName);
279 if (LOGGER.isTraceEnabled()) {
281 "sendArpRequest received dpnId {} out interface {}",
282 dpnId, interfaceName);
284 byte srcMac[] = MDSALUtil.getMacAddressForNodeConnector(
286 (InstanceIdentifier<NodeConnector>) ref.getValue());
287 checkNotNull(srcMac, FAILED_TO_GET_SRC_MAC_FOR_INTERFACE,
288 interfaceName, ref.getValue());
289 checkNotNull(srcIpBytes, FAILED_TO_GET_SRC_IP_FOR_INTERFACE,
292 payload = ArpPacketUtil.getPayload(ARP_REQUEST_OP, srcMac,
293 srcIpBytes, ArpPacketUtil.EthernetDestination_Broadcast,
296 sendPacketOut(dpnId, payload, ref);
298 if (LOGGER.isTraceEnabled()) {
299 LOGGER.trace("sent arp request for "
300 + arpReqInput.getIpaddress());
302 } catch (Throwable e) {
303 LOGGER.trace("failed to send arp req for {} on interface {}",
304 arpReqInput.getIpaddress(), interfaceName);
307 .withError(ErrorType.APPLICATION,
308 FAILED_TO_SEND_ARP_REQ_FOR_INTERFACE
311 .withError(ErrorType.APPLICATION,
312 FAILED_TO_SEND_ARP_REQ_FOR_INTERFACE
317 if (localErrorCount == arpReqInput.getInterfaceAddress().size()) {
318 // All the requests failed
319 return Futures.immediateFuture(failureBuilder.build());
321 return Futures.immediateFuture(successBuilder.build());
324 public Future<RpcResult<Void>> sendPacketOut(BigInteger dpnId,
325 byte[] payload, NodeConnectorRef ref) {
327 NodeConnectorRef nodeConnectorRef = MDSALUtil.getNodeConnRef(dpnId,
329 return packetProcessingService
330 .transmitPacket(new TransmitPacketInputBuilder()
333 new NodeRef(InstanceIdentifier
334 .builder(Nodes.class)
336 new NodeKey(new NodeId(
337 "openflow:" + dpnId)))
339 .setIngress(nodeConnectorRef).setEgress(ref).build());
343 public Future<RpcResult<Void>> sendArpResponse(SendArpResponseInput input) {
344 if (LOGGER.isTraceEnabled()) {
345 LOGGER.trace("sendArpResponse rpc invoked");
352 String interfaceName = input.getInterface();
353 GetPortFromInterfaceOutput portResult = getPortFromInterface(interfaceName);
354 dpnId = portResult.getDpid();
355 Long portid = portResult.getPortno();
356 NodeConnectorRef ref = MDSALUtil.getNodeConnRef(dpnId,
358 checkArgument(null != dpnId && BigInteger.ZERO != dpnId,
359 DPN_NOT_FOUND_ERROR, interfaceName);
360 checkNotNull(ref, NODE_CONNECTOR_NOT_FOUND_ERROR, interfaceName);
362 if (LOGGER.isTraceEnabled()) {
364 "sendArpRequest received dpnId {} out interface {}",
365 dpnId, interfaceName);
368 byte[] srcIpBytes = getIpAddressBytes(input.getSrcIpAddress());
369 byte[] dstIpBytes = getIpAddressBytes(input.getIpaddress());
370 byte srcMac[] = MDSALUtil.getMacAddressForNodeConnector(dataBroker,
371 (InstanceIdentifier<NodeConnector>) ref.getValue());
372 byte[] dstMac = NWUtil.parseMacAddress(input.getMacaddress()
374 checkNotNull(srcIpBytes, FAILED_TO_GET_SRC_IP_FOR_INTERFACE,
376 payload = ArpPacketUtil.getPayload(ARP_RESPONSE_OP, srcMac, srcIpBytes,
379 sendPacketOut(dpnId, payload, ref);
380 if (LOGGER.isTraceEnabled()) {
381 LOGGER.trace("sent the arp response for "
382 + input.getSrcIpAddress());
384 } catch (Throwable e) {
385 LOGGER.trace("failed to send arp response for {} {}",
386 input.getSrcIpAddress(), e);
387 return RpcResultBuilder.<Void> failed()
388 .withError(ErrorType.APPLICATION, e.getMessage(), e)
391 RpcResultBuilder<Void> rpcResultBuilder = RpcResultBuilder.success();
392 return Futures.immediateFuture(rpcResultBuilder.build());
396 public void onPacketReceived(PacketReceived packetReceived) {
397 Class<? extends PacketInReason> pktInReason = packetReceived
398 .getPacketInReason();
399 if (LOGGER.isTraceEnabled()) {
400 LOGGER.trace("Packet Received {}", packetReceived);
403 if (pktInReason == SendToController.class) {
406 int tableId = packetReceived.getTableId().getValue();
408 byte[] data = packetReceived.getPayload();
409 Ethernet ethernet = new Ethernet();
411 ethernet.deserialize(data, 0, data.length
412 * NetUtils.NumBitsInAByte);
413 if (ethernet.getEtherType() != ETH_TYPE_ARP) {
417 Packet pkt = ethernet.getPayload();
419 InetAddress srcInetAddr = InetAddress.getByAddress(arp
420 .getSenderProtocolAddress());
421 InetAddress dstInetAddr = InetAddress.getByAddress(arp
422 .getTargetProtocolAddress());
423 byte[] srcMac = ethernet.getSourceMACAddress();
425 NodeConnectorRef ref = packetReceived.getIngress();
427 Metadata metadata = packetReceived.getMatch().getMetadata();
428 String interfaceName = getInterfaceName(ref,metadata, dataBroker);
430 checkAndFireMacChangedNotification(interfaceName, srcInetAddr,
433 macsDB.put(interfaceName + "-" + srcInetAddr.getHostAddress(),
434 NWUtil.toStringMacAddress(srcMac));
436 if (arp.getOpCode() == ARP_REQUEST_OP) {
437 fireArpReqRecvdNotification(interfaceName, srcInetAddr,
438 srcMac, dstInetAddr, tableId);
440 fireArpRespRecvdNotification(interfaceName, srcInetAddr,
443 if (getMacFutures.get(srcInetAddr.getHostAddress()) != null) {
444 threadPool.submit(new MacResponderTask(arp));
447 } catch (Throwable e) {
448 LOGGER.trace("Failed to decode packet: {}", e);
453 GetPortFromInterfaceOutput getPortFromInterface(String interfaceName) throws Throwable {
454 GetPortFromInterfaceInputBuilder getPortFromInterfaceInputBuilder = new GetPortFromInterfaceInputBuilder();
455 getPortFromInterfaceInputBuilder.setIntfName(interfaceName);;
456 Future<RpcResult<GetPortFromInterfaceOutput>> portFromInterface = intfRpc.getPortFromInterface(getPortFromInterfaceInputBuilder.build());
457 GetPortFromInterfaceOutput result = portFromInterface.get().getResult();
458 LOGGER.trace("getPortFromInterface rpc result is {} ", result);
459 if (result != null) {
460 LOGGER.trace("getPortFromInterface rpc result is {} {} ", result.getDpid(), result.getPortno());
465 private String getInterfaceName(NodeConnectorRef ref, Metadata metadata, DataBroker dataBroker2) throws Throwable {
466 LOGGER.debug("metadata received is {} ", metadata);
468 GetInterfaceFromIfIndexInputBuilder ifIndexInputBuilder = new GetInterfaceFromIfIndexInputBuilder();
469 BigInteger lportTag = MetaDataUtil.getLportFromMetadata(metadata.getMetadata());
471 ifIndexInputBuilder.setIfIndex(lportTag.intValue());
472 GetInterfaceFromIfIndexInput input = ifIndexInputBuilder.build();
473 OdlInterfaceRpcService intfRpc = getInterfaceRpcService();
475 Future<RpcResult<GetInterfaceFromIfIndexOutput>> interfaceFromIfIndex = intfRpc.getInterfaceFromIfIndex(input);
476 GetInterfaceFromIfIndexOutput interfaceFromIfIndexOutput = interfaceFromIfIndex.get().getResult();
477 return interfaceFromIfIndexOutput.getInterfaceName();
480 class MacResponderTask implements Runnable {
483 MacResponderTask(ARP arp) {
490 GetMacOutputBuilder outputBuilder;
492 SettableFuture<RpcResult<GetMacOutput>> future = null;
493 RpcResultBuilder<GetMacOutput> resultBuilder;
495 srcAddr = InetAddress.getByAddress(arp
496 .getSenderProtocolAddress());
497 srcMac = NWUtil.toStringMacAddress(arp
498 .getSenderHardwareAddress());
499 future = getMacFutures.remove(srcAddr.getHostAddress());
500 if (future == null) {
501 LOGGER.trace("There are no pending mac requests.");
504 outputBuilder = new GetMacOutputBuilder()
505 .setMacaddress(new PhysAddress(srcMac));
506 resultBuilder = RpcResultBuilder.success(outputBuilder.build());
507 if (LOGGER.isTraceEnabled()) {
508 LOGGER.trace("sent the mac response for ip {}",
509 srcAddr.getHostAddress());
511 } catch (Exception e) {
512 LOGGER.trace("failed to send mac response {} ", e);
513 resultBuilder = RpcResultBuilder.<GetMacOutput> failed()
514 .withError(ErrorType.APPLICATION, e.getMessage(), e);
516 future.set(resultBuilder.build());
520 private void fireArpRespRecvdNotification(String interfaceName,
521 InetAddress inetAddr, byte[] macAddressBytes, int tableId)
522 throws InterruptedException {
524 IpAddress ip = new IpAddress(inetAddr.getHostAddress().toCharArray());
525 String macAddress = NWUtil.toStringMacAddress(macAddressBytes);
526 PhysAddress mac = new PhysAddress(macAddress);
527 ArpResponseReceivedBuilder builder = new ArpResponseReceivedBuilder();
528 builder.setInterface(interfaceName);
529 builder.setIpaddress(ip);
530 builder.setOfTableId((long) tableId);
531 builder.setMacaddress(mac);
532 notificationPublishService.putNotification(builder.build());
535 private void fireArpReqRecvdNotification(String interfaceName,
536 InetAddress srcInetAddr, byte[] srcMac, InetAddress dstInetAddr,
537 int tableId) throws InterruptedException {
538 String macAddress = NWUtil.toStringMacAddress(srcMac);
539 ArpRequestReceivedBuilder builder = new ArpRequestReceivedBuilder();
540 builder.setInterface(interfaceName);
541 builder.setOfTableId((long) tableId);
542 builder.setSrcIpaddress(new IpAddress(srcInetAddr.getHostAddress()
544 builder.setDstIpaddress(new IpAddress(dstInetAddr.getHostAddress()
546 builder.setSrcMac(new PhysAddress(macAddress));
547 notificationPublishService.putNotification(builder.build());
550 private void checkAndFireMacChangedNotification(String interfaceName,
551 InetAddress inetAddr, byte[] macAddressBytes)
552 throws InterruptedException {
554 IpAddress ip = new IpAddress(inetAddr.getHostAddress().toCharArray());
555 String macAddress = NWUtil.toStringMacAddress(macAddressBytes);
556 PhysAddress mac = new PhysAddress(macAddress);
558 if (!macAddress.equals(macsDB.get(interfaceName + "-"
559 + inetAddr.getHostAddress()))) {
560 if (LOGGER.isTraceEnabled()) {
561 LOGGER.trace("mac address changed for " + inetAddr);
563 MacChangedBuilder builder = new MacChangedBuilder();
564 builder.setInterface(interfaceName);
565 builder.setIpaddress(ip);
566 builder.setMacaddress(mac);
567 notificationPublishService.putNotification(builder.build());
571 private InstanceIdentifier<Interface> buildInterfaceId(String interfaceName) {
572 InstanceIdentifierBuilder<Interface> idBuilder = InstanceIdentifier
573 .builder(Interfaces.class).child(Interface.class,
574 new InterfaceKey(interfaceName));
575 InstanceIdentifier<Interface> id = idBuilder.build();
580 private NodeConnectorId getNodeConnectorFromInterfaceName(String interfaceName) {
581 InstanceIdentifierBuilder<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> idBuilder =
582 InstanceIdentifier.builder(InterfacesState.class)
583 .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.class,
584 new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(interfaceName));
585 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId = idBuilder.build();
587 Optional<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateOptional = MDSALUtil.read(dataBroker,
588 LogicalDatastoreType.OPERATIONAL,
591 if (ifStateOptional.isPresent()) {
592 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState = ifStateOptional.get();
593 List<String> lowerLayerIf = ifState.getLowerLayerIf();
594 if (!lowerLayerIf.isEmpty()) {
595 return new NodeConnectorId(lowerLayerIf.get(0));