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
8 package org.opendaylight.netvirt.vpnmanager;
10 import com.google.common.base.Optional;
11 import com.google.common.util.concurrent.CheckedFuture;
12 import com.google.common.util.concurrent.FutureCallback;
13 import com.google.common.util.concurrent.ThreadFactoryBuilder;
14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
15 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
19 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
20 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
21 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnAfConfig;
22 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
23 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
24 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey;
25 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
26 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceBuilder;
27 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceKey;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryKey;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.AdjacencyKey;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NeutronVpnPortipPortData;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.neutron.vpn.portip.port.data.VpnPortipToPort;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.neutron.vpn.portip.port.data.VpnPortipToPortKey;
41 import org.opendaylight.yangtools.concepts.ListenerRegistration;
42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
46 import java.lang.Thread.UncaughtExceptionHandler;
47 import java.net.InetAddress;
48 import java.util.ArrayList;
49 import java.util.Collection;
50 import java.util.List;
51 import java.util.concurrent.*;
53 public class ArpScheduler extends AsyncDataTreeChangeListenerBase<VpnPortipToPort,ArpScheduler> {
55 private ScheduledExecutorService executorService;
56 private OdlInterfaceRpcService interfaceRpc;
57 private DataBroker dataBroker;
58 private ScheduledFuture<?> scheduledResult;
59 private static final Logger LOG = LoggerFactory.getLogger(ArpScheduler.class);
60 private DelayQueue<MacEntry> macEntryQueue = new DelayQueue<MacEntry>();
61 private ListenerRegistration<ArpScheduler> listenerRegistration;
63 public ArpScheduler(OdlInterfaceRpcService interfaceRpc, DataBroker dataBroker) {
64 super(VpnPortipToPort.class, ArpScheduler.class);
65 this.dataBroker = dataBroker;
66 this.interfaceRpc = interfaceRpc;
67 Long timeout = Long.getLong("arp.cache.timeout");
68 if (timeout == null) {
71 ArpConstants.arpCacheTimeout = timeout;
72 registerListener(this.dataBroker);
73 executorService = Executors.newScheduledThreadPool(ArpConstants.THREAD_POOL_SIZE, getThreadFactory("Arp Cache Timer Tasks"));
74 scheduleExpiredEntryDrainerTask();
78 private void scheduleExpiredEntryDrainerTask() {
79 LOG.info("Scheduling expired entry drainer task");
80 ExpiredEntryDrainerTask expiredEntryDrainerTask = new ExpiredEntryDrainerTask();
81 scheduledResult = executorService.scheduleAtFixedRate(expiredEntryDrainerTask, ArpConstants.NO_DELAY, ArpConstants.PERIOD, TimeUnit.MILLISECONDS);
85 private ThreadFactory getThreadFactory(String threadNameFormat) {
86 ThreadFactoryBuilder builder = new ThreadFactoryBuilder();
87 builder.setNameFormat(threadNameFormat);
88 builder.setUncaughtExceptionHandler( new UncaughtExceptionHandler() {
90 public void uncaughtException(Thread t, Throwable e) {
91 LOG.error("Received Uncaught Exception event in Thread: {}", t.getName(), e);
94 return builder.build();
98 private class ExpiredEntryDrainerTask implements Runnable {
101 Collection<MacEntry> expiredMacEntries = new ArrayList<>();
102 macEntryQueue.drainTo(expiredMacEntries);
103 for (MacEntry macEntry: expiredMacEntries) {
104 LOG.info("Removing the ARP cache for"+macEntry);
105 InstanceIdentifier<VpnPortipToPort> id = getVpnPortipToPortInstanceOpDataIdentifier(macEntry.getIpAddress().getHostAddress(),macEntry.getVpnName());
106 Optional<VpnPortipToPort> vpnPortipToPort = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
107 if (vpnPortipToPort.isPresent()) {
108 VpnPortipToPort vpnPortipToPortold = vpnPortipToPort.get();
109 String fixedip = vpnPortipToPortold.getPortFixedip();
110 String vpnName = vpnPortipToPortold.getVpnName();
111 String interfaceName = vpnPortipToPortold.getPortName();
112 String rd = getRouteDistinguisher(vpnName);
113 DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
114 coordinator.enqueueJob(buildJobKey(fixedip,vpnName), new ArpremovechacheTask(dataBroker,fixedip, vpnName,interfaceName, rd,id));
121 private String getRouteDistinguisher(String vpnName) {
122 InstanceIdentifier<VpnInstance> id = InstanceIdentifier.builder(VpnInstances.class)
123 .child(VpnInstance.class, new VpnInstanceKey(vpnName)).build();
124 Optional<VpnInstance> vpnInstance = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
126 if(vpnInstance.isPresent()) {
127 VpnInstance instance = vpnInstance.get();
128 VpnAfConfig config = instance.getIpv4Family();
129 rd = config.getRouteDistinguisher();
134 public static InstanceIdentifier<VpnPortipToPort> getVpnPortipToPortInstanceOpDataIdentifier(String ip, String vpnName) {
135 return InstanceIdentifier.builder(NeutronVpnPortipPortData.class)
136 .child(VpnPortipToPort.class, new VpnPortipToPortKey(ip,vpnName)).build();
139 private void registerListener(final DataBroker db) {
141 final DataTreeIdentifier<VpnPortipToPort> treeId = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, getWildCardPath());
142 listenerRegistration = dataBroker.registerDataTreeChangeListener(treeId, this);
143 } catch (final Exception e) {
144 LOG.error("VPN Service DataChange listener registration fail !", e);
145 throw new IllegalStateException("VPN Service registration Listener failed.", e);
150 protected ArpScheduler getDataTreeChangeListener() {
155 protected void update(InstanceIdentifier<VpnPortipToPort> id, VpnPortipToPort value,
156 VpnPortipToPort dataObjectModificationAfter) {
158 InetAddress srcInetAddr = InetAddress.getByName(value.getPortFixedip());
159 MacAddress srcMacAddress = MacAddress.getDefaultInstance(value.getMacAddress());
160 String vpnName = value.getVpnName();
161 String interfaceName = value.getPortName();
162 Boolean islearnt = value.isLearnt();
165 DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
166 coordinator.enqueueJob(buildJobKey(srcInetAddr.toString(),vpnName), new ArpaddchacheTask(srcInetAddr, srcMacAddress, vpnName,interfaceName, macEntryQueue));
168 } catch (Exception e) {
169 LOG.error("Error in deserializing packet {} with exception {}", value, e);
177 protected void add(InstanceIdentifier<VpnPortipToPort> identifier, VpnPortipToPort value) {
180 InetAddress srcInetAddr = InetAddress.getByName(value.getPortFixedip());
181 MacAddress srcMacAddress = MacAddress.getDefaultInstance(value.getMacAddress());
182 String vpnName = value.getVpnName();
183 String interfaceName = value.getPortName();
184 Boolean islearnt = value.isLearnt();
187 DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
190 coordinator.enqueueJob(buildJobKey(srcInetAddr.toString(),vpnName), new ArpaddchacheTask(srcInetAddr, srcMacAddress, vpnName,interfaceName, macEntryQueue));
194 catch (Exception e) {
195 LOG.error("Error in deserializing packet {} with exception {}", value, e);
201 protected InstanceIdentifier<VpnPortipToPort> getWildCardPath() {
202 return InstanceIdentifier.create(NeutronVpnPortipPortData.class).child(VpnPortipToPort.class);
206 protected void remove(InstanceIdentifier<VpnPortipToPort> key, VpnPortipToPort dataObjectModification) {
207 // TODO Auto-generated method stub
211 private String buildJobKey(String ip, String vpnName){
212 return new StringBuilder(ArpConstants.ARPJOB).append(ip).append(vpnName).toString();