mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/LispMappingService.java

   1 /*
   2  * Copyright (c) 2014 Contextream, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.lispflowmapping.implementation;
  10
  11 import java.util.List;
  12
  13 import org.apache.commons.lang3.tuple.MutablePair;
  14 import org.apache.commons.lang3.tuple.Pair;
  15 import org.eclipse.osgi.framework.console.CommandInterpreter;
  16 import org.eclipse.osgi.framework.console.CommandProvider;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  19 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  20 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  21 import org.opendaylight.controller.sal.binding.api.NotificationListener;
  22 import org.opendaylight.controller.sal.binding.api.NotificationService;
  23 import org.opendaylight.lispflowmapping.implementation.config.ConfigIni;
  24 import org.opendaylight.lispflowmapping.implementation.dao.HashMapDb;
  25 import org.opendaylight.lispflowmapping.implementation.dao.MappingServiceKey;
  26 import org.opendaylight.lispflowmapping.implementation.dao.MappingServiceKeyUtil;
  27 import org.opendaylight.lispflowmapping.implementation.dao.MappingServiceNoMaskKey;
  28 import org.opendaylight.lispflowmapping.implementation.lisp.MapResolver;
  29 import org.opendaylight.lispflowmapping.implementation.lisp.MapServer;
  30 import org.opendaylight.lispflowmapping.implementation.mdsal.AuthenticationKeyDataListener;
  31 import org.opendaylight.lispflowmapping.implementation.mdsal.DataStoreBackEnd;
  32 import org.opendaylight.lispflowmapping.implementation.mdsal.MappingDataListener;
  33 import org.opendaylight.lispflowmapping.implementation.serializer.LispMessage;
  34 import org.opendaylight.lispflowmapping.implementation.util.LispAFIConvertor;
  35 import org.opendaylight.lispflowmapping.implementation.util.LispAddressStringifier;
  36 import org.opendaylight.lispflowmapping.implementation.util.LispNotificationHelper;
  37 import org.opendaylight.lispflowmapping.interfaces.dao.ILispDAO;
  38 import org.opendaylight.lispflowmapping.interfaces.dao.ILispTypeConverter;
  39 import org.opendaylight.lispflowmapping.interfaces.dao.IRowVisitor;
  40 import org.opendaylight.lispflowmapping.interfaces.lisp.IFlowMapping;
  41 import org.opendaylight.lispflowmapping.interfaces.lisp.IFlowMappingShell;
  42 import org.opendaylight.lispflowmapping.interfaces.lisp.IMapNotifyHandler;
  43 import org.opendaylight.lispflowmapping.interfaces.lisp.IMapRequestResultHandler;
  44 import org.opendaylight.lispflowmapping.interfaces.lisp.IMapResolverAsync;
  45 import org.opendaylight.lispflowmapping.interfaces.lisp.IMapServerAsync;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.AddMapping;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LfmControlPlaneService;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.MapNotify;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.MapRegister;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.MapReply;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.MapRequest;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.RequestMapping;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.SendMapNotifyInputBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.SendMapReplyInputBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.SendMapRequestInputBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.LispAddressContainer;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.lispaddresscontainer.address.ipv4.Ipv4AddressBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.mapnotifymessage.MapNotifyBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.mapreplymessage.MapReplyBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.maprequestmessage.MapRequestBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.transportaddress.TransportAddress;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.transportaddress.TransportAddressBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mapping.database.rev150314.db.instance.Mapping;
  64 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  65 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
  66 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  67 import org.opendaylight.yangtools.yang.binding.Notification;
  68 import org.osgi.framework.BundleContext;
  69 import org.osgi.framework.FrameworkUtil;
  70 import org.slf4j.Logger;
  71 import org.slf4j.LoggerFactory;
  72
  73 public class LispMappingService implements CommandProvider, IFlowMapping, IFlowMappingShell, BindingAwareProvider,
  74         IMapRequestResultHandler, IMapNotifyHandler {
  75     protected static final Logger LOG = LoggerFactory.getLogger(LispMappingService.class);
  76
  77     private static final ConfigIni configIni = new ConfigIni();
  78     private AuthenticationKeyDataListener keyListener;
  79     private MappingDataListener mappingListener;
  80     private ILispDAO lispDao = null;
  81     private IMapResolverAsync mapResolver;
  82     private IMapServerAsync mapServer;
  83     private volatile boolean shouldIterateMask;
  84     private volatile boolean shouldAuthenticate;
  85     private volatile boolean smr = configIni.smrIsSet();
  86     private ThreadLocal<MapReply> tlsMapReply = new ThreadLocal<MapReply>();
  87     private ThreadLocal<MapNotify> tlsMapNotify = new ThreadLocal<MapNotify>();
  88     private ThreadLocal<Pair<MapRequest, TransportAddress>> tlsMapRequest = new ThreadLocal<Pair<MapRequest, TransportAddress>>();
  89
  90     private LfmControlPlaneService lispSB = null;
  91
  92     private ProviderContext session;
  93
  94     private DataStoreBackEnd dsbe;
  95     private NotificationService notificationService;
  96     private static LispMappingService lfmService = null;
  97
  98     class LispIpv4AddressInMemoryConverter implements ILispTypeConverter<Ipv4Address, Integer> {
  99     }
 100
 101     class LispIpv6AddressInMemoryConverter implements ILispTypeConverter<Ipv6Address, Integer> {
 102     }
 103
 104     class MappingServiceKeyConvertor implements ILispTypeConverter<MappingServiceKey, Integer> {
 105     }
 106
 107     class MappingServiceNoMaskKeyConvertor implements ILispTypeConverter<MappingServiceNoMaskKey, Integer> {
 108     }
 109
 110     public static LispMappingService getLispMappingService() {
 111         return lfmService;
 112     }
 113
 114     void setBindingAwareBroker(BindingAwareBroker bindingAwareBroker) {
 115         LOG.debug("BindingAwareBroker set!");
 116         BundleContext bundleContext = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
 117         bindingAwareBroker.registerProvider(this, bundleContext);
 118
 119         // For the time being we initialize variables here. But once we remove the activator, these should
 120         // be moved to the constructor.
 121         lfmService = this;
 122         setLispDao(new HashMapDb());
 123     }
 124
 125     void unsetBindingAwareBroker(BindingAwareBroker bindingAwareBroker) {
 126         LOG.debug("BindingAwareBroker was unset in LispMappingService");
 127         lfmService = null;
 128     }
 129
 130     public void basicInit(ILispDAO dao) {
 131         lispDao = dao;
 132         mapResolver = new MapResolver(dao);
 133         mapServer = new MapServer(dao);
 134     }
 135
 136     void setLispDao(ILispDAO dao) {
 137         LOG.trace("LispDAO set in LispMappingService");
 138         basicInit(dao);
 139     }
 140
 141     void unsetLispDao(ILispDAO dao) {
 142         LOG.trace("LispDAO was unset in LispMappingService");
 143         mapServer = null;
 144         mapResolver = null;
 145         lispDao = null;
 146     }
 147
 148     public void init() {
 149         try {
 150             registerWithOSGIConsole();
 151             LOG.info("LISP (RFC6830) Mapping Service init finished");
 152         } catch (Exception e) {
 153             LOG.error(e.getStackTrace().toString());
 154         }
 155     }
 156
 157     private void registerWithOSGIConsole() {
 158         BundleContext bundleContext = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
 159         bundleContext.registerService(CommandProvider.class.getName(), this, null);
 160     }
 161
 162     public void destroy() {
 163         LOG.info("LISP (RFC6830) Mapping Service is destroyed!");
 164         mapResolver = null;
 165         mapServer = null;
 166         closeDataListeners();
 167     }
 168
 169     public void _removeEid(final CommandInterpreter ci) {
 170         LispAddressContainer eid = LispAFIConvertor.getIPContainer(ci.nextArgument());
 171         lispDao.remove(MappingServiceKeyUtil.generateMappingServiceKey(eid));
 172     }
 173
 174     public void _dumpAll(final CommandInterpreter ci) {
 175         ci.print(printMappings());
 176     }
 177
 178     public String printMappings() {
 179         final StringBuffer sb = new StringBuffer();
 180         sb.append("EID\tRLOCs\n");
 181         lispDao.getAll(new IRowVisitor() {
 182             String lastKey = "";
 183
 184             public void visitRow(Object keyId, String valueKey, Object value) {
 185                 String key = keyId.getClass().getSimpleName() + "#" + keyId;
 186                 if (!lastKey.equals(key)) {
 187                     sb.append("\n" + key + "\t");
 188                 }
 189                 sb.append(valueKey + "=" + value + "\t");
 190                 lastKey = key;
 191             }
 192         });
 193         sb.append("\n");
 194         return sb.toString();
 195     }
 196
 197     public void _setShouldOverwriteRlocs(final CommandInterpreter ci) {
 198         try {
 199             boolean shouldOverwriteRloc = Boolean.parseBoolean(ci.nextArgument());
 200             setOverwrite(shouldOverwriteRloc);
 201         } catch (Exception e) {
 202             ci.println("Bad Usage!!");
 203         }
 204
 205     }
 206
 207     public void _addDefaultPassword(final CommandInterpreter ci) {
 208         addDefaultKeyIPv4();
 209     }
 210
 211     public void addDefaultKeyIPv4() {
 212         LispAddressContainer address = LispAFIConvertor.toContainer(
 213                 new Ipv4AddressBuilder().setIpv4Address(new Ipv4Address("0.0.0.0")).build());
 214         addAuthenticationKey(address, 0, "password");
 215     }
 216
 217     public String getHelp() {
 218         StringBuffer help = new StringBuffer();
 219         help.append("---LISP Mapping Service---\n");
 220         help.append("\t dumpAll                               - Dump all current EID -> RLOC mappings\n");
 221         help.append("\t removeEid <EID>                       - Remove a single EID (/32 or /128)\n");
 222         help.append("\t setShouldOverwriteRlocs <true|false>  - Set the map server's behavior regarding existing RLOCs\n");
 223         help.append("\t addDefaultPassword                    - Add \"password\" as default password for IPv4 EIDs");
 224         return help.toString();
 225     }
 226
 227     public MapReply handleMapRequest(MapRequest request) {
 228         return handleMapRequest(request, smr);
 229     }
 230
 231     public MapReply handleMapRequest(MapRequest request, boolean smr) {
 232         LOG.debug("DAO: Retrieving mapping for {}",
 233                 LispAddressStringifier.getString(request.getEidRecord().get(0).getLispAddressContainer(),
 234                 request.getEidRecord().get(0).getMask()));
 235
 236         tlsMapReply.set(null);
 237         tlsMapRequest.set(null);
 238         mapResolver.handleMapRequest(request, smr, this);
 239         // After this invocation we assume that the thread local is filled with
 240         // the reply
 241         if (tlsMapRequest.get() != null) {
 242             SendMapRequestInputBuilder smrib = new SendMapRequestInputBuilder();
 243             new MapRequestBuilder(tlsMapRequest.get().getLeft());
 244             smrib.setMapRequest(new MapRequestBuilder(tlsMapRequest.get().getLeft()).build());
 245             smrib.setTransportAddress(tlsMapRequest.get().getRight());
 246             getLispSB().sendMapRequest(smrib.build());
 247             return null;
 248         } else {
 249             return tlsMapReply.get();
 250         }
 251
 252     }
 253
 254     public MapNotify handleMapRegister(MapRegister mapRegister) {
 255         return handleMapRegister(mapRegister, smr);
 256     }
 257
 258     public MapNotify handleMapRegister(MapRegister mapRegister, boolean smr) {
 259         LOG.debug("DAO: Adding mapping for {}",
 260                 LispAddressStringifier.getString(mapRegister.getEidToLocatorRecord().get(0).getLispAddressContainer(),
 261                 mapRegister.getEidToLocatorRecord().get(0).getMaskLength()));
 262
 263         tlsMapNotify.set(null);
 264         mapServer.handleMapRegister(mapRegister, smr, this);
 265         // After this invocation we assume that the thread local is filled with
 266         // the reply
 267         return tlsMapNotify.get();
 268     }
 269
 270     public String getAuthenticationKey(LispAddressContainer address, int maskLen) {
 271         LOG.debug("DAO: Retrieving authentication key for {}", LispAddressStringifier.getString(address, maskLen));
 272         return mapServer.getAuthenticationKey(address, maskLen);
 273     }
 274
 275     public void removeAuthenticationKey(LispAddressContainer address, int maskLen) {
 276         LOG.debug("DAO: Removing authentication key for {}", LispAddressStringifier.getString(address, maskLen));
 277         mapServer.removeAuthenticationKey(address, maskLen);
 278     }
 279
 280     public void addAuthenticationKey(LispAddressContainer address, int maskLen, String key) {
 281         LOG.debug("DAO: Adding authentication key '{}' for {}", key,
 282                 LispAddressStringifier.getString(address, maskLen));
 283         mapServer.addAuthenticationKey(address, maskLen, key);
 284     }
 285
 286     public void removeMapping(LispAddressContainer address, int maskLen) {
 287         LOG.debug("DAO: Removing mapping for {}", LispAddressStringifier.getString(address, maskLen));
 288         mapServer.removeMapping(address, maskLen, smr, this);
 289     }
 290
 291     public boolean shouldIterateMask() {
 292         return this.shouldIterateMask;
 293     }
 294
 295     public boolean shouldUseSmr() {
 296         return this.smr;
 297     }
 298
 299     public void setShouldUseSmr(boolean smr) {
 300         this.smr = smr;
 301     }
 302
 303     public void setShouldIterateMask(boolean shouldIterateMask) {
 304         this.shouldIterateMask = shouldIterateMask;
 305         this.mapResolver.setShouldIterateMask(shouldIterateMask);
 306         this.mapServer.setShouldIterateMask(shouldIterateMask);
 307     }
 308
 309     public void setShouldAuthenticate(boolean shouldAuthenticate) {
 310         this.shouldAuthenticate = shouldAuthenticate;
 311         this.mapResolver.setShouldAuthenticate(shouldAuthenticate);
 312         this.mapServer.setShouldAuthenticate(shouldAuthenticate);
 313     }
 314
 315     public boolean shouldAuthenticate() {
 316         return shouldAuthenticate;
 317     }
 318
 319     @Override
 320     public void onSessionInitiated(ProviderContext session) {
 321         LOG.info("Lisp Consumer session initialized!");
 322         notificationService = session.getSALService(NotificationService.class);
 323         dsbe = new DataStoreBackEnd(session.getSALService(DataBroker.class));
 324         registerNotificationListener(AddMapping.class, new MapRegisterNotificationHandler());
 325         registerNotificationListener(RequestMapping.class, new MapRequestNotificationHandler());
 326         registerDataListeners(session.getSALService(DataBroker.class));
 327         this.session = session;
 328     }
 329
 330     private void registerDataListeners(DataBroker broker) {
 331         keyListener = new AuthenticationKeyDataListener(broker, this);
 332         mappingListener = new MappingDataListener(broker, this);
 333     }
 334
 335     private void closeDataListeners() {
 336         keyListener.closeDataChangeListener();
 337         mappingListener.closeDataChangeListener();
 338     }
 339
 340     public <T extends Notification> void registerNotificationListener(Class<T> notificationType, NotificationListener<T> listener) {
 341         notificationService.registerNotificationListener(notificationType, listener);
 342     }
 343
 344     private class MapRegisterNotificationHandler implements NotificationListener<AddMapping> {
 345
 346         @Override
 347         public void onNotification(AddMapping mapRegisterNotification) {
 348             MapNotify mapNotify = handleMapRegister(mapRegisterNotification.getMapRegister(), smr);
 349             if (mapNotify != null) {
 350                 TransportAddressBuilder tab = new TransportAddressBuilder();
 351                 tab.setIpAddress(mapRegisterNotification.getTransportAddress().getIpAddress());
 352                 tab.setPort(new PortNumber(LispMessage.PORT_NUM));
 353                 SendMapNotifyInputBuilder smnib = new SendMapNotifyInputBuilder();
 354                 smnib.setMapNotify(new MapNotifyBuilder(mapNotify).build());
 355                 smnib.setTransportAddress(tab.build());
 356                 getLispSB().sendMapNotify(smnib.build());
 357             } else {
 358                 LOG.warn("got null map notify");
 359             }
 360
 361             List<Mapping> mappings = LispNotificationHelper.getMapping(mapRegisterNotification);
 362             for (Mapping mapping : mappings) {
 363                 dsbe.updateMapping(mapping);
 364             }
 365         }
 366     }
 367
 368     private class MapRequestNotificationHandler implements NotificationListener<RequestMapping> {
 369
 370         @Override
 371         public void onNotification(RequestMapping mapRequestNotification) {
 372             MapReply mapReply = handleMapRequest(mapRequestNotification.getMapRequest());
 373             if (mapReply != null) {
 374                 SendMapReplyInputBuilder smrib = new SendMapReplyInputBuilder();
 375                 smrib.setMapReply((new MapReplyBuilder(mapReply).build()));
 376                 smrib.setTransportAddress(mapRequestNotification.getTransportAddress());
 377                 getLispSB().sendMapReply(smrib.build());
 378             } else {
 379                 LOG.warn("got null map reply");
 380             }
 381         }
 382     }
 383
 384     private LfmControlPlaneService getLispSB() {
 385         if (lispSB == null) {
 386             lispSB = session.getRpcService(LfmControlPlaneService.class);
 387         }
 388         return lispSB;
 389     }
 390
 391     public void handleMapReply(MapReply reply) {
 392         tlsMapReply.set(reply);
 393     }
 394
 395     public void handleMapNotify(MapNotify notify) {
 396         tlsMapNotify.set(notify);
 397     }
 398
 399     public void handleSMR(MapRequest smr, LispAddressContainer subscriber) {
 400         LOG.debug("Sending SMR to " + subscriber.toString());
 401         SendMapRequestInputBuilder smrib = new SendMapRequestInputBuilder();
 402         smrib.setMapRequest(new MapRequestBuilder(smr).build());
 403         smrib.setTransportAddress(LispNotificationHelper.getTransportAddressFromContainer(subscriber));
 404         getLispSB().sendMapRequest(smrib.build());
 405
 406     }
 407
 408     @Override
 409     public void handleNonProxyMapRequest(MapRequest mapRequest, TransportAddress transportAddress) {
 410         tlsMapRequest.set(new MutablePair<MapRequest, TransportAddress>(mapRequest, transportAddress));
 411     }
 412
 413     @Override
 414     public void clean() {
 415         lispDao.removeAll();
 416     }
 417
 418     @Override
 419     public boolean shouldOverwrite() {
 420         return mapServer.shouldOverwrite();
 421     }
 422
 423     @Override
 424     public void setOverwrite(boolean overwrite) {
 425         mapServer.setOverwrite(overwrite);
 426     }
 427 }