X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=mappingservice%2Fimplementation%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Flispflowmapping%2Fimplementation%2Flisp%2FMapResolver.java;h=c198ac2be1a80ecb2a795d12cb0626c4b4de6d39;hb=dbecabd699fe2090374e1b3da9466ccb53c8130a;hp=02a8160956e96bd0341acd1b15502f0021afd0cb;hpb=4bc1360e78f992f8d2ea77282bcae53804a3114c;p=lispflowmapping.git diff --git a/mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/lisp/MapResolver.java b/mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/lisp/MapResolver.java index 02a816095..c198ac2be 100644 --- a/mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/lisp/MapResolver.java +++ b/mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/lisp/MapResolver.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013 Contextream, Inc. and others. All rights reserved. + * Copyright (c) 2014 Contextream, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, @@ -8,119 +8,214 @@ package org.opendaylight.lispflowmapping.implementation.lisp; -import java.util.Map; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Map.Entry; +import org.opendaylight.lispflowmapping.implementation.config.ConfigIni; +import org.opendaylight.lispflowmapping.implementation.dao.MappingServiceKeyUtil; +import org.opendaylight.lispflowmapping.implementation.util.DAOMappingUtil; +import org.opendaylight.lispflowmapping.implementation.util.LispAFIConvertor; +import org.opendaylight.lispflowmapping.implementation.util.LispNotificationHelper; import org.opendaylight.lispflowmapping.interfaces.dao.ILispDAO; import org.opendaylight.lispflowmapping.interfaces.dao.IMappingServiceKey; -import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceKeyUtil; -import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceRLOC; -import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceValue; -import org.opendaylight.lispflowmapping.interfaces.lisp.IMapResolver; -import org.opendaylight.lispflowmapping.type.lisp.EidRecord; -import org.opendaylight.lispflowmapping.type.lisp.EidToLocatorRecord; -import org.opendaylight.lispflowmapping.type.lisp.LocatorRecord; -import org.opendaylight.lispflowmapping.type.lisp.MapReply; -import org.opendaylight.lispflowmapping.type.lisp.MapRequest; -import org.opendaylight.lispflowmapping.type.lisp.address.IMaskable; -import org.opendaylight.lispflowmapping.type.lisp.address.LispAddress; +import org.opendaylight.lispflowmapping.interfaces.dao.MappingEntry; +import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceRLOCGroup; +import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceSubscriberRLOC; +import org.opendaylight.lispflowmapping.interfaces.lisp.IMapRequestResultHandler; +import org.opendaylight.lispflowmapping.interfaces.lisp.IMapResolverAsync; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.EidToLocatorRecord.Action; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.LcafTrafficEngineeringAddress; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.MapRequest; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.eidrecords.EidRecord; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.eidtolocatorrecords.EidToLocatorRecord; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.eidtolocatorrecords.EidToLocatorRecordBuilder; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.lcaftrafficengineeringaddress.Hops; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.lispaddress.LispAddressContainer; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.lispaddress.LispAddressContainerBuilder; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.locatorrecords.LocatorRecord; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.locatorrecords.LocatorRecordBuilder; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.mapreplymessage.MapReplyBuilder; +import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.maprequest.ItrRloc; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -public class MapResolver implements IMapResolver { - private ILispDAO dao; - private volatile boolean shouldAuthenticate; - private volatile boolean shouldIterateMask; - protected static final Logger logger = LoggerFactory.getLogger(MapResolver.class); +public class MapResolver extends AbstractLispComponent implements IMapResolverAsync { + + private static final int TTL_RLOC_TIMED_OUT = 1; + private static final int TTL_NO_RLOC_KNOWN = 15; + protected static final Logger LOG = LoggerFactory.getLogger(MapResolver.class); + + private static final ConfigIni configIni = new ConfigIni(); + private static final String elpPolicy = configIni.getElpPolicy(); public MapResolver(ILispDAO dao) { this(dao, true, true); } public MapResolver(ILispDAO dao, boolean authenticate, boolean iterateMask) { - this.dao = dao; - this.shouldAuthenticate = authenticate; - this.shouldIterateMask = iterateMask; + super(dao, authenticate, iterateMask); } - public MapReply handleMapRequest(MapRequest request) { + public void handleMapRequest(MapRequest request, boolean smr, IMapRequestResultHandler callback) { if (dao == null) { - logger.warn("handleMapRequest called while dao is uninitialized"); - return null; + LOG.warn("handleMapRequest called while dao is uninitialized"); + return; } - MapReply mapReply = new MapReply(); - mapReply.setNonce(request.getNonce()); - - for (EidRecord eid : request.getEids()) { - EidToLocatorRecord eidToLocators = new EidToLocatorRecord(); - eidToLocators.setMaskLength(eid.getMaskLength())// - .setPrefix(eid.getPrefix()); - IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(eid.getPrefix(), eid.getMaskLength()); - Map locators = dao.get(key); - if (shouldIterateMask() && locators == null && key.getEID() instanceof IMaskable) { - locators = findMaskLocators(key); + if (request.isPitr()) { + if (request.getEidRecord().size() > 0) { + EidRecord eid = request.getEidRecord().get(0); + Object result = DAOMappingUtil.getLocatorsSpecificByEidRecord(eid, dao, ADDRESS_SUBKEY, shouldIterateMask()); + if (result != null && result instanceof MappingServiceRLOCGroup) { + MappingServiceRLOCGroup locatorsGroup = (MappingServiceRLOCGroup) result; + if (locatorsGroup != null && locatorsGroup.getRecords().size() > 0) { + callback.handleNonProxyMapRequest(request, + LispNotificationHelper.getTransportAddressFromContainer(locatorsGroup.getRecords().get(0).getLispAddressContainer())); + } + } } - if (locators != null) { - addLocators(eidToLocators, locators); - } - mapReply.addEidToLocator(eidToLocators); - } - - return mapReply; - } - private Map findMaskLocators(IMappingServiceKey key) { - int mask = key.getMask(); - if (mask == 0) { - mask = ((IMaskable) key.getEID()).getMaxMask() - 1; - key = MappingServiceKeyUtil.generateMappingServiceKey(key.getEID(), (byte) mask); - } - while (mask > 0) { - ((IMaskable) key.getEID()).normalize(mask); - mask--; - Map locators = dao.get(key); - if (locators != null) { - return locators; + } else { + MapReplyBuilder builder = new MapReplyBuilder(); + builder.setEchoNonceEnabled(false); + builder.setProbe(false); + builder.setSecurityEnabled(false); + builder.setNonce(request.getNonce()); + builder.setEidToLocatorRecord(new ArrayList()); + for (EidRecord eid : request.getEidRecord()) { + EidToLocatorRecordBuilder recordBuilder = new EidToLocatorRecordBuilder(); + Entry> mapping = DAOMappingUtil.getMappingForEidRecord(eid, dao); + recordBuilder.setRecordTtl(0); + recordBuilder.setAction(Action.NoAction); + recordBuilder.setAuthoritative(false); + recordBuilder.setMapVersion((short) 0); + recordBuilder.setMaskLength((short) mapping.getKey().getMask()); + recordBuilder.setLispAddressContainer(mapping.getKey().getEID()); + recordBuilder.setLocatorRecord(new ArrayList()); + List locators = mapping.getValue(); + if (locators != null && locators.size() > 0) { + List itrRlocs = request.getItrRloc(); + addLocatorGroups(recordBuilder, locators, itrRlocs); + if (itrRlocs != null && itrRlocs.size() > 0) { + LispAddressContainer itrRloc = itrRlocs.get(0).getLispAddressContainer(); + MappingServiceSubscriberRLOC subscriberRloc = new MappingServiceSubscriberRLOC(itrRloc); + HashSet subscribers = getSubscribers(mapping.getKey().getEID(), mapping.getKey().getMask()); + if (subscribers == null) { + subscribers = new HashSet(); + } else if (subscribers.contains(subscriberRloc)) { + /* + * If there is an entry already for this + * subscriberRloc, remove it, so that it gets the + * new timestamp + */ + subscribers.remove(subscriberRloc); + } + if (smr) { + IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(mapping.getKey().getEID(), + mapping.getKey().getMask()); + LOG.trace("Adding new subscriber: " + subscriberRloc.toString()); + subscribers.add(subscriberRloc); + dao.put(key, new MappingEntry>(SUBSCRIBERS_SUBKEY, subscribers)); + } + } + } else { + recordBuilder + .setAction(org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.eidtolocatorrecords.EidToLocatorRecord.Action.NativelyForward); + if (shouldAuthenticate() && getPassword(eid.getLispAddressContainer(), eid.getMask()) != null) { + recordBuilder.setRecordTtl(TTL_RLOC_TIMED_OUT); + } else { + recordBuilder.setRecordTtl(TTL_NO_RLOC_KNOWN); + + } + } + builder.getEidToLocatorRecord().add(recordBuilder.build()); } + + callback.handleMapReply(builder.build()); } - return null; } - private void addLocators(EidToLocatorRecord eidToLocators, Map locators) { - try { - MappingServiceValue value = (MappingServiceValue) locators.get("value"); - for (MappingServiceRLOC rloc : value.getRlocs()) { - addLocator(eidToLocators, rloc); - - } - } catch (ClassCastException cce) { + private void addLocatorGroups(EidToLocatorRecordBuilder recordBuilder, List rlocs, List itrRlocs) { + for (MappingServiceRLOCGroup rloc : rlocs) { + addLocators(recordBuilder, rloc, itrRlocs); + recordBuilder.setRecordTtl(rloc.getTtl()); } } - private void addLocator(EidToLocatorRecord eidToLocators, MappingServiceRLOC locatorObject) { + private void addLocators(EidToLocatorRecordBuilder recordBuilder, MappingServiceRLOCGroup locatorObject, List itrRlocs) { if (locatorObject == null) { return; } + + recordBuilder.setAction(locatorObject.getAction()); + recordBuilder.setAuthoritative(locatorObject.isAuthoritative()); + recordBuilder.setRecordTtl(locatorObject.getTtl()); + try { - LispAddress locator = locatorObject.getRecord().getLocator(); - eidToLocators.addLocator(new LocatorRecord().setLocator(locator).setRouted(true)); + for (LocatorRecord record : locatorObject.getRecords()) { + LispAddressContainer container = record.getLispAddressContainer(); + + // For non-ELP RLOCs, or when ELP policy is default, just add the locator and be done + if ((!(container.getAddress() instanceof LcafTrafficEngineeringAddress)) || elpPolicy.equalsIgnoreCase("default")) { + recordBuilder.getLocatorRecord().add( + new LocatorRecordBuilder().setLocalLocator(record.isLocalLocator()).setRlocProbed(record.isRlocProbed()) + .setWeight(record.getWeight()).setPriority(record.getPriority()).setMulticastWeight(record.getMulticastWeight()) + .setMulticastPriority(record.getMulticastPriority()).setRouted(true) + .setLispAddressContainer(container).build()); + continue; + } + + LispAddressContainer nextHop = getNextELPHop((LcafTrafficEngineeringAddress) container.getAddress(), itrRlocs); + if (nextHop != null) { + java.lang.Short priority = record.getPriority(); + if (elpPolicy.equalsIgnoreCase("both")) { + recordBuilder.getLocatorRecord().add( + new LocatorRecordBuilder().setLocalLocator(record.isLocalLocator()).setRlocProbed(record.isRlocProbed()) + .setWeight(record.getWeight()).setPriority(record.getPriority()).setMulticastWeight(record.getMulticastWeight()) + .setMulticastPriority(record.getMulticastPriority()).setRouted(true) + .setLispAddressContainer(container).build()); + // Make the priority of the added simple locator lower so that ELP is used by default if + // the xTR understands ELP. Exclude 255, since that means don't use for unicast forwarding + // XXX Complex cases like several ELPs with different priorities are not handled + if (priority != 254 || priority !=255) { + priority++; + } + } + // Build and add the simple RLOC + recordBuilder.getLocatorRecord().add( + new LocatorRecordBuilder().setLocalLocator(record.isLocalLocator()).setRlocProbed(record.isRlocProbed()) + .setWeight(record.getWeight()).setPriority(priority).setMulticastWeight(record.getMulticastWeight()) + .setMulticastPriority(record.getMulticastPriority()).setRouted(true) + .setLispAddressContainer(nextHop).build()); + } + } } catch (ClassCastException cce) { } } - public boolean shouldIterateMask() { - return shouldIterateMask; - } - - public boolean shouldAuthenticate() { - return shouldAuthenticate; - } - - public void setShouldIterateMask(boolean shouldIterateMask) { - this.shouldIterateMask = shouldIterateMask; - } + private LispAddressContainer getNextELPHop(LcafTrafficEngineeringAddress elp, List itrRlocs) { + LispAddressContainer nextHop = null; + List hops = elp.getHops(); + + if (hops != null && hops.size() > 0) { + // By default we return the first hop + nextHop = LispAFIConvertor.toContainer(LispAFIConvertor.toAFIfromPrimitive(hops.get(0).getHop().getPrimitiveAddress())); + for (Hops hop : hops) { + LispAddressContainer hopContainer = LispAFIConvertor.toContainer(LispAFIConvertor.toAFIfromPrimitive(hop.getHop().getPrimitiveAddress())); + for (ItrRloc itrRloc : itrRlocs) { + if (itrRloc.getLispAddressContainer().equals(hopContainer)) { + int i = hops.indexOf(hop); + if (i < hops.size() - 1) { + nextHop = LispAFIConvertor.toContainer(LispAFIConvertor.toAFIfromPrimitive(hops.get(i+1).getHop().getPrimitiveAddress())); + return nextHop; + } + } + } + } + } - public void setShouldAuthenticate(boolean shouldAuthenticate) { - this.shouldAuthenticate = shouldAuthenticate; + return nextHop; } }