package org.opendaylight.lispflowmapping.implementation.lisp;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Sets;
import java.util.ArrayList;
import java.util.List;
-import java.util.HashSet;
-import java.util.Map;
-import java.net.InetAddress;
-
-import org.opendaylight.lispflowmapping.implementation.dao.MappingServiceKeyUtil;
-import org.opendaylight.lispflowmapping.implementation.util.LispNotificationHelper;
-import org.opendaylight.lispflowmapping.implementation.util.MapRequestUtil;
-import org.opendaylight.lispflowmapping.implementation.util.MaskUtil;
-import org.opendaylight.lispflowmapping.interfaces.dao.ILispDAO;
-import org.opendaylight.lispflowmapping.interfaces.dao.IMappingServiceKey;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingEntry;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceRLOCGroup;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceSubscriberRLOC;
+import java.util.Set;
+import org.apache.commons.lang3.exception.ExceptionUtils;
+import org.opendaylight.lispflowmapping.interfaces.dao.SubKeys;
+import org.opendaylight.lispflowmapping.interfaces.dao.SubscriberRLOC;
import org.opendaylight.lispflowmapping.interfaces.lisp.IMapRequestResultHandler;
import org.opendaylight.lispflowmapping.interfaces.lisp.IMapResolverAsync;
-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.EidToLocatorRecord.Action;
-import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.eidtolocatorrecords.EidToLocatorRecordBuilder;
-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.lispflowmapping.interfaces.mappingservice.IMappingService;
+import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
+import org.opendaylight.lispflowmapping.lisp.util.LispAddressUtil;
+import org.opendaylight.lispflowmapping.lisp.util.SourceDestKeyHelper;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4Afi;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4PrefixAfi;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6Afi;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6PrefixAfi;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SourceDestKeyLcaf;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ExplicitLocatorPath;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.SourceDestKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.explicit.locator.path.Hop;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.IpAddressBinary;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4BinaryAfi;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4PrefixBinaryAfi;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6BinaryAfi;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6PrefixBinaryAfi;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapRequest;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.list.EidItem;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecord;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecordBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecord;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecord.Action;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecordBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.list.MappingRecordItemBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapreplymessage.MapReplyBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.maprequest.ItrRloc;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingOrigin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class MapResolver extends AbstractLispComponent implements IMapResolverAsync {
+public class MapResolver implements IMapResolverAsync {
+ protected static final Logger LOG = LoggerFactory.getLogger(MapResolver.class);
private static final int TTL_RLOC_TIMED_OUT = 1;
private static final int TTL_NO_RLOC_KNOWN = 15;
- protected static final Logger logger = LoggerFactory.getLogger(MapResolver.class);
- public MapResolver(ILispDAO dao) {
- this(dao, true, true);
- }
+ private IMappingService mapService;
+ private boolean subscriptionService;
+ private String elpPolicy;
+ private IMapRequestResultHandler requestHandler;
+ private boolean authenticate = true;
- public MapResolver(ILispDAO dao, boolean authenticate, boolean iterateMask) {
- super(dao, authenticate, iterateMask);
+ public MapResolver(IMappingService mapService, boolean smr, String elpPolicy,
+ IMapRequestResultHandler requestHandler) {
+ Preconditions.checkNotNull(mapService);
+ this.subscriptionService = smr;
+ this.mapService = mapService;
+ this.elpPolicy = elpPolicy;
+ this.requestHandler = requestHandler;
}
- public void handleMapRequest(MapRequest request, IMapRequestResultHandler callback) {
- if (dao == null) {
- logger.warn("handleMapRequest called while dao is uninitialized");
+ public void handleMapRequest(MapRequest request) {
+ // SMRs and RLOC probes are directed towards xTRs and we're a Map-Resolver here, so ignore them
+ if (request.isSmr() != null && request.isSmr()) {
+ LOG.debug("Map-Resolver ignoring incoming SMR control message.");
+ return;
+ }
+ if (request.isProbe() != null && request.isProbe()) {
+ LOG.debug("Map-Resolver ignoring incoming RLOC probe control message.");
return;
}
- InetAddress itrRloc = MapRequestUtil.selectItrRloc(request);
- logger.trace("Map-Request itrRloc is " + ((itrRloc == null) ? "MISSING" : itrRloc.toString()));
- if (request.isPitr()) {
- if (request.getEidRecord().size() > 0) {
- EidRecord eid = request.getEidRecord().get(0);
- Object result = getLocatorsSpecific(eid, ADDRESS_SUBKEY);
- 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()));
+ Eid srcEid = null;
+ if (request.getSourceEid() != null) {
+ srcEid = request.getSourceEid().getEid();
+ }
+ MapReplyBuilder replyBuilder = new MapReplyBuilder();
+ replyBuilder.setEchoNonceEnabled(false);
+ replyBuilder.setProbe(false);
+ replyBuilder.setSecurityEnabled(false);
+ replyBuilder.setNonce(request.getNonce());
+ replyBuilder.setMappingRecordItem(new ArrayList<>());
+ List<ItrRloc> itrRlocs = request.getItrRloc();
+ final IpAddressBinary sourceRloc = request.getSourceRloc();
+
+ for (EidItem eidRecord : request.getEidItem()) {
+ MappingRecord mapping = (MappingRecord) mapService.getMapping(srcEid,
+ eidRecord.getEid());
+ if (mapping != null) {
+ if (itrRlocs != null && itrRlocs.size() != 0) {
+ if (subscriptionService) {
+ final Rloc resolvedRloc = resolveRloc(itrRlocs, sourceRloc);
+ updateSubscribers(resolvedRloc, eidRecord.getEid(), mapping.getEid(), srcEid);
}
+ mapping = updateLocators(mapping, itrRlocs);
}
+ mapping = fixIfNotSDRequest(mapping, eidRecord.getEid());
+ } else {
+ mapping = getNegativeMapping(eidRecord.getEid());
+ }
+ replyBuilder.getMappingRecordItem().add(new MappingRecordItemBuilder().setMappingRecord(mapping).build());
+ }
+ requestHandler.handleMapReply(replyBuilder.build());
+ }
+
+ private static boolean isEqualIpVersion(IpAddressBinary srcRloc, Rloc rloc) {
+ if (srcRloc.getIpv4AddressBinary() != null) {
+ if (rloc.getAddressType() == Ipv4Afi.class
+ || rloc.getAddressType() == Ipv4BinaryAfi.class
+ || rloc.getAddressType() == Ipv4PrefixAfi.class
+ || rloc.getAddressType() == Ipv4PrefixBinaryAfi.class) {
+ return true;
}
+ } else if (rloc.getAddressType() == Ipv6Afi.class
+ || rloc.getAddressType() == Ipv6BinaryAfi.class
+ || rloc.getAddressType() == Ipv6PrefixAfi.class
+ || rloc.getAddressType() == Ipv6PrefixBinaryAfi.class) {
+ return true;
+ }
+ return false;
+ }
+ private Rloc resolveRloc(List<ItrRloc> itrRlocList, IpAddressBinary srcRloc) {
+ if (srcRloc == null) {
+ return itrRlocList.get(0).getRloc();
+ }
+ byte[] srcRlocByte;
+ if (srcRloc.getIpv4AddressBinary() != null) {
+ srcRlocByte = srcRloc.getIpv4AddressBinary().getValue();
} else {
- MapReplyBuilder builder = new MapReplyBuilder();
- builder.setEchoNonceEnabled(false);
- builder.setProbe(false);
- builder.setSecurityEnabled(false);
- builder.setNonce(request.getNonce());
- builder.setEidToLocatorRecord(new ArrayList<EidToLocatorRecord>());
- for (EidRecord eid : request.getEidRecord()) {
- EidToLocatorRecordBuilder recordBuilder = new EidToLocatorRecordBuilder();
- recordBuilder.setRecordTtl(0);
- recordBuilder.setAction(Action.NoAction);
- recordBuilder.setAuthoritative(false);
- recordBuilder.setMapVersion((short) 0);
- recordBuilder.setMaskLength(eid.getMask());
- recordBuilder.setLispAddressContainer(eid.getLispAddressContainer());
- recordBuilder.setLocatorRecord(new ArrayList<LocatorRecord>());
- List<MappingServiceRLOCGroup> locators = getLocators(eid);
- if (locators != null && locators.size() > 0) {
- addLocatorGroups(recordBuilder, locators);
- if (itrRloc != null) {
- MappingServiceSubscriberRLOC subscriberRloc = new MappingServiceSubscriberRLOC(itrRloc);
- HashSet<MappingServiceSubscriberRLOC> subscribers = getSubscribers(eid.getLispAddressContainer(), eid.getMask());
- if (subscribers == null) {
- subscribers = new HashSet<MappingServiceSubscriberRLOC>();
- } 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);
- }
- IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(eid.getLispAddressContainer(), eid.getMask());
- subscribers.add(subscriberRloc);
- dao.put(key, new MappingEntry<HashSet<MappingServiceSubscriberRLOC>>(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);
+ srcRlocByte = srcRloc.getIpv6AddressBinary().getValue();
+ }
- }
- }
- builder.getEidToLocatorRecord().add(recordBuilder.build());
- }
+ Rloc equalIpvRloc = null;
+ for (ItrRloc itrRloc : itrRlocList) {
+ final Rloc rloc = itrRloc.getRloc();
+ final byte[] itrRlocByte = LispAddressUtil.ipAddressToByteArray(rloc.getAddress());
- callback.handleMapReply(builder.build());
+ // return an Rloc equal to the source Rloc
+ if (itrRlocByte != null && LispAddressUtil.compareIpAddressByteArrays(srcRlocByte, itrRlocByte) == 0) {
+ return rloc;
+ }
+ // else lookup the first Rloc with identical Ip version
+ if (equalIpvRloc == null && isEqualIpVersion(srcRloc, rloc)) {
+ equalIpvRloc = rloc;
+ }
+ }
+ if (equalIpvRloc != null) {
+ return equalIpvRloc;
+ } else {
+ // if none of the above, return the first Rloc
+ return itrRlocList.get(0).getRloc();
}
}
- private List<MappingServiceRLOCGroup> getLocators(EidRecord eid) {
- IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(eid.getLispAddressContainer(), eid.getMask());
- Map<String, ?> locators = dao.get(key);
- List<MappingServiceRLOCGroup> result = aggregateLocators(locators);
- if (shouldIterateMask() && result.isEmpty() && MaskUtil.isMaskable(key.getEID().getAddress())) {
- result = findMaskLocators(key);
+ private MappingRecord getNegativeMapping(Eid eid) {
+ MappingRecordBuilder recordBuilder = new MappingRecordBuilder();
+ recordBuilder.setAuthoritative(false);
+ recordBuilder.setMapVersion((short) 0);
+ if (eid.getAddressType().equals(Ipv4PrefixBinaryAfi.class)
+ || eid.getAddressType().equals(Ipv6PrefixBinaryAfi.class)) {
+ recordBuilder.setEid(mapService.getWidestNegativePrefix(eid));
+ } else {
+ recordBuilder.setEid(eid);
}
- return result;
+ recordBuilder.setAction(Action.NativelyForward);
+ if (authenticate && mapService.getAuthenticationKey(eid) != null) {
+ recordBuilder.setRecordTtl(TTL_RLOC_TIMED_OUT);
+ } else {
+ recordBuilder.setRecordTtl(TTL_NO_RLOC_KNOWN);
+ }
+ return recordBuilder.build();
}
- private List<MappingServiceRLOCGroup> aggregateLocators(Map<String, ?> locators) {
- List<MappingServiceRLOCGroup> result = new ArrayList<MappingServiceRLOCGroup>();
- if (locators != null) {
- for (Object value : locators.values()) {
- if (value != null && value instanceof MappingServiceRLOCGroup) {
- if (!((MappingServiceRLOCGroup) value).getRecords().isEmpty()) {
- result.add((MappingServiceRLOCGroup) value);
- }
- }
- }
+ private void updateSubscribers(Rloc itrRloc, Eid reqEid, Eid mapEid, Eid srcEid) {
+ SubscriberRLOC subscriberRloc = new SubscriberRLOC(itrRloc, srcEid);
+ Eid subscribedEid = mapEid;
+
+ // If the eid in the matched mapping is SourceDest and the requested eid IS NOT then we subscribe itrRloc only
+ // to dst from the src/dst since that what's been requested. Note though that any updates to to the src/dst
+ // mapping will be pushed to dst as well (see sendSMRs in MapServer)
+ if (mapEid.getAddressType().equals(SourceDestKeyLcaf.class)
+ && !reqEid.getAddressType().equals(SourceDestKeyLcaf.class)) {
+ subscribedEid = SourceDestKeyHelper.getDstBinary(mapEid);
}
- return result;
- }
- private Object getLocatorsSpecific(EidRecord eid, String subkey) {
- IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(eid.getLispAddressContainer(), eid.getMask());
- Object locators = dao.getSpecific(key, subkey);
- if (shouldIterateMask() && locators == null && MaskUtil.isMaskable(key.getEID().getAddress())) {
- locators = findMaskLocatorsSpecific(key, subkey);
+ Set<SubscriberRLOC> subscribers = getSubscribers(subscribedEid);
+ if (subscribers == null) {
+ subscribers = Sets.newConcurrentHashSet();
+ } 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 (LOG.isTraceEnabled()) {
+ LOG.trace("Adding new subscriber: " + LispAddressStringifier.getString(subscriberRloc.getSrcRloc()));
}
- return locators;
+ subscribers.add(subscriberRloc);
+ addSubscribers(subscribedEid, subscribers);
}
- private Object findMaskLocatorsSpecific(IMappingServiceKey key, String subkey) {
- int mask = key.getMask();
- while (mask > 0) {
- key = MappingServiceKeyUtil.generateMappingServiceKey(
- new LispAddressContainerBuilder().setAddress(MaskUtil.normalize(key.getEID().getAddress(), mask)).build(), mask);
- mask--;
- Object locators = dao.getSpecific(key, subkey);
- if (locators != null) {
- return locators;
- }
+ // Fixes mapping if request was for simple dst EID but the matched mapping is a SourceDest
+ private MappingRecord fixIfNotSDRequest(MappingRecord mapping, Eid dstEid) {
+ if (mapping.getEid().getAddress() instanceof SourceDestKey
+ && !(dstEid.getAddress() instanceof SourceDestKey)) {
+ return new MappingRecordBuilder(mapping).setEid(
+ SourceDestKeyHelper.getDstBinary(mapping.getEid())).build();
}
- return null;
+ return mapping;
}
- private List<MappingServiceRLOCGroup> findMaskLocators(IMappingServiceKey key) {
- int mask = key.getMask();
- while (mask > 0) {
- key = MappingServiceKeyUtil.generateMappingServiceKey(
- new LispAddressContainerBuilder().setAddress(MaskUtil.normalize(key.getEID().getAddress(), mask)).build(), mask);
- mask--;
- Map<String, ?> locators = dao.get(key);
- if (locators != null) {
- List<MappingServiceRLOCGroup> result = aggregateLocators(locators);
- if (result != null && !result.isEmpty()) {
- return result;
- }
+ private boolean locatorsNeedFixing(List<LocatorRecord> locatorRecords) {
+ for (LocatorRecord record : locatorRecords) {
+ if (record.getRloc().getAddress() instanceof ExplicitLocatorPath) {
+ return true;
}
}
- return null;
+ return false;
}
- private void addLocatorGroups(EidToLocatorRecordBuilder recordBuilder, List<MappingServiceRLOCGroup> rlocs) {
- for (MappingServiceRLOCGroup rloc : rlocs) {
- addLocators(recordBuilder, rloc);
- recordBuilder.setRecordTtl(rloc.getTtl());
+ // Process locators according to configured policy
+ private MappingRecord updateLocators(MappingRecord mapping, List<ItrRloc> itrRlocs) {
+ // no fixing if elpPolicy is default
+ if (elpPolicy.equalsIgnoreCase("default")) {
+ return mapping;
}
- }
- private void addLocators(EidToLocatorRecordBuilder recordBuilder, MappingServiceRLOCGroup locatorObject) {
- if (locatorObject == null) {
- return;
+ List<LocatorRecord> locatorRecords = mapping.getLocatorRecord();
+
+ // if no updated is needed, just return the mapping
+ if (!locatorsNeedFixing(locatorRecords)) {
+ return mapping;
}
+
+ MappingRecordBuilder recordBuilder = new MappingRecordBuilder(mapping);
+ recordBuilder.setLocatorRecord(new ArrayList<LocatorRecord>());
try {
- for (LocatorRecord record : locatorObject.getRecords()) {
- 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(record.getLispAddressContainer()).build());
+ for (LocatorRecord record : locatorRecords) {
+ Rloc container = record.getRloc();
+
+ // For non-ELP RLOCs, or when ELP policy is default, or itrRlocs is null, just add the locator and be
+ // done
+ if ((!(container.getAddress() instanceof ExplicitLocatorPath))
+ || elpPolicy.equalsIgnoreCase("default") || itrRlocs == null) {
+ recordBuilder.getLocatorRecord().add(
+ new LocatorRecordBuilder().setLocalLocator(record.isLocalLocator())
+ .setRlocProbed(record.isRlocProbed()).setWeight(record.getWeight())
+ .setPriority(record.getPriority()).setMulticastWeight(record.getMulticastWeight())
+ .setMulticastPriority(record.getMulticastPriority()).setRouted(record.isRouted())
+ .setRloc(container).setLocatorId(record.getLocatorId()).build());
+ continue;
+ }
+
+ ExplicitLocatorPath teAddress = ((ExplicitLocatorPath) container.getAddress());
+ SimpleAddress nextHop = getNextELPHop(teAddress, 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(record.isRouted()).setRloc(container)
+ .setLocatorId(record.getLocatorId()).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(record.isRouted())
+ .setRloc(LispAddressUtil.toRloc(nextHop))
+ .setLocatorId(record.getLocatorId()).build());
+ }
}
- recordBuilder.setAction(locatorObject.getAction());
- recordBuilder.setAuthoritative(locatorObject.isAuthoritative());
- recordBuilder.setRecordTtl(locatorObject.getTtl());
} catch (ClassCastException cce) {
+ LOG.error("Class Cast Exception while building EidToLocatorRecord: {}", ExceptionUtils.getStackTrace(cce));
}
+
+ return recordBuilder.build();
}
+ private SimpleAddress getNextELPHop(ExplicitLocatorPath elp, List<ItrRloc> itrRlocs) {
+ SimpleAddress nextHop = null;
+ List<Hop> hops = elp.getExplicitLocatorPath().getHop();
+
+ if (hops != null && hops.size() > 0) {
+ // By default we return the first hop
+ nextHop = hops.get(0).getAddress();
+ for (Hop hop : hops) {
+ Address hopAddress = LispAddressUtil.addressFromSimpleAddress(hop.getAddress());
+ for (ItrRloc itrRloc : itrRlocs) {
+ if (itrRloc.getRloc().getAddress().equals(hopAddress)) {
+ int iterator = hops.indexOf(hop);
+ if (iterator < hops.size() - 1) {
+ nextHop = hops.get(iterator + 1).getAddress();
+ return nextHop;
+ }
+ }
+ }
+ }
+ }
+
+ return nextHop;
+ }
+
+ @SuppressWarnings("unchecked")
+ private Set<SubscriberRLOC> getSubscribers(Eid address) {
+ return (Set<SubscriberRLOC>) mapService.getData(MappingOrigin.Southbound, address, SubKeys.SUBSCRIBERS);
+ }
+
+ private void addSubscribers(Eid address, Set<SubscriberRLOC> subscribers) {
+ mapService.addData(MappingOrigin.Southbound, address, SubKeys.SUBSCRIBERS, subscribers);
+ }
+
+ @Override
+ public void setSubscriptionService(boolean smr) {
+ subscriptionService = smr;
+ }
+
+ @Override
+ public void setElpPolicy(String elpPolicy) {
+ this.elpPolicy = elpPolicy;
+ }
+
+ @Override
+ public void setShouldAuthenticate(boolean shouldAuthenticate) {
+ this.authenticate = shouldAuthenticate;
+ }
}
Code Review / lispflowmapping.git / blobdiff