/*
- * Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
+ * Copyright (c) 2015, 2017 Cisco Systems, Inc. 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,
package org.opendaylight.lispflowmapping.implementation;
+import java.util.AbstractMap.SimpleImmutableEntry;
import java.util.ArrayList;
import java.util.Date;
import java.util.EnumMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
-
+import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.lispflowmapping.config.ConfigIni;
import org.opendaylight.lispflowmapping.dsbackend.DataStoreBackEnd;
import org.opendaylight.lispflowmapping.implementation.timebucket.implementation.TimeBucketMappingTimeoutService;
import org.opendaylight.lispflowmapping.implementation.timebucket.interfaces.ISouthBoundMappingTimeoutService;
import org.opendaylight.lispflowmapping.implementation.util.DSBEInputUtil;
+import org.opendaylight.lispflowmapping.implementation.util.MSNotificationInputUtil;
import org.opendaylight.lispflowmapping.implementation.util.MappingMergeUtil;
import org.opendaylight.lispflowmapping.interfaces.dao.ILispDAO;
import org.opendaylight.lispflowmapping.interfaces.dao.SubKeys;
+import org.opendaylight.lispflowmapping.interfaces.dao.Subscriber;
import org.opendaylight.lispflowmapping.interfaces.mapcache.IAuthKeyDb;
import org.opendaylight.lispflowmapping.interfaces.mapcache.ILispMapCache;
import org.opendaylight.lispflowmapping.interfaces.mapcache.IMapCache;
import org.opendaylight.lispflowmapping.interfaces.mapcache.IMappingSystem;
import org.opendaylight.lispflowmapping.interfaces.mappingservice.IMappingService;
+import org.opendaylight.lispflowmapping.lisp.type.LispMessage;
import org.opendaylight.lispflowmapping.lisp.type.MappingData;
import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
import org.opendaylight.lispflowmapping.lisp.util.LispAddressUtil;
+import org.opendaylight.lispflowmapping.lisp.util.MaskUtil;
import org.opendaylight.lispflowmapping.mapcache.AuthKeyDb;
import org.opendaylight.lispflowmapping.mapcache.MultiTableMapCache;
import org.opendaylight.lispflowmapping.mapcache.SimpleMapCache;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ServicePath;
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.Ipv4PrefixBinaryAfi;
+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.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4PrefixBinary;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6PrefixBinary;
import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.XtrId;
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.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.authkey.container.MappingAuthkey;
+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.MappingRecordBuilder;
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.MappingChange;
import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingOrigin;
import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.Mapping;
* mapping lookups.
*
* @author Florin Coras
+ * @author Lorand Jakab
*
*/
public class MappingSystem implements IMappingSystem {
private static final Logger LOG = LoggerFactory.getLogger(MappingSystem.class);
private static final String AUTH_KEY_TABLE = "authentication";
- private boolean notificationService;
+ private static final int TTL_RLOC_TIMED_OUT = 1;
+ private static final int TTL_NO_RLOC_KNOWN = 15;
+ private NotificationPublishService notificationPublishService;
private boolean mappingMerge;
private ILispDAO dao;
private ILispDAO sdao;
private ISouthBoundMappingTimeoutService sbMappingTimeoutService;
- public MappingSystem(ILispDAO dao, boolean iterateMask, boolean notifications, boolean mappingMerge) {
+ public MappingSystem(ILispDAO dao, boolean iterateMask, NotificationPublishService nps, boolean mappingMerge) {
this.dao = dao;
- this.notificationService = notifications;
+ this.notificationPublishService = nps;
this.mappingMerge = mappingMerge;
buildMapCaches();
smc.addData(key, SubKeys.TIME_BUCKET_ID, updatedBucketId);
}
+ @Override
+ public MappingData addNegativeMapping(Eid key) {
+ MappingRecord mapping = buildNegativeMapping(key);
+ MappingData mappingData = new MappingData(mapping);
+ smc.addMapping(mapping.getEid(), mappingData);
+ dsbe.addMapping(DSBEInputUtil.toMapping(MappingOrigin.Southbound, mapping.getEid(), null, mappingData));
+ return mappingData;
+ }
+
+ private MappingRecord buildNegativeMapping(Eid eid) {
+ MappingRecordBuilder recordBuilder = new MappingRecordBuilder();
+ recordBuilder.setAuthoritative(false);
+ recordBuilder.setMapVersion((short) 0);
+ recordBuilder.setEid(eid);
+ if (eid.getAddressType().equals(Ipv4PrefixBinaryAfi.class)
+ || eid.getAddressType().equals(Ipv6PrefixBinaryAfi.class)) {
+ Eid widestNegativePrefix = getWidestNegativePrefix(eid);
+ if (widestNegativePrefix != null) {
+ recordBuilder.setEid(widestNegativePrefix);
+ }
+ }
+ recordBuilder.setAction(LispMessage.NEGATIVE_MAPPING_ACTION);
+ if (getAuthenticationKey(eid) != null) {
+ recordBuilder.setRecordTtl(TTL_RLOC_TIMED_OUT);
+ } else {
+ recordBuilder.setRecordTtl(TTL_NO_RLOC_KNOWN);
+ }
+ return recordBuilder.build();
+ }
+
/*
* Since this method is only called when there is a hit in the southbound Map-Register cache, and that cache is
* not used when merge is on, it's OK to ignore the effects of timestamp changes on merging for now.
@Override
public void removeMapping(MappingOrigin origin, Eid key) {
+ Set<Subscriber> subscribers = null;
if (origin == MappingOrigin.Southbound) {
removeFromSbTimeoutService(key);
+ MappingData mapping = (MappingData) smc.getMapping(null, key);
+ if (mapping != null && !mapping.isNegative()) {
+ SimpleImmutableEntry<Eid, Set<Subscriber>> mergedNegativePrefix = computeMergedNegativePrefix(key);
+ if (mergedNegativePrefix != null) {
+ addNegativeMapping(mergedNegativePrefix.getKey());
+ subscribers = mergedNegativePrefix.getValue();
+ try {
+ notificationPublishService.putNotification(
+ MSNotificationInputUtil.toMappingChanged(mapping, subscribers, MappingChange.Created));
+ } catch (InterruptedException e) {
+ LOG.warn("Notification publication interrupted!");
+ }
+ }
+ }
}
tableMap.get(origin).removeMapping(key);
- if (notificationService) {
- // TODO
+ }
+
+ @SuppressWarnings("unchecked")
+ /*
+ * Returns the "merged" prefix and the subscribers of the prefixes that were merged.
+ */
+ private SimpleImmutableEntry<Eid, Set<Subscriber>> computeMergedNegativePrefix(Eid eid) {
+ // Variable to hold subscribers we collect along the way
+ Set<Subscriber> subscribers = null;
+
+ // If prefix sibling has a negative mapping, save its subscribers
+ Eid sibling = smc.getSiblingPrefix(eid);
+ MappingData mapping = (MappingData) smc.getMapping(null, sibling);
+ if (mapping != null && mapping.isNegative()) {
+ subscribers = (Set<Subscriber>) getData(MappingOrigin.Southbound, eid, SubKeys.SUBSCRIBERS);
+ } else {
+ return null;
+ }
+
+ Eid currentNode = sibling;
+ Eid previousNode = sibling;
+ while ((currentNode = smc.getVirtualParentSiblingPrefix(currentNode)) != null) {
+ mapping = (MappingData) smc.getMapping(null, currentNode);
+ if (mapping != null && mapping.isNegative()) {
+ subscribers.addAll((Set<Subscriber>)
+ getData(MappingOrigin.Southbound, currentNode, SubKeys.SUBSCRIBERS));
+ removeSbMapping(currentNode, mapping);
+ } else {
+ break;
+ }
+ previousNode = currentNode;
+ }
+ return new SimpleImmutableEntry<>(getVirtualParent(previousNode), subscribers);
+ }
+
+ private static Eid getVirtualParent(Eid eid) {
+ if (eid.getAddress() instanceof Ipv4PrefixBinary) {
+ Ipv4PrefixBinary prefix = (Ipv4PrefixBinary) eid.getAddress();
+ short parentPrefixLength = (short) (prefix.getIpv4MaskLength() - 1);
+ byte[] parentPrefix = MaskUtil.normalizeByteArray(prefix.getIpv4AddressBinary().getValue(),
+ parentPrefixLength);
+ return LispAddressUtil.asIpv4PrefixBinaryEid(eid, parentPrefix, parentPrefixLength);
+ } else if (eid.getAddress() instanceof Ipv6PrefixBinary) {
+ Ipv6PrefixBinary prefix = (Ipv6PrefixBinary) eid.getAddress();
+ short parentPrefixLength = (short) (prefix.getIpv6MaskLength() - 1);
+ byte[] parentPrefix = MaskUtil.normalizeByteArray(prefix.getIpv6AddressBinary().getValue(),
+ parentPrefixLength);
+ return LispAddressUtil.asIpv6PrefixBinaryEid(eid, parentPrefix, parentPrefixLength);
}
+ return null;
}
@Override
Code Review / lispflowmapping.git / blobdiff