/*
- * 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,
package org.opendaylight.lispflowmapping.implementation.lisp;
+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.MappingServiceKeyUtil;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceRLOC;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceValue;
-import org.opendaylight.lispflowmapping.interfaces.lisp.IMapReplyHandler;
+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.lispflowmapping.type.lisp.EidRecord;
-import org.opendaylight.lispflowmapping.type.lisp.EidToLocatorRecord;
-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.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.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class MapResolver implements IMapResolverAsync {
- private ILispDAO dao;
- private volatile boolean shouldAuthenticate;
- private volatile boolean shouldIterateMask;
+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 logger = LoggerFactory.getLogger(MapResolver.class);
public MapResolver(ILispDAO dao) {
}
public MapResolver(ILispDAO dao, boolean authenticate, boolean iterateMask) {
- this.dao = dao;
- this.shouldAuthenticate = authenticate;
- this.shouldIterateMask = iterateMask;
+ super(dao, authenticate, iterateMask);
}
- public void handleMapRequest(MapRequest request, IMapReplyHandler callback) {
+ public void handleMapRequest(MapRequest request, IMapRequestResultHandler callback) {
if (dao == null) {
logger.warn("handleMapRequest called while dao is uninitialized");
+ 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.getInetAddressFromContainer(locatorsGroup.getRecords().get(0).getLispAddressContainer()));
+ }
+ }
+ }
+
} else {
- 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<String, ?> locators = dao.get(key);
- if (shouldIterateMask() && locators == null && key.getEID() instanceof IMaskable) {
- locators = findMaskLocators(key);
+ 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 (getPassword(eid.getLispAddressContainer(), eid.getMask()) != null) {
+ recordBuilder.setRecordTtl(TTL_RLOC_TIMED_OUT);
+ } else {
+ recordBuilder.setRecordTtl(TTL_NO_RLOC_KNOWN);
+
+ }
}
- if (locators != null) {
- addLocators(eidToLocators, locators);
+ builder.getEidToLocatorRecord().add(recordBuilder.build());
+ }
+
+ callback.handleMapReply(builder.build());
+ }
+ }
+
+ 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);
+ }
+ return result;
+ }
+
+ 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);
+ }
}
- mapReply.addEidToLocator(eidToLocators);
}
- callback.handleMapReply(mapReply);
}
+ 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);
+ }
+ return locators;
}
- private Map<String, ?> findMaskLocators(IMappingServiceKey key) {
+ private Object findMaskLocatorsSpecific(IMappingServiceKey key, String subkey) {
int mask = key.getMask();
while (mask > 0) {
- key = MappingServiceKeyUtil.generateMappingServiceKey(key.getEID(), (byte) mask);
-
- ((IMaskable) key.getEID()).normalize(mask);
+ key = MappingServiceKeyUtil.generateMappingServiceKey(
+ new LispAddressContainerBuilder().setAddress(MaskUtil.normalize(key.getEID().getAddress(), mask)).build(), mask);
mask--;
- Map<String, ?> locators = dao.get(key);
+ Object locators = dao.getSpecific(key, subkey);
if (locators != null) {
return locators;
}
return null;
}
- private void addLocators(EidToLocatorRecord eidToLocators, Map<String, ?> locators) {
- try {
- MappingServiceValue value = (MappingServiceValue) locators.get("value");
- for (MappingServiceRLOC rloc : value.getRlocs()) {
- addLocator(eidToLocators, rloc);
-
+ 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;
+ }
}
- } catch (ClassCastException cce) {
+ }
+ return null;
+ }
+
+ private void addLocatorGroups(EidToLocatorRecordBuilder recordBuilder, List<MappingServiceRLOCGroup> rlocs) {
+ for (MappingServiceRLOCGroup rloc : rlocs) {
+ addLocators(recordBuilder, rloc);
+ recordBuilder.setRecordTtl(rloc.getTtl());
}
}
- private void addLocator(EidToLocatorRecord eidToLocators, MappingServiceRLOC locatorObject) {
+ private void addLocators(EidToLocatorRecordBuilder recordBuilder, MappingServiceRLOCGroup locatorObject) {
if (locatorObject == null) {
return;
}
try {
- eidToLocators.addLocator(locatorObject.getRecord().clone().setRouted(true));
- eidToLocators.setAction(locatorObject.getAction());
- eidToLocators.setAuthoritative(locatorObject.isAuthoritative());
- eidToLocators.setRecordTtl(locatorObject.getTtl());
+ 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());
+ }
+ recordBuilder.setAction(locatorObject.getAction());
+ recordBuilder.setAuthoritative(locatorObject.isAuthoritative());
+ recordBuilder.setRecordTtl(locatorObject.getTtl());
} catch (ClassCastException cce) {
}
}
- public boolean shouldIterateMask() {
- return shouldIterateMask;
- }
-
- public boolean shouldAuthenticate() {
- return shouldAuthenticate;
- }
-
- public void setShouldIterateMask(boolean shouldIterateMask) {
- this.shouldIterateMask = shouldIterateMask;
- }
-
- public void setShouldAuthenticate(boolean shouldAuthenticate) {
- this.shouldAuthenticate = shouldAuthenticate;
- }
-
}
Code Review / lispflowmapping.git / blobdiff