/*
- * 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.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.Map.Entry;
+import org.apache.commons.lang3.BooleanUtils;
+import org.apache.commons.lang3.exception.ExceptionUtils;
import org.opendaylight.lispflowmapping.implementation.authentication.LispAuthenticationUtil;
+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.MapNotifyBuilderHelper;
+import org.opendaylight.lispflowmapping.inmemorydb.HashMapDb;
+import org.opendaylight.lispflowmapping.implementation.util.MaskUtil;
import org.opendaylight.lispflowmapping.interfaces.dao.ILispDAO;
-import org.opendaylight.lispflowmapping.interfaces.dao.ILispDAO.MappingEntry;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceKey;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceNoMaskKey;
-import org.opendaylight.lispflowmapping.interfaces.dao.MappingServiceValue;
-import org.opendaylight.lispflowmapping.interfaces.lisp.IMapServer;
-import org.opendaylight.lispflowmapping.type.lisp.EidToLocatorRecord;
-import org.opendaylight.lispflowmapping.type.lisp.LocatorRecord;
-import org.opendaylight.lispflowmapping.type.lisp.MapNotify;
-import org.opendaylight.lispflowmapping.type.lisp.MapRegister;
-import org.opendaylight.lispflowmapping.type.lisp.address.IMaskable;
-import org.opendaylight.lispflowmapping.type.lisp.address.LispAddress;
+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 org.opendaylight.lispflowmapping.interfaces.lisp.IMapNotifyHandler;
+import org.opendaylight.lispflowmapping.interfaces.lisp.IMapServerAsync;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LispAFIAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.MapRegister;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.eidrecords.EidRecordBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.eidtolocatorrecords.EidToLocatorRecord;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.eidtolocatorrecords.EidToLocatorRecordBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.LispAddressContainer;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.lispaddresscontainer.Address;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.lispaddresscontainer.address.LcafKeyValue;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.lispaddresscontainer.address.LcafSourceDest;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispsimpleaddress.primitiveaddress.DistinguishedName;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.locatorrecords.LocatorRecord;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.mapnotifymessage.MapNotifyBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.maprequest.ItrRloc;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.maprequest.ItrRlocBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.maprequest.SourceEidBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.maprequestnotification.MapRequestBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class MapServer implements IMapServer {
- private ILispDAO dao;
- protected static final Logger logger = LoggerFactory.getLogger(MapServer.class);
+public class MapServer extends AbstractLispComponent implements IMapServerAsync {
+
+ protected static final Logger LOG = LoggerFactory.getLogger(MapServer.class);
+
+ private static final ConfigIni configIni = new ConfigIni();
+ private static final boolean overwriteConfig = configIni.mappingOverwriteIsSet();
+ private boolean overwrite;
public MapServer(ILispDAO dao) {
- this.dao = dao;
+ this(dao, overwriteConfig);
+ }
+
+ public MapServer(ILispDAO dao, boolean overwrite) {
+ this(dao, overwrite, true);
+ }
+
+ public MapServer(ILispDAO dao, boolean overwrite, boolean authenticate) {
+ this(dao, overwrite, authenticate, true);
+ }
+
+ public MapServer(ILispDAO dao, boolean overwrite, boolean authenticate, boolean iterateAuthenticationMask) {
+ super(dao, authenticate, iterateAuthenticationMask);
+ this.overwrite = overwrite;
+ }
+
+ private static InetAddress getLocalAddress() {
+ try {
+ Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+ while (interfaces.hasMoreElements()) {
+ NetworkInterface current = interfaces.nextElement();
+ LOG.debug("Interface " + current.toString());
+ if (!current.isUp() || current.isLoopback() || current.isVirtual())
+ continue;
+ Enumeration<InetAddress> addresses = current.getInetAddresses();
+ while (addresses.hasMoreElements()) {
+ InetAddress current_addr = addresses.nextElement();
+ // Skip loopback and link local addresses
+ if (current_addr.isLoopbackAddress() || current_addr.isLinkLocalAddress())
+ continue;
+ LOG.debug(current_addr.getHostAddress());
+ return current_addr;
+ }
+ }
+ } catch (SocketException se) {
+ }
+ return null;
+ }
+
+ private static MapRequestBuilder buildSMR(LispAddressContainer srcEid) {
+ MapRequestBuilder builder = new MapRequestBuilder();
+ builder.setAuthoritative(false);
+ builder.setMapDataPresent(false);
+ builder.setPitr(false);
+ builder.setProbe(false);
+ builder.setSmr(true);
+ builder.setSmrInvoked(false);
+
+ builder.setEidRecord(new ArrayList<org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.eidrecords.EidRecord>());
+ // The address stored in the SMR's EID record is used as Source EID in the SMR-invoked Map-Request. To
+ // ensure consistent behavior it is set to the value used to originally request a given mapping
+ builder.getEidRecord().add(new EidRecordBuilder()
+ .setMask((short)MaskUtil.getMaxMask(LispAFIConvertor.toAFI(srcEid)))
+ .setLispAddressContainer(srcEid).build());
+ builder.setItrRloc(new ArrayList<ItrRloc>());
+ builder.getItrRloc().add(new ItrRlocBuilder().setLispAddressContainer(LispAFIConvertor.toContainer(getLocalAddress())).build());
+ builder.setMapReply(null);
+ builder.setNonce(new Random().nextLong());
+
+ return builder;
}
- public MapNotify handleMapRegister(MapRegister mapRegister) {
+ public void handleMapRegister(MapRegister mapRegister, boolean smr, IMapNotifyHandler callback) {
if (dao == null) {
- logger.warn("handleMapRegister called while dao is uninitialized");
- return null;
- }
- if (!LispAuthenticationUtil.validate(mapRegister)) {
- return null;
- }
- EidToLocatorRecord eidRecord = mapRegister.getEidToLocatorRecords().get(0);
- List<MappingEntry<?>> rlocs = new ArrayList<ILispDAO.MappingEntry<?>>();
- rlocs.add(new MappingEntry<Integer>("NumRLOCs", eidRecord.getLocators().size()));
- int i = 0;
- for (LocatorRecord locatorRecord : eidRecord.getLocators()) {
- rlocs.add(new MappingEntry<MappingServiceValue>("RLOC" + (i++), new MappingServiceValue(locatorRecord, eidRecord.getRecordTtl())));
- }
- if (eidRecord.getPrefix() instanceof IMaskable && eidRecord.getMaskLength() > 0 && eidRecord.getMaskLength() < ((IMaskable)eidRecord.getPrefix()).getMaxMask()) {
- ((IMaskable)eidRecord.getPrefix()).normalize(eidRecord.getMaskLength());
- dao.put(new MappingServiceKey(eidRecord.getPrefix(), (byte)eidRecord.getMaskLength()), rlocs.toArray(new MappingEntry[rlocs.size()]));
+ LOG.warn("handleMapRegister called while dao is uninitialized");
} else {
- dao.put(new MappingServiceNoMaskKey(eidRecord.getPrefix()), rlocs.toArray(new MappingEntry[rlocs.size()]));
-
+ boolean failed = false;
+ String password = null;
+ for (EidToLocatorRecord eidRecord : mapRegister.getEidToLocatorRecord()) {
+ if (shouldAuthenticate()) {
+ password = getPassword(eidRecord.getLispAddressContainer(), eidRecord.getMaskLength());
+ if (!LispAuthenticationUtil.validate(mapRegister, password)) {
+ LOG.warn("Authentication failed");
+ failed = true;
+ break;
+ }
+ }
+ boolean mappingChanged = saveRlocs(eidRecord, smr);
+ if (smr && mappingChanged) {
+ sendSmrs(eidRecord, callback);
+ }
+ }
+ if (!failed) {
+ MapNotifyBuilder builder = new MapNotifyBuilder();
+ if (BooleanUtils.isTrue(mapRegister.isWantMapNotify())) {
+ LOG.trace("MapRegister wants MapNotify");
+ MapNotifyBuilderHelper.setFromMapRegister(builder, mapRegister);
+ if (shouldAuthenticate()) {
+ builder.setAuthenticationData(LispAuthenticationUtil.createAuthenticationData(builder.build(), password));
+ }
+ callback.handleMapNotify(builder.build());
+ }
+ }
+ }
+ }
+
+ public boolean saveRlocs(EidToLocatorRecord eidRecord, boolean checkForChanges) {
+ Map<String, MappingServiceRLOCGroup> rlocGroups = new HashMap<String, MappingServiceRLOCGroup>();
+ if (eidRecord.getLocatorRecord() != null) {
+ for (LocatorRecord locatorRecord : eidRecord.getLocatorRecord()) {
+ String subkey = getAddressKey(locatorRecord.getLispAddressContainer().getAddress());
+ if (!rlocGroups.containsKey(subkey)) {
+ rlocGroups.put(subkey, new MappingServiceRLOCGroup(eidRecord.getRecordTtl(), eidRecord.getAction(), eidRecord.isAuthoritative()));
+ }
+ rlocGroups.get(subkey).addRecord(locatorRecord);
+ }
}
- MapNotify mapNotify = null;
- if (mapRegister.isWantMapNotify()) {
- mapNotify = new MapNotify();
- mapNotify.setFromMapRegister(mapRegister);
- mapNotify.setAuthenticationData(LispAuthenticationUtil.getAuthenticationData(mapNotify));
+ List<MappingEntry<MappingServiceRLOCGroup>> entries = new ArrayList<>();
+ for (String subkey : rlocGroups.keySet()) {
+ entries.add(new MappingEntry<>(subkey, rlocGroups.get(subkey)));
+ }
+
+ if (eidRecord.getLispAddressContainer().getAddress() instanceof LcafSourceDest) {
+ Entry<IMappingServiceKey, List<MappingServiceRLOCGroup>> oldMapping= null, newMapping = null;
+ LispAFIAddress srcAddr = getSrcForLcafSrcDst(eidRecord.getLispAddressContainer());
+ LispAFIAddress dstAddr = getDstForLcafSrcDst(eidRecord.getLispAddressContainer());
+ short srcMask = getSrcMaskForLcafSrcDst(eidRecord.getLispAddressContainer());
+ short dstMask = getDstMaskForLcafSrcDst(eidRecord.getLispAddressContainer());
+
+ if (checkForChanges) {
+ oldMapping = DAOMappingUtil.getMappingExact(srcAddr, dstAddr, srcMask, dstMask, dao);
+ }
+ IMappingServiceKey dstKey = MappingServiceKeyUtil.generateMappingServiceKey(dstAddr, dstMask);
+ ILispDAO srcDstDao = (ILispDAO) dao.getSpecific(dstKey, LCAF_SRCDST_SUBKEY);
+ if (srcDstDao == null) {
+ srcDstDao = new HashMapDb();
+ dao.put(dstKey, new MappingEntry<>(LCAF_SRCDST_SUBKEY, srcDstDao));
+ }
+ IMappingServiceKey srcKey = MappingServiceKeyUtil.generateMappingServiceKey(srcAddr, srcMask);
+ srcDstDao.put(srcKey, entries.toArray(new MappingEntry[entries.size()]));
+ if (checkForChanges) {
+ newMapping = DAOMappingUtil.getMappingExact(srcAddr, dstAddr, srcMask, dstMask, dao);
+ return (newMapping.getValue() == null) ? oldMapping.getValue() != null :
+ !newMapping.getValue().equals(oldMapping.getValue());
+ }
+ } else {
+ List<MappingServiceRLOCGroup> oldLocators = null, newLocators = null;
+ if (checkForChanges) {
+ oldLocators = DAOMappingUtil.getLocatorsByEidToLocatorRecord(eidRecord, dao, shouldIterateMask());
+ }
+ IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(eidRecord.getLispAddressContainer(),
+ eidRecord.getMaskLength());
+ dao.put(key, entries.toArray(new MappingEntry[entries.size()]));
+ if (checkForChanges) {
+ newLocators = DAOMappingUtil.getLocatorsByEidToLocatorRecord(eidRecord, dao, shouldIterateMask());
+ return (newLocators == null) ? oldLocators != null : !newLocators.equals(oldLocators);
+ }
}
- return mapNotify;
+ return false;
}
- public String getAuthenticationKey(LispAddress address, int maskLen) {
- return null;
+ private String getAddressKey(Address address) {
+ if (address instanceof LcafKeyValue) {
+ LcafKeyValue keyVal = (LcafKeyValue) address;
+ if (keyVal.getLcafKeyValueAddressAddr().getKey().getPrimitiveAddress() instanceof DistinguishedName) {
+ return ((DistinguishedName) keyVal.getLcafKeyValueAddressAddr().getKey().getPrimitiveAddress()).getDistinguishedNameAddress().getDistinguishedName();
+ }
+ }
+ if (shouldOverwrite()) {
+ return ADDRESS_SUBKEY;
+ } else {
+ return String.valueOf(address.hashCode());
+ }
}
- public boolean removeAuthenticationKey(LispAddress address, int maskLen) {
- return false;
+ public String getAuthenticationKey(LispAddressContainer address, int maskLen) {
+ return getPassword(address, maskLen);
}
- public boolean addAuthenticationKey(LispAddress address, int maskLen, String key) {
- return false;
+ public void removeAuthenticationKey(LispAddressContainer address, int maskLen) {
+ if (address.getAddress() instanceof LcafSourceDest) {
+ ILispDAO srcDstDao = getSrcDstInnerDao(address, maskLen);
+ if (srcDstDao != null) {
+ IMappingServiceKey srcKey = MappingServiceKeyUtil.generateMappingServiceKey(getSrcForLcafSrcDst(address),
+ getSrcMaskForLcafSrcDst(address));
+ srcDstDao.removeSpecific(srcKey, PASSWORD_SUBKEY);
+ }
+ } else {
+ IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(address, maskLen);
+ dao.removeSpecific(key, PASSWORD_SUBKEY);
+ }
+ }
+
+ public void addAuthenticationKey(LispAddressContainer address, int maskLen, String key) {
+ IMappingServiceKey mappingServiceKey = MappingServiceKeyUtil.generateMappingServiceKey(address, maskLen);
+ if (address.getAddress() instanceof LcafSourceDest) {
+ IMappingServiceKey srcKey = MappingServiceKeyUtil.generateMappingServiceKey(getSrcForLcafSrcDst(address),
+ getSrcMaskForLcafSrcDst(address));
+ ILispDAO srcDstDao = getOrInstantiateSrcDstInnerDao(address, maskLen);
+ srcDstDao.put(srcKey, new MappingEntry<String>(PASSWORD_SUBKEY, key));
+ } else {
+ dao.put(mappingServiceKey, new MappingEntry<String>(PASSWORD_SUBKEY, key));
+ }
+ }
+
+ public void removeMapping(LispAddressContainer address, int maskLen, boolean smr, IMapNotifyHandler callback) {
+ Entry<IMappingServiceKey, List<MappingServiceRLOCGroup>> mapping;
+ ILispDAO db;
+ if (address.getAddress() instanceof LcafSourceDest) {
+ db = getSrcDstInnerDao(address, maskLen);
+ LispAFIAddress srcAddr = getSrcForLcafSrcDst(address);
+ short srcMask = getSrcMaskForLcafSrcDst(address);
+ mapping = DAOMappingUtil.getMappingForEid(srcAddr, srcMask, db);
+ } else {
+ db = dao;
+ mapping = DAOMappingUtil.getMappingForEid(LispAFIConvertor.toAFI(address), maskLen, db);
+ }
+ if (smr) {
+ HashSet<MappingServiceSubscriberRLOC> subscribers = getSubscribers(address, maskLen);
+ // mapping is removed before first SMR is sent to avoid inconsistent replies
+ removeMappingRlocs(mapping, db);
+ handleSmr(new EidToLocatorRecordBuilder().setLispAddressContainer(address).
+ setMaskLength((short) maskLen).build(), subscribers, callback);
+ db.removeSpecific(mapping.getKey(), SUBSCRIBERS_SUBKEY);
+ } else {
+ removeMappingRlocs(mapping, db);
+ db.removeSpecific(mapping.getKey(), SUBSCRIBERS_SUBKEY);
+ }
+ }
+
+ private void removeMappingRlocs(Entry<IMappingServiceKey, List<MappingServiceRLOCGroup>> mapping, ILispDAO db) {
+ if (mapping == null || mapping.getValue() == null) {
+ return;
+ }
+ for (MappingServiceRLOCGroup group : mapping.getValue()) {
+ for (LocatorRecord record : group.getRecords()) {
+ db.removeSpecific(mapping.getKey(), getAddressKey(record.getLispAddressContainer().getAddress()));
+ }
+ }
+ }
+
+ private void sendSmrs(EidToLocatorRecord record, IMapNotifyHandler callback) {
+ LispAddressContainer eid = record.getLispAddressContainer();
+ HashSet<MappingServiceSubscriberRLOC> subscribers;
+
+ subscribers = getSubscribers(eid, record.getMaskLength());
+ handleSmr(record, subscribers, callback);
+
+ // For SrcDst LCAF also send SMRs to Dst prefix
+ if (eid.getAddress() instanceof LcafSourceDest) {
+ LispAddressContainer dstAddr = LispAFIConvertor.toContainer(getDstForLcafSrcDst(eid));
+ short dstMask = getDstMaskForLcafSrcDst(eid);
+ subscribers = getSubscribers(dstAddr, dstMask);
+ EidToLocatorRecord newRecord = new EidToLocatorRecordBuilder().setAction(record.getAction()).
+ setAuthoritative(record.isAuthoritative()).setLocatorRecord(record.getLocatorRecord()).
+ setMapVersion(record.getMapVersion()).setRecordTtl(record.getRecordTtl()).
+ setLispAddressContainer(dstAddr).setMaskLength(dstMask).build();
+ handleSmr(newRecord, subscribers, callback);
+ }
+ }
+
+ private void handleSmr(EidToLocatorRecord record, HashSet<MappingServiceSubscriberRLOC> subscribers,
+ IMapNotifyHandler callback) {
+ if (subscribers == null) {
+ return;
+ }
+ MapRequestBuilder mrb = buildSMR(subscribers.iterator().next().getSrcEid());
+ LOG.trace("Built SMR packet: " + mrb.build().toString());
+ for (MappingServiceSubscriberRLOC subscriber : subscribers) {
+ if (subscriber.timedOut()) {
+ LOG.trace("Lazy removing expired subscriber entry " + subscriber.toString());
+ subscribers.remove(subscriber);
+ } else {
+ try {
+ // The Source EID in a SMR is used as EID record in the SMR-invoked Map-Request.
+ mrb.setSourceEid(new SourceEidBuilder().setLispAddressContainer(record.getLispAddressContainer()).build());
+ callback.handleSMR(mrb.build(), subscriber.getSrcRloc());
+ } catch (Exception e) {
+ LOG.error("Errors encountered while handling SMR:" + ExceptionUtils.getStackTrace(e));
+ }
+ }
+ }
+ IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(record.getLispAddressContainer(),
+ record.getMaskLength());
+ dao.put(key, new MappingEntry<HashSet<MappingServiceSubscriberRLOC>>(SUBSCRIBERS_SUBKEY, subscribers));
+ }
+
+ public boolean shouldOverwrite() {
+ return overwrite;
+ }
+
+ public void setOverwrite(boolean overwrite) {
+ this.overwrite = overwrite;
}
}
Code Review / lispflowmapping.git / blobdiff