*/
package org.opendaylight.vpnservice.fibmanager;
+import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.Futures;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import com.google.common.util.concurrent.FutureCallback;
import org.opendaylight.vpnservice.AbstractDataChangeListener;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.vpnservice.mdsalutil.ActionInfo;
+import org.opendaylight.vpnservice.mdsalutil.ActionType;
+import org.opendaylight.vpnservice.mdsalutil.FlowEntity;
+import org.opendaylight.vpnservice.mdsalutil.InstructionInfo;
+import org.opendaylight.vpnservice.mdsalutil.InstructionType;
+import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
+import org.opendaylight.vpnservice.mdsalutil.MatchFieldType;
+import org.opendaylight.vpnservice.mdsalutil.MatchInfo;
+import org.opendaylight.vpnservice.mdsalutil.MetaDataUtil;
+import org.opendaylight.vpnservice.mdsalutil.NwConstants;
+import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnInstance1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTablesKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.vrfentries.VrfEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.l3nexthop.rev150409.GetEgressPointerInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.l3nexthop.rev150409.GetEgressPointerOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.l3nexthop.rev150409.L3nexthopService;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.FibEntries;
+import org.opendaylight.yangtools.yang.binding.RpcService;
+import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Optional;
-public class FibManager extends AbstractDataChangeListener<FibEntries> implements AutoCloseable{
+import java.math.BigInteger;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+public class FibManager extends AbstractDataChangeListener<VrfEntry> implements AutoCloseable{
private static final Logger LOG = LoggerFactory.getLogger(FibManager.class);
+ private static final String FLOWID_PREFIX = "L3.";
private ListenerRegistration<DataChangeListener> listenerRegistration;
private final DataBroker broker;
+ private final L3nexthopService l3nexthopService;
+ private IMdsalApiManager mdsalManager;
+
+ private static final short L3_FIB_TABLE = 20;
+ private static final short L3_LFIB_TABLE = 21;
+ private static final BigInteger COOKIE_VM_LFIB_TABLE = new BigInteger("8000002", 16);
+ private static final BigInteger COOKIE_VM_FIB_TABLE = new BigInteger("8000003", 16);
+ private static final int DEFAULT_FIB_FLOW_PRIORITY = 10;
+
private static final FutureCallback<Void> DEFAULT_CALLBACK =
new FutureCallback<Void>() {
};
};
- public FibManager(final DataBroker db) {
- super(FibEntries.class);
+ public FibManager(final DataBroker db, final RpcService nextHopService) {
+ super(VrfEntry.class);
broker = db;
+ l3nexthopService = (L3nexthopService)nextHopService;
registerListener(db);
}
LOG.info("Fib Manager Closed");
}
+
+ public void setMdsalManager(IMdsalApiManager mdsalManager) {
+ this.mdsalManager = mdsalManager;
+ }
+
private void registerListener(final DataBroker db) {
try {
listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
}
@Override
- protected void add(final InstanceIdentifier<FibEntries> identifier,
- final FibEntries fibEntries) {
- LOG.trace("key: " + identifier + ", value=" + fibEntries );
+ protected void add(final InstanceIdentifier<VrfEntry> identifier,
+ final VrfEntry vrfEntry) {
+ LOG.trace("key: " + identifier + ", value=" + vrfEntry );
+ createFibEntries(identifier, vrfEntry);
}
private <T extends DataObject> Optional<T> read(LogicalDatastoreType datastoreType,
return result;
}
- private InstanceIdentifier<FibEntries> getWildCardPath() {
- return InstanceIdentifier.create(FibEntries.class);
+ private InstanceIdentifier<VrfEntry> getWildCardPath() {
+ return InstanceIdentifier.create(FibEntries.class).child(VrfTables.class).child(VrfEntry.class);
}
@Override
- protected void remove(InstanceIdentifier<FibEntries> identifier, FibEntries del) {
+ protected void remove(InstanceIdentifier<VrfEntry> identifier, VrfEntry del) {
LOG.trace("key: " + identifier + ", value=" + del );
}
@Override
- protected void update(InstanceIdentifier<FibEntries> identifier, FibEntries original, FibEntries update) {
+ protected void update(InstanceIdentifier<VrfEntry> identifier, VrfEntry original, VrfEntry update) {
LOG.trace("key: " + identifier + ", original=" + original + ", update=" + update );
}
tx.put(datastoreType, path, data, true);
Futures.addCallback(tx.submit(), callback);
}
+
+ private void createFibEntries(final InstanceIdentifier<VrfEntry> identifier,
+ final VrfEntry vrfEntry) {
+ final VrfTablesKey vrfTableKey = identifier.firstKeyOf(VrfTables.class, VrfTablesKey.class);
+ Preconditions.checkNotNull(vrfTableKey, "VrfTablesKey cannot be null or empty!");
+ Preconditions.checkNotNull(vrfEntry, "VrfEntry cannot be null or empty!");
+
+ Long vpnId = getVpnId(vrfTableKey.getRouteDistinguisher());
+ Preconditions.checkNotNull(vpnId, "Vpn Instance not available!");
+ List<Long> dpns = getDpnsByVpn(vpnId);
+ for (Long dpId : dpns) {
+ addRouteInternal(dpId, vpnId, vrfTableKey, vrfEntry);
+ }
+ }
+
+ /*
+ *
+ */
+ private void addRouteInternal(final long dpId, final long vpnId, final VrfTablesKey vrfTableKey,
+ final VrfEntry vrfEntry) {
+ String rd = vrfTableKey.getRouteDistinguisher();
+ LOG.info("adding route " + vrfEntry.getDestPrefix() + " " + rd);
+
+ String values[] = vrfEntry.getDestPrefix().split("/");
+ LOG.info(String.format("Adding route to DPN. ip %s masklen %s", values[0], values[1]));
+ String ipAddress = values[0];
+ int prefix = Integer.parseInt(values[1]);
+ InetAddress destAddress = null;
+ try {
+ destAddress = InetAddress.getByName(ipAddress);
+ } catch (UnknownHostException e) {
+ LOG.error(String.format("UnknowHostException in addRoute."
+ + "Failed to add Route for ipPrefix %s", vrfEntry.getDestPrefix()));
+ return;
+ }
+
+ GetEgressPointerOutput adjacency = resolveAdjacency(dpId, vpnId, vrfTableKey, vrfEntry);
+ long groupId = -1;
+ boolean isLocalRoute = false;
+ if(adjacency != null) {
+ groupId = adjacency.getEgressPointer();
+ isLocalRoute = adjacency.isLocalDestination();
+ }
+ if(groupId == -1) {
+ LOG.error(String.format("Could not get nexthop group id for nexthop: %s in vpn %s",
+ vrfEntry.getNextHopAddress(), rd));
+ LOG.warn(String.format("Failed to add Route: %s in vpn: %s",
+ vrfEntry.getDestPrefix(), rd));
+ return;
+ }
+
+ makeConnectedRoute(dpId, destAddress, prefix, vpnId, rd, groupId, NwConstants.ADD_FLOW);
+
+ if (isLocalRoute) {
+ makeLFibTableEntry(dpId, vrfEntry.getLabel(), groupId, vrfEntry.getNextHopAddress(), NwConstants.ADD_FLOW);
+ }
+
+ LOG.info(
+ "Successfully added fib entry for " + destAddress.getHostAddress() + " vpnId " + vpnId);
+ }
+
+ public void deleteRoute(InetAddress destPrefix, int prefixLength, int vpnId, String rd) {
+ LOG.info("deleting route "+destPrefix.getHostAddress()+ " "+vpnId);
+
+ List<Long> dpnIds = getDpnsByVpn(vpnId);
+
+ for (long dpnId : dpnIds) {
+ makeConnectedRoute(dpnId, destPrefix, prefixLength, vpnId, rd, 0/*groupId*/, NwConstants.DEL_FLOW);
+ }
+ LOG.info("Successfully delete fib entry for "+destPrefix.getHostAddress()+ " vpnId "+vpnId);
+ }
+
+ public void deleteRoute(InetAddress destPrefix, int prefixLength, int vpnId, String rd, long dpId) {
+ LOG.info("deleting route "+destPrefix.getHostAddress()+ " "+vpnId);
+
+ makeConnectedRoute(dpId, destPrefix, prefixLength, vpnId, rd, 0/*groupId*/, NwConstants.DEL_FLOW);
+
+ LOG.info("Successfully delete fib entry for "+destPrefix.getHostAddress()+ " vpnId "+vpnId);
+ }
+
+ private long getIpAddress(byte[] rawIpAddress) {
+ return (((rawIpAddress[0] & 0xFF) << (3 * 8)) + ((rawIpAddress[1] & 0xFF) << (2 * 8))
+ + ((rawIpAddress[2] & 0xFF) << (1 * 8)) + (rawIpAddress[3] & 0xFF)) & 0xffffffffL;
+ }
+
+ private void makeConnectedRoute(long dpId, InetAddress destPrefix, int prefixLength, long vpnId,
+ String rd, long groupId, int addOrRemove) {
+
+ List<MatchInfo> matches = new ArrayList<MatchInfo>();
+
+ matches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
+ BigInteger.valueOf(vpnId), MetaDataUtil.METADATA_MASK_VRFID }));
+
+ matches.add(new MatchInfo(MatchFieldType.eth_type,
+ new long[] { 0x0800L }));
+
+ if(prefixLength != 0) {
+ matches.add(new MatchInfo(MatchFieldType.ipv4_dst, new long[] {
+ getIpAddress(destPrefix.getAddress()), prefixLength }));
+ }
+
+ List<InstructionInfo> instructions = new ArrayList<InstructionInfo>();
+ List<ActionInfo> actionsInfos = new ArrayList<ActionInfo>();
+
+ if(addOrRemove == NwConstants.ADD_FLOW) {
+ actionsInfos.add(new ActionInfo(ActionType.group, new String[] { String.valueOf(groupId)}));
+ instructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
+ }
+
+ String flowRef = getFlowRef(dpId, L3_FIB_TABLE, rd, destPrefix);
+
+ FlowEntity flowEntity;
+
+ int priority = DEFAULT_FIB_FLOW_PRIORITY + prefixLength;
+ flowEntity = MDSALUtil.buildFlowEntity(dpId, L3_FIB_TABLE, flowRef,
+ priority, flowRef, 0, 0,
+ COOKIE_VM_FIB_TABLE, matches, instructions);
+
+ if (addOrRemove == NwConstants.ADD_FLOW) {
+ mdsalManager.installFlow(flowEntity);
+ } else {
+ mdsalManager.removeFlow(flowEntity);
+ }
+ }
+
+ private void makeLFibTableEntry(long dpId, long label, long groupId,
+ String nextHop, int addOrRemove) {
+ List<MatchInfo> matches = new ArrayList<MatchInfo>();
+ matches.add(new MatchInfo(MatchFieldType.eth_type,
+ new long[] { 0x8847L }));
+ matches.add(new MatchInfo(MatchFieldType.mpls_label, new String[]{Long.toString(label)}));
+
+ List<InstructionInfo> instructions = new ArrayList<InstructionInfo>();
+ List<ActionInfo> actionsInfos = new ArrayList<ActionInfo>();
+ actionsInfos.add(new ActionInfo(ActionType.pop_mpls, new String[]{Long.toString(label)}));
+ actionsInfos.add(new ActionInfo(ActionType.group, new String[] { String.valueOf(groupId) }));
+ instructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
+
+ // Install the flow entry in L3_LFIB_TABLE
+ String flowRef = getFlowRef(dpId, L3_LFIB_TABLE, label, nextHop);
+
+ FlowEntity flowEntity;
+ flowEntity = MDSALUtil.buildFlowEntity(dpId, L3_LFIB_TABLE, flowRef,
+ DEFAULT_FIB_FLOW_PRIORITY, flowRef, 0, 0,
+ COOKIE_VM_LFIB_TABLE, matches, instructions);
+
+ if (addOrRemove == NwConstants.ADD_FLOW) {
+ mdsalManager.installFlow(flowEntity);
+ } else {
+ mdsalManager.removeFlow(flowEntity);
+ }
+ LOG.info("LFIB Entry for dpID {} : label : {} grpup {} modified successfully {}",dpId, label, groupId );
+ }
+
+ private String getFlowRef(long dpnId, short tableId, long label, String nextHop) {
+ return new StringBuilder(64).append(FLOWID_PREFIX).append(dpnId).append(NwConstants.FLOWID_SEPARATOR)
+ .append(tableId).append(NwConstants.FLOWID_SEPARATOR)
+ .append(label).append(NwConstants.FLOWID_SEPARATOR)
+ .append(nextHop).toString();
+ }
+
+ private String getFlowRef(long dpnId, short tableId, String rd, InetAddress destPrefix) {
+ return new StringBuilder(64).append(FLOWID_PREFIX).append(dpnId).append(NwConstants.FLOWID_SEPARATOR)
+ .append(tableId).append(NwConstants.FLOWID_SEPARATOR)
+ .append(rd).append(NwConstants.FLOWID_SEPARATOR)
+ .append(destPrefix.getHostAddress()).toString();
+ }
+
+ private GetEgressPointerOutput resolveAdjacency(final long dpId, final long vpnId, final VrfTablesKey vrfTableKey,
+ final VrfEntry vrfEntry) {
+ GetEgressPointerOutput adjacency = null;
+ try {
+ Future<RpcResult<GetEgressPointerOutput>> result =
+ l3nexthopService.getEgressPointer(new GetEgressPointerInputBuilder().setDpnId(dpId)
+ .setIpPrefix(vrfEntry.getDestPrefix())
+ .setNexthopIp(vrfEntry.getNextHopAddress())
+ .setVpnId(vpnId)
+ .build());
+ RpcResult<GetEgressPointerOutput> rpcResult = result.get();
+ if (rpcResult.isSuccessful()) {
+ adjacency = rpcResult.getResult();
+ } else {
+ LOG.error("Next hop information not available");
+ }
+ } catch (NullPointerException | InterruptedException | ExecutionException e) {
+ LOG.trace("", e);
+ }
+ return adjacency;
+ }
+
+ private List<Long> getDpnsByVpn(long vpnId) {
+ // TODO: get list of dpns from vpnmanager, for all dpns List<Long>
+ return new ArrayList<>();
+ }
+
+ private Long getVpnId(String rd) {
+ Long vpnId = null;
+ InstanceIdentifier<VpnInstances> id = InstanceIdentifier.create(VpnInstances.class);
+ Optional<VpnInstances> vpnInstances = read(LogicalDatastoreType.OPERATIONAL, id);
+ if(vpnInstances.isPresent()) {
+ List<VpnInstance> vpns = vpnInstances.get().getVpnInstance();
+ for(VpnInstance vpn : vpns) {
+ if(vpn.getIpv4Family().getRouteDistinguisher().equals(rd)) {
+ VpnInstance1 vpnInstanceId = vpn.getAugmentation(VpnInstance1.class);
+ if (vpnInstanceId != null) {
+ vpnId = vpnInstanceId.getVpnId();
+ break;
+ }
+ }
+ }
+ }
+ return vpnId;
+ }
}
Code Review / vpnservice.git / commitdiff