+++ /dev/null
-/*
- * Copyright (c) 2014 Cisco Systems, 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,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
-import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.PolicyManager.Dirty;
-import org.opendaylight.groupbasedpolicy.resolver.EgKey;
-import org.opendaylight.groupbasedpolicy.resolver.IndexedTenant;
-import org.opendaylight.groupbasedpolicy.resolver.PolicyInfo;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.BucketId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.Buckets;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.BucketsBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.BucketBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.EndpointLocation.LocationType;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContext;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.EndpointGroup;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.L2FloodDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.base.Objects;
-import com.google.common.base.Optional;
-import com.google.common.collect.Ordering;
-
-import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.*;
-
-/**
- * Manage the group tables for handling broadcast/multicast
- * @author readams
- */
-public class GroupTable extends OfTable {
- private static final Logger LOG =
- LoggerFactory.getLogger(GroupTable.class);
-
- public GroupTable(OfTableCtx ctx) {
- super(ctx);
- }
-
- @Override
- public void update(NodeId nodeId, PolicyInfo policyInfo, Dirty dirty)
- throws Exception {
- // there appears to be no way of getting only the existing group
- // tables unfortunately, so we have to get the whole goddamned node.
- // Since this is happening concurrently with other things that are
- // working in subtrees of nodes, we have to do two transactions
- ReadOnlyTransaction t = ctx.dataBroker.newReadOnlyTransaction();
- InstanceIdentifier<Node> niid = createNodePath(nodeId);
- Optional<Node> r =
- t.read(LogicalDatastoreType.CONFIGURATION, niid).get();
- if (!r.isPresent()) return;
- FlowCapableNode fcn = r.get().getAugmentation(FlowCapableNode.class);
- if (fcn == null) return;
-
- HashMap<GroupId, GroupCtx> groupMap = new HashMap<>();
-
- if (fcn.getGroup() != null) {
- for (Group g : fcn.getGroup()) {
- GroupCtx gctx = new GroupCtx(g.getGroupId());
- groupMap.put(g.getGroupId(), gctx);
-
- Buckets bs = g.getBuckets();
- if (bs != null && bs.getBucket() != null)
- for (Bucket b : bs.getBucket()) {
- gctx.bucketMap.put(b.getBucketId(), new BucketCtx(b));
- }
- }
- }
-
- sync(nodeId, policyInfo, dirty, groupMap);
-
- WriteTransaction wt = ctx.dataBroker.newWriteOnlyTransaction();
- boolean wrote = syncGroupToStore(wt, nodeId, groupMap);
- if (wrote)
- wt.submit().get();
- }
-
- protected boolean syncGroupToStore(WriteTransaction wt,
- NodeId nodeId,
- HashMap<GroupId, GroupCtx> groupMap) {
- boolean wrote = false;
- for (GroupCtx gctx : groupMap.values()) {
- InstanceIdentifier<Group> giid =
- createGroupPath(nodeId, gctx.groupId);
- if (!gctx.visited) {
- // Remove group table
- wrote = true;
- wt.delete(LogicalDatastoreType.CONFIGURATION, giid);
- } else {
- ArrayList<Bucket> buckets = new ArrayList<>();
-
- // update group table
- for (BucketCtx bctx : gctx.bucketMap.values()) {
- BucketId bid;
- if (bctx.b != null) bid = bctx.b.getBucketId();
- else bid = bctx.newb.getBucketId();
- InstanceIdentifier<Bucket> biid =
- createBucketPath(nodeId,
- gctx.groupId,
- bid);
- if (!bctx.visited) {
- // remove bucket
- wrote = true;
- wt.delete(LogicalDatastoreType.CONFIGURATION, biid);
- } else if (bctx.b == null) {
- // new bucket
- buckets.add(bctx.newb);
- } else if (!Objects.equal(bctx.newb.getAction(),
- Ordering.from(ActionComparator.INSTANCE)
- .sortedCopy(bctx.b.getAction()))) {
- // update bucket
- buckets.add(bctx.newb);
- }
- }
- if (buckets.size() > 0) {
- GroupBuilder gb = new GroupBuilder()
- .setGroupId(gctx.groupId)
- .setGroupType(GroupTypes.GroupAll)
- .setBuckets(new BucketsBuilder()
- .setBucket(buckets)
- .build());
- wrote = true;
- wt.merge(LogicalDatastoreType.CONFIGURATION,
- giid, gb.build());
- }
- }
- }
- return wrote;
- }
-
- protected void sync(NodeId nodeId, PolicyInfo policyInfo, Dirty dirty,
- HashMap<GroupId, GroupCtx> groupMap) throws Exception {
-
- for (EgKey epg : ctx.epManager.getGroupsForNode(nodeId)) {
- IndexedTenant it = ctx.policyResolver.getTenant(epg.getTenantId());
- if (it == null) continue;
- EndpointGroup eg = it.getEndpointGroup(epg.getEgId());
- if (eg == null || eg.getNetworkDomain() == null) continue;
- L2FloodDomain fd = it.resolveL2FloodDomain(eg.getNetworkDomain());
- if (fd == null) continue;
-
- int fdId = ctx.policyManager.getContextOrdinal(epg.getTenantId(),
- fd.getId());
- GroupId gid = new GroupId(Long.valueOf(fdId));
- GroupCtx gctx = groupMap.get(gid);
- if (gctx == null) {
- groupMap.put(gid, gctx = new GroupCtx(gid));
- }
- gctx.visited = true;
-
- // we'll use the fdId with the high bit set for remote bucket
- // and just the local port number for local bucket
- for (NodeId destNode : ctx.epManager.getNodesForGroup(epg)) {
- if (nodeId.equals(destNode)) continue;
-
- long bucketId = ctx.policyManager
- .getContextOrdinal(destNode.getValue());
- bucketId |= 1L << 31;
-
- IpAddress tunDst =
- ctx.switchManager.getTunnelIP(destNode);
- NodeConnectorId tunPort =
- ctx.switchManager.getTunnelPort(nodeId);
- if (tunDst == null || tunPort == null) continue;
- Action tundstAction = null;
- if (tunDst.getIpv4Address() != null) {
- String nextHop = tunDst.getIpv4Address().getValue();
- tundstAction = nxLoadTunIPv4Action(nextHop, true);
- } else {
- LOG.error("IPv6 tunnel destination {} for {} not supported",
- tunDst.getIpv6Address().getValue(),
- destNode);
- continue;
- }
-
- BucketBuilder bb = new BucketBuilder()
- .setBucketId(new BucketId(Long.valueOf(bucketId)))
- .setAction(actionList(tundstAction,
- outputAction(tunPort)));
- updateBucket(gctx, bb);
- }
- for (Endpoint localEp : ctx.epManager.getEPsForNode(nodeId, epg)) {
- OfOverlayContext ofc =
- localEp.getAugmentation(OfOverlayContext.class);
- if (ofc == null || ofc.getNodeConnectorId() == null ||
- (LocationType.External.equals(ofc.getLocationType())))
- continue;
-
- long bucketId;
- try {
- bucketId = getOfPortNum(ofc.getNodeConnectorId());
- } catch (NumberFormatException e) {
- LOG.warn("Could not parse port number {}",
- ofc.getNodeConnectorId(), e);
- continue;
- }
-
- Action output = outputAction(ofc.getNodeConnectorId());
- BucketBuilder bb = new BucketBuilder()
- .setBucketId(new BucketId(Long.valueOf(bucketId)))
- .setAction(actionList(output));
- updateBucket(gctx, bb);
- }
- }
- }
-
- private static void updateBucket(GroupCtx gctx, BucketBuilder bb) {
- BucketCtx bctx = gctx.bucketMap.get(bb.getBucketId());
- if (bctx == null) {
- gctx.bucketMap.put(bb.getBucketId(),
- bctx = new BucketCtx(null));
- }
- bctx.visited = true;
- bctx.newb = bb.build();
- }
-
- protected static class BucketCtx {
- Bucket b;
- Bucket newb;
- boolean visited = false;
-
- public BucketCtx(Bucket b) {
- super();
- this.b = b;
- }
- }
-
- protected static class GroupCtx {
- GroupId groupId;
- Map<BucketId, BucketCtx> bucketMap = new HashMap<>();
- boolean visited = false;
-
- public GroupCtx(GroupId groupId) {
- super();
- this.groupId = groupId;
- }
- }
-
-}