2 * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
14 import java.util.concurrent.ExecutionException;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
18 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
21 import org.opendaylight.ovsdb.lib.notation.Mutator;
22 import org.opendaylight.ovsdb.lib.notation.UUID;
23 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
24 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
25 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
26 import org.opendaylight.ovsdb.schema.openvswitch.Port;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
30 import org.opendaylight.yangtools.yang.binding.DataObject;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 import com.google.common.base.Optional;
36 import com.google.common.collect.Sets;
37 import com.google.common.util.concurrent.CheckedFuture;
40 * @author avishnoi@brocade.com (Anil Vishnoi)
43 public class TerminationPointDeleteCommand implements TransactCommand {
44 private static final Logger LOG = LoggerFactory.getLogger(TerminationPointDeleteCommand.class);
45 private AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes;
46 private DataBroker db;
48 public TerminationPointDeleteCommand(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
49 DataObject> changes) {
51 this.changes = changes;
55 public void execute(TransactionBuilder transaction) {
56 Map<InstanceIdentifier<OvsdbTerminationPointAugmentation>, OvsdbTerminationPointAugmentation> originals
57 = TransactUtils.extractOriginal(changes,OvsdbTerminationPointAugmentation.class);
58 Set<InstanceIdentifier<OvsdbTerminationPointAugmentation>> removedTps
59 = TransactUtils.extractRemoved(changes, OvsdbTerminationPointAugmentation.class);
60 for (InstanceIdentifier<OvsdbTerminationPointAugmentation> removedTpIid: removedTps) {
61 LOG.info("Received request to delete termination point {}",removedTpIid);
63 OvsdbTerminationPointAugmentation original = originals.get(removedTpIid);
64 Port port = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Port.class,null);
65 Optional<UUID> terminationPointUuidOptional = getTerminationPointUUID(removedTpIid);
67 if (terminationPointUuidOptional.isPresent()) {
68 UUID portUuid = terminationPointUuidOptional.get();
69 Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
71 Optional<String> bridgeName = getBridgeName(removedTpIid);
73 transaction.add(op.delete(port.getSchema())
74 .where(port.getUuidColumn().getSchema().opEqual(portUuid)).build());
75 transaction.add(op.comment("Port: Deleting " + original.getName()
76 + " attached to " + bridgeName));
78 transaction.add(op.mutate(bridge.getSchema())
79 .addMutation(bridge.getPortsColumn().getSchema(),
80 Mutator.DELETE, Sets.newHashSet(portUuid))
81 .where(bridge.getNameColumn().getSchema().opEqual(bridgeName.get())).build());
83 transaction.add(op.comment("Bridge: Mutating " + bridgeName.get()
84 + " to remove port " + portUuid));
86 LOG.warn("Unable to delete port {} because it was not found in the operational store, "
87 + "and thus we cannot retrieve its UUID", terminationPointUuidOptional.get());
92 private Optional<UUID> getTerminationPointUUID(InstanceIdentifier<OvsdbTerminationPointAugmentation> iid) {
94 Optional<UUID> result = Optional.absent();
95 ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
96 CheckedFuture<Optional<OvsdbTerminationPointAugmentation>, ReadFailedException> future
97 = transaction.read(LogicalDatastoreType.OPERATIONAL, iid);
98 Optional<OvsdbTerminationPointAugmentation> optional;
100 optional = future.get();
101 if (optional.isPresent()) {
102 OvsdbTerminationPointAugmentation terminationPoint
103 = (OvsdbTerminationPointAugmentation) optional.get();
104 if (terminationPoint != null && terminationPoint.getPortUuid() != null) {
105 result = Optional.of(new UUID(terminationPoint.getPortUuid().getValue()));
108 } catch (InterruptedException e) {
109 LOG.warn("Unable to retrieve termination point from operational store",e);
110 } catch (ExecutionException e) {
111 LOG.warn("Unable to retrieve termination point from operational store",e);
117 private Optional<String> getBridgeName(InstanceIdentifier<OvsdbTerminationPointAugmentation> iid) {
119 Optional<String> result = Optional.absent();
120 ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
121 InstanceIdentifier<Node> tpOvsdbManagedNodeIid = iid.firstIdentifierOf(Node.class);
122 CheckedFuture<Optional<Node>, ReadFailedException> future
123 = transaction.read(LogicalDatastoreType.OPERATIONAL, tpOvsdbManagedNodeIid);
124 Optional<Node> optional;
126 optional = future.get();
127 if (optional.isPresent()) {
128 OvsdbBridgeAugmentation bridge = optional.get().getAugmentation(OvsdbBridgeAugmentation.class);
129 if (bridge != null && bridge.getBridgeName() != null) {
130 result = Optional.of(bridge.getBridgeName().getValue());
133 } catch (InterruptedException e) {
134 LOG.warn("Unable to retrieve bridge from operational store",e);
135 } catch (ExecutionException e) {
136 LOG.warn("Unable to retrieve bridge from operational store",e);