2 * Copyright (c) 2014 Cisco 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.controller.frm.impl;
10 import com.google.common.base.Preconditions;
11 import org.opendaylight.controller.frm.ForwardingRulesManager;
12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInputBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInputBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterInputBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.OriginalMeterBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.UpdatedMeterBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterRef;
28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
35 * It implements {@link org.opendaylight.controller.md.sal.binding.api.DataChangeListener}}
36 * for WildCardedPath to {@link Meter} and ForwardingRulesCommiter interface for methods:
37 * add, update and remove {@link Meter} processing for
38 * {@link org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent}.
40 * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
43 public class MeterForwarder extends AbstractListeningCommiter<Meter> {
45 private static final Logger LOG = LoggerFactory.getLogger(MeterForwarder.class);
47 private ListenerRegistration<DataChangeListener> listenerRegistration;
49 public MeterForwarder (final ForwardingRulesManager manager, final DataBroker db) {
50 super(manager, Meter.class);
51 Preconditions.checkNotNull(db, "DataBroker can not be null!");
52 this.listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
53 getWildCardPath(), MeterForwarder.this, DataChangeScope.BASE);
58 if (listenerRegistration != null) {
60 listenerRegistration.close();
61 } catch (Exception e) {
62 LOG.error("Error by stop FRM MeterChangeListener.", e);
64 listenerRegistration = null;
69 protected InstanceIdentifier<Meter> getWildCardPath() {
70 return InstanceIdentifier.create(Nodes.class).child(Node.class)
71 .augmentation(FlowCapableNode.class).child(Meter.class);
75 public void remove(final InstanceIdentifier<Meter> identifier, final Meter removeDataObj,
76 final InstanceIdentifier<FlowCapableNode> nodeIdent) {
78 final RemoveMeterInputBuilder builder = new RemoveMeterInputBuilder(removeDataObj);
80 builder.setNode(new NodeRef(nodeIdent));
81 builder.setMeterRef(new MeterRef(identifier));
82 builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
83 this.provider.getSalMeterService().removeMeter(builder.build());
87 public void update(final InstanceIdentifier<Meter> identifier,
88 final Meter original, final Meter update,
89 final InstanceIdentifier<FlowCapableNode> nodeIdent) {
91 final UpdateMeterInputBuilder builder = new UpdateMeterInputBuilder();
93 builder.setNode(new NodeRef(nodeIdent));
94 builder.setMeterRef(new MeterRef(identifier));
95 builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
96 builder.setUpdatedMeter((new UpdatedMeterBuilder(update)).build());
97 builder.setOriginalMeter((new OriginalMeterBuilder(original)).build());
99 this.provider.getSalMeterService().updateMeter(builder.build());
103 public void add(final InstanceIdentifier<Meter> identifier, final Meter addDataObj,
104 final InstanceIdentifier<FlowCapableNode> nodeIdent) {
106 final AddMeterInputBuilder builder = new AddMeterInputBuilder(addDataObj);
108 builder.setNode(new NodeRef(nodeIdent));
109 builder.setMeterRef(new MeterRef(identifier));
110 builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
111 this.provider.getSalMeterService().addMeter(builder.build());