2 * Copyright (c) 2015 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
9 package org.opendaylight.groupbasedpolicy.renderer.iovisor.sf;
11 import static com.google.common.base.Preconditions.checkNotNull;
13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
14 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
15 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
18 import org.opendaylight.groupbasedpolicy.renderer.iovisor.IovisorRenderer;
19 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.SubjectFeatureDefinitions;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definitions.ClassifierDefinition;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.Renderers;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.Renderer;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.RendererKey;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.Capabilities;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedClassifierDefinition;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedClassifierDefinitionBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedClassifierDefinitionKey;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 import com.google.common.util.concurrent.FutureCallback;
34 import com.google.common.util.concurrent.Futures;
35 import com.google.common.util.concurrent.MoreExecutors;
37 public class ClassifierDefinitionListener extends DataTreeChangeHandler<ClassifierDefinition> {
39 private static final Logger LOG = LoggerFactory.getLogger(ClassifierDefinitionListener.class);
41 private static final String PUT = "stored";
42 private static final String DELETED = "removed";
44 private static final InstanceIdentifier<Capabilities> CAPABILITIES_IID = InstanceIdentifier.builder(Renderers.class)
45 .child(Renderer.class, new RendererKey(IovisorRenderer.RENDERER_NAME))
46 .child(Capabilities.class)
49 public ClassifierDefinitionListener(DataBroker dataBroker) {
51 registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
52 InstanceIdentifier.builder(SubjectFeatureDefinitions.class).child(ClassifierDefinition.class).build()));
55 private SupportedClassifierDefinition createSupportedClassifierDefinition(Classifier classifier) {
56 SupportedClassifierDefinitionBuilder scdBuilder =
57 new SupportedClassifierDefinitionBuilder().setClassifierDefinitionId(classifier.getId())
58 .setSupportedParameterValues(classifier.getSupportedParameterValues());
59 if (classifier.getParent() != null) {
60 scdBuilder.setParentClassifierDefinitionId(classifier.getParent().getId());
62 return scdBuilder.build();
65 private FutureCallback<Void> logDebugResult(final SupportedClassifierDefinitionKey supportedClassifierDefinitionKey,
66 final String putOrDeleted) {
67 return new FutureCallback<Void>() {
70 public void onSuccess(Void result) {
71 LOG.debug("Capability of renerer {} was {}: {}", IovisorRenderer.RENDERER_NAME.getValue(), putOrDeleted,
72 supportedClassifierDefinitionKey.getClassifierDefinitionId().getValue());
76 public void onFailure(Throwable t) {
77 LOG.error("Capability of renderer {} was NOT {}: {}", IovisorRenderer.RENDERER_NAME.getValue(),
78 putOrDeleted, supportedClassifierDefinitionKey.getClassifierDefinitionId().getValue(), t);
84 protected void onWrite(DataObjectModification<ClassifierDefinition> rootNode,
85 InstanceIdentifier<ClassifierDefinition> rootIdentifier) {
86 onSubtreeModified(rootNode, rootIdentifier);
90 protected void onDelete(DataObjectModification<ClassifierDefinition> rootNode,
91 InstanceIdentifier<ClassifierDefinition> rootIdentifier) {
92 ClassifierDefinition classifierDefinitionBefore = checkNotNull(rootNode.getDataBefore());
93 Classifier ourClassifier = SubjectFeatures.getClassifier(classifierDefinitionBefore.getId());
94 if (ourClassifier != null) {
95 SupportedClassifierDefinitionKey supportedClassifierDefinitionKey =
96 new SupportedClassifierDefinitionKey(ourClassifier.getId());
97 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
99 wTx.delete(LogicalDatastoreType.OPERATIONAL,
100 CAPABILITIES_IID.child(SupportedClassifierDefinition.class, supportedClassifierDefinitionKey));
101 Futures.addCallback(wTx.submit(), logDebugResult(supportedClassifierDefinitionKey, DELETED), MoreExecutors.directExecutor());
106 protected void onSubtreeModified(DataObjectModification<ClassifierDefinition> rootNode,
107 InstanceIdentifier<ClassifierDefinition> rootIdentifier) {
108 ClassifierDefinition classifierDefinitionAfter = checkNotNull(rootNode.getDataAfter());
109 Classifier ourClassifier = SubjectFeatures.getClassifier(classifierDefinitionAfter.getId());
110 if (ourClassifier != null) {
111 SupportedClassifierDefinition supportedClassifierDefinition =
112 createSupportedClassifierDefinition(ourClassifier);
113 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
114 wTx.put(LogicalDatastoreType.OPERATIONAL,
115 CAPABILITIES_IID.child(SupportedClassifierDefinition.class, supportedClassifierDefinition.getKey()),
116 supportedClassifierDefinition, true);
117 Futures.addCallback(wTx.submit(), logDebugResult(supportedClassifierDefinition.getKey(), PUT), MoreExecutors.directExecutor());