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;
36 public class ClassifierDefinitionListener extends DataTreeChangeHandler<ClassifierDefinition> {
38 private static final Logger LOG = LoggerFactory.getLogger(ClassifierDefinitionListener.class);
40 private static final String PUT = "stored";
41 private static final String DELETED = "removed";
43 private static final InstanceIdentifier<Capabilities> CAPABILITIES_IID = InstanceIdentifier.builder(Renderers.class)
44 .child(Renderer.class, new RendererKey(IovisorRenderer.RENDERER_NAME))
45 .child(Capabilities.class)
48 public ClassifierDefinitionListener(DataBroker dataBroker) {
50 registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
51 InstanceIdentifier.builder(SubjectFeatureDefinitions.class).child(ClassifierDefinition.class).build()));
54 private SupportedClassifierDefinition createSupportedClassifierDefinition(Classifier classifier) {
55 SupportedClassifierDefinitionBuilder scdBuilder =
56 new SupportedClassifierDefinitionBuilder().setClassifierDefinitionId(classifier.getId())
57 .setSupportedParameterValues(classifier.getSupportedParameterValues());
58 if (classifier.getParent() != null) {
59 scdBuilder.setParentClassifierDefinitionId(classifier.getParent().getId());
61 return scdBuilder.build();
64 private FutureCallback<Void> logDebugResult(final SupportedClassifierDefinitionKey supportedClassifierDefinitionKey,
65 final String putOrDeleted) {
66 return new FutureCallback<Void>() {
69 public void onSuccess(Void result) {
70 LOG.debug("Capability of renerer {} was {}: {}", IovisorRenderer.RENDERER_NAME.getValue(), putOrDeleted,
71 supportedClassifierDefinitionKey.getClassifierDefinitionId().getValue());
75 public void onFailure(Throwable t) {
76 LOG.error("Capability of renderer {} was NOT {}: {}", IovisorRenderer.RENDERER_NAME.getValue(),
77 putOrDeleted, supportedClassifierDefinitionKey.getClassifierDefinitionId().getValue(), t);
83 protected void onWrite(DataObjectModification<ClassifierDefinition> rootNode,
84 InstanceIdentifier<ClassifierDefinition> rootIdentifier) {
85 onSubtreeModified(rootNode, rootIdentifier);
89 protected void onDelete(DataObjectModification<ClassifierDefinition> rootNode,
90 InstanceIdentifier<ClassifierDefinition> rootIdentifier) {
91 ClassifierDefinition classifierDefinitionBefore = checkNotNull(rootNode.getDataBefore());
92 Classifier ourClassifier = SubjectFeatures.getClassifier(classifierDefinitionBefore.getId());
93 if (ourClassifier != null) {
94 SupportedClassifierDefinitionKey supportedClassifierDefinitionKey =
95 new SupportedClassifierDefinitionKey(ourClassifier.getId());
96 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
98 wTx.delete(LogicalDatastoreType.OPERATIONAL,
99 CAPABILITIES_IID.child(SupportedClassifierDefinition.class, supportedClassifierDefinitionKey));
100 Futures.addCallback(wTx.submit(), logDebugResult(supportedClassifierDefinitionKey, DELETED));
105 protected void onSubtreeModified(DataObjectModification<ClassifierDefinition> rootNode,
106 InstanceIdentifier<ClassifierDefinition> rootIdentifier) {
107 ClassifierDefinition classifierDefinitionAfter = checkNotNull(rootNode.getDataAfter());
108 Classifier ourClassifier = SubjectFeatures.getClassifier(classifierDefinitionAfter.getId());
109 if (ourClassifier != null) {
110 SupportedClassifierDefinition supportedClassifierDefinition =
111 createSupportedClassifierDefinition(ourClassifier);
112 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
113 wTx.put(LogicalDatastoreType.OPERATIONAL,
114 CAPABILITIES_IID.child(SupportedClassifierDefinition.class, supportedClassifierDefinition.getKey()),
115 supportedClassifierDefinition, true);
116 Futures.addCallback(wTx.submit(), logDebugResult(supportedClassifierDefinition.getKey(), PUT));