mdsalutil/mdsalutil-impl/src/test/java/org/opendaylight/genius/test/MockGroupForwarder.java

   1 /*
   2  * Copyright (c) 2016, 2017 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.genius.test;
   9
  10 import static java.util.concurrent.TimeUnit.MILLISECONDS;
  11
  12 import java.util.Collection;
  13 import java.util.concurrent.TimeUnit;
  14 import java.util.concurrent.atomic.AtomicInteger;
  15 import org.awaitility.Awaitility;
  16 import org.hamcrest.Matchers;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  26 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class MockGroupForwarder extends AbstractMockForwardingRulesManager<Group> {
  32     private static final Logger LOG = LoggerFactory.getLogger(MockGroupForwarder.class);
  33
  34     private final AtomicInteger groupCount = new AtomicInteger(0);
  35     private ListenerRegistration<MockGroupForwarder> listenerRegistration;
  36
  37     public MockGroupForwarder(final DataBroker db) {
  38         super();
  39         registerListener(db);
  40     }
  41
  42     private void registerListener(final DataBroker db) {
  43         final DataTreeIdentifier<Group> treeId = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
  44                 getWildCardPath());
  45         listenerRegistration = db.registerDataTreeChangeListener(treeId, MockGroupForwarder.this);
  46     }
  47
  48     private InstanceIdentifier<Group> getWildCardPath() {
  49         return InstanceIdentifier.create(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class)
  50                 .child(Group.class);
  51     }
  52
  53     @Override
  54     public void onDataTreeChanged(Collection<DataTreeModification<Group>> changes) {
  55         for (DataTreeModification<Group> change : changes) {
  56             final InstanceIdentifier<Group> key = change.getRootPath().getRootIdentifier();
  57             final DataObjectModification<Group> mod = change.getRootNode();
  58
  59             switch (mod.getModificationType()) {
  60                 case DELETE:
  61                     groupCount.decrementAndGet();
  62                     break;
  63                 case SUBTREE_MODIFIED:
  64                     // CHECK IF RQD
  65                     break;
  66                 case WRITE:
  67                     if (mod.getDataBefore() == null) {
  68                         groupCount.incrementAndGet();
  69                     } else {
  70                         // UPDATE COUNT UNCHANGED
  71                     }
  72                     break;
  73                 default:
  74                     throw new IllegalArgumentException("Unhandled modification type " + mod.getModificationType());
  75             }
  76         }
  77     }
  78
  79     public void awaitDataChangeCount(int expCount) {
  80         Awaitility.await("MockGroupForwarder").atMost(5, TimeUnit.SECONDS).pollDelay(0, MILLISECONDS)
  81             .conditionEvaluationListener(condition -> LOG.info(
  82                 "awaitDataChangeCount: Elapsed time {}s, remaining time {}s; flowCount: {}",
  83                     condition.getElapsedTimeInMS() / 1000, condition.getRemainingTimeInMS() / 1000,
  84                     condition.getValue()))
  85             .untilAtomic(groupCount, Matchers.equalTo(expCount));
  86     }
  87 }