fcapsapplication/fcapsapplication-impl/src/main/java/org/opendaylight/genius/fcapsapp/performancecounter/FlowNodeConnectorInventoryTranslatorImpl.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.fcapsapp.performancecounter;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.collect.ArrayListMultimap;
  12 import com.google.common.collect.Iterables;
  13 import com.google.common.collect.Multimap;
  14 import com.google.common.collect.Multimaps;
  15 import javax.annotation.PreDestroy;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  21 import org.opendaylight.genius.fcapsapp.FcapsConstants;
  22 import org.opendaylight.genius.fcapsapp.portinfo.PortNameMapping;
  23 import org.opendaylight.genius.utils.clustering.EntityOwnershipUtils;
  24 import org.opendaylight.infrautils.metrics.Counter;
  25 import org.opendaylight.infrautils.metrics.Labeled;
  26 import org.opendaylight.infrautils.metrics.MetricDescriptor;
  27 import org.opendaylight.infrautils.metrics.MetricProvider;
  28 import org.opendaylight.openflowplugin.common.wait.SimpleTaskRetryLooper;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  33 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 @Singleton
  39 public class FlowNodeConnectorInventoryTranslatorImpl extends NodeConnectorEventListener<FlowCapableNodeConnector> {
  40     private static final Logger LOG = LoggerFactory.getLogger(FlowNodeConnectorInventoryTranslatorImpl.class);
  41
  42     private static final int STARTUP_LOOP_TICK = 500;
  43     private static final int STARTUP_LOOP_MAX_RETRIES = 8;
  44
  45     private final EntityOwnershipUtils entityOwnershipUtils;
  46     private final DataBroker dataBroker;
  47     private ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl> dataTreeChangeListenerRegistration;
  48
  49     private static final String SEPARATOR = ":";
  50     private final MetricProvider metricProvider;
  51     private final Labeled<Labeled<Labeled<Counter>>> packetInCounter;
  52     private static final InstanceIdentifier<FlowCapableNodeConnector>
  53             II_TO_FLOW_CAPABLE_NODE_CONNECTOR = InstanceIdentifier
  54             .builder(Nodes.class).child(Node.class).child(NodeConnector.class)
  55             .augmentation(FlowCapableNodeConnector.class).build();
  56
  57     private static Multimap<Long, String> dpnToPortMultiMap = Multimaps
  58             .synchronizedListMultimap(ArrayListMultimap.<Long, String>create());
  59
  60
  61     @Inject
  62     @SuppressWarnings("checkstyle:IllegalCatch")
  63     public FlowNodeConnectorInventoryTranslatorImpl(final DataBroker dataBroker,
  64                                                     final EntityOwnershipUtils entityOwnershipUtils,
  65                                                     MetricProvider metricProvider) {
  66         this.dataBroker = Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
  67         this.entityOwnershipUtils = entityOwnershipUtils;
  68         this.metricProvider = metricProvider;
  69         packetInCounter =  metricProvider.newCounter(MetricDescriptor.builder().anchor(this)
  70                 .project("genius").module("fcapsapplication")
  71                 .id("entitycounter").build(), "entitytype", "switchid","name");
  72         final DataTreeIdentifier<FlowCapableNodeConnector> treeId = new DataTreeIdentifier<>(
  73                 LogicalDatastoreType.OPERATIONAL, getWildCardPath());
  74         try {
  75             SimpleTaskRetryLooper looper = new SimpleTaskRetryLooper(STARTUP_LOOP_TICK, STARTUP_LOOP_MAX_RETRIES);
  76             dataTreeChangeListenerRegistration = looper.loopUntilNoException(() -> dataBroker
  77                     .registerDataTreeChangeListener(treeId, FlowNodeConnectorInventoryTranslatorImpl.this));
  78         } catch (Exception e) {
  79             LOG.warn(" FlowNodeConnectorInventoryTranslatorImpl listener registration fail!");
  80             LOG.debug("FlowNodeConnectorInventoryTranslatorImpl DataChange listener registration fail ..", e);
  81             throw new IllegalStateException(
  82                     "FlowNodeConnectorInventoryTranslatorImpl startup fail! System needs restart.", e);
  83         }
  84     }
  85
  86     protected InstanceIdentifier<FlowCapableNodeConnector> getWildCardPath() {
  87         return InstanceIdentifier.create(Nodes.class).child(Node.class).child(NodeConnector.class)
  88                 .augmentation(FlowCapableNodeConnector.class);
  89     }
  90
  91     @PreDestroy
  92     @Override
  93     public void close() {
  94         if (dataTreeChangeListenerRegistration != null) {
  95             dataTreeChangeListenerRegistration.close();
  96             dataTreeChangeListenerRegistration = null;
  97         }
  98     }
  99
 100     @Override
 101     public void remove(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector del,
 102                        InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 103         Counter counter;
 104         if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 105             String nodeConnectorIdentifier = getNodeConnectorId(
 106                     String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 107             long dataPathId = getDpIdFromPortName(nodeConnectorIdentifier);
 108             if (dpnToPortMultiMap.containsKey(dataPathId)) {
 109                 LOG.debug("Node Connector {} removed", nodeConnectorIdentifier);
 110                 dpnToPortMultiMap.remove(dataPathId, nodeConnectorIdentifier);
 111                 counter = packetInCounter.label("OFSwitch").label(String.valueOf(dataPathId)).label("portsperswitch");
 112                 counter.decrement();
 113                 PortNameMapping.updatePortMap("openflow:" + dataPathId + ":" + del.getName(), nodeConnectorIdentifier,
 114                         "DELETE");
 115             }
 116         }
 117     }
 118
 119     @Override
 120     public void update(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector original,
 121             FlowCapableNodeConnector update, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 122         // Don't need to do anything as we are not considering updates here
 123     }
 124
 125     @Override
 126     public void add(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector add,
 127             InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 128         Counter counter;
 129         if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 130
 131             String nodeConnectorIdentifier = getNodeConnectorId(
 132                     String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 133             long dataPathId = getDpIdFromPortName(nodeConnectorIdentifier);
 134             if (entityOwnershipUtils.isEntityOwner(FcapsConstants.SERVICE_ENTITY_TYPE,getNodeId(dataPathId))) {
 135                 if (!dpnToPortMultiMap.containsEntry(dataPathId, nodeConnectorIdentifier)) {
 136                     LOG.debug("Node Connector {} added", nodeConnectorIdentifier);
 137                     dpnToPortMultiMap.put(dataPathId, nodeConnectorIdentifier);
 138                     counter = packetInCounter.label("OFSwitch")
 139                             .label(String.valueOf(dataPathId)).label("portsperswitch");
 140                     counter.increment();
 141                     PortNameMapping.updatePortMap("openflow:" + dataPathId + ":" + add.getName(),
 142                             nodeConnectorIdentifier, "ADD");
 143                 } else {
 144                     LOG.error("Duplicate Event.Node Connector already added");
 145                 }
 146             }
 147         }
 148     }
 149
 150     private String getNodeConnectorId(String node) {
 151         // Uri [_value=openflow:1:1]
 152         String[] temp = node.split("=");
 153         return temp[1].substring(0, temp[1].length() - 1);
 154     }
 155
 156     private String getNodeId(Long dpnId) {
 157         return "openflow:" + dpnId;
 158     }
 159
 160     private boolean compareInstanceIdentifierTail(InstanceIdentifier<?> identifier1,
 161             InstanceIdentifier<?> identifier2) {
 162         return Iterables.getLast(identifier1.getPathArguments())
 163                 .equals(Iterables.getLast(identifier2.getPathArguments()));
 164     }
 165
 166     private long getDpIdFromPortName(String portName) {
 167         String dpId = portName.substring(portName.indexOf(SEPARATOR) + 1, portName.lastIndexOf(SEPARATOR));
 168         return Long.parseLong(dpId);
 169     }
 170
 171     public void nodeRemovedNotification(String node) {
 172         Counter counter;
 173         String[] switchId = node.split(":");
 174         counter = packetInCounter.label("OFSwitch").label(String.valueOf(switchId[1])).label("portsperswitch");
 175         counter.close();
 176     }
 177 }