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