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 java.util.Collection;
  16 import java.util.HashMap;
  17 import javax.annotation.PreDestroy;
  18 import javax.inject.Inject;
  19 import javax.inject.Singleton;
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  22 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
  23 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  24 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
  25 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  26 import org.opendaylight.genius.fcapsapp.portinfo.PortNameMapping;
  27 import org.opendaylight.openflowplugin.common.wait.SimpleTaskRetryLooper;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  32 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 @Singleton
  38 public class FlowNodeConnectorInventoryTranslatorImpl extends NodeConnectorEventListener<FlowCapableNodeConnector> {
  39     public static final int STARTUP_LOOP_TICK = 500;
  40     public static final int STARTUP_LOOP_MAX_RETRIES = 8;
  41     private static final Logger LOG = LoggerFactory.getLogger(FlowNodeConnectorInventoryTranslatorImpl.class);
  42     private final EntityOwnershipService entityOwnershipService;
  43     private final DataBroker dataBroker;
  44     private ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl> dataTreeChangeListenerRegistration;
  45
  46     public static final String SEPARATOR = ":";
  47     private final PMAgent agent;
  48
  49     private static final InstanceIdentifier<FlowCapableNodeConnector>
  50             II_TO_FLOW_CAPABLE_NODE_CONNECTOR = InstanceIdentifier
  51             .builder(Nodes.class).child(Node.class).child(NodeConnector.class)
  52             .augmentation(FlowCapableNodeConnector.class).build();
  53
  54     private static Multimap<Long, String> dpnToPortMultiMap = Multimaps
  55             .synchronizedListMultimap(ArrayListMultimap.<Long, String>create());
  56
  57     private static HashMap<String, String> nodeConnectorCountermap = new HashMap<>();
  58
  59     @Inject
  60     @SuppressWarnings("checkstyle:IllegalCatch")
  61     public FlowNodeConnectorInventoryTranslatorImpl(final DataBroker dataBroker,
  62             final EntityOwnershipService entityOwnershipService, final PMAgent agent) {
  63         super(FlowCapableNodeConnector.class);
  64         this.dataBroker = Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
  65         this.entityOwnershipService = entityOwnershipService;
  66         this.agent = agent;
  67         final DataTreeIdentifier<FlowCapableNodeConnector> treeId = new DataTreeIdentifier<>(
  68                 LogicalDatastoreType.OPERATIONAL, getWildCardPath());
  69         try {
  70             SimpleTaskRetryLooper looper = new SimpleTaskRetryLooper(STARTUP_LOOP_TICK, STARTUP_LOOP_MAX_RETRIES);
  71             dataTreeChangeListenerRegistration = looper.loopUntilNoException(() -> dataBroker
  72                     .registerDataTreeChangeListener(treeId, FlowNodeConnectorInventoryTranslatorImpl.this));
  73         } catch (Exception e) {
  74             LOG.warn(" FlowNodeConnectorInventoryTranslatorImpl listener registration fail!");
  75             LOG.debug("FlowNodeConnectorInventoryTranslatorImpl DataChange listener registration fail ..", e);
  76             throw new IllegalStateException(
  77                     "FlowNodeConnectorInventoryTranslatorImpl startup fail! System needs restart.", e);
  78         }
  79     }
  80
  81     protected InstanceIdentifier<FlowCapableNodeConnector> getWildCardPath() {
  82         return InstanceIdentifier.create(Nodes.class).child(Node.class).child(NodeConnector.class)
  83                 .augmentation(FlowCapableNodeConnector.class);
  84     }
  85
  86     @PreDestroy
  87     @Override
  88     public void close() {
  89         if (dataTreeChangeListenerRegistration != null) {
  90             dataTreeChangeListenerRegistration.close();
  91             dataTreeChangeListenerRegistration = null;
  92         }
  93     }
  94
  95     @Override
  96     public void remove(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector del,
  97             InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
  98         if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
  99             String nodeConnectorIdentifier = getNodeConnectorId(
 100                     String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 101             long dataPathId = getDpIdFromPortName(nodeConnectorIdentifier);
 102             if (dpnToPortMultiMap.containsKey(dataPathId)) {
 103                 LOG.debug("Node Connector {} removed", nodeConnectorIdentifier);
 104                 dpnToPortMultiMap.remove(dataPathId, nodeConnectorIdentifier);
 105                 sendNodeConnectorUpdation(dataPathId);
 106                 PortNameMapping.updatePortMap("openflow:" + dataPathId + ":" + del.getName(), nodeConnectorIdentifier,
 107                         "DELETE");
 108             }
 109         }
 110     }
 111
 112     @Override
 113     public void update(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector original,
 114             FlowCapableNodeConnector update, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 115         if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 116             // Don't need to do anything as we are not considering updates here
 117             String nodeConnectorIdentifier = getNodeConnectorId(
 118                     String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 119             long dataPathId = getDpIdFromPortName(nodeConnectorIdentifier);
 120             if (isNodeOwner(getNodeId(dataPathId))) {
 121                 boolean originalPortStatus = original.getConfiguration().isPORTDOWN();
 122                 boolean updatePortStatus = update.getConfiguration().isPORTDOWN();
 123
 124                 if (updatePortStatus) {
 125                     // port has gone down
 126                     LOG.debug("Node Connector {} updated port is down", nodeConnectorIdentifier);
 127                 } else if (originalPortStatus) {
 128                     // port has come up
 129                     LOG.debug("Node Connector {} updated port is up", nodeConnectorIdentifier);
 130                 }
 131             }
 132         }
 133     }
 134
 135     @Override
 136     public void add(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector add,
 137             InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 138         if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 139
 140             String nodeConnectorIdentifier = getNodeConnectorId(
 141                     String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 142             long dataPathId = getDpIdFromPortName(nodeConnectorIdentifier);
 143             if (isNodeOwner(getNodeId(dataPathId))) {
 144                 if (!dpnToPortMultiMap.containsEntry(dataPathId, nodeConnectorIdentifier)) {
 145                     LOG.debug("Node Connector {} added", nodeConnectorIdentifier);
 146                     dpnToPortMultiMap.put(dataPathId, nodeConnectorIdentifier);
 147                     sendNodeConnectorUpdation(dataPathId);
 148                     PortNameMapping.updatePortMap("openflow:" + dataPathId + ":" + add.getName(),
 149                             nodeConnectorIdentifier, "ADD");
 150                 } else {
 151                     LOG.error("Duplicate Event.Node Connector already added");
 152                 }
 153             }
 154         }
 155     }
 156
 157     private String getNodeConnectorId(String node) {
 158         // Uri [_value=openflow:1:1]
 159         String[] temp = node.split("=");
 160         return temp[1].substring(0, temp[1].length() - 1);
 161     }
 162
 163     private String getNodeId(Long dpnId) {
 164         return "openflow:" + dpnId;
 165     }
 166
 167     /**
 168      * Method checks if *this* instance of controller is owner of the given
 169      * openflow node.
 170      *
 171      * @param nodeId
 172      *            openflow node Id
 173      * @return True if owner, else false
 174      */
 175     public boolean isNodeOwner(String nodeId) {
 176         Entity entity = new Entity("openflow", nodeId);
 177         return this.entityOwnershipService.getOwnershipState(entity).transform(EntityOwnershipState::isOwner).or(false);
 178     }
 179
 180     private boolean compareInstanceIdentifierTail(InstanceIdentifier<?> identifier1,
 181             InstanceIdentifier<?> identifier2) {
 182         return Iterables.getLast(identifier1.getPathArguments())
 183                 .equals(Iterables.getLast(identifier2.getPathArguments()));
 184     }
 185
 186     private long getDpIdFromPortName(String portName) {
 187         String dpId = portName.substring(portName.indexOf(SEPARATOR) + 1, portName.lastIndexOf(SEPARATOR));
 188         return Long.parseLong(dpId);
 189     }
 190
 191     private void sendNodeConnectorUpdation(Long dpnId) {
 192         Collection<String> portname = dpnToPortMultiMap.get(dpnId);
 193         String nodeListPortsCountStr = "dpnId_" + dpnId + "_NumberOfOFPorts";
 194         String counterkey = "NumberOfOFPorts:" + nodeListPortsCountStr;
 195
 196         if (!portname.isEmpty()) {
 197             nodeConnectorCountermap.put(counterkey, "" + portname.size());
 198         } else {
 199             nodeConnectorCountermap.remove(counterkey);
 200         }
 201         LOG.debug("NumberOfOFPorts:" + nodeListPortsCountStr + " portlistsize " + portname.size());
 202         agent.connectToPMAgentForNOOfPorts(nodeConnectorCountermap);
 203     }
 204 }