fcapsapplication/fcapsapplication-impl/src/main/java/org/opendaylight/genius/fcapsapp/performancecounter/FlowNodeConnectorInventoryTranslatorImpl.java

   1 /*
   2  * Copyright (c) 2016 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.Optional;
  11 import com.google.common.base.Preconditions;
  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 java.util.Collection;
  17 import java.util.HashMap;
  18 import java.util.concurrent.Callable;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  21 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
  22 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  23 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.genius.fcapsapp.portinfo.PortNameMapping;
  26 import org.opendaylight.openflowplugin.common.wait.SimpleTaskRetryLooper;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  31 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class FlowNodeConnectorInventoryTranslatorImpl extends NodeConnectorEventListener<FlowCapableNodeConnector>  {
  37     public static final int STARTUP_LOOP_TICK = 500;
  38     public static final int STARTUP_LOOP_MAX_RETRIES = 8;
  39     private static final Logger LOG = LoggerFactory.getLogger(FlowNodeConnectorInventoryTranslatorImpl.class);
  40     private final EntityOwnershipService entityOwnershipService;
  41
  42     private ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl> dataTreeChangeListenerRegistration;
  43
  44     public static final String SEPARATOR = ":";
  45     private static final PMAgent pmAgent = new PMAgent();
  46
  47     private static final InstanceIdentifier<FlowCapableNodeConnector> II_TO_FLOW_CAPABLE_NODE_CONNECTOR
  48             = InstanceIdentifier.builder(Nodes.class)
  49             .child(Node.class)
  50             .child(NodeConnector.class)
  51             .augmentation(FlowCapableNodeConnector.class)
  52             .build();
  53
  54     private static Multimap<Long,String> dpnToPortMultiMap = Multimaps.synchronizedListMultimap(ArrayListMultimap.<Long,String>create());
  55
  56     private static HashMap<String, String> nodeConnectorCountermap = new HashMap<>();
  57
  58     public FlowNodeConnectorInventoryTranslatorImpl(final DataBroker dataBroker,final EntityOwnershipService eos) {
  59         super( FlowCapableNodeConnector.class);
  60         Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
  61
  62         entityOwnershipService = eos;
  63         final DataTreeIdentifier<FlowCapableNodeConnector> treeId =
  64                 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, getWildCardPath());
  65         try {
  66             SimpleTaskRetryLooper looper = new SimpleTaskRetryLooper(STARTUP_LOOP_TICK,
  67                     STARTUP_LOOP_MAX_RETRIES);
  68             dataTreeChangeListenerRegistration = looper.loopUntilNoException(new Callable<ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl>>() {
  69                 @Override
  70                 public ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl> call() throws Exception {
  71                     return dataBroker.registerDataTreeChangeListener(treeId, FlowNodeConnectorInventoryTranslatorImpl.this);
  72                 }
  73             });
  74         } catch (final Exception e) {
  75             LOG.warn(" FlowNodeConnectorInventoryTranslatorImpl listener registration fail!");
  76             LOG.debug("FlowNodeConnectorInventoryTranslatorImpl DataChange listener registration fail ..", e);
  77             throw new IllegalStateException("FlowNodeConnectorInventoryTranslatorImpl startup fail! System needs restart.", e);
  78         }
  79     }
  80
  81
  82     protected InstanceIdentifier<FlowCapableNodeConnector> getWildCardPath() {
  83         return InstanceIdentifier.create(Nodes.class)
  84                 .child(Node.class)
  85                 .child(NodeConnector.class)
  86                 .augmentation(FlowCapableNodeConnector.class);
  87     }
  88
  89     @Override
  90     public void close() {
  91         if (dataTreeChangeListenerRegistration != null) {
  92             try {
  93                 dataTreeChangeListenerRegistration.close();
  94             } catch (final Exception e) {
  95                 LOG.warn("Error by stop FRM FlowNodeConnectorInventoryTranslatorImpl: {}", e.getMessage());
  96                 LOG.debug("Error by stop FRM FlowNodeConnectorInventoryTranslatorImpl..", e);
  97             }
  98             dataTreeChangeListenerRegistration = null;
  99         }
 100     }
 101     @Override
 102     public void remove(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector del, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 103         if(compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 104             String sNodeConnectorIdentifier = getNodeConnectorId(String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 105             long nDpId = getDpIdFromPortName(sNodeConnectorIdentifier);
 106             if (dpnToPortMultiMap.containsKey(nDpId)) {
 107                 LOG.debug("Node Connector {} removed", sNodeConnectorIdentifier);
 108                 dpnToPortMultiMap.remove(nDpId, sNodeConnectorIdentifier);
 109                 sendNodeConnectorUpdation(nDpId);
 110                 PortNameMapping.updatePortMap("openflow:" + nDpId + ":" + del.getName(), sNodeConnectorIdentifier, "DELETE");
 111             }
 112         }
 113     }
 114
 115     @Override
 116     public void update(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector original, FlowCapableNodeConnector update, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 117         if(compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 118
 119             //donot need to do anything as we are not considering updates here
 120             String sNodeConnectorIdentifier = getNodeConnectorId(String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 121             long nDpId = getDpIdFromPortName(sNodeConnectorIdentifier);
 122             if (isNodeOwner(getNodeId(nDpId))) {
 123                 boolean original_portstatus = original.getConfiguration().isPORTDOWN();
 124                 boolean update_portstatus = update.getConfiguration().isPORTDOWN();
 125
 126                 if (update_portstatus) {
 127                     //port has gone down
 128                     LOG.debug("Node Connector {} updated port is down", sNodeConnectorIdentifier);
 129                 } else if (original_portstatus) {
 130                     //port has come up
 131                     LOG.debug("Node Connector {} updated port is up", sNodeConnectorIdentifier);
 132                 }
 133             }
 134         }
 135     }
 136
 137     @Override
 138     public void add(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector add, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 139         if (compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE_CONNECTOR)){
 140
 141             String sNodeConnectorIdentifier = getNodeConnectorId(String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 142             long nDpId = getDpIdFromPortName(sNodeConnectorIdentifier);
 143             if (isNodeOwner(getNodeId(nDpId))) {
 144                 if (!dpnToPortMultiMap.containsEntry(nDpId, sNodeConnectorIdentifier)) {
 145                     LOG.debug("Node Connector {} added", sNodeConnectorIdentifier);
 146                     dpnToPortMultiMap.put(nDpId, sNodeConnectorIdentifier);
 147                     sendNodeConnectorUpdation(nDpId);
 148                     PortNameMapping.updatePortMap("openflow:" + nDpId + ":" + add.getName(), sNodeConnectorIdentifier, "ADD");
 149                 } else {
 150                     LOG.error("Duplicate Event.Node Connector already added");
 151                 }
 152             }
 153         }
 154     }
 155     private String getNodeConnectorId(String node) {
 156         //Uri [_value=openflow:1:1]
 157         String temp[] = node.split("=");
 158         String dpnId = temp[1].substring(0,temp[1].length() - 1);
 159         return dpnId;
 160     }
 161
 162     private String getNodeId(Long dpnId){
 163         return "openflow:" + dpnId;
 164     }
 165     /**
 166      * Method checks if *this* instance of controller is owner of
 167      * the given openflow node.
 168      * @param nodeId openflow node Id
 169      * @return True if owner, else false
 170      */
 171     public boolean isNodeOwner(String nodeId) {
 172         Entity entity = new Entity("openflow", nodeId);
 173         Optional<EntityOwnershipState> eState = this.entityOwnershipService.getOwnershipState(entity);
 174         if(eState.isPresent()) {
 175             return eState.get().isOwner();
 176         }
 177         return false;
 178     }
 179
 180     private boolean compareInstanceIdentifierTail(InstanceIdentifier<?> identifier1,
 181                                                   InstanceIdentifier<?> identifier2) {
 182         return Iterables.getLast(identifier1.getPathArguments()).equals(Iterables.getLast(identifier2.getPathArguments()));
 183     }
 184
 185     private long getDpIdFromPortName(String portName) {
 186         String dpId = portName.substring(portName.indexOf(SEPARATOR) + 1, portName.lastIndexOf(SEPARATOR));
 187         return Long.parseLong(dpId);
 188     }
 189
 190     private void sendNodeConnectorUpdation(Long dpnId) {
 191         Collection<String> portname = dpnToPortMultiMap.get(dpnId);
 192         String nodeListPortsCountStr,counterkey;
 193         nodeListPortsCountStr = "dpnId_" + dpnId + "_NumberOfOFPorts";
 194         counterkey = "NumberOfOFPorts:" + nodeListPortsCountStr;
 195
 196         if (portname.size()!=0) {
 197             nodeConnectorCountermap.put(counterkey, "" + portname.size());
 198         } else {
 199             nodeConnectorCountermap.remove(counterkey);
 200         }
 201         LOG.debug("NumberOfOFPorts:" + nodeListPortsCountStr + " portlistsize " + portname.size());
 202         pmAgent.connectToPMAgentForNOOfPorts(nodeConnectorCountermap);
 203     }
 204 }