fcapsapplication/fcapsapplication-impl/src/main/java/org/opendaylight/vpnservice/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.vpnservice.fcapsapp.performancecounter;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.collect.*;
  13 import org.opendaylight.controller.md.sal.binding.api.*;
  14 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
  15 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  16 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.openflowplugin.common.wait.SimpleTaskRetryLooper;
  19 import org.opendaylight.vpnservice.fcapsapp.portinfo.PortNameMapping;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  25 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29 import java.lang.String;
  30 import java.util.HashMap;
  31 import java.util.Collection;
  32 import java.util.concurrent.Callable;
  33
  34 public class FlowNodeConnectorInventoryTranslatorImpl extends NodeConnectorEventListener<FlowCapableNodeConnector>  {
  35     public static final int STARTUP_LOOP_TICK = 500;
  36     public static final int STARTUP_LOOP_MAX_RETRIES = 8;
  37     private static final Logger LOG = LoggerFactory.getLogger(FlowNodeConnectorInventoryTranslatorImpl.class);
  38     private final EntityOwnershipService entityOwnershipService;
  39
  40     private ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl> dataTreeChangeListenerRegistration;
  41
  42     public static final String SEPARATOR = ":";
  43     private static final PMAgent pmAgent = new PMAgent();
  44
  45     private static final InstanceIdentifier<FlowCapableNodeConnector> II_TO_FLOW_CAPABLE_NODE_CONNECTOR
  46             = InstanceIdentifier.builder(Nodes.class)
  47             .child(Node.class)
  48             .child(NodeConnector.class)
  49             .augmentation(FlowCapableNodeConnector.class)
  50             .build();
  51
  52     private static Multimap<Long,String> dpnToPortMultiMap = Multimaps.synchronizedListMultimap(ArrayListMultimap.<Long,String>create());
  53
  54     private static HashMap<String, String> nodeConnectorCountermap = new HashMap<String, String>();
  55
  56     public FlowNodeConnectorInventoryTranslatorImpl(final DataBroker dataBroker,final EntityOwnershipService eos) {
  57         super( FlowCapableNodeConnector.class);
  58         Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
  59
  60         entityOwnershipService = eos;
  61         final DataTreeIdentifier<FlowCapableNodeConnector> treeId =
  62                 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, getWildCardPath());
  63         try {
  64             SimpleTaskRetryLooper looper = new SimpleTaskRetryLooper(STARTUP_LOOP_TICK,
  65                     STARTUP_LOOP_MAX_RETRIES);
  66             dataTreeChangeListenerRegistration = looper.loopUntilNoException(new Callable<ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl>>() {
  67                 @Override
  68                 public ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl> call() throws Exception {
  69                     return dataBroker.registerDataTreeChangeListener(treeId, FlowNodeConnectorInventoryTranslatorImpl.this);
  70                 }
  71             });
  72         } catch (final Exception e) {
  73             LOG.warn(" FlowNodeConnectorInventoryTranslatorImpl listener registration fail!");
  74             LOG.debug("FlowNodeConnectorInventoryTranslatorImpl DataChange listener registration fail ..", e);
  75             throw new IllegalStateException("FlowNodeConnectorInventoryTranslatorImpl startup fail! System needs restart.", e);
  76         }
  77     }
  78
  79
  80     protected InstanceIdentifier<FlowCapableNodeConnector> getWildCardPath() {
  81         return InstanceIdentifier.create(Nodes.class)
  82                 .child(Node.class)
  83                 .child(NodeConnector.class)
  84                 .augmentation(FlowCapableNodeConnector.class);
  85     }
  86
  87     @Override
  88     public void close() {
  89         if (dataTreeChangeListenerRegistration != null) {
  90             try {
  91                 dataTreeChangeListenerRegistration.close();
  92             } catch (final Exception e) {
  93                 LOG.warn("Error by stop FRM FlowNodeConnectorInventoryTranslatorImpl: {}", e.getMessage());
  94                 LOG.debug("Error by stop FRM FlowNodeConnectorInventoryTranslatorImpl..", e);
  95             }
  96             dataTreeChangeListenerRegistration = null;
  97         }
  98     }
  99     @Override
 100     public void remove(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector del, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 101         if(compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 102             String sNodeConnectorIdentifier = getNodeConnectorId(String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 103             long nDpId = getDpIdFromPortName(sNodeConnectorIdentifier);
 104             if (dpnToPortMultiMap.containsKey(nDpId)) {
 105                 LOG.debug("Node Connector {} removed", sNodeConnectorIdentifier);
 106                 dpnToPortMultiMap.remove(nDpId, sNodeConnectorIdentifier);
 107                 sendNodeConnectorUpdation(nDpId);
 108                 PortNameMapping.updatePortMap("openflow:" + nDpId + ":" + del.getName(), sNodeConnectorIdentifier, "DELETE");
 109             }
 110         }
 111     }
 112
 113     @Override
 114     public void update(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector original, FlowCapableNodeConnector update, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 115         if(compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
 116
 117             //donot need to do anything as we are not considering updates here
 118             String sNodeConnectorIdentifier = getNodeConnectorId(String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 119             long nDpId = getDpIdFromPortName(sNodeConnectorIdentifier);
 120             if (isNodeOwner(getNodeId(nDpId))) {
 121                 boolean original_portstatus = original.getConfiguration().isPORTDOWN();
 122                 boolean update_portstatus = update.getConfiguration().isPORTDOWN();
 123
 124                 if (update_portstatus == true) {
 125                     //port has gone down
 126                     LOG.debug("Node Connector {} updated port is down", sNodeConnectorIdentifier);
 127                 } else if (original_portstatus == true) {
 128                     //port has come up
 129                     LOG.debug("Node Connector {} updated port is up", sNodeConnectorIdentifier);
 130                 }
 131             }
 132         }
 133     }
 134
 135     @Override
 136     public void add(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector add, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
 137         if (compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE_CONNECTOR)){
 138
 139             String sNodeConnectorIdentifier = getNodeConnectorId(String.valueOf(nodeConnIdent.firstKeyOf(NodeConnector.class).getId()));
 140             long nDpId = getDpIdFromPortName(sNodeConnectorIdentifier);
 141             if (isNodeOwner(getNodeId(nDpId))) {
 142                 if (!dpnToPortMultiMap.containsEntry(nDpId, sNodeConnectorIdentifier)) {
 143                     LOG.debug("Node Connector {} added", sNodeConnectorIdentifier);
 144                     dpnToPortMultiMap.put(nDpId, sNodeConnectorIdentifier);
 145                     sendNodeConnectorUpdation(nDpId);
 146                     PortNameMapping.updatePortMap("openflow:" + nDpId + ":" + add.getName(), sNodeConnectorIdentifier, "ADD");
 147                 } else {
 148                     LOG.error("Duplicate Event.Node Connector already added");
 149                 }
 150             }
 151         }
 152     }
 153     private String getNodeConnectorId(String node) {
 154         //Uri [_value=openflow:1:1]
 155         String temp[] = node.split("=");
 156         String dpnId = temp[1].substring(0,temp[1].length() - 1);
 157         return dpnId;
 158     }
 159
 160     private String getNodeId(Long dpnId){
 161         return "openflow:" + dpnId;
 162     }
 163     /**
 164      * Method checks if *this* instance of controller is owner of
 165      * the given openflow node.
 166      * @param nodeId openflow node Id
 167      * @return True if owner, else false
 168      */
 169     public boolean isNodeOwner(String nodeId) {
 170         Entity entity = new Entity("openflow", nodeId);
 171         Optional<EntityOwnershipState> eState = this.entityOwnershipService.getOwnershipState(entity);
 172         if(eState.isPresent()) {
 173             return eState.get().isOwner();
 174         }
 175         return false;
 176     }
 177
 178     private boolean compareInstanceIdentifierTail(InstanceIdentifier<?> identifier1,
 179                                                   InstanceIdentifier<?> identifier2) {
 180         return Iterables.getLast(identifier1.getPathArguments()).equals(Iterables.getLast(identifier2.getPathArguments()));
 181     }
 182
 183     private long getDpIdFromPortName(String portName) {
 184         String dpId = portName.substring(portName.indexOf(SEPARATOR) + 1, portName.lastIndexOf(SEPARATOR));
 185         return Long.parseLong(dpId);
 186     }
 187
 188     private void sendNodeConnectorUpdation(Long dpnId) {
 189         Collection<String> portname = dpnToPortMultiMap.get(dpnId);
 190         String nodeListPortsCountStr,counterkey;
 191         nodeListPortsCountStr = "dpnId_" + dpnId + "_NumberOfOFPorts";
 192         counterkey = "NumberOfOFPorts:" + nodeListPortsCountStr;
 193
 194         if (portname.size()!=0) {
 195             nodeConnectorCountermap.put(counterkey, "" + portname.size());
 196         } else {
 197             nodeConnectorCountermap.remove(counterkey);
 198         }
 199         LOG.debug("NumberOfOFPorts:" + nodeListPortsCountStr + " portlistsize " + portname.size());
 200         pmAgent.connectToPMAgentForNOOfPorts(nodeConnectorCountermap);
 201     }
 202 }