alivenessmonitor/alivenessmonitor-impl/src/main/java/org/opendaylight/vpnservice/alivenessmonitor/internal/AbstractAlivenessProtocolHandler.java

   1 /*
   2  * Copyright (c) 2015 - 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.alivenessmonitor.internal;
   9
  10 import java.util.concurrent.ExecutionException;
  11 import java.util.concurrent.Future;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetNodeconnectorIdFromInterfaceInputBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetNodeconnectorIdFromInterfaceInput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetNodeconnectorIdFromInterfaceOutput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  29 import org.opendaylight.yangtools.yang.binding.DataObject;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.common.RpcResult;
  32
  33 import com.google.common.base.Optional;
  34 import com.google.common.base.Strings;
  35
  36 abstract class AbstractAlivenessProtocolHandler implements AlivenessProtocolHandler {
  37
  38     protected ServiceProvider serviceProvider;
  39     private InventoryReader inventoryReader;
  40
  41     public AbstractAlivenessProtocolHandler(ServiceProvider serviceProvider) {
  42         this.serviceProvider = serviceProvider;
  43         inventoryReader = new InventoryReader(serviceProvider.getDataBroker());
  44     }
  45
  46     private InstanceIdentifier<NodeConnector> getNodeConnectorId(String interfaceName) {
  47         InstanceIdentifier<Interface> id =  InstanceIdentifier.builder(Interfaces.class)
  48                                       .child(Interface.class, new InterfaceKey(interfaceName)).build();
  49
  50         Optional<Interface> port = read(LogicalDatastoreType.CONFIGURATION, id);
  51         if(port.isPresent()) {
  52             NodeConnectorId ncId = getNodeConnectorIdFromInterface(interfaceName);
  53             NodeId nodeId = getNodeIdFromNodeConnectorId(ncId);
  54
  55             InstanceIdentifier<NodeConnector> ncIdentifier =
  56                                           InstanceIdentifier.builder(Nodes.class)
  57                                                       .child(Node.class, new NodeKey(nodeId))
  58                                                       .child(NodeConnector.class, new NodeConnectorKey(ncId)).build();
  59             return ncIdentifier;
  60         }
  61         return null;
  62     }
  63
  64     private NodeConnectorId getNodeConnectorIdFromInterface(String interfaceName) {
  65         GetNodeconnectorIdFromInterfaceInput input = new GetNodeconnectorIdFromInterfaceInputBuilder().setIntfName(interfaceName).build();
  66         Future<RpcResult<GetNodeconnectorIdFromInterfaceOutput>> output =  serviceProvider.getInterfaceManager().getNodeconnectorIdFromInterface(input);
  67         RpcResult<GetNodeconnectorIdFromInterfaceOutput> result = null;
  68         try {
  69              result = output.get();
  70              if(result.isSuccessful()) {
  71                  GetNodeconnectorIdFromInterfaceOutput ncIdOutput = result.getResult();
  72                  return ncIdOutput.getNodeconnectorId();
  73              }
  74         } catch(ExecutionException | InterruptedException e) {
  75             //TODO: Handle exception
  76         }
  77
  78         return null;
  79     }
  80
  81     private NodeId getNodeIdFromNodeConnectorId(NodeConnectorId ncId) {
  82         return new NodeId(ncId.getValue().substring(0,ncId.getValue().lastIndexOf(":")));
  83     }
  84
  85     protected org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceFromOperDS(String interfaceName){
  86         InstanceIdentifier.InstanceIdentifierBuilder<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> idBuilder =
  87                 InstanceIdentifier.builder(InterfacesState.class).child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.class,
  88                         new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(interfaceName));
  89         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> id = idBuilder.build();
  90         Optional<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> interfaceStateOptional = read(LogicalDatastoreType.OPERATIONAL, id);
  91         if(interfaceStateOptional.isPresent()) {
  92             return interfaceStateOptional.get();
  93         }
  94         return null;
  95     }
  96
  97     protected byte[] getMacAddress(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState, String interfaceName) {
  98         String macAddress = interfaceState.getPhysAddress().getValue();
  99         if(!Strings.isNullOrEmpty(macAddress)) {
 100             return AlivenessMonitorUtil.parseMacAddress(macAddress);
 101         }
 102         return null;
 103     }
 104
 105     private InstanceIdentifier<Interface> getInterfaceIdentifier(InterfaceKey interfaceKey) {
 106         InstanceIdentifier.InstanceIdentifierBuilder<Interface> interfaceInstanceIdentifierBuilder =
 107                 InstanceIdentifier.builder(Interfaces.class).child(Interface.class, interfaceKey);
 108         return interfaceInstanceIdentifierBuilder.build();
 109     }
 110
 111     protected Interface getInterfaceFromConfigDS(String interfaceName) {
 112         InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
 113         InstanceIdentifier<Interface> interfaceId = getInterfaceIdentifier(interfaceKey);
 114         Optional<Interface> interfaceOptional = read(LogicalDatastoreType.CONFIGURATION, interfaceId);
 115         if (!interfaceOptional.isPresent()) {
 116             return null;
 117         }
 118
 119         return interfaceOptional.get();
 120     }
 121
 122
 123     private <T extends DataObject> Optional<T> read(LogicalDatastoreType datastoreType,
 124             InstanceIdentifier<T> path) {
 125
 126         ReadOnlyTransaction tx = serviceProvider.getDataBroker().newReadOnlyTransaction();
 127
 128         Optional<T> result = Optional.absent();
 129         try {
 130             result = tx.read(datastoreType, path).get();
 131         } catch (Exception e) {
 132             throw new RuntimeException(e);
 133         } finally {
 134             tx.close();
 135         }
 136
 137         return result;
 138     }
 139
 140 }