dhcpservice/impl/src/main/java/org/opendaylight/netvirt/dhcpservice/DhcpInterfaceEventListener.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.netvirt.dhcpservice;
   9
  10 import java.util.List;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  13 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  14 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  15 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  16 import org.opendaylight.netvirt.dhcpservice.api.DhcpMConstants;
  17 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpInterfaceAddJob;
  18 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpInterfaceRemoveJob;
  19 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpInterfaceUpdateJob;
  20 import org.opendaylight.netvirt.elanmanager.api.IElanService;
  21 import org.opendaylight.netvirt.neutronvpn.api.utils.NeutronConstants;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.L2vlan;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.Tunnel;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.common.Uint64;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public class DhcpInterfaceEventListener
  36         extends AsyncDataTreeChangeListenerBase<Interface, DhcpInterfaceEventListener> {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(DhcpInterfaceEventListener.class);
  39
  40     private final DataBroker dataBroker;
  41     private final DhcpManager dhcpManager;
  42     private final DhcpExternalTunnelManager dhcpExternalTunnelManager;
  43     private final JobCoordinator jobCoordinator;
  44     private final IInterfaceManager interfaceManager;
  45     private final IElanService elanService;
  46     private final DhcpPortCache dhcpPortCache;
  47     private final ItmRpcService itmRpcService;
  48
  49     public DhcpInterfaceEventListener(DhcpManager dhcpManager, DataBroker dataBroker,
  50                                       DhcpExternalTunnelManager dhcpExternalTunnelManager,
  51                                       IInterfaceManager interfaceManager, IElanService elanService,
  52                                       DhcpPortCache dhcpPortCache, JobCoordinator jobCoordinator,
  53                                       ItmRpcService itmRpcService) {
  54         super(Interface.class, DhcpInterfaceEventListener.class);
  55         this.dhcpManager = dhcpManager;
  56         this.dataBroker = dataBroker;
  57         this.dhcpExternalTunnelManager = dhcpExternalTunnelManager;
  58         this.interfaceManager = interfaceManager;
  59         this.elanService = elanService;
  60         this.dhcpPortCache = dhcpPortCache;
  61         this.jobCoordinator = jobCoordinator;
  62         this.itmRpcService = itmRpcService;
  63         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  64     }
  65
  66     @Override
  67     public void close() {
  68         super.close();
  69         LOG.info("DhcpInterfaceEventListener Closed");
  70     }
  71
  72     @Override
  73     protected void remove(InstanceIdentifier<Interface> identifier, Interface del) {
  74         if (!L2vlan.class.equals(del.getType()) && !Tunnel.class.equals(del.getType())) {
  75             return;
  76         }
  77         List<String> ofportIds = del.getLowerLayerIf();
  78         if (ofportIds == null || ofportIds.isEmpty()) {
  79             return;
  80         }
  81         String interfaceName = del.getName();
  82         Port port = dhcpPortCache.get(interfaceName);
  83         if (NeutronConstants.IS_DHCP_PORT.test(port)) {
  84             return;
  85         }
  86         NodeConnectorId nodeConnectorId = new NodeConnectorId(ofportIds.get(0));
  87         Uint64 dpnId = DhcpServiceUtils.getDpnIdFromNodeConnectorId(nodeConnectorId);
  88
  89         DhcpInterfaceRemoveJob job = new DhcpInterfaceRemoveJob(dhcpManager, dhcpExternalTunnelManager,
  90                 dataBroker, del, dpnId, interfaceManager, elanService, port);
  91         jobCoordinator.enqueueJob(DhcpServiceUtils.getJobKey(interfaceName), job, DhcpMConstants.RETRY_COUNT);
  92         dhcpPortCache.remove(interfaceName);
  93     }
  94
  95     @Override
  96     protected void update(InstanceIdentifier<Interface> identifier,
  97             Interface original, Interface update) {
  98         // We're only interested in Vlan and Tunnel ports
  99         if (!L2vlan.class.equals(update.getType()) && !Tunnel.class.equals(update.getType())) {
 100             return;
 101         }
 102         if ((original.getOperStatus().getIntValue() ^ update.getOperStatus().getIntValue()) == 0) {
 103             LOG.trace("Interface operstatus is same orig {} updated {}", original, update);
 104             return;
 105         }
 106         List<String> ofportIds = update.getLowerLayerIf();
 107         if (ofportIds == null || ofportIds.isEmpty()) {
 108             return;
 109         }
 110         NodeConnectorId nodeConnectorId = new NodeConnectorId(ofportIds.get(0));
 111         Uint64 dpnId = DhcpServiceUtils.getDpnIdFromNodeConnectorId(nodeConnectorId);
 112         String interfaceName = update.getName();
 113         OperStatus updatedOperStatus = update.getOperStatus();
 114         if (original.getOperStatus().equals(OperStatus.Up) && updatedOperStatus.equals(OperStatus.Unknown)) {
 115             updatedOperStatus = OperStatus.Down;
 116         }
 117         DhcpInterfaceUpdateJob job = new DhcpInterfaceUpdateJob(dhcpExternalTunnelManager, dataBroker,
 118                 interfaceName, dpnId, updatedOperStatus, interfaceManager);
 119         jobCoordinator.enqueueJob(DhcpServiceUtils.getJobKey(interfaceName), job, DhcpMConstants.RETRY_COUNT);
 120     }
 121
 122     @Override
 123     protected void add(InstanceIdentifier<Interface> identifier, Interface add) {
 124         // We're only interested in Vlan and Tunnel ports
 125         if (!L2vlan.class.equals(add.getType()) && !Tunnel.class.equals(add.getType())) {
 126             return;
 127         }
 128         String interfaceName = add.getName();
 129         LOG.trace("DhcpInterfaceAddJob to be created for interface {}", interfaceName);
 130         List<String> ofportIds = add.getLowerLayerIf();
 131         if (ofportIds == null || ofportIds.isEmpty()) {
 132             return;
 133         }
 134         if (!Tunnel.class.equals(add.getType())) {
 135             Port port = dhcpManager.getNeutronPort(interfaceName);
 136             if (NeutronConstants.IS_DHCP_PORT.test(port)) {
 137                 return;
 138             }
 139             dhcpPortCache.put(interfaceName, port);
 140         }
 141         NodeConnectorId nodeConnectorId = new NodeConnectorId(ofportIds.get(0));
 142         Uint64 dpnId = DhcpServiceUtils.getDpnIdFromNodeConnectorId(nodeConnectorId);
 143         DhcpInterfaceAddJob job = new DhcpInterfaceAddJob(dhcpManager, dhcpExternalTunnelManager, dataBroker,
 144                 add, dpnId, interfaceManager, elanService, itmRpcService);
 145         jobCoordinator.enqueueJob(DhcpServiceUtils.getJobKey(interfaceName), job, DhcpMConstants.RETRY_COUNT);
 146     }
 147
 148     @Override
 149     protected InstanceIdentifier<Interface> getWildCardPath() {
 150         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
 151     }
 152
 153     @Override
 154     protected DhcpInterfaceEventListener getDataTreeChangeListener() {
 155         return DhcpInterfaceEventListener.this;
 156     }
 157 }