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.math.BigInteger;
  11 import java.util.List;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  15 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  16 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  17 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  18 import org.opendaylight.netvirt.dhcpservice.api.DhcpMConstants;
  19 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpInterfaceAddJob;
  20 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpInterfaceRemoveJob;
  21 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpInterfaceUpdateJob;
  22 import org.opendaylight.netvirt.elanmanager.api.IElanService;
  23 import org.opendaylight.netvirt.neutronvpn.api.utils.NeutronConstants;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class DhcpInterfaceEventListener
  37         extends AsyncDataTreeChangeListenerBase<Interface, DhcpInterfaceEventListener> {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(DhcpInterfaceEventListener.class);
  40
  41     private final DataBroker dataBroker;
  42     private final DhcpManager dhcpManager;
  43     private final DhcpExternalTunnelManager dhcpExternalTunnelManager;
  44     private final JobCoordinator jobCoordinator;
  45     private final IInterfaceManager interfaceManager;
  46     private final IElanService elanService;
  47     private final DhcpPortCache dhcpPortCache;
  48     private final ItmRpcService itmRpcService;
  49
  50     public DhcpInterfaceEventListener(DhcpManager dhcpManager, DataBroker dataBroker,
  51                                       DhcpExternalTunnelManager dhcpExternalTunnelManager,
  52                                       IInterfaceManager interfaceManager, IElanService elanService,
  53                                       DhcpPortCache dhcpPortCache, JobCoordinator jobCoordinator,
  54                                       ItmRpcService itmRpcService) {
  55         super(Interface.class, DhcpInterfaceEventListener.class);
  56         this.dhcpManager = dhcpManager;
  57         this.dataBroker = dataBroker;
  58         this.dhcpExternalTunnelManager = dhcpExternalTunnelManager;
  59         this.interfaceManager = interfaceManager;
  60         this.elanService = elanService;
  61         this.dhcpPortCache = dhcpPortCache;
  62         this.jobCoordinator = jobCoordinator;
  63         this.itmRpcService = itmRpcService;
  64         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  65     }
  66
  67     @Override
  68     public void close() {
  69         super.close();
  70         LOG.info("DhcpInterfaceEventListener Closed");
  71     }
  72
  73     @Override
  74     protected void remove(InstanceIdentifier<Interface> identifier, Interface del) {
  75         if (!L2vlan.class.equals(del.getType()) && !Tunnel.class.equals(del.getType())) {
  76             return;
  77         }
  78         List<String> ofportIds = del.getLowerLayerIf();
  79         if (ofportIds == null || ofportIds.isEmpty()) {
  80             return;
  81         }
  82         String interfaceName = del.getName();
  83         Port port = dhcpPortCache.get(interfaceName);
  84         if (NeutronConstants.IS_DHCP_PORT.test(port)) {
  85             return;
  86         }
  87         NodeConnectorId nodeConnectorId = new NodeConnectorId(ofportIds.get(0));
  88         BigInteger dpnId = BigInteger.valueOf(MDSALUtil.getDpnIdFromPortName(nodeConnectorId));
  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", update.getOperStatus());
 104             return;
 105         }
 106
 107         if (original.getOperStatus().equals(OperStatus.Unknown) || update.getOperStatus().equals(OperStatus.Unknown)) {
 108             LOG.trace("New/old interface state is unknown not handling");
 109             return;
 110         }
 111
 112         List<String> ofportIds = update.getLowerLayerIf();
 113         if (ofportIds == null || ofportIds.isEmpty()) {
 114             return;
 115         }
 116         NodeConnectorId nodeConnectorId = new NodeConnectorId(ofportIds.get(0));
 117         BigInteger dpnId = BigInteger.valueOf(MDSALUtil.getDpnIdFromPortName(nodeConnectorId));
 118         String interfaceName = update.getName();
 119         DhcpInterfaceUpdateJob job = new DhcpInterfaceUpdateJob(dhcpExternalTunnelManager, dataBroker,
 120                 interfaceName, dpnId, update.getOperStatus(), interfaceManager);
 121         jobCoordinator.enqueueJob(DhcpServiceUtils.getJobKey(interfaceName), job, DhcpMConstants.RETRY_COUNT);
 122     }
 123
 124     @Override
 125     protected void add(InstanceIdentifier<Interface> identifier, Interface add) {
 126         // We're only interested in Vlan and Tunnel ports
 127         if (!L2vlan.class.equals(add.getType()) && !Tunnel.class.equals(add.getType())) {
 128             return;
 129         }
 130         String interfaceName = add.getName();
 131         LOG.trace("DhcpInterfaceAddJob to be created for interface {}", interfaceName);
 132         List<String> ofportIds = add.getLowerLayerIf();
 133         if (ofportIds == null || ofportIds.isEmpty()) {
 134             return;
 135         }
 136         Port port = dhcpManager.getNeutronPort(interfaceName);
 137         if (NeutronConstants.IS_DHCP_PORT.test(port)) {
 138             return;
 139         }
 140         dhcpPortCache.put(interfaceName, port);
 141         NodeConnectorId nodeConnectorId = new NodeConnectorId(ofportIds.get(0));
 142         BigInteger dpnId = BigInteger.valueOf(MDSALUtil.getDpnIdFromPortName(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 }