dhcpservice/impl/src/main/java/org/opendaylight/netvirt/dhcpservice/DhcpAllocationPoolListener.java

   1 /*
   2  * Copyright (c) 2017 Hewlett Packard Enterprise, Co. 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 java.util.Map;
  13 import java.util.Map.Entry;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  18 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  19 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  20 import org.opendaylight.netvirt.dhcpservice.api.DhcpMConstants;
  21 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpAllocationPoolAddJob;
  22 import org.opendaylight.netvirt.dhcpservice.jobs.DhcpAllocationPoolRemoveJob;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.dhcp_allocation_pool.rev161214.DhcpAllocationPool;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.dhcp_allocation_pool.rev161214.dhcp_allocation_pool.Network;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.dhcp_allocation_pool.rev161214.dhcp_allocation_pool.network.AllocationPool;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.opendaylight.yangtools.yang.common.Uint64;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class DhcpAllocationPoolListener
  32         extends AsyncDataTreeChangeListenerBase<AllocationPool, DhcpAllocationPoolListener> {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(DhcpAllocationPoolListener.class);
  35
  36     private final DhcpAllocationPoolManager dhcpAllocationPoolManager;
  37     private final DataBroker dataBroker;
  38     private final ManagedNewTransactionRunner txRunner;
  39     private final JobCoordinator jobCoordinator;
  40
  41     public DhcpAllocationPoolListener(final DhcpAllocationPoolManager dhcpAllocationPoolManager,
  42             final DataBroker dataBroker, final JobCoordinator jobCoordinator) {
  43         super(AllocationPool.class, DhcpAllocationPoolListener.class);
  44         this.dhcpAllocationPoolManager = dhcpAllocationPoolManager;
  45         this.dataBroker = dataBroker;
  46         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  47         this.jobCoordinator = jobCoordinator;
  48         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  49         LOG.info("DhcpAllocationPoolListener initialized");
  50     }
  51
  52     @Override
  53     protected void add(InstanceIdentifier<AllocationPool> key, AllocationPool dataObjectModification) {
  54         String networkId = key.firstKeyOf(Network.class).getNetworkId();
  55         dhcpAllocationPoolManager.createIdAllocationPool(networkId, dataObjectModification);
  56         Map<Uint64, List<String>> elanDpnInterfacesByName =
  57             dhcpAllocationPoolManager.getElanDpnInterfacesByName(dataBroker, networkId);
  58         for (Entry<Uint64, List<String>> entry : elanDpnInterfacesByName.entrySet()) {
  59             BigInteger dpnId = entry.getKey().toJava();
  60             for (String interfaceName : entry.getValue()) {
  61                 LOG.debug("Install Dhcp Entries for dpId: {} interface : {}", dpnId, interfaceName);
  62                 DhcpAllocationPoolAddJob job = new DhcpAllocationPoolAddJob(txRunner, interfaceName);
  63                 jobCoordinator.enqueueJob(DhcpServiceUtils.getJobKey(interfaceName), job,
  64                         DhcpMConstants.RETRY_COUNT);
  65             }
  66         }
  67     }
  68
  69     @Override
  70     protected DhcpAllocationPoolListener getDataTreeChangeListener() {
  71         return this;
  72     }
  73
  74     @Override
  75     protected InstanceIdentifier<AllocationPool> getWildCardPath() {
  76         return InstanceIdentifier.builder(DhcpAllocationPool.class)//
  77                 .child(Network.class).child(AllocationPool.class).build();
  78     }
  79
  80     @Override
  81     protected void remove(InstanceIdentifier<AllocationPool> key, AllocationPool dataObjectModification) {
  82         String networkId = key.firstKeyOf(Network.class).getNetworkId();
  83         dhcpAllocationPoolManager.releaseIdAllocationPool(networkId, dataObjectModification);
  84         Map<Uint64, List<String>> elanDpnInterfacesByName =
  85             dhcpAllocationPoolManager.getElanDpnInterfacesByName(dataBroker, networkId);
  86         elanDpnInterfacesByName.values().forEach(interfaceNames -> interfaceNames.forEach(interfaceName -> {
  87             DhcpAllocationPoolRemoveJob job = new DhcpAllocationPoolRemoveJob(txRunner, interfaceName);
  88             jobCoordinator.enqueueJob(DhcpServiceUtils.getJobKey(interfaceName), job,
  89                     DhcpMConstants.RETRY_COUNT);
  90         }));
  91     }
  92
  93     @Override
  94     protected void update(InstanceIdentifier<AllocationPool> key, AllocationPool dataObjectModificationBefore,
  95             AllocationPool dataObjectModificationAfter) {
  96         // TODO Auto-generated method stub
  97
  98     }
  99 }