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