pcep/topology-provider/src/main/java/org/opendaylight/bgpcep/pcep/topology/provider/PCEPTopologyProvider.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. 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.bgpcep.pcep.topology.provider;
   9
  10 import com.google.common.base.Preconditions;
  11 import io.netty.channel.Channel;
  12 import io.netty.channel.ChannelFuture;
  13 import io.netty.channel.ChannelFutureListener;
  14 import java.net.InetSocketAddress;
  15 import java.util.concurrent.ExecutionException;
  16 import org.opendaylight.bgpcep.programming.spi.InstructionScheduler;
  17 import org.opendaylight.bgpcep.topology.DefaultTopologyReference;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  20 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  21 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  22 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  23 import org.opendaylight.protocol.pcep.PCEPDispatcher;
  24 import org.opendaylight.tcpmd5.api.KeyMapping;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.topology.rev140113.NetworkTopologyContext;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.programming.rev131106.NetworkTopologyPcepProgrammingService;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.NetworkTopologyPcepService;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public final class PCEPTopologyProvider extends DefaultTopologyReference implements AutoCloseable {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(PCEPTopologyProvider.class);
  36     private final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network;
  37     private final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element;
  38     private final ServerSessionManager manager;
  39     private final Channel channel;
  40
  41     private PCEPTopologyProvider(final Channel channel, final InstanceIdentifier<Topology> topology, final ServerSessionManager manager,
  42             final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element,
  43             final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network) {
  44         super(topology);
  45         this.channel = Preconditions.checkNotNull(channel);
  46         this.manager = Preconditions.checkNotNull(manager);
  47         this.element = Preconditions.checkNotNull(element);
  48         this.network = Preconditions.checkNotNull(network);
  49     }
  50
  51     public static PCEPTopologyProvider create(final PCEPDispatcher dispatcher, final InetSocketAddress address, final KeyMapping keys,
  52             final InstructionScheduler scheduler, final DataBroker dataBroker, final RpcProviderRegistry rpcRegistry,
  53             final InstanceIdentifier<Topology> topology, final TopologySessionListenerFactory listenerFactory) throws InterruptedException,
  54             ExecutionException, ReadFailedException, TransactionCommitFailedException {
  55
  56         final ServerSessionManager manager = new ServerSessionManager(dataBroker, topology, listenerFactory);
  57         final ChannelFuture f = dispatcher.createServer(address, keys, manager);
  58         f.get();
  59
  60         final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element = rpcRegistry.addRoutedRpcImplementation(
  61                 NetworkTopologyPcepService.class, new TopologyRPCs(manager));
  62         element.registerPath(NetworkTopologyContext.class, topology);
  63
  64         final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network = rpcRegistry.addRoutedRpcImplementation(
  65                 NetworkTopologyPcepProgrammingService.class, new TopologyProgramming(scheduler, manager));
  66         network.registerPath(NetworkTopologyContext.class, topology);
  67
  68         return new PCEPTopologyProvider(f.channel(), topology, manager, element, network);
  69     }
  70
  71     @Override
  72     public void close() {
  73         LOG.debug("Closing server channel {}", channel);
  74
  75         channel.close().addListener(new ChannelFutureListener() {
  76             @Override
  77             public void operationComplete(final ChannelFuture f) {
  78                 LOG.debug("Server channel {} closed", f.channel());
  79
  80                 try {
  81                     network.close();
  82                 } catch (Exception e) {
  83                     LOG.error("Failed to unregister network-level RPCs", e);
  84                 }
  85                 try {
  86                     element.close();
  87                 } catch (Exception e) {
  88                     LOG.error("Failed to unregister element-level RPCs", e);
  89                 }
  90                 try {
  91                     manager.close();
  92                 } catch (Exception e) {
  93                     LOG.error("Failed to shutdown session manager", e);
  94                 }
  95             }
  96         });
  97     }
  98 }