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
  12 import io.netty.channel.Channel;
  13 import io.netty.channel.ChannelFuture;
  14 import io.netty.channel.ChannelFutureListener;
  15
  16 import java.net.InetSocketAddress;
  17 import java.util.concurrent.ExecutionException;
  18
  19 import org.opendaylight.bgpcep.programming.spi.InstructionScheduler;
  20 import org.opendaylight.bgpcep.topology.DefaultTopologyReference;
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  23 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  24 import org.opendaylight.protocol.pcep.PCEPDispatcher;
  25 import org.opendaylight.tcpmd5.api.KeyMapping;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.topology.rev140113.NetworkTopologyContext;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.programming.rev131106.NetworkTopologyPcepProgrammingService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.NetworkTopologyPcepService;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public final class PCEPTopologyProvider extends DefaultTopologyReference implements AutoCloseable {
  35
  36     private static final Logger LOG = LoggerFactory.getLogger(PCEPTopologyProvider.class);
  37     private final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network;
  38     private final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element;
  39     private final ServerSessionManager manager;
  40     private final Channel channel;
  41
  42     private PCEPTopologyProvider(final Channel channel, final InstanceIdentifier<Topology> topology, final ServerSessionManager manager,
  43             final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element,
  44             final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network) {
  45         super(topology);
  46         this.channel = Preconditions.checkNotNull(channel);
  47         this.manager = Preconditions.checkNotNull(manager);
  48         this.element = Preconditions.checkNotNull(element);
  49         this.network = Preconditions.checkNotNull(network);
  50     }
  51
  52     public static PCEPTopologyProvider create(final PCEPDispatcher dispatcher, final InetSocketAddress address, final KeyMapping keys,
  53             final InstructionScheduler scheduler, final DataBroker dataBroker, final RpcProviderRegistry rpcRegistry,
  54             final InstanceIdentifier<Topology> topology, final TopologySessionListenerFactory listenerFactory) throws InterruptedException,
  55             ExecutionException {
  56
  57         final ServerSessionManager manager = new ServerSessionManager(dataBroker, topology, listenerFactory);
  58         final ChannelFuture f = dispatcher.createServer(address, keys, manager);
  59         f.get();
  60
  61         final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element = rpcRegistry.addRoutedRpcImplementation(
  62                 NetworkTopologyPcepService.class, new TopologyRPCs(manager));
  63         element.registerPath(NetworkTopologyContext.class, topology);
  64
  65         final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network = rpcRegistry.addRoutedRpcImplementation(
  66                 NetworkTopologyPcepProgrammingService.class, new TopologyProgramming(scheduler, manager));
  67         network.registerPath(NetworkTopologyContext.class, topology);
  68
  69         return new PCEPTopologyProvider(f.channel(), topology, manager, element, network);
  70     }
  71
  72     @Override
  73     public void close() {
  74         LOG.debug("Closing server channel {}", channel);
  75
  76         channel.close().addListener(new ChannelFutureListener() {
  77             @Override
  78             public void operationComplete(final ChannelFuture f) {
  79                 LOG.debug("Server channel {} closed", f.channel());
  80
  81                 try {
  82                     network.close();
  83                 } catch (Exception e) {
  84                     LOG.error("Failed to unregister network-level RPCs", e);
  85                 }
  86                 try {
  87                     element.close();
  88                 } catch (Exception e) {
  89                     LOG.error("Failed to unregister element-level RPCs", e);
  90                 }
  91                 try {
  92                     manager.close();
  93                 } catch (InterruptedException | ExecutionException e) {
  94                     LOG.error("Failed to shutdown session manager", e);
  95                 }
  96             }
  97         });
  98     }
  99 }