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.Optional;
  11 import com.google.common.base.Preconditions;
  12 import io.netty.channel.Channel;
  13 import io.netty.channel.ChannelFuture;
  14 import io.netty.channel.ChannelFutureListener;
  15 import java.net.InetSocketAddress;
  16 import java.util.concurrent.ExecutionException;
  17 import org.opendaylight.bgpcep.programming.spi.InstructionScheduler;
  18 import org.opendaylight.bgpcep.topology.DefaultTopologyReference;
  19 import org.opendaylight.controller.config.yang.pcep.topology.provider.PCEPTopologyProviderRuntimeRegistrator;
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  22 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  23 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  24 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  25 import org.opendaylight.protocol.pcep.PCEPDispatcher;
  26 import org.opendaylight.tcpmd5.api.KeyMapping;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.topology.rev140113.NetworkTopologyContext;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.programming.rev131106.NetworkTopologyPcepProgrammingService;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.NetworkTopologyPcepService;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public final class PCEPTopologyProvider extends DefaultTopologyReference implements AutoCloseable {
  36
  37     private static final Logger LOG = LoggerFactory.getLogger(PCEPTopologyProvider.class);
  38     private final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network;
  39     private final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element;
  40     private final ServerSessionManager manager;
  41     private final Channel channel;
  42
  43     private PCEPTopologyProvider(final Channel channel, final InstanceIdentifier<Topology> topology, final ServerSessionManager manager,
  44             final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element,
  45             final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network) {
  46         super(topology);
  47         this.channel = Preconditions.checkNotNull(channel);
  48         this.manager = Preconditions.checkNotNull(manager);
  49         this.element = Preconditions.checkNotNull(element);
  50         this.network = Preconditions.checkNotNull(network);
  51     }
  52
  53     public static PCEPTopologyProvider create(final PCEPDispatcher dispatcher, final InetSocketAddress address, final KeyMapping keys,
  54             final InstructionScheduler scheduler, final DataBroker dataBroker, final RpcProviderRegistry rpcRegistry,
  55             final InstanceIdentifier<Topology> topology, final TopologySessionListenerFactory listenerFactory,
  56             final Optional<PCEPTopologyProviderRuntimeRegistrator> runtimeRootRegistrator) throws InterruptedException,
  57             ExecutionException, ReadFailedException, TransactionCommitFailedException {
  58
  59         final ServerSessionManager manager = new ServerSessionManager(dataBroker, topology, listenerFactory);
  60         if (runtimeRootRegistrator.isPresent()) {
  61             manager.registerRuntimeRootRegistartion(runtimeRootRegistrator.get());
  62         }
  63         final ChannelFuture f = dispatcher.createServer(address, keys, manager);
  64         f.get();
  65
  66         final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepService> element = rpcRegistry.addRoutedRpcImplementation(
  67                 NetworkTopologyPcepService.class, new TopologyRPCs(manager));
  68         element.registerPath(NetworkTopologyContext.class, topology);
  69
  70         final BindingAwareBroker.RoutedRpcRegistration<NetworkTopologyPcepProgrammingService> network = rpcRegistry.addRoutedRpcImplementation(
  71                 NetworkTopologyPcepProgrammingService.class, new TopologyProgramming(scheduler, manager));
  72         network.registerPath(NetworkTopologyContext.class, topology);
  73
  74         return new PCEPTopologyProvider(f.channel(), topology, manager, element, network);
  75     }
  76
  77     @Override
  78     public void close() throws InterruptedException {
  79         LOG.debug("Closing server channel {}", this.channel);
  80
  81         this.channel.close().addListener(new ChannelFutureListener() {
  82             @Override
  83             public void operationComplete(final ChannelFuture f) {
  84                 LOG.debug("Server channel {} closed", f.channel());
  85
  86                 try {
  87                     PCEPTopologyProvider.this.network.close();
  88                 } catch (final Exception e) {
  89                     LOG.error("Failed to unregister network-level RPCs", e);
  90                 }
  91                 try {
  92                     PCEPTopologyProvider.this.element.close();
  93                 } catch (final Exception e) {
  94                     LOG.error("Failed to unregister element-level RPCs", e);
  95                 }
  96                 try {
  97                     PCEPTopologyProvider.this.manager.close();
  98                 } catch (final Exception e) {
  99                     LOG.error("Failed to shutdown session manager", e);
 100                 }
 101             }
 102         }).await();
 103     }
 104 }