pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/PCEPDispatcherImpl.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.protocol.pcep.impl;
   9
  10 import com.google.common.base.Preconditions;
  11
  12 import io.netty.bootstrap.Bootstrap;
  13 import io.netty.bootstrap.ServerBootstrap;
  14 import io.netty.channel.ChannelFuture;
  15 import io.netty.channel.EventLoopGroup;
  16 import io.netty.channel.socket.SocketChannel;
  17 import io.netty.util.concurrent.Promise;
  18
  19 import java.net.InetSocketAddress;
  20
  21 import org.opendaylight.bgpcep.tcpmd5.KeyMapping;
  22 import org.opendaylight.bgpcep.tcpmd5.netty.MD5ChannelFactory;
  23 import org.opendaylight.bgpcep.tcpmd5.netty.MD5ChannelOption;
  24 import org.opendaylight.bgpcep.tcpmd5.netty.MD5ServerChannelFactory;
  25 import org.opendaylight.protocol.framework.AbstractDispatcher;
  26 import org.opendaylight.protocol.framework.SessionListenerFactory;
  27 import org.opendaylight.protocol.framework.SessionNegotiatorFactory;
  28 import org.opendaylight.protocol.pcep.PCEPDispatcher;
  29 import org.opendaylight.protocol.pcep.PCEPSessionListener;
  30 import org.opendaylight.protocol.pcep.spi.MessageRegistry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 /**
  36  * Implementation of PCEPDispatcher.
  37  */
  38 public class PCEPDispatcherImpl extends AbstractDispatcher<PCEPSessionImpl, PCEPSessionListener> implements PCEPDispatcher, AutoCloseable {
  39     private static final Logger LOG = LoggerFactory.getLogger(PCEPDispatcherImpl.class);
  40     private final SessionNegotiatorFactory<Message, PCEPSessionImpl, PCEPSessionListener> snf;
  41     private final MD5ServerChannelFactory<?> scf;
  42     private final MD5ChannelFactory<?> cf;
  43     private final PCEPHandlerFactory hf;
  44     private KeyMapping keys;
  45
  46     /**
  47      * Creates an instance of PCEPDispatcherImpl, gets the default selector and opens it.
  48      */
  49     public PCEPDispatcherImpl(final MessageRegistry registry,
  50             final SessionNegotiatorFactory<Message, PCEPSessionImpl, PCEPSessionListener> negotiatorFactory,
  51             final EventLoopGroup bossGroup, final EventLoopGroup workerGroup) {
  52         this(registry, negotiatorFactory, bossGroup, workerGroup, null, null);
  53     }
  54
  55     /**
  56      * Creates an instance of PCEPDispatcherImpl, gets the default selector and opens it.
  57      */
  58     public PCEPDispatcherImpl(final MessageRegistry registry,
  59             final SessionNegotiatorFactory<Message, PCEPSessionImpl, PCEPSessionListener> negotiatorFactory,
  60             final EventLoopGroup bossGroup, final EventLoopGroup workerGroup, final MD5ChannelFactory<?> cf,
  61             final MD5ServerChannelFactory<?> scf) {
  62         super(bossGroup, workerGroup);
  63         this.cf = cf;
  64         this.scf = scf;
  65         this.snf = Preconditions.checkNotNull(negotiatorFactory);
  66         this.hf = new PCEPHandlerFactory(registry);
  67     }
  68
  69     @Override
  70     public synchronized ChannelFuture createServer(final InetSocketAddress address,
  71             final SessionListenerFactory<PCEPSessionListener> listenerFactory) {
  72         return createServer(address, null, listenerFactory);
  73     }
  74
  75     @Override
  76     public void close() {
  77     }
  78
  79     @Override
  80     protected void customizeBootstrap(final Bootstrap b) {
  81         if (keys != null && !keys.isEmpty()) {
  82             if (cf == null) {
  83                 throw new UnsupportedOperationException("No key access instance available, cannot use key mapping");
  84             }
  85
  86             LOG.debug("Adding MD5 keys {} to boostrap {}", keys, b);
  87             b.channelFactory(cf);
  88             b.option(MD5ChannelOption.TCP_MD5SIG, keys);
  89         }
  90     }
  91
  92     @Override
  93     protected void customizeBootstrap(final ServerBootstrap b) {
  94         if (keys != null && !keys.isEmpty()) {
  95             if (scf == null) {
  96                 throw new UnsupportedOperationException("No key access instance available, cannot use key mapping");
  97             }
  98
  99             LOG.debug("Adding MD5 keys {} to boostrap {}", keys, b);
 100             b.channelFactory(scf);
 101             b.option(MD5ChannelOption.TCP_MD5SIG, keys);
 102         }
 103     }
 104
 105     @Override
 106     public synchronized ChannelFuture createServer(final InetSocketAddress address, final KeyMapping keys,
 107             final SessionListenerFactory<PCEPSessionListener> listenerFactory) {
 108         this.keys = keys;
 109         ChannelFuture ret = super.createServer(address, new PipelineInitializer<PCEPSessionImpl>() {
 110             @Override
 111             public void initializeChannel(final SocketChannel ch, final Promise<PCEPSessionImpl> promise) {
 112                 ch.pipeline().addLast(PCEPDispatcherImpl.this.hf.getDecoders());
 113                 ch.pipeline().addLast("negotiator", PCEPDispatcherImpl.this.snf.getSessionNegotiator(listenerFactory, ch, promise));
 114                 ch.pipeline().addLast(PCEPDispatcherImpl.this.hf.getEncoders());
 115             }
 116         });
 117
 118         this.keys = null;
 119         return ret;
 120     }
 121 }