netconf/netconf-impl/src/main/java/org/opendaylight/netconf/impl/ServerChannelInitializer.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.netconf.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import io.netty.channel.Channel;
  13 import io.netty.util.concurrent.Promise;
  14 import org.opendaylight.netconf.impl.util.DeserializerExceptionHandler;
  15 import org.opendaylight.netconf.nettyutil.AbstractChannelInitializer;
  16
  17 public final class ServerChannelInitializer extends AbstractChannelInitializer<NetconfServerSession> {
  18     private static final String DESERIALIZER_EX_HANDLER_KEY = "deserializerExHandler";
  19
  20     private final NetconfServerSessionNegotiatorFactory negotiatorFactory;
  21
  22     public ServerChannelInitializer(final NetconfServerSessionNegotiatorFactory negotiatorFactory) {
  23         this.negotiatorFactory = requireNonNull(negotiatorFactory);
  24     }
  25
  26     @Override
  27     protected void initializeMessageDecoder(final Channel ch) {
  28         super.initializeMessageDecoder(ch);
  29         ch.pipeline().addLast(DESERIALIZER_EX_HANDLER_KEY, new DeserializerExceptionHandler());
  30     }
  31
  32     @Override
  33     protected void initializeSessionNegotiator(final Channel ch, final Promise<NetconfServerSession> promise) {
  34         ch.pipeline().addAfter(DESERIALIZER_EX_HANDLER_KEY, NETCONF_SESSION_NEGOTIATOR,
  35             negotiatorFactory.getSessionNegotiator(null, ch, promise));
  36     }
  37 }