netconf/callhome-protocol/src/main/java/org/opendaylight/netconf/callhome/protocol/ReverseSshChannelInitializer.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communication Systems 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
   9 package org.opendaylight.netconf.callhome.protocol;
  10
  11 import io.netty.channel.Channel;
  12 import io.netty.util.concurrent.Promise;
  13 import org.opendaylight.netconf.client.NetconfClientSession;
  14 import org.opendaylight.netconf.client.NetconfClientSessionListener;
  15 import org.opendaylight.netconf.client.NetconfClientSessionNegotiatorFactory;
  16 import org.opendaylight.netconf.nettyutil.AbstractChannelInitializer;
  17 import org.opendaylight.protocol.framework.SessionListenerFactory;
  18
  19 final class ReverseSshChannelInitializer extends AbstractChannelInitializer<NetconfClientSession>
  20         implements SessionListenerFactory<NetconfClientSessionListener> {
  21
  22     private final NetconfClientSessionNegotiatorFactory negotiatorFactory;
  23     private final NetconfClientSessionListener sessionListener;
  24
  25     private ReverseSshChannelInitializer(NetconfClientSessionNegotiatorFactory negotiatorFactory,
  26                                          NetconfClientSessionListener sessionListener) {
  27         this.negotiatorFactory = negotiatorFactory;
  28         this.sessionListener = sessionListener;
  29     }
  30
  31     public static ReverseSshChannelInitializer create(NetconfClientSessionNegotiatorFactory negotiatorFactory,
  32                                                       NetconfClientSessionListener listener) {
  33         return new ReverseSshChannelInitializer(negotiatorFactory, listener);
  34     }
  35
  36     @Override
  37     public NetconfClientSessionListener getSessionListener() {
  38         return sessionListener;
  39     }
  40
  41     @Override
  42     protected void initializeSessionNegotiator(Channel ch, Promise<NetconfClientSession> promise) {
  43         ch.pipeline().addAfter(NETCONF_MESSAGE_DECODER, AbstractChannelInitializer.NETCONF_SESSION_NEGOTIATOR,
  44                 negotiatorFactory.getSessionNegotiator(this, ch, promise));
  45     }
  46 }