opendaylight/netconf/netconf-client/src/main/java/org/opendaylight/controller/netconf/client/SshClientChannelInitializer.java

   1 /*
   2  * Copyright (c) 2014 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.controller.netconf.client;
   9
  10 import io.netty.channel.socket.SocketChannel;
  11 import io.netty.util.concurrent.Promise;
  12 import java.io.IOException;
  13 import org.opendaylight.controller.netconf.nettyutil.AbstractChannelInitializer;
  14 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.SshHandler;
  15 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.authentication.AuthenticationHandler;
  16 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.client.Invoker;
  17 import org.opendaylight.protocol.framework.SessionListenerFactory;
  18
  19 final class SshClientChannelInitializer extends AbstractChannelInitializer<NetconfClientSession> {
  20
  21     private final AuthenticationHandler authenticationHandler;
  22     private final NetconfClientSessionNegotiatorFactory negotiatorFactory;
  23     private final NetconfClientSessionListener sessionListener;
  24
  25     public SshClientChannelInitializer(final AuthenticationHandler authHandler,
  26                                        final NetconfClientSessionNegotiatorFactory negotiatorFactory,
  27                                        final NetconfClientSessionListener sessionListener) {
  28         this.authenticationHandler = authHandler;
  29         this.negotiatorFactory = negotiatorFactory;
  30         this.sessionListener = sessionListener;
  31     }
  32
  33     @Override
  34     public void initialize(final SocketChannel ch, final Promise<NetconfClientSession> promise) {
  35         try {
  36             final Invoker invoker = Invoker.subsystem("netconf");
  37             ch.pipeline().addFirst(new SshHandler(authenticationHandler, invoker));
  38             super.initialize(ch,promise);
  39         } catch (final IOException e) {
  40             throw new RuntimeException(e);
  41         }
  42     }
  43
  44     @Override
  45     protected void initializeSessionNegotiator(final SocketChannel ch,
  46                                                final Promise<NetconfClientSession> promise) {
  47         ch.pipeline().addAfter(NETCONF_MESSAGE_DECODER,  AbstractChannelInitializer.NETCONF_SESSION_NEGOTIATOR,
  48                 negotiatorFactory.getSessionNegotiator(new SessionListenerFactory<NetconfClientSessionListener>() {
  49                     @Override
  50                     public NetconfClientSessionListener getSessionListener() {
  51                         return sessionListener;
  52                     }
  53                 }, ch, promise));
  54     }
  55 }