netconf/netconf-client/src/main/java/org/opendaylight/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.netconf.client;
   9
  10 import io.netty.channel.Channel;
  11 import io.netty.util.concurrent.Promise;
  12 import org.eclipse.jdt.annotation.Nullable;
  13 import org.opendaylight.netconf.nettyutil.handler.ssh.authentication.AuthenticationHandler;
  14 import org.opendaylight.netconf.nettyutil.handler.ssh.client.AsyncSshHandler;
  15 import org.opendaylight.netconf.nettyutil.handler.ssh.client.NetconfSshClient;
  16
  17 final class SshClientChannelInitializer extends AbstractClientChannelInitializer {
  18     private final AuthenticationHandler authenticationHandler;
  19     private final NetconfSshClient sshClient;
  20
  21     SshClientChannelInitializer(final AuthenticationHandler authHandler,
  22             final NetconfClientSessionNegotiatorFactory negotiatorFactory,
  23             final NetconfClientSessionListener sessionListener, @Nullable final NetconfSshClient sshClient) {
  24         super(negotiatorFactory, sessionListener);
  25         authenticationHandler = authHandler;
  26         this.sshClient = sshClient;
  27     }
  28
  29     SshClientChannelInitializer(final AuthenticationHandler authHandler,
  30             final NetconfClientSessionNegotiatorFactory negotiatorFactory,
  31             final NetconfClientSessionListener sessionListener) {
  32         this(authHandler, negotiatorFactory, sessionListener, null);
  33     }
  34
  35     @Override
  36     public void initialize(final Channel ch, final Promise<NetconfClientSession> promise) {
  37         // ssh handler has to be the first handler in pipeline
  38         ch.pipeline().addFirst(AsyncSshHandler.createForNetconfSubsystem(authenticationHandler, promise, sshClient));
  39         super.initialize(ch, promise);
  40     }
  41 }