2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.netconf.client;
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.AbstractChannelInitializer;
14 import org.opendaylight.netconf.nettyutil.handler.ssh.authentication.AuthenticationHandler;
15 import org.opendaylight.netconf.nettyutil.handler.ssh.client.AsyncSshHandler;
16 import org.opendaylight.netconf.nettyutil.handler.ssh.client.NetconfSshClient;
18 final class SshClientChannelInitializer extends AbstractChannelInitializer<NetconfClientSession> {
19 private final AuthenticationHandler authenticationHandler;
20 private final NetconfClientSessionNegotiatorFactory negotiatorFactory;
21 private final NetconfClientSessionListener sessionListener;
22 private final NetconfSshClient sshClient;
24 SshClientChannelInitializer(final AuthenticationHandler authHandler,
25 final NetconfClientSessionNegotiatorFactory negotiatorFactory,
26 final NetconfClientSessionListener sessionListener, @Nullable final NetconfSshClient sshClient) {
27 this.authenticationHandler = authHandler;
28 this.negotiatorFactory = negotiatorFactory;
29 this.sessionListener = sessionListener;
30 this.sshClient = sshClient;
33 SshClientChannelInitializer(final AuthenticationHandler authHandler,
34 final NetconfClientSessionNegotiatorFactory negotiatorFactory,
35 final NetconfClientSessionListener sessionListener) {
36 this(authHandler, negotiatorFactory, sessionListener, null);
40 public void initialize(final Channel ch, final Promise<NetconfClientSession> promise) {
41 // ssh handler has to be the first handler in pipeline
42 ch.pipeline().addFirst(AsyncSshHandler.createForNetconfSubsystem(authenticationHandler, promise, sshClient));
43 super.initialize(ch, promise);
47 protected void initializeSessionNegotiator(final Channel ch,
48 final Promise<NetconfClientSession> promise) {
49 ch.pipeline().addAfter(NETCONF_MESSAGE_DECODER, AbstractChannelInitializer.NETCONF_SESSION_NEGOTIATOR,
50 negotiatorFactory.getSessionNegotiator(() -> sessionListener, ch, promise));
51 ch.config().setConnectTimeoutMillis((int)negotiatorFactory.getConnectionTimeoutMillis());