2 * Copyright (c) 2013 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
9 package org.opendaylight.netconf.client;
11 import io.netty.channel.EventLoopGroup;
12 import io.netty.util.Timer;
13 import io.netty.util.concurrent.Future;
14 import java.io.Closeable;
15 import org.opendaylight.netconf.client.conf.NetconfClientConfiguration;
16 import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfiguration;
17 import org.opendaylight.protocol.framework.AbstractDispatcher;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
21 public class NetconfClientDispatcherImpl extends AbstractDispatcher<NetconfClientSession, NetconfClientSessionListener>
22 implements NetconfClientDispatcher, Closeable {
24 private static final Logger LOG = LoggerFactory.getLogger(NetconfClientDispatcherImpl.class);
26 private final Timer timer;
28 public NetconfClientDispatcherImpl(final EventLoopGroup bossGroup, final EventLoopGroup workerGroup,
30 super(bossGroup, workerGroup);
34 protected Timer getTimer() {
39 public Future<NetconfClientSession> createClient(final NetconfClientConfiguration clientConfiguration) {
40 switch (clientConfiguration.getProtocol()) {
42 return createTcpClient(clientConfiguration);
44 return createSshClient(clientConfiguration);
46 throw new IllegalArgumentException("Unknown client protocol " + clientConfiguration.getProtocol());
51 public Future<Void> createReconnectingClient(final NetconfReconnectingClientConfiguration clientConfiguration) {
52 switch (clientConfiguration.getProtocol()) {
54 return createReconnectingTcpClient(clientConfiguration);
56 return createReconnectingSshClient(clientConfiguration);
58 throw new IllegalArgumentException("Unknown client protocol " + clientConfiguration.getProtocol());
62 private Future<NetconfClientSession> createTcpClient(final NetconfClientConfiguration currentConfiguration) {
63 LOG.debug("Creating TCP client with configuration: {}", currentConfiguration);
64 return super.createClient(currentConfiguration.getAddress(), currentConfiguration.getReconnectStrategy(),
65 (ch, promise) -> new TcpClientChannelInitializer(getNegotiatorFactory(currentConfiguration),
67 .getSessionListener()).initialize(ch, promise));
70 private Future<Void> createReconnectingTcpClient(
71 final NetconfReconnectingClientConfiguration currentConfiguration) {
72 LOG.debug("Creating reconnecting TCP client with configuration: {}", currentConfiguration);
73 final TcpClientChannelInitializer init =
74 new TcpClientChannelInitializer(getNegotiatorFactory(currentConfiguration),
75 currentConfiguration.getSessionListener());
77 return super.createReconnectingClient(currentConfiguration.getAddress(), currentConfiguration
78 .getConnectStrategyFactory(),
79 currentConfiguration.getReconnectStrategy(), init::initialize);
82 private Future<NetconfClientSession> createSshClient(final NetconfClientConfiguration currentConfiguration) {
83 LOG.debug("Creating SSH client with configuration: {}", currentConfiguration);
84 return super.createClient(currentConfiguration.getAddress(), currentConfiguration.getReconnectStrategy(),
85 (ch, sessionPromise) -> new SshClientChannelInitializer(currentConfiguration.getAuthHandler(),
86 getNegotiatorFactory(currentConfiguration), currentConfiguration.getSessionListener())
87 .initialize(ch, sessionPromise));
90 private Future<Void> createReconnectingSshClient(
91 final NetconfReconnectingClientConfiguration currentConfiguration) {
92 LOG.debug("Creating reconnecting SSH client with configuration: {}", currentConfiguration);
93 final SshClientChannelInitializer init = new SshClientChannelInitializer(currentConfiguration.getAuthHandler(),
94 getNegotiatorFactory(currentConfiguration), currentConfiguration.getSessionListener());
96 return super.createReconnectingClient(currentConfiguration.getAddress(), currentConfiguration
97 .getConnectStrategyFactory(), currentConfiguration.getReconnectStrategy(),
101 protected NetconfClientSessionNegotiatorFactory getNegotiatorFactory(final NetconfClientConfiguration cfg) {
102 return new NetconfClientSessionNegotiatorFactory(timer, cfg.getAdditionalHeader(),
103 cfg.getConnectionTimeoutMillis());