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
9 package org.opendaylight.controller.netconf.netty;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertFalse;
13 import static org.junit.Assert.assertTrue;
15 import com.google.common.base.Stopwatch;
16 import io.netty.bootstrap.Bootstrap;
17 import io.netty.channel.ChannelInitializer;
18 import io.netty.channel.EventLoopGroup;
19 import io.netty.channel.nio.NioEventLoopGroup;
20 import io.netty.channel.socket.nio.NioSocketChannel;
21 import io.netty.util.HashedWheelTimer;
22 import java.net.InetSocketAddress;
23 import java.nio.file.Files;
24 import java.util.concurrent.ExecutorService;
25 import java.util.concurrent.Executors;
26 import java.util.concurrent.ScheduledExecutorService;
27 import java.util.concurrent.TimeUnit;
28 import org.apache.sshd.server.PasswordAuthenticator;
29 import org.apache.sshd.server.keyprovider.PEMGeneratorHostKeyProvider;
30 import org.apache.sshd.server.session.ServerSession;
31 import org.junit.AfterClass;
32 import org.junit.BeforeClass;
33 import org.junit.Test;
34 import org.opendaylight.controller.netconf.netty.EchoClientHandler.State;
35 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.authentication.LoginPassword;
36 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.client.AsyncSshHandler;
37 import org.opendaylight.controller.netconf.ssh.SshProxyServer;
38 import org.opendaylight.controller.netconf.ssh.SshProxyServerConfigurationBuilder;
39 import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
43 public class SSHTest {
44 public static final Logger logger = LoggerFactory.getLogger(SSHTest.class);
45 public static final String AHOJ = "ahoj\n";
47 private static EventLoopGroup nettyGroup;
48 private static HashedWheelTimer hashedWheelTimer;
49 private static ExecutorService nioExec;
50 private static ScheduledExecutorService minaTimerEx;
53 public static void setUp() throws Exception {
54 hashedWheelTimer = new HashedWheelTimer();
55 nettyGroup = new NioEventLoopGroup();
56 nioExec = Executors.newFixedThreadPool(1);
57 minaTimerEx = Executors.newScheduledThreadPool(1);
61 public static void tearDown() throws Exception {
62 hashedWheelTimer.stop();
63 nettyGroup.shutdownGracefully().await();
64 minaTimerEx.shutdownNow();
65 nioExec.shutdownNow();
69 public void test() throws Exception {
70 new Thread(new EchoServer(), "EchoServer").start();
72 final InetSocketAddress addr = new InetSocketAddress("127.0.0.1", 10831);
73 final SshProxyServer sshProxyServer = new SshProxyServer(minaTimerEx, nettyGroup, nioExec);
75 new SshProxyServerConfigurationBuilder().setBindingAddress(addr).setLocalAddress(NetconfConfigUtil.getNetconfLocalAddress()).setAuthenticator(new PasswordAuthenticator() {
77 public boolean authenticate(final String username, final String password, final ServerSession session) {
80 }).setKeyPairProvider(new PEMGeneratorHostKeyProvider(Files.createTempFile("prefix", "suffix").toAbsolutePath().toString())).setIdleTimeout(Integer.MAX_VALUE).createSshProxyServerConfiguration());
82 final EchoClientHandler echoClientHandler = connectClient(addr);
84 Stopwatch stopwatch = new Stopwatch().start();
85 while(echoClientHandler.isConnected() == false && stopwatch.elapsed(TimeUnit.SECONDS) < 30) {
88 assertTrue(echoClientHandler.isConnected());
89 logger.info("connected, writing to client");
90 echoClientHandler.write(AHOJ);
92 // check that server sent back the same string
93 stopwatch = stopwatch.reset().start();
94 while (echoClientHandler.read().endsWith(AHOJ) == false && stopwatch.elapsed(TimeUnit.SECONDS) < 30) {
99 final String read = echoClientHandler.read();
100 assertTrue(read + " should end with " + AHOJ, read.endsWith(AHOJ));
102 logger.info("Closing socket");
103 sshProxyServer.close();
107 public EchoClientHandler connectClient(final InetSocketAddress address) {
108 final EchoClientHandler echoClientHandler = new EchoClientHandler();
109 final ChannelInitializer<NioSocketChannel> channelInitializer = new ChannelInitializer<NioSocketChannel>() {
111 public void initChannel(final NioSocketChannel ch) throws Exception {
112 ch.pipeline().addFirst(AsyncSshHandler.createForNetconfSubsystem(new LoginPassword("a", "a")));
113 ch.pipeline().addLast(echoClientHandler);
116 final Bootstrap b = new Bootstrap();
119 .channel(NioSocketChannel.class)
120 .handler(channelInitializer);
123 b.connect(address).addListener(echoClientHandler);
124 return echoClientHandler;
128 public void testClientWithoutServer() throws Exception {
129 final InetSocketAddress address = new InetSocketAddress(12345);
130 final EchoClientHandler echoClientHandler = connectClient(address);
131 final Stopwatch stopwatch = new Stopwatch().start();
132 while(echoClientHandler.getState() == State.CONNECTING && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
135 assertFalse(echoClientHandler.isConnected());
136 assertEquals(State.CONNECTION_CLOSED, echoClientHandler.getState());