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.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;
23 import java.net.InetSocketAddress;
24 import java.nio.file.Files;
25 import java.util.concurrent.ExecutorService;
26 import java.util.concurrent.Executors;
27 import java.util.concurrent.ScheduledExecutorService;
28 import java.util.concurrent.TimeUnit;
29 import org.apache.sshd.server.keyprovider.PEMGeneratorHostKeyProvider;
30 import org.junit.AfterClass;
31 import org.junit.BeforeClass;
32 import org.junit.Test;
33 import org.opendaylight.netconf.auth.AuthProvider;
34 import org.opendaylight.netconf.netty.EchoClientHandler.State;
35 import org.opendaylight.netconf.nettyutil.handler.ssh.authentication.LoginPassword;
36 import org.opendaylight.netconf.nettyutil.handler.ssh.client.AsyncSshHandler;
37 import org.opendaylight.netconf.ssh.SshProxyServer;
38 import org.opendaylight.netconf.ssh.SshProxyServerConfigurationBuilder;
39 import org.opendaylight.netconf.util.osgi.NetconfConfigUtil;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
43 public class SSHTest {
44 private static final Logger LOG = 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(5, TimeUnit.SECONDS);
64 minaTimerEx.shutdownNow();
65 nioExec.shutdownNow();
69 public void test() throws Exception {
70 File sshKeyPair = Files.createTempFile("sshKeyPair", ".pem").toFile();
71 sshKeyPair.deleteOnExit();
72 new Thread(new EchoServer(), "EchoServer").start();
74 final InetSocketAddress addr = new InetSocketAddress("127.0.0.1", 10831);
75 final SshProxyServer sshProxyServer = new SshProxyServer(minaTimerEx, nettyGroup, nioExec);
77 new SshProxyServerConfigurationBuilder().setBindingAddress(addr).setLocalAddress(NetconfConfigUtil.getNetconfLocalAddress()).setAuthenticator(new AuthProvider() {
79 public boolean authenticated(final String username, final String password) {
82 }).setKeyPairProvider(new PEMGeneratorHostKeyProvider(sshKeyPair.toPath().toAbsolutePath().toString())).setIdleTimeout(Integer.MAX_VALUE).createSshProxyServerConfiguration());
84 final EchoClientHandler echoClientHandler = connectClient(addr);
86 Stopwatch stopwatch = Stopwatch.createStarted();
87 while(echoClientHandler.isConnected() == false && stopwatch.elapsed(TimeUnit.SECONDS) < 30) {
90 assertTrue(echoClientHandler.isConnected());
91 LOG.info("connected, writing to client");
92 echoClientHandler.write(AHOJ);
94 // check that server sent back the same string
95 stopwatch = stopwatch.reset().start();
96 while (echoClientHandler.read().endsWith(AHOJ) == false && stopwatch.elapsed(TimeUnit.SECONDS) < 30) {
101 final String read = echoClientHandler.read();
102 assertTrue(read + " should end with " + AHOJ, read.endsWith(AHOJ));
104 LOG.info("Closing socket");
105 sshProxyServer.close();
109 public EchoClientHandler connectClient(final InetSocketAddress address) {
110 final EchoClientHandler echoClientHandler = new EchoClientHandler();
111 final ChannelInitializer<NioSocketChannel> channelInitializer = new ChannelInitializer<NioSocketChannel>() {
113 public void initChannel(final NioSocketChannel ch) throws Exception {
114 ch.pipeline().addFirst(AsyncSshHandler.createForNetconfSubsystem(new LoginPassword("a", "a")));
115 ch.pipeline().addLast(echoClientHandler);
118 final Bootstrap b = new Bootstrap();
121 .channel(NioSocketChannel.class)
122 .handler(channelInitializer);
125 b.connect(address).addListener(echoClientHandler);
126 return echoClientHandler;
130 public void testClientWithoutServer() throws Exception {
131 final InetSocketAddress address = new InetSocketAddress(12345);
132 final EchoClientHandler echoClientHandler = connectClient(address);
133 final Stopwatch stopwatch = Stopwatch.createStarted();
134 while(echoClientHandler.getState() == State.CONNECTING && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
137 assertFalse(echoClientHandler.isConnected());
138 assertEquals(State.FAILED_TO_CONNECT, echoClientHandler.getState());