opendaylight/netconf/netconf-ssh/src/test/java/org/opendaylight/controller/netconf/netty/SSHTest.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
   9 package org.opendaylight.controller.netconf.netty;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertFalse;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.mockito.Matchers.anyString;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  17
  18 import com.google.common.base.Stopwatch;
  19 import io.netty.bootstrap.Bootstrap;
  20 import io.netty.channel.ChannelInitializer;
  21 import io.netty.channel.EventLoopGroup;
  22 import io.netty.channel.nio.NioEventLoopGroup;
  23 import io.netty.channel.socket.nio.NioSocketChannel;
  24 import io.netty.util.HashedWheelTimer;
  25 import java.net.InetSocketAddress;
  26 import java.util.concurrent.TimeUnit;
  27 import org.junit.After;
  28 import org.junit.Before;
  29 import org.junit.Test;
  30 import org.opendaylight.controller.netconf.netty.EchoClientHandler.State;
  31 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.authentication.LoginPassword;
  32 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.client.SshHandler;
  33 import org.opendaylight.controller.netconf.ssh.NetconfSSHServer;
  34 import org.opendaylight.controller.netconf.ssh.authentication.AuthProvider;
  35 import org.opendaylight.controller.netconf.ssh.authentication.PEMGenerator;
  36 import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 public class SSHTest {
  41     public static final Logger logger = LoggerFactory.getLogger(SSHTest.class);
  42     public static final String AHOJ = "ahoj\n";
  43     private EventLoopGroup nettyGroup;
  44     HashedWheelTimer hashedWheelTimer;
  45
  46     @Before
  47     public void setUp() throws Exception {
  48         hashedWheelTimer = new HashedWheelTimer();
  49         nettyGroup = new NioEventLoopGroup();
  50     }
  51
  52     @After
  53     public void tearDown() throws Exception {
  54         hashedWheelTimer.stop();
  55         nettyGroup.shutdownGracefully();
  56     }
  57
  58     @Test
  59     public void test() throws Exception {
  60         new Thread(new EchoServer(), "EchoServer").start();
  61         AuthProvider authProvider = mock(AuthProvider.class);
  62         doReturn(PEMGenerator.generate().toCharArray()).when(authProvider).getPEMAsCharArray();
  63         doReturn(true).when(authProvider).authenticated(anyString(), anyString());
  64         NetconfSSHServer netconfSSHServer = NetconfSSHServer.start(10831, NetconfConfigUtil.getNetconfLocalAddress(),
  65                 authProvider, new NioEventLoopGroup());
  66
  67         InetSocketAddress address = netconfSSHServer.getLocalSocketAddress();
  68         final EchoClientHandler echoClientHandler = connectClient(address);
  69         Stopwatch stopwatch = new Stopwatch().start();
  70         while(echoClientHandler.isConnected() == false && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
  71             Thread.sleep(100);
  72         }
  73         assertTrue(echoClientHandler.isConnected());
  74         logger.info("connected, writing to client");
  75         echoClientHandler.write(AHOJ);
  76         // check that server sent back the same string
  77         stopwatch = stopwatch.reset().start();
  78         while (echoClientHandler.read().endsWith(AHOJ) == false && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
  79             Thread.sleep(100);
  80         }
  81         try {
  82             String read = echoClientHandler.read();
  83             assertTrue(read + " should end with " + AHOJ, read.endsWith(AHOJ));
  84         } finally {
  85             logger.info("Closing socket");
  86             netconfSSHServer.close();
  87             netconfSSHServer.join();
  88         }
  89     }
  90
  91     public EchoClientHandler connectClient(InetSocketAddress address) {
  92         final EchoClientHandler echoClientHandler = new EchoClientHandler();
  93         ChannelInitializer<NioSocketChannel> channelInitializer = new ChannelInitializer<NioSocketChannel>() {
  94             @Override
  95             public void initChannel(NioSocketChannel ch) throws Exception {
  96                 ch.pipeline().addFirst(SshHandler.createForNetconfSubsystem(new LoginPassword("a", "a")));
  97                 ch.pipeline().addLast(echoClientHandler);
  98             }
  99         };
 100         Bootstrap b = new Bootstrap();
 101
 102         b.group(nettyGroup)
 103                 .channel(NioSocketChannel.class)
 104                 .handler(channelInitializer);
 105
 106         // Start the client.
 107         b.connect(address).addListener(echoClientHandler);
 108         return echoClientHandler;
 109     }
 110
 111     @Test
 112     public void testClientWithoutServer() throws Exception {
 113         InetSocketAddress address = new InetSocketAddress(12345);
 114         final EchoClientHandler echoClientHandler = connectClient(address);
 115         Stopwatch stopwatch = new Stopwatch().start();
 116         while(echoClientHandler.getState() == State.CONNECTING && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
 117             Thread.sleep(100);
 118         }
 119         assertFalse(echoClientHandler.isConnected());
 120         assertEquals(State.FAILED_TO_CONNECT, echoClientHandler.getState());
 121     }
 122
 123 }