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.AsyncSshHandler;
  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.AuthProviderImpl;
  36 import org.opendaylight.controller.netconf.ssh.authentication.PEMGenerator;
  37 import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 public class SSHTest {
  42     public static final Logger logger = LoggerFactory.getLogger(SSHTest.class);
  43     public static final String AHOJ = "ahoj\n";
  44     private EventLoopGroup nettyGroup;
  45     HashedWheelTimer hashedWheelTimer;
  46
  47     @Before
  48     public void setUp() throws Exception {
  49         hashedWheelTimer = new HashedWheelTimer();
  50         nettyGroup = new NioEventLoopGroup();
  51     }
  52
  53     @After
  54     public void tearDown() throws Exception {
  55         hashedWheelTimer.stop();
  56         nettyGroup.shutdownGracefully();
  57     }
  58
  59     @Test
  60     public void test() throws Exception {
  61         new Thread(new EchoServer(), "EchoServer").start();
  62         AuthProvider authProvider = mock(AuthProviderImpl.class);
  63         doReturn(PEMGenerator.generate().toCharArray()).when(authProvider).getPEMAsCharArray();
  64         doReturn(true).when(authProvider).authenticated(anyString(), anyString());
  65         NetconfSSHServer netconfSSHServer = NetconfSSHServer.start(10831, NetconfConfigUtil.getNetconfLocalAddress(),
  66                 authProvider, new NioEventLoopGroup());
  67
  68         InetSocketAddress address = netconfSSHServer.getLocalSocketAddress();
  69         final EchoClientHandler echoClientHandler = connectClient(address);
  70         Stopwatch stopwatch = new Stopwatch().start();
  71         while(echoClientHandler.isConnected() == false && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
  72             Thread.sleep(100);
  73         }
  74         assertTrue(echoClientHandler.isConnected());
  75         logger.info("connected, writing to client");
  76         echoClientHandler.write(AHOJ);
  77         // check that server sent back the same string
  78         stopwatch = stopwatch.reset().start();
  79         while (echoClientHandler.read().endsWith(AHOJ) == false && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
  80             Thread.sleep(100);
  81         }
  82         try {
  83             String read = echoClientHandler.read();
  84             assertTrue(read + " should end with " + AHOJ, read.endsWith(AHOJ));
  85         } finally {
  86             logger.info("Closing socket");
  87             netconfSSHServer.close();
  88             netconfSSHServer.join();
  89         }
  90     }
  91
  92     public EchoClientHandler connectClient(InetSocketAddress address) {
  93         final EchoClientHandler echoClientHandler = new EchoClientHandler();
  94         ChannelInitializer<NioSocketChannel> channelInitializer = new ChannelInitializer<NioSocketChannel>() {
  95             @Override
  96             public void initChannel(NioSocketChannel ch) throws Exception {
  97                 ch.pipeline().addFirst(AsyncSshHandler.createForNetconfSubsystem(new LoginPassword("a", "a")));
  98                 ch.pipeline().addLast(echoClientHandler);
  99             }
 100         };
 101         Bootstrap b = new Bootstrap();
 102
 103         b.group(nettyGroup)
 104                 .channel(NioSocketChannel.class)
 105                 .handler(channelInitializer);
 106
 107         // Start the client.
 108         b.connect(address).addListener(echoClientHandler);
 109         return echoClientHandler;
 110     }
 111
 112     @Test
 113     public void testClientWithoutServer() throws Exception {
 114         InetSocketAddress address = new InetSocketAddress(12345);
 115         final EchoClientHandler echoClientHandler = connectClient(address);
 116         Stopwatch stopwatch = new Stopwatch().start();
 117         while(echoClientHandler.getState() == State.CONNECTING && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
 118             Thread.sleep(100);
 119         }
 120         assertFalse(echoClientHandler.isConnected());
 121         assertEquals(State.FAILED_TO_CONNECT, echoClientHandler.getState());
 122     }
 123
 124 }