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.auth.AuthProvider;
  31 import org.opendaylight.controller.netconf.netty.EchoClientHandler.State;
  32 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.authentication.LoginPassword;
  33 import org.opendaylight.controller.netconf.nettyutil.handler.ssh.client.AsyncSshHandler;
  34 import org.opendaylight.controller.netconf.ssh.NetconfSSHServer;
  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(true).when(authProvider).authenticated(anyString(), anyString());
  63         doReturn("auth").when(authProvider).toString();
  64
  65         NetconfSSHServer netconfSSHServer = NetconfSSHServer.start(10831, NetconfConfigUtil.getNetconfLocalAddress(),
  66                 new NioEventLoopGroup(), PEMGenerator.generate().toCharArray());
  67         netconfSSHServer.setAuthProvider(authProvider);
  68
  69         InetSocketAddress address = netconfSSHServer.getLocalSocketAddress();
  70         final EchoClientHandler echoClientHandler = connectClient(address);
  71         Stopwatch stopwatch = new Stopwatch().start();
  72         while(echoClientHandler.isConnected() == false && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
  73             Thread.sleep(100);
  74         }
  75         assertTrue(echoClientHandler.isConnected());
  76         logger.info("connected, writing to client");
  77         echoClientHandler.write(AHOJ);
  78         // check that server sent back the same string
  79         stopwatch = stopwatch.reset().start();
  80         while (echoClientHandler.read().endsWith(AHOJ) == false && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
  81             Thread.sleep(100);
  82         }
  83         try {
  84             String read = echoClientHandler.read();
  85             assertTrue(read + " should end with " + AHOJ, read.endsWith(AHOJ));
  86         } finally {
  87             logger.info("Closing socket");
  88             netconfSSHServer.close();
  89             netconfSSHServer.join();
  90         }
  91     }
  92
  93     public EchoClientHandler connectClient(InetSocketAddress address) {
  94         final EchoClientHandler echoClientHandler = new EchoClientHandler();
  95         ChannelInitializer<NioSocketChannel> channelInitializer = new ChannelInitializer<NioSocketChannel>() {
  96             @Override
  97             public void initChannel(NioSocketChannel ch) throws Exception {
  98                 ch.pipeline().addFirst(AsyncSshHandler.createForNetconfSubsystem(new LoginPassword("a", "a")));
  99                 ch.pipeline().addLast(echoClientHandler);
 100             }
 101         };
 102         Bootstrap b = new Bootstrap();
 103
 104         b.group(nettyGroup)
 105                 .channel(NioSocketChannel.class)
 106                 .handler(channelInitializer);
 107
 108         // Start the client.
 109         b.connect(address).addListener(echoClientHandler);
 110         return echoClientHandler;
 111     }
 112
 113     @Test
 114     public void testClientWithoutServer() throws Exception {
 115         InetSocketAddress address = new InetSocketAddress(12345);
 116         final EchoClientHandler echoClientHandler = connectClient(address);
 117         Stopwatch stopwatch = new Stopwatch().start();
 118         while(echoClientHandler.getState() == State.CONNECTING && stopwatch.elapsed(TimeUnit.SECONDS) < 5) {
 119             Thread.sleep(100);
 120         }
 121         assertFalse(echoClientHandler.isConnected());
 122         assertEquals(State.CONNECTION_CLOSED, echoClientHandler.getState());
 123     }
 124
 125 }