Package org.apache.hadoop.ipc

Examples of org.apache.hadoop.ipc.Server$ExceptionsHandler

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    final Configuration conf = new Configuration(masterConf);
    TestTokenSecretManager sm = new TestTokenSecretManager();
    conf
        .set(CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
    UserGroupInformation.setConfiguration(conf);
    final Server server = RPC.getServer(TestProtocol.class, new TestImpl(),
        ADDRESS, 0, 5, true, conf, sm);

    server.start();

    final UserGroupInformation current = UserGroupInformation
        .createRemoteUser(REAL_USER_NAME);   
   
    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    TestTokenIdentifier tokenId = new TestTokenIdentifier(new Text(current
        .getUserName()), new Text("SomeSuperUser"));
    Token<TestTokenIdentifier> token = new Token<TestTokenIdentifier>(tokenId,
        sm);
    Text host = new Text(addr.getAddress().getHostAddress() + ":"
        + addr.getPort());
    token.setService(host);
    UserGroupInformation proxyUserUgi = UserGroupInformation
        .createProxyUserForTesting(PROXY_USER_NAME, current, GROUP_NAMES);
    proxyUserUgi.addToken(token);
   
    refreshConf(conf);
   
    String retVal = proxyUserUgi.doAs(new PrivilegedExceptionAction<String>() {
      @Override
      public String run() throws Exception {
        try {
          proxy = RPC.getProxy(TestProtocol.class,
              TestProtocol.versionID, addr, conf);
          String ret = proxy.aMethod();
          return ret;
        } catch (Exception e) {
          e.printStackTrace();
          throw e;
        } finally {
          server.stop();
          if (proxy != null) {
            RPC.stopProxy(proxy);
          }
        }
      }
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    TestTokenSecretManager sm = new TestTokenSecretManager();
    final Configuration newConf = new Configuration(masterConf);
    newConf.set(CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION,
        "kerberos");
    UserGroupInformation.setConfiguration(newConf);
    final Server server = RPC.getServer(TestProtocol.class, new TestImpl(),
        ADDRESS, 0, 5, true, newConf, sm);

    server.start();

    final UserGroupInformation current = UserGroupInformation
        .createUserForTesting(REAL_USER_NAME, GROUP_NAMES);
   
    refreshConf(newConf);
   
    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    TestTokenIdentifier tokenId = new TestTokenIdentifier(new Text(current
        .getUserName()), new Text("SomeSuperUser"));
    Token<TestTokenIdentifier> token = new Token<TestTokenIdentifier>(tokenId,
        sm);
    Text host = new Text(addr.getAddress().getHostAddress() + ":"
        + addr.getPort());
    token.setService(host);
    current.addToken(token);
    String retVal = current.doAs(new PrivilegedExceptionAction<String>() {
      @Override
      public String run() throws Exception {
        try {
          proxy = RPC.getProxy(TestProtocol.class,
              TestProtocol.versionID, addr, newConf);
          String ret = proxy.aMethod();
          return ret;
        } catch (Exception e) {
          e.printStackTrace();
          throw e;
        } finally {
          server.stop();
          if (proxy != null) {
            RPC.stopProxy(proxy);
          }
        }
      }
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        mockTT, TaskUmbilicalProtocol.class.getName(),
        TaskUmbilicalProtocol.versionID, 0))
      .when(mockTT).getProtocolSignature(anyString(), anyLong(), anyInt());

    JobTokenSecretManager sm = new JobTokenSecretManager();
    final Server server = RPC.getServer(TaskUmbilicalProtocol.class, mockTT,
        ADDRESS, 0, 5, true, conf, sm);

    server.start();

    final UserGroupInformation current = UserGroupInformation.getCurrentUser();
    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    String jobId = current.getUserName();
    JobTokenIdentifier tokenId = new JobTokenIdentifier(new Text(jobId));
    Token<JobTokenIdentifier> token = new Token<JobTokenIdentifier>(tokenId, sm);
    sm.addTokenForJob(jobId, token);
    Text host = new Text(addr.getAddress().getHostAddress() + ":"
        + addr.getPort());
    token.setService(host);
    LOG.info("Service IP address for token is " + host);
    current.addToken(token);
    current.doAs(new PrivilegedExceptionAction<Object>() {
      @Override
      public Object run() throws Exception {
        TaskUmbilicalProtocol proxy = null;
        try {
          proxy = (TaskUmbilicalProtocol) RPC.getProxy(
              TaskUmbilicalProtocol.class, TaskUmbilicalProtocol.versionID,
              addr, conf);
          proxy.ping(null);
        } finally {
          server.stop();
          if (proxy != null) {
            RPC.stopProxy(proxy);
          }
        }
        return null;
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   * Start up a server and ask it to sleep for n seconds. Make an
   * RPC to the server and set rpcTimeout to less than n and ensure
   * that socketTimeoutException is obtained
   */
  public void testClientDNProtocolTimeout() throws IOException {
    final Server server = new TestServer(1, true);
    server.start();

    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    DatanodeID fakeDnId = new DatanodeID(
        "localhost:" + addr.getPort(), "fake-storage", 0, addr.getPort());
    DatanodeInfo dnInfo = new DatanodeInfo(fakeDnId);

    LocatedBlock fakeBlock = new LocatedBlock(new Block(12345L), new DatanodeInfo[0]);

    ClientDatanodeProtocol proxy = null;

    try {
      proxy = DFSClient.createClientDatanodeProtocolProxy(dnInfo, conf,
          fakeBlock.getBlock(), fakeBlock.getBlockToken(), 500, false);

      fail ("Did not get expected exception: SocketTimeoutException");
    } catch (SocketTimeoutException e) {
      LOG.info("Got the expected Exception: SocketTimeoutException");
    } finally {
      if (proxy != null) {
        RPC.stopProxy(proxy);
      }
      server.stop();
    }
  }
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   * RPC to the server and set rpcTimeout to less than n and ensure
   * that socketTimeoutException is obtained
   */
  @Test
  public void testClientDNProtocolTimeout() throws IOException {
    final Server server = new TestServer(1, true);
    server.start();

    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    DatanodeID fakeDnId = DFSTestUtil.getLocalDatanodeID(addr.getPort());
   
    ExtendedBlock b = new ExtendedBlock("fake-pool", new Block(12345L));
    LocatedBlock fakeBlock = new LocatedBlock(b, new DatanodeInfo[0]);

    ClientDatanodeProtocol proxy = null;

    try {
      proxy = DFSUtil.createClientDatanodeProtocolProxy(
          fakeDnId, conf, 500, false, fakeBlock);

      proxy.getReplicaVisibleLength(new ExtendedBlock("bpid", 1));
      fail ("Did not get expected exception: SocketTimeoutException");
    } catch (SocketTimeoutException e) {
      LOG.info("Got the expected Exception: SocketTimeoutException");
    } finally {
      if (proxy != null) {
        RPC.stopProxy(proxy);
      }
      server.stop();
    }
  }
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  /** Test to verify that InterDatanode RPC timesout as expected when
   *  the server DN does not respond.
   */
  @Test(expected=SocketTimeoutException.class)
  public void testInterDNProtocolTimeout() throws Throwable {
    final Server server = new TestServer(1, true);
    server.start();

    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    DatanodeID fakeDnId = new DatanodeID(
        "localhost", "localhost", "fake-storage", addr.getPort(), 0, addr.getPort());
    DatanodeInfo dInfo = new DatanodeInfo(fakeDnId);
    InterDatanodeProtocol proxy = null;

    try {
      proxy = DataNode.createInterDataNodeProtocolProxy(
          dInfo, conf, 500);
      proxy.initReplicaRecovery(new RecoveringBlock(
          new ExtendedBlock("bpid", 1), null, 100));
      fail ("Expected SocketTimeoutException exception, but did not get.");
    } finally {
      if (proxy != null) {
        RPC.stopProxy(proxy);
      }
      server.stop();
    }
  }
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   * Start up a server and ask it to sleep for n seconds. Make an
   * RPC to the server and set rpcTimeout to less than n and ensure
   * that socketTimeoutException is obtained
   */
  public void testClientDNProtocolTimeout() throws IOException {
    final Server server = new TestServer(1, true);
    server.start();

    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    DatanodeID fakeDnId = new DatanodeID(
        "localhost:" + addr.getPort(), "fake-storage", 0, addr.getPort());
    DatanodeInfo dnInfo = new DatanodeInfo(fakeDnId);

    LocatedBlock fakeBlock = new LocatedBlock(new Block(12345L), new DatanodeInfo[0]);

    ClientDatanodeProtocol proxy = null;

    try {
      proxy = DFSClient.createClientDatanodeProtocolProxy(dnInfo, conf,
          fakeBlock.getBlock(), fakeBlock.getBlockToken(), 500, false);

      fail ("Did not get expected exception: SocketTimeoutException");
    } catch (SocketTimeoutException e) {
      LOG.info("Got the expected Exception: SocketTimeoutException");
    } finally {
      if (proxy != null) {
        RPC.stopProxy(proxy);
      }
      server.stop();
    }
  }
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    YarnRPC rpc = YarnRPC.create(conf);
    if (UserGroupInformation.isSecurityEnabled()) {
      secretManager = new LocalizerTokenSecretManager();     
    }
   
    Server server = rpc.getServer(LocalizationProtocol.class, this,
        localizationServerAddress, conf, secretManager,
        conf.getInt(YarnConfiguration.NM_LOCALIZER_CLIENT_THREAD_COUNT,
            YarnConfiguration.DEFAULT_NM_LOCALIZER_CLIENT_THREAD_COUNT));
   
    // Enable service authorization?
    if (conf.getBoolean(
        CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHORIZATION,
        false)) {
      server.refreshServiceAcl(conf, new NMPolicyProvider());
    }
   
    return server;
  }
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   * RPC to the server and set rpcTimeout to less than n and ensure
   * that socketTimeoutException is obtained
   */
  @Test
  public void testClientDNProtocolTimeout() throws IOException {
    final Server server = new TestServer(1, true);
    server.start();

    final InetSocketAddress addr = NetUtils.getConnectAddress(server);
    DatanodeID fakeDnId = DFSTestUtil.getLocalDatanodeID(addr.getPort());
   
    ExtendedBlock b = new ExtendedBlock("fake-pool", new Block(12345L));
    LocatedBlock fakeBlock = new LocatedBlock(b, new DatanodeInfo[0]);

    ClientDatanodeProtocol proxy = null;

    try {
      proxy = DFSUtil.createClientDatanodeProtocolProxy(
          fakeDnId, conf, 500, false, fakeBlock);

      proxy.getReplicaVisibleLength(new ExtendedBlock("bpid", 1));
      fail ("Did not get expected exception: SocketTimeoutException");
    } catch (SocketTimeoutException e) {
      LOG.info("Got the expected Exception: SocketTimeoutException");
    } finally {
      if (proxy != null) {
        RPC.stopProxy(proxy);
      }
      server.stop();
    }
  }
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    @Override
    protected void serviceStart() throws Exception {
      Configuration conf = getConfig();

      Server server;
      try {
        server =
            new RPC.Builder(conf)
              .setProtocol(CustomProtocol.class)
              .setNumHandlers(1)
              .setSecretManager(
                new ClientToAMTokenSecretManager(this.appAttemptId, secretKey))
              .setInstance(this).build();
      } catch (Exception e) {
        throw new YarnRuntimeException(e);
      }
      server.start();
      this.address = NetUtils.getConnectAddress(server);
      super.serviceStart();
    }
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  • org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol
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  • org.apache.hadoop.io.BytesWritable
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