Package org.apache.avro.ipc

Examples of org.apache.avro.ipc.Server

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  @Test
  public void testPropertiesBatchAppend() throws FlumeException,
      EventDeliveryException {
    int batchSize = 7;
    RpcClient client = null;
    Server server = RpcTestUtils.startServer(new OKAvroHandler());
    try {
      Properties p = new Properties();
      p.put("hosts", "host1");
      p.put("hosts.host1", localhost + ":" + String.valueOf(server.getPort()));
      p.put("batch-size", String.valueOf(batchSize));
      client = RpcClientFactory.getInstance(p);
      List<Event> events = new ArrayList<Event>();
      for (int i = 0; i < batchSize; i++) {
        events.add(EventBuilder.withBody("evt: " + i, Charset.forName("UTF8")));
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  // we are supposed to handle this gracefully
  @Test
  public void testTwoParamBatchAppendOverflow() throws FlumeException,
      EventDeliveryException {
    RpcClient client = null;
    Server server = RpcTestUtils.startServer(new OKAvroHandler());
    try {
      client = RpcClientFactory.getDefaultInstance(localhost, server.getPort());
      int batchSize = client.getBatchSize();
      int moreThanBatch = batchSize + 1;
      List<Event> events = new ArrayList<Event>();
      for (int i = 0; i < moreThanBatch; i++) {
        events.add(EventBuilder.withBody("evt: " + i, Charset.forName("UTF8")));
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      .getLogger(TestLoadBalancingRpcClient.class);


  @Test(expected=FlumeException.class)
  public void testCreatingLbClientSingleHost() {
    Server server1 = null;
    RpcClient c = null;
    try {
      server1 = RpcTestUtils.startServer(new OKAvroHandler());
      Properties p = new Properties();
      p.put("host1", "127.0.0.1:" + server1.getPort());
      p.put("hosts", "host1");
      p.put("client.type", "default_loadbalance");
      RpcClientFactory.getInstance(p);
    } finally {
      if (server1 != null) server1.close();
      if (c != null) c.close();
    }
  }
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    }
  }

  @Test
  public void testTwoHostFailover() throws Exception {
    Server s1 = null, s2 = null;
    RpcClient c = null;
    try{
      LoadBalancedAvroHandler h1 = new LoadBalancedAvroHandler();
      LoadBalancedAvroHandler h2 = new LoadBalancedAvroHandler();

      s1 = RpcTestUtils.startServer(h1);
      s2 = RpcTestUtils.startServer(h2);

      Properties p = new Properties();
      p.put("hosts", "h1 h2");
      p.put("client.type", "default_loadbalance");
      p.put("hosts.h1", "127.0.0.1:" + s1.getPort());
      p.put("hosts.h2", "127.0.0.1:" + s2.getPort());

      c = RpcClientFactory.getInstance(p);
      Assert.assertTrue(c instanceof LoadBalancingRpcClient);

      for (int i = 0; i < 100; i++) {
        if (i == 20) {
          h2.setFailed();
        } else if (i == 40) {
          h2.setOK();
        }
        c.append(getEvent(i));
      }

      Assert.assertEquals(60, h1.getAppendCount());
      Assert.assertEquals(40, h2.getAppendCount());
    } finally {
      if (s1 != null) s1.close();
      if (s2 != null) s2.close();
      if (c != null) c.close();
    }
  }
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  }

  // This will fail without FLUME-1823
  @Test(expected = EventDeliveryException.class)
  public void testTwoHostFailoverThrowAfterClose() throws Exception {
    Server s1 = null, s2 = null;
    RpcClient c = null;
    try{
      LoadBalancedAvroHandler h1 = new LoadBalancedAvroHandler();
      LoadBalancedAvroHandler h2 = new LoadBalancedAvroHandler();

      s1 = RpcTestUtils.startServer(h1);
      s2 = RpcTestUtils.startServer(h2);

      Properties p = new Properties();
      p.put("hosts", "h1 h2");
      p.put("client.type", "default_loadbalance");
      p.put("hosts.h1", "127.0.0.1:" + s1.getPort());
      p.put("hosts.h2", "127.0.0.1:" + s2.getPort());

      c = RpcClientFactory.getInstance(p);
      Assert.assertTrue(c instanceof LoadBalancingRpcClient);

      for (int i = 0; i < 100; i++) {
        if (i == 20) {
          h2.setFailed();
        } else if (i == 40) {
          h2.setOK();
        }
        c.append(getEvent(i));
      }

      Assert.assertEquals(60, h1.getAppendCount());
      Assert.assertEquals(40, h2.getAppendCount());
      if (c != null) c.close();
      c.append(getEvent(3));
      Assert.fail();
    } finally {
      if (s1 != null) s1.close();
      if (s2 != null) s2.close();
    }
  }
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   * @throws Exception
   */
  @Test
  public void testTwoHostsOneDead() throws Exception {
    LOGGER.info("Running testTwoHostsOneDead...");
    Server s1 = null;
    RpcClient c1 = null, c2 = null;
    try {
      LoadBalancedAvroHandler h1 = new LoadBalancedAvroHandler();
      s1 = RpcTestUtils.startServer(h1);
      // do not create a 2nd server (assume it's "down")

      Properties p = new Properties();
      p.put("hosts", "h1 h2");
      p.put("client.type", "default_loadbalance");
      p.put("hosts.h1", "127.0.0.1:" + 0); // port 0 should always be closed
      p.put("hosts.h2", "127.0.0.1:" + s1.getPort());

      // test batch API
      c1 = RpcClientFactory.getInstance(p);
      Assert.assertTrue(c1 instanceof LoadBalancingRpcClient);

      for (int i = 0; i < 10; i++) {
        c1.appendBatch(getBatchedEvent(i));
      }
      Assert.assertEquals(10, h1.getAppendBatchCount());

      // test non-batch API
      c2 = RpcClientFactory.getInstance(p);
      Assert.assertTrue(c2 instanceof LoadBalancingRpcClient);

      for (int i = 0; i < 10; i++) {
        c2.append(getEvent(i));
      }
      Assert.assertEquals(10, h1.getAppendCount());


    } finally {
      if (s1 != null) s1.close();
      if (c1 != null) c1.close();
      if (c2 != null) c2.close();
    }
  }
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    }
  }

  @Test
  public void testTwoHostFailoverBatch() throws Exception {
    Server s1 = null, s2 = null;
    RpcClient c = null;
    try{
      LoadBalancedAvroHandler h1 = new LoadBalancedAvroHandler();
      LoadBalancedAvroHandler h2 = new LoadBalancedAvroHandler();

      s1 = RpcTestUtils.startServer(h1);
      s2 = RpcTestUtils.startServer(h2);

      Properties p = new Properties();
      p.put("hosts", "h1 h2");
      p.put("client.type", "default_loadbalance");
      p.put("hosts.h1", "127.0.0.1:" + s1.getPort());
      p.put("hosts.h2", "127.0.0.1:" + s2.getPort());

      c = RpcClientFactory.getInstance(p);
      Assert.assertTrue(c instanceof LoadBalancingRpcClient);

      for (int i = 0; i < 100; i++) {
        if (i == 20) {
          h2.setFailed();
        } else if (i == 40) {
          h2.setOK();
        }

        c.appendBatch(getBatchedEvent(i));
      }

      Assert.assertEquals(60, h1.getAppendBatchCount());
      Assert.assertEquals(40, h2.getAppendBatchCount());
    } finally {
      if (s1 != null) s1.close();
      if (s2 != null) s2.close();
      if (c != null) c.close();
    }
  }
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    }
  }

  @Test
  public void testLbDefaultClientTwoHosts() throws Exception {
    Server s1 = null, s2 = null;
    RpcClient c = null;
    try{
      LoadBalancedAvroHandler h1 = new LoadBalancedAvroHandler();
      LoadBalancedAvroHandler h2 = new LoadBalancedAvroHandler();

      s1 = RpcTestUtils.startServer(h1);
      s2 = RpcTestUtils.startServer(h2);

      Properties p = new Properties();
      p.put("hosts", "h1 h2");
      p.put("client.type", "default_loadbalance");
      p.put("hosts.h1", "127.0.0.1:" + s1.getPort());
      p.put("hosts.h2", "127.0.0.1:" + s2.getPort());

      c = RpcClientFactory.getInstance(p);
      Assert.assertTrue(c instanceof LoadBalancingRpcClient);

      for (int i = 0; i < 100; i++) {
        c.append(getEvent(i));
      }

      Assert.assertEquals(50, h1.getAppendCount());
      Assert.assertEquals(50, h2.getAppendCount());
    } finally {
      if (s1 != null) s1.close();
      if (s2 != null) s2.close();
      if (c != null) c.close();
    }
  }
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    }
  }

  @Test
  public void testLbDefaultClientTwoHostsBatch() throws Exception {
    Server s1 = null, s2 = null;
    RpcClient c = null;
    try{
      LoadBalancedAvroHandler h1 = new LoadBalancedAvroHandler();
      LoadBalancedAvroHandler h2 = new LoadBalancedAvroHandler();

      s1 = RpcTestUtils.startServer(h1);
      s2 = RpcTestUtils.startServer(h2);

      Properties p = new Properties();
      p.put("hosts", "h1 h2");
      p.put("client.type", "default_loadbalance");
      p.put("hosts.h1", "127.0.0.1:" + s1.getPort());
      p.put("hosts.h2", "127.0.0.1:" + s2.getPort());

      c = RpcClientFactory.getInstance(p);
      Assert.assertTrue(c instanceof LoadBalancingRpcClient);

      for (int i = 0; i < 100; i++) {
        c.appendBatch(getBatchedEvent(i));
      }

      Assert.assertEquals(50, h1.getAppendBatchCount());
      Assert.assertEquals(50, h2.getAppendBatchCount());
    } finally {
      if (s1 != null) s1.close();
      if (s2 != null) s2.close();
      if (c != null) c.close();
    }
  }
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    List<Server> servers = new ArrayList<Server>();
    StringBuilder hostList = new StringBuilder("");
    for(int i = 0; i < 3;i++){
      LoadBalancedAvroHandler s = new LoadBalancedAvroHandler();
      hosts.add(s);
      Server srv = RpcTestUtils.startServer(s);
      servers.add(srv);
      String name = "h" + i;
      p.put("hosts." + name, "127.0.0.1:" + srv.getPort());
      hostList.append(name).append(" ");
    }
    p.put("hosts", hostList.toString().trim());
    p.put("client.type", "default_loadbalance");
    p.put("host-selector", "random");
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