Пример #1
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  /** Tests https://jira.jboss.org/jira/browse/JGRP-1079 */
  public void testOOBMessageLoss() throws Exception {
    Util.close(b); // we only need 1 channel
    MyReceiver receiver = new MySleepingReceiver("C1", 1000);
    a.setReceiver(receiver);

    TP transport = a.getProtocolStack().getTransport();
    transport.setOOBRejectionPolicy("discard");

    final int NUM = 10;

    for (int i = 1; i <= NUM; i++) {
      Message msg = new Message(null, null, i);
      msg.setFlag(Message.OOB);
      a.send(msg);
    }
    STABLE stable = (STABLE) a.getProtocolStack().findProtocol(STABLE.class);
    if (stable != null) stable.runMessageGarbageCollection();
    Collection<Integer> msgs = receiver.getMsgs();

    for (int i = 0; i < 20; i++) {
      if (msgs.size() == NUM) break;
      Util.sleep(1000);
      sendStableMessages(a, b);
    }

    System.out.println("msgs = " + Util.print(msgs));

    assert msgs.size() == NUM
        : "expected " + NUM + " messages but got " + msgs.size() + ", msgs=" + Util.print(msgs);
    for (int i = 1; i <= NUM; i++) {
      assert msgs.contains(i);
    }
  }
Пример #2
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  /**
   * Tests sending 1, 2 (OOB) and 3, where they are received in the order 1, 3, 2. Message 3 should
   * not get delivered until message 4 is received (http://jira.jboss.com/jira/browse/JGRP-780)
   */
  public void testRegularAndOOBUnicasts() throws Exception {
    DISCARD discard = new DISCARD();
    ProtocolStack stack = a.getProtocolStack();
    stack.insertProtocol(discard, ProtocolStack.BELOW, UNICAST.class, UNICAST2.class);

    Address dest = b.getAddress();
    Message m1 = new Message(dest, null, 1);
    Message m2 = new Message(dest, null, 2);
    m2.setFlag(Message.OOB);
    Message m3 = new Message(dest, null, 3);

    MyReceiver receiver = new MyReceiver("C2");
    b.setReceiver(receiver);
    a.send(m1);
    discard.setDropDownUnicasts(1);
    a.send(m2);
    a.send(m3);

    Collection<Integer> list = receiver.getMsgs();
    int count = 10;
    while (list.size() < 3 && --count > 0) {
      Util.sleep(500); // time for potential retransmission
      sendStableMessages(a, b);
    }

    assert list.size() == 3 : "list is " + list;
    assert list.contains(1) && list.contains(2) && list.contains(3);
  }
Пример #3
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  /** Tests https://jira.jboss.org/jira/browse/JGRP-1079 for unicast messages */
  public void testOOBUnicastMessageLoss() throws Exception {
    MyReceiver receiver = new MySleepingReceiver("C2", 1000);
    b.setReceiver(receiver);

    a.getProtocolStack().getTransport().setOOBRejectionPolicy("discard");

    final int NUM = 10;
    final Address dest = b.getAddress();
    for (int i = 1; i <= NUM; i++) {
      Message msg = new Message(dest, null, i);
      msg.setFlag(Message.OOB);
      a.send(msg);
    }

    Collection<Integer> msgs = receiver.getMsgs();

    for (int i = 0; i < 20; i++) {
      if (msgs.size() == NUM) break;
      Util.sleep(1000);
      // sendStableMessages(c1,c2); // not needed for unicasts !
    }

    assert msgs.size() == NUM
        : "expected " + NUM + " messages but got " + msgs.size() + ", msgs=" + Util.print(msgs);
    for (int i = 1; i <= NUM; i++) {
      assert msgs.contains(i);
    }
  }
Пример #4
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  public void testRegularAndOOBMulticasts() throws Exception {
    DISCARD discard = new DISCARD();
    ProtocolStack stack = a.getProtocolStack();
    stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class);
    a.setDiscardOwnMessages(true);

    Address dest = null; // send to all
    Message m1 = new Message(dest, null, 1);
    Message m2 = new Message(dest, null, 2);
    m2.setFlag(Message.OOB);
    Message m3 = new Message(dest, null, 3);

    MyReceiver receiver = new MyReceiver("C2");
    b.setReceiver(receiver);
    a.send(m1);
    discard.setDropDownMulticasts(1);
    a.send(m2);
    a.send(m3);

    Util.sleep(500);
    Collection<Integer> list = receiver.getMsgs();
    for (int i = 0; i < 10; i++) {
      System.out.println("list = " + list);
      if (list.size() == 3) break;
      Util.sleep(1000); // give the asynchronous msgs some time to be received
      sendStableMessages(a, b);
    }
    assert list.size() == 3 : "list is " + list;
    assert list.contains(1) && list.contains(2) && list.contains(3);
  }
Пример #5
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  public void testRegularAndOOBUnicasts2() throws Exception {
    DISCARD discard = new DISCARD();
    ProtocolStack stack = a.getProtocolStack();
    stack.insertProtocol(
        discard, ProtocolStack.BELOW, (Class<? extends Protocol>[]) Util.getUnicastProtocols());

    Address dest = b.getAddress();
    Message m1 = new Message(dest, 1);
    Message m2 = new Message(dest, 2).setFlag(Message.Flag.OOB);
    Message m3 = new Message(dest, 3).setFlag(Message.Flag.OOB);
    Message m4 = new Message(dest, 4);

    MyReceiver receiver = new MyReceiver("B");
    b.setReceiver(receiver);
    a.send(m1);

    discard.setDropDownUnicasts(2);
    a.send(m2); // dropped
    a.send(m3); // dropped
    a.send(m4);

    Collection<Integer> list = receiver.getMsgs();
    int count = 10;
    while (list.size() < 4 && --count > 0) {
      Util.sleep(500); // time for potential retransmission
      sendStableMessages(a, b);
    }
    System.out.println("list = " + list);
    assert list.size() == 4 : "list is " + list;
    assert list.contains(1) && list.contains(2) && list.contains(3) && list.contains(4);
  }
Пример #6
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  public void testMergeWithAsymetricViewsCoordIsolated() {
    // Isolate the coord
    Address coord = a.getView().getCreator();
    System.out.println("Isolating coord: " + coord);
    List<Address> members = new ArrayList<>();
    members.add(coord);
    View coord_view = new View(coord, 4, members);
    System.out.println("coord_view: " + coord_view);
    Channel coord_channel = findChannel(coord);
    System.out.println("coord_channel: " + coord_channel.getAddress());

    MutableDigest digest = new MutableDigest(coord_view.getMembersRaw());
    NAKACK2 nakack = (NAKACK2) coord_channel.getProtocolStack().findProtocol(NAKACK2.class);
    digest.merge(nakack.getDigest(coord));

    GMS gms = (GMS) coord_channel.getProtocolStack().findProtocol(GMS.class);
    gms.installView(coord_view, digest);
    System.out.println("gms.getView() " + gms.getView());

    System.out.println("Views are:");
    for (JChannel ch : Arrays.asList(a, b, c, d))
      System.out.println(ch.getAddress() + ": " + ch.getView());

    JChannel merge_leader = findChannel(coord);
    MyReceiver receiver = new MyReceiver();
    merge_leader.setReceiver(receiver);

    System.out.println("merge_leader: " + merge_leader.getAddressAsString());

    System.out.println("Injecting MERGE event into merge leader " + merge_leader.getAddress());
    Map<Address, View> merge_views = new HashMap<>(4);
    merge_views.put(a.getAddress(), a.getView());
    merge_views.put(b.getAddress(), b.getView());
    merge_views.put(c.getAddress(), c.getView());
    merge_views.put(d.getAddress(), d.getView());

    gms = (GMS) merge_leader.getProtocolStack().findProtocol(GMS.class);
    gms.up(new Event(Event.MERGE, merge_views));

    Util.waitUntilAllChannelsHaveSameSize(10000, 1000, a, b, c, d);

    System.out.println("Views are:");
    for (JChannel ch : Arrays.asList(a, b, c, d)) {
      View view = ch.getView();
      System.out.println(ch.getAddress() + ": " + view);
      assert view.size() == 4;
    }
    MergeView merge_view = receiver.getView();
    System.out.println("merge_view = " + merge_view);
    assert merge_view.size() == 4;
    assert merge_view.getSubgroups().size() == 2;

    for (View view : merge_view.getSubgroups())
      assert contains(view, a.getAddress())
          || contains(view, b.getAddress(), c.getAddress(), d.getAddress());
  }
Пример #7
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  @Test(invocationCount = 5)
  @SuppressWarnings("unchecked")
  public void testRandomRegularAndOOBMulticasts() throws Exception {
    DISCARD discard = new DISCARD();
    discard.setLocalAddress(a.getAddress());
    discard.setDownDiscardRate(0.5);
    ProtocolStack stack = a.getProtocolStack();
    stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class);
    MyReceiver r1 = new MyReceiver("C1"), r2 = new MyReceiver("C2");
    a.setReceiver(r1);
    b.setReceiver(r2);
    final int NUM_MSGS = 20;
    final int NUM_THREADS = 10;

    send(null, NUM_MSGS, NUM_THREADS, 0.5); // send on random channel (c1 or c2)

    Collection<Integer> one = r1.getMsgs(), two = r2.getMsgs();
    for (int i = 0; i < 10; i++) {
      if (one.size() == NUM_MSGS && two.size() == NUM_MSGS) break;
      System.out.println("one size " + one.size() + ", two size " + two.size());
      Util.sleep(1000);
      sendStableMessages(a, b);
    }
    System.out.println("one size " + one.size() + ", two size " + two.size());

    stack.removeProtocol("DISCARD");

    for (int i = 0; i < 5; i++) {
      if (one.size() == NUM_MSGS && two.size() == NUM_MSGS) break;
      sendStableMessages(a, b);
      Util.sleep(500);
    }
    System.out.println(
        "C1 received "
            + one.size()
            + " messages ("
            + NUM_MSGS
            + " expected)"
            + "\nC2 received "
            + two.size()
            + " messages ("
            + NUM_MSGS
            + " expected)");

    check(NUM_MSGS, one, two);
  }
Пример #8
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  public void testRegularAndOOBUnicasts2() throws Exception {
    DISCARD discard = new DISCARD();
    ProtocolStack stack = c1.getProtocolStack();
    stack.insertProtocol(discard, ProtocolStack.BELOW, UNICAST.class, UNICAST2.class);

    Address dest = c2.getAddress();
    Message m1 = new Message(dest, null, 1);
    Message m2 = new Message(dest, null, 2);
    m2.setFlag(Message.OOB);
    Message m3 = new Message(dest, null, 3);
    m3.setFlag(Message.OOB);
    Message m4 = new Message(dest, null, 4);

    MyReceiver receiver = new MyReceiver("C2");
    c2.setReceiver(receiver);
    c1.send(m1);

    discard.setDropDownUnicasts(1);
    c1.send(m3);

    discard.setDropDownUnicasts(1);
    c1.send(m2);

    c1.send(m4);
    Util.sleep(1000); // sleep some time to receive all messages

    Collection<Integer> list = receiver.getMsgs();
    int count = 10;
    while (list.size() < 4 && --count > 0) {
      Util.sleep(500); // time for potential retransmission
      sendStableMessages(c1, c2);
    }
    log.info("list = " + list);
    assert list.size() == 4 : "list is " + list;
    assert list.contains(1) && list.contains(2) && list.contains(3) && list.contains(4);
  }
Пример #9
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 public void receive(Message msg) {
   super.receive(msg);
   System.out.println("-- received " + msg.getObject());
   Util.sleep(sleep_time);
 }