Пример #1
0
  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 #2
0
  /**
   * Tests the scenario described by Dan in https://issues.jboss.org/browse/JGRP-1876; INFO messages
   * are injected
   */
  public void testJGRP_1876_Dan2() throws Exception {
    Util.close(d, c, b, a);
    s = createChannel("S", false);
    t = createChannel("T", false);
    u = createChannel("U", false);
    v = createChannel("V", false);
    for (JChannel ch : Arrays.asList(s, t, u, v))
      ch.getProtocolStack().removeProtocol(MERGE3.class);
    s.connect("MergeTest4");
    t.connect("MergeTest4");
    u.connect("MergeTest4");
    v.connect("MergeTest4");
    Util.waitUntilAllChannelsHaveSameSize(10000, 500, s, t, u, v);

    for (JChannel ch : Arrays.asList(s, t, u, v))
      System.out.println(ch.getName() + ": " + ch.getView());
    View v1 = View.create(s.getAddress(), 10, s.getAddress());
    View v2 = View.create(t.getAddress(), 10, t.getAddress());
    View v3 = View.create(u.getAddress(), 11, u.getAddress(), v.getAddress());
    injectView(v1, s);
    injectView(v2, t);
    injectView(v3, u, v);
    Util.waitUntilAllChannelsHaveSameSize(10000, 500, s);
    Util.waitUntilAllChannelsHaveSameSize(10000, 500, t);
    Util.waitUntilAllChannelsHaveSameSize(10000, 500, u, v);

    System.out.printf("\nPartitions:\n");
    for (JChannel ch : Arrays.asList(s, t, u, v))
      System.out.println(ch.getName() + ": " + ch.getView());

    System.out.println("\nInjecting MERGE events into GMS to merge subclusters");
    Map<Address, View> different_views = new HashMap<>();
    different_views.put(s.getAddress(), v1);
    different_views.put(t.getAddress(), v2);
    different_views.put(v.getAddress(), v3);

    Collection<Address> coords = Util.determineActualMergeCoords(different_views);
    Address merge_leader = new Membership().add(coords).sort().elementAt(0);
    System.out.printf("--> coords=%s, merge_leader=%s\n", coords, merge_leader);
    GMS gms = (GMS) findChannel(merge_leader).getProtocolStack().findProtocol(GMS.class);
    gms.up(new Event(Event.MERGE, different_views));

    Util.waitUntilAllChannelsHaveSameSize(30000, 1000, s, t, u, v);
    System.out.println("\nResulting views:");
    for (JChannel ch : Arrays.asList(s, t, u, v)) {
      gms = (GMS) ch.getProtocolStack().findProtocol(GMS.class);
      View mv = gms.view();
      System.out.println(mv);
    }
    for (JChannel ch : Arrays.asList(s, t, u, v)) {
      gms = (GMS) ch.getProtocolStack().findProtocol(GMS.class);
      View mv = gms.view();
      assert mv instanceof MergeView;
      assert mv.size() == 4;
      assert ((MergeView) mv).getSubgroups().size() == 3;
    }
    for (JChannel ch : Arrays.asList(s, t, u, v)) {
      View view = ch.getView();
      assert view.size() == 4 : "view should have 4 members: " + view;
    }
  }