Examples with DISCARD org.jgroups.protocols.DISCARD used on opensource projects

Example 1 with DISCARD

use of org.jgroups.protocols.DISCARD in project JGroups by belaban.

the class LastMessageDroppedTest method testLastMessageDropped.

public void testLastMessageDropped() throws Exception {
    DISCARD discard = new DISCARD();
    a.getProtocolStack().insertProtocol(discard, ProtocolStack.Position.BELOW, NAKACK2.class);
    MyReceiver receiver = new MyReceiver();
    b.setReceiver(receiver);
    a.send(null, 1);
    a.send(null, 2);
    // drop the next multicast
    discard.dropDownMulticasts(1);
    a.send(null, 3);
    Collection<Integer> list = receiver.getMsgs();
    for (int i = 0; i < 20 && list.size() < 3; i++) {
        System.out.println("list=" + list);
        Util.sleep(1000);
    }
    System.out.println("list=" + list);
    assert list.size() == 3 : "list=" + list;
}

Example 2 with DISCARD

use of org.jgroups.protocols.DISCARD in project JGroups by belaban.

the class OOBTest method testRegularAndOOBMulticasts.

public void testRegularAndOOBMulticasts() throws Exception {
    DISCARD discard = new DISCARD();
    ProtocolStack stack = a.getProtocolStack();
    stack.insertProtocol(discard, ProtocolStack.Position.BELOW, NAKACK2.class);
    a.setDiscardOwnMessages(true);
    // send to all
    Address dest = null;
    Message m1 = new BytesMessage(dest, 1);
    Message m2 = new BytesMessage(dest, 2).setFlag(Message.Flag.OOB);
    Message m3 = new BytesMessage(dest, 3);
    MyReceiver receiver = new MyReceiver("B");
    b.setReceiver(receiver);
    a.send(m1);
    discard.dropDownMulticasts(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;
        // give the asynchronous msgs some time to be received
        Util.sleep(1000);
        sendStableMessages(a, b);
    }
    assert list.size() == 3 : "list is " + list;
    assert list.contains(1) && list.contains(2) && list.contains(3);
}

Example 3 with DISCARD

use of org.jgroups.protocols.DISCARD in project JGroups by belaban.

the class OOBTest method testRegularAndOOBUnicasts2.

public void testRegularAndOOBUnicasts2() throws Exception {
    DISCARD discard = new DISCARD();
    ProtocolStack stack = a.getProtocolStack();
    stack.insertProtocol(discard, ProtocolStack.Position.BELOW, Util.getUnicastProtocols());
    Address dest = b.getAddress();
    Message m1 = new BytesMessage(dest, 1);
    Message m2 = new BytesMessage(dest, 2).setFlag(Message.Flag.OOB);
    Message m3 = new BytesMessage(dest, 3).setFlag(Message.Flag.OOB);
    Message m4 = new BytesMessage(dest, 4);
    MyReceiver receiver = new MyReceiver("B");
    b.setReceiver(receiver);
    a.send(m1);
    discard.dropDownUnicasts(2);
    // dropped
    a.send(m2);
    // dropped
    a.send(m3);
    a.send(m4);
    Collection<Integer> list = receiver.getMsgs();
    int count = 10;
    while (list.size() < 4 && --count > 0) {
        // time for potential retransmission
        Util.sleep(500);
        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);
}

Example 4 with DISCARD

use of org.jgroups.protocols.DISCARD in project JGroups by belaban.

the class OOBTest method testRandomRegularAndOOBMulticasts.

@Test(invocationCount = 5)
public void testRandomRegularAndOOBMulticasts() throws Exception {
    DISCARD discard = new DISCARD().setAddress(a.getAddress()).setUpDiscardRate(0.5);
    ProtocolStack stack = a.getProtocolStack();
    stack.insertProtocol(discard, ProtocolStack.Position.ABOVE, TP.class);
    MyReceiver r1 = new MyReceiver("A"), r2 = new MyReceiver("B");
    a.setReceiver(r1);
    b.setReceiver(r2);
    final int NUM_MSGS = 20;
    final int NUM_THREADS = 10;
    // send on random channel (a or b)
    send(null, NUM_MSGS, NUM_THREADS, 0.5);
    discard.setUpDiscardRate(0.1);
    Collection<Integer> one = r1.getMsgs(), two = r2.getMsgs();
    for (int i = 0; i < 30; i++) {
        if (one.size() == NUM_MSGS && two.size() == NUM_MSGS)
            break;
        System.out.println("A: size=" + one.size() + ", B: size=" + two.size());
        sendStableMessages(a, b);
        Util.sleep(1000);
    }
    System.out.println("A: size=" + one.size() + ", B: size=" + two.size());
    stack.removeProtocol(DISCARD.class);
    System.out.println("A received " + one.size() + " messages (" + NUM_MSGS + " expected)" + "\nB received " + two.size() + " messages (" + NUM_MSGS + " expected)");
    check(NUM_MSGS, one, "A");
    check(NUM_MSGS, two, "B");
}

Example 5 with DISCARD

use of org.jgroups.protocols.DISCARD in project JGroups by belaban.

the class MergeTest2 method createChannel.

protected JChannel createChannel(String name) throws Exception {
    SHARED_LOOPBACK shared_loopback = new SHARED_LOOPBACK();
    shared_loopback.setDiagnosticsHandler(handler);
    JChannel retval = new JChannel(shared_loopback, new DISCARD().setValue("discard_all", true), new SHARED_LOOPBACK_PING(), new NAKACK2().setValue("use_mcast_xmit", false).setValue("log_discard_msgs", false).setValue("log_not_found_msgs", false), new UNICAST3(), new STABLE().setValue("max_bytes", 50000), new GMS().setValue("print_local_addr", false).setValue("leave_timeout", 100).setValue("merge_timeout", 3000).setValue("log_view_warnings", false).setValue("view_ack_collection_timeout", 50).setValue("log_collect_msgs", false));
    retval.setName(name);
    JmxConfigurator.registerChannel(retval, Util.getMBeanServer(), name, retval.getClusterName(), true);
    retval.connect("MergeTest2");
    return retval;
}