Examples with STABLE org.jgroups.protocols.pbcast.STABLE used on opensource projects

Example 26 with STABLE

use of org.jgroups.protocols.pbcast.STABLE in project JGroups by belaban.

the class DNSDiscoveryTester method runTestAndCheckIfViewWasReceived.

public boolean runTestAndCheckIfViewWasReceived(String dnsQuery, String recordType) throws Exception {
    List<JChannel> channels = new ArrayList<>();
    CountDownLatch waitForViewToForm = new CountDownLatch(1);
    for (int i = 0; i < numberOfTestedInstances; ++i) {
        DNS_PING ping = new DNS_PING();
        ping.dns_resolver = dnsResolverBuilder.build();
        ping.dns_query = dnsQuery;
        ping.dns_record_type = recordType;
        ping.dns_address = "fake.com";
        Protocol[] protocols = { new TCP().setBindAddress(InetAddress.getLoopbackAddress()).setBindPort(portStart).setPortRange(1), ping, new NAKACK2(), new UNICAST3(), new STABLE(), new GMS().setJoinTimeout(timeout) };
        JChannel c = new JChannel(protocols).name(String.valueOf(i + 1));
        channels.add(c);
        c.setReceiver(new Receiver() {

            @Override
            public void viewAccepted(View view) {
                if (view.getMembers().size() == numberOfTestedInstances) {
                    waitForViewToForm.countDown();
                }
            }
        });
        c.connect("TEST");
    }
    boolean viewReceived = waitForViewToForm.await(timeout, unit);
    channels.forEach(JChannel::close);
    return viewReceived;
}

Example 27 with STABLE

use of org.jgroups.protocols.pbcast.STABLE in project JGroups by belaban.

the class STABLE_Test method testStableWithDontLoopback.

public void testStableWithDontLoopback() throws Exception {
    byte[] payload = new byte[5000];
    for (int i = 0; i < 10; i++) {
        Message msg = new BytesMessage(null, payload).setFlag(Message.TransientFlag.DONT_LOOPBACK);
        b.send(msg);
        // prevents batches, which trigger STABLE msgs in non-10000 increments
        Util.sleep(200);
    }
    Util.waitUntil(5000, 500, () -> Stream.of(r1, r3).allMatch(r -> r.size() == 10));
    assert r2.size() == 0;
    Util.waitUntilTrue(5000, 500, () -> Stream.of(a, b, c).map(c -> ((NAKACK2) c.getProtocolStack().findProtocol(NAKACK2.class)).getWindow(b.getAddress())).allMatch(t -> t.getHighestReceived() == 10 && t.getHighestDelivered() == 10 && t.getLow() == 10));
    for (JChannel ch : List.of(a, b, c)) {
        NAKACK2 n = ch.getProtocolStack().findProtocol(NAKACK2.class);
        Table<Message> t = n.getWindow(b.getAddress());
        assert t.getHighestReceived() == 10 && t.getHighestDelivered() == 10 && t.getLow() == 10 : String.format("table for %s is %s (low is probably 0)", ch.getName(), t);
    }
}

Example 28 with STABLE

use of org.jgroups.protocols.pbcast.STABLE in project JGroups by belaban.

the class STABLE_Test method create.

protected static JChannel create(String name) throws Exception {
    JChannel ch = new JChannel(Util.getTestStack()).name(name);
    STABLE stable = ch.getProtocolStack().findProtocol(STABLE.class);
    // disabled periodical stable
    stable.setDesiredAverageGossip(0).setMaxBytes(10000);
    ch.getProtocolStack().getTransport().getDiagnosticsHandler().setEnabled(true);
    return ch;
}

Example 29 with STABLE

use of org.jgroups.protocols.pbcast.STABLE in project JGroups by belaban.

the class TLSTest method create.

private JChannel create(String name) throws Exception {
    TCP transport = new TCP();
    transport.setBindAddress(InetAddress.getLoopbackAddress());
    transport.setBindPort(9600);
    transport.setSocketFactory(sslContexts.containsKey(name) ? new DefaultSocketFactory(sslContexts.get(name)) : new DefaultSocketFactory());
    TCPPING ping = new TCPPING();
    ping.setInitialHosts2(Collections.singletonList(new IpAddress(transport.getBindAddress(), transport.getBindPort())));
    return new JChannel(transport, ping, new NAKACK2(), new UNICAST3(), new STABLE(), new GMS()).name(name);
}

Example 30 with STABLE

use of org.jgroups.protocols.pbcast.STABLE in project JGroups by belaban.

the class GMS_MergeTest method _testMergeAsymmetricPartitions.

/**
 * Tests the merge of the following partitions:
 * <ul>
 * <li>A: {B, A, C}
 * <li>B: {B, C}
 * <li>C: {B, C}
 * </ol>
 * JIRA: https://jira.jboss.org/jira/browse/JGRP-1031
 * @throws Exception
 */
static void _testMergeAsymmetricPartitions(boolean use_flush_props, String cluster_name) throws Exception {
    JChannel[] channels = null;
    MyReceiver[] receivers;
    final int NUM = 10;
    try {
        // use simple IDs for UUIDs, so sorting on merge will NOT change the view order
        channels = create(use_flush_props, true, cluster_name, "B", "A", "C");
        receivers = new MyReceiver[channels.length];
        for (int i = 0; i < channels.length; i++) {
            receivers[i] = new MyReceiver(channels[i].getName());
            channels[i].setReceiver(receivers[i]);
        }
        JChannel a = findChannel("A", channels), b = findChannel("B", channels), c = findChannel("C", channels);
        print(channels);
        View view = channels[channels.length - 1].getView();
        assert view.size() == channels.length : "view is " + view;
        System.out.println("sending " + NUM + " msgs:");
        for (int i = 0; i < NUM; i++) for (JChannel ch : channels) ch.send(null, "Number #" + i + " from " + ch.getAddress());
        waitForNumMessages(NUM * channels.length, 10000, 1000, receivers);
        checkMessages(NUM * channels.length, receivers);
        System.out.println("\ncreating partitions: ");
        applyView(channels, "A", "B", "A", "C");
        applyView(channels, "B", "B", "C");
        applyView(channels, "C", "B", "C");
        print(channels);
        checkViews(channels, "A", "B", "A", "C");
        checkViews(channels, "B", "B", "C");
        checkViews(channels, "C", "B", "C");
        for (MyReceiver receiver : receivers) receiver.clear();
        DISCARD discard = new DISCARD();
        discard.addIgnoreMember(b.getAddress());
        discard.addIgnoreMember(c.getAddress());
        // A should drop all traffic from B or C
        a.getProtocolStack().insertProtocol(discard, ProtocolStack.Position.ABOVE, SHARED_LOOPBACK.class);
        System.out.println("B and C exchange " + NUM + " messages, A discards them");
        for (int i = 0; i < NUM; i++) b.send(null, "message #" + i + " from B");
        for (int i = 0; i < NUM; i++) c.send(null, "message #" + i + " from C");
        // A *does* receiver B's and C's messages !
        waitForNumMessages(NUM * 2, 10000, 500, receivers[0], receivers[2]);
        checkMessages(NUM * 2, receivers[0], receivers[2]);
        checkMessages(0, receivers[1]);
        Digest da = ((NAKACK2) a.getProtocolStack().findProtocol(NAKACK2.class)).getDigest(), db = ((NAKACK2) b.getProtocolStack().findProtocol(NAKACK2.class)).getDigest(), dc = ((NAKACK2) c.getProtocolStack().findProtocol(NAKACK2.class)).getDigest();
        System.out.println("Digest A: " + da + "\nDigest B: " + db + "\nDigest C: " + dc);
        System.out.println("Running stability protocol on B and C now");
        for (int i = 0; i < 3; i++) {
            ((STABLE) b.getProtocolStack().findProtocol(STABLE.class)).gc();
            ((STABLE) c.getProtocolStack().findProtocol(STABLE.class)).gc();
            Util.sleep(300);
        }
        db = ((NAKACK2) a.getProtocolStack().findProtocol(NAKACK2.class)).getDigest();
        db = ((NAKACK2) b.getProtocolStack().findProtocol(NAKACK2.class)).getDigest();
        dc = ((NAKACK2) c.getProtocolStack().findProtocol(NAKACK2.class)).getDigest();
        System.out.println("(after purging)\nDigest A: " + da + "\nDigest B: " + db + "\nDigest C: " + dc);
        // now enable traffic reception of B and C on A:
        discard.removeIgnoredMember(b.getAddress());
        discard.removeIgnoredMember(c.getAddress());
        Address leader = b.getAddress();
        long end_time = System.currentTimeMillis() + 12000;
        do {
            System.out.println("\n==== injecting merge event into " + leader + " ====");
            injectMergeEvent(channels, leader, "B", "A", "C");
            Util.sleep(3000);
            if (allChannelsHaveView(channels, b.getView()))
                break;
        } while (end_time > System.currentTimeMillis());
        System.out.println("\n");
        print(channels);
        assertAllChannelsHaveView(channels, b.getView());
    } finally {
        close(channels);
    }
}