Examples with Protocol org.jgroups.stack.Protocol used on opensource projects

Example 56 with Protocol

use of org.jgroups.stack.Protocol in project JGroups by belaban.

the class ForkChannelTest method testRefcount2.

public void testRefcount2() throws Exception {
    Prot p1 = new Prot("P1"), p2 = new Prot("P2");
    fc1 = new ForkChannel(a, "stack", "fc1", p1, p2);
    // uses p1 and p2 from fc1
    fc2 = new ForkChannel(a, "stack", "fc2");
    // uses p1 and p2 from fc1
    fc3 = new ForkChannel(a, "stack", "fc3");
    assert p1.inits == 1 && p2.inits == 1;
    FORK fork = a.getProtocolStack().findProtocol(FORK.class);
    Protocol prot = fork.get("stack");
    ForkProtocolStack fork_stack = (ForkProtocolStack) getProtStack(prot);
    int inits = fork_stack.getInits();
    assert inits == 3;
    a.connect(CLUSTER);
    fc1.connect(CLUSTER);
    int connects = fork_stack.getConnects();
    assert connects == 1;
    assert p1.starts == 1 && p2.starts == 1;
    fc2.connect(CLUSTER);
    fc3.connect(CLUSTER);
    connects = fork_stack.getConnects();
    assert connects == 3;
    assert p1.starts == 1 && p2.starts == 1;
    fc3.disconnect();
    fc2.disconnect();
    assert p1.starts == 1 && p2.starts == 1;
    assert p1.stops == 0 && p2.stops == 0;
    fc1.disconnect();
    assert p1.starts == 1 && p2.starts == 1;
    assert p1.stops == 1 && p2.stops == 1;
    Util.close(fc3, fc2);
    assert p1.destroys == 0 && p2.destroys == 0;
    Util.close(fc1);
    assert p1.destroys == 1 && p2.destroys == 1;
}

Example 57 with Protocol

use of org.jgroups.stack.Protocol in project JGroups by belaban.

the class FrozenCoordinatorTest method create.

protected JChannel create(String name) throws Exception {
    FILE_PING ping = new FILE_PING().setLocation(root_dir.toString()).removeAllDataOnViewChange(true);
    Protocol[] protocols = { new SHARED_LOOPBACK(), ping, new NAKACK2(), new UNICAST3(), new STABLE(), new GMS().setJoinTimeout(1000).setMaxJoinAttempts(5) };
    return new JChannel(protocols).name(name);
}

Example 58 with Protocol

use of org.jgroups.stack.Protocol in project JGroups by belaban.

the class InetAddressChecksTest method testIPVersionCheckingConsistentVersion.

/*
	 * Checks IP version mechanism for consistent version processing
	 */
public void testIPVersionCheckingConsistentVersion() throws Exception {
    List<ProtocolConfiguration> protocol_configs = new ArrayList<>();
    List<Protocol> protocols = new ArrayList<>();
    // create the layer described by IPCHECK
    protocol = Configurator.createProtocol(ipCheckConsistentProps, stack);
    // process the defaults
    protocol_configs.add(new ProtocolConfiguration(ipCheckConsistentProps));
    protocols.add(protocol);
    Map<String, Map<String, InetAddressInfo>> inetAddressMap = null;
    inetAddressMap = Configurator.createInetAddressMap(protocol_configs, protocols);
    Collection<InetAddress> addrs = Configurator.getAddresses(inetAddressMap);
    determineIpVersionFromAddresses(addrs);
    // get the value which should have been assigned a default
    InetAddress a = ((IPCHECK) protocol).getInetAddress1();
    System.out.println("value of inetAddress1 = " + a);
    InetAddress b = ((IPCHECK) protocol).getInetAddress2();
    System.out.println("value of inetAddress2 = " + b);
    InetAddress c = ((IPCHECK) protocol).getInetAddress3();
    System.out.println("value of inetAddress3 = " + c);
}

Example 59 with Protocol

use of org.jgroups.stack.Protocol in project JGroups by belaban.

the class MergeTest6 method testViewInconsistency.

/**
 * Tests whether the following scenario is successfully healed by {@link MERGE3}:
 * <pre>
 *     - (2 left)
 *     - 3: 3|6 -> {3,4,5,6,7}
 *     - 4: 3|6 -> {3,4,5,6,7}
 *     - 5: 3|6 -> {3,4,5,6,7}
 *     - 6: 3|6 -> {3,4,5,6,7}
 *     - 7: 2|5 -> {2,3,4,5,6,7}
 * </pre>
 * In this case, 7 and 3 should become merge coordinators and establish a MergeView
 */
public void testViewInconsistency() throws Exception {
    System.out.println("Initial view:\n");
    for (JChannel ch : Arrays.asList(two, three, four, five, six, seven)) System.out.printf("%s: %s\n", ch.getAddress(), ch.getView());
    ProtocolStack stack = seven.getProtocolStack();
    Protocol drop_view = new DropView().setAddress(seven.getAddress());
    // GMS.class);
    stack.insertProtocol(drop_view, ProtocolStack.Position.BELOW, NAKACK2.class);
    Util.close(two);
    for (int i = 0; i < 10; i++) {
        View view_3 = three.getView();
        boolean same = true;
        for (JChannel ch : Arrays.asList(four, five, six)) {
            if (!ch.getView().equals(view_3)) {
                same = false;
                break;
            }
        }
        if (same)
            break;
        Util.sleep(500);
    }
    View view_3 = three.getView();
    assert Stream.of(four, five, six).allMatch(ch -> ch.getView().equals(view_3)) : Stream.of(four, five, six).map(JChannel::getView).collect(Collectors.toList());
    assert !view_3.equals(seven.getView());
    System.out.println("Views after member 7 dropped view");
    Stream.of(three, four, five, six, seven).forEach(ch -> System.out.printf("%s: %s\n", ch.getAddress(), ch.getView()));
    stack.removeProtocol(drop_view);
    System.out.println("-- waiting for merge to heal partition");
    Util.waitUntilAllChannelsHaveSameView(1500000, 1000, three, four, five, six, seven);
    Stream.of(three, four, five, six, seven).forEach(ch -> System.out.printf("%s: %s\n", ch.getAddress(), ch.getView()));
}

Example 60 with Protocol

use of org.jgroups.stack.Protocol in project JGroups by belaban.

the class VERIFY_SUSPECT_Test method testUnsuspect.

public void testUnsuspect() throws TimeoutException {
    VERIFY_SUSPECT ver = new VERIFY_SUSPECT().setTimeout(1000);
    ProtImpl impl = new ProtImpl();
    ver.setUpProtocol(impl);
    ver.setDownProtocol(new Protocol() {

        public Object down(Event evt) {
            return null;
        }

        public Object down(Message msg) {
            return null;
        }

        public ThreadFactory getThreadFactory() {
            return new DefaultThreadFactory("foo", false, true);
        }
    });
    Map<Address, Long> map = impl.getMap();
    start = System.currentTimeMillis();
    ver.up(new Event(Event.SUSPECT, Collections.singletonList(a)));
    ver.up(new Event(Event.SUSPECT, Collections.singletonList(b)));
    Util.waitUntil(10000, 500, () -> map.size() == 2);
    ver.up(new Event(Event.SUSPECT, Collections.singletonList(a)));
    ver.up(new Event(Event.SUSPECT, Collections.singletonList(b)));
    ver.unsuspect(a);
    Util.waitUntilTrue(10000, 500, () -> map.size() == 1);
    assert map.size() == 1 && map.containsKey(b);
}