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

Example 81 with Protocol

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

the class UNICAST_ConnectionTests method testMultipleConcurrentResets.

/**
 * Tests concurrent reception of multiple messages with a different conn_id (https://issues.jboss.org/browse/JGRP-1347)
 */
@Test(dataProvider = "configProvider")
public void testMultipleConcurrentResets(Class<? extends UNICAST3> unicast) throws Exception {
    setup(unicast);
    sendAndCheck(a, b_addr, 1, r2);
    // now close connection on A unilaterally
    System.out.println("==== Closing the connection on A");
    removeConnection(u1, b_addr);
    r2.clear();
    final Protocol ucast = b.getProtocolStack().findProtocol(Util.getUnicastProtocols());
    int NUM = 10;
    final List<Message> msgs = new ArrayList<>(NUM);
    for (int i = 1; i <= NUM; i++) {
        Message msg = new BytesMessage(b_addr, i).setSrc(a_addr);
        Header hdr = createDataHeader(ucast, 1, (short) 2, true);
        msg.putHeader(ucast.getId(), hdr);
        msgs.add(msg);
    }
    Thread[] threads = new Thread[NUM];
    final CyclicBarrier barrier = new CyclicBarrier(NUM + 1);
    for (int i = 0; i < NUM; i++) {
        final int index = i;
        threads[i] = new Thread(() -> {
            try {
                barrier.await();
                ucast.up(msgs.get(index));
            } catch (Exception e) {
                e.printStackTrace();
            }
        });
        threads[i].start();
    }
    barrier.await();
    for (Thread thread : threads) thread.join();
    List<Integer> list = r2.getMessages();
    System.out.println("list = " + print(list));
    assert list.size() == 1 : "list must have 1 element but has " + list.size() + ": " + print(list);
}

Example 82 with Protocol

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

the class UNICAST_DropFirstAndLastTest method testFirstMessageDropped.

/**
 * A sends unicast message 1 to B, but we drop message 1. The code in
 * https://issues.jboss.org/browse/JGRP-1563 now needs to make sure message 1 is retransmitted to B
 * within a short time period, and we don't have to rely on the stable task to kick in.
 */
@Test(dataProvider = "configProvider")
public void testFirstMessageDropped(Class<? extends UNICAST3> unicast_class) throws Exception {
    setup(unicast_class);
    System.out.println("**** closing all connections ****");
    // close all connections, so we can start from scratch and send message A1 to B
    for (JChannel ch : Arrays.asList(a, b)) {
        Protocol unicast = ch.getProtocolStack().findProtocol(Util.getUnicastProtocols());
        removeAllConnections(unicast);
    }
    setLevel("trace", a, b);
    System.out.println("--> A sending first message to B (dropped before it reaches B)");
    // drops the next unicast
    discard.dropDownUnicasts(1);
    a.send(new BytesMessage(b.getAddress(), 1));
    List<Integer> msgs = rb.list();
    try {
        Util.waitUntilListHasSize(msgs, 1, 500000, 500);
    } catch (AssertionError err) {
        printConnectionTables(a, b);
        throw err;
    }
    System.out.println("list=" + msgs);
    printConnectionTables(a, b);
// assert ((UNICAST2)a.getProtocolStack().findProtocol(UNICAST2.class)).connectionEstablished(b.getAddress());
}

Example 83 with Protocol

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

the class UNICAST_RetransmitTest method setLevel.

protected static void setLevel(String level, JChannel... channels) {
    for (JChannel ch : channels) {
        Protocol prot = ch.getProtocolStack().findProtocol(UNICAST3.class);
        prot.level(level);
    }
}

Example 84 with Protocol

use of org.jgroups.stack.Protocol 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 85 with Protocol

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

the class ConfiguratorTest method testRemovalOfBottom.

public void testRemovalOfBottom() throws Exception {
    Protocol prot = stack.removeProtocol("UDP");
    assert prot != null;
    List<Protocol> protocols = stack.getProtocols();
    Assert.assertEquals(5, protocols.size());
    assert protocols.get(protocols.size() - 1).getName().endsWith("PING");
}