Examples with Transport io.scalecube.transport.Transport used on opensource projects

Example 16 with Transport

use of io.scalecube.transport.Transport in project scalecube by scalecube.

the class FailureDetectorTest method testMemberStatusChangeAfterNetworkRecovery.

@Test
public void testMemberStatusChangeAfterNetworkRecovery() throws Exception {
    // Create transports
    Transport a = Transport.bindAwait(true);
    Transport b = Transport.bindAwait(true);
    List<Address> members = Arrays.asList(a.address(), b.address());
    // Create failure detectors
    FailureDetectorImpl fd_a = createFD(a, members);
    FailureDetectorImpl fd_b = createFD(b, members);
    List<FailureDetectorImpl> fdetectors = Arrays.asList(fd_a, fd_b);
    // Traffic is blocked initially on both sides: A--X-->B, B--X-->A
    a.networkEmulator().block(b.address());
    b.networkEmulator().block(a.address());
    Future<List<FailureDetectorEvent>> list_a = listenNextEventFor(fd_a, members);
    Future<List<FailureDetectorEvent>> list_b = listenNextEventFor(fd_b, members);
    try {
        start(fdetectors);
        assertStatus(a.address(), SUSPECT, awaitEvents(list_a), b.address());
        assertStatus(b.address(), SUSPECT, awaitEvents(list_b), a.address());
        // Unblock A and B members: A-->B, B-->A
        a.networkEmulator().unblockAll();
        b.networkEmulator().unblockAll();
        TimeUnit.SECONDS.sleep(2);
        // Check that members recover
        list_a = listenNextEventFor(fd_a, members);
        list_b = listenNextEventFor(fd_b, members);
        assertStatus(a.address(), ALIVE, awaitEvents(list_a), b.address());
        assertStatus(b.address(), ALIVE, awaitEvents(list_b), a.address());
    } finally {
        stop(fdetectors);
    }
}

Example 17 with Transport

use of io.scalecube.transport.Transport in project scalecube by scalecube.

the class FailureDetectorTest method testStatusChangeAfterMemberRestart.

@Test
public void testStatusChangeAfterMemberRestart() throws Exception {
    // Create transports
    Transport a = Transport.bindAwait(true);
    Transport b = Transport.bindAwait(true);
    Transport x = Transport.bindAwait(true);
    List<Address> members = Arrays.asList(a.address(), b.address(), x.address());
    // Create failure detectors
    FailureDetectorImpl fd_a = createFD(a, members);
    FailureDetectorImpl fd_b = createFD(b, members);
    FailureDetectorImpl fd_x = createFD(x, members);
    List<FailureDetectorImpl> fdetectors = Arrays.asList(fd_a, fd_b, fd_x);
    Future<List<FailureDetectorEvent>> list_a = listenNextEventFor(fd_a, members);
    Future<List<FailureDetectorEvent>> list_b = listenNextEventFor(fd_b, members);
    Future<List<FailureDetectorEvent>> list_x = listenNextEventFor(fd_x, members);
    // Restarted member attributes are not initialized
    Transport xx;
    FailureDetectorImpl fd_xx;
    try {
        start(fdetectors);
        assertStatus(a.address(), ALIVE, awaitEvents(list_a), b.address(), x.address());
        assertStatus(b.address(), ALIVE, awaitEvents(list_b), a.address(), x.address());
        assertStatus(x.address(), ALIVE, awaitEvents(list_x), a.address(), b.address());
        // stop node X
        stop(Lists.newArrayList(fd_x));
        TimeUnit.SECONDS.sleep(2);
        // restart node X as XX
        xx = Transport.bindAwait(TransportConfig.builder().port(x.address().port()).portAutoIncrement(false).useNetworkEmulator(true).build());
        assertEquals(x.address(), xx.address());
        fdetectors = Arrays.asList(fd_a, fd_b, fd_xx = createFD(xx, members));
        // actual restart here
        fd_xx.start();
        TimeUnit.SECONDS.sleep(2);
        list_a = listenNextEventFor(fd_a, members);
        list_b = listenNextEventFor(fd_b, members);
        Future<List<FailureDetectorEvent>> list_xx = listenNextEventFor(fd_xx, members);
        // TODO [AK]: It would be more correct to consider restarted member as a new member, so x is still suspected!
        assertStatus(a.address(), ALIVE, awaitEvents(list_a), b.address(), xx.address());
        assertStatus(b.address(), ALIVE, awaitEvents(list_b), a.address(), xx.address());
        assertStatus(xx.address(), ALIVE, awaitEvents(list_xx), a.address(), b.address());
    } finally {
        stop(fdetectors);
    }
}

Example 18 with Transport

use of io.scalecube.transport.Transport in project scalecube by scalecube.

the class FailureDetectorTest method testTrusted.

@Test
public void testTrusted() {
    // Create transports
    Transport a = Transport.bindAwait(true);
    Transport b = Transport.bindAwait(true);
    Transport c = Transport.bindAwait(true);
    List<Address> members = Arrays.asList(a.address(), b.address(), c.address());
    // Create failure detectors
    FailureDetectorImpl fd_a = createFD(a, members);
    FailureDetectorImpl fd_b = createFD(b, members);
    FailureDetectorImpl fd_c = createFD(c, members);
    List<FailureDetectorImpl> fdetectors = Arrays.asList(fd_a, fd_b, fd_c);
    try {
        start(fdetectors);
        Future<List<FailureDetectorEvent>> list_a = listenNextEventFor(fd_a, members);
        Future<List<FailureDetectorEvent>> list_b = listenNextEventFor(fd_b, members);
        Future<List<FailureDetectorEvent>> list_c = listenNextEventFor(fd_c, members);
        assertStatus(a.address(), ALIVE, awaitEvents(list_a), b.address(), c.address());
        assertStatus(b.address(), ALIVE, awaitEvents(list_b), a.address(), c.address());
        assertStatus(c.address(), ALIVE, awaitEvents(list_c), a.address(), b.address());
    } finally {
        stop(fdetectors);
    }
}

Example 19 with Transport

use of io.scalecube.transport.Transport in project scalecube by scalecube.

the class FailureDetectorTest method testSuspected.

@Test
public void testSuspected() {
    // Create transports
    Transport a = Transport.bindAwait(true);
    Transport b = Transport.bindAwait(true);
    Transport c = Transport.bindAwait(true);
    List<Address> members = Arrays.asList(a.address(), b.address(), c.address());
    // Create failure detectors
    FailureDetectorImpl fd_a = createFD(a, members);
    FailureDetectorImpl fd_b = createFD(b, members);
    FailureDetectorImpl fd_c = createFD(c, members);
    List<FailureDetectorImpl> fdetectors = Arrays.asList(fd_a, fd_b, fd_c);
    // block all traffic
    a.networkEmulator().block(members);
    b.networkEmulator().block(members);
    c.networkEmulator().block(members);
    try {
        start(fdetectors);
        Future<List<FailureDetectorEvent>> list_a = listenNextEventFor(fd_a, members);
        Future<List<FailureDetectorEvent>> list_b = listenNextEventFor(fd_b, members);
        Future<List<FailureDetectorEvent>> list_c = listenNextEventFor(fd_c, members);
        assertStatus(a.address(), SUSPECT, awaitEvents(list_a), b.address(), c.address());
        assertStatus(b.address(), SUSPECT, awaitEvents(list_b), a.address(), c.address());
        assertStatus(c.address(), SUSPECT, awaitEvents(list_c), a.address(), b.address());
    } finally {
        a.networkEmulator().unblockAll();
        b.networkEmulator().unblockAll();
        c.networkEmulator().unblockAll();
        stop(fdetectors);
    }
}

Example 20 with Transport

use of io.scalecube.transport.Transport in project scalecube by scalecube.

the class GossipProtocolTest method computeMessageSentStats.

private LongSummaryStatistics computeMessageSentStats(List<GossipProtocolImpl> gossipProtocols) {
    List<Long> messageSentPerNode = new ArrayList<>(gossipProtocols.size());
    for (GossipProtocolImpl gossipProtocol : gossipProtocols) {
        Transport transport = gossipProtocol.getTransport();
        messageSentPerNode.add(transport.networkEmulator().totalMessageSentCount());
    }
    return messageSentPerNode.stream().mapToLong(v -> v).summaryStatistics();
}