Examples with PeerId com.alipay.sofa.jraft.entity.PeerId used on opensource projects

Example 21 with PeerId

use of com.alipay.sofa.jraft.entity.PeerId in project sofa-jraft by sofastack.

the class TestCluster method ensureLeader.

/**
 * Ensure all peers leader is expectAddr
 * @param expectAddr expected address
 * @throws InterruptedException if interrupted
 */
public void ensureLeader(final Endpoint expectAddr) throws InterruptedException {
    while (true) {
        this.lock.lock();
        for (final Node node : this.nodes) {
            final PeerId leaderId = node.getLeaderId();
            if (!leaderId.getEndpoint().equals(expectAddr)) {
                this.lock.unlock();
                Thread.sleep(10);
                continue;
            }
        }
        // all is ready
        this.lock.unlock();
        return;
    }
}

Example 22 with PeerId

use of com.alipay.sofa.jraft.entity.PeerId in project sofa-jraft by sofastack.

the class NodeTest method testTripleNodes.

@Test
public void testTripleNodes() throws Exception {
    final List<PeerId> peers = TestUtils.generatePeers(3);
    final TestCluster cluster = new TestCluster("unittest", this.dataPath, peers);
    for (final PeerId peer : peers) {
        assertTrue(cluster.start(peer.getEndpoint()));
    }
    // elect leader
    cluster.waitLeader();
    // get leader
    final Node leader = cluster.getLeader();
    assertNotNull(leader);
    assertEquals(3, leader.listPeers().size());
    // apply tasks to leader
    this.sendTestTaskAndWait(leader);
    {
        final ByteBuffer data = ByteBuffer.wrap("no closure".getBytes());
        final Task task = new Task(data, null);
        leader.apply(task);
    }
    {
        // task with TaskClosure
        final ByteBuffer data = ByteBuffer.wrap("task closure".getBytes());
        final Vector<String> cbs = new Vector<>();
        final CountDownLatch latch = new CountDownLatch(1);
        final Task task = new Task(data, new TaskClosure() {

            @Override
            public void run(final Status status) {
                cbs.add("apply");
                latch.countDown();
            }

            @Override
            public void onCommitted() {
                cbs.add("commit");
            }
        });
        leader.apply(task);
        latch.await();
        assertEquals(2, cbs.size());
        assertEquals("commit", cbs.get(0));
        assertEquals("apply", cbs.get(1));
    }
    cluster.ensureSame(-1);
    assertEquals(2, cluster.getFollowers().size());
    cluster.stopAll();
}

Example 23 with PeerId

use of com.alipay.sofa.jraft.entity.PeerId in project sofa-jraft by sofastack.

the class NodeTest method testNodesWithPartPriorityElection.

@Test
public void testNodesWithPartPriorityElection() throws Exception {
    List<Integer> priorities = new ArrayList<>();
    priorities.add(100);
    priorities.add(40);
    priorities.add(-1);
    final List<PeerId> peers = TestUtils.generatePriorityPeers(3, priorities);
    final TestCluster cluster = new TestCluster("unittest", this.dataPath, peers);
    for (final PeerId peer : peers) {
        assertTrue(cluster.start(peer.getEndpoint(), peer.getPriority()));
    }
    // elect leader
    cluster.waitLeader();
    // get leader
    final Node leader = cluster.getLeader();
    assertNotNull(leader);
    assertEquals(3, leader.listPeers().size());
    assertEquals(2, cluster.getFollowers().size());
    cluster.stopAll();
}

Example 24 with PeerId

use of com.alipay.sofa.jraft.entity.PeerId in project sofa-jraft by sofastack.

the class NodeTest method testReadIndex.

@Test
public void testReadIndex() throws Exception {
    final List<PeerId> peers = TestUtils.generatePeers(3);
    final TestCluster cluster = new TestCluster("unittest", this.dataPath, peers);
    for (final PeerId peer : peers) {
        assertTrue(cluster.start(peer.getEndpoint(), false, 300, true));
    }
    // elect leader
    cluster.waitLeader();
    // get leader
    final Node leader = cluster.getLeader();
    assertNotNull(leader);
    assertEquals(3, leader.listPeers().size());
    // apply tasks to leader
    this.sendTestTaskAndWait(leader);
    // first call will fail-fast when no connection
    if (!assertReadIndex(leader, 11)) {
        assertTrue(assertReadIndex(leader, 11));
    }
    // read from follower
    for (final Node follower : cluster.getFollowers()) {
        assertNotNull(follower);
        assertReadIndex(follower, 11);
    }
    // read with null request context
    final CountDownLatch latch = new CountDownLatch(1);
    leader.readIndex(null, new ReadIndexClosure() {

        @Override
        public void run(final Status status, final long index, final byte[] reqCtx) {
            assertNull(reqCtx);
            assertTrue(status.isOk());
            latch.countDown();
        }
    });
    latch.await();
    cluster.stopAll();
}

Example 25 with PeerId

use of com.alipay.sofa.jraft.entity.PeerId in project sofa-jraft by sofastack.

the class NodeTest method testRecoverFollower.

@Test
public void testRecoverFollower() throws Exception {
    final List<PeerId> peers = TestUtils.generatePeers(3);
    final TestCluster cluster = new TestCluster("unitest", this.dataPath, peers);
    for (final PeerId peer : peers) {
        assertTrue(cluster.start(peer.getEndpoint()));
    }
    cluster.waitLeader();
    final Node leader = cluster.getLeader();
    assertNotNull(leader);
    Thread.sleep(100);
    final List<Node> followers = cluster.getFollowers();
    assertEquals(2, followers.size());
    final Endpoint followerAddr = followers.get(0).getNodeId().getPeerId().getEndpoint().copy();
    assertTrue(cluster.stop(followerAddr));
    this.sendTestTaskAndWait(leader);
    for (int i = 10; i < 30; i++) {
        final ByteBuffer data = ByteBuffer.wrap(("no clusre" + i).getBytes());
        final Task task = new Task(data, null);
        leader.apply(task);
    }
    // wait leader to compact logs
    Thread.sleep(5000);
    // restart follower
    assertTrue(cluster.start(followerAddr));
    assertTrue(cluster.ensureSame(30));
    assertEquals(3, cluster.getFsms().size());
    for (final MockStateMachine fsm : cluster.getFsms()) {
        assertEquals(30, fsm.getLogs().size());
    }
    cluster.stopAll();
}