Examples with Endpoint com.alipay.sofa.jraft.util.Endpoint used on opensource projects

Example 46 with Endpoint

use of com.alipay.sofa.jraft.util.Endpoint in project sofa-jraft by sofastack.

the class NodeTest method testInitShutdown.

@Test
public void testInitShutdown() throws Exception {
    final Endpoint addr = new Endpoint(TestUtils.getMyIp(), TestUtils.INIT_PORT);
    NodeManager.getInstance().addAddress(addr);
    final NodeOptions nodeOptions = new NodeOptions();
    nodeOptions.setFsm(new MockStateMachine(addr));
    nodeOptions.setLogUri(this.dataPath + File.separator + "log");
    nodeOptions.setRaftMetaUri(this.dataPath + File.separator + "meta");
    nodeOptions.setSnapshotUri(this.dataPath + File.separator + "snapshot");
    final Node node = new NodeImpl("unittest", new PeerId(addr, 0));
    assertTrue(node.init(nodeOptions));
    node.shutdown();
    node.join();
}

Example 47 with Endpoint

use of com.alipay.sofa.jraft.util.Endpoint in project sofa-jraft by sofastack.

the class NodeTest method testAppendEntriesWhenFollowerIsInErrorState.

@Test
public void testAppendEntriesWhenFollowerIsInErrorState() throws Exception {
    // start five nodes
    final List<PeerId> peers = TestUtils.generatePeers(5);
    final TestCluster cluster = new TestCluster("unitest", this.dataPath, peers, 1000);
    for (final PeerId peer : peers) {
        assertTrue(cluster.start(peer.getEndpoint()));
    }
    cluster.waitLeader();
    final Node oldLeader = cluster.getLeader();
    assertNotNull(oldLeader);
    // apply something
    this.sendTestTaskAndWait(oldLeader);
    // set one follower into error state
    final List<Node> followers = cluster.getFollowers();
    assertEquals(4, followers.size());
    final Node errorNode = followers.get(0);
    final PeerId errorPeer = errorNode.getNodeId().getPeerId().copy();
    final Endpoint errorFollowerAddr = errorPeer.getEndpoint();
    LOG.info("Set follower {} into error state", errorNode);
    ((NodeImpl) errorNode).onError(new RaftException(EnumOutter.ErrorType.ERROR_TYPE_STATE_MACHINE, new Status(-1, "Follower has something wrong.")));
    // increase term  by stopping leader and electing a new leader again
    final Endpoint oldLeaderAddr = oldLeader.getNodeId().getPeerId().getEndpoint().copy();
    assertTrue(cluster.stop(oldLeaderAddr));
    cluster.waitLeader();
    final Node leader = cluster.getLeader();
    assertNotNull(leader);
    LOG.info("Elect a new leader {}", leader);
    // apply something again
    this.sendTestTaskAndWait(leader, 10, RaftError.SUCCESS);
    // stop error follower
    Thread.sleep(20);
    LOG.info("Stop error follower {}", errorNode);
    assertTrue(cluster.stop(errorFollowerAddr));
    // restart error and old leader
    LOG.info("Restart error follower {} and old leader {}", errorFollowerAddr, oldLeaderAddr);
    assertTrue(cluster.start(errorFollowerAddr));
    assertTrue(cluster.start(oldLeaderAddr));
    cluster.ensureSame();
    assertEquals(5, cluster.getFsms().size());
    for (final MockStateMachine fsm : cluster.getFsms()) {
        assertEquals(20, fsm.getLogs().size());
    }
    cluster.stopAll();
}

Example 48 with Endpoint

use of com.alipay.sofa.jraft.util.Endpoint in project sofa-jraft by sofastack.

the class NodeTest method testRollbackStateMachineWithReadIndex_Issue317.

/**
 * Test rollback stateMachine with readIndex for issue 317:
 * https://github.com/sofastack/sofa-jraft/issues/317
 */
@Test
public void testRollbackStateMachineWithReadIndex_Issue317() throws Exception {
    final Endpoint addr = new Endpoint(TestUtils.getMyIp(), TestUtils.INIT_PORT);
    final PeerId peer = new PeerId(addr, 0);
    NodeManager.getInstance().addAddress(addr);
    final NodeOptions nodeOptions = createNodeOptionsWithSharedTimer();
    final CountDownLatch applyCompleteLatch = new CountDownLatch(1);
    final CountDownLatch applyLatch = new CountDownLatch(1);
    final CountDownLatch readIndexLatch = new CountDownLatch(1);
    final AtomicInteger currentValue = new AtomicInteger(-1);
    final String errorMsg = this.testName.getMethodName();
    final StateMachine fsm = new StateMachineAdapter() {

        @Override
        public void onApply(final Iterator iter) {
            // Notify that the #onApply is preparing to go.
            readIndexLatch.countDown();
            // Wait for submitting a read-index request
            try {
                applyLatch.await();
            } catch (InterruptedException e) {
                fail();
            }
            int i = 0;
            while (iter.hasNext()) {
                byte[] data = iter.next().array();
                int v = Bits.getInt(data, 0);
                assertEquals(i++, v);
                currentValue.set(v);
            }
            if (i > 0) {
                // rollback
                currentValue.set(i - 1);
                iter.setErrorAndRollback(1, new Status(-1, errorMsg));
                applyCompleteLatch.countDown();
            }
        }
    };
    nodeOptions.setFsm(fsm);
    nodeOptions.setLogUri(this.dataPath + File.separator + "log");
    nodeOptions.setRaftMetaUri(this.dataPath + File.separator + "meta");
    nodeOptions.setSnapshotUri(this.dataPath + File.separator + "snapshot");
    nodeOptions.setInitialConf(new Configuration(Collections.singletonList(peer)));
    final Node node = new NodeImpl("unittest", peer);
    assertTrue(node.init(nodeOptions));
    assertEquals(1, node.listPeers().size());
    assertTrue(node.listPeers().contains(peer));
    while (!node.isLeader()) {
        ;
    }
    int n = 5;
    {
        // apply tasks
        for (int i = 0; i < n; i++) {
            byte[] b = new byte[4];
            Bits.putInt(b, 0, i);
            node.apply(new Task(ByteBuffer.wrap(b), null));
        }
    }
    final AtomicInteger readIndexSuccesses = new AtomicInteger(0);
    {
        // Submit a read-index, wait for #onApply
        readIndexLatch.await();
        final CountDownLatch latch = new CountDownLatch(1);
        node.readIndex(null, new ReadIndexClosure() {

            @Override
            public void run(final Status status, final long index, final byte[] reqCtx) {
                try {
                    if (status.isOk()) {
                        readIndexSuccesses.incrementAndGet();
                    } else {
                        assertTrue("Unexpected status: " + status, status.getErrorMsg().contains(errorMsg) || status.getRaftError() == RaftError.ETIMEDOUT || status.getErrorMsg().contains("Invalid state for readIndex: STATE_ERROR"));
                    }
                } finally {
                    latch.countDown();
                }
            }
        });
        // We have already submit a read-index request,
        // notify #onApply can go right now
        applyLatch.countDown();
        // The state machine is in error state, the node should step down.
        while (node.isLeader()) {
            Thread.sleep(10);
        }
        latch.await();
        applyCompleteLatch.await();
    }
    // No read-index request succeed.
    assertEquals(0, readIndexSuccesses.get());
    assertTrue(n - 1 >= currentValue.get());
    node.shutdown();
    node.join();
}

Example 49 with Endpoint

use of com.alipay.sofa.jraft.util.Endpoint in project sofa-jraft by sofastack.

the class NodeTest method testInstallSnapshot.

@Test
public void testInstallSnapshot() 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();
    // get leader
    final Node leader = cluster.getLeader();
    assertNotNull(leader);
    // apply tasks to leader
    this.sendTestTaskAndWait(leader);
    cluster.ensureSame();
    // stop follower1
    final List<Node> followers = cluster.getFollowers();
    assertEquals(2, followers.size());
    final Endpoint followerAddr = followers.get(0).getNodeId().getPeerId().getEndpoint();
    assertTrue(cluster.stop(followerAddr));
    // apply something more
    this.sendTestTaskAndWait(leader, 10, RaftError.SUCCESS);
    // trigger leader snapshot
    triggerLeaderSnapshot(cluster, leader);
    // apply something more
    this.sendTestTaskAndWait(leader, 20, RaftError.SUCCESS);
    triggerLeaderSnapshot(cluster, leader, 2);
    // wait leader to compact logs
    Thread.sleep(50);
    // restart follower.
    cluster.clean(followerAddr);
    assertTrue(cluster.start(followerAddr, true, 300));
    Thread.sleep(2000);
    cluster.ensureSame();
    assertEquals(3, cluster.getFsms().size());
    for (final MockStateMachine fsm : cluster.getFsms()) {
        assertEquals(30, fsm.getLogs().size());
    }
    cluster.stopAll();
}

Example 50 with Endpoint

use of com.alipay.sofa.jraft.util.Endpoint in project sofa-jraft by sofastack.

the class NodeTest method testPreVote.

@Test
public void testPreVote() throws Exception {
    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();
    // get leader
    Node leader = cluster.getLeader();
    final long savedTerm = ((NodeImpl) leader).getCurrentTerm();
    assertNotNull(leader);
    // apply tasks to leader
    this.sendTestTaskAndWait(leader);
    cluster.ensureSame();
    final List<Node> followers = cluster.getFollowers();
    assertEquals(2, followers.size());
    final PeerId followerPeer = followers.get(0).getNodeId().getPeerId();
    final Endpoint followerAddr = followerPeer.getEndpoint();
    // remove follower
    LOG.info("Remove follower {}", followerPeer);
    CountDownLatch latch = new CountDownLatch(1);
    leader.removePeer(followerPeer, new ExpectClosure(latch));
    waitLatch(latch);
    this.sendTestTaskAndWait(leader, 10, RaftError.SUCCESS);
    Thread.sleep(2000);
    // add follower
    LOG.info("Add follower {}", followerAddr);
    peers = TestUtils.generatePeers(3);
    assertTrue(peers.remove(followerPeer));
    latch = new CountDownLatch(1);
    leader.addPeer(followerPeer, new ExpectClosure(latch));
    waitLatch(latch);
    leader = cluster.getLeader();
    assertNotNull(leader);
    // leader term should not be changed.
    assertEquals(savedTerm, ((NodeImpl) leader).getCurrentTerm());
    cluster.stopAll();
}