Examples with Configuration com.alipay.sofa.jraft.conf.Configuration used on opensource projects

Example 56 with Configuration

use of com.alipay.sofa.jraft.conf.Configuration in project sofa-jraft by sofastack.

the class NodeTest method testShutdownAndJoinWorkAfterInitFails.

@Test
public void testShutdownAndJoinWorkAfterInitFails() throws Exception {
    final Endpoint addr = new Endpoint(TestUtils.getMyIp(), TestUtils.INIT_PORT);
    NodeManager.getInstance().addAddress(addr);
    {
        final NodeOptions nodeOptions = createNodeOptionsWithSharedTimer();
        final MockStateMachine fsm = new MockStateMachine(addr);
        nodeOptions.setFsm(fsm);
        nodeOptions.setLogUri(this.dataPath + File.separator + "log");
        nodeOptions.setSnapshotUri(this.dataPath + File.separator + "snapshot");
        nodeOptions.setRaftMetaUri(this.dataPath + File.separator + "meta");
        nodeOptions.setSnapshotIntervalSecs(10);
        nodeOptions.setInitialConf(new Configuration(Collections.singletonList(new PeerId(addr, 0))));
        final Node node = new NodeImpl("unittest", new PeerId(addr, 0));
        assertTrue(node.init(nodeOptions));
        Thread.sleep(1000);
        this.sendTestTaskAndWait(node);
        // save snapshot
        final CountDownLatch latch = new CountDownLatch(1);
        node.snapshot(new ExpectClosure(latch));
        waitLatch(latch);
        node.shutdown();
        node.join();
    }
    {
        final NodeOptions nodeOptions = createNodeOptionsWithSharedTimer();
        final MockStateMachine fsm = new MockFSM1(addr);
        nodeOptions.setFsm(fsm);
        nodeOptions.setLogUri(this.dataPath + File.separator + "log");
        nodeOptions.setSnapshotUri(this.dataPath + File.separator + "snapshot");
        nodeOptions.setRaftMetaUri(this.dataPath + File.separator + "meta");
        nodeOptions.setSnapshotIntervalSecs(10);
        nodeOptions.setInitialConf(new Configuration(Collections.singletonList(new PeerId(addr, 0))));
        final Node node = new NodeImpl("unittest", new PeerId(addr, 0));
        assertFalse(node.init(nodeOptions));
        node.shutdown();
        node.join();
    }
}

Example 57 with Configuration

use of com.alipay.sofa.jraft.conf.Configuration in project sofa-jraft by sofastack.

the class NodeTest method testAutoSnapshot.

@Test
public void testAutoSnapshot() throws Exception {
    final Endpoint addr = new Endpoint(TestUtils.getMyIp(), TestUtils.INIT_PORT);
    NodeManager.getInstance().addAddress(addr);
    final NodeOptions nodeOptions = createNodeOptionsWithSharedTimer();
    final MockStateMachine fsm = new MockStateMachine(addr);
    nodeOptions.setFsm(fsm);
    nodeOptions.setLogUri(this.dataPath + File.separator + "log");
    nodeOptions.setSnapshotUri(this.dataPath + File.separator + "snapshot");
    nodeOptions.setRaftMetaUri(this.dataPath + File.separator + "meta");
    nodeOptions.setSnapshotIntervalSecs(10);
    nodeOptions.setInitialConf(new Configuration(Collections.singletonList(new PeerId(addr, 0))));
    final Node node = new NodeImpl("unittest", new PeerId(addr, 0));
    assertTrue(node.init(nodeOptions));
    // wait node elect self as leader
    Thread.sleep(2000);
    sendTestTaskAndWait(node);
    // wait for auto snapshot
    Thread.sleep(10000);
    // first snapshot will be triggered randomly
    final int times = fsm.getSaveSnapshotTimes();
    assertTrue("snapshotTimes=" + times, times >= 1);
    assertTrue(fsm.getSnapshotIndex() > 0);
    final CountDownLatch latch = new CountDownLatch(1);
    node.shutdown(new ExpectClosure(latch));
    node.join();
    waitLatch(latch);
}

Example 58 with Configuration

use of com.alipay.sofa.jraft.conf.Configuration in project sofa-jraft by sofastack.

the class NodeTest method testSetPeer1.

@Test
public void testSetPeer1() throws Exception {
    final TestCluster cluster = new TestCluster("testSetPeer1", this.dataPath, new ArrayList<>());
    final PeerId bootPeer = new PeerId(TestUtils.getMyIp(), TestUtils.INIT_PORT);
    assertTrue(cluster.start(bootPeer.getEndpoint()));
    final List<Node> nodes = cluster.getFollowers();
    assertEquals(1, nodes.size());
    final List<PeerId> peers = new ArrayList<>();
    peers.add(bootPeer);
    // reset peers from empty
    assertTrue(nodes.get(0).resetPeers(new Configuration(peers)).isOk());
    cluster.waitLeader();
    assertNotNull(cluster.getLeader());
    cluster.stopAll();
}

Example 59 with Configuration

use of com.alipay.sofa.jraft.conf.Configuration 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 60 with Configuration

use of com.alipay.sofa.jraft.conf.Configuration in project sofa-jraft by sofastack.

the class NodeTest method testChangePeers.

@Test
public void testChangePeers() throws Exception {
    final PeerId peer0 = new PeerId(TestUtils.getMyIp(), TestUtils.INIT_PORT);
    final TestCluster cluster = new TestCluster("testChangePeers", this.dataPath, Collections.singletonList(peer0));
    assertTrue(cluster.start(peer0.getEndpoint()));
    cluster.waitLeader();
    Node leader = cluster.getLeader();
    this.sendTestTaskAndWait(leader);
    for (int i = 1; i < 10; i++) {
        final PeerId peer = new PeerId(TestUtils.getMyIp(), TestUtils.INIT_PORT + i);
        assertTrue(cluster.start(peer.getEndpoint(), true, 300));
    }
    for (int i = 0; i < 9; i++) {
        cluster.waitLeader();
        leader = cluster.getLeader();
        assertNotNull(leader);
        PeerId peer = new PeerId(TestUtils.getMyIp(), peer0.getEndpoint().getPort() + i);
        Assert.assertEquals(peer, leader.getNodeId().getPeerId());
        peer = new PeerId(TestUtils.getMyIp(), peer0.getEndpoint().getPort() + i + 1);
        final SynchronizedClosure done = new SynchronizedClosure();
        leader.changePeers(new Configuration(Collections.singletonList(peer)), done);
        assertTrue(done.await().isOk());
    }
    assertTrue(cluster.ensureSame());
    cluster.stopAll();
}