Package org.apache.zookeeper.server

Examples of org.apache.zookeeper.server.ServerCnxnFactory

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        final String HOSTPORT = "127.0.0.1:" + CLIENT_PORT;

        File tmpDir = ClientBase.createTmpDir();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);

        ServerCnxnFactory f = ServerCnxnFactory.createFactory(CLIENT_PORT, -1);
        f.startup(zks);
        Assert.assertTrue("waiting for server being up ", ClientBase
                .waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));

        CountdownWatcher watcher = new CountdownWatcher();
        ZooKeeper zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, watcher);
        watcher.waitForConnected(CONNECTION_TIMEOUT);

        List<String> joiners = new ArrayList<String>();
        joiners.add("server.2=localhost:1234:1235;1236");
        // generate some transactions that will get logged
        try {
            zk.reconfig(joiners, null, null, -1, new Stat());
            Assert.fail("Reconfiguration in standalone should trigger " +
                        "UnimplementedException");
        } catch (KeeperException.UnimplementedException ex) {
            // expected
        }
        zk.close();

        zks.shutdown();
        f.shutdown();
        Assert.assertTrue("waiting for server being down ", ClientBase
                .waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));
    }
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    public void testSnapshot() throws Exception {
        File snapDir = new File(testData, "invalidsnap");
        ZooKeeperServer zks = new ZooKeeperServer(snapDir, snapDir, 3000);
        SyncRequestProcessor.setSnapCount(1000);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        LOG.info("starting up the zookeeper server .. waiting");
        Assert.assertTrue("waiting for server being up",
                ClientBase.waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
        ZooKeeper zk = new ZooKeeper(HOSTPORT, 20000, this);
        try {
            // we know this from the data files
            // this node is the last node in the snapshot

            Assert.assertTrue(zk.exists("/9/9/8", false) != null);
        } finally {
            zk.close();
        }
        f.shutdown();
        zks.shutdown();
        Assert.assertTrue("waiting for server down",
                   ClientBase.waitForServerDown(HOSTPORT,
                           ClientBase.CONNECTION_TIMEOUT));
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        File tmpDir = ClientBase.createTmpDir();
        ClientBase.setupTestEnv();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        SyncRequestProcessor.setSnapCount(1000);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        try {
            LOG.info("starting up the zookeeper server .. waiting");
            Assert.assertTrue("waiting for server being up",
                    ClientBase.waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
            ZooKeeper zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, this);
            try {
                zk.addAuthInfo("digest", "pat:test".getBytes());
                zk.setACL("/", Ids.CREATOR_ALL_ACL, -1);
            } finally {
                zk.close();
            }
        } finally {
            f.shutdown();
            zks.shutdown();
            Assert.assertTrue("waiting for server down",
                    ClientBase.waitForServerDown(HOSTPORT,
                            ClientBase.CONNECTION_TIMEOUT));
        }
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        File tmpDir = ClientBase.createTmpDir();
        ClientBase.setupTestEnv();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        SyncRequestProcessor.setSnapCount(1000);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        ZooKeeper zk;
        String path;
        try {
            LOG.info("starting up the zookeeper server .. waiting");
            Assert.assertTrue("waiting for server being up",
                    ClientBase.waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
            zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, this);
            LOG.info("starting creating acls");
            for (int i = 0; i < 100; i++) {
                path = "/" + i;
                zk.create(path, path.getBytes(), Ids.OPEN_ACL_UNSAFE,
                        CreateMode.PERSISTENT);
            }
            Assert.assertTrue("size of the acl map ", (1 == zks.getZKDatabase().getAclSize()));
            for (int j = 100; j < 200; j++) {
                path = "/" + j;
                ACL acl = new ACL();
                acl.setPerms(0);
                Id id = new Id();
                id.setId("1.1.1."+j);
                id.setScheme("ip");
                acl.setId(id);
                ArrayList<ACL> list = new ArrayList<ACL>();
                list.add(acl);
                zk.create(path, path.getBytes(), list, CreateMode.PERSISTENT);
            }
            Assert.assertTrue("size of the acl map ", (101 == zks.getZKDatabase().getAclSize()));
        } finally {
            // now shutdown the server and restart it
            f.shutdown();
            zks.shutdown();
            Assert.assertTrue("waiting for server down",
                    ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));
        }
        startSignal = new CountDownLatch(1);

        zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        f = ServerCnxnFactory.createFactory(PORT, -1);

        f.startup(zks);
        try {
            Assert.assertTrue("waiting for server up",
                       ClientBase.waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
   
            startSignal.await(CONNECTION_TIMEOUT,
                    TimeUnit.MILLISECONDS);
            Assert.assertTrue("count == 0", startSignal.getCount() == 0);
   
            Assert.assertTrue("acl map ", (101 == zks.getZKDatabase().getAclSize()));
            for (int j = 200; j < 205; j++) {
                path = "/" + j;
                ACL acl = new ACL();
                acl.setPerms(0);
                Id id = new Id();
                id.setId("1.1.1."+j);
                id.setScheme("ip");
                acl.setId(id);
                ArrayList<ACL> list = new ArrayList<ACL>();
                list.add(acl);
                zk.create(path, path.getBytes(), list, CreateMode.PERSISTENT);
            }
            Assert.assertTrue("acl map ", (106 == zks.getZKDatabase().getAclSize()));
   
            zk.close();
        } finally {
            f.shutdown();
            zks.shutdown();
            Assert.assertTrue("waiting for server down",
                       ClientBase.waitForServerDown(HOSTPORT,
                               ClientBase.CONNECTION_TIMEOUT));
        }
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        File tmpDir = ClientBase.createTmpDir();
        ClientBase.setupTestEnv();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        SyncRequestProcessor.setSnapCount(100);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        Assert.assertTrue("waiting for server being up ",
                ClientBase.waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
        ZooKeeper zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, this);

        // Generate transaction so we will have some txnlog
        Long[] zxids = new Long[MSG_COUNT];
        try {
            String data = "data";
            byte[] bytes = data.getBytes();
            for (int i = 0; i < MSG_COUNT; i++) {
                Stat stat = new Stat();
                zk.create("/invalidsnap-" + i, bytes, Ids.OPEN_ACL_UNSAFE,
                        CreateMode.PERSISTENT);
                zk.getData("/invalidsnap-" + i, null, stat);
                zxids[i] = stat.getCzxid();
            }

        } finally {
            zk.close();
        }

        // shutdown and start zookeeper again
        f.shutdown();
        zks.shutdown();
        Assert.assertTrue("waiting for server to shutdown",
                ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));
        zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        zks.startdata();

        ZKDatabase db = zks.getZKDatabase();

        // Set sizeLimit to be very high number, so we can pull all transactions
        // from txnlog
        Iterator<Proposal> itr = db.getProposalsFromTxnLog(zxids[0], 10000000);

        int createCount = 0;
        ArrayList<Long> retrievedZxids = new ArrayList<Long>(MSG_COUNT);

        // Get zxid of create requests
        while (itr.hasNext()) {
            Proposal proposal = itr.next();
            TxnHeader hdr = new TxnHeader();
            Record rec = SerializeUtils.deserializeTxn(
                    proposal.packet.getData(), hdr);
            if (hdr.getType() == OpCode.create) {
                retrievedZxids.add(hdr.getZxid());
                createCount++;
            }
        }

        // All zxid should match what we created
        Assert.assertTrue("Zxids missmatches",
                Arrays.equals(zxids, retrievedZxids.toArray(new Long[0])));

        // There should be 2000 create requests
        Assert.assertTrue("create proposal count == " + MSG_COUNT,
                (createCount == MSG_COUNT));

        // We are requesting half the number of transaction from the snapshot
        // this should exceed threshold (ZKDatabase.snapshotSizeFactor)
        db.setSnapshotSizeFactor(0.33);
        long sizeLimit = db.calculateTxnLogSizeLimit();

        itr = db.getProposalsFromTxnLog(zxids[MSG_COUNT / 2], sizeLimit);
        Assert.assertFalse("Expect empty proposal", (itr.hasNext()));
        f.shutdown();
        zks.shutdown();
    }
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        File tmpDir = ClientBase.createTmpDir();
        ClientBase.setupTestEnv();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        SyncRequestProcessor.setSnapCount(100);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        Assert.assertTrue("waiting for server being up ",
                ClientBase.waitForServerUp(HOSTPORT,CONNECTION_TIMEOUT));
        ZooKeeper zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, this);

        // generate some transactions that will get logged
        try {
            for (int i = 0; i< NUM_MESSAGES; i++) {
                zk.create("/invalidsnap-" + i, new byte[0], Ids.OPEN_ACL_UNSAFE,
                        CreateMode.PERSISTENT);
            }
        } finally {
            zk.close();
        }
        f.shutdown();
        Assert.assertTrue("waiting for server to shutdown",
                ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));

        // now verify that the FileTxnLog reads every transaction only once
        File logDir = new File(tmpDir, FileTxnSnapLog.version + FileTxnSnapLog.VERSION);
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        ClientBase.setupTestEnv();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        // So we have at least 4 logs
        SyncRequestProcessor.setSnapCount(50);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        Assert.assertTrue("waiting for server being up ",
                ClientBase.waitForServerUp(HOSTPORT,CONNECTION_TIMEOUT));
        ZooKeeper zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, this);

        // generate some transactions that will get logged
        try {
            for (int i = 0; i< NUM_MESSAGES; i++) {
                zk.create("/data-", new byte[0], Ids.OPEN_ACL_UNSAFE,
                        CreateMode.PERSISTENT_SEQUENTIAL);
            }
        } finally {
            zk.close();
        }
        f.shutdown();
        Assert.assertTrue("waiting for server to shutdown",
                ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));

        File logDir = new File(tmpDir, FileTxnSnapLog.version + FileTxnSnapLog.VERSION);
        File[] logFiles = FileTxnLog.getLogFiles(logDir.listFiles(), 0);
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    File tmpDir = ClientBase.createTmpDir();
    ClientBase.setupTestEnv();
    ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
    SyncRequestProcessor.setSnapCount(10000);
    final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
    ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
    f.startup(zks);
    Assert.assertTrue("waiting for server being up ", ClientBase
        .waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
        ZooKeeper zk = getConnectedZkClient();

    // generate some transactions
    String lastPath = null;
    try {
      zk.create("/invalidsnap", new byte[0], Ids.OPEN_ACL_UNSAFE,
          CreateMode.PERSISTENT);
      for (int i = 0; i < NUM_MESSAGES; i++) {
        lastPath = zk.create("/invalidsnap/test-", new byte[0],
            Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT_SEQUENTIAL);
      }
    } finally {
      zk.close();
    }
    String[] tokens = lastPath.split("-");
    String expectedPath = "/invalidsnap/test-"
        + String.format("%010d",
            (new Integer(tokens[1])).intValue() + 1);
    long eZxid = zks.getZKDatabase().getDataTreeLastProcessedZxid();
    // force the zxid to be behind the content
    zks.getZKDatabase().setlastProcessedZxid(
        zks.getZKDatabase().getDataTreeLastProcessedZxid() - 10);
    LOG.info("Set lastProcessedZxid to "
        + zks.getZKDatabase().getDataTreeLastProcessedZxid());
    // Force snapshot and restore
    zks.takeSnapshot();
    zks.shutdown();
    f.shutdown();

    zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
    SyncRequestProcessor.setSnapCount(10000);
    f = ServerCnxnFactory.createFactory(PORT, -1);
    f.startup(zks);
    Assert.assertTrue("waiting for server being up ", ClientBase
        .waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
    connected = false;
    long fZxid = zks.getZKDatabase().getDataTreeLastProcessedZxid();

    // Verify lastProcessedZxid is set correctly
    Assert.assertTrue("Restore failed expected zxid=" + eZxid + " found="
        + fZxid, fZxid == eZxid);
        zk = getConnectedZkClient();

    // Verify correctness of data and whether sequential znode creation
    // proceeds correctly after this point
    String[] children;
    String path;
    try {
      children = zk.getChildren("/invalidsnap", false).toArray(
          new String[0]);
      path = zk.create("/invalidsnap/test-", new byte[0],
          Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT_SEQUENTIAL);
    } finally {
      zk.close();
    }
    LOG.info("Expected " + expectedPath + " found " + path);
    Assert.assertTrue("Error in sequential znode creation expected "
        + expectedPath + " found " + path, path.equals(expectedPath));
    Assert.assertTrue("Unexpected number of children " + children.length
        + " expected " + NUM_MESSAGES,
        (children.length == NUM_MESSAGES));
    f.shutdown();
    zks.shutdown();
  }
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        File tmpDir = ClientBase.createTmpDir();
        ClientBase.setupTestEnv();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        SyncRequestProcessor.setSnapCount(10000);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        Assert.assertTrue("waiting for server being up ", ClientBase
                .waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
        ZooKeeper zk = getConnectedZkClient();

        // generate some transactions
        try {
            for (int i = 0; i < NUM_MESSAGES; i++) {
                try {
                    zk.create("/invaliddir/test-", new byte[0],
                            Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT_SEQUENTIAL);
                } catch(NoNodeException e) {
                    //Expected
                }
            }
        } finally {
            zk.close();
        }

        // force the zxid to be behind the content
        zks.getZKDatabase().setlastProcessedZxid(
                zks.getZKDatabase().getDataTreeLastProcessedZxid() - 10);
        LOG.info("Set lastProcessedZxid to "
                + zks.getZKDatabase().getDataTreeLastProcessedZxid());

        // Force snapshot and restore
        zks.takeSnapshot();
        zks.shutdown();
        f.shutdown();

        zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        SyncRequestProcessor.setSnapCount(10000);
        f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        Assert.assertTrue("waiting for server being up ", ClientBase
                .waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));

        f.shutdown();
        zks.shutdown();
    }
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        // first verify the default (autocreate on) works
        File tmpDir = ClientBase.createTmpDir();
        ZooKeeperServer zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
        f.startup(zks);
        Assert.assertTrue("waiting for server being up ", ClientBase
                .waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
        zks.shutdown();
        f.shutdown();
        Assert.assertTrue("waiting for server being down ", ClientBase
                .waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));

        try {
            // now verify autocreate off works
            System.setProperty(FileTxnSnapLog.ZOOKEEPER_DATADIR_AUTOCREATE, "false");

            tmpDir = ClientBase.createTmpDir();
            zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
            f = ServerCnxnFactory.createFactory(PORT, -1);
            f.startup(zks);
            Assert.assertTrue("waiting for server being up ", ClientBase
                    .waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));

            Assert.fail("Server should not have started without datadir");
        } catch (IOException e) {
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