Examples with HDBConnection herddb.client.HDBConnection used on opensource projects

Example 11 with HDBConnection

use of herddb.client.HDBConnection in project herddb by diennea.

the class RetryOnLeaderChangedTest method testSwitchLeaderAndAuthTimeout.

@Test
public void testSwitchLeaderAndAuthTimeout() throws Exception {
    TestStatsProvider statsProvider = new TestStatsProvider();
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    final AtomicBoolean suspendProcessing = new AtomicBoolean(false);
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        try (Server server_2 = new Server(serverconfig_2) {

            @Override
            protected ServerSideConnectionPeer buildPeer(Channel channel) {
                return new ServerSideConnectionPeer(channel, this) {

                    @Override
                    public void requestReceived(Pdu message, Channel channel) {
                        if (suspendProcessing.get()) {
                            LOG.log(Level.INFO, "dropping message type " + message.type + " id " + message.messageId);
                            message.close();
                            return;
                        }
                        super.requestReceived(message, channel);
                    }
                };
            }
        }) {
            server_2.start();
            TestUtils.execute(server_1.getManager(), "CREATE TABLESPACE 'ttt','leader:" + server_2.getNodeId() + "','expectedreplicacount:2'", Collections.emptyList());
            // wait for server_2 to wake up
            for (int i = 0; i < 40; i++) {
                TableSpaceManager tableSpaceManager2 = server_2.getManager().getTableSpaceManager("ttt");
                if (tableSpaceManager2 != null && tableSpaceManager2.isLeader()) {
                    break;
                }
                Thread.sleep(500);
            }
            assertTrue(server_2.getManager().getTableSpaceManager("ttt") != null && server_2.getManager().getTableSpaceManager("ttt").isLeader());
            // wait for server_1 to announce as follower
            waitClusterStatus(server_1.getManager(), server_1.getNodeId(), "follower");
            ClientConfiguration clientConfiguration = new ClientConfiguration();
            clientConfiguration.set(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_CLUSTER);
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
            clientConfiguration.set(ClientConfiguration.PROPERTY_MAX_CONNECTIONS_PER_SERVER, 2);
            clientConfiguration.set(ClientConfiguration.PROPERTY_TIMEOUT, 2000);
            StatsLogger logger = statsProvider.getStatsLogger("ds");
            try (HDBClient client1 = new HDBClient(clientConfiguration, logger) {

                @Override
                public HDBConnection openConnection() {
                    HDBConnection con = new VisibleRouteHDBConnection(this);
                    registerConnection(con);
                    return con;
                }
            }) {
                try (VisibleRouteHDBConnection connection = (VisibleRouteHDBConnection) client1.openConnection()) {
                    // create table and insert data
                    connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE ttt.t1(k1 int primary key, n1 int)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(1,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    assertEquals("server2", connection.getRouteToTableSpace("ttt").getNodeId());
                    // change leader
                    switchLeader(server_1.getNodeId(), server_2.getNodeId(), server_1.getManager());
                    try (VisibleRouteHDBConnection connection2 = (VisibleRouteHDBConnection) client1.openConnection()) {
                        // connection routing still point to old leader (now follower)
                        assertEquals("server2", connection2.getRouteToTableSpace("ttt").getNodeId());
                        // suspend server_2 authentication
                        suspendProcessing.set(true);
                        // attempt an insert with old routing. Suspended autentication generates a timeout
                        // and routing will be reevaluated
                        assertEquals(1, connection2.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(2,2)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList()).updateCount);
                        // right routing to current master
                        assertEquals("server1", connection2.getRouteToTableSpace("ttt").getNodeId());
                        suspendProcessing.set(false);
                    }
                }
            }
        }
    }
}

Example 12 with HDBConnection

use of herddb.client.HDBConnection in project herddb by diennea.

the class RetryOnLeaderChangedTest method testKillLeader.

private void testKillLeader(Consumer<HDBConnection> operation) throws Exception {
    TestStatsProvider statsProvider = new TestStatsProvider();
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            TestUtils.execute(server_1.getManager(), "CREATE TABLESPACE 'ttt','leader:" + server_2.getNodeId() + "','expectedreplicacount:2'", Collections.emptyList());
            // wait for server_2 to wake up
            for (int i = 0; i < 40; i++) {
                TableSpaceManager tableSpaceManager2 = server_2.getManager().getTableSpaceManager("ttt");
                if (tableSpaceManager2 != null && tableSpaceManager2.isLeader()) {
                    break;
                }
                Thread.sleep(500);
            }
            assertTrue(server_2.getManager().getTableSpaceManager("ttt") != null && server_2.getManager().getTableSpaceManager("ttt").isLeader());
            // wait for server_1 to announce as follower
            waitClusterStatus(server_1.getManager(), server_1.getNodeId(), "follower");
            ClientConfiguration clientConfiguration = new ClientConfiguration();
            clientConfiguration.set(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_CLUSTER);
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
            clientConfiguration.set(ClientConfiguration.PROPERTY_MAX_OPERATION_RETRY_COUNT, 1000);
            StatsLogger logger = statsProvider.getStatsLogger("ds");
            try (HDBClient client1 = new HDBClient(clientConfiguration, logger)) {
                try (HDBConnection connection = client1.openConnection()) {
                    // create table and insert data
                    connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE ttt.t1(k1 int primary key, n1 int)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(1,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(2,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(3,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    // use client2, so that it opens a connection to current leader
                    try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM ttt.t1", false, Collections.emptyList(), TransactionContext.NOTRANSACTION_ID, 0, 0, true)) {
                        assertEquals(3, scan.consume().size());
                    }
                    // change leader
                    switchLeader(server_1.getNodeId(), null, server_1.getManager());
                    // make server_2 (current leader) die
                    server_2.close();
                    // perform operation, it will eventually succeed, because
                    // the client will automatically wait for the new leader to be up
                    operation.accept(connection);
                }
            }
        }
    }
}

Example 13 with HDBConnection

use of herddb.client.HDBConnection in project herddb by diennea.

the class JAASKerberosTest method test.

@Test
public void test() throws Exception {
    ServerConfiguration serverConfig = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverConfig.set(ServerConfiguration.PROPERTY_HOST, "localhost");
    try (Server server = new Server(serverConfig)) {
        server.start();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
            HDBConnection connection = client.openConnection()) {
            client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
            long resultCreateTable = connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE mytable (id string primary key, n1 long, n2 integer)", 0, false, true, Collections.emptyList()).updateCount;
            Assert.assertEquals(1, resultCreateTable);
            Assert.assertEquals(1, connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO mytable (id,n1,n2) values(?,?,?)", 0, false, true, Arrays.asList("test_0", 1, 2)).updateCount);
            Map<RawString, Object> newValue = connection.executeUpdate(TableSpace.DEFAULT, "UPDATE mytable set n1= n1+1 where id=?", 0, true, true, Arrays.asList("test_0")).newvalue;
            assertEquals(Long.valueOf(2), newValue.get(RawString.of("n1")));
        }
    } finally {
        System.clearProperty("java.security.auth.login.config");
    }
}

Example 14 with HDBConnection

use of herddb.client.HDBConnection in project herddb by diennea.

the class BasicHerdDBDataSource method getHDBConnection.

private synchronized HDBConnection getHDBConnection() {
    if (connection == null) {
        HDBClient _client = getClient();
        HDBConnection _connection = _client.openConnection();
        _connection.setDiscoverTablespaceFromSql(false);
        connection = _connection;
    }
    return connection;
}

Example 15 with HDBConnection

use of herddb.client.HDBConnection in project herddb by diennea.

the class DownloadTableSpaceTest method downloadTablespaceTest.

@Test
public void downloadTablespaceTest() throws Exception {
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).primaryKey("c").build();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        for (int i = 0; i < 1000; i++) {
            server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", i)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        }
        List<Map<String, Object>> logical_data = new ArrayList<>();
        AtomicBoolean start = new AtomicBoolean();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
            HDBConnection con = client.openConnection()) {
            client.setClientSideMetadataProvider(new ZookeeperClientSideMetadataProvider(testEnv.getAddress(), testEnv.getTimeout(), testEnv.getPath()));
            CountDownLatch count = new CountDownLatch(1);
            con.dumpTableSpace(TableSpace.DEFAULT, new TableSpaceDumpReceiver() {

                Table table;

                @Override
                public void start(LogSequenceNumber logSequenceNumber) throws DataStorageManagerException {
                    System.out.println("start at " + logSequenceNumber);
                    start.set(true);
                }

                @Override
                public void finish(LogSequenceNumber logSequenceNumber) {
                    System.out.println("finish!");
                    count.countDown();
                }

                @Override
                public void endTable() {
                    System.out.println("endTable");
                    table = null;
                }

                @Override
                public void receiveTableDataChunk(List<Record> records) {
                    // System.out.println("receiveTableDataChunk " + records);
                    for (Record r : records) {
                        Map<String, Object> bean = r.toBean(table);
                        // System.out.println("received:" + bean);
                        logical_data.add(bean);
                    }
                }

                @Override
                public void beginTable(DumpedTableMetadata table, Map<String, Object> stats) {
                    System.out.println("beginTable " + table);
                    this.table = table.table;
                }
            }, 89, false);
            assertTrue(count.await(20, TimeUnit.SECONDS));
            assertEquals(1000, logical_data.size());
            assertTrue(start.get());
        }
    }
}