Examples with MySQLDataNode com.alibaba.cobar.mysql.MySQLDataNode used on opensource projects

Example 11 with MySQLDataNode

use of com.alibaba.cobar.mysql.MySQLDataNode in project cobar by alibaba.

the class MultiNodeQueryHandler method execute.

public void execute() throws Exception {
    final ReentrantLock lock = this.lock;
    lock.lock();
    try {
        this.reset(route.length);
        this.fieldsReturned = false;
        this.affectedRows = 0L;
        this.insertId = 0L;
        this.buffer = session.getSource().allocate();
    } finally {
        lock.unlock();
    }
    if (session.closed()) {
        decrementCountToZero();
        recycleResources();
        return;
    }
    session.setConnectionRunning(route);
    ThreadPoolExecutor executor = session.getSource().getProcessor().getExecutor();
    for (final RouteResultsetNode node : route) {
        final MySQLConnection conn = session.getTarget(node);
        if (conn != null) {
            conn.setAttachment(node);
            executor.execute(new Runnable() {

                @Override
                public void run() {
                    _execute(conn, node);
                }
            });
        } else {
            CobarConfig conf = CobarServer.getInstance().getConfig();
            MySQLDataNode dn = conf.getDataNodes().get(node.getName());
            dn.getConnection(this, node);
        }
    }
}

Example 12 with MySQLDataNode

use of com.alibaba.cobar.mysql.MySQLDataNode in project cobar by alibaba.

the class ShowHeartbeat method getRows.

private static List<RowDataPacket> getRows() {
    List<RowDataPacket> list = new LinkedList<RowDataPacket>();
    CobarConfig conf = CobarServer.getInstance().getConfig();
    // cobar nodes
    Map<String, CobarNode> cobarNodes = conf.getCluster().getNodes();
    List<String> cobarNodeKeys = new ArrayList<String>(cobarNodes.size());
    cobarNodeKeys.addAll(cobarNodes.keySet());
    Collections.sort(cobarNodeKeys);
    for (String key : cobarNodeKeys) {
        CobarNode node = cobarNodes.get(key);
        if (node != null) {
            CobarHeartbeat hb = node.getHeartbeat();
            RowDataPacket row = new RowDataPacket(FIELD_COUNT);
            row.add(node.getName().getBytes());
            row.add("COBAR".getBytes());
            row.add(node.getConfig().getHost().getBytes());
            row.add(IntegerUtil.toBytes(node.getConfig().getPort()));
            row.add(IntegerUtil.toBytes(hb.getStatus()));
            row.add(IntegerUtil.toBytes(hb.getErrorCount()));
            row.add(hb.isChecking() ? "checking".getBytes() : "idle".getBytes());
            row.add(LongUtil.toBytes(hb.getTimeout()));
            row.add(hb.getRecorder().get().getBytes());
            String at = hb.lastActiveTime();
            row.add(at == null ? null : at.getBytes());
            row.add(hb.isStop() ? "true".getBytes() : "false".getBytes());
            list.add(row);
        }
    }
    // data nodes
    Map<String, MySQLDataNode> dataNodes = conf.getDataNodes();
    List<String> dataNodeKeys = new ArrayList<String>(dataNodes.size());
    dataNodeKeys.addAll(dataNodes.keySet());
    Collections.sort(dataNodeKeys, new Comparators<String>());
    for (String key : dataNodeKeys) {
        MySQLDataNode node = dataNodes.get(key);
        if (node != null) {
            MySQLHeartbeat hb = node.getHeartbeat();
            RowDataPacket row = new RowDataPacket(FIELD_COUNT);
            row.add(node.getName().getBytes());
            row.add("MYSQL".getBytes());
            if (hb != null) {
                row.add(hb.getSource().getConfig().getHost().getBytes());
                row.add(IntegerUtil.toBytes(hb.getSource().getConfig().getPort()));
                row.add(IntegerUtil.toBytes(hb.getStatus()));
                row.add(IntegerUtil.toBytes(hb.getErrorCount()));
                row.add(hb.isChecking() ? "checking".getBytes() : "idle".getBytes());
                row.add(LongUtil.toBytes(hb.getTimeout()));
                row.add(hb.getRecorder().get().getBytes());
                String lat = hb.getLastActiveTime();
                row.add(lat == null ? null : lat.getBytes());
                row.add(hb.isStop() ? "true".getBytes() : "false".getBytes());
            } else {
                row.add(null);
                row.add(null);
                row.add(null);
                row.add(null);
                row.add(null);
                row.add(null);
                row.add(null);
                row.add(null);
                row.add(null);
            }
            list.add(row);
        }
    }
    return list;
}

Example 13 with MySQLDataNode

use of com.alibaba.cobar.mysql.MySQLDataNode in project cobar by alibaba.

the class CobarConfig method apply.

private void apply(Map<String, UserConfig> users, Map<String, SchemaConfig> schemas, Map<String, MySQLDataNode> dataNodes, Map<String, DataSourceConfig> dataSources, CobarCluster cluster, QuarantineConfig quarantine) {
    final ReentrantLock lock = this.lock;
    lock.lock();
    try {
        // stop mysql heartbeat
        Map<String, MySQLDataNode> oldDataNodes = this.dataNodes;
        if (oldDataNodes != null) {
            for (MySQLDataNode n : oldDataNodes.values()) {
                if (n != null) {
                    n.stopHeartbeat();
                }
            }
        }
        // stop cobar heartbeat
        CobarCluster oldCluster = this.cluster;
        if (oldCluster != null) {
            Map<String, CobarNode> nodes = oldCluster.getNodes();
            for (CobarNode n : nodes.values()) {
                if (n != null) {
                    n.stopHeartbeat();
                }
            }
        }
        this._users = this.users;
        this._schemas = this.schemas;
        this._dataNodes = this.dataNodes;
        this._dataSources = this.dataSources;
        this._cluster = this.cluster;
        this._quarantine = this.quarantine;
        // start mysql heartbeat
        if (dataNodes != null) {
            for (MySQLDataNode n : dataNodes.values()) {
                if (n != null) {
                    n.startHeartbeat();
                }
            }
        }
        // start cobar heartbeat
        if (cluster != null) {
            Map<String, CobarNode> nodes = cluster.getNodes();
            for (CobarNode n : nodes.values()) {
                if (n != null) {
                    n.startHeartbeat();
                }
            }
        }
        this.users = users;
        this.schemas = schemas;
        this.dataNodes = dataNodes;
        this.dataSources = dataSources;
        this.cluster = cluster;
        this.quarantine = quarantine;
    } finally {
        lock.unlock();
    }
}

Example 14 with MySQLDataNode

use of com.alibaba.cobar.mysql.MySQLDataNode in project cobar by alibaba.

the class CobarServer method startup.

public void startup() throws IOException {
    // server startup
    LOGGER.info("===============================================");
    LOGGER.info(NAME + " is ready to startup ...");
    SystemConfig system = config.getSystem();
    timer.schedule(updateTime(), 0L, TIME_UPDATE_PERIOD);
    // startup processors
    LOGGER.info("Startup processors ...");
    int handler = system.getProcessorHandler();
    int executor = system.getProcessorExecutor();
    int committer = system.getProcessorCommitter();
    processors = new NIOProcessor[system.getProcessors()];
    for (int i = 0; i < processors.length; i++) {
        processors[i] = new NIOProcessor("Processor" + i, handler, executor, committer);
        processors[i].startup();
    }
    timer.schedule(processorCheck(), 0L, system.getProcessorCheckPeriod());
    // startup connector
    LOGGER.info("Startup connector ...");
    connector = new NIOConnector(NAME + "Connector");
    connector.setProcessors(processors);
    connector.start();
    // init dataNodes
    Map<String, MySQLDataNode> dataNodes = config.getDataNodes();
    LOGGER.info("Initialize dataNodes ...");
    for (MySQLDataNode node : dataNodes.values()) {
        node.init(1, 0);
    }
    timer.schedule(dataNodeIdleCheck(), 0L, system.getDataNodeIdleCheckPeriod());
    timer.schedule(dataNodeHeartbeat(), 0L, system.getDataNodeHeartbeatPeriod());
    // startup manager
    ManagerConnectionFactory mf = new ManagerConnectionFactory();
    mf.setCharset(system.getCharset());
    mf.setIdleTimeout(system.getIdleTimeout());
    manager = new NIOAcceptor(NAME + "Manager", system.getManagerPort(), mf);
    manager.setProcessors(processors);
    manager.start();
    LOGGER.info(manager.getName() + " is started and listening on " + manager.getPort());
    // startup server
    ServerConnectionFactory sf = new ServerConnectionFactory();
    sf.setCharset(system.getCharset());
    sf.setIdleTimeout(system.getIdleTimeout());
    server = new NIOAcceptor(NAME + "Server", system.getServerPort(), sf);
    server.setProcessors(processors);
    server.start();
    timer.schedule(clusterHeartbeat(), 0L, system.getClusterHeartbeatPeriod());
    // server started
    LOGGER.info(server.getName() + " is started and listening on " + server.getPort());
    LOGGER.info("===============================================");
}

Example 15 with MySQLDataNode

use of com.alibaba.cobar.mysql.MySQLDataNode in project cobar by alibaba.

the class ConfigInitializer method initDataNodes.

private Map<String, MySQLDataNode> initDataNodes(ConfigLoader configLoader) {
    Map<String, DataNodeConfig> nodeConfs = configLoader.getDataNodes();
    Map<String, MySQLDataNode> nodes = new HashMap<String, MySQLDataNode>(nodeConfs.size());
    for (DataNodeConfig conf : nodeConfs.values()) {
        MySQLDataNode dataNode = getDataNode(conf, configLoader);
        if (nodes.containsKey(dataNode.getName())) {
            throw new ConfigException("dataNode " + dataNode.getName() + " duplicated!");
        }
        nodes.put(dataNode.getName(), dataNode);
    }
    return nodes;
}