Examples with DHTNode com.ms.silverking.cloud.dht.daemon.DHTNode used on opensource projects

Example 1 with DHTNode

use of com.ms.silverking.cloud.dht.daemon.DHTNode in project SilverKing by Morgan-Stanley.

the class DHTClient method embedPassiveNode.

private void embedPassiveNode(ClientDHTConfiguration dhtConfig) {
    DHTNode embeddedNode;
    Path tempDir;
    File skDir;
    try {
        tempDir = Files.createTempDirectory(null);
        skDir = new File(tempDir.toFile(), "silverking");
        skDir.mkdirs();
    } catch (IOException ioe) {
        throw new RuntimeException(ioe);
    }
    DHTNodeConfiguration.setDataBasePath(skDir.getAbsolutePath() + "/data");
    embeddedNode = new DHTNode(dhtConfig.getName(), dhtConfig.getZKConfig(), defaultInactiveNodeTimeoutSeconds, false, false);
}

Example 2 with DHTNode

use of com.ms.silverking.cloud.dht.daemon.DHTNode in project SilverKing by Morgan-Stanley.

the class EmbeddedSK method createEmbeddedSKInstance.

public static ClientDHTConfiguration createEmbeddedSKInstance(String dhtName, String gridConfigName, String ringName, int replication) {
    try {
        int zkPort;
        Path tempDir;
        File zkDir;
        File skDir;
        ZooKeeperConfig zkConfig;
        // 0) Create LWT work pools
        LWTPoolProvider.createDefaultWorkPools();
        // 1) Start an embedded ZooKeeper
        Log.warning("Creating embedded ZooKeeper");
        try {
            tempDir = Files.createTempDirectory(null);
            zkDir = new File(tempDir.toFile(), "zookeeper");
            zkDir.mkdirs();
            skDir = new File(tempDir.toFile(), "silverking");
            skDir.mkdirs();
        } catch (IOException ioe) {
            throw new RuntimeException(ioe);
        }
        zkPort = LocalZKImpl.startLocalZK(zkDir.getAbsolutePath());
        zkConfig = new ZooKeeperConfig(InetAddress.getLoopbackAddress().getHostAddress() + ":" + zkPort);
        Log.warning("Embedded ZooKeeper running at: " + zkConfig);
        DHTNodeConfiguration.setDataBasePath(skDir.getAbsolutePath() + "/data");
        // 2) Create ring in ZK
        Log.warning("Creating ring");
        StaticRingCreator.createStaticRing(ringName, zkConfig, ImmutableSet.of(IPAddrUtil.localIPString()), replication);
        Log.warning("Created: " + ringName);
        // 3) Create DHT Config in ZK
        DHTConfiguration dhtConfig;
        MetaClient dhtMC;
        DHTConfigurationZK dhtConfigZK;
        ClientDHTConfiguration clientDHTConfig;
        int dhtPort;
        Log.warning("Creating DHT configuration in ZK");
        if (skPort <= 0) {
            // FIXME
            dhtPort = ThreadLocalRandom.current().nextInt(10000, 20000);
        } else {
            dhtPort = skPort;
        }
        clientDHTConfig = new ClientDHTConfiguration(dhtName, dhtPort, zkConfig);
        dhtMC = new MetaClient(clientDHTConfig);
        dhtConfigZK = new DHTConfigurationZK(dhtMC);
        dhtConfig = DHTConfiguration.emptyTemplate.ringName(ringName).port(dhtPort).passiveNodeHostGroups("").hostGroupToClassVarsMap(new HashMap<String, String>());
        dhtConfigZK.writeToZK(dhtConfig, null);
        Log.warning("Created DHT configuration in ZK");
        // 4) Set cur and target rings
        DHTRingCurTargetZK curTargetZK;
        Log.warning("Setting ring targets");
        curTargetZK = new DHTRingCurTargetZK(dhtMC, dhtConfig);
        curTargetZK.setCurRingAndVersionPair(ringName, 0, 0);
        curTargetZK.setTargetRingAndVersionPair(ringName, 0, 0);
        Log.warning("Ring targets set");
        // 4) Start DHTNode
        Log.warning("Starting DHTNode");
        new DHTNode(dhtName, zkConfig, 0, false, false);
        Log.warning("DHTNode started");
        // 5) Return the configuration to the caller
        return clientDHTConfig;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}