Java Code Examples for com.alipay.sofa.jraft.conf.Configuration#parse()

protected void initRouteTableByRegion(final RegionRouteTableOptions opts) {
    final long regionId = Requires.requireNonNull(opts.getRegionId(), "opts.regionId");
    final byte[] startKey = opts.getStartKeyBytes();
    final byte[] endKey = opts.getEndKeyBytes();
    final String initialServerList = opts.getInitialServerList();
    final Region region = new Region();
    final Configuration conf = new Configuration();
    // region
    region.setId(regionId);
    region.setStartKey(startKey);
    region.setEndKey(endKey);
    region.setRegionEpoch(new RegionEpoch(-1, -1));
    // peers
    Requires.requireTrue(Strings.isNotBlank(initialServerList), "opts.initialServerList is blank");
    conf.parse(initialServerList);
    region.setPeers(JRaftHelper.toPeerList(conf.listPeers()));
    // update raft route table
    RouteTable.getInstance().updateConfiguration(JRaftHelper.getJRaftGroupId(clusterName, regionId), conf);
    this.regionRouteTable.addOrUpdateRegion(region);
}
 

protected Region getLocalRegionMetadata(final RegionEngineOptions opts) {
    final long regionId = Requires.requireNonNull(opts.getRegionId(), "opts.regionId");
    Requires.requireTrue(regionId >= Region.MIN_ID_WITH_MANUAL_CONF, "opts.regionId must >= "
                                                                     + Region.MIN_ID_WITH_MANUAL_CONF);
    Requires.requireTrue(regionId < Region.MAX_ID_WITH_MANUAL_CONF, "opts.regionId must < "
                                                                    + Region.MAX_ID_WITH_MANUAL_CONF);
    final byte[] startKey = opts.getStartKeyBytes();
    final byte[] endKey = opts.getEndKeyBytes();
    final String initialServerList = opts.getInitialServerList();
    final Region region = new Region();
    final Configuration conf = new Configuration();
    // region
    region.setId(regionId);
    region.setStartKey(startKey);
    region.setEndKey(endKey);
    region.setRegionEpoch(new RegionEpoch(-1, -1));
    // peers
    Requires.requireTrue(Strings.isNotBlank(initialServerList), "opts.initialServerList is blank");
    conf.parse(initialServerList);
    region.setPeers(JRaftHelper.toPeerList(conf.listPeers()));
    this.regionRouteTable.addOrUpdateRegion(region);
    return region;
}
 

public static AtomicRangeGroup start(StartupConf conf, RpcServer rpcServer) throws IOException {

        final NodeOptions nodeOptions = new NodeOptions();
        // Set election timeout to 1 second
        nodeOptions.setElectionTimeoutMs(1000);
        // Close cli service
        nodeOptions.setDisableCli(false);
        // A snapshot saving would be triggered every 30 seconds
        // nodeOptions.setSnapshotIntervalSecs(30);
        // Parsing Options
        final PeerId serverId = new PeerId();
        if (!serverId.parse(conf.getServerAddress())) {
            throw new IllegalArgumentException("Fail to parse serverId:" + conf.getServerAddress());
        }
        final Configuration initConf = new Configuration();
        if (!initConf.parse(conf.getConf())) {
            throw new IllegalArgumentException("Fail to parse initConf:" + conf.getConf());
        }
        // Set the initial cluster configuration
        nodeOptions.setInitialConf(initConf);
        // Startup node
        final AtomicRangeGroup node = new AtomicRangeGroup(conf.getDataPath(), conf.getGroupId(), serverId,
            conf.getMinSlot(), conf.getMaxSlot(), nodeOptions, rpcServer);
        LOG.info("Started range node[{}-{}] at port:{}", conf.getMinSlot(), conf.getMaxSlot(), node.getNode()
            .getNodeId().getPeerId().getPort());
        return node;
    }
 

/**
 * Create a configuration from a string in the form of "host1:port1[:idx],host2:port2[:idx]......",
 * returns a empty configuration when string is blank.
 */
public static Configuration getConfiguration(final String s) {
    final Configuration conf = new Configuration();
    if (StringUtils.isBlank(s)) {
        return conf;
    }
    if (conf.parse(s)) {
        return conf;
    }
    throw new IllegalArgumentException("Invalid conf str:" + s);
}
 

/**
 * Update configuration of group in route table.
 *
 * @param groupId raft group id
 * @param confStr configuration string
 * @return true on success
 */
public boolean updateConfiguration(final String groupId, final String confStr) {
    Requires.requireTrue(!StringUtils.isBlank(groupId), "Blank group id");
    Requires.requireTrue(!StringUtils.isBlank(confStr), "Blank configuration");

    final Configuration conf = new Configuration();
    if (conf.parse(confStr)) {
        return updateConfiguration(groupId, conf);
    } else {
        LOG.error("Fail to parse confStr: {}", confStr);
        return false;
    }
}
 

public static void main(final String[] args) throws Exception {
    if (args.length != 2) {
        System.out.println("Useage : java com.alipay.sofa.jraft.example.counter.CounterClient {groupId} {conf}");
        System.out
            .println("Example: java com.alipay.sofa.jraft.example.counter.CounterClient counter 127.0.0.1:8081,127.0.0.1:8082,127.0.0.1:8083");
        System.exit(1);
    }
    final String groupId = args[0];
    final String confStr = args[1];

    final Configuration conf = new Configuration();
    if (!conf.parse(confStr)) {
        throw new IllegalArgumentException("Fail to parse conf:" + confStr);
    }

    RouteTable.getInstance().updateConfiguration(groupId, conf);

    final CliClientServiceImpl cliClientService = new CliClientServiceImpl();
    cliClientService.init(new CliOptions());

    if (!RouteTable.getInstance().refreshLeader(cliClientService, groupId, 1000).isOk()) {
        throw new IllegalStateException("Refresh leader failed");
    }

    final PeerId leader = RouteTable.getInstance().selectLeader(groupId);
    System.out.println("Leader is " + leader);
    final int n = 1000;
    final CountDownLatch latch = new CountDownLatch(n);
    final long start = System.currentTimeMillis();
    for (int i = 0; i < n; i++) {
        incrementAndGet(cliClientService, leader, i, latch);
    }
    latch.await();
    System.out.println(n + " ops, cost : " + (System.currentTimeMillis() - start) + " ms.");
    System.exit(0);
}
 

public static void main(final String[] args) throws IOException {
    if (args.length != 4) {
        System.out
            .println("Useage : java com.alipay.sofa.jraft.example.counter.CounterServer {dataPath} {groupId} {serverId} {initConf}");
        System.out
            .println("Example: java com.alipay.sofa.jraft.example.counter.CounterServer /tmp/server1 counter 127.0.0.1:8081 127.0.0.1:8081,127.0.0.1:8082,127.0.0.1:8083");
        System.exit(1);
    }
    final String dataPath = args[0];
    final String groupId = args[1];
    final String serverIdStr = args[2];
    final String initConfStr = args[3];

    final NodeOptions nodeOptions = new NodeOptions();
    // 为了测试,调整 snapshot 间隔等参数
    // 设置选举超时时间为 1 秒
    nodeOptions.setElectionTimeoutMs(1000);
    // 关闭 CLI 服务。
    nodeOptions.setDisableCli(false);
    // 每隔30秒做一次 snapshot
    nodeOptions.setSnapshotIntervalSecs(30);
    // 解析参数
    final PeerId serverId = new PeerId();
    if (!serverId.parse(serverIdStr)) {
        throw new IllegalArgumentException("Fail to parse serverId:" + serverIdStr);
    }
    final Configuration initConf = new Configuration();
    if (!initConf.parse(initConfStr)) {
        throw new IllegalArgumentException("Fail to parse initConf:" + initConfStr);
    }
    // 设置初始集群配置
    nodeOptions.setInitialConf(initConf);

    // 启动
    final CounterServer counterServer = new CounterServer(dataPath, groupId, serverId, nodeOptions);
    System.out.println("Started counter server at port:"
                       + counterServer.getNode().getNodeId().getPeerId().getPort());
}
 

/**
 * @param groupId
 * @param confStr  Example: 127.0.0.1:8081,127.0.0.1:8082,127.0.0.1:8083
 */
public RaftClient(String groupId, String confStr) {

    this.groupId = groupId;
    conf = new Configuration();
    if (!conf.parse(confStr)) {
        throw new IllegalArgumentException("Fail to parse conf:" + confStr);
    }
    cliOptions = new CliOptions();
    cliClientService = new BoltCliClientService();
}
 

/**
 * @param groupId
 * @param confStr
 * @param cliClientService
 */
public RaftClient(String groupId, String confStr, AbstractBoltClientService cliClientService) {

    this.groupId = groupId;
    conf = new Configuration();
    if (!conf.parse(confStr)) {
        throw new IllegalArgumentException("Fail to parse conf:" + confStr);
    }
    cliOptions = new CliOptions();
    this.cliClientService = (BoltCliClientService) cliClientService;
}
 

/**
 *
 * @param dataPath    Example: /tmp/server1
 * @param groupId
 * @param serverIdStr Example: 127.0.0.1:8081
 * @param initConfStr Example: 127.0.0.1:8081,127.0.0.1:8082,127.0.0.1:8083
 * @throws IOException
 */
public RaftServer(String dataPath, String groupId, String serverIdStr, String initConfStr) {
    this.dataPath = dataPath;
    this.groupId = groupId;
    serverId = new PeerId();
    if (!serverId.parse(serverIdStr)) {
        throw new IllegalArgumentException("Fail to parse serverId:" + serverIdStr);
    }

    initConf = new Configuration();
    if (!initConf.parse(initConfStr)) {
        throw new IllegalArgumentException("Fail to parse initConf:" + initConfStr);
    }
}
 

public static void main(final String[] args) throws IOException {
  if (args.length != 4) {
    System.out
        .println("Useage :  {dataPath} {groupId} {serverId} {initConf}");
    System.out
        .println("Example:  /tmp/server1 counter 127.0.0.1:8081 " +
            "127.0.0.1:8081,127.0.0.1:8082,127.0.0.1:8083");
    System.exit(1);
  }
  final String dataPath = args[0];
  final String groupId = args[1];
  final String serverIdStr = args[2];
  final String initConfStr = args[3];

  final NodeOptions nodeOptions = new NodeOptions();
  // Set the election timeout to 1 second.
  nodeOptions.setElectionTimeoutMs(1000);
  // close CLI service.
  nodeOptions.setDisableCli(false);
  //30s snapshot
  nodeOptions.setSnapshotIntervalSecs(30);
  // parser
  final PeerId serverId = new PeerId();
  if (!serverId.parse(serverIdStr)) {
    throw new IllegalArgumentException("Fail to parse serverId:" + serverIdStr);
  }
  final Configuration initConf = new Configuration();
  if (!initConf.parse(initConfStr)) {
    throw new IllegalArgumentException("Fail to parse initConf:" + initConfStr);
  }
  // set origin conf
  nodeOptions.setInitialConf(initConf);

  // start
  final DmetaServer counterServer = new DmetaServer(dataPath, groupId, serverId, nodeOptions);
  System.out.println("Started DMeta server at port:"
      + counterServer.getNode().getNodeId().getPeerId().getPort());
}
 

public KitRaft(GroupConfig groupConfig, NodeConfig nodeConfig, DB db) throws IOException {

        NodeOptions nodeOptions = new NodeOptions();

        RaftOptions raftOptions = new RaftOptions();
        raftOptions.setDisruptorBufferSize(16 * 16384);
        raftOptions.setApplyBatch(128);
        raftOptions.setSync(false);
        nodeOptions.setRaftOptions(raftOptions);

        nodeOptions.setElectionTimeoutMs(groupConfig.getElectionTimeoutMs());
        nodeOptions.setDisableCli(true);
        nodeOptions.setSnapshotIntervalSecs(groupConfig.getSnapshotIntervalSecs());

        PeerId serverId = new PeerId();
        if (!serverId.parse(nodeConfig.getNode())) {
            throw new IllegalArgumentException("Fail to parse serverId:" + nodeConfig.getNode());
        }

        Configuration initConf = new Configuration();
        if (!initConf.parse(groupConfig.getInitNodes())) {
            throw new IllegalArgumentException("Fail to parse initConf:" + groupConfig.getInitNodes());
        }

        nodeOptions.setInitialConf(initConf);

        String raftDir = nodeConfig.getRaftDir();
        FileUtils.forceMkdir(new File(raftDir));

        RpcServer rpcServer = new RpcServer(serverId.getPort());
        RaftRpcServerFactory.addRaftRequestProcessors(rpcServer);

        this.dbsm = new DBStateMachine();
        dbsm.setDbRequestProcessor(new DBRequestProcessor(this));
        dbsm.setDB(db);
        nodeOptions.setFsm(this.dbsm);

        nodeOptions.setLogUri(raftDir + File.separator + "log");
        nodeOptions.setRaftMetaUri(raftDir + File.separator + "raft_meta");
        nodeOptions.setSnapshotUri(raftDir + File.separator + "snapshot");

        this.raftGroupService = new RaftGroupService(groupConfig.getGroup(), serverId, nodeOptions, rpcServer);
        // 启动
        this.node = this.raftGroupService.start();
    }