Examples with RaftGroupService com.alipay.sofa.jraft.RaftGroupService used on opensource projects

Example 6 with RaftGroupService

use of com.alipay.sofa.jraft.RaftGroupService in project sofa-jraft by sofastack.

the class PriorityElectionNode method init.

@Override
public boolean init(final PriorityElectionNodeOptions opts) {
    if (this.started) {
        LOG.info("[PriorityElectionNode: {}] already started.", opts.getServerAddress());
        return true;
    }
    // node options
    NodeOptions nodeOpts = opts.getNodeOptions();
    if (nodeOpts == null) {
        nodeOpts = new NodeOptions();
    }
    this.fsm = new PriorityElectionOnlyStateMachine(this.listeners);
    // Set the initial PriorityElectionOnlyStateMachine
    nodeOpts.setFsm(this.fsm);
    final Configuration initialConf = new Configuration();
    if (!initialConf.parse(opts.getInitialServerAddressList())) {
        throw new IllegalArgumentException("Fail to parse initConf: " + opts.getInitialServerAddressList());
    }
    // Set the initial cluster configuration
    nodeOpts.setInitialConf(initialConf);
    final String dataPath = opts.getDataPath();
    try {
        FileUtils.forceMkdir(new File(dataPath));
    } catch (final IOException e) {
        LOG.error("Fail to make dir for dataPath {}.", dataPath);
        return false;
    }
    // Set the data path
    // Log, required
    nodeOpts.setLogUri(Paths.get(dataPath, "log").toString());
    // Metadata, required
    nodeOpts.setRaftMetaUri(Paths.get(dataPath, "meta").toString());
    // nodeOpts.setSnapshotUri(Paths.get(dataPath, "snapshot").toString());
    final String groupId = opts.getGroupId();
    final PeerId serverId = new PeerId();
    if (!serverId.parse(opts.getServerAddress())) {
        throw new IllegalArgumentException("Fail to parse serverId: " + opts.getServerAddress());
    }
    /**
     * Set priority value, required for priority-based election, it must be a positive value when
     * enable the feature, some special value meaning:
     * <ul>
     * <li>-1 : disable priority-based election.</li>
     * <li>0: will never participate in election.</li>
     * <li>1: minimum value</li>
     * </ul>
     * value.
     */
    nodeOpts.setElectionPriority(serverId.getPriority());
    final RpcServer rpcServer = RaftRpcServerFactory.createRaftRpcServer(serverId.getEndpoint());
    this.raftGroupService = new RaftGroupService(groupId, serverId, nodeOpts, rpcServer);
    this.node = this.raftGroupService.start();
    if (this.node != null) {
        this.started = true;
    }
    return this.started;
}

Example 7 with RaftGroupService

use of com.alipay.sofa.jraft.RaftGroupService in project RICE by gaojiayi.

the class ElectionNode method init.

@Override
public boolean init(final ElectionNodeOptions opts) {
    if (this.started) {
        LOG.info("[ElectionNode: {}] already started.", opts.getServerAddress());
        return true;
    }
    // node options
    NodeOptions nodeOpts = opts.getNodeOptions();
    if (nodeOpts == null) {
        nodeOpts = new NodeOptions();
    }
    this.fsm = new ElectionOnlyStateMachine(this.listeners);
    nodeOpts.setFsm(this.fsm);
    final Configuration initialConf = new Configuration();
    if (!initialConf.parse(opts.getInitialServerAddressList())) {
        throw new IllegalArgumentException("Fail to parse initConf: " + opts.getInitialServerAddressList());
    }
    // Set the initial cluster configuration
    nodeOpts.setInitialConf(initialConf);
    final String dataPath = opts.getDataPath();
    try {
        FileUtils.forceMkdir(new File(dataPath));
    } catch (final IOException e) {
        LOG.error("Fail to make dir for dataPath {}.", dataPath);
        return false;
    }
    // Set the data path
    // Log, required
    nodeOpts.setLogUri(Paths.get(dataPath, "log").toString());
    // Metadata, required
    nodeOpts.setRaftMetaUri(Paths.get(dataPath, "meta").toString());
    // nodeOpts.setSnapshotUri(Paths.get(dataPath, "snapshot").toString());
    final String groupId = opts.getGroupId();
    final PeerId serverId = new PeerId();
    if (!serverId.parse(opts.getServerAddress())) {
        throw new IllegalArgumentException("Fail to parse serverId: " + opts.getServerAddress());
    }
    final RpcServer rpcServer = RaftRpcServerFactory.createRaftRpcServer(serverId.getEndpoint());
    this.raftGroupService = new RaftGroupService(groupId, serverId, nodeOpts, rpcServer);
    this.node = this.raftGroupService.start();
    if (this.node != null) {
        this.started = true;
    }
    return this.started;
}

Example 8 with RaftGroupService

use of com.alipay.sofa.jraft.RaftGroupService in project nacos by alibaba.

the class JRaftServer method createMultiRaftGroup.

synchronized void createMultiRaftGroup(Collection<RequestProcessor4CP> processors) {
    // There is no reason why the LogProcessor cannot be processed because of the synchronization
    if (!this.isStarted) {
        this.processors.addAll(processors);
        return;
    }
    final String parentPath = Paths.get(EnvUtil.getNacosHome(), "data/protocol/raft").toString();
    for (RequestProcessor4CP processor : processors) {
        final String groupName = processor.group();
        if (multiRaftGroup.containsKey(groupName)) {
            throw new DuplicateRaftGroupException(groupName);
        }
        // Ensure that each Raft Group has its own configuration and NodeOptions
        Configuration configuration = conf.copy();
        NodeOptions copy = nodeOptions.copy();
        JRaftUtils.initDirectory(parentPath, groupName, copy);
        // Here, the LogProcessor is passed into StateMachine, and when the StateMachine
        // triggers onApply, the onApply of the LogProcessor is actually called
        NacosStateMachine machine = new NacosStateMachine(this, processor);
        copy.setFsm(machine);
        copy.setInitialConf(configuration);
        // Set snapshot interval, default 1800 seconds
        int doSnapshotInterval = ConvertUtils.toInt(raftConfig.getVal(RaftSysConstants.RAFT_SNAPSHOT_INTERVAL_SECS), RaftSysConstants.DEFAULT_RAFT_SNAPSHOT_INTERVAL_SECS);
        // If the business module does not implement a snapshot processor, cancel the snapshot
        doSnapshotInterval = CollectionUtils.isEmpty(processor.loadSnapshotOperate()) ? 0 : doSnapshotInterval;
        copy.setSnapshotIntervalSecs(doSnapshotInterval);
        Loggers.RAFT.info("create raft group : {}", groupName);
        RaftGroupService raftGroupService = new RaftGroupService(groupName, localPeerId, copy, rpcServer, true);
        // Because BaseRpcServer has been started before, it is not allowed to start again here
        Node node = raftGroupService.start(false);
        machine.setNode(node);
        RouteTable.getInstance().updateConfiguration(groupName, configuration);
        RaftExecutor.executeByCommon(() -> registerSelfToCluster(groupName, localPeerId, configuration));
        // Turn on the leader auto refresh for this group
        Random random = new Random();
        long period = nodeOptions.getElectionTimeoutMs() + random.nextInt(5 * 1000);
        RaftExecutor.scheduleRaftMemberRefreshJob(() -> refreshRouteTable(groupName), nodeOptions.getElectionTimeoutMs(), period, TimeUnit.MILLISECONDS);
        multiRaftGroup.put(groupName, new RaftGroupTuple(node, processor, raftGroupService, machine));
    }
}

Example 9 with RaftGroupService

use of com.alipay.sofa.jraft.RaftGroupService in project sofa-jraft by sofastack.

the class TestCluster method stop.

public boolean stop(final Endpoint listenAddr) throws InterruptedException {
    final Node node = removeNode(listenAddr);
    final CountDownLatch latch = new CountDownLatch(1);
    if (node != null) {
        node.shutdown(new ExpectClosure(latch));
        node.join();
        latch.await();
    }
    final RaftGroupService raftGroupService = this.serverMap.remove(listenAddr.toString());
    raftGroupService.shutdown();
    raftGroupService.join();
    return node != null;
}