Examples with Configuration com.alipay.sofa.jraft.conf.Configuration used on opensource projects

Example 66 with Configuration

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

the class CounterServer method main.

public static void main(final String[] args) throws IOException {
    if (args.length != 4) {
        System.out.println("Usage : 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();
    // for test, modify some params
    // set election timeout to 1s
    nodeOptions.setElectionTimeoutMs(1000);
    // disable CLI service。
    nodeOptions.setDisableCli(false);
    // do snapshot every 30s
    nodeOptions.setSnapshotIntervalSecs(30);
    // parse server address
    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 cluster configuration
    nodeOptions.setInitialConf(initConf);
    // start raft server
    final CounterServer counterServer = new CounterServer(dataPath, groupId, serverId, nodeOptions);
    System.out.println("Started counter server at port:" + counterServer.getNode().getNodeId().getPeerId().getPort());
    // GrpcServer need block to prevent process exit
    CounterGrpcHelper.blockUntilShutdown();
}

Example 67 with Configuration

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

the class AbstractPlacementDriverClient method initRouteTableByRegion.

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);
}

Example 68 with Configuration

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

the class AbstractPlacementDriverClient method getLuckyPeer.

@Override
public Endpoint getLuckyPeer(final long regionId, final boolean forceRefresh, final long timeoutMillis, final Endpoint unExpect) {
    final String raftGroupId = JRaftHelper.getJRaftGroupId(this.clusterName, regionId);
    final RouteTable routeTable = RouteTable.getInstance();
    if (forceRefresh) {
        final long deadline = System.currentTimeMillis() + timeoutMillis;
        final StringBuilder error = new StringBuilder();
        // or in the 'leader-transfer' state, it needs to be re-tried
        for (; ; ) {
            try {
                final Status st = routeTable.refreshConfiguration(this.cliClientService, raftGroupId, 5000);
                if (st.isOk()) {
                    break;
                }
                error.append(st.toString());
            } catch (final InterruptedException e) {
                ThrowUtil.throwException(e);
            } catch (final TimeoutException e) {
                error.append(e.getMessage());
            }
            if (System.currentTimeMillis() < deadline) {
                LOG.debug("Fail to get peers, retry again, {}.", error);
                error.append(", ");
                try {
                    Thread.sleep(5);
                } catch (final InterruptedException e) {
                    ThrowUtil.throwException(e);
                }
            } else {
                throw new RouteTableException(error.toString());
            }
        }
    }
    final Configuration configs = routeTable.getConfiguration(raftGroupId);
    if (configs == null) {
        throw new RouteTableException("empty configs in group: " + raftGroupId);
    }
    final List<PeerId> peerList = configs.getPeers();
    if (peerList == null || peerList.isEmpty()) {
        throw new RouteTableException("empty peers in group: " + raftGroupId);
    }
    final int size = peerList.size();
    if (size == 1) {
        return peerList.get(0).getEndpoint();
    }
    final RoundRobinLoadBalancer balancer = RoundRobinLoadBalancer.getInstance(regionId);
    for (int i = 0; i < size; i++) {
        final PeerId candidate = balancer.select(peerList);
        final Endpoint luckyOne = candidate.getEndpoint();
        if (!luckyOne.equals(unExpect)) {
            return luckyOne;
        }
    }
    throw new RouteTableException("have no choice in group(peers): " + raftGroupId);
}

Example 69 with Configuration

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

the class RouteTableTest method testRefreshLeaderWhenFirstPeerDown.

@Test
public void testRefreshLeaderWhenFirstPeerDown() throws Exception {
    final RouteTable rt = RouteTable.getInstance();
    rt.updateConfiguration(groupId, new Configuration(cluster.getPeers()));
    assertTrue(rt.refreshLeader(cliClientService, groupId, 10000).isOk());
    cluster.stop(cluster.getPeers().get(0).getEndpoint());
    Thread.sleep(1000);
    this.cluster.waitLeader();
    assertTrue(rt.refreshLeader(cliClientService, groupId, 10000).isOk());
}

Example 70 with Configuration

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

the class RouteTableTest method testUpdateConfSelectLeader.

@Test
public void testUpdateConfSelectLeader() throws Exception {
    final RouteTable rt = RouteTable.getInstance();
    assertNull(rt.getConfiguration(groupId));
    rt.updateConfiguration(groupId, new Configuration(cluster.getPeers()));
    assertEquals(rt.getConfiguration(groupId), new Configuration(cluster.getPeers()));
    assertNull(rt.selectLeader(groupId));
    assertTrue(rt.refreshLeader(cliClientService, groupId, 10000).isOk());
    final PeerId leader = rt.selectLeader(groupId);
    assertEquals(leader, cluster.getLeader().getNodeId().getPeerId());
}