io.atomix.protocols.raft.protocol.ReconfigureRequest Java Examples

The following examples show how to use io.atomix.protocols.raft.protocol.ReconfigureRequest. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: PassiveRole.java    From atomix with Apache License 2.0 6 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> onReconfigure(ReconfigureRequest request) {
  raft.checkThread();
  logRequest(request);

  if (raft.getLeader() == null) {
    return CompletableFuture.completedFuture(logResponse(ReconfigureResponse.builder()
        .withStatus(RaftResponse.Status.ERROR)
        .withError(RaftError.Type.NO_LEADER)
        .build()));
  } else {
    return forward(request, raft.getProtocol()::reconfigure)
        .exceptionally(error -> ReconfigureResponse.builder()
            .withStatus(RaftResponse.Status.ERROR)
            .withError(RaftError.Type.NO_LEADER)
            .build())
        .thenApply(this::logResponse);
  }
}
 
Example #2
Source File: InactiveRole.java    From atomix with Apache License 2.0 5 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> onReconfigure(ReconfigureRequest request) {
  logRequest(request);
  return Futures.completedFuture(logResponse(ReconfigureResponse.builder()
      .withStatus(Status.ERROR)
      .withError(RaftError.Type.UNAVAILABLE)
      .build()));
}
 
Example #3
Source File: DefaultRaftMember.java    From atomix with Apache License 2.0 5 votes vote down vote up
/**
 * Recursively reconfigures the cluster.
 */
private void configure(RaftMember.Type type, CompletableFuture<Void> future) {
  // Set a timer to retry the attempt to leave the cluster.
  configureTimeout = cluster.getContext().getThreadContext().schedule(cluster.getContext().getElectionTimeout(), () -> {
    configure(type, future);
  });

  // Attempt to leave the cluster by submitting a LeaveRequest directly to the server state.
  // Non-leader states should forward the request to the leader if there is one. Leader states
  // will log, replicate, and commit the reconfiguration.
  cluster.getContext().getRaftRole().onReconfigure(ReconfigureRequest.builder()
      .withIndex(cluster.getConfiguration().index())
      .withTerm(cluster.getConfiguration().term())
      .withMember(new DefaultRaftMember(id, type, updated))
      .build()).whenComplete((response, error) -> {
        if (error == null) {
          if (response.status() == RaftResponse.Status.OK) {
            cancelConfigureTimer();
            cluster.configure(new Configuration(response.index(), response.term(), response.timestamp(), response.members()));
            future.complete(null);
          } else if (response.error() == null
              || response.error().type() == RaftError.Type.UNAVAILABLE
              || response.error().type() == RaftError.Type.PROTOCOL_ERROR
              || response.error().type() == RaftError.Type.NO_LEADER) {
            cancelConfigureTimer();
            configureTimeout = cluster.getContext().getThreadContext().schedule(cluster.getContext().getElectionTimeout().multipliedBy(2), () -> configure(type, future));
          } else {
            cancelConfigureTimer();
            future.completeExceptionally(response.error().createException());
          }
        } else {
          future.completeExceptionally(error);
        }
      });
}
 
Example #4
Source File: RaftServerCommunicator.java    From atomix with Apache License 2.0 4 votes vote down vote up
@Override
public void registerReconfigureHandler(Function<ReconfigureRequest, CompletableFuture<ReconfigureResponse>> handler) {
  clusterCommunicator.subscribe(context.reconfigureSubject, serializer::decode, handler, serializer::encode);
}
 
Example #5
Source File: LocalRaftServerProtocol.java    From atomix with Apache License 2.0 4 votes vote down vote up
@Override
public void registerReconfigureHandler(Function<ReconfigureRequest, CompletableFuture<ReconfigureResponse>> handler) {
  this.reconfigureHandler = handler;
}
 
Example #6
Source File: LocalRaftServerProtocol.java    From atomix with Apache License 2.0 4 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> reconfigure(MemberId memberId, ReconfigureRequest request) {
  return getServer(memberId).thenCompose(listener -> listener.reconfigure(encode(request))).thenApply(this::decode);
}
 
Example #7
Source File: RaftServerMessagingProtocol.java    From atomix with Apache License 2.0 4 votes vote down vote up
@Override
public void registerReconfigureHandler(Function<ReconfigureRequest, CompletableFuture<ReconfigureResponse>> handler) {
  registerHandler("reconfigure", handler);
}
 
Example #8
Source File: RaftServerMessagingProtocol.java    From atomix with Apache License 2.0 4 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> reconfigure(MemberId memberId, ReconfigureRequest request) {
  return sendAndReceive(memberId, "reconfigure", request);
}
 
Example #9
Source File: RaftServerMessagingProtocol.java    From submarine with Apache License 2.0 4 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> reconfigure(MemberId memberId,
                                                          ReconfigureRequest request) {
  return sendAndReceive(memberId, "reconfigure", request);
}
 
Example #10
Source File: RaftServerCommunicator.java    From atomix with Apache License 2.0 4 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> reconfigure(MemberId memberId, ReconfigureRequest request) {
  return sendAndReceive(context.reconfigureSubject, request, memberId);
}
 
Example #11
Source File: LocalRaftServerProtocol.java    From zeppelin with Apache License 2.0 4 votes vote down vote up
@Override
public void registerReconfigureHandler(Function<ReconfigureRequest,
    CompletableFuture<ReconfigureResponse>> handler) {
  this.reconfigureHandler = handler;
}
 
Example #12
Source File: LocalRaftServerProtocol.java    From zeppelin with Apache License 2.0 4 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> reconfigure(MemberId memberId,
                                                          ReconfigureRequest request) {
  return getServer(memberId).thenCompose(listener ->
      listener.reconfigure(encode(request))).thenApply(this::decode);
}
 
Example #13
Source File: RaftServerMessagingProtocol.java    From zeppelin with Apache License 2.0 4 votes vote down vote up
@Override
public void registerReconfigureHandler(Function<ReconfigureRequest,
    CompletableFuture<ReconfigureResponse>> handler) {
  registerHandler("reconfigure", handler);
}
 
Example #14
Source File: RaftServerMessagingProtocol.java    From zeppelin with Apache License 2.0 4 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> reconfigure(MemberId memberId,
                                                          ReconfigureRequest request) {
  return sendAndReceive(memberId, "reconfigure", request);
}
 
Example #15
Source File: LocalRaftServerProtocol.java    From submarine with Apache License 2.0 4 votes vote down vote up
@Override
public void registerReconfigureHandler(Function<ReconfigureRequest,
    CompletableFuture<ReconfigureResponse>> handler) {
  this.reconfigureHandler = handler;
}
 
Example #16
Source File: LocalRaftServerProtocol.java    From submarine with Apache License 2.0 4 votes vote down vote up
@Override
public CompletableFuture<ReconfigureResponse> reconfigure(MemberId memberId,
                                                          ReconfigureRequest request) {
  return getServer(memberId).thenCompose(listener ->
      listener.reconfigure(encode(request))).thenApply(this::decode);
}
 
Example #17
Source File: RaftServerMessagingProtocol.java    From submarine with Apache License 2.0 4 votes vote down vote up
@Override
public void registerReconfigureHandler(Function<ReconfigureRequest,
    CompletableFuture<ReconfigureResponse>> handler) {
  registerHandler("reconfigure", handler);
}
 
Example #18
Source File: RaftRole.java    From atomix with Apache License 2.0 2 votes vote down vote up
/**
 * Handles a configure request.
 *
 * @param request The request to handle.
 * @return A completable future to be completed with the request response.
 */
CompletableFuture<ReconfigureResponse> onReconfigure(ReconfigureRequest request);