| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.iotdb.consensus.multileader.service; |
| |
| import org.apache.iotdb.common.rpc.thrift.TSStatus; |
| import org.apache.iotdb.commons.consensus.ConsensusGroupId; |
| import org.apache.iotdb.consensus.common.Peer; |
| import org.apache.iotdb.consensus.common.request.BatchIndexedConsensusRequest; |
| import org.apache.iotdb.consensus.common.request.ByteBufferConsensusRequest; |
| import org.apache.iotdb.consensus.common.request.IConsensusRequest; |
| import org.apache.iotdb.consensus.common.request.MultiLeaderConsensusRequest; |
| import org.apache.iotdb.consensus.exception.ConsensusGroupAddPeerException; |
| import org.apache.iotdb.consensus.multileader.MultiLeaderConsensus; |
| import org.apache.iotdb.consensus.multileader.MultiLeaderServerImpl; |
| import org.apache.iotdb.consensus.multileader.thrift.MultiLeaderConsensusIService; |
| import org.apache.iotdb.consensus.multileader.thrift.TActivatePeerReq; |
| import org.apache.iotdb.consensus.multileader.thrift.TActivatePeerRes; |
| import org.apache.iotdb.consensus.multileader.thrift.TBuildSyncLogChannelReq; |
| import org.apache.iotdb.consensus.multileader.thrift.TBuildSyncLogChannelRes; |
| import org.apache.iotdb.consensus.multileader.thrift.TInactivatePeerReq; |
| import org.apache.iotdb.consensus.multileader.thrift.TInactivatePeerRes; |
| import org.apache.iotdb.consensus.multileader.thrift.TLogBatch; |
| import org.apache.iotdb.consensus.multileader.thrift.TRemoveSyncLogChannelReq; |
| import org.apache.iotdb.consensus.multileader.thrift.TRemoveSyncLogChannelRes; |
| import org.apache.iotdb.consensus.multileader.thrift.TSendSnapshotFragmentReq; |
| import org.apache.iotdb.consensus.multileader.thrift.TSendSnapshotFragmentRes; |
| import org.apache.iotdb.consensus.multileader.thrift.TSyncLogReq; |
| import org.apache.iotdb.consensus.multileader.thrift.TSyncLogRes; |
| import org.apache.iotdb.consensus.multileader.thrift.TTriggerSnapshotLoadReq; |
| import org.apache.iotdb.consensus.multileader.thrift.TTriggerSnapshotLoadRes; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| |
| import org.apache.thrift.TException; |
| import org.apache.thrift.async.AsyncMethodCallback; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class MultiLeaderRPCServiceProcessor implements MultiLeaderConsensusIService.AsyncIface { |
| |
| private final Logger logger = LoggerFactory.getLogger(MultiLeaderRPCServiceProcessor.class); |
| |
| private final MultiLeaderConsensus consensus; |
| |
| public MultiLeaderRPCServiceProcessor(MultiLeaderConsensus consensus) { |
| this.consensus = consensus; |
| } |
| |
| @Override |
| public void syncLog(TSyncLogReq req, AsyncMethodCallback<TSyncLogRes> resultHandler) { |
| try { |
| ConsensusGroupId groupId = |
| ConsensusGroupId.Factory.createFromTConsensusGroupId(req.getConsensusGroupId()); |
| MultiLeaderServerImpl impl = consensus.getImpl(groupId); |
| if (impl == null) { |
| String message = |
| String.format( |
| "unexpected consensusGroupId %s for TSyncLogReq which size is %s", |
| groupId, req.getBatches().size()); |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TSyncLogRes(Collections.singletonList(status))); |
| return; |
| } |
| if (impl.isReadOnly()) { |
| String message = "fail to sync log because system is read-only."; |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.READ_ONLY_SYSTEM_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TSyncLogRes(Collections.singletonList(status))); |
| return; |
| } |
| if (!impl.isActive()) { |
| TSStatus status = new TSStatus(TSStatusCode.WRITE_PROCESS_REJECT.getStatusCode()); |
| status.setMessage("peer is inactive and not ready to receive sync log request"); |
| resultHandler.onComplete(new TSyncLogRes(Collections.singletonList(status))); |
| return; |
| } |
| BatchIndexedConsensusRequest requestsInThisBatch = |
| new BatchIndexedConsensusRequest(req.peerId); |
| // We use synchronized to ensure atomicity of executing multiple logs |
| if (!req.getBatches().isEmpty()) { |
| List<IConsensusRequest> consensusRequests = new ArrayList<>(); |
| long currentSearchIndex = req.getBatches().get(0).getSearchIndex(); |
| for (TLogBatch batch : req.getBatches()) { |
| IConsensusRequest request = |
| batch.isFromWAL() |
| ? new MultiLeaderConsensusRequest(batch.data) |
| : new ByteBufferConsensusRequest(batch.data); |
| // merge TLogBatch with same search index into one request |
| if (batch.getSearchIndex() != currentSearchIndex) { |
| requestsInThisBatch.add( |
| impl.buildIndexedConsensusRequestForRemoteRequest( |
| currentSearchIndex, consensusRequests)); |
| consensusRequests = new ArrayList<>(); |
| currentSearchIndex = batch.getSearchIndex(); |
| } |
| consensusRequests.add(request); |
| } |
| // write last request |
| if (!consensusRequests.isEmpty()) { |
| requestsInThisBatch.add( |
| impl.buildIndexedConsensusRequestForRemoteRequest( |
| currentSearchIndex, consensusRequests)); |
| } |
| } |
| TSStatus writeStatus = impl.getStateMachine().write(requestsInThisBatch); |
| logger.debug( |
| "execute TSyncLogReq for {} with result {}", req.consensusGroupId, writeStatus.subStatus); |
| resultHandler.onComplete(new TSyncLogRes(writeStatus.subStatus)); |
| } catch (Exception e) { |
| resultHandler.onError(e); |
| } |
| } |
| |
| @Override |
| public void inactivatePeer( |
| TInactivatePeerReq req, AsyncMethodCallback<TInactivatePeerRes> resultHandler) |
| throws TException { |
| ConsensusGroupId groupId = |
| ConsensusGroupId.Factory.createFromTConsensusGroupId(req.getConsensusGroupId()); |
| MultiLeaderServerImpl impl = consensus.getImpl(groupId); |
| if (impl == null) { |
| String message = |
| String.format("unexpected consensusGroupId %s for inactivatePeer request", groupId); |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TInactivatePeerRes(status)); |
| return; |
| } |
| impl.setActive(false); |
| resultHandler.onComplete( |
| new TInactivatePeerRes(new TSStatus(TSStatusCode.SUCCESS_STATUS.getStatusCode()))); |
| } |
| |
| @Override |
| public void activatePeer( |
| TActivatePeerReq req, AsyncMethodCallback<TActivatePeerRes> resultHandler) throws TException { |
| ConsensusGroupId groupId = |
| ConsensusGroupId.Factory.createFromTConsensusGroupId(req.getConsensusGroupId()); |
| MultiLeaderServerImpl impl = consensus.getImpl(groupId); |
| if (impl == null) { |
| String message = |
| String.format("unexpected consensusGroupId %s for inactivatePeer request", groupId); |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TActivatePeerRes(status)); |
| return; |
| } |
| impl.setActive(true); |
| resultHandler.onComplete( |
| new TActivatePeerRes(new TSStatus(TSStatusCode.SUCCESS_STATUS.getStatusCode()))); |
| } |
| |
| @Override |
| public void buildSyncLogChannel( |
| TBuildSyncLogChannelReq req, AsyncMethodCallback<TBuildSyncLogChannelRes> resultHandler) |
| throws TException { |
| ConsensusGroupId groupId = |
| ConsensusGroupId.Factory.createFromTConsensusGroupId(req.getConsensusGroupId()); |
| MultiLeaderServerImpl impl = consensus.getImpl(groupId); |
| if (impl == null) { |
| String message = |
| String.format("unexpected consensusGroupId %s for buildSyncLogChannel request", groupId); |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TBuildSyncLogChannelRes(status)); |
| return; |
| } |
| TSStatus responseStatus; |
| try { |
| impl.buildSyncLogChannel(new Peer(groupId, req.endPoint)); |
| responseStatus = new TSStatus(TSStatusCode.SUCCESS_STATUS.getStatusCode()); |
| } catch (ConsensusGroupAddPeerException e) { |
| responseStatus = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| responseStatus.setMessage(e.getMessage()); |
| } |
| resultHandler.onComplete(new TBuildSyncLogChannelRes(responseStatus)); |
| } |
| |
| @Override |
| public void removeSyncLogChannel( |
| TRemoveSyncLogChannelReq req, AsyncMethodCallback<TRemoveSyncLogChannelRes> resultHandler) |
| throws TException { |
| ConsensusGroupId groupId = |
| ConsensusGroupId.Factory.createFromTConsensusGroupId(req.getConsensusGroupId()); |
| MultiLeaderServerImpl impl = consensus.getImpl(groupId); |
| if (impl == null) { |
| String message = |
| String.format("unexpected consensusGroupId %s for buildSyncLogChannel request", groupId); |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TRemoveSyncLogChannelRes(status)); |
| return; |
| } |
| TSStatus responseStatus; |
| try { |
| impl.removeSyncLogChannel(new Peer(groupId, req.endPoint)); |
| responseStatus = new TSStatus(TSStatusCode.SUCCESS_STATUS.getStatusCode()); |
| } catch (ConsensusGroupAddPeerException e) { |
| responseStatus = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| responseStatus.setMessage(e.getMessage()); |
| } |
| resultHandler.onComplete(new TRemoveSyncLogChannelRes(responseStatus)); |
| } |
| |
| @Override |
| public void sendSnapshotFragment( |
| TSendSnapshotFragmentReq req, AsyncMethodCallback<TSendSnapshotFragmentRes> resultHandler) |
| throws TException { |
| ConsensusGroupId groupId = |
| ConsensusGroupId.Factory.createFromTConsensusGroupId(req.getConsensusGroupId()); |
| MultiLeaderServerImpl impl = consensus.getImpl(groupId); |
| if (impl == null) { |
| String message = |
| String.format("unexpected consensusGroupId %s for buildSyncLogChannel request", groupId); |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TSendSnapshotFragmentRes(status)); |
| return; |
| } |
| TSStatus responseStatus; |
| try { |
| impl.receiveSnapshotFragment(req.snapshotId, req.filePath, req.fileChunk); |
| responseStatus = new TSStatus(TSStatusCode.SUCCESS_STATUS.getStatusCode()); |
| } catch (ConsensusGroupAddPeerException e) { |
| responseStatus = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| responseStatus.setMessage(e.getMessage()); |
| } |
| resultHandler.onComplete(new TSendSnapshotFragmentRes(responseStatus)); |
| } |
| |
| @Override |
| public void triggerSnapshotLoad( |
| TTriggerSnapshotLoadReq req, AsyncMethodCallback<TTriggerSnapshotLoadRes> resultHandler) |
| throws TException { |
| ConsensusGroupId groupId = |
| ConsensusGroupId.Factory.createFromTConsensusGroupId(req.getConsensusGroupId()); |
| MultiLeaderServerImpl impl = consensus.getImpl(groupId); |
| if (impl == null) { |
| String message = |
| String.format("unexpected consensusGroupId %s for buildSyncLogChannel request", groupId); |
| logger.error(message); |
| TSStatus status = new TSStatus(TSStatusCode.INTERNAL_SERVER_ERROR.getStatusCode()); |
| status.setMessage(message); |
| resultHandler.onComplete(new TTriggerSnapshotLoadRes(status)); |
| return; |
| } |
| impl.loadSnapshot(req.snapshotId); |
| resultHandler.onComplete( |
| new TTriggerSnapshotLoadRes(new TSStatus(TSStatusCode.SUCCESS_STATUS.getStatusCode()))); |
| } |
| |
| public void handleClientExit() {} |
| } |
