| /* |
| * 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.confignode.persistence.sync; |
| |
| import org.apache.iotdb.common.rpc.thrift.TSStatus; |
| import org.apache.iotdb.commons.exception.sync.PipeException; |
| import org.apache.iotdb.commons.exception.sync.PipeNotExistException; |
| import org.apache.iotdb.commons.exception.sync.PipeSinkException; |
| import org.apache.iotdb.commons.exception.sync.PipeSinkNotExistException; |
| import org.apache.iotdb.commons.snapshot.SnapshotProcessor; |
| import org.apache.iotdb.commons.sync.metadata.SyncMetadata; |
| import org.apache.iotdb.commons.sync.pipe.PipeInfo; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.CreatePipeSinkPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.DropPipePlan; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.DropPipeSinkPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.GetPipeSinkPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.PreCreatePipePlan; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.RecordPipeMessagePlan; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.SetPipeStatusPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.sync.ShowPipePlan; |
| import org.apache.iotdb.confignode.consensus.response.PipeResp; |
| import org.apache.iotdb.confignode.consensus.response.PipeSinkResp; |
| import org.apache.iotdb.db.utils.sync.SyncPipeUtil; |
| import org.apache.iotdb.rpc.RpcUtils; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.thrift.TException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.locks.ReentrantLock; |
| |
| public class ClusterSyncInfo implements SnapshotProcessor { |
| |
| protected static final Logger LOGGER = LoggerFactory.getLogger(ClusterSyncInfo.class); |
| |
| private final SyncMetadata syncMetadata; |
| |
| private final ReentrantLock syncMetadataLock = new ReentrantLock(); |
| |
| public ClusterSyncInfo() { |
| syncMetadata = new SyncMetadata(); |
| } |
| // ====================================================== |
| // region Implement of PipeSink |
| // ====================================================== |
| |
| /** |
| * Check PipeSink before create operation |
| * |
| * @param createPipeSinkPlan createPipeSinkPlan |
| * @throws PipeSinkException if there is PipeSink with the same name exists or attributes is |
| * unsupported |
| */ |
| public void checkAddPipeSink(CreatePipeSinkPlan createPipeSinkPlan) throws PipeSinkException { |
| // check no exist |
| syncMetadata.checkPipeSinkNoExist(createPipeSinkPlan.getPipeSinkInfo().getPipeSinkName()); |
| // check attributes |
| SyncPipeUtil.parseTPipeSinkInfoAsPipeSink(createPipeSinkPlan.getPipeSinkInfo()); |
| } |
| |
| public TSStatus addPipeSink(CreatePipeSinkPlan plan) { |
| TSStatus status = new TSStatus(); |
| try { |
| syncMetadata.addPipeSink(SyncPipeUtil.parseTPipeSinkInfoAsPipeSink(plan.getPipeSinkInfo())); |
| status.setCode(TSStatusCode.SUCCESS_STATUS.getStatusCode()); |
| } catch (PipeSinkException e) { |
| LOGGER.error("failed to execute CreatePipeSinkPlan {} on ClusterSyncInfo", plan, e); |
| status.setCode(TSStatusCode.CREATE_PIPE_SINK_ERROR.getStatusCode()); |
| LOGGER.error(e.getMessage()); |
| } |
| return status; |
| } |
| |
| /** |
| * Check PipeSink before drop operation |
| * |
| * @param pipeSinkName name |
| * @throws PipeSinkException if PipeSink is being used or does not exist |
| */ |
| public void checkDropPipeSink(String pipeSinkName) throws PipeSinkException { |
| syncMetadata.checkDropPipeSink(pipeSinkName); |
| } |
| |
| public TSStatus dropPipeSink(DropPipeSinkPlan plan) { |
| syncMetadata.dropPipeSink(plan.getPipeSinkName()); |
| return RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS); |
| } |
| |
| public PipeSinkResp getPipeSink(GetPipeSinkPlan plan) { |
| PipeSinkResp resp = new PipeSinkResp(); |
| if (StringUtils.isEmpty(plan.getPipeSinkName())) { |
| resp.setPipeSinkList(syncMetadata.getAllPipeSink()); |
| } else { |
| resp.setPipeSinkList( |
| Collections.singletonList(syncMetadata.getPipeSink(plan.getPipeSinkName()))); |
| } |
| resp.setStatus(RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS)); |
| return resp; |
| } |
| |
| // endregion |
| |
| // ====================================================== |
| // region Implement of Pipe |
| // ====================================================== |
| |
| /** |
| * Check Pipe before create operation |
| * |
| * @param pipeInfo pipe info |
| * @throws PipeException if there is Pipe with the same name exists or PipeSink does not exist |
| */ |
| public void checkAddPipe(PipeInfo pipeInfo) throws PipeException, PipeSinkNotExistException { |
| syncMetadata.checkAddPipe(pipeInfo); |
| } |
| |
| public TSStatus preCreatePipe(PreCreatePipePlan physicalPlan) { |
| syncMetadata.addPipe(physicalPlan.getPipeInfo()); |
| return RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS); |
| } |
| |
| public TSStatus setPipeStatus(SetPipeStatusPlan physicalPlan) { |
| syncMetadata.setPipeStatus(physicalPlan.getPipeName(), physicalPlan.getPipeStatus()); |
| return RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS); |
| } |
| |
| public TSStatus dropPipe(DropPipePlan physicalPlan) { |
| syncMetadata.dropPipe(physicalPlan.getPipeName()); |
| return RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS); |
| } |
| |
| public TSStatus recordPipeMessage(RecordPipeMessagePlan physicalPlan) { |
| syncMetadata.changePipeMessage( |
| physicalPlan.getPipeName(), physicalPlan.getPipeMessage().getType()); |
| return RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS); |
| } |
| |
| public PipeResp showPipe(ShowPipePlan plan) { |
| PipeResp resp = new PipeResp(); |
| if (StringUtils.isEmpty(plan.getPipeName())) { |
| // show all |
| resp.setPipeInfoList(syncMetadata.getAllPipeInfos()); |
| } else { |
| // show specific pipe |
| resp.setPipeInfoList(Collections.singletonList(syncMetadata.getPipeInfo(plan.getPipeName()))); |
| } |
| resp.setStatus(RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS)); |
| return resp; |
| } |
| |
| /** |
| * Get PipeInfo by pipeName. Check before start, stop and drop operation |
| * |
| * @param pipeName pipe name |
| * @throws PipeNotExistException if there is Pipe does not exist |
| */ |
| public PipeInfo getPipeInfo(String pipeName) throws PipeNotExistException { |
| PipeInfo pipeInfo = syncMetadata.getPipeInfo(pipeName); |
| if (pipeInfo == null) { |
| throw new PipeNotExistException(pipeName); |
| } |
| return pipeInfo; |
| } |
| |
| public List<PipeInfo> getAllPipeInfos() { |
| return syncMetadata.getAllPipeInfos(); |
| } |
| |
| // endregion |
| |
| // ====================================================== |
| // region Implement of Lock and Unlock |
| // ====================================================== |
| |
| public void lockSyncMetadata() { |
| LOGGER.info("Lock SyncMetadata"); |
| syncMetadataLock.lock(); |
| LOGGER.info("Acquire SyncMetadata lock"); |
| } |
| |
| public void unlockSyncMetadata() { |
| LOGGER.info("Unlock SyncMetadata"); |
| syncMetadataLock.unlock(); |
| } |
| |
| // endregion |
| |
| // ====================================================== |
| // region Implement of Snapshot |
| // ====================================================== |
| |
| @Override |
| public boolean processTakeSnapshot(File snapshotDir) throws TException, IOException { |
| return syncMetadata.processTakeSnapshot(snapshotDir); |
| } |
| |
| @Override |
| public void processLoadSnapshot(File snapshotDir) throws TException, IOException { |
| syncMetadata.processLoadSnapshot(snapshotDir); |
| } |
| |
| // endregion |
| } |