| /* |
| * 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.commons.client.async; |
| |
| import org.apache.iotdb.common.rpc.thrift.TEndPoint; |
| import org.apache.iotdb.commons.client.ClientManager; |
| import org.apache.iotdb.commons.client.ThriftClient; |
| import org.apache.iotdb.commons.client.factory.AsyncThriftClientFactory; |
| import org.apache.iotdb.commons.client.property.ThriftClientProperty; |
| import org.apache.iotdb.commons.utils.TestOnly; |
| import org.apache.iotdb.mpp.rpc.thrift.IDataNodeRPCService; |
| import org.apache.iotdb.rpc.TNonblockingSocketWrapper; |
| |
| import org.apache.commons.lang3.exception.ExceptionUtils; |
| import org.apache.commons.pool2.PooledObject; |
| import org.apache.commons.pool2.impl.DefaultPooledObject; |
| import org.apache.thrift.async.TAsyncClientManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| public class AsyncDataNodeInternalServiceClient extends IDataNodeRPCService.AsyncClient |
| implements ThriftClient { |
| |
| private static final Logger logger = |
| LoggerFactory.getLogger(AsyncDataNodeInternalServiceClient.class); |
| |
| private final boolean printLogWhenEncounterException; |
| |
| private final TEndPoint endpoint; |
| private final ClientManager<TEndPoint, AsyncDataNodeInternalServiceClient> clientManager; |
| |
| public AsyncDataNodeInternalServiceClient( |
| ThriftClientProperty property, |
| TEndPoint endpoint, |
| TAsyncClientManager tClientManager, |
| ClientManager<TEndPoint, AsyncDataNodeInternalServiceClient> clientManager) |
| throws IOException { |
| super( |
| property.getProtocolFactory(), |
| tClientManager, |
| TNonblockingSocketWrapper.wrap( |
| endpoint.getIp(), endpoint.getPort(), property.getConnectionTimeoutMs())); |
| setTimeout(property.getConnectionTimeoutMs()); |
| this.printLogWhenEncounterException = property.isPrintLogWhenEncounterException(); |
| this.endpoint = endpoint; |
| this.clientManager = clientManager; |
| } |
| |
| @TestOnly |
| public TEndPoint getTEndpoint() { |
| return endpoint; |
| } |
| |
| @TestOnly |
| public ClientManager<TEndPoint, AsyncDataNodeInternalServiceClient> getClientManager() { |
| return clientManager; |
| } |
| |
| @Override |
| public void onComplete() { |
| super.onComplete(); |
| returnSelf(); |
| } |
| |
| @Override |
| public void onError(Exception e) { |
| super.onError(e); |
| ThriftClient.resolveException(e, this); |
| returnSelf(); |
| } |
| |
| @Override |
| public void invalidate() { |
| if (!hasError()) { |
| super.onError(new Exception("This client has been invalidated")); |
| } |
| } |
| |
| @Override |
| public void invalidateAll() { |
| clientManager.clear(endpoint); |
| } |
| |
| @Override |
| public boolean printLogWhenEncounterException() { |
| return printLogWhenEncounterException; |
| } |
| |
| /** |
| * return self, the method doesn't need to be called by the user and will be triggered after the |
| * RPC is finished. |
| */ |
| private void returnSelf() { |
| clientManager.returnClient(endpoint, this); |
| } |
| |
| private void close() { |
| ___transport.close(); |
| ___currentMethod = null; |
| } |
| |
| public boolean isReady() { |
| try { |
| checkReady(); |
| return true; |
| } catch (Exception e) { |
| if (printLogWhenEncounterException) { |
| logger.error( |
| "Unexpected exception occurs in {}, error msg is {}", |
| this, |
| ExceptionUtils.getRootCause(e).toString()); |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("AsyncDataNodeInternalServiceClient{%s}", endpoint); |
| } |
| |
| public static class Factory |
| extends AsyncThriftClientFactory<TEndPoint, AsyncDataNodeInternalServiceClient> { |
| |
| public Factory( |
| ClientManager<TEndPoint, AsyncDataNodeInternalServiceClient> clientManager, |
| ThriftClientProperty thriftClientProperty, |
| String threadName) { |
| super(clientManager, thriftClientProperty, threadName); |
| } |
| |
| @Override |
| public void destroyObject( |
| TEndPoint endPoint, PooledObject<AsyncDataNodeInternalServiceClient> pooledObject) { |
| pooledObject.getObject().close(); |
| } |
| |
| @Override |
| public PooledObject<AsyncDataNodeInternalServiceClient> makeObject(TEndPoint endPoint) |
| throws Exception { |
| return new DefaultPooledObject<>( |
| new AsyncDataNodeInternalServiceClient( |
| thriftClientProperty, |
| endPoint, |
| tManagers[clientCnt.incrementAndGet() % tManagers.length], |
| clientManager)); |
| } |
| |
| @Override |
| public boolean validateObject( |
| TEndPoint endPoint, PooledObject<AsyncDataNodeInternalServiceClient> pooledObject) { |
| return pooledObject.getObject().isReady(); |
| } |
| } |
| } |