| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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 com.baidu.hugegraph.computer.core.network; |
| |
| import org.slf4j.Logger; |
| |
| import com.baidu.hugegraph.computer.core.common.ComputerContext; |
| import com.baidu.hugegraph.computer.core.common.exception.ComputerException; |
| import com.baidu.hugegraph.computer.core.common.exception.TransportException; |
| import com.baidu.hugegraph.computer.core.config.Config; |
| import com.baidu.hugegraph.computer.core.manager.Manager; |
| import com.baidu.hugegraph.computer.core.network.connection.ConnectionManager; |
| import com.baidu.hugegraph.computer.core.sender.QueuedMessageSender; |
| import com.baidu.hugegraph.util.E; |
| import com.baidu.hugegraph.util.Log; |
| |
| public class DataClientManager implements Manager { |
| |
| public static final Logger LOG = Log.logger(DataClientManager.class); |
| |
| public static final String NAME = "data_client"; |
| |
| private final ConnectionManager connManager; |
| private final QueuedMessageSender sender; |
| |
| public DataClientManager(ConnectionManager connManager, |
| ComputerContext context) { |
| this.connManager = connManager; |
| this.sender = new QueuedMessageSender(context.config()); |
| } |
| |
| public QueuedMessageSender sender() { |
| return this.sender; |
| } |
| |
| @Override |
| public String name() { |
| return NAME; |
| } |
| |
| @Override |
| public void init(Config config) { |
| ClientHandler clientHandler = new DataClientHandler( |
| this.sender.notBusyNotifier()); |
| this.connManager.initClientManager(config, clientHandler); |
| LOG.info("DataClientManager inited"); |
| } |
| |
| @Override |
| public void inited(Config config) { |
| this.sender.init(); |
| } |
| |
| @Override |
| public void close(Config config) { |
| try { |
| this.sender.close(); |
| } finally { |
| this.connManager.shutdownClients(); |
| } |
| LOG.info("DataClientManager closed"); |
| } |
| |
| public void connect(int workerId, String hostname, int dataPort) { |
| try { |
| TransportClient client = this.connManager.getOrCreateClient( |
| hostname, dataPort); |
| LOG.info("Successfully connect to worker: {}({}:{})", |
| workerId, hostname, dataPort); |
| this.sender.addWorkerClient(workerId, client); |
| } catch (TransportException e) { |
| throw new ComputerException( |
| "Failed to connect to worker: %s(%s:%s)", |
| workerId, hostname, dataPort); |
| } |
| } |
| |
| private class DataClientHandler implements ClientHandler { |
| |
| private final Runnable notBusyNotifier; |
| |
| public DataClientHandler(Runnable notBusyNotifier) { |
| E.checkNotNull(notBusyNotifier, |
| "The not-busy notifier can't be null"); |
| this.notBusyNotifier = notBusyNotifier; |
| } |
| |
| @Override |
| public void sendAvailable(ConnectionId connectionId) { |
| LOG.debug("Channel for connectionId {} is available", connectionId); |
| this.notBusyNotifier.run(); |
| } |
| |
| @Override |
| public void onChannelActive(ConnectionId connectionId) { |
| LOG.debug("Channel for connectionId {} is active", connectionId); |
| } |
| |
| @Override |
| public void onChannelInactive(ConnectionId connectionId) { |
| LOG.debug("Channel for connectionId {} is inactive", connectionId); |
| } |
| |
| @Override |
| public void exceptionCaught(TransportException cause, |
| ConnectionId connectionId) { |
| LOG.error("Channel for connectionId {} occurred exception", |
| connectionId, cause); |
| DataClientManager.this.connManager.closeClient(connectionId); |
| } |
| } |
| } |