mirror of
https://github.com/nagisa77/OpenIsle.git
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feat:Websocket服务拆到单独服务，主后台保持单工通信
This commit is contained in:
zpaeng
204
backend/src/main/java/com/openisle/config/RabbitMQConfig.java
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204
backend/src/main/java/com/openisle/config/RabbitMQConfig.java
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package com.openisle.config;
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import lombok.RequiredArgsConstructor;
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import org.springframework.amqp.core.Binding;
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import org.springframework.amqp.core.BindingBuilder;
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import org.springframework.amqp.core.Queue;
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import org.springframework.amqp.core.TopicExchange;
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import org.springframework.amqp.rabbit.connection.ConnectionFactory;
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import org.springframework.amqp.rabbit.core.RabbitTemplate;
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import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.springframework.amqp.rabbit.core.RabbitAdmin;
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import org.springframework.boot.CommandLineRunner;
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import org.springframework.context.annotation.DependsOn;
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import jakarta.annotation.PostConstruct;
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import java.util.ArrayList;
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import java.util.List;
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@Configuration
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@RequiredArgsConstructor
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public class RabbitMQConfig {
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public static final String EXCHANGE_NAME = "openisle-exchange";
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// 保持向后兼容的常量
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public static final String QUEUE_NAME = "notifications-queue";
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public static final String ROUTING_KEY = "notifications.routingkey";
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// 硬编码为16以匹配ShardingStrategy中的十六进制分片逻辑
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private final int queueCount = 16;
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@Value("${rabbitmq.queue.durable}")
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private boolean queueDurable;
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@PostConstruct
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public void init() {
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System.out.println("RabbitMQ配置初始化: 队列数量=" + queueCount + ", 持久化=" + queueDurable);
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}
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@Bean
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public TopicExchange exchange() {
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return new TopicExchange(EXCHANGE_NAME);
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}
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/**
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* 创建所有分片队列, 使用十六进制后缀 (0-f)
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*/
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@Bean
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public List<Queue> shardedQueues() {
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System.out.println("开始创建分片队列 Bean...");
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List<Queue> queues = new ArrayList<>();
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for (int i = 0; i < queueCount; i++) {
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String shardKey = Integer.toHexString(i);
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String queueName = "notifications-queue-" + shardKey;
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Queue queue = new Queue(queueName, queueDurable);
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queues.add(queue);
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}
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System.out.println("分片队列 Bean 创建完成，总数: " + queues.size());
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return queues;
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}
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/**
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* 创建所有分片绑定, 使用十六进制路由键 (notifications.shard.0 - notifications.shard.f)
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*/
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@Bean
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public List<Binding> shardedBindings(TopicExchange exchange, @Qualifier("shardedQueues") List<Queue> shardedQueues) {
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System.out.println("开始创建分片绑定 Bean...");
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List<Binding> bindings = new ArrayList<>();
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if (shardedQueues != null) {
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for (Queue queue : shardedQueues) {
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String queueName = queue.getName();
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String shardKey = queueName.substring("notifications-queue-".length());
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String routingKey = "notifications.shard." + shardKey;
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Binding binding = BindingBuilder.bind(queue).to(exchange).with(routingKey);
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bindings.add(binding);
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}
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}
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System.out.println("分片绑定 Bean 创建完成，总数: " + bindings.size());
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return bindings;
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}
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/**
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* 保持向后兼容的单队列配置（可选）
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*/
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@Bean
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public Queue legacyQueue() {
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return new Queue(QUEUE_NAME, queueDurable);
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}
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/**
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* 保持向后兼容的单队列绑定（可选）
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*/
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@Bean
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public Binding legacyBinding(Queue legacyQueue, TopicExchange exchange) {
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return BindingBuilder.bind(legacyQueue).to(exchange).with(ROUTING_KEY);
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}
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@Bean
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public Jackson2JsonMessageConverter messageConverter() {
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ObjectMapper objectMapper = new ObjectMapper();
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objectMapper.registerModule(new com.fasterxml.jackson.datatype.jsr310.JavaTimeModule());
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objectMapper.disable(com.fasterxml.jackson.databind.SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
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return new Jackson2JsonMessageConverter(objectMapper);
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}
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@Bean
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public RabbitAdmin rabbitAdmin(ConnectionFactory connectionFactory) {
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return new RabbitAdmin(connectionFactory);
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}
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@Bean
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public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
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RabbitTemplate template = new RabbitTemplate(connectionFactory);
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template.setMessageConverter(messageConverter());
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return template;
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}
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/**
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* 使用 CommandLineRunner 确保在应用完全启动后声明队列到 RabbitMQ
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* 这样可以确保 RabbitAdmin 和所有 Bean 都已正确初始化
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*/
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@Bean
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@DependsOn({"rabbitAdmin", "shardedQueues", "exchange"})
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public CommandLineRunner queueDeclarationRunner(RabbitAdmin rabbitAdmin,
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@Qualifier("shardedQueues") List<Queue> shardedQueues,
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TopicExchange exchange,
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Queue legacyQueue,
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@Qualifier("shardedBindings") List<Binding> shardedBindings,
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Binding legacyBinding) {
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return args -> {
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System.out.println("=== 开始主动声明 RabbitMQ 组件 ===");
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try {
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// 声明交换
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rabbitAdmin.declareExchange(exchange);
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// 声明分片队列 - 检查存在性
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System.out.println("开始检查并声明 " + shardedQueues.size() + " 个分片队列...");
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int successCount = 0;
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int skippedCount = 0;
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for (Queue queue : shardedQueues) {
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String queueName = queue.getName();
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try {
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// 使用 declareQueue 的返回值判断队列是否已存在
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// 如果队列已存在且配置匹配，declareQueue 会返回现有队列信息
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// 如果不匹配或不存在，会创建新队列
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rabbitAdmin.declareQueue(queue);
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successCount++;
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} catch (org.springframework.amqp.AmqpIOException e) {
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if (e.getMessage().contains("PRECONDITION_FAILED") && e.getMessage().contains("durable")) {
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skippedCount++;
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}
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} catch (Exception e) {
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System.err.println("队列声明失败: " + queueName + ", 错误: " + e.getMessage());
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}
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}
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System.out.println("分片队列处理完成: 成功 " + successCount + ", 跳过 " + skippedCount + ", 总数 " + shardedQueues.size());
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// 声明分片绑定
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System.out.println("开始声明 " + shardedBindings.size() + " 个分片绑定...");
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int bindingSuccessCount = 0;
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for (Binding binding : shardedBindings) {
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try {
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rabbitAdmin.declareBinding(binding);
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bindingSuccessCount++;
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} catch (Exception e) {
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System.err.println("绑定声明失败: " + e.getMessage());
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}
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}
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System.out.println("分片绑定声明完成: 成功 " + bindingSuccessCount + "/" + shardedBindings.size());
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// 声明遗留队列和绑定 - 检查存在性
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try {
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rabbitAdmin.declareQueue(legacyQueue);
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rabbitAdmin.declareBinding(legacyBinding);
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System.out.println("遗留队列和绑定就绪: " + QUEUE_NAME + " (已存在或新创建)");
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} catch (org.springframework.amqp.AmqpIOException e) {
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if (e.getMessage().contains("PRECONDITION_FAILED") && e.getMessage().contains("durable")) {
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System.out.println("遗留队列已存在但 durable 设置不匹配: " + QUEUE_NAME + ", 保持现有队列");
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} else {
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System.err.println("遗留队列声明失败: " + QUEUE_NAME + ", 错误: " + e.getMessage());
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}
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} catch (Exception e) {
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System.err.println("遗留队列声明失败: " + QUEUE_NAME + ", 错误: " + e.getMessage());
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}
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System.out.println("=== RabbitMQ 组件声明完成 ===");
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System.out.println("请检查 RabbitMQ 管理界面确认队列已正确创建");
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} catch (Exception e) {
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System.err.println("RabbitMQ 组件声明过程中发生严重错误:");
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e.printStackTrace();
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}
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};
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}
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}
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