SSE（Server Sent Event）实战（3）- Spring Web Flux 实现

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已于 2024-07-18 10:12:15 修改 · 1.4k 阅读

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#sse #消息推送

于 2024-07-17 18:09:21 首次发布

上篇博客 SSE（Server Sent Event）实战（2）- Spring MVC 实现，我们用 Spring MVC 实现了简单的消息推送，并且留下了两个问题，这篇博客，我们用 Spring Web Flux 实现，并且看看这两个问题怎么解决。

一、服务端实现

/*
 * XingPan.com
 * Copyright (C) 2021-2024 All Rights Reserved.
 */
package com.sse.demo2.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.http.MediaType;
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Flux;
import reactor.core.publisher.FluxSink;
import reactor.core.publisher.Mono;
import reactor.netty.http.client.HttpClient;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.time.Duration;
import java.util.Enumeration;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author liuyuan
 * @version SseController.java, v 0.1 2024-07-15 14:24
 */
@Slf4j
@RestController
@RequestMapping("/sse")
public class SseController {
   
   

    private static final HttpClient HTTP_CLIENT = HttpClient.create().responseTimeout(Duration.ofSeconds(5));

    private final Map<String, FluxSink<