1

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2024-10-21 3a4ca606fad5d286e8b0de99f39ffbea8ef3cc21

 websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java

@@ -1,10 +1,10 @@
package org.example.websocket.server;

import cn.hutool.core.util.NumberUtil;
import cn.hutool.json.JSONUtil;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.google.common.reflect.TypeToken;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
@@ -17,29 +17,23 @@
import org.example.util.RedisUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.websocket.*;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.nio.ByteBuffer;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.stream.Collectors;
import java.util.zip.Deflater;
import java.util.zip.DeflaterOutputStream;

/**
 * @ClassDescription: websocket服务端
@@ -58,7 +52,7 @@
    private static final Map<String, WsBo> threadLocalData = new ConcurrentHashMap<>();

    @Autowired
    @Qualifier("threadPoolTaskExecutor")
    @Qualifier("markthreadPoolTaskExecutor")
    private ThreadPoolTaskExecutor threadPoolTaskExecutor;

    // 定义常量：任务检查的超时时间(秒)
@@ -86,15 +80,20 @@

    private boolean hasReceivedSubscription(Session session) {
        WsBo wsBo = getWsBoForSession(session.getId());
        String s = RedisUtil.get("user_" + wsBo.getUserId());
        if(null == s || s.isEmpty() && !wsBo.getToken().equals(s)){
        String s = RedisUtil.get(wsBo.getUserId().toString());
        if(StringUtils.isEmpty(s) || !wsBo.getToken().equals(s)){
            closeSession(session, "用户未登录");
            Map<String,Integer> map = new HashMap<>();
            map.put("status",1);
            pushMessage(session,JSONUtil.toJsonStr(map));
            return false;
        }
        return wsBo != null;
    }

    @OnError
    public void onError(Session session, @NonNull Throwable throwable) {
        onClose();
        log.error("连接发生报错: {}", throwable.getMessage());
        throwable.printStackTrace();
    }
@@ -102,6 +101,7 @@
    @OnClose
    public void onClose() {
        int count = onlineCount.decrementAndGet();
        threadLocalData.remove(session.getId());
        wsServers.remove(this);
        cancelScheduledTasks(); // 取消定时任务
        log.info("服务端断开连接，当前连接的客户端数量为：{}", count);
@@ -119,6 +119,18 @@
        try {
            if(!message.equals("ping")){
                WsBo bean = JSONUtil.toBean(message, WsBo.class);
                if(null == bean){
                    log.error("没有订阅消息");
                    closeSession(session,null);
                }
                String s = RedisUtil.get(bean.getUserId().toString());
                if(StringUtils.isEmpty(s)){
                    log.error("未登录");
                    Map<String,Integer> map = new HashMap<>();
                    map.put("status",1);
                    pushMessage(session,JSONUtil.toJsonStr(map));
                    closeSession(session,null);
                }
                threadLocalData.put(session.getId(), bean);
            }
        }catch (Exception e){
@@ -133,35 +145,114 @@
        return sessionLocks.get(sessionId);
    }

//    public void sendMessageToAll(String message) {
//        List<CompletableFuture<Void>> futures = new ArrayList<>();
//        wsServers.forEach(ws -> {
//            futures.add(CompletableFuture.runAsync(() -> {
//                try {
//                    Session session = ws.session;
//                    if (session != null && session.isOpen()) {
//                        Lock sessionLock = getSessionLock(session.getId());
//                        sessionLock.lock();
//                        try {
//                            schedulePushMessage(session, message);
//                        } catch (Exception e) {
//                            e.printStackTrace();
//                            closeSession(session, "发送消息异常，断开链接");
//                            log.error("发送消息时出现异常: {}", e.getMessage());
//                        } finally {
//                            sessionLock.unlock();
//                        }
//                    } else {
//                        closeSession(session, "会话不存在或已关闭");
//                        log.error("会话不存在或已关闭，无法发送消息");
//                    }
//                } catch (Exception e) {
//                    log.error("处理消息失败: {}", e.getMessage());
//                }
//            }, threadPoolTaskExecutor));
//        });
//
//        // 等待所有任务执行完成
//        CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
//    }
    public void sendMessageToAll(String message) {
        List<CompletableFuture<Void>> futures = new ArrayList<>();
        List<Future<Void>> futures = new ArrayList<>();
        ExecutorService executorService = Executors.newFixedThreadPool(100); // 使用固定大小的线程池

        // 收集所有活动的会话
        List<Session> activeSessions = new ArrayList<>();
        wsServers.forEach(ws -> {
            futures.add(CompletableFuture.runAsync(() -> {
                try {
                    Session session = ws.session;
                    if (session != null && session.isOpen()) {
                        Lock sessionLock = getSessionLock(session.getId());
                        sessionLock.lock();
                        try {
                            schedulePushMessage(session, message);
                        } catch (Exception e) {
                            e.printStackTrace();
                            closeSession(session, "发送消息异常，断开链接");
                            log.error("发送消息时出现异常: {}", e.getMessage());
                        } finally {
                            sessionLock.unlock();
                        }
                    } else {
                        log.error("会话不存在或已关闭，无法发送消息");
                    }
                } catch (Exception e) {
                    log.error("处理消息失败: {}", e.getMessage());
                }
            }, threadPoolTaskExecutor));
            Session session = ws.session;
            if (session != null && session.isOpen()) {
                activeSessions.add(session);
            } else {
                closeSession(session, "会话不存在或已关闭");
                log.error("会话不存在或已关闭，无法发送消息");
            }
        });

        // 等待所有任务执行完成
        CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
        // 并发处理所有活动的会话
        for (Session session : activeSessions) {
            Future<Void> future = executorService.submit(() -> {
                Lock sessionLock = getSessionLock(session.getId());
                try {
                    if (sessionLock.tryLock(100, TimeUnit.MILLISECONDS)) {
                        try {
                            schedulePushMessage(session, message);
                        } finally {
                            sessionLock.unlock(); // 确保锁只在这里释放
                        }
                    } else {
                        log.error("无法获取锁，放弃对会话 {} 的操作", session.getId());
                    }
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt(); // 重新设置中断状态
                    log.error("线程被中断: {}", e.getMessage());
                } catch (JsonProcessingException e) {
                    log.error("JSON处理异常: {}", e.getMessage());
                }
                return null; // 需要返回一个值，Void 类型的
            });

            futures.add(future);
        }

        // 等待所有任务完成或超时
        for (Future<Void> future : futures) {
            try {
                future.get(60, TimeUnit.SECONDS); // 指定超时时间
            } catch (TimeoutException e) {
                log.error("某个任务超时，可能未能完成: {}", e.getMessage());
                // 这里可以选择是否取消该任务
                future.cancel(true); // 取消任务，设置为 true 则会中断正在执行的线程
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt(); // 重新设置中断状态
                log.error("线程被中断: {}", e.getMessage());
            } catch (ExecutionException e) {
                log.error("处理会话时发生异常: {}", e.getCause().getMessage());
            }
        }

        // 关闭线程池
        executorService.shutdown();
    }


    @PreDestroy
    public void shutdownExecutor() {
        threadPoolTaskExecutor.shutdown(); // 先关闭线程池
        try {
            // 等待现有任务在指定时间内完成
            if (!threadPoolTaskExecutor.getThreadPoolExecutor().awaitTermination(60, TimeUnit.SECONDS)) {
                // 如果未能完成，则强制关闭
                threadPoolTaskExecutor.getThreadPoolExecutor().shutdownNow();
            }
        } catch (InterruptedException e) {
            // 如果当前线程被中断，则强制关闭
            threadPoolTaskExecutor.getThreadPoolExecutor().shutdownNow();
            Thread.currentThread().interrupt(); // 还原中断状态
        }
    }

    private WsBo getWsBoForSession(String sessionId) {
@@ -172,22 +263,40 @@

    private void schedulePushMessage(Session session, String message) throws JsonProcessingException {
        WsBo wsBo = getWsBoForSession(session.getId());

        if (wsBo != null) {

            String s = RedisUtil.get(wsBo.getUserId().toString());
            if(StringUtils.isEmpty(s) || !s.equals(wsBo.getToken())){
                Map<String,Integer> map = new HashMap<>();
                map.put("status",1);
                pushMessage(session,JSONUtil.toJsonStr(map));
                closeSession(session,"登录状态失效");
            }


            long currentTime = System.currentTimeMillis();
            long lastMessageTime = lastMessageTimeMap.getOrDefault(session, 0L);
            int time = wsBo.getTime();

            message = megFiltration(wsBo,message);
            if (currentTime - lastMessageTime >= time * 1000) {
                // 时间间隔达到要求，可以发送消息
            if(wsBo.getPushNow()){
                message = megFiltration(wsBo,message);
                pushMessage(session, message);
                lastMessageTimeMap.put(session, currentTime); // 更新最后发送时间
            } else {
                // 时间间隔未达到，不发送消息，可以记录日志或者其他操作
//                log.info("距离上次发送消息时间未达到指定间隔，不发送消息。");
                wsBo.setPushNow(false);
            }else{
                message = megFiltration(wsBo,message);
                if (currentTime - lastMessageTime >= time * 1000) {
                    // 时间间隔达到要求，可以发送消息
                    pushMessage(session, message);
                    lastMessageTimeMap.put(session, currentTime); // 更新最后发送时间
                }
            }
        }
    }



    private static final Gson gson = new Gson();
    private String megFiltration(WsBo wsBo,String message) throws JsonProcessingException {
        List<MarketDataOut> redisValueMap = gson.fromJson(message, new TypeToken<List<MarketDataOut>>() {}.getType());
@@ -201,8 +310,10 @@
        }
        if (!CollectionUtils.isEmpty(currencies)) {
            Set<String> filtrationSet = currencies.stream()
                    .map(f -> f.getCurrency() + f.getBuy() + f.getSell())
                    .map(f -> f.getCurrency() + f.getBuy() + f.getSell()) //组合过滤 ，暂时不使用，直接过滤整个币种
//                    .map(f -> f.getCurrency())
                    .collect(Collectors.toSet());
//            redisValueMap.removeIf(data -> filtrationSet.contains(data.getBaseAsset()));
            redisValueMap.removeIf(data -> filtrationSet.contains(data.getBuyAndSell()));
        }

@@ -215,8 +326,9 @@
        }
        //价差
        redisValueMap = redisValueMap.stream()
                .filter(data -> Double.parseDouble(data.getSpread()) >= wsBo.getSpread())
                .filter(data -> Double.parseDouble(data.getSpread()) >= wsBo.getSpread() && Double.parseDouble(data.getSpread()) <= 1000)
                .collect(Collectors.toList());

        //最低金额
        if(null !=  wsBo.getMinAmount()){
            redisValueMap = redisValueMap.stream()
@@ -246,6 +358,7 @@
                    .filter(data -> list.contains(data.getBuyAndSell()))
                    .forEach(data -> data.setMarker(true));
        }
        map.put("uuid",wsBo.getUuid());
        map.put("current",wsBo.getCurrent());
        map.put("sizes",wsBo.getSizes());
        map.put("total",redisValueMap.size());
@@ -319,14 +432,16 @@
        }
    }

    // 关闭会话的方法
    private void closeSession(Session session, String reason) {
        try {
            session.close(new CloseReason(CloseReason.CloseCodes.UNEXPECTED_CONDITION, reason));
            if (session != null && session.isOpen()) {
                wsServers.remove(this);
                log.info(reason);
                session.close(new CloseReason(CloseReason.CloseCodes.NORMAL_CLOSURE, reason));
            }
        } catch (IOException e) {
            log.error("强制断开连接----异常: {}", e.getMessage());
            log.error("关闭会话时出现异常: {}", e.getMessage());
        }
        wsServers.remove(this);
        log.info("客户端未及时发送订阅消息，断开连接");
    }

}