1

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2024-08-01 cc90152bc8eab5e26bd997a0fc5b06ae78bd2b0b

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

@@ -1,15 +1,23 @@
package org.example.websocket.server;

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.google.common.reflect.TypeToken;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.google.gson.GsonBuilder;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
import org.example.pojo.ConfigCurrency;
import org.example.pojo.MarketDataOut;
import org.example.pojo.bo.WsBo;
import org.example.util.RedisUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
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;

@@ -18,6 +26,7 @@
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.*;
@@ -26,6 +35,7 @@
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;

@@ -57,6 +67,11 @@

    @OnOpen
    public void onOpen(Session session) {
        WsBo wsBo = getWsBoForSession(session.getId());
        String s = RedisUtil.get("user_" + wsBo.getUserId());
        if(null == s || s.isEmpty() && !wsBo.getToken().equals(s)){
            closeSession(session, "用户未登录");
        }
        this.session = session;
        int count = onlineCount.incrementAndGet();
        wsServers.add(this);
@@ -73,7 +88,7 @@

    private boolean hasReceivedSubscription(Session session) {
        WsBo wsBo = getWsBoForSession(session.getId());
        return wsBo != null; // 简化逻辑
        return wsBo != null;
    }

    @OnError
@@ -94,10 +109,6 @@
        ScheduledFuture<?> future = scheduledTasks.remove(this.session.getId());
        if (future != null) {
            future.cancel(true); // 取消定时任务
        }
        ScheduledFuture<?> task = pushTasks.remove(this.session.getId());
        if (task != null) {
            task.cancel(true); // 取消推送任务
        }
    }

@@ -128,11 +139,7 @@
                        Lock sessionLock = getSessionLock(session.getId());
                        sessionLock.lock();
                        try {
                            WsBo wsBo = getWsBoForSession(session.getId());
                            if (wsBo != null) {
                                int intervalSeconds = wsBo.getTime();
                                pushMessageWithInterval(session, message, intervalSeconds);
                            }
                            schedulePushMessage(session, message);
                        } catch (Exception e) {
                            log.error("发送消息时出现异常: {}", e.getMessage());
                        } finally {
@@ -155,30 +162,92 @@
        return threadLocalData.get(sessionId);
    }

    private Map<String, ScheduledFuture<?>> pushTasks = new ConcurrentHashMap<>();
    ScheduledExecutorService  pushScheduler  =  Executors.newScheduledThreadPool(1);
    private Map<Session, Long> lastMessageTimeMap = new ConcurrentHashMap<>();

    private void pushMessageWithInterval(Session session, String message, int intervalSeconds) {
        // 创建一个可以控制任务状态的 AtomicBoolean
        intervalSeconds = 5;
        AtomicBoolean isActive = new AtomicBoolean(true);
        ScheduledFuture<?> future = pushScheduler.scheduleAtFixedRate(() -> {
            if (isActive.get()) { // 检查是否应该继续执行
                try {
                    pushMessage(session, message);
                } catch (Exception e) {
                    log.error("推送消息时出现异常: {}", e.getMessage());
                    isActive.set(false); // 出现异常则停止任务
                }
    private void schedulePushMessage(Session session, String message) throws JsonProcessingException {
        WsBo wsBo = getWsBoForSession(session.getId());
        if (wsBo != null) {
            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
                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。");
            }
        }, 0, intervalSeconds, TimeUnit.SECONDS);
        }
    }
    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());

        // 保存任务的引用，以便后续取消
        pushTasks.put(session.getId(), future);
        String key = "config_";
        String value = RedisUtil.get(key + wsBo.getUserId());
        List<ConfigCurrency> currencies = null;
        if(null != value && !value.isEmpty()){
            ObjectMapper objectMapper = new ObjectMapper();
            currencies = objectMapper.readValue(value, new TypeReference<List<ConfigCurrency>>() {});
        }
        if(!CollectionUtils.isEmpty(currencies)){
            List<String> currency = currencies.stream().map(ConfigCurrency::getCurrency).collect(Collectors.toList());
            List<String> buy = currencies.stream().map(ConfigCurrency::getBuy).collect(Collectors.toList());
            List<String> sell = currencies.stream().map(ConfigCurrency::getSell).collect(Collectors.toList());
            redisValueMap = redisValueMap.stream()
                    .filter(data -> !currency.contains(data.getBaseAsset()) && !buy.contains(data.getBuyingPlatform()) && !sell.contains(data.getSellPlatform()))
                    .collect(Collectors.toList());
        }

        //查询币种
        if(null != wsBo.getCurrency()){
            redisValueMap = redisValueMap.stream()
                    .filter(data -> wsBo.getCurrency().equals(data.getBaseAsset()))
                    .collect(Collectors.toList());
        }
        //价差
        if(wsBo.getSpread() > 0){
            redisValueMap = redisValueMap.stream()
                    .filter(data -> Double.parseDouble(data.getSpread()) >= wsBo.getSpread())
                    .collect(Collectors.toList());
        }
        //最低金额
        if(null !=  wsBo.getMinAmount()){
            redisValueMap = redisValueMap.stream()
                    .filter(data -> new BigDecimal(data.getSellTotalPrice()).compareTo(new BigDecimal(wsBo.getMinAmount())) >= 0 )
                    .collect(Collectors.toList());
        }
        //过滤平台
        if(null != wsBo.getPlatformList()){
            List<String> list = Arrays.asList(wsBo.getPlatformList().split(","));
            redisValueMap = redisValueMap.stream()
                    .filter(data -> !list.contains(data.getBuyingPlatform()) && !list.contains(data.getSellPlatform()))
                    .collect(Collectors.toList());
        }
        //自选标记
        if(null != wsBo.getIsMarker()){
            List<String> list = Arrays.asList(wsBo.getIsMarker().split(","));
            redisValueMap.stream()
                    .filter(data -> list.contains(data.getBaseAsset()))
                    .forEach(data -> data.setMarker(true));
        }
        Gson gson = new GsonBuilder().setPrettyPrinting().create();
        String json = gson.toJson(redisValueMap);
        return json;
    }

    public void pushMessage(Session session, String message) throws IOException {
        session.getBasicRemote().sendText(message);
    private void pushMessage(Session session, String message) {
        try {
            if (session != null && session.isOpen()) {
                session.getBasicRemote().sendText(message);
            } else {
                log.error("会话不存在或已关闭，无法推送消息");
            }
        } catch (IOException e) {
            log.error("推送消息时出现IO异常: {}", e.getMessage());
        }
    }

    // 关闭会话的方法