1

zj

2024-08-30 ac8522fc973eaedee01d867b9886c807fdc5e945

 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;
@@ -20,26 +20,17 @@
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.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
@@ -86,15 +77,20 @@

    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 +98,7 @@
    @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 +116,18 @@
        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){
@@ -152,6 +161,7 @@
                            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) {
@@ -172,19 +182,34 @@

    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
                }
            }
        }
    }
@@ -201,9 +226,10 @@
        }
        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.getBuyAndSell()));
            redisValueMap.removeIf(data -> filtrationSet.contains(data.getBaseAsset()));
        }


@@ -215,8 +241,9 @@
        }
        //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()
@@ -239,12 +266,14 @@
                    .collect(Collectors.toList());
        }
        //自选标记
        if(null != wsBo.getIsMarker()){
            List<String> list = Arrays.asList(wsBo.getIsMarker().split(","));
        String mark = RedisUtil.get(wsBo.getUserId() + "_mark");
        if(StringUtils.isNoneEmpty(mark)){
            List<String> list = Arrays.asList(mark.split(","));
            redisValueMap.stream()
                    .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());
@@ -320,12 +349,8 @@

    // 关闭会话的方法
    private void closeSession(Session session, String reason) {
        try {
            session.close(new CloseReason(CloseReason.CloseCodes.UNEXPECTED_CONDITION, reason));
        } catch (IOException e) {
            log.error("强制断开连接----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");
        log.info(reason);
        onClose();
    }
}