From 1688c7f5fbe02393f4398fa0bb901ac3c30dc9ec Mon Sep 17 00:00:00 2001
From: zj <1772600164@qq.com>
Date: Fri, 30 Aug 2024 22:35:42 +0800
Subject: [PATCH] 1
---
websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java | 253 +++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 208 insertions(+), 45 deletions(-)
diff --git a/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java b/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java
index e733091..4b02b1a 100644
--- a/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java
+++ b/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java
@@ -1,33 +1,36 @@
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.fasterxml.jackson.databind.module.SimpleModule;
+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.apache.commons.lang3.StringUtils;
+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.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.util.CollectionUtils;
-import javax.annotation.PostConstruct;
import javax.websocket.*;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
-import java.lang.reflect.Type;
-import java.nio.ByteBuffer;
-import java.text.SimpleDateFormat;
+import java.math.BigDecimal;
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.zip.Deflater;
-import java.util.zip.DeflaterOutputStream;
+import java.util.stream.Collectors;
/**
* @ClassDescription: websocket服务端
@@ -57,6 +60,7 @@
@OnOpen
public void onOpen(Session session) {
+
this.session = session;
int count = onlineCount.incrementAndGet();
wsServers.add(this);
@@ -73,11 +77,20 @@
private boolean hasReceivedSubscription(Session session) {
WsBo wsBo = getWsBoForSession(session.getId());
- return wsBo != null; // 简化逻辑
+ 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();
}
@@ -85,6 +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);
@@ -95,17 +109,27 @@
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
- }
}
@OnMessage
public void onMessage(String message, Session session) throws IOException {
try {
- WsBo bean = JSONUtil.toBean(message, WsBo.class);
- threadLocalData.put(session.getId(), bean);
+ 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){
log.error("客户段订阅消息格式错误");
}
@@ -128,17 +152,16 @@
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) {
+ 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) {
@@ -155,40 +178,180 @@
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 {
+ 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();
+
+ if(wsBo.getPushNow()){
+ message = megFiltration(wsBo,message);
+ pushMessage(session, message);
+ lastMessageTimeMap.put(session, currentTime); // 更新最后发送时间
+ 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);
- } 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
+ lastMessageTimeMap.put(session, currentTime); // 更新最后发送时间
}
}
- }, 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());
+ Map<String,Object> map = new HashMap<>();
+ 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)) {
+ Set<String> filtrationSet = currencies.stream()
+ .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()));
+ }
- // 保存任务的引用，以便后续取消
- pushTasks.put(session.getId(), future);
+
+ //查询币种
+ if(StringUtils.isNotEmpty(wsBo.getCurrency())){
+ redisValueMap = redisValueMap.stream()
+ .filter(data -> wsBo.getCurrency().equals(data.getBaseAsset()))
+ .collect(Collectors.toList());
+ }
+ //价差
+ redisValueMap = redisValueMap.stream()
+ .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()
+ .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());
+ }
+
+ //过滤数据
+ if(null != wsBo.getBuyAndSell()){
+ List<String> list = Arrays.asList(wsBo.getBuyAndSell().split(","));
+ redisValueMap = redisValueMap.stream()
+ .filter(data -> !list.contains(data.getBuyAndSell()))
+ .collect(Collectors.toList());
+ }
+ //自选标记
+ 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());
+ sortBySpread(redisValueMap);
+ Integer current = 0;
+ if(wsBo.getCurrent() != 1){
+ current = (wsBo.getCurrent() - 1) * wsBo.getSizes();
+ }
+
+ // 确保 startIndex 在有效范围内
+ current = Math.min(current, redisValueMap.size());
+ // 计算子列表的结束索引
+ int endIndex = Math.min(current + wsBo.getSizes(), redisValueMap.size());
+ // 根据计算出的索引获取子列表
+ redisValueMap = redisValueMap.subList(current, endIndex);
+ map.put("data",redisValueMap);
+ Gson gson = new GsonBuilder().setPrettyPrinting().create();
+ String json = gson.toJson(map);
+ return json;
+ }
+ public static void sortBySpread(List<MarketDataOut> marketDataList) {
+ Collections.sort(marketDataList, new Comparator<MarketDataOut>() {
+ @Override
+ public int compare(MarketDataOut a, MarketDataOut b) {
+ // 将买入总价和卖出总价转换为 BigDecimal
+ BigDecimal buyTotalPriceA = new BigDecimal(a.getBuyTotalPrice());
+ BigDecimal buyTotalPriceB = new BigDecimal(b.getBuyTotalPrice());
+ BigDecimal sellTotalPriceA = new BigDecimal(a.getSellTotalPrice());
+ BigDecimal sellTotalPriceB = new BigDecimal(b.getSellTotalPrice());
+ BigDecimal spreadA = new BigDecimal(a.getSpread());
+ BigDecimal spreadB = new BigDecimal(b.getSpread());
+
+ // 检查 a 和 b 的买入总价或卖出总价是否大于 1000
+ boolean aBuyOrSellAbove1000 = buyTotalPriceA.compareTo(new BigDecimal("1000")) > 0 || sellTotalPriceA.compareTo(new BigDecimal("1000")) > 0;
+ boolean bBuyOrSellAbove1000 = buyTotalPriceB.compareTo(new BigDecimal("1000")) > 0 || sellTotalPriceB.compareTo(new BigDecimal("1000")) > 0;
+
+ if (aBuyOrSellAbove1000 && !bBuyOrSellAbove1000) {
+ return -1; // a 应排在 b 前面
+ } else if (!aBuyOrSellAbove1000 && bBuyOrSellAbove1000) {
+ return 1; // b 应排在 a 前面
+ } else {
+ // a 和 b 都大于 1000 或都小于等于 1000
+ // 先按照 spread 的降序排列
+ int spreadComparison = spreadB.compareTo(spreadA);
+ if (spreadComparison != 0) {
+ return spreadComparison; // 先按照 spread 排序
+ } else {
+ // 如果 spread 相同，再按照买入总价或卖出总价的升序排列
+ if (aBuyOrSellAbove1000) {
+ // 对于买入总价或卖出总价大于 1000 的记录
+ return buyTotalPriceA.compareTo(buyTotalPriceB); // 按照买入总价升序排序
+ } else {
+ // 对于买入总价或卖出总价小于等于 1000 的记录
+ return buyTotalPriceA.compareTo(buyTotalPriceB); // 可以选择卖出总价或买入总价的升序排序
+ }
+ }
+ }
+ }
+ });
}
- 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
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();
}
}
--
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