From 440f0f0b37a10c82e54f402be8d4d99c7406b4d4 Mon Sep 17 00:00:00 2001
From: zj <1772600164@qq.com>
Date: Mon, 12 Aug 2024 17:48:22 +0800
Subject: [PATCH] 1
---
websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java | 326 ++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 280 insertions(+), 46 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 73af220..a4494e3 100644
--- a/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java
+++ b/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java
@@ -1,28 +1,43 @@
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.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.util.CollectionUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
-import java.io.ByteArrayOutputStream;
+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;
@@ -39,29 +54,93 @@
private Session session;
private static AtomicInteger onlineCount = new AtomicInteger(0);
private static CopyOnWriteArraySet<WsServer> wsServers = new CopyOnWriteArraySet<>();
+ // 线程局部变量，用于存储每个线程的数据
+ private static final Map<String, WsBo> threadLocalData = new ConcurrentHashMap<>();
+
@Autowired
@Qualifier("threadPoolTaskExecutor")
private ThreadPoolTaskExecutor threadPoolTaskExecutor;
+ // 定义常量：任务检查的超时时间(秒)
+ private static final int SUBSCRIPTION_TIMEOUT_SECONDS = 30;
+
+ private ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
+ private Map<String, ScheduledFuture<?>> scheduledTasks = new ConcurrentHashMap<>();
+
@OnOpen
public void onOpen(Session session) {
+
this.session = session;
int count = onlineCount.incrementAndGet();
wsServers.add(this);
log.info("与客户端连接成功，当前连接的客户端数量为：{}", count);
+
+ // 设置定时任务，在SUBSCRIPTION_TIMEOUT_SECONDS秒后检查是否收到订阅消息
+ ScheduledFuture<?> timeoutTask = scheduler.schedule(() -> {
+ if (!hasReceivedSubscription(session)) {
+ closeSession(session, "未及时发送订阅消息");
+ }
+ }, SUBSCRIPTION_TIMEOUT_SECONDS, TimeUnit.SECONDS);
+ scheduledTasks.put(session.getId(), timeoutTask);
+ }
+
+ private boolean hasReceivedSubscription(Session session) {
+ WsBo wsBo = getWsBoForSession(session.getId());
+ 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) {
- log.error("连接发生报错");
+ threadLocalData.remove(session.getId());
+ wsServers.remove(this);
+ log.error("连接发生报错: {}", throwable.getMessage());
throwable.printStackTrace();
}
@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);
+ }
+
+ private void cancelScheduledTasks() {
+ ScheduledFuture<?> future = scheduledTasks.remove(this.session.getId());
+ if (future != null) {
+ future.cancel(true); // 取消定时任务
+ }
+ }
+
+ @OnMessage
+ public void onMessage(String message, Session session) throws IOException {
+ try {
+ if(!message.equals("ping")){
+ WsBo bean = JSONUtil.toBean(message, WsBo.class);
+ if(null == bean){
+ closeSession(session,"没有订阅消息");
+ }
+ String s = RedisUtil.get(bean.getUserId().toString());
+ if(StringUtils.isEmpty(s)){
+ Map<String,Integer> map = new HashMap<>();
+ map.put("status",1);
+ pushMessage(session,JSONUtil.toJsonStr(map));
+ closeSession(session,"没有订阅消息");
+ }
+ threadLocalData.put(session.getId(), bean);
+ }
+ }catch (Exception e){
+ log.error("客户段订阅消息格式错误");
+ }
}
private Map<String, Lock> sessionLocks = new ConcurrentHashMap<>();
@@ -72,67 +151,222 @@
}
public void sendMessageToAll(String message) {
-// Map<String, Object> map = jsonToMap(message);
-// if (map.get("pid").equals("00000001")) {
-// System.out.println(message);
-// }
- try {
- List<Future<?>> futures = new ArrayList<>();
- wsServers.forEach(ws -> {
- Future<?> future = threadPoolTaskExecutor.submit(() -> {
+ 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 {
- synchronized (session){
- // 压缩消息
- byte[] compressedData = compress(message);
-
- // 发送压缩后的消息
- session.getBasicRemote().sendBinary(ByteBuffer.wrap(compressedData));
-// session.getBasicRemote().sendText(message);
- }
+ schedulePushMessage(session, message);
} catch (Exception e) {
- log.error("发送消息时出现异常: " + e.getMessage());
+ 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");
}
- });
- futures.add(future);
- });
+ } catch (Exception e) {
+ log.error("处理消息失败: {}", e.getMessage());
+ }
+ }, threadPoolTaskExecutor));
+ });
- //等待所有任务执行完成
- for (Future<?> future : futures) {
- try {
- future.get();
- } catch (InterruptedException | ExecutionException e) {
- log.error("发送消息时出现异常: " + e.getMessage());
+ // 等待所有任务执行完成
+ CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
+ }
+
+ private WsBo getWsBoForSession(String sessionId) {
+ return threadLocalData.get(sessionId);
+ }
+
+ private Map<Session, Long> lastMessageTimeMap = new ConcurrentHashMap<>();
+
+ 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
+ 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。");
+ }
+ }else{
+ pushMessage(session,"没有订阅消息");
+ }
+ }
+ 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())
+ .collect(Collectors.toSet());
+ redisValueMap.removeIf(data -> filtrationSet.contains(data.getBuyAndSell()));
+ }
+
+
+ //查询币种
+ if(StringUtils.isNotEmpty(wsBo.getCurrency())){
+ redisValueMap = redisValueMap.stream()
+ .filter(data -> wsBo.getCurrency().equals(data.getBaseAsset()))
+ .collect(Collectors.toList());
+ }
+ //价差
+ if(wsBo.getSystemFiltration()){
+ redisValueMap = redisValueMap.stream()
+ .filter(data -> Double.parseDouble(data.getSpread()) <= wsBo.getSpread())
+ .collect(Collectors.toList());
+ }else{
+ 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
+ }
+ }
}
}
- } catch (Exception e) {
- log.error("发送消息时出现异常: " + e.getMessage());
+ });
+ }
+
+ 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());
}
}
- private byte[] compress(String data) throws IOException {
- ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
- Deflater deflater = new Deflater(Deflater.BEST_COMPRESSION, true);
- try (DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream, deflater)) {
- deflaterOutputStream.write(data.getBytes("UTF-8"));
+ // 关闭会话的方法
+ private void closeSession(Session session, String reason) {
+ try {
+ threadLocalData.remove(session.getId());
+ session.close(new CloseReason(CloseReason.CloseCodes.UNEXPECTED_CONDITION, reason));
+ } catch (IOException e) {
+ log.error("强制断开连接----异常: {}", e.getMessage());
}
- deflater.end();
- return byteArrayOutputStream.toByteArray();
+ wsServers.remove(this);
+ log.info(reason);
}
-
-//
-// public static Map<String, Object> jsonToMap(String json) {
-// Gson gson = new Gson();
-// Type type = new TypeToken<Map<String, Object>>() {
-// }.getType();
-// return gson.fromJson(json, type);
-// }
}
--
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