From 2ab70fbbd50f197ff60858bc008dafda1c0bdb5c Mon Sep 17 00:00:00 2001
From: zj <1772600164@qq.com>
Date: Wed, 24 Jul 2024 13:51:54 +0800
Subject: [PATCH] 1
---
websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java | 144 +++++++++++++++++++++++++++++++++--------------
1 files changed, 100 insertions(+), 44 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..e733091 100644
--- a/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java
+++ b/websocketSerivce/src/main/java/org/example/websocket/server/WsServer.java
@@ -1,17 +1,19 @@
package org.example.websocket.server;
+import cn.hutool.json.JSONUtil;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
+import org.example.pojo.bo.WsBo;
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 java.io.ByteArrayOutputStream;
+import javax.annotation.PostConstruct;
import javax.websocket.*;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
@@ -20,6 +22,7 @@
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;
@@ -39,9 +42,18 @@
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) {
@@ -49,11 +61,24 @@
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());
+ return wsBo != null; // 简化逻辑
}
@OnError
public void onError(Session session, @NonNull Throwable throwable) {
- log.error("连接发生报错");
+ log.error("连接发生报错: {}", throwable.getMessage());
throwable.printStackTrace();
}
@@ -61,7 +86,29 @@
public void onClose() {
int count = onlineCount.decrementAndGet();
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
+ }
+ 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);
+ }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 +119,76 @@
}
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);
+ WsBo wsBo = getWsBoForSession(session.getId());
+ if (wsBo != null) {
+ int intervalSeconds = wsBo.getTime();
+ pushMessageWithInterval(session, message, intervalSeconds);
}
} catch (Exception e) {
- log.error("发送消息时出现异常: " + e.getMessage());
+ 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");
}
- });
- 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) {
+ // 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<String, ScheduledFuture<?>> pushTasks = new ConcurrentHashMap<>();
+ ScheduledExecutorService pushScheduler = Executors.newScheduledThreadPool(1);
+
+ 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 {
- future.get();
- } catch (InterruptedException | ExecutionException e) {
- log.error("发送消息时出现异常: " + e.getMessage());
+ 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
}
}
- } catch (Exception e) {
- log.error("发送消息时出现异常: " + e.getMessage());
- }
+ }, 0, intervalSeconds, TimeUnit.SECONDS);
+
+ // 保存任务的引用，以便后续取消
+ pushTasks.put(session.getId(), future);
}
- 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"));
- }
- deflater.end();
- return byteArrayOutputStream.toByteArray();
+ public void pushMessage(Session session, String message) throws IOException {
+ session.getBasicRemote().sendText(message);
}
-//
-// 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);
-// }
+ // 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");
+ }
}
--
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