11.6

无关风月

2025-04-22 67f416634f95c81e618123b826e18a57ae08220d

 ruoyi-service/ruoyi-admin/src/main/java/com/ruoyi/admin/sorcket/WebSocketServer.java

@@ -7,15 +7,15 @@

import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;


/**
 * @author hjl
 */
@ServerEndpoint(value = "/websocket/{workerId}")
//@ServerEndpoint(value = "/websocket/{workerId}")
@Component
public class WebSocketServer {

@@ -24,7 +24,7 @@
    /**
     * 静态变量，用来记录当前在线连接数。应该把它设计成线程安全的。
     */
    private static int onlineCount = 0;
    private static final AtomicInteger ONLINE_COUNT = new AtomicInteger(0);

    /**
     * concurrent包的线程安全Set，用来存放每个客户端对应的MyWebSocket对象
@@ -46,22 +46,31 @@
     */
    @OnOpen
    public void onOpen(Session session, @PathParam("workerId") String workerId) {
        this.session = session;
        this.userId = workerId;
        if (WEB_SOCKET_MAP.containsKey(workerId)) {
            WEB_SOCKET_MAP.remove(workerId);
            WEB_SOCKET_MAP.put(workerId, new WebSocketClient(session, workerId));
            //加入set中
        if (null != workerId && !"".equals(workerId.trim())) {
            this.session = session;
            this.userId = workerId;
            if (WEB_SOCKET_MAP.containsKey(workerId)) {
                WEB_SOCKET_MAP.remove(workerId);
                WEB_SOCKET_MAP.put(workerId, new WebSocketClient(session, workerId));
                //加入set中
            } else {
                WEB_SOCKET_MAP.put(workerId, new WebSocketClient(session, workerId));
                //加入set中
                addOnlineCount();
            }
            log.info("用户 " + workerId + " 已连接: 当前在线人数为:" + getOnlineCount());
            try {
                sendMessage("socket连接成功！");
            } catch (IOException e) {
                log.error("用户:" + workerId + ",网络异常!!!!!!");
            }
        } else {
            WEB_SOCKET_MAP.put(workerId, new WebSocketClient(session, workerId));
            //加入set中
            addOnlineCount();
        }
        log.info("用户 " + workerId + " 已连接: 当前在线人数为:" + getOnlineCount());
        try {
            sendMessage("socket连接成功！");
        } catch (IOException e) {
            log.error("用户:" + workerId + ",网络异常!!!!!!");
            log.info("用户 " + workerId + " 已连接: 当前在线人数为:" + getOnlineCount());
            try {
                sendMessage("socket连接失败！");
            } catch (IOException e) {
                log.error("用户:" + workerId + ",网络异常!!!!!!");
            }
        }
    }

@@ -75,7 +84,7 @@
            //从set中删除
            subOnlineCount();
        }
        log.info("用户退出:" + userId + ",当前在线人数为:" + getOnlineCount());
        log.info("用户退出: " + userId + ",当前在线人数为: " + getOnlineCount());
    }

    /**
@@ -104,6 +113,11 @@
    @OnError
    public void onError(Session session, Throwable error) {
        log.error("用户错误:" + this.userId + ",原因:" + error.getMessage());
        if (WEB_SOCKET_MAP.containsKey(userId)) {
            WEB_SOCKET_MAP.remove(userId);
            //从set中删除
            subOnlineCount();
        }
        error.printStackTrace();
    }

@@ -129,14 +143,14 @@
    }

    public static synchronized int getOnlineCount() {
        return onlineCount;
        return ONLINE_COUNT.get();
    }

    public static synchronized void addOnlineCount() {
        WebSocketServer.onlineCount++;
        ONLINE_COUNT.incrementAndGet();
    }

    public static synchronized void subOnlineCount() {
        WebSocketServer.onlineCount--;
        ONLINE_COUNT.decrementAndGet();
    }
}