mul-agent-virtual-simulation-system/train-common/train-common-websocket/src/main/java/top/haijunit/websocket/utils/WebSocketUtils.java

package top.haijunit.websocket.utils;

import lombok.experimental.UtilityClass;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketMessage;
import org.springframework.web.socket.WebSocketSession;
import top.haijunit.websocket.handler.WebSocketSessionHolder;

import java.io.IOException;

/**
 * @author zhanghaijun
 * @date 2023/11/17 17:58
 * @description 工具类
 */
@Slf4j
@UtilityClass
public class WebSocketUtils {

    /**
     * 发送消息
     *
     * @param sessionKey session主键 一般为用户id
     * @param message    消息文本
     */
    public static void sendMessage(String sessionKey, String message) {
        WebSocketSession session = WebSocketSessionHolder.getSessions(sessionKey);
        sendMessage(session, message);
    }

    public static void sendMessage(String message) {
        for (String item : WebSocketSessionHolder.getSessionsAll()) {
            sendMessage(item, message);
        }
    }

    public static void sendMessage(WebSocketSession session, String message) {
        sendMessage(session, new TextMessage(message));
    }

    public static void sendMessage(WebSocketSession session, WebSocketMessage<?> message) {
        if (session == null || !session.isOpen()) {
            log.error("[websocket] session会话失效");
        } else {
            try {
                session.sendMessage(message);
            } catch (IOException e) {
                log.error("[websocket] session({}) 发送消息({}) 异常", session, message, e);
            }
        }
    }
}