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@@ -1,139 +0,0 @@
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-package com.keao.edu.user.controller;
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-
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-import com.alibaba.fastjson.JSON;
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-import com.alibaba.fastjson.JSONObject;
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-import org.apache.commons.lang3.StringUtils;
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-import org.slf4j.Logger;
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-import org.slf4j.LoggerFactory;
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-import org.springframework.stereotype.Component;
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-
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-import javax.websocket.*;
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-import javax.websocket.server.PathParam;
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-import javax.websocket.server.ServerEndpoint;
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-import java.io.IOException;
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-import java.util.concurrent.ConcurrentHashMap;
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-
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-@ServerEndpoint(value = "/ws/{userId}")
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-@Component
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-public class WebSocketServer {
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-
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- private static Logger log = LoggerFactory.getLogger(WebSocketServer.class);
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- /**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。*/
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- private static int onlineCount = 0;
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- /**concurrent包的线程安全Set,用来存放每个客户端对应的MyWebSocket对象。*/
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- private static ConcurrentHashMap<String,WebSocketServer> webSocketMap = new ConcurrentHashMap<>();
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- /**与某个客户端的连接会话,需要通过它来给客户端发送数据*/
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- private Session session;
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- /**接收userId*/
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- private String userId="";
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-
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- /**
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- * 连接建立成功调用的方法*/
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- @OnOpen
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- public void onOpen(Session session,@PathParam("userId") String userId) {
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- this.session = session;
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- this.userId=userId;
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- if(webSocketMap.containsKey(userId)){
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- webSocketMap.remove(userId);
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- webSocketMap.put(userId,this);
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- //加入set中
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- }else{
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- webSocketMap.put(userId,this);
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- //加入set中
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- addOnlineCount();
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- //在线数加1
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- }
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-
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- log.info("用户连接:"+userId+",当前在线人数为:" + getOnlineCount());
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-
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- try {
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- sendMessage("连接成功");
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- } catch (IOException e) {
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- log.error("用户:"+userId+",网络异常!!!!!!");
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- }
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- }
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-
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- /**
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- * 连接关闭调用的方法
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- */
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- @OnClose
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- public void onClose() {
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- if(webSocketMap.containsKey(userId)){
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- webSocketMap.remove(userId);
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- //从set中删除
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- subOnlineCount();
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- }
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- log.info("用户退出:"+userId+",当前在线人数为:" + getOnlineCount());
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- }
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-
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- /**
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- * 收到客户端消息后调用的方法
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- *
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- * @param message 客户端发送过来的消息*/
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- @OnMessage
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- public void onMessage(String message, Session session) {
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- log.info("用户消息:"+userId+",报文:"+message);
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- //可以群发消息
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- //消息保存到数据库、redis
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- if(StringUtils.isNotBlank(message)){
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- try {
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- //解析发送的报文
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- JSONObject jsonObject = JSON.parseObject(message);
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- //追加发送人(防止串改)
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- jsonObject.put("fromUserId",this.userId);
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- String toUserId=jsonObject.getString("toUserId");
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- //传送给对应toUserId用户的websocket
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- if(StringUtils.isNotBlank(toUserId)&&webSocketMap.containsKey(toUserId)){
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- webSocketMap.get(toUserId).sendMessage(jsonObject.toJSONString());
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- }else{
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- log.error("请求的userId:"+toUserId+"不在该服务器上");
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- //否则不在这个服务器上,发送到mysql或者redis
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- }
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- }catch (Exception e){
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- e.printStackTrace();
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- }
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- }
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- }
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-
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- /**
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- *
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- * @param session
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- * @param error
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- */
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- @OnError
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- public void onError(Session session, Throwable error) {
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- log.error("用户错误:"+this.userId+",原因:"+error.getMessage());
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- error.printStackTrace();
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- }
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- /**
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- * 实现服务器主动推送
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- */
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- public void sendMessage(String message) throws IOException {
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- this.session.getBasicRemote().sendText(message);
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- }
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-
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-
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- /**
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- * 发送自定义消息
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- * */
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- public static void sendInfo(String message,@PathParam("userId") String userId) throws IOException {
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- log.info("发送消息到:"+userId+",报文:"+message);
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- if(StringUtils.isNotBlank(userId)&&webSocketMap.containsKey(userId)){
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- webSocketMap.get(userId).sendMessage(message);
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- }else{
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- log.error("用户"+userId+",不在线!");
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- }
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- }
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-
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- public static synchronized int getOnlineCount() {
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- return onlineCount;
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- }
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-
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- public static synchronized void addOnlineCount() {
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- WebSocketServer.onlineCount++;
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- }
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-
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- public static synchronized void subOnlineCount() {
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- WebSocketServer.onlineCount--;
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- }
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-}
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