package com.zy.asrs.wcs.rcs.ws;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.zy.asrs.framework.common.R;
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import com.zy.asrs.framework.common.SpringUtils;
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import com.zy.asrs.wcs.common.config.ConfigProperties;
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import com.zy.asrs.wcs.common.security.JwtSubject;
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import com.zy.asrs.wcs.rcs.model.protocol.ShuttleProtocol;
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import com.zy.asrs.wcs.rcs.service.ShuttleService;
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import com.zy.asrs.wcs.rcs.ws.model.WebSocketMessage;
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import com.zy.asrs.wcs.utils.JwtUtil;
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import io.jsonwebtoken.Claims;
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import lombok.Data;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import org.springframework.stereotype.Service;
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import javax.websocket.*;
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import javax.websocket.server.ServerEndpoint;
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import java.io.IOException;
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import java.util.List;
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import java.util.concurrent.CopyOnWriteArraySet;
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@Component
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@Slf4j
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@Service
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@ServerEndpoint("/ws/shuttle/websocket")
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@Data
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public class ShuttleWebSocket {
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//客户端在线人数
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private static int onlineClient = 0;
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//客户端池
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private static CopyOnWriteArraySet<ShuttleWebSocket> webSocketServers = new CopyOnWriteArraySet<>();
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private Session session;
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private String username;
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private Long hostId;
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//管道ID
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private String sessionId;
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@OnOpen
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public void onOpen(Session session) {
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this.session = session;
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this.sessionId = session.getId();
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//将websocket对象进行保存
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webSocketServers.add(this);
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//添加在线人数
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addOnlineClient();
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log.info("有新窗口开始监听:" + session.getId() + ",当前在线人数为:" + getOnlineClient());
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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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webSocketServers.remove(this); //从set中删除
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subOnlineClient(); //在线数减1
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log.info("关闭的连接：" + sessionId);
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log.info("有一连接关闭！当前在线人数为" + getOnlineClient());
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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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* @ Param message 客户端发送过来的消息
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*/
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@OnMessage
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public void onMessage(String message, Session session) throws IOException {
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ShuttleService shuttleService = SpringUtils.getBean(ShuttleService.class);
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WebSocketMessage socketMessage = JSON.parseObject(message, WebSocketMessage.class);
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if (socketMessage.getUrl().equals("login")) {
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try {
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// 解析token
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ConfigProperties configProperties = SpringUtils.getBean(ConfigProperties.class);
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JSONObject data = JSON.parseObject(socketMessage.getData());
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Claims claims = JwtUtil.parseToken(data.getString("token"), configProperties.getTokenKey());
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JwtSubject jwtSubject = JwtUtil.getJwtSubject(claims);
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this.username = jwtSubject.getUsername();
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this.hostId = jwtSubject.getHostId();
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socketMessage.setData(JSON.toJSONString(R.ok("auth success")));
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} catch (Exception e) {
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e.printStackTrace();
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socketMessage.setData(JSON.toJSONString(R.error("auth fail")));
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}
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this.sendMessage(JSON.toJSONString(socketMessage));
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} else if (socketMessage.getUrl().equals("/shuttle/status/list")) {
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if (this.hostId != null) {
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List<ShuttleProtocol> data = shuttleService.getShuttleStatusList(this.hostId);
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socketMessage.setData(JSON.toJSONString(data));
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this.sendMessage(JSON.toJSONString(socketMessage));
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}
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}
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// log.info("收到来自连接：" + sessionId + "的信息:" + message);
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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("发生错误");
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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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* 服务器主动推送给指定用户
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*/
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public void sendMessage(String message, String account) throws IOException {
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for (ShuttleWebSocket item : webSocketServers) {
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item.sendMessage(message);
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}
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}
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public void sendMessage(String message, int userId) throws IOException {
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for (ShuttleWebSocket item : webSocketServers) {
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item.sendMessage(message);
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}
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}
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/**
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* 服务器主动推送给指定用户
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*/
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public static boolean sendMessageGlobal(String message, String account) throws IOException {
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boolean tag = false;
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for (ShuttleWebSocket item : webSocketServers) {
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tag = true;
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item.sendMessage(message);
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}
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return tag;
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}
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public static boolean sendMessageGlobal(String message, int userId) throws IOException {
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boolean tag = false;
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for (ShuttleWebSocket item : webSocketServers) {
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tag = true;
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item.sendMessage(message);
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}
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return tag;
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}
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public static synchronized int getOnlineClient() {
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return onlineClient;
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}
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public static synchronized void addOnlineClient() {
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ShuttleWebSocket.onlineClient++;
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}
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public static synchronized void subOnlineClient() {
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if (ShuttleWebSocket.onlineClient > 0) {
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ShuttleWebSocket.onlineClient--;
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}
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}
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}
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