package com.web.jhsop.websocket.util;
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import com.web.jhsop.websocket.config.WebSocketConfig;
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import com.web.jhsop.websocket.dao.SopDeviceDao;
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import com.web.jhsop.websocket.dao.SopFileDao;
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import com.web.jhsop.websocket.entity.SopDevice;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.stereotype.Component;
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import org.springframework.util.CollectionUtils;
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import org.springframework.util.StringUtils;
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import javax.websocket.*;
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import javax.websocket.server.PathParam;
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import java.util.Date;
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import java.util.List;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.CopyOnWriteArraySet;
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@ConditionalOnClass(value = WebSocketConfig.class)
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@Component
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//开发时候注释，打包时放出来
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//@ServerEndpoint("/websocket/{deviceId}") // 接口路径 ws://localhost:9999/webSocket/deviceId;
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public class WebSocketUtil {
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protected Logger logger = LoggerFactory.getLogger(this.getClass());
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private static SopDeviceDao sopDeviceDao;
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private static SopFileDao sopFileDao;
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@Autowired
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public void setSopDeviceDao(SopDeviceDao sopDeviceDao){
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WebSocketUtil.sopDeviceDao = sopDeviceDao;
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}
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@Autowired
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public void setSopFileDao(SopFileDao sopFileDao){
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WebSocketUtil.sopFileDao = sopFileDao;
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}
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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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/**
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* 设备ID
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*/
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private String deviceId;
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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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//虽然@Component默认是单例模式的，但springboot还是会为每个websocket连接初始化一个bean，所以可以用一个静态set保存起来。
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// 注：底下WebSocket是当前类名
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private static CopyOnWriteArraySet<WebSocketUtil> webSockets =new CopyOnWriteArraySet<>();
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// 用来存在线连接用户信息
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private static ConcurrentHashMap<String,Session> sessionPool = new ConcurrentHashMap<String,Session>();
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/**
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* 链接成功调用的方法
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*/
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@OnOpen
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public void onOpen(Session session, @PathParam(value="deviceId")String deviceId) {
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try {
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if(StringUtils.isEmpty(deviceId)||deviceId.equals("undefined")){
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return;
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}
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if(deviceId.length() <= 12){
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//12位组成 则为设备唯一码 否则则是翻页功能中发起的socket连接
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List<SopDevice> list = sopDeviceDao.findByBsDevice(deviceId);
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if(CollectionUtils.isEmpty(list)){
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SopDevice sopDevice = new SopDevice();
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sopDevice.setBsDevice(deviceId);
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sopDevice.setCreatedTime(new Date());
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sopDeviceDao.save(sopDevice);
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}
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}
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this.session = session;
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this.deviceId = deviceId;
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webSockets.add(this);
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sessionPool.put(deviceId, session);
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logger.info("【websocket消息】有新的连接，总数为:"+webSockets.size());
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} catch (Exception e) {
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}
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}
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/**
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* 链接关闭调用的方法
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*/
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@OnClose
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public void onClose() {
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try {
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webSockets.remove(this);
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sessionPool.remove(this.deviceId);
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logger.info("【websocket消息】连接断开，总数为:"+webSockets.size());
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} catch (Exception e) {
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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
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*/
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@OnMessage
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public void onMessage(String message) {
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logger.info("【websocket消息】收到客户端消息:"+message);
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}
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/** 发送错误时的处理
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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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logger.error("用户错误,原因:"+error.getMessage());
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error.printStackTrace();
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}
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// 此为广播消息
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public void sendAllMessage(String message) {
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logger.info("【websocket消息】广播消息:"+message);
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for(WebSocketUtil webSocket : webSockets) {
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try {
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if(webSocket.session.isOpen()) {
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webSocket.session.getAsyncRemote().sendText(message);
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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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// 此为单点消息
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public void sendOneMessage(String deviceId, String message) {
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Session session = sessionPool.get(deviceId);
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if (session != null&&session.isOpen()) {
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try {
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logger.info("【websocket消息】 单点消息:"+message);
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session.getAsyncRemote().sendText(message);
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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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// 此为单点消息
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public void sendOneObject(String deviceId, Object object) {
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Session session = sessionPool.get(deviceId);
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if (session != null&&session.isOpen()) {
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try {
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logger.info("【websocket消息】 单点消息(对象):"+object);
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session.getAsyncRemote().sendObject(object);
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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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// 此为单点消息(多人)
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public void sendMoreMessage(String[] deviceIds, String message) {
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for(String deviceId:deviceIds) {
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Session session = sessionPool.get(deviceId);
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if (session != null&&session.isOpen()) {
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try {
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logger.info("【websocket消息】 单点消息:"+message);
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session.getAsyncRemote().sendText(message);
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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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