package com.moral.api.websocket;

import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.PathVariable;

import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.util.concurrent.CopyOnWriteArraySet;

/**
 * @ClassName SingleDeviceServer
 * @Description TODO
 * @Author 陈凯裕
 * @Date 2021/6/15 13:56
 * @Version TODO
 **/
@ServerEndpoint("/singleDevice/{mac}")
@Component
public class SingleDeviceServer {

    //线程安全集合，用于存放server对象
    public static CopyOnWriteArraySet<SingleDeviceServer> sockets = new CopyOnWriteArraySet<>();

    private Session session;

    private String mac;



    @OnOpen
    public void onOpen(Session session, @PathParam("mac") String mac) throws Exception {
        this.session = session;
        this.mac = mac;
        sockets.add(this);
        System.out.println(mac);
    }

    @OnClose
    public void onClose() {
        sockets.remove(this);
    }

    @OnMessage
    public void onMessage(String message, Session session) {
        System.out.println(message);
    }

    @OnError
    public void onError(Session session, Throwable error) {
    }

    public void sendMessage(String message) throws Exception {
        if (this.session.isOpen()) {
            synchronized (session) {
                this.session.getBasicRemote().sendText(message);
            }
        }
    }


}