package org.springblade.common.handler;
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import com.alibaba.fastjson.JSONObject;
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import com.corundumstudio.socketio.*;
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import com.corundumstudio.socketio.annotation.OnConnect;
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import com.corundumstudio.socketio.annotation.OnDisconnect;
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import com.corundumstudio.socketio.annotation.OnEvent;
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import com.corundumstudio.socketio.protocol.Packet;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.CommandLineRunner;
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import org.springframework.core.annotation.Order;
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import org.springframework.stereotype.Component;
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import com.corundumstudio.socketio.SocketIOServer;
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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.stereotype.Service;
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import javax.annotation.PostConstruct;
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import javax.annotation.PreDestroy;
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import java.net.ServerSocket;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.function.BiConsumer;
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/**
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* SocketIo启动类
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*/
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@Component
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@Order(value = 1)
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public class SocketIOService {
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private final Logger log = LoggerFactory.getLogger(this.getClass());
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// 用来存已连接的客户端
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private static Map<String, SocketIOClient> clientMap = new ConcurrentHashMap<>();
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@Autowired
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private SocketIOServer socketIOServer;
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/**
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* Spring IoC容器创建之后，在加载SocketIOServiceImpl Bean之后启动
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*
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* @throws Exception
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*/
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@PostConstruct
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private void autoStartup() throws Exception {
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log.info("启动Socket！！！！！！！！！！");
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start();
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}
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/**
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* Spring IoC容器在销毁SocketIOServiceImpl Bean之前关闭,避免重启项目服务端口占用问题
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*
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* @throws Exception
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*/
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@PreDestroy
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private void autoStop() throws Exception {
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stop();
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}
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public void start() {
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// 监听客户端连接
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socketIOServer.addConnectListener(client -> {
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String uid = getParamsByClient(client);
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if (uid != null) {
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clientMap.put(uid, client);
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log.info("有新的客户端连接UID:{}", uid);
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}
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// 给客户端发送一条信息 发送ClientReceive事件 需要客户端绑定此事件即可接收到消息
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JSONObject jsonObject = new JSONObject();
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jsonObject.put("name", "goat");
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jsonObject.put("message", "hello client");
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client.sendEvent("ClientReceive", jsonObject);
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});
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// 监听客户端断开连接
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socketIOServer.addDisconnectListener(listener -> {
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String uid = getParamsByClient(listener);
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if (uid != null) {
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clientMap.remove(uid);
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listener.disconnect();
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log.info("一条客户端连接中断");
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}
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});
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socketIOServer.addEventListener("ServerReceive", JSONObject.class, (client, data, ackSender) -> {
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String uid = getParamsByClient(client);
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String ip = getIpByClient(client);
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if (uid != null) {
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log.info("接收到SID:{}发来的消息:{}", uid, data.toJSONString());
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log.debug(ip + " ************ 客户端：" + data);
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}
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});
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socketIOServer.start();
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log.info("socket.io初始化服务完成");
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}
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@OnConnect
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public void onConnect(SocketIOClient client){
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log.info(getIpByClient(client));
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HandshakeData handshakeData = client.getHandshakeData();
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Map<String, List<String>> urlParams = handshakeData.getUrlParams();
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}
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@OnEvent(value = "msg")
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public void OnEvent(SocketIOClient client, AckRequest ackRequest, String data){
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log.info("发来消息：" + data);
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}
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@OnDisconnect()
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public void OnEvent(SocketIOClient client){
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log.info("{}断开连接",client.getSessionId());
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}
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public void stop() {
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if (socketIOServer != null) {
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socketIOServer.stop();
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socketIOServer = null;
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}
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log.info("socket.io服务已关闭");
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}
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/**
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* 此方法为获取client连接中的参数，可根据需求更改
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*
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* @param client
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* @return
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*/
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private String getParamsByClient(SocketIOClient client) {
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// 从请求的连接中拿出参数（这里的sid必须是唯一标识）
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Map<String, List<String>> params = client.getHandshakeData().getUrlParams();
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List<String> list = params.get("UID");
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if (list != null && list.size() > 0) {
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return list.get(0);
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}
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return null;
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}
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/**
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* 获取连接的客户端ip地址
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*
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* @param client: 客户端
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* @return: java.lang.String
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*/
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private String getIpByClient(SocketIOClient client) {
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String sa = client.getRemoteAddress().toString();
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return sa.substring(1, sa.indexOf(":"));
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}
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}
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