package com.dy.rtuMw.server.mqtt;
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import com.dy.common.mw.channel.mqtt.MqttClientPool;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import org.eclipse.paho.client.mqttv3.MqttClient;
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/**
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* @Author: liurunyu
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* @Date: 2025/6/4 14:54
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* @Description
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*/
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public class MqttManager {
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private static final Logger log = LogManager.getLogger(MqttManager.class.getName());
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private static final MqttManager INSTANCE = new MqttManager();
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private MqttUnitConfigVo configVo ;
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private MqttClientPool pool;
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private MqttManager(){
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}
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public static MqttManager getInstance() {
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return MqttManager.INSTANCE;
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}
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/**
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* 初始化配置信息
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*/
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public void initOption(MqttUnitConfigVo configVo) {
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this.configVo = configVo;
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}
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public void start()throws Exception{
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String URL = "tcp://" + this.configVo.svIp + ":" + this.configVo.svPort;
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this.pool = new MqttClientPool(URL, this.configVo.svUserName, this.configVo.svUserPassword, this.configVo.poolMaxSize);
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if(this.pool.isClose()){
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throw new Exception("Mqtt连接池初始化失败");
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}
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MqttClient clientSub = null ;
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try {
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clientSub = pool.popClient();//新创建一个Client时，此Client实际去连接MQTT服务器，如果连接不上，就会抛出异常
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}catch (Exception e){
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throw new Exception("Mqtt连接池获得连接异常", e);
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}
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if(clientSub == null || !clientSub.isConnected()){
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throw new Exception("Mqtt连接池获得订阅连接不可用");
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}
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for(int i = 0; i < this.configVo.subTopics.length; i++){
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clientSub.subscribe(this.configVo.subTopics[i], this.configVo.topicsQos[i], new MqttMessageListener());
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}
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}
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public void stop()throws Exception{
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if(this.pool != null){
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// 关闭连接池
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this.pool.close();
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}
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}
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public MqttClient popMqttClient() throws Exception{
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return this.pool.popClient();
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}
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public void pushMqttClient(MqttClient client) {
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this.pool.pushClient(client);
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}
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public void publishMsg(MqttClient client, String topic, byte[] msg) throws Exception{
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client.publish(topic, msg, this.configVo.publishQos, false);
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}
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public void publishMsg(MqttClient client, String topic, String msg) throws Exception{
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byte[] bs = msg.getBytes("UTF-8") ;
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client.publish(topic, bs, this.configVo.publishQos, false);
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}
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public boolean poolIsClose(){
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if(this.pool == null){
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return true;
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}
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return this.pool.isClose();
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}
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}
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