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using NLog;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using uPLibrary.Networking.M2Mqtt.Utility;
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using uPLibrary.Networking.M2Mqtt;
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using uPLibrary.Networking.M2Mqtt.Messages;
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using POSV.MessageEvent;
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using POSV.MsgCenter;
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using POSV.OtherWaiMai;
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namespace POSV.Utils
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{
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/// <summary>
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/// zhangy Add 2020-01-16 发现该类没有被使用，已经被pengjd迁移到POSV.Proxy包中,
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/// </summary>
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public class MqttClientUtils
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{
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private static object _lock = new object();
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private static Logger logger = NLog.LogManager.GetCurrentClassLogger();
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private static MqttClientUtils _instance = null;
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private MqttClient mqttClient = null;
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private System.Timers.Timer _reconnectTimer;
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private Action<MqttMsgPublishEventArgs> _action = null;
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public static MqttClientUtils Instance
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{
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get
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{
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if (_instance == null)
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{
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lock (_lock)
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{
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_instance = new MqttClientUtils();
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}
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}
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return _instance;
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}
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}
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private bool isRunning = false;
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private void Reconnect()
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{
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bool isException = false;
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try
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{
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if (isRunning)
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{
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logger.Info("连接mqtt正在运行，忽略本次执行");
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isException = true;
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return;
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}
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isRunning = true;
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logger.Info("尝试连接外卖消息中心.....");
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this.mqttClient = new MqttClient("116.62.57.54" , 18830 , false , null , null , MqttSslProtocols.None);
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this.mqttClient.ConnectionClosed -= OnMqttConnectionClosed;
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this.mqttClient.ConnectionClosed += OnMqttConnectionClosed;
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this.mqttClient.MqttMsgSubscribed -= OnMqttMsgSubscribed;
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this.mqttClient.MqttMsgSubscribed += OnMqttMsgSubscribed;
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this.mqttClient.MqttMsgPublishReceived -= OnMqttMsgPublishReceived;
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this.mqttClient.MqttMsgPublishReceived += OnMqttMsgPublishReceived;
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string clientId = string.Format("{0}-{1}-{2}-{3}" , "cy2" , Global.Instance.Worker.TenantId , Global.Instance.Worker.StoreInfo.Id , Global.Instance.Authc.PosNo);
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//默认的用户名和密码连接，为MQTT消息中心启用密码访问准备
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this.mqttClient.Connect(clientId , Global.Instance.Authc.PosNo , Global.Instance.Authc.PosId , false , 30);
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}
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catch (Exception ex)
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{
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isException = true;
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this.mqttClient = null;
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logger.Error(ex , "外卖消息中心连接异常");
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}
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finally
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{
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//没有异常发生
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if (!isException)
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{
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logger.Info("连接外卖消息中心成功.....");
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this.mqttClient.Subscribe(this.Topics.Item1 , this.Topics.Item2);
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}
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isRunning = false;
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}
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}
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private void OnMqttMsgSubscribed(object sender , MqttMsgSubscribedEventArgs e)
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{
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logger.Info("订阅外卖消息中心<{0}>..." , e.MessageId);
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}
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private void OnMqttConnectionClosed(object sender , EventArgs e)
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{
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logger.Info("断开外卖消息中心连接...");
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}
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public bool IsMqttConnected
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{
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get
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{
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return this.mqttClient != null && this.mqttClient.IsConnected;
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}
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}
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private void ReconnectCallback(object sender, System.Timers.ElapsedEventArgs e)
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{
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if (this.IsMqttConnected)
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{
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logger.Info("外卖消息中心连接状态:<{0}>,{1}" , this.mqttClient.IsConnected , this.mqttClient.ClientId);
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}
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else
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{
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this.Reconnect();
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}
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}
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////使用方式
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//var action = new Action<MqttMsgPublishEventArgs>((args) => {
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// LOGGER.Info("收到消息通知:<{0}>,{1}", args.Topic, Encoding.UTF8.GetString(args.Message));
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//});
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//MqttClientUtils.Instance.ReceiveMessage(action);
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/// <summary>
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/// 处理收到的消息
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/// </summary>
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/// <param name="action"></param>
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public void ReceiveMessage(Action<MqttMsgPublishEventArgs> action)
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{
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this._action = action;
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}
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void OnMqttMsgPublishReceived(object sender, MqttMsgPublishEventArgs e)
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{
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logger.Info(Encoding.UTF8.GetString(e.Message));
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string message = Encoding.UTF8.GetString(e.Message);
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string topic = e.Topic;
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if (topic.StartsWith("program"))
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{
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//JwWeiXinOrderFrom
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logger.Info("巨为小程序订单消息来了==========>{0}", message);
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OnMessageReceived?.Invoke(sender, new MessageEventArgs(1, message));
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}
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if (topic.StartsWith("waimai"))
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{
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OtherWaiMaiApi.sendWaiMaiMessage(message);
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logger.Info("外卖订单来了==========>{0}", message);
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OnMessageReceived?.Invoke(sender, new MessageEventArgs(0, message));
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}
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if (topic.StartsWith("weixin"))
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{
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OtherWaiMaiApi.sendWeixinMessage(message);
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logger.Info("微信H5订单消息来了==========>{0}", message);
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OnMessageReceived?.Invoke(sender, new MessageEventArgs(1, message));
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}
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if (topic.StartsWith("qimai"))
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{
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OtherWaiMaiApi.sendQiMaiMessage(message);
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logger.Info("企迈小程序订单消息来了==========>{0}", message);
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OnMessageReceived?.Invoke(sender, new MessageEventArgs(1, message));
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}
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this._action?.Invoke(e);
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}
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public ushort Subscribe(string topics)
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{
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return this.mqttClient.Subscribe(new string[] { topics }, new byte[] { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE });
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}
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public ushort Subscribe(string[] topics, byte[] levels)
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{
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return this.mqttClient.Subscribe(topics, levels);
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}
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public ushort Publish(string topic, string message)
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{
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return this.mqttClient.Publish(topic, Encoding.UTF8.GetBytes(message), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
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}
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public delegate void EventHandler(object sender, MessageEventArgs e);
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public event EventHandler OnMessageReceived;
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private Tuple<string[] , byte[]> Topics
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{
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get
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{
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string waimai = string.Format("{0}/{1}/{2}/{3}" , "waimai" , "cy2", Global.Instance.Worker.TenantId , Global.Instance.Worker.StoreInfo.Id);
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string weixin = string.Format("{0}/{1}/{2}/{3}" , "weixin" , "cy2", Global.Instance.Worker.TenantId , Global.Instance.Worker.StoreInfo.Id);
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string qimai = string.Format("{0}/{1}/{2}/{3}", "qimai", "cy2", Global.Instance.Worker.TenantId, Global.Instance.Worker.StoreInfo.Id);
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string program = string.Format("{0}/{1}/{2}/{3}", "program", "cy2", Global.Instance.Worker.TenantId, Global.Instance.Worker.StoreInfo.Id);
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string[] topics = { waimai , weixin, qimai, program };
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byte[] levels = { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE , MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE };
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return new Tuple<string[] , byte[]>(topics , levels);
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}
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}
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/// <summary>
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/// 启动任务
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/// </summary>
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public void Startup()
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{
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try
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{
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if (this._reconnectTimer == null)
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{
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this._reconnectTimer = new System.Timers.Timer();
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}
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//设置定时间隔(毫秒为单位)
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this._reconnectTimer.Interval = 55000;
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//设置执行一次（false）还是一直执行(true)
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this._reconnectTimer.AutoReset = true;
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//设置是否执行System.Timers.Timer.Elapsed事件
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this._reconnectTimer.Enabled = true;
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//绑定Elapsed事件
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this._reconnectTimer.Elapsed += ReconnectCallback;
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logger.Info("初始化外卖消息中心......");
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}
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catch (Exception ex)
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{
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logger.Info(ex , "外卖消息中心启动异常");
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}
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finally
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{
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Reconnect();
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}
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}
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/// <summary>
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/// 停止任务
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/// </summary>
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public void Stop()
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{
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if (this.IsMqttConnected)
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{
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//取消订阅
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this.mqttClient.Unsubscribe(this.Topics.Item1);
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//断开连接
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this.mqttClient.Disconnect();
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//关闭时间
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this._reconnectTimer.Stop();
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}
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}
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}
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public class MessageEventArgs : EventArgs
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{
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private readonly int _type;
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private readonly string _message;
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public MessageEventArgs(int type, string message)
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{
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this._type = type;
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this._message = message;
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}
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public string Message
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{
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get
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{
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return _message;
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}
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}
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public int Type
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{
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get
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{
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return _type;
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}
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}
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}
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}
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