~wxr/CrabtreeOn.git

			@@ -11,7 +11,6 @@
			using System.Text;
			using System.Security.Cryptography;
			using System.IO;
			using Shared.SimpleControl.Phone;

			namespace SmartHome
			{
			@@ -22,488 +21,482 @@
			/// </summary>
			public static bool IfDEBUG = false;

			/// <summary>
			/// 加密通讯KEY
			/// </summary>
			static string mqttEncryptKey = "";
			static string checkGatewayTopicBase64 = "";
			static RemoteMACInfo CurRemoteMACInfo = null;
			static MqttInfo mMqttInfo = null;
			public static bool IsGatewayOnline = true;
			//static string checkGatewayTopicBase64 = "";

			/// <summary>
			/// 手机标识
			/// 挤下线主题
			/// </summary>
			static Guid currentGuid = Guid.NewGuid ();
			static readonly string PushNotifySqueeze = "/Push/NotifySqueeze";

			///// <summary>
			///// 挤下线主题
			///// </summary>
			//static readonly string TopicToApp = "/Push/NotifySqueeze";


			/// <summary>
			/// 外网的MQTT是否正在连接
			/// 随机Key
			/// </summary>
			/// <summary>
			/// 远程MqttClient
			/// </summary>
			static string RandomKey = "";

			static string GetRandomKey ()
			{
			if (string.IsNullOrEmpty (RandomKey)) {
			//随机2位字符串
			RandomKey = Utlis.CreateRandomString (2);
			}

			return RandomKey;

			}

			/// <summary>
			/// 远程MqttClient
			/// </summary>
			public static IMqttClient RemoteMqttClient = new MqttFactory ().CreateMqttClient ();

			//static bool thisShowTip = true;
			static string mqttRequestParToken = "";

			static MqttCommon ()
			{
			InitMqtt ();
			//InitCheckGateway ();
			}

			/// <summary>
			/// 保活重连和重订阅线程
			/// </summary>
			/// <returns></returns>
			public static async System.Threading.Tasks.Task InitMqtt ()
			{
			new System.Threading.Thread (async () => {
			while (true) {
			try {
			System.Threading.Thread.Sleep (200);
			if (!CommonPage.IsRemote) continue;

			if (Control.IsEnterBackground) continue;

			await StartCloudMqtt ();
			await CheckingSubscribeTopics ();
			} catch { }

			}
			}) { IsBackground = true }.Start ();
			}

			public static void InitState ()
			{
			IfNeedReadAllDeviceStatus = true;
			bNeedStartTip = true;
			IsGatewayOnline = false;
			StartCloudMqtt ();
			}


			/// <summary>
			/// 是否订阅成功
			/// </summary>
			static bool isSubscribeTopicSuccess = false;
			/// <summary>
			/// 检查主题是否订阅失败
			/// </summary>
			/// <returns></returns>
			static async Task CheckingSubscribeTopics ()
			{
			if (!remoteIsConnected) {
			return;
			}
			try {
			if (!isSubscribeTopicSuccess) {


			var topicFilterCommon = new TopicFilter () {
			Topic = $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/Common/#",
			QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			};

			//网关重新登录主题
			var topicFilterGateWayInfoChange = new TopicFilter () {
			Topic = $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/NotifyBusGateWayInfoChange",
			QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			};

			//挤下线主题
			var topicFilterNotifySqueeze = new TopicFilter () {
			Topic = $"/BusGateWayToClient/{mMqttInfo.connEmqClientId}/Push/NotifySqueeze",
			QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			};

			//网关掉线主题
			var topicFilterNotifyGateWayOffline = new TopicFilter () {
			Topic = $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/NotifyGateWayOffline",
			QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			};


			var topicFilters = new TopicFilter [] { topicFilterCommon, topicFilterGateWayInfoChange, topicFilterNotifySqueeze, topicFilterNotifyGateWayOffline };
			var result = await RemoteMqttClient.SubscribeAsync (topicFilters);
			if (result.Items [0].ResultCode == MQTTnet.Client.Subscribing.MqttClientSubscribeResultCode.GrantedQoS2) {
			isSubscribeTopicSuccess = true;
			}

			////2020-06-22 通用主题
			//var topicFilterMacMark = new TopicFilter () {
			// Topic = $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/#",
			// QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			//};

			////挤下线主题
			//var topicFilterNotifySqueeze = new TopicFilter () {
			// Topic = $"/BusGateWayToClient/{mMqttInfo.connEmqClientId}/Push/NotifySqueeze",
			// QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			//};

			//var topicFilters = new TopicFilter [] { topicFilterMacMark, topicFilterNotifySqueeze };
			//var result = await RemoteMqttClient.SubscribeAsync (topicFilters);
			//if (result.Items [0].ResultCode == MQTTnet.Client.Subscribing.MqttClientSubscribeResultCode.GrantedQoS2) {
			// isSubscribeTopicSuccess = true;
			//}
			}
			} catch (Exception ex) {


			}
			}


			/// <summary>
			/// 断开远程Mqtt的链接
			/// </summary>
			public static async System.Threading.Tasks.Task DisConnectRemoteMqttClient (string s = "")
			{
			try {
			if (remoteIsConnected) {
			remoteIsConnected = false;
			Utlis.WriteLine ($"============>MqttRemote主动断开_{s}");
			//await RemoteMqttClient.DisconnectAsync(new MQTTnet.Client.Disconnecting.MqttClientDisconnectOptions { }, CancellationToken.None);
			await RemoteMqttClient.DisconnectAsync ();
			if (CommonPage.IsRemote) {
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudUnlink);
			}
			//Utlis.WriteLine ($"============>MqttRemoteDisConnectRemoteMqttClient");

			}
			} catch (Exception e) {
			Utlis.WriteLine ($"============>MqttRemote断开通讯连接出异常:{e.Message}");
			}
			}
			static DateTime dateTime = DateTime.MinValue;

			/// <summary>
			/// 推送标识
			/// </summary>
			static string PushSignStr = System.DateTime.Now.Ticks.ToString ();

			/// <summary>
			/// 断开远程Mqtt的链接
			/// </summary>
			static async System.Threading.Tasks.Task DisConnectRemoteMqttClient (string s = "")
			{
			try {
			if (remoteIsConnected) {
			remoteIsConnected = false;
			isSubscribeSuccess = false;
			Shared.Utlis.WriteLine ($"Remote主动断开_{s}");
			//await RemoteMqttClient.DisconnectAsync(new MQTTnet.Client.Disconnecting.MqttClientDisconnectOptions { }, CancellationToken.None);
			await RemoteMqttClient.DisconnectAsync ();

			if (CommonPage.IsRemote) {
			//不是无网络
			if (UserConfig.Instance.internetStatus != 0) {
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudUnlink);
			}
			}
			}
			} catch (Exception e) {
			Shared.Utlis.WriteLine ($"Remote断开通讯连接出异常:{e.Message}");
			}
			}

			/// <summary>
			/// 断开远程Mqtt的链接
			/// </summary>
			static async Task DisConnectRemoteMqttClientWhenStart (string s = "")
			{
			try {
			//if (remoteIsConnected) {
			remoteIsConnected = false;
			isSubscribeSuccess = false;
			Shared.Utlis.WriteLine ($"RemoteStart主动断开_{s}");
			await RemoteMqttClient.DisconnectAsync ();

			//}
			} catch (Exception e) {
			Shared.Utlis.WriteLine ($"RemoteStart断开通讯连接出异常:{e.Message}");
			}

			}


			/// <summary>
			/// 断开mqtt连接
			/// </summary>
			/// <param name="s">断开原因</param>
			/// <param name="reset">是否需要去中心服务器重新获取参数</param>
			/// <returns></returns>
			public static async Task DisConnectRemote (string s = "", bool reset = true)
			{
			if (reset) {
			bNeedStartTip = true;
			bNeedConnectTip = true;
			CommonConfig.Current.IfGetMqttInfoSuccess = false;
			}
			await DisConnectRemoteMqttClient (s);
			}

			//static DateTime dateTime = DateTime.MinValue;
			/// <summary>
			/// 外网的MQTT是否正在连接
			/// </summary>
			public static bool remoteMqttIsConnecting;
			static bool remoteIsConnected;

			static MqttCommon ()
			{
			InitMqtt ();
			}

			public static bool IsInitMqtt = false;

			///// <summary>
			///// 测试
			///// 定时发送 000E
			///// </summary>
			///// <returns></returns>
			//static void InitCheckGateway ()
			//{
			// new System.Threading.Thread (async () => {
			// while (true) {
			// try {

			// if (!CommonPage.IsRemote) {
			// if (GatewayCommon != null) {
			// Control.ControlBytesSend (Command.ReadRemark, GatewayCommon.SubnetID, GatewayCommon.DeviceID, new byte [] { });
			// Console.WriteLine ("发送000E ");
			// }
			// }
			// System.Threading.Thread.Sleep (55000);
			// } catch { }

			// }
			// }) { IsBackground = true }.Start ();
			//}


			//static Thread MQTTThread;

			//static void InitMqtt ()
			//{

			// remoteMqttIsConnecting = false;
			// if (MQTTThread != null)
			// MQTTThread.Abort ();

			// MQTTThread = new System.Threading.Thread (async () => {
			// while (true) {
			// try {
			// System.Threading.Thread.Sleep (200);
			// //if (!MainPage.LoginUser.IsLogin) {
			// // continue;
			// //}
			// if (!CommonPage.IsRemote) continue;

			// await StartCloudMqtt ();
			// await SubscribeTopics ();
			// } catch { }
			// }
			// }) { IsBackground = true };

			// MQTTThread.Start ();
			//}

			static void InitMqtt ()
			{
			new System.Threading.Thread (async () => {
			while (true) {
			try {
			System.Threading.Thread.Sleep (500);
			//if (!MainPage.LoginUser.IsLogin) {
			// continue;
			//}

			if (!CommonPage.IsRemote) continue;

			if (Control.IsEnterBackground) continue;

			await StartCloudMqtt ();
			await SubscribeTopics ();
			} catch { }
			}
			}) { IsBackground = true }.Start ();
			}

			/// <summary>
			/// 初始化状态
			/// </summary>
			public static void InitState ()
			{
			IfNeedReadAllDeviceStatus = true;
			bNeedStartTip = true;
			bNeedConnectTip = true;
			IsGatewayOnline = false;
			StartCloudMqtt ();

			}

			static bool isSubscribeSuccess;
			static async Task SubscribeTopics ()
			{
			if (remoteIsConnected && !isSubscribeSuccess) {
			try {

			//var topicFilterPush = new TopicFilter { QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce,
			// Topic = $"/BusGateWayToClient/{CommonConfig.Instance.CurRemoteMACInfo.clientId}/Push/NotifySqueeze" };

			//2020-05-14 订阅主题质量改为0
			var topicFilterBusGateWayToClient = new MqttTopicFilter () {
			Topic = $"/BusGateWayToClient/{CommonConfig.Current.HomeGatewayInfo.gatewayId}/#",
			QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
			//QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			};

			var topicFilterPush2 = new MqttTopicFilter {
			Topic = $"/BusGateWayToClient/{MainPage.LoginUser.ID}/#",
			QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce,
			//QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce
			};

			Utlis.WriteLine ("开始订阅！");
			var result = await RemoteMqttClient.SubscribeAsync (new MqttTopicFilter [] { topicFilterBusGateWayToClient, topicFilterPush2 });
			if (result.Items [0].ResultCode == MQTTnet.Client.Subscribing.MqttClientSubscribeResultCode.GrantedQoS0) {
			isSubscribeSuccess = true;
			Utlis.WriteLine ("订阅成功！");

			MqttRemoteSend (new byte [] { 0 }, 3);

			//读取搜索网关，判断网关是否在线
			CheckGatewaysIfOnline ();

			////连接成功后检测是否需要通过远程获取Key
			//CheckIfNeedGetLocalPasswordFromRemote ();
			}


			} catch (Exception ex) {
			Console.WriteLine ("订阅catch:" + ex.Message.ToString ());
			}
			}
			}

			static DateTime mFlagDateTime;

			//static readonly object SendLocker = new object ();
			/// <summary>
			/// 启动远程Mqtt
			/// </summary>
			public static async System.Threading.Tasks.Task StartCloudMqtt ()
			public static async Task StartCloudMqtt ()
			{

			if (UserConfig.Instance.internetStatus == 0) {
			return;
			}

			if (!MainPage.LoginUser.IsLogin) {
			return;
			}

			//追加：没有远程连接的权限
			if (remoteMqttIsConnecting \|\| remoteIsConnected) {
			return;
			}

			//lock (SendLocker) {
			// remoteMqttIsConnecting = true;
			//}
			remoteMqttIsConnecting = true;
			await System.Threading.Tasks.Task.Factory.StartNew (async () => {
			#if DEBUG
			Shared.Utlis.WriteLine ($"StartCloudMqtt: 开始");
			#endif

			await Task.Factory.StartNew (async () => {
			try {
			//lock (RemoteMqttClient) {
			//表示后面将进行连接
			// //表示后面将进行连接
			// remoteMqttIsConnecting = true;

			#region 初始化远程Mqtt
			//2020-06-22 增加

			RemoteMqttClient = new MqttFactory ().CreateMqttClient ();

			//(3)当[连接云端的Mqtt成功后]或者[以及后面App通过云端Mqtt转发数据给网关成功后],处理接收到云端数据包响应时在mqttServerClient_ApplicationMessageReceived这个方法处理
			if (RemoteMqttClient.ApplicationMessageReceivedHandler == null) {
			RemoteMqttClient.UseApplicationMessageReceivedHandler (async (e) => {
			try {
			if (!RemoteMqttClient.IsConnected \|\| !CommonPage.IsRemote) {
			return;
			}
			var aesDecryptTopic = e.ApplicationMessage.Topic;
			var aesDecryptPayload = e.ApplicationMessage.Payload;
			//Utlis.WriteLine ("Topic={0}", aesDecryptTopic);

			//if (aesDecryptTopic == $"NotifyBusGateWayInfoChagne/{CurRemoteMACInfo.md5_mac_string}") {//网关上线，需要更新aeskey
			//2020-01-11 修改订阅主题地址
			if (aesDecryptTopic == $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/NotifyBusGateWayInfoChange") {//网关上线，需要更新aeskey //----第二步：读取账号下面的网关列表
			await ReceiveNotifyBusGateWayInfoChange ();
			} else if (aesDecryptTopic == $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/NotifyGateWayOffline") {//网关掉线 //----第二步：读取账号下面的网关列表
			//(1)当[连接云端的Mqtt成功后]或者[以及后面App通过云端Mqtt转发数据给网关成功后],处理接收到云端数据包响应时在mqttServerClient_ApplicationMessageReceived这个方法处理
			if (RemoteMqttClient.ApplicationMessageReceivedHandler == null) {
			RemoteMqttClient.UseApplicationMessageReceivedHandler ((e) => {
			try {
			var topic = e.ApplicationMessage.Topic;
			if (topic == $"/BusGateWayToClient/{MainPage.LoginUser.ID}" + PushNotifySqueeze) {
			var mMes = CommonPage.MyEncodingUTF8.GetString (e.ApplicationMessage.Payload);
			//新挤下线主题方案收到挤下线主题
			ReceiveNotifySqueezeAsync (mMes);
			} else if (topic == $"/BusGateWayToClient/{CommonConfig.Current.HomeGatewayInfo.gatewayId}/NotifyBusGateWayInfoChange") {//网关上线，需要更新aeskey
			//收到网关上线消息主题
			ReceiveNotifyBusGateWayInfoChange ();
			} else if (topic == $"/BusGateWayToClient/{CommonConfig.Current.HomeGatewayInfo.gatewayId}/NotifyGateWayOffline") {//网关掉线 //----第二步：读取账号下面的网关列表
			ReceiveNotifyGateWayOffline ();
			} else if (aesDecryptTopic == $"/BusGateWayToClient/{mMqttInfo.connEmqClientId}/Push/NotifySqueeze") {//订阅挤下线问题
			await ReceiveNotifySqueezeAsync (aesDecryptPayload);
			} else if (aesDecryptTopic == $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/Common/CheckGateway") {
			ReceiveCheckGatewayTopic ();
			} else if (topic == $"/BusGateWayToClient/{CommonConfig.Current.HomeGatewayInfo.gatewayId}/Common/CheckGateway") {
			var ss = CommonPage.MyEncodingUTF8.GetString (e.ApplicationMessage.Payload);
			ReceiveCheckGateway (ss);
			} else {

			SetGatewayOnlineResetCheck ();

			if (!string.IsNullOrEmpty (mqttEncryptKey)) {
			aesDecryptPayload = Shared.Securitys.EncryptionService.AesDecryptPayload (e.ApplicationMessage.Payload, mqttEncryptKey);
			}

			var packet = new Packet ();

			if (!string.IsNullOrEmpty (mqttEncryptKey)) {
			packet.Bytes = Shared.Securitys.EncryptionService.AesDecryptPayload (e.ApplicationMessage.Payload, mqttEncryptKey);
			} else {
			packet.Bytes = e.ApplicationMessage.Payload;
			}
			packet.IsLocal = false;
			packet.Bytes = aesDecryptPayload;
			packet.Manager ();

			}

			} catch { }
			});
			}

			//(2)DisconnectedHandler
			if (RemoteMqttClient.DisconnectedHandler == null) {
			RemoteMqttClient.UseDisconnectedHandler (async (e) => {
			Utlis.WriteLine ($"============>Mqtt远程连接断开");
			isSubscribeTopicSuccess = false;
			await DisConnectRemoteMqttClient ("StartRemoteMqtt.DisconnectedHandler");
			Shared.Utlis.WriteLine ($"远程连接断开");
			isSubscribeSuccess = false;
			await DisConnectRemoteMqttClient ("UseDisconnectedHandler");

			});
			}
			//(3)ConnectedHandler
			if (RemoteMqttClient.ConnectedHandler == null) {
			RemoteMqttClient.UseConnectedHandler (async (e) => {
			//IfNeedReadAllDeviceStatus = true;
			mCheckGatewayTime = DateTime.Now;
			CheckGatewayCount = 0;
			bNeedStartTip = true;
			IfNeedReadAllDeviceStatus = true;
			bNeedStartTip = true;//
			bNeedConnectTip = true;
			Shared.Utlis.WriteLine ($"============>Mqtt远程连接成功");
			SendPushSignOut ();

			Utlis.WriteLine ($"============>Mqtt远程连接成功");
			if (CommonPage.IsRemote) {
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudLink);
			}

			if (CurRemoteMACInfo != null) {
			IsGatewayOnline = CurRemoteMACInfo.isValid != "InValid";
			if (!IsGatewayOnline) {
			//网关不在线
			if (CommonPage.IsRemote) {
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudOffline);
			}
			MainPage.AddTip ("Remote failed,gateway offline");
			} else {
			//Remote Connection Succeeded
			//网关在线
			//重新一次所有设备状态
			IfNeedReadAllDeviceStatus = false;
			Shared.SimpleControl.Phone.UserMiddle.ReadAllDeviceStatus ();
			//
			MqttRemoteSend (new byte [] { 0 }, 3);

			if (CommonPage.IsRemote) {
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.LinkSuccess));
			}
			}
			}
			//if (CommonPage.IsRemote) {
			// //Utlis.ShowAppLinkStatus (AppLinkStatus.CloudLink);
			// MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.LinkSuccess));
			//}
			});
			}
			#endregion
			//}
			//提示正在获取连接参数..."
			ShowStartTip ();
			mqttRequestParToken = MainPage.LoginUser.LoginTokenString;
			//--判断是当前是否分享的住宅
			if (!UserConfig.Instance.CurrentRegion.IsOthreShare) {
			//主账号获取MQTT 远程链接信息，并连接
			await GetMqttInfoAndMQTTConnectAsync ();

			//(4)===========开始连接过程==========
			//之前已经获取参数成功过
			if (CommonConfig.Current.IfGetMqttInfoSuccess) {
			//判断是否需要重新获取
			await CheckMQTTConnectAsync ();
			} else {
			//如果是分享过来的住宅走下面流程
			await GetShareMqttInfoAndMQTTConnectAsync ();
			//开始获取远程连接参数
			await StartMQTTGetInfo ();
			}

			} catch (Exception ex) {
			//Utlis.WriteLine ($"============>Mqtt 远程连接通讯连接出异常:{ex.Message}");

			MainPage.LoadingTipShow ("Connect error, trying to reconnect.");

			Shared.Utlis.WriteLine ($"error:" + ex.Message);
			if (IfDEBUG) {
			MainPage.ShowAlertOnMainThread ("error: " + ex.Message);
			}

			} finally {
			//最终要释放连接状态
			remoteMqttIsConnecting = false;

			MainPage.LoadingTipHide ();
			//lock (SendLocker) {
			// remoteMqttIsConnecting = false;
			//}

			//MainPage.LoadingHide ();
			//连接成功才关闭Loading
			if (remoteIsConnected) {
			MainPage.LoadingTipHide ();
			ERRORCount = 0;
			} else {
			ERRORCount++;
			//每5次重新提示一次
			if (ERRORCount > 5) {
			ERRORCount = 0;
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.RemoteFailure));
			MainPage.LoadingTipHide ();

			}
			}

			#if DEBUG
			Shared.Utlis.WriteLine ($"StartCloudMqtt: 结束");
			#endif
			}

			});
			}

			//static bool


			/// <summary>
			/// 主账号获取MQTT 远程链接信息，并连接
			/// 检查网关是否在线线程
			/// </summary>
			/// <returns></returns>
			static async Task GetMqttInfoAndMQTTConnectAsync ()
			static System.Threading.Thread CheckGatewaysThead;
			/// <summary>
			/// 网关对象
			/// </summary>
			public static Common GatewayCommon;
			/// <summary>
			/// 检查网关是否在线
			/// </summary>
			static void CheckGatewaysIfOnline ()
			{
			var mqttInfoRequestPar = new GetConnMqttInfoObj () {
			LoginAccessToken = MainPage.LoginUser.LoginTokenString,
			PlatformStr = "L1",
			PublishPayloadJsonStr = PushSignStr,
			Mac = UserConfig.Instance.GatewayMAC,
			};
			//----第一步：获取mqtt链接参数
			var mqttInfoRequestResult = MainPage.RequestHttps (API.GetConnMqttInfo, Newtonsoft.Json.JsonConvert.SerializeObject (mqttInfoRequestPar));
			if (GatewayCommon == null) return;

			if (mqttInfoRequestResult != null && mqttInfoRequestResult.ResponseData != null) {
			try {
			var mqttInfoRequestResult_Obj = Newtonsoft.Json.JsonConvert.DeserializeObject<MqttInfo> (mqttInfoRequestResult.ResponseData.ToString ());
			try {
			//提示搜索网关中
			MainPage.LoadingTipShow (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.CheckingGatewayIsOnline));

			if (mqttInfoRequestResult_Obj != null) {
			mMqttInfo = mqttInfoRequestResult_Obj;
			string url = mqttInfoRequestResult_Obj.connEmqDomainPort;
			string clientId = mqttInfoRequestResult_Obj.connEmqClientId;
			string username = mqttInfoRequestResult_Obj.connEmqUserName;
			string passwordRemote = mqttInfoRequestResult_Obj.connEmqPwd;
			if (mqttInfoRequestResult_Obj.AccountAllGateways != null && mqttInfoRequestResult_Obj.AccountAllGateways.Count > 0) {
			//----第二步找出是否存在匹配当前住宅的mac，存在再进行远程。
			CurRemoteMACInfo = mqttInfoRequestResult_Obj.AccountAllGateways.Find ((obj) => obj.mac == UserConfig.Instance.GatewayMAC);
			if (CurRemoteMACInfo != null) {
			CurRemoteMACInfo.LoginAccessToken = MainPage.LoginUser.LoginTokenString;
			CurRemoteMACInfo.clientId = clientId;
			//----第三步开始连接
			await MQTTConnectAsync ();
			} else {
			//Utlis.WriteLine ("============>Mqtt CurRemoteMACInfo null");
			if (CheckGatewaysThead != null)
			CheckGatewaysThead.Abort ();

			MainPage.LoadingTipShow ("Please wait, failed to get gateway parameters.");
			}
			CheckGatewaysThead = new System.Threading.Thread (() => {
			var returnBytes = Control.ControlBytesSendHasReturn (Command.ReadGateway, GatewayCommon.SubnetID, GatewayCommon.DeviceID, new byte [] { (byte)new Random ().Next (255), (byte)new Random ().Next (255) });
			//隐藏提示
			MainPage.LoadingTipHide ();
			if (CommonPage.IsRemote) {
			if (returnBytes == null) {
			Application.RunOnMainThread (() => {
			IsGatewayOnline = false;
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudOffline);
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.RemoteFailedGatewayOffline));
			//发送一次CheckGateway主题
			MqttRemoteSend (new byte [] { 0 }, 3);
			});
			} else {
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.LinkSuccess));

			IsGatewayOnline = true;
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudLink);
			Console.WriteLine ("ReadGateway success");
			CheckIfNeedReadAllDeviceStatus ();
			}

			} else {
			//Utlis.WriteLine ("============>Mqtt mqttInfoRequestResult_Obj null");

			MainPage.LoadingTipShow ("Please wait, failed to get user parameters.");
			//MainPage.LoadingTipShow ("Please wait, failed to get parameters.");
			}
			} catch {
			}) { IsBackground = true };

			}
			} else {
			//Utlis.WriteLine ("============>Mqtt GetInfo 失败");
			MainPage.AddTip ("Please wait, failed to get parameters.");
			//MainPage.LoadingTipShow ("Please wait, failed to get parameters.");
			CheckGatewaysThead.Start ();
			} catch {

			}

			}


			/// <summary>
			/// 子账号获取MQTT 远程链接信息，并连接
			/// 检测是否需要发送刷新获取所有设备的命令
			/// </summary>
			/// <returns></returns>
			static async Task GetShareMqttInfoAndMQTTConnectAsync ()
			static void CheckIfNeedReadAllDeviceStatus ()
			{
			var mqttInfoRequestPar = new ShareMemberConnMqttInfoObj () {
			LoginAccessToken = mqttRequestParToken,
			PlatformStr = "L1",
			PublishPayloadJsonStr = PushSignStr,
			//MainUserDistributedMark = UserConfig.Instance.CurrentRegion.MainUserDistributedMark,
			HomeId = UserConfig.Instance.CurrentRegion.Id
			};
			var mqttInfoRequestResult = MainPage.RequestHttps (API.ShareMemberConnMqttInfo, Newtonsoft.Json.JsonConvert.SerializeObject (mqttInfoRequestPar));
			//--第一步：获取mqtt链接参数
			if (mqttInfoRequestResult != null && mqttInfoRequestResult.ResponseData != null) {
			var mqttInfoRequestResult_info = Newtonsoft.Json.JsonConvert.DeserializeObject<MqttInfo> (mqttInfoRequestResult.ResponseData.ToString ());
			if (mqttInfoRequestResult_info != null) {
			mMqttInfo = mqttInfoRequestResult_info;
			//--第二步：获取当前住分享宅网关信息并连接MQTT
			await GetSingleHomeGatewayPaggerAndMQTTConnectAsync ();
			} else {
			MainPage.LoadingTipShow ("Please wait, failed to get user parameters.");
			}
			if (IfNeedReadAllDeviceStatus) {
			Utlis.WriteLine ("ReadAllDeviceStatus");
			IfNeedReadAllDeviceStatus = false;
			Shared.SimpleControl.Phone.UserMiddle.ReadAllDeviceStatus ();
			}

			}



			//连接错误次数统计
			static int ERRORCount = 0;

			/// <summary>
			/// 连接MQTT
			/// 是否需要提示
			/// </summary>
			static async Task MQTTConnectAsync ()
			{
			if (CurRemoteMACInfo != null && mMqttInfo != null) {


			//获取参数成功，开始连接...
			//MainPage.AddTip ("Successfully obtained parameters, starting to connect...");

			MainPage.LoadingTipShow ("Please wait, connecting remotely...");

			//try {
			// var url = mMqttInfo.connEmqDomainPort;
			// var clientId = mMqttInfo.connEmqClientId;
			// var username = mMqttInfo.connEmqUserName;
			// var passwordRemote = mMqttInfo.connEmqPwd;
			// CurRemoteMACInfo.clientId = clientId;
			// CurRemoteMACInfo.LoginAccessToken = MainPage.LoginUser.LoginTokenString;
			// mqttEncryptKey = CurRemoteMACInfo.isNewBusproGateway ? CurRemoteMACInfo.aesKey : "";
			// //mqttEncryptKey = CurRemoteMACInfo.aesKey;
			// var options1 = new MQTTnet.Client.Options.MqttClientOptionsBuilder ()
			// .WithClientId (clientId)
			// .WithTcpServer (url.Split (':') [1].Substring ("//".Length), int.Parse (url.Split (':') [2]))
			// .WithCredentials (username, passwordRemote)
			// .WithCleanSession ()
			// // .WithCommunicationTimeout (new TimeSpan (0, 0, 20))
			// .Build ();

			// await DisConnectRemoteMqttClient ("StartRemoteMqtt");
			// await RemoteMqttClient.ConnectAsync (options1);
			// remoteIsConnected = true;
			// IsDisConnectingWithSendCatch = false;
			//} catch (Exception ex) {
			// Console.WriteLine ("Connect error: " + ex.Message);
			//}

			//string mes = "";
			try {

			var url = mMqttInfo.connEmqDomainPort;
			var clientId = mMqttInfo.connEmqClientId;
			var username = mMqttInfo.connEmqUserName;
			var passwordRemote = mMqttInfo.connEmqPwd;

			//mes = "step1.Set Data";
			CurRemoteMACInfo.LoginAccessToken = MainPage.LoginUser.LoginTokenString;
			mqttEncryptKey = CurRemoteMACInfo.aesKey;
			var options1 = new MQTTnet.Client.Options.MqttClientOptionsBuilder ()
			.WithClientId (clientId)
			.WithTcpServer (url.Split (':') [1].Substring ("//".Length), int.Parse (url.Split (':') [2]))
			.WithCredentials (username, passwordRemote)
			.WithCleanSession ()
			// .WithCommunicationTimeout (new TimeSpan (0, 0, 20))
			.Build ();

			//mes = "step2.DisConnect";
			await DisConnectRemoteMqttClient ("StartRemoteMqtt");
			//MainPage.AddTip ("Start to connect...");
			//mes = "step3.Start to connect";
			await RemoteMqttClient.ConnectAsync (options1);
			//mes = "step4.Connected Success";
			remoteIsConnected = true;
			IsDisConnectingWithSendCatch = false;

			MainPage.LoadingTipShow ("Remote connection succeeded.");

			//MainPage.AddTip ("Connection succeeded!");
			//await MqttRemoteSend (new byte [] { 0 }, 1);
			//await MqttRemoteSend (new byte [] { 0 }, 2);
			//await MqttRemoteSend (new byte [] { 0 }, 4);

			} catch (Exception ex) {
			//mes = ex.Message;
			//options1 异常提示
			//Console.WriteLine ("Connect error: " + ex.Message);

			MainPage.LoadingTipShow ("Connect error.");

			if (IfDEBUG) {
			MainPage.ShowAlertOnMainThread ("Connect error: " + ex.Message);
			}
			} finally {
			//MainPage.ShowAlertOnMainThread ("finally: " + mes);
			//MainPage.AddTip ("finally: " + mes);
			}

			}
			}
			static bool bNeedConnectTip = true;

			/// <summary>
			/// 从开始到连接成功，只提示1次
			@@ -517,10 +510,247 @@
			if (bNeedStartTip) {
			bNeedStartTip = false;
			if (CommonPage.IsRemote) {
			//MainPage.AddTip ("Getting remote connection parameters...");
			MainPage.LoadingTipShow ("Please wait, getting connection parameters...");
			MainPage.LoadingTipShow (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.GettingRemoteConnectionInfo));
			}
			}

			//if (CommonPage.IsRemote) {
			// //MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.GettingRemoteConnectionInfo));
			// MainPage.LoadingTipShow (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.GettingRemoteConnectionInfo));
			//}
			}

			/// <summary>
			/// 检测之前获取的Mac与当前住宅MAC是否一致不一致从新获取
			/// </summary>
			/// <returns></returns>
			static async Task CheckMQTTConnectAsync ()
			{
			try {
			if (CommonConfig.Current.HomeGatewayInfo != null && CommonConfig.Current.HomeGatewayInfo.mac == UserConfig.Instance.GatewayMAC) {
			await MQTTConnectAsync ();
			} else {
			//Mac 变化了重新获取参数
			await StartMQTTGetInfo ();
			}
			} catch {
			CommonConfig.Current.IfGetMqttInfoSuccess = false;
			}

			}

			/// <summary>
			/// 开始获取Mqtt 远程参数
			/// </summary>
			/// <returns></returns>
			static async Task StartMQTTGetInfo ()
			{
			ShowStartTip ();

			if (!CommonPage.IsRemote) {
			return;
			}

			await GetMqttInfoAndMQTTConnectAsync ();

			////--判断是当前是否分享的住宅
			//if (!UserConfig.Instance.CurrentRegion.IsOthreShare) {
			// //主账号获取MQTT 远程链接信息，并连接
			// await GetMqttInfoAndMQTTConnectAsync ();
			//} else {
			// //如果是分享过来的住宅走下面流程
			// //--第一步：获取当前住分享宅网关信息并连接MQTT
			// await GetSingleHomeGatewayPaggerAndMQTTConnectAsync ();
			//}
			}


			/// <summary>
			/// 连接MQTT
			/// </summary>
			static async Task MQTTConnectAsync ()
			{

			if (!CommonPage.IsRemote) {
			return;
			}

			if (CommonConfig.Current.HomeGatewayInfo != null && CommonConfig.Current.mMqttInfo != null) {
			if (bNeedConnectTip) {
			bNeedConnectTip = false;
			MainPage.LoadingTipShow (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.GetSuccessfullyStartConnecting));
			}

			try {

			var url = CommonConfig.Current.mMqttInfo.url;

			//url = HttpUtil.GetProxyEMQUrl (url);
			//#if DEBUG
			// url = HttpUtil.GetProxyEMQUrl (url);

			//#endif
			var clientId = CommonConfig.Current.mMqttInfo.clientId;
			var username = CommonConfig.Current.mMqttInfo.userName;
			var passwordRemote = CommonConfig.Current.mMqttInfo.passWord;
			//获取参数成功，保存到本地并标记为true
			CommonConfig.Current.IfGetMqttInfoSuccess = true;
			CommonConfig.Current.Save ();

			mqttEncryptKey = CommonConfig.Current.HomeGatewayInfo.aesKey;

			var options1 = new MQTTnet.Client.Options.MqttClientOptionsBuilder ()
			.WithClientId (clientId)
			.WithTcpServer (url.Split (':') [1].Substring ("//".Length), int.Parse (url.Split (':') [2]))
			.WithCredentials (username, passwordRemote)
			.WithCleanSession ()
			.WithProtocolVersion (MQTTnet.Formatter.MqttProtocolVersion.V311)
			.WithCommunicationTimeout (new TimeSpan (0, 0, 10))
			//.WithCommunicationTimeout (new TimeSpan (0, 0, 5))
			//.WithCommunicationTimeout (new TimeSpan (0, 1, 0))
			.Build ();

			await DisConnectRemoteMqttClient ("StartRemoteMqtt");

			var mResult = await RemoteMqttClient.ConnectAsync (options1);

			if (mResult.ResultCode == MQTTnet.Client.Connecting.MqttClientConnectResultCode.Success) {
			remoteIsConnected = true;
			IsDisConnectingWithSendCatch = false;
			UnsupportedProtocolVersionCount = 0;
			} else {
			//重新中心服务器获取参数标记
			CommonConfig.Current.IfGetMqttInfoSuccess = false;
			}

			} catch (Exception ex) {

			if (ex.Message == MqttCommunicationTimedOutException) {
			Console.WriteLine ("Connect error TimedOut: " + ex.Message);
			} else {
			//重新中心服务器获取参数标记
			CommonConfig.Current.IfGetMqttInfoSuccess = false;
			Console.WriteLine ("Connect error: " + ex.Message);
			}

			//Console.WriteLine ("Connect error: " + ex.Message);
			if (IfDEBUG) {
			MainPage.ShowAlertOnMainThread ("Connect error: " + ex.Message);
			}
			} finally {

			}

			} else {
			CommonConfig.Current.IfGetMqttInfoSuccess = false;
			}

			}

			static int UnsupportedProtocolVersionCount = 0;
			static readonly string MqttCommunicationTimedOutException = "Exception of type 'MQTTnet.Exceptions.MqttCommunicationTimedOutException' was thrown.";
			//
			static readonly string UnsupportedProtocolVersion = "Connecting with MQTT server failed (UnsupportedProtocolVersion).";



			/// <summary>
			/// 收到网关上线消息
			/// </summary>
			static void ReceiveNotifyBusGateWayInfoChange ()
			{
			try {
			SetGatewayOnlineResetCheck ();
			if (CommonPage.IsRemote) {
			//#if DEBUG
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.GatewayLoginOnline));
			//#endif
			CheckIfNeedReadAllDeviceStatus ();
			}

			GetSingleHomeGatewayPaggerAndMQTTConnectAsync (false);

			} catch { }
			}

			/// <summary>
			/// 收到网关掉线信息
			/// </summary>
			static void ReceiveNotifyGateWayOffline ()
			{
			Shared.Utlis.WriteLine ("============>Mqtt GateWayOffline");
			IsGatewayOnline = false;
			if (CommonPage.IsRemote) {
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudOffline);
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.GatewayOffline));

			}
			}


			/// <summary>
			/// 收到挤下线推送
			/// </summary>
			static void ReceiveNotifySqueezeAsync (string mMes)
			{

			if (mMes == PushSignStr) return;//是自己的登录推送不处理

			//断开远程连接
			CommonPage.IsRemote = false;
			if (!MainPage.LoginUser.IsLogin) {
			return;
			}

			DisConnectRemoteMqttClient ("挤下线");

			MainPage.LoginUser.LastTime = DateTime.MinValue;
			MainPage.LoginUser.SaveUserInfo ();
			Room.Lists.Clear ();

			Application.RunOnMainThread (() => {
			Utlis.ShowAppLinkStatus (AppLinkStatus.WiFi);
			new Shared.SimpleControl.Phone.AccountLogin (MainPage.LoginUser.AccountString, "").Show ();
			SharedMethod.SharedMethod.CurPageLayout = null;
			//CommonPage.IsRemote = false;

			MainPage.LoadingTipHide ();
			MainPage.Loading.Hide ();

			new Alert (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.Tip), Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.LoggedOnOtherDevices),
			Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.Close)).Show ();
			});

			//2020-08-11 删除推送数据
			//HDLRequest.Current.PushserivceSignOut ();

			//#if HDL
			// if (!String.IsNullOrEmpty (MainPage.LoginUser.AllVisionRegisterDevUserNameGuid)) {
			// com.freeview.global.Video.Logout ();
			// }///BusGateWayToClient/320c1fea-1866-4708-8277-e2321a4dd236/NotifyGateWayInfoChange
			//#endif


			}

			/// <summary>
			/// 收到CheckGateway主题
			/// </summary>
			static void ReceiveCheckGateway (string mMes)
			{
			if (!CommonPage.IsRemote) return;

			Utlis.WriteLine ("ReceiveCheckGateway！");
			SetGatewayOnlineResetCheck ();
			}

			/// <summary>
			/// 推送挤下线主题
			/// </summary>
			static void SendPushSignOut ()
			{
			byte [] message = CommonPage.MyEncodingUTF8.GetBytes (PushSignStr);
			MqttRemoteSend (message, 4);
			}

			/// <summary>
			@@ -531,338 +761,127 @@
			/// <returns></returns>
			public static async Task MqttRemoteSend (byte [] message, int optionType = 0)
			{
			try {
			//if (!remoteIsConnected) {
			// Utlis.WriteLine ($"============>Mqtt 未连接取消发送");
			// return;
			//}
			//return;

			try {
			string topicName;
			switch (optionType) {
			case 0:
			topicName = $"/ClientToBusGateWay/{CurRemoteMACInfo.macMark}/Common/ON";
			topicName = $"/ClientToBusGateWay/{CommonConfig.Current.HomeGatewayInfo.gatewayId}/Common/ON";
			if (!string.IsNullOrEmpty (mqttEncryptKey)) {
			message = Shared.Securitys.EncryptionService.AesEncryptPayload (message, mqttEncryptKey);
			}
			await RemoteMqttClient.PublishAsync (new MqttApplicationMessage { Topic = topicName, Payload = message, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce });
			break;
			case 3:
			topicName = $"/ClientToBusGateWay/{CurRemoteMACInfo.macMark}/Common/CheckGateway";
			//Utlis.WriteLine ("CheckGateway");
			topicName = $"/ClientToBusGateWay/{CommonConfig.Current.HomeGatewayInfo.gatewayId}/Common/CheckGateway";
			Shared.Utlis.WriteLine ("CheckGateway");
			await RemoteMqttClient.PublishAsync (new MqttApplicationMessage { Topic = topicName, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce });
			break;
			case 4://发布新方案的挤下线主题
			topicName = $"/BusGateWayToClient/{MainPage.LoginUser.ID}" + PushNotifySqueeze;
			//message = CommonPage.MyEncodingUTF8.GetBytes (PushSignStr);
			await RemoteMqttClient.PublishAsync (new MqttApplicationMessage { Topic = topicName, Payload = message, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce });
			break;
			}
			} catch (Exception e) {
			// Utlis.WriteLine ($"============>Mqtt MqttRemoteSend catch");
			if (!IsDisConnectingWithSendCatch) {
			//Utlis.WriteLine ($"============>Mqtt MqttRemoteSend catch");
			if (!IsDisConnectingWithSendCatch) {
			IsDisConnectingWithSendCatch = true;
			await DisConnectRemoteMqttClient ("MqttRemoteSendCatch");
			await DisConnectRemoteMqttClient ("SendCatch");
			}

			}
			}

			/// <summary>
			/// SendCatch 后执行一次断开操作
			/// </summary>
			static bool IsDisConnectingWithSendCatch = false;

			/// <summary>
			/// 分享住宅获取当前住宅网关信息并且连接MQTT 或者刷新
			/// 2020-01-11
			/// </summary>
			static async Task GetSingleHomeGatewayPaggerAndMQTTConnectAsync (bool bNeedConnect = true)
			{

			var requestObj3 = new GetSingleHomeGatewayPaggerObj ();
			requestObj3.ReqDto.LoginAccessToken = MainPage.LoginUser.LoginTokenString;
			requestObj3.ReqDto.HomeId = UserConfig.Instance.CurrentRegion.Id;
			requestObj3.ReqDto.PageSetting.Page = 1;
			requestObj3.ReqDto.PageSetting.PageSize = 10;
			string urlHead = MainPage.RequestHttpsHost;
			if (requestObj3.IsOtherAccountCtrl) {
			urlHead = UserConfig.Instance.MasterAccountRequestBaseUrl;
			requestObj3.ReqDto.LoginAccessToken = UserConfig.Instance.MasterAccountToken;
			}

			var requestJson3 = Newtonsoft.Json.JsonConvert.SerializeObject (requestObj3);
			var revertObj3 = MainPage.RequestHttps (API.GetSingleHomeGatewayPagger, requestJson3, urlHead);
			if (revertObj3.StateCode.ToUpper () == StateCode.SUCCESS) {
			var infoResult = Newtonsoft.Json.JsonConvert.DeserializeObject<GetGatewayResult> (revertObj3.ResponseData.ToString ());
			if (bNeedConnect) {
			//2020-01-11
			UserConfig.Instance.SetNowHomeGateways (infoResult.PageData);

			//var gatewayListRequestResult_Obj = Newtonsoft.Json.JsonConvert.DeserializeObject<MqttRemoteInfo> (revertObj3.ResponseData.ToString ());
			//--找出是否存在匹配当前住宅的mac，存在再进行远程。
			if (UserConfig.Instance.CheckHomeGatewaysNotEmpty ()) {
			var mGatewayRes = infoResult.PageData.Find ((obj) => obj.GatewayUniqueId == UserConfig.Instance.HomeGateway.mac);
			if (mGatewayRes != null) {
			CurRemoteMACInfo = new RemoteMACInfo ();
			CurRemoteMACInfo.aesKey = mGatewayRes.AesKey;
			CurRemoteMACInfo.mac = mGatewayRes.GatewayUniqueId;
			CurRemoteMACInfo.macMark = mGatewayRes.MacMark;
			CurRemoteMACInfo.isValid = mGatewayRes.MqttOnlineStatus ? "Valid" : "InValid";

			await MQTTConnectAsync ();
			}


			} else {
			Utlis.WriteLine ("============>Mqtt 取消连接，当前住宅没绑定网关");
			}
			} else {
			var mGatewayRes = infoResult.PageData.Find ((obj) => obj.GatewayUniqueId == UserConfig.Instance.HomeGateway.mac);
			if (mGatewayRes != null) {
			CurRemoteMACInfo.aesKey = mGatewayRes.AesKey;
			mqttEncryptKey = CurRemoteMACInfo.aesKey;
			} else {
			MainPage.LoadingTipShow ("Please wait, failed to get gateway parameters.");
			}

			}


			}


			}
			/// <summary>
			/// 是否需要读取一次所有设备状态
			/// </summary>
			static bool IfNeedReadAllDeviceStatus = true;
			/// <summary>
			/// 收到网关上线消息
			/// </summary>
			static async Task ReceiveNotifyBusGateWayInfoChange ()
			{
			Utlis.WriteLine ("============>Mqtt 网关上线");
			SetGatewayOnlineResetCheck ();
			if (CommonPage.IsRemote) {
			public static bool IsGatewayOnline = true;
			//static int CheckGatewayCount = 0;
			//static DateTime mCheckGatewayTime;

			//#if DEBUG
			MainPage.AddTip ("Gateway login online");
			//#endif
			if (IfNeedReadAllDeviceStatus) {
			IfNeedReadAllDeviceStatus = false;
			Shared.SimpleControl.Phone.UserMiddle.ReadAllDeviceStatus ();
			}
			}
			//请求刷新一次网关加密Key
			await GetSingleHomeGatewayPaggerAndMQTTConnectAsync (false);
			}
			/// <summary>
			/// 收到网关掉线信息
			/// </summary>
			static void ReceiveNotifyGateWayOffline ()
			{
			Utlis.WriteLine ("============>Mqtt GateWayOffline");
			IsGatewayOnline = false;
			if (CommonPage.IsRemote) {
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudOffline);
			MainPage.AddTip ("Remote failed,gateway offline");
			//if (MainPage.WiFiStatus != "CrabtreeAdd/CloudUnlink.png") {
			// Utlis.ShowAppLinkStatus (AppLinkStatus.CloudUnlink);
			//}

			}
			}


			static int CheckGatewayCount = 0;
			static DateTime mCheckGatewayTime;

			/// <summary>
			/// 设置网关在线标志，并重置CheckGateway参数
			/// </summary>
			static void SetGatewayOnlineResetCheck ()
			{
			IsGatewayOnline = true;
			mCheckGatewayTime = DateTime.Now;
			CheckGatewayCount = 0;

			//mCheckGatewayTime = DateTime.Now;
			//CheckGatewayCount = 0;
			if (CommonPage.IsRemote) {
			if (MainPage.WiFiStatus != "CrabtreeAdd/CloudLink.png") {
			if (!IsGatewayOnline) {
			IsGatewayOnline = true;
			Utlis.ShowAppLinkStatus (AppLinkStatus.CloudLink);
			}
			}
			}

			//static void TipGatewayOffline () {

			//}

			// /// <summary>
			// /// 定时检测网关是否在线
			// /// 1.线程休眠间隔5s
			// /// 2.发送CheckGateway间隔为9S，收到主题刷新该时间，重置发送次数
			// /// 3.发送次数到达3次以上，则判定网关为离线状态
			// /// </summary>
			// /// <returns></returns>
			// static void InitCheckGateway ()
			// {
			// new System.Threading.Thread (async () => {
			// while (true) {
			// try {

			// if (CommonPage.IsRemote && remoteIsConnected) {
			// if (CheckGatewayCount >= 3) {
			// //连续3次没回复，判定网关超时
			// if (MainPage.WiFiStatus == "CrabtreeAdd/CloudLink.png") {
			// //IsGatewayOnline = false;
			// Utlis.ShowAppLinkStatus (AppLinkStatus.CloudOffline);
			// MainPage.AddTip ("Gateway offline!");
			// }
			// }

			// if (mCheckGatewayTime.AddSeconds (10).Ticks <= System.DateTime.Now.Ticks) {
			// mCheckGatewayTime = DateTime.Now;
			// //CheckGateway
			// MqttRemoteSend (new byte [] { }, 3);
			// CheckGatewayCount++;
			//#if DEBUG
			// Utlis.WriteLine ("CheckGateway");
			//#endif


			// }
			// }

			// System.Threading.Thread.Sleep (5500);
			// } catch { }

			// }
			// }) { IsBackground = true }.Start ();
			// }


			/// <summary>
			/// 收到CheckGateway主题
			/// 主账号获取MQTT 远程链接信息，并连接
			/// </summary>
			static void ReceiveCheckGatewayTopic () {
			//Utlis.WriteLine ("============>Mqtt CheckGateway网关回复");
			SetGatewayOnlineResetCheck ();
			}

			/// <summary>
			/// 收到挤下线推送
			/// </summary>
			static async Task ReceiveNotifySqueezeAsync (byte [] mes)
			/// <returns></returns>
			static async Task GetMqttInfoAndMQTTConnectAsync ()
			{
			Utlis.WriteLine ($"============>MqttNotifySqueeze: {ErrorCode.LoginInAnotherDevice}");
			var mMes = CommonPage.MyEncodingUTF8.GetString (mes);
			if (mMes == PushSignStr) return;//是自己的登录推送不处理
			var mqttInfoRequestResult_Obj = HttpServerRequest.Current.GetMqttRemoteInfo (GetRandomKey ());
			if (mqttInfoRequestResult_Obj != null) {
			CommonConfig.Current.mMqttInfo = mqttInfoRequestResult_Obj;
			if (UserConfig.Instance.CheckHomeGatewaysNotEmpty()) {
			//----第二步找出是否存在匹配当前住宅的mac，存在再进行远程。
			CommonConfig.Current.HomeGatewayInfo = UserConfig.Instance.HomeGateway;
			if (CommonConfig.Current.HomeGatewayInfo != null) {
			//----第三步开始连接
			await MQTTConnectAsync ();
			}
			} else {
			Utlis.WriteLine ("============>还没绑定网关");
			}

			CommonPage.IsRemote = false;

			//if (MainPage.IsOtherDevicesLogin) return;

			if (!MainPage.LoginUser.IsLogin) {
			return;
			} else {
			Utlis.WriteLine ("============>MqttInfo null");
			}

			MainPage.LoginUser.LastTime = DateTime.Now.AddDays (-30);
			MainPage.LoginUser.SaveUserInfo ();

			DisConnectRemoteMqttClient ("挤下线");

			MainPage.ShowAlertOnMainThread (ErrorCode.LoginInAnotherDevice);

			Application.RunOnMainThread (() => {
			MainPage.WiFiStatus = "CrabtreeAdd/WiFi.png";
			UserMiddle.btnLinkStatus.UnSelectedImagePath = MainPage.WiFiStatus;
			new AccountLogin ().Show ();
			});

			}


			/// <summary>
			/// 分享住宅获取当前住宅网关信息并且连接MQTT 或者刷新
			/// 2020-03-17
			/// </summary>
			static async Task GetSingleHomeGatewayPaggerAndMQTTConnectAsync (bool bNeedConnect = true)
			{

			}


			}
			}

			public class ShareMemberConnMqttInfoObj : GetConnMqttInfoObj
			{
			/// <summary>
			/// 主人用户Id
			/// </summary>
			public string MainUserDistributedMark;

			/// <summary>
			/// 分享者住宅Id
			/// </summary>
			public string HomeId;

			}

			public class GetConnMqttInfoObj : BaseRequestObj
			{
			/// <summary>
			/// HdlGatewayGatewayType 网关类型(0:一端口、1:BusproLinux 网关、2:Zigbee 网关、3:Knx网关)
			/// </summary>
			public int HdlGatewayGatewayType = 0;
			/// <summary>
			/// 设备类型字段
			/// </summary>
			public string PlatformStr = "";
			/// <summary>
			///
			/// </summary>
			public string PublishPayloadJsonStr = "";
			/// <summary>
			/// Mac
			/// </summary>
			public string Mac = "";
			}

			public class RemoteRequestParameters
			{
			public string RequestVersion;
			public int RequestSource;
			public string LoginAccessToken;
			public int RequestProtocolType;


			public string Mac = "";
			public string GroupName = "";

			}

			public class MqttRemoteInfo
			{
			public List<RemoteMACInfo> pageData;

			public int pageIndex = 0;
			public int pageSize = 10;
			public int totalCount = 3;
			public int totalPages = 1;
			public bool hasPreviousPage = false;
			public bool hasNextPage = false;
			}

			public class MqttInfo
			{
			public string connEmqDomainPort;
			public string connEmqClientId;
			public string connEmqUserName;
			public string connEmqPwd;

			public List<RemoteMACInfo> AccountAllGateways;
			}

			public class RemoteMACInfo
			{
			public string mac;
			public string macMark;
			public string isValid;
			public string aesKey;
			public bool isNewBusproGateway;
			public string groupName;
			public string projectName;
			public string userName;

			/// <summary>
			///
			/// </summary>
			public string url;
			/// <summary>
			///
			/// </summary>
			public string clientId;

			//app自定义数据
			public string md5_mac_string;
			public string LoginAccessToken;
			/// <summary>
			///
			/// </summary>
			public string userName;
			/// <summary>
			///
			/// </summary>
			public string passWord;
			}

			namespace Shared.Securitys
			@@ -983,503 +1002,6 @@
			#endregion


			}
			}

			/*
			using System.Collections.Generic;
			using System;
			using MQTTnet.Client;
			using System.Threading.Tasks;
			using Shared;
			using Shared.SimpleControl;
			using MQTTnet;
			using System.Text;
			using System.Security.Cryptography;

			namespace SmartHome
			{
			public static class MqttCommon
			{
			static string mqttEncryptKey = "";
			static string checkGatewayTopicBase64 = "";

			/// <summary>
			/// 手机标识
			/// </summary>
			static Guid currentGuid = Guid.NewGuid ();

			/// <summary>
			/// 外网的MQTT是否正在连接
			/// </summary>
			static object isConnecting = false.ToString ();
			/// <summary>
			/// 远程MqttClient
			/// </summary>
			public static IMqttClient RemoteMqttClient;

			static bool thisShowTip = true;

			public static async Task Close (bool RemoveRemoteMqttClient = false)
			{
			try {
			if (RemoteMqttClient != null) {
			//thisShowTip = true;
			await RemoteMqttClient.DisconnectAsync ();
			}
			if (RemoveRemoteMqttClient) {
			RemoteMqttClient = null;
			}
			CommonPage.IsRemote = false;
			Utlis.WriteLine ("Close Mqtt!!!");
			} catch { }
			}

			static DateTime dateTime = DateTime.MinValue;
			static int startCount = 0;

			//public static async Task ReSatart ()
			//{
			// await Close ();
			// await RemoteMqttClient.ConnectAsync (options);
			//}

			/// <summary>
			/// 启动远程Mqtt
			/// </summary>
			public static async System.Threading.Tasks.Task StartCloudMqtt ()
			{


			Application.RunOnMainThread (() => {
			if (5 < (DateTime.Now - dateTime).TotalSeconds) {
			return;
			}
			dateTime = DateTime.Now;
			});
			if (!MainPage.LoginUser.IsLogin) {
			isConnecting = false.ToString ();
			return;
			}
			while (isConnecting.ToString () == true.ToString ()) {
			if (5 < (DateTime.Now - dateTime).TotalSeconds) {
			break;
			}
			await System.Threading.Tasks.Task.Delay (500);
			}
			lock (isConnecting) {
			if (isConnecting.ToString () == true.ToString ()) {
			return;
			}
			isConnecting = true.ToString ();
			if (RemoteMqttClient != null && RemoteMqttClient.IsConnected) {
			MqttCheckGateway ();
			return;
			}
			}
			new System.Threading.Thread (async () => {
			try {
			if (RemoteMqttClient == null) {
			var requestObj3 = new GatewayByRegionListObj () { RegionID = UserConfig.Instance.CurrentRegion.RegionID };
			var requestJson3 = Newtonsoft.Json.JsonConvert.SerializeObject (requestObj3);
			var revertObj3 = MainPage.RequestHttps ("GatewayByRegionList", requestJson3, true, false);
			if (revertObj3.StateCode.ToUpper() == StateCode.SUCCESS) {
			var responseDataObj = Newtonsoft.Json.JsonConvert.DeserializeObject<List<GatewayRes>> (revertObj3.ResponseData.ToString ());
			var gatewayList = responseDataObj;
			if (gatewayList != null && gatewayList.Count > 0) {
			UserConfig.Instance.CurrentRegion.MAC = gatewayList [0].MAC;
			UserConfig.Instance.SaveUserConfig ();
			}
			} else {
			}

			//(2)创建Mqtt客户端
			RemoteMqttClient = new MqttFactory ().CreateMqttClient ();
			//(3)当[连接云端的Mqtt成功后]或者[以及后面App通过云端Mqtt转发数据给网关成功后],处理接收到云端数据包响应时在mqttServerClient_ApplicationMessageReceived这个方法处理
			RemoteMqttClient.UseApplicationMessageReceivedHandler (async e => {
			if (isConnecting.ToString () == true.ToString ())
			isConnecting = false.ToString ();
			var aesDecryptTopic = e.ApplicationMessage.Topic;
			var aesDecryptPayload = e.ApplicationMessage.Payload;
			if (aesDecryptTopic == "YouIpAndPortNoRecord" \|\| aesDecryptTopic == "DecryptFail") {// --> 你当前的IP及端口在云端不存在,请重新登录连接下!
			await Close (true);
			await MqttCheckGateway ();
			} else if (aesDecryptTopic == @"/BeingSqueezedOffline") {
			try {
			Application.RunOnMainThread (() => {
			MainPage.Loading.Start ("");
			MainPage.LoginUser.LastTime = DateTime.MinValue;
			MainPage.LoginUser.SaveUserInfo ();
			Room.Lists.Clear ();
			new Shared.SimpleControl.Phone.AccountLogin (MainPage.LoginUser.AccountString.ToLower (), "").Show ();
			MainPage.LoginUser.LastTime = System.DateTime.MinValue;
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.LinkStatusTipColor;
			if (CommonPage.IsRemote) {
			SmartHome.MqttCommon.Close (true);
			}
			var webPush = new service.hdlcontrol.com_push.WebServicePush ();
			webPush.DeleteToken_Push (UserConfig.Instance.tokenID);
			});
			} catch (Exception ex) {
			Utlis.WriteLine (ex.Message);
			} finally {
			Application.RunOnMainThread (() => {
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.LinkStatusTipColor;
			MainPage.Loading.Hide ();
			new Alert (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.Tip), Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.LoggedOnOtherDevices),
			Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.Close)).Show ();
			});
			}
			#if HDL
			if (!String.IsNullOrEmpty (MainPage.LoginUser.AllVisionRegisterDevUserNameGuid)) {
			com.freeview.global.Video.Logout ();
			}
			#endif
			} else {
			aesDecryptTopic = Shared.Securitys.EncryptionService.AesDecryptTopic (e.ApplicationMessage.Topic, mqttEncryptKey);
			aesDecryptPayload = Shared.Securitys.EncryptionService.AesDecryptPayload (e.ApplicationMessage.Payload, mqttEncryptKey);
			}
			if (aesDecryptTopic == @"/" + MainPage.LoginUser.AccountString.ToLower () + @"/CheckGateway/" + UserConfig.Instance.GatewayMAC.Replace (".", "")) {
			var ss = CommonPage.MyEncodingUTF8.GetString (aesDecryptPayload);
			var obj = Newtonsoft.Json.JsonConvert.DeserializeObject<ResponsePack> (ss);
			if (obj == null) {
			return;
			}
			switch (obj.StateCode) {
			case "HDLUdpDataForwardServerMqttClientNoOnLine":
			case "NoOnline":
			case "NetworkAnomaly"://不在线
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.RemoteFailedGatewayOffline));
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.DelColor;
			});
			break;
			case "NoRecord"://MAC不正确
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.MACError));
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.DelColor;
			});
			break;
			case StateCode.SUCCESS:
			CommonPage.IsRemote = true;
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = 0xAA69E64A;
			Shared.SimpleControl.Phone.UserMiddle.ReadAllDeviceStatus ();
			});
			MainPage.AddTip (UserConfig.Instance.CurrentRegion.RegionName + ":" + Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.LinkSuccess));
			break;
			default:
			MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.LinkLoser));
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.DelColor;
			});
			break;
			}
			} else {
			var packet = new Packet ();
			packet.Bytes = aesDecryptPayload;
			packet.Manager ();
			}
			});

			RemoteMqttClient.UseDisconnectedHandler (e => {
			//Utlis.WriteLine ("RemoteMqttClient UseDisconnectedHandler");
			if (thisShowTip) {
			if (CommonPage.IsRemote) {
			//MainPage.AddTip (Language.StringByID (Shared.SimpleControl.R.MyInternationalizationString.RemoteConnectionDisconnected));
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.DelColor;
			});
			}
			} else {
			thisShowTip = true;
			}
			});
			RemoteMqttClient.UseConnectedHandler (async e => {
			//Utlis.WriteLine ("RemoteMqttClient IsRemote");
			await MqttCheckGateway ();
			});
			}

			var requestObj = new LoginObj () { Account = MainPage.LoginUser.AccountString.ToLower (), Password = MainPage.LoginUser.Password, Company = MainPage.SoftSmsType };
			var requestJson = Newtonsoft.Json.JsonConvert.SerializeObject (requestObj);
			var tempResult = MainPage.RequestHttps ("Login", requestJson, false);
			if (tempResult == null) {
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.DelColor;
			});
			Utlis.WriteLine ($"重新连接远程通讯失败，因为获取新的KEY失败");
			return;
			}
			//var messgae = System.Text.Encoding.UTF8.GetString (tempResult);

			var responsePack = tempResult.ResponseData;// Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>> (messgae);
			//if (responsePack == null \|\| responsePack ["ResponseData"] == null) {
			// Utlis.WriteLine ("断开后重新链接需要重新登录获取连接的密码失败");
			// return;
			//}
			var dictrionaryResult = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>> (tempResult.ResponseData.ToString ());
			//var dictrionaryResult = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>> (responsePack ["ResponseData"].ToString ());
			//////还有种情况是同一个ID 有多个设备用这个id连接（会导致中断）
			mqttEncryptKey = dictrionaryResult ["HdlOnMqttKey"]?.ToString ();
			var url = dictrionaryResult ["ConnectMqttBrokerLoadSubDomain"]?.ToString ();
			var clientId = dictrionaryResult ["ConnectMqttClientId"]?.ToString ();
			var username = dictrionaryResult ["ConnectMqttBrokerUserName"]?.ToString ();
			var passwordRemote = dictrionaryResult ["ConnectMqttBrokerPwd"]?.ToString ();

			if (clientId == null \|\| username == null \|\| passwordRemote == null) {
			return;
			}

			////(1)连接到云端的Mqtt客户端连接参数
			var options = new MQTTnet.Client.Options.MqttClientOptionsBuilder ()
			.WithClientId (clientId)
			.WithTcpServer (url.Split (':') [1].Substring ("//".Length), int.Parse (url.Split (':') [2]))//
			.WithCredentials (username, passwordRemote)
			.WithCleanSession ()
			.WithCommunicationTimeout (new TimeSpan (0, 0, 10))
			.Build ();

			await Close ();
			await RemoteMqttClient.ConnectAsync (options);
			} catch (Exception ex) {
			Utlis.WriteLine ("============>" + ex.Message);
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			isConnecting = false.ToString ();

			Shared.SimpleControl.Phone.UserMiddle.LinkStatusTip.BackgroundColor = SkinStyle.Current.DelColor;
			#if DEBUG
			Alert a = new Alert (isConnecting.ToString (), ex.Message, "Close");
			a.Show ();
			#endif
			if (MqttCommon.RemoteMqttClient != null) {
			MqttCommon.RemoteMqttClient.Dispose ();
			}
			if (MqttCommon.RemoteMqttClient != null) {
			MqttCommon.RemoteMqttClient = null;
			}
			});
			} finally {
			isConnecting = false.ToString ();
			Application.RunOnMainThread (() => {
			MainPage.Loading.Hide ();
			});
			}
			}) { IsBackground = true }.Start ();
			}

			/// <summary>
			/// Logins the by PWDA sync.
			/// </summary>
			public static async System.Threading.Tasks.Task<byte []> LoginByPWDAsync (string account, string password, string source = "", int company = 0)
			{
			try {
			var result = await MainPage.RequestHttpsResultAsync ("Login",
			System.Text.Encoding.UTF8.GetBytes (Newtonsoft.Json.JsonConvert.SerializeObject (new Dictionary<string, object> {
			["Account"] = account,
			["Password"] = password,
			["Source"] = source,
			["Company"] = company
			})));
			return result;
			} catch {
			return null;
			}
			}

			/// <summary>
			/// 将Base64字符串，转换成合法的Mqtt主题
			/// </summary>
			/// <param name="baseSexFourEncStr"></param>
			/// <returns></returns>
			public static string BaseSexFourStrToMqttTopic (string baseSexFourEncStr)
			{
			baseSexFourEncStr = baseSexFourEncStr.Replace ("+", "[[$-MQTT_PLUS_SYMBOL_REPLACE-$]]");
			baseSexFourEncStr = baseSexFourEncStr.Replace ("/", "[[$-MQTT_TILT_SYMBOL_REPLACE-$]]");
			return baseSexFourEncStr;
			}

			public static async System.Threading.Tasks.Task MqttRemoteSend (byte [] message)
			{
			try {
			if (RemoteMqttClient == null \|\| !RemoteMqttClient.IsConnected) {
			await StartCloudMqtt ();
			}
			if (!RemoteMqttClient.IsConnected) {
			return;
			}
			var topicName = @"/" + MainPage.LoginUser.AccountString.ToLower () + @"/" + UserConfig.Instance.GatewayMAC.Replace (".", "") + @"/" + currentGuid;

			//base64加密主题
			checkGatewayTopicBase64 = Shared.Securitys.EncryptionService.AesEncryptTopic (topicName, mqttEncryptKey);

			//BaseSexFourStrToMqttTopic
			var topicNameSend = BaseSexFourStrToMqttTopic (checkGatewayTopicBase64);

			//base64加密主体
			var messageSend = Shared.Securitys.EncryptionService.AesEncryptPayload (message, mqttEncryptKey);

			var m = new MqttApplicationMessage { Topic = topicNameSend, Payload = messageSend, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce };
			await RemoteMqttClient?.PublishAsync (m);
			} catch (Exception e) {
			isConnecting = false.ToString ();
			}
			}

			public static async Task MqttCheckGateway ()
			{
			try {
			if (RemoteMqttClient == null \|\| !RemoteMqttClient.IsConnected) {
			await StartCloudMqtt ();
			}
			if (!RemoteMqttClient.IsConnected) {
			return;
			}
			var topicName = @"/" + MainPage.LoginUser.AccountString.ToLower () + @"/CheckGateway/" + UserConfig.Instance.GatewayMAC.Replace (".", "");
			Utlis.WriteLine ("MqttCheckGateway : " + topicName);
			//base64加密主题
			var topicNameBase64 = Shared.Securitys.EncryptionService.AesEncryptTopic (topicName, mqttEncryptKey);

			//BaseSexFourStrToMqttTopic
			var topicNameSend = BaseSexFourStrToMqttTopic (topicNameBase64);

			//base64加密主题
			var messageSend = Shared.Securitys.EncryptionService.AesEncryptPayload (new byte [] { 2, 1 }, mqttEncryptKey);

			var m = new MqttApplicationMessage { Topic = topicNameSend, Payload = messageSend, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce };
			await RemoteMqttClient?.PublishAsync (m);
			} catch (Exception e) {
			isConnecting = false.ToString ();
			}
			}
			}
			}



			namespace Shared.Securitys
			{
			public partial class EncryptionService
			{

			#region 加密
			/// <summary>
			/// 加密主题为Base64
			/// </summary>
			/// <param name="pToEncrypt"></param>
			/// <param name="key"></param>
			/// <returns></returns>
			public static string AesEncryptTopic (string pToEncrypt, string key)
			{
			if (string.IsNullOrEmpty (pToEncrypt)) return null;
			//需要加密内容的明文流
			Byte [] toEncryptArray = Encoding.UTF8.GetBytes (pToEncrypt);

			//配置AES加密Key(密钥、向量、模式、填充)
			RijndaelManaged rm = new RijndaelManaged {
			Key = Encoding.UTF8.GetBytes (key),
			IV = Encoding.UTF8.GetBytes (key),
			Mode = CipherMode.CBC,
			Padding = PaddingMode.PKCS7
			};

			//创建AES加密器对象
			ICryptoTransform cTransform = rm.CreateEncryptor ();

			//使用AES将明文流转成密文字节数组
			Byte [] resultArray = cTransform.TransformFinalBlock (toEncryptArray, 0, toEncryptArray.Length);

			//将AES生成的密文字节数组转成Base64字符串
			return Convert.ToBase64String (resultArray, 0, resultArray.Length);
			}


			/// <summary>
			/// 加密负载为二进制流
			/// </summary>
			/// <param name="toEncryptArray"></param>
			/// <param name="key"></param>
			/// <returns></returns>
			public static byte [] AesEncryptPayload (byte [] toEncryptArray, string key)
			{
			//配置AES加密Key(密钥、向量、模式、填充)
			var rm = new RijndaelManaged {
			Key = Encoding.UTF8.GetBytes (key),
			IV = Encoding.UTF8.GetBytes (key),
			Mode = CipherMode.CBC,
			Padding = PaddingMode.PKCS7
			};

			//创建AES加密器对象
			var cTransform = rm.CreateEncryptor ();
			//使用AES将明文流转成密文字节数组
			return cTransform.TransformFinalBlock (toEncryptArray, 0, toEncryptArray.Length);
			}
			#endregion


			#region 解密
			/// <summary>
			/// 解密主题数据
			/// </summary>
			/// <param name="pToDecrypt"></param>
			/// <param name="key"></param>
			/// <returns></returns>
			public static string AesDecryptTopic (string pToDecrypt, string key)
			{
			//AES密文Base64转成字符串
			Byte [] toEncryptArray = Convert.FromBase64String (pToDecrypt);

			//配置AES加密Key(密钥、向量、模式、填充)
			RijndaelManaged rm = new RijndaelManaged {
			Key = Encoding.UTF8.GetBytes (key),
			IV = Encoding.UTF8.GetBytes (key),
			Mode = CipherMode.CBC,
			Padding = PaddingMode.PKCS7
			};

			//创建AES解密器对象
			ICryptoTransform cTransform = rm.CreateDecryptor ();

			//使用AES将密文流转成明文的字节数组
			Byte [] resultArray = cTransform.TransformFinalBlock (toEncryptArray, 0, toEncryptArray.Length);

			//转成字符串
			return Encoding.UTF8.GetString (resultArray);
			}

			/// <summary>
			/// 采用Aes解密负载数据
			/// </summary>
			/// <param name="toEncryptArray"></param>
			/// <param name="key"></param>
			/// <returns></returns>
			public static byte [] AesDecryptPayload (byte [] toEncryptArray, string key)
			{
			//配置AES加密Key(密钥、向量、模式、填充)
			var rm = new RijndaelManaged {
			Key = Encoding.UTF8.GetBytes (key),
			IV = Encoding.UTF8.GetBytes (key),
			Mode = CipherMode.CBC,
			Padding = PaddingMode.PKCS7
			};

			//创建AES解密器对象
			var cTransform = rm.CreateDecryptor ();

			//使用AES将密文流转成明文的字节数组
			return cTransform.TransformFinalBlock (toEncryptArray, 0, toEncryptArray.Length);
			}
			#endregion


			}
			}
			*/