wei
2021-07-01 2835fe50d3e194c21b16fec1c53ff905dd3a3ceb
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/*
更新了EMQ连接方式
*/
using System;
using MQTTnet.Client;
using System.Threading.Tasks;
using Shared;
using MQTTnet;
using System.Text;
using System.Security.Cryptography;
using HDL_ON.DriverLayer;
using HDL_ON.Entity;
using HDL_ON.UI;
using HDL_ON.DAL.Server;
 
namespace HDL_ON.DAL.Mqtt
{
    public static class MqttClient
    {
        /// <summary>
        /// 加密通讯KEY
        /// </summary>
        static string mqttEncryptKey = "";
        static string tuyaEncryptKey = "";
        //static string checkGatewayTopicBase64 = "";
        static bool hadGateway = true;
        /// <summary>
        /// 挤下线主题
        /// </summary>
        static readonly string PushNotifySqueeze = "/Push/NotifySqueeze";
 
        /// <summary>
        /// 随机Key
        /// </summary>
        static string RandomKey = "";
 
        /// <summary>
        /// 随机生成字符
        /// </summary>
        /// <returns></returns>
        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();
 
        /// <summary>
        /// 推送标识
        /// </summary>
        static string PushSignStr = DateTime.Now.Ticks.ToString();
 
        /// <summary>
        /// 断开远程Mqtt的链接
        /// </summary>
        static async Task DisConnectRemoteMqttClient(string s = "")
        {
            try
            {
                if (remoteIsConnected)
                {
                    remoteIsConnected = false;
                    isSubscribeSuccess = false;
                    Utlis.WriteLine($"Remote主动断开_{s}");
                    //await RemoteMqttClient.DisconnectAsync(new MQTTnet.Client.Disconnecting.MqttClientDisconnectOptions { }, CancellationToken.None);
                    await RemoteMqttClient.DisconnectAsync();
                }
            }
            catch (Exception e)
            {
                Utlis.WriteLine($"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
            {
                remoteIsConnected = false;
                isSubscribeSuccess = false;
                Utlis.WriteLine($"RemoteStart主动断开_{s}");
                await RemoteMqttClient.DisconnectAsync();
            }
            catch (Exception e)
            {
                Utlis.WriteLine($"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)
            {
                MqttInfoConfig.Current.IfGetMqttInfoSuccess = false;
            }
            await DisConnectRemoteMqttClient(s);
        }
 
        /// <summary>
        /// 外网的MQTT是否正在连接
        /// </summary>
        public static bool RemoteMqttIsConnecting;
        static bool remoteIsConnected;
 
        static MqttClient()
        {
            InitMqtt();
        }
 
        public static bool IsInitMqtt = false;
 
        static void InitMqtt()
        {
            new System.Threading.Thread(async () => {
                while (true)
                {
                    try
                    {
                        System.Threading.Thread.Sleep(2000);
                        //进入后台不处理
                        if (MainPage.IsEnterBackground) continue;
                        if (MqttInfoConfig.Current.HomeGatewayInfo == null)
                        {
                            continue;
                        }
 
                        await StartCloudMqtt();
                        await SubscribeTopics();
                    }
                    catch { }
                }
            })
            { IsBackground = true }.Start();
        }
 
        /// <summary>
        /// 初始化状态
        /// </summary>
        public static void InitState()
        {
            IfNeedReadAllDeviceStatus = true;
            StartCloudMqtt();
        }
 
        static bool isSubscribeSuccess;
        /// <summary>
        /// 订阅主题
        /// </summary>
        /// <returns></returns>
        static async Task SubscribeTopics()
        {
            if (remoteIsConnected && !isSubscribeSuccess)
            {
                try
                {
                    if (DB_ResidenceData.Instance.GatewayType == 0 && !DB_ResidenceData.Instance.CheckWhetherGatewayIdIsNull())
                    {
                        Utlis.WriteLine("开始订阅一端口通用主题!");
                        //2020-05-14 订阅主题质量改为0
                        var topicFilterBusGateWayToClient = new MqttTopicFilter()
                        {
                            Topic = $"/BusGateWayToClient/{MqttInfoConfig.Current.HomeGatewayInfo.gatewayId}/#",
                            QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                        };
                        await RemoteMqttClient.SubscribeAsync(topicFilterBusGateWayToClient);
                    }
                    //挤下线主题
                    var topicFilterPush2 = new MqttTopicFilter
                    {
                        Topic = $"/BusGateWayToClient/{UserInfo.Current.ID}/#",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce,
                    };
                    var topicAlinkStatus = new MqttTopicFilter()
                    {
                        Topic = $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/property/send",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
                    //App订阅红外宝 / 网关遥控器添加成功通知
                    var pirStatus = new MqttTopicFilter()
                    {
                        Topic = $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/topo/found",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
                    //App订阅遥控器自学按键学习成功通知
                    var pirStudy = new MqttTopicFilter()
                    {
                        Topic = $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/irCodeStudyDone/up",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
 
                    #region 数据更新推送主题
                    //appHomeRefresh:住宅数据刷新通知--杨涛
                    var appHomeRefresh = new MqttTopicFilter()
                    {
                        Topic = $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/appHomeRefresh/up",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
                    //住宅消息变更推送--豆豆
                    var residenceChange = new MqttTopicFilter()
                    {
                        Topic = $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/appDeviceRefresh/up",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
                    //appRoomRefresh:房间数据刷新通知
                    var appRoomRefresh = new MqttTopicFilter()
                    {
                        Topic = $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/appRoomRefresh/up",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
                    //appDeviceRefresh:设备数据刷新通知
                    var appDeviceRefresh = new MqttTopicFilter()
                    {
                        Topic = $"/user/{MqttInfoConfig.Current.HomeGatewayInfo.gatewayId}/app/thing/event/appHomeRefresh/up",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
                    //一端口密钥更新通知
                    var mqttkeyChange = new MqttTopicFilter()
                    {
                        Topic = $"/user/{MqttInfoConfig.Current.HomeGatewayInfo.gatewayId}/custom/mqtt/secret/change",
                        QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce
                    };
 
                    #endregion
 
 
                    Utlis.WriteLine("开始订阅!");
                    var result = await RemoteMqttClient.SubscribeAsync(new MqttTopicFilter[] {
                        pirStatus,pirStudy,
                        appDeviceRefresh,appHomeRefresh,appRoomRefresh,residenceChange,
                        topicFilterPush2, topicAlinkStatus ,mqttkeyChange});
                    if (result.Items[0].ResultCode == MQTTnet.Client.Subscribing.MqttClientSubscribeResultCode.GrantedQoS0)
                    {
                        isSubscribeSuccess = true;
                        Utlis.WriteLine("订阅成功!");
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine("订阅catch:" + ex.Message.ToString());
                }
            }
        }
 
        /// <summary>
        /// 启动远程Mqtt
        /// </summary>
        public static async Task StartCloudMqtt()
        {
            if (MainPage.InternetStatus == 0)
            {
                return;
            }
 
            if (!UserInfo.Current.IsLogin)
            {
                return;
            }
            if (DB_ResidenceData.Instance.CurrentRegion == null || DB_ResidenceData.Instance.CurrentRegion.id == null)
            {
                return;
            }
 
            //追加:没有远程连接的权限
            if (RemoteMqttIsConnecting || remoteIsConnected)
            {
                return;
            }
 
            Utlis.WriteLine($"StartCloudMqtt: 开始");
 
            await Task.Factory.StartNew((Func<Task>)(async () => {
                try
                {
                    #region 初始化远程Mqtt
                    RemoteMqttIsConnecting = true;
                    RemoteMqttClient = new MqttFactory().CreateMqttClient();
 
 
                    //(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)
                    {
                        //处理接收到的数据
                        RemoteMqttClient.UseApplicationMessageReceivedHandler((Action<MqttApplicationMessageReceivedEventArgs>)((e) => {
                            try
                            {
                                var topic = e.ApplicationMessage.Topic;
                                //MainPage.Log($"收到mqtt主题:{topic}");
                                //一端口主题处理
                                if (DB_ResidenceData.Instance.GatewayType == 0 && !DB_ResidenceData.Instance.CheckWhetherGatewayIdIsNull())
                                {
                                    if (topic == $"/BusGateWayToClient/{MqttInfoConfig.Current.HomeGatewayInfo.gatewayId}/NotifyBusGateWayInfoChange")
                                    {
                                        //网关上线,需要更新aeskey
                                        //收到网关上线消息主题
                                        ReceiveNotifyBusGateWayInfoChange();
                                        return;
                                    }
                                    else if (topic == $"/BusGateWayToClient/{MqttInfoConfig.Current.HomeGatewayInfo.gatewayId}/NotifyGateWayOffline")
                                    {
                                        //网关掉线
                                        //----第二步:读取账号下面的网关列表
                                        ReceiveNotifyGateWayOffline();
                                        return;
                                    }
                                    else if (topic == $"/BusGateWayToClient/{MqttInfoConfig.Current.HomeGatewayInfo.gatewayId}/Common/CheckGateway")
                                    {
                                        var ss = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
                                        //ReceiveCheckGateway(ss);
                                        return;
                                    }
                                }
 
                                //一些特殊的主题处理(为了执行速度,尽可能的别加耗时的操作 true:执行了特殊处理 false:没有执行特殊处理)
                                if (Stan.HdlCloudReceiveLogic.Current.CloudOverallMsgReceiveEx(topic, e.ApplicationMessage.Payload, mqttEncryptKey, tuyaEncryptKey) == true)
                                {
                                    return;
                                }
 
                                if (topic == $"/BusGateWayToClient/{UserInfo.Current.ID}" + PushNotifySqueeze)
                                {
                                    var mMes = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
                                    //新挤下线主题方案 收到挤下线主题
                                    ReceiveNotifySqueezeAsync(mMes);
                                }
                                //App订阅红外宝/网关遥控器添加成功通知
                                else if (topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/topo/found")
                                {
                                    var bytes = Securitys.EncryptionService.AesDecryptPayload(e.ApplicationMessage.Payload, tuyaEncryptKey);
                                    var revString = Encoding.UTF8.GetString(bytes);
                                    HDL_ON.UI.UI2.PersonalCenter.PirDevice.PirMethod.controldata = revString;
                                }
                                //App订阅遥控器自学按键学习成功通知
                                else if (topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/irCodeStudyDone/up")
                                {
                                    var bytes = Securitys.EncryptionService.AesDecryptPayload(e.ApplicationMessage.Payload, tuyaEncryptKey);
                                    var revString = Encoding.UTF8.GetString(bytes);
                                    UI.UI2.PersonalCenter.PirDevice.PirMethod.buttondata = revString;
                                }
                                #region 数据更新推送主题
                                //appHomeRefresh:住宅数据刷新通知
                                else if (topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/appHomeRefresh/up"
                                        || topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/appDeviceRefresh/up")
                                {
                                    MainPage.Log("住宅数据刷新通知");
                                    new HttpServerRequest().GetHomePager();
                                }
                                //appRoomRefresh:房间数据刷新通知
                                else if (topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/appRoomRefresh/up")
                                {
                                    MainPage.Log("房间数据刷新通知");
                                    var roomResult = new HttpServerRequest().GetRoomList();
                                    if (roomResult.Code == StateCode.SUCCESS)
                                    {
                                        MainPage.Log($"读取房间信息成功");
                                        var revData = Newtonsoft.Json.JsonConvert.DeserializeObject<SpatialApiPack>(roomResult.Data.ToString());
                                        if (revData == null)
                                        {
                                            revData = new SpatialApiPack();
                                        }
                                        {
                                            SpatialInfo.CurrentSpatial.UpdateSpatialList(revData.list);
                                        }
                                    }
                                    else
                                    {
                                        MainPage.Log($"读取房间数据失败:Code:{roomResult.Code}; msg:{roomResult.message}");
                                    }
                                }
                                //appDeviceRefresh:设备数据刷新通知
                                else if (topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/event/appDeviceRefresh/up")
                                {
                                    MainPage.Log("设备数据刷新通知");
                                    var deviceResult = new HttpServerRequest().GetDeviceList();
                                    if (deviceResult.Code == StateCode.SUCCESS)
                                    {
                                        MainPage.Log($"读取设备信息成功");
                                        var deviceList = Newtonsoft.Json.JsonConvert.DeserializeObject<DevcieApiPack>(deviceResult.Data.ToString());
                                        if (deviceList == null)
                                        {
                                            deviceList = new DevcieApiPack();
                                        }
                                        string delFile = "";
                                        if (FunctionList.List.GetDeviceFunctionList().Count > 0)
                                        {
                                            for (int i = 0; i < FunctionList.List.GetDeviceFunctionList().Count;)
                                            {
                                                var localFunction = FunctionList.List.GetDeviceFunctionList()[i];
                                                if (localFunction.Spk_Prefix == FunctionCategory.Music || string.IsNullOrEmpty(localFunction.Spk_Prefix))
                                                {
                                                    i++;
                                                    continue;
                                                }
                                                var newFunction = deviceList.list.Find((obj) => obj.deviceId == localFunction.deviceId);
 
                                                if (delFile == localFunction.savePath)
                                                {
                                                    i++;
                                                    continue;
                                                }
                                                delFile = localFunction.savePath;
                                                FunctionList.List.DeleteFunction(localFunction);
                                            }
                                        }
                                        //处理剩下的新增功能
                                        foreach (var newFunction in deviceList.list)
                                        {
                                            newFunction.SaveFunctionFile();
                                            FunctionList.List.IniFunctionList(newFunction.savePath);
                                        }
                                    }
                                    else
                                    {
                                        MainPage.Log($"读取云端设备数据失败:Code:{deviceResult.Code};  Msg:{deviceResult.message}");
                                    }
                                }
                                //网关密钥变化
                                else if (topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/custom/mqtt/secret/change")
                                {
                                    var pm = new HttpServerRequest();
                                    pm.GetHomeGatewayList();
                                    MainPage.Log($"网关密钥变更");
                                    MainPage.Log($"旧密钥:{mqttEncryptKey}");
                                    mqttEncryptKey = MqttInfoConfig.Current.HomeGatewayInfo.aesKey;
                                    MainPage.Log($"新密钥:{mqttEncryptKey}");
                                }
 
                                #endregion
                                //A网关设备状态-包含涂鸦设备
                                else if (topic == $"/user/{DB_ResidenceData.Instance.CurrentRegion.id}/app/thing/property/send")
                                {
                                    var bytes = Securitys.EncryptionService.AesDecryptPayload(e.ApplicationMessage.Payload, tuyaEncryptKey);
                                    var revString = Encoding.UTF8.GetString(bytes);
                                    Control.Ins.UpdataFunctionStatus(revString, null, true);
                                }
                                //一端口数据解析
                                else
                                {
                                    //SetGatewayOnlineResetCheck();
                                    //var bytes = Securitys.EncryptionService.AesDecryptPayload(e.ApplicationMessage.Payload, mqttEncryptKey);
                                    //bus数据解析
                                    var packet = new Packet();
 
                                    if (!string.IsNullOrEmpty(mqttEncryptKey))
                                    {
                                        packet.Bytes = Securitys.EncryptionService.AesDecryptPayload(e.ApplicationMessage.Payload, mqttEncryptKey);
                                    }
                                    else
                                    {
                                        packet.Bytes = e.ApplicationMessage.Payload;
                                    }
                                    packet.Manager();
                                }
                            }
                            catch { }
                        }));
                    }
 
                    //(2)DisconnectedHandler
                    if (RemoteMqttClient.DisconnectedHandler == null)
                    {
                        RemoteMqttClient.UseDisconnectedHandler(async (e) => {
                            Utlis.WriteLine($"远程连接断开");
                            isSubscribeSuccess = false;
                            await DisConnectRemoteMqttClient("UseDisconnectedHandler");
                        });
                    }
                    //(3)ConnectedHandler
                    if (RemoteMqttClient.ConnectedHandler == null)
                    {
                        RemoteMqttClient.UseConnectedHandler(async (e) =>
                        {
                            IfNeedReadAllDeviceStatus = true;
                            Control.Ins.GatewayOnline_Cloud = true;
                            Utlis.WriteLine($"============>Mqtt远程连接成功");
                            SendPushSignOut();
                        });
                    }
                    #endregion
 
                    //(4)===========开始连接过程==========
 
                    ////一端口每次都要刷新密钥
                    //if (DB_ResidenceData.Instance.HomeGateway != null && DB_ResidenceData.Instance.HomeGateway.gatewayType == "BUSUDPGATEWAY") {
                    //    var pm = new HttpServerRequest();
                    //    var result = pm.GetHomeGatewayList();
                    //    if(result == StateCode.SUCCESS)
                    //    {
                    //        MainPage.Log($"刷新一端口密钥");
                    //        MainPage.Log($"旧密钥:{mqttEncryptKey}");
                    //        mqttEncryptKey = MqttInfoConfig.Current.HomeGatewayInfo.aesKey;
                    //        MainPage.Log($"新密钥:{mqttEncryptKey}");
                    //    }else
                    //    {
                    //        return;
                    //    }
                    //}
                    
 
 
                    //之前已经获取参数成功过
                    if (MqttInfoConfig.Current.IfGetMqttInfoSuccess)
                    {
                        //判断是否需要重新获取
                        await CheckMQTTConnectAsync();
                    }
                    else
                    {
                        //开始获取远程连接参数
                        await StartMQTTGetInfo();
                    }
 
                }
                catch (Exception ex)
                {
                    Utlis.WriteLine($"error:" + ex.Message);
                    //mqtt连接异常,清空本地mqtt信息,可能需要重新获取:wxr
                    MqttInfoConfig.Current.Refresh();
                }
                finally
                {
                    //最终要释放连接状态
                    RemoteMqttIsConnecting = false;
 
                    Utlis.WriteLine($"StartCloudMqtt: 结束");
                }
 
            }));
        }
 
 
        /// <summary>
        /// 检测是否需要发送刷新获取所有设备的命令
        /// </summary>
        static void CheckIfNeedReadAllDeviceStatus()
        {
            if (IfNeedReadAllDeviceStatus)
            {
                Utlis.WriteLine("ReadAllDeviceStatus");
                IfNeedReadAllDeviceStatus = false;
            }
        }
 
 
        /// <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 (MqttInfoConfig.Current.HomeGatewayInfo != null && MqttInfoConfig.Current.HomeGatewayInfo.mac == Entity.DB_ResidenceData.Instance.residenceGatewayMAC)
                {
                    await MQTTConnectAsync();
                }
                else
                {
                    //Mac 变化了重新获取参数
                    await StartMQTTGetInfo();
                }
            }
            catch
            {
                MqttInfoConfig.Current.IfGetMqttInfoSuccess = false;
            }
 
        }
 
        /// <summary>
        /// 开始获取Mqtt 远程参数
        /// </summary>
        /// <returns></returns>
        static async Task StartMQTTGetInfo()
        {
            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 (MqttInfoConfig.Current.HomeGatewayInfo != null && MqttInfoConfig.Current.mMqttInfo != null)
            //没有网关情况下,也需要连接mqtt,涂鸦第三方设备不需要网关
            if (MqttInfoConfig.Current.mMqttInfo != null)
            {
                try
                {
 
                    var url = MqttInfoConfig.Current.mMqttInfo.url;
 
                    //url = HttpUtil.GetProxyEMQUrl (url);
                    //#if DEBUG
                    //url = HttpUtil.GetProxyEMQUrl (url);
                    //#endif
                    var clientId = MqttInfoConfig.Current.mMqttInfo.clientId;
                    var username = MqttInfoConfig.Current.mMqttInfo.userName;
                    var passwordRemote = MqttInfoConfig.Current.mMqttInfo.passWord;
                    //获取参数成功,保存到本地并标记为true
                    MqttInfoConfig.Current.IfGetMqttInfoSuccess = true;
                    MqttInfoConfig.Current.Save();
 
 
 
                    mqttEncryptKey = MqttInfoConfig.Current.HomeGatewayInfo.aesKey;
                    //解密密钥规则:已现有的住宅ID为基准,从右边一一获取值,最后如果不够16位,则往右补零
                    string aesKey = string.Empty;
                    for (int i = DB_ResidenceData.Instance.CurrentRegion.id.Length - 1; i >= 0; i--)
                    {
                        aesKey += DB_ResidenceData.Instance.CurrentRegion.id[i].ToString();
                        if (aesKey.Length == 16) { break; }
                    }
                    aesKey = aesKey.PadRight(16, '0');
                    tuyaEncryptKey = 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;
                    }
                    else
                    {
                        //重新中心服务器获取参数标记
                        MqttInfoConfig.Current.IfGetMqttInfoSuccess = false;
                    }
 
                }
                catch (Exception ex)
                {
 
                    //重新中心服务器获取参数标记
                    MqttInfoConfig.Current.IfGetMqttInfoSuccess = false;
                    Console.WriteLine("Connect error: " + ex.Message);
                    //mqtt连接异常,清空本地mqtt信息,可能需要重新获取:wxr
                    MqttInfoConfig.Current.Refresh();
                }
                finally
                {
 
                }
 
            }
            else
            {
                MqttInfoConfig.Current.IfGetMqttInfoSuccess = false;
            }
 
        }
 
        /// <summary>
        /// 收到网关上线消息
        /// </summary>
        static void ReceiveNotifyBusGateWayInfoChange()
        {
            try
            {
                //SetGatewayOnlineResetCheck();
                if (Control.Ins.GatewayOnline_Cloud)
                {
                    CheckIfNeedReadAllDeviceStatus();
                }
            }
            catch { }
        }
 
        /// <summary>
        /// 收到网关掉线信息
        /// </summary>
        static void ReceiveNotifyGateWayOffline()
        {
            Control.Ins.GatewayOnline_Cloud = false;
        }
 
        /// <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//或者当前不是远程链接状态
            //测试账号,不挤下线
            switch (UserInfo.Current.userMobileInfo)
            {
                case "13415629083":
                case "18316120654":
                case "15622703419":
                case "18824864143":
                case "464027401@qq.com":
                case "2791308028@qq.com":
                case "13697499568":
                case "18666455392":
                case "13375012446":
                case "13602944661":
                case "18778381374":
                case "18316672920":
                case "15971583093":
                case "15626203746":
                case "551775569@qq.com":
                    return;
            }
 
            if (!UserInfo.Current.IsLogin)
            {
                return;
            }
 
            DisConnectRemoteMqttClient("挤下线");
 
            Application.RunOnMainThread(() =>
            {
                //弹窗提示被挤下线
                HDLCommon.Current.CheckLogout();
            });
 
 
            //UserInfo.Current.LastTime = DateTime.MinValue;
            //UserInfo.Current.SaveUserInfo();
 
            //Application.RunOnMainThread(() => {
            //    MainPage.GoLoginPage(UserInfo.Current);
            //    //弹窗提示被挤下线
            //});
 
            //2020-08-11 删除推送数据
            //HDLRequest.Current.PushserivceSignOut ();
        }
 
        ///// <summary>
        ///// 收到CheckGateway主题
        ///// </summary>
        //static void ReceiveCheckGateway(string mMes)
        //{
        //    if (!Control.Ins.IsRemote) return;
 
        //    Utlis.WriteLine("ReceiveCheckGateway!");
 
        //    //CheckIfNeedReadAllDeviceStatus ();
 
        //    //var obj = Newtonsoft.Json.JsonConvert.DeserializeObject<ResponsePack>(mMes);
        //    Control.Ins.GatewayOnline = true;
        //}
 
        /// <summary>
        /// 推送挤下线主题
        /// </summary>
        static void SendPushSignOut()
        {
            byte[] message = Encoding.UTF8.GetBytes(PushSignStr);
            MqttRemoteSend(message, 4);
        }
 
        /// <summary>
        /// 
        /// </summary>
        /// <param name="message">附加数据包</param>
        /// <param name="optionType">操作类型:0=网关控制;1=订阅网关数据;2=订阅网关上线数据</param>
        /// <returns></returns>
        public static async Task MqttRemoteSend(byte[] message, int optionType = 0)
        {
            try
            {
                string topicName;
                switch (optionType)
                {
                    case 0:
                        topicName = $"/ClientToBusGateWay/{MqttInfoConfig.Current.HomeGatewayInfo.gatewayId}/Common/ON";
                        if (!string.IsNullOrEmpty(mqttEncryptKey))
                        {
                            message = Securitys.EncryptionService.AesEncryptPayload(message, mqttEncryptKey);
                        }
                        await RemoteMqttClient.PublishAsync(new MqttApplicationMessage { Topic = topicName, Payload = message, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce });
                        break;
                    case 4://发布新方案的挤下线主题
                        topicName = $"/BusGateWayToClient/{UserInfo.Current.ID}" + PushNotifySqueeze;
                        //message = Encoding.UTF8.GetBytes (PushSignStr);
                        await RemoteMqttClient.PublishAsync(new MqttApplicationMessage { Topic = topicName, Payload = message, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce });
                        break;
                }
            }
            catch (Exception e)
            {
                //Utlis.WriteLine ($"============>Mqtt MqttRemoteSend catch");
                if (!IsDisConnectingWithSendCatch)
                {
                    IsDisConnectingWithSendCatch = true;
                    await DisConnectRemoteMqttClient("SendCatch");
                }
            }
        }
        /// <summary>
        /// SendCatch 后执行一次断开操作
        /// </summary>
        static bool IsDisConnectingWithSendCatch = false;
 
 
        /// <summary>
        /// 是否需要读取一次所有设备状态
        /// </summary>
        static bool IfNeedReadAllDeviceStatus = true;
 
        ///// <summary>
        ///// 设置网关在线标志,并重置CheckGateway参数
        ///// </summary>
        //static void SetGatewayOnlineResetCheck()
        //{
        //    if (Control.Ins.IsRemote)
        //    {
        //        if (!Control.Ins.GatewayOnline)
        //        {
        //            try
        //            {
        //                if (DB_ResidenceData.Instance.HomeGateway != null)
        //                {
        //                    DB_ResidenceData.Instance.HomeGateway.gatewayStatus = true;
        //                }
        //                Control.Ins.GatewayOnline = true;
        //            }
        //            catch { }
        //        }
        //    }
        //}
 
 
        /// <summary>
        /// 主账号获取MQTT 远程链接信息,并连接
        /// </summary>
        /// <returns></returns>
        static async Task GetMqttInfoAndMQTTConnectAsync()
        {
            var mqttInfoRequestResult_Obj = new HttpServerRequest().GetMqttRemoteInfo(GetRandomKey());
            if (mqttInfoRequestResult_Obj != null)
            {
                MainPage.Log($"获取mqtt info 成功 /r/n clientId:{mqttInfoRequestResult_Obj.clientId}/r/n passWord:{mqttInfoRequestResult_Obj.passWord} /r/n url:{mqttInfoRequestResult_Obj.url}/r/n userName:{mqttInfoRequestResult_Obj.userName}");
 
 
                MqttInfoConfig.Current.mMqttInfo = mqttInfoRequestResult_Obj;
                await MQTTConnectAsync();
                //1.判断是否绑定了网关,获取网关远程连接的加密KEY
                //if (DB_ResidenceData.Instance.CheckWhetherGatewayIsBound())
                {
                    //2.找出是否存在匹配当前住宅的mac,存在再进行远程。
                    MqttInfoConfig.Current.HomeGatewayInfo = DB_ResidenceData.Instance.HomeGateway;
                    //3.开始连接
                    await MQTTConnectAsync();
                }
                //else
                //{
                //    Utlis.WriteLine("============>还没绑定网关");
                //    hadGateway = false;
                //}
            }
        }
 
    }
}
 
 
public class MqttInfo
{
    /// <summary>
    /// 
    /// </summary>
    public string url;
    /// <summary>
    /// 
    /// </summary>
    public string clientId;
    /// <summary>
    /// 
    /// </summary>
    public string userName;
    /// <summary>
    /// 
    /// </summary>
    public string passWord;
}
 
 
 
namespace 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;
            if (string.IsNullOrEmpty(key)) return pToEncrypt;
            //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)
        {
            if (string.IsNullOrEmpty(key)) return toEncryptArray;
            //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
 
 
 
    }
}