~wjc/HomeApp.git

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			using System;
			using System.Collections.Generic;
			using System.Net;
			using System.Net.Sockets;
			using System.Text;

			using Shared.Common;
			using ZigBee.Device;


			namespace ZigBee.Common
			{
			public static class Application
			{
			public static bool isInited;
			/// <summary>
			/// 是否正在搜索网关
			/// </summary>
			public static bool IsSearchingGateway = false;
			/// <summary>
			/// 新发现的网关通知
			/// </summary>
			public static Action<ZigBee.Device.ZbGateway> NewGateWayAction;
			/// <summary>
			/// 上一次的住宅ID
			/// </summary>
			private static string oldHomeID = string.Empty;

			public static void Init()
			{
			if (isInited)
			{
			return;
			}
			isInited = true;

			//初始化Socket
			FindGateWaySocket.Start();

			new System.Threading.Thread(async () =>
			{
			var gateWayList = new List<ZbGateway> { };
			var searchCount = 6;
			var broadBytes = new byte[44];// byteHomeId[0] ,//H
			broadBytes[0] = 0xfe;
			broadBytes[1] = 0x29;
			broadBytes[2] = 0x00;
			broadBytes[3] = 0x00;
			broadBytes[4] = 0x00;
			broadBytes[5] = 0x00;
			broadBytes[6] = 0x00;
			broadBytes[43] = 0x02;
			while (true)
			{
			try
			{
			if (string.IsNullOrEmpty(Shared.Common.Config.Instance.HomeId))
			{
			//住宅ID为空只有一种可能就是退出了登录，这里的上一次住宅ID要清空
			oldHomeID = "?";
			System.Threading.Thread.Sleep(1000);
			continue;
			}
			//首次进入网关，和切换住宅会清除网关列表，重新搜索存储
			if (Shared.Common.Config.Instance.HomeId != oldHomeID)
			{
			//因为那一瞬间，有可能mqtt会加回来,所以先加缓存
			var list = new List<ZbGateway>();
			list.AddRange(ZbGateway.GateWayList);
			//然后清空掉
			ZbGateway.GateWayList.Clear();
			//最后再断开mqtt连接
			for (int i = 0; i < list.Count; i++)
			{
			list[i].DisConnectLocalMqttClient("1");
			}
			list.Clear();
			oldHomeID = Shared.Common.Config.Instance.HomeId;
			var tempBytes = System.Text.Encoding.UTF8.GetBytes(Shared.Common.Config.Instance.HomeId);
			System.Array.Copy(tempBytes, 0, broadBytes, 7, 36 < tempBytes.Length ? 36 : tempBytes.Length);
			//住宅中已经存在的网关如果局域网不存在，需要在当前住宅中虚拟一个网关ID相同的网关
			var gateWayFileList = Global.FileListByHomeId().FindAll(obj => obj.StartsWith("Gateway_"));
			foreach (var filePath in gateWayFileList)
			{
			var paths = filePath.Split('_');
			if (paths.Length < 3)
			continue;

			var gateWay = ZbGateway.GateWayList.Find(obj => (obj != null) && (obj.GwId == paths[2]));
			if (gateWay == null)
			{
			gateWay = new ZbGateway { IsVirtual = true };
			gateWay.GwId = paths[2];
			gateWay.HomeId = Shared.Common.Config.Instance.HomeId;
			ZbGateway.GateWayList.Add(gateWay);
			}
			}
			}

			var broadcastIpAddress = new Shared.Net.NetWiFi().BroadcastIpAddress;

			if (Shared.Application.IsWifi)
			{
			if (0 < gateWayList.Count)
			{
			searchCount = 6;
			ZbGateway.IsRemote = false;
			//当网关的连接方式改变时,记录当前的连接方式
			Shared.Phone.UserCenter.HdlGatewayLogic.Current.CheckGatewayByConnectChanged(Shared.Phone.UserCenter.GatewayConnectMode.WIFI);
			}
			else
			{
			if (searchCount < 0)
			{
			ZbGateway.IsRemote = true;
			//当网关的连接方式改变时,记录当前的连接方式
			Shared.Phone.UserCenter.HdlGatewayLogic.Current.CheckGatewayByConnectChanged(Shared.Phone.UserCenter.GatewayConnectMode.Remote);
			}
			}
			}
			else
			{
			ZbGateway.IsRemote = true;
			//当网关的连接方式改变时,记录当前的连接方式
			Shared.Phone.UserCenter.HdlGatewayLogic.Current.CheckGatewayByConnectChanged(Shared.Phone.UserCenter.GatewayConnectMode.Remote);

			for (int i = 0; i < ZbGateway.GateWayList.Count; i++)
			{
			ZbGateway.GateWayList[i].DisConnectLocalMqttClient("1");
			}
			}

			searchCount--;

			#region 1秒搜索一次网关
			//每0.5秒广播发现一次网关，共1s
			int count = 2;
			new System.Threading.Thread(() =>
			{
			gateWayList.Clear();
			while (0 < count--)
			{
			try
			{
			//点对点发送(先发一条已有的点播，回复几率高一点）
			for (int i = 0; i < gateWayList.Count; i++)
			{
			FindGateWaySocket.BeginSend(new System.Net.IPEndPoint(System.Net.IPAddress.Parse(gateWayList[i].GwIP), 7624), broadBytes);
			}
			//广播发送
			if (broadcastIpAddress.ToString() != "0.0.0.0")
			{
			FindGateWaySocket.BeginSend(new System.Net.IPEndPoint(broadcastIpAddress, 7624), broadBytes);
			}
			}
			catch{}
			System.Threading.Thread.Sleep(500);
			}
			})
			{ IsBackground = true }.Start();

			while (0 < count)
			{
			try
			{
			if (FindGateWaySocket.busSocket == null)
			{
			System.Threading.Thread.Sleep(100);
			continue;
			}
			var bytes = new byte[1024];

			var len = FindGateWaySocket.busSocket.Receive(bytes, bytes.Length, System.Net.Sockets.SocketFlags.None);
			if (bytes[43] == 0xA2)
			{
			//广播回复网关的基本信息处理
			var ipAddress = $"{bytes[3]}.{bytes[4]}.{bytes[5]}.{bytes[6]}";
			var homeID = System.Text.Encoding.UTF8.GetString(bytes, 7, 36);
			homeID = homeID.Replace('\0', ' ').Trim();
			var isMainGateWay = bytes[44] == 1;
			var time = (bytes[48] & 0xff) << 24 \| (bytes[47] & 0xff) << 16 \| (bytes[46] & 0xff) << 8 \| (bytes[45] & 0xff);
			var gwNameLength = bytes[49];
			var gwName = System.Text.Encoding.UTF8.GetString(bytes, 50, gwNameLength);
			var gwIdLength = bytes[49 + gwNameLength + 1];
			var id = Encoding.UTF8.GetString(bytes, 49 + gwNameLength + 2, gwIdLength);
			var pubKeyLengthByte0 = bytes[49 + gwNameLength + 1 + gwIdLength + 1];
			var pubKeyLengthByte1 = bytes[49 + gwNameLength + 1 + gwIdLength + 2];
			int pubKeyLength = ((pubKeyLengthByte1 & 0xff) << 8 \| (pubKeyLengthByte0 & 0xff));
			var pubKey = Encoding.UTF8.GetString(bytes, 49 + gwNameLength + 1 + gwIdLength + 2 + 1, pubKeyLength);
			var zbGateWay = new ZbGateway
			{
			GwIP = ipAddress,
			GwName = gwName,
			HomeId = homeID,
			IsMainGateWay = isMainGateWay,
			GwId = id,
			GatewayOnlineFlage = true,
			PubKey = pubKey
			};
			//通讯到网关列表
			if (gateWayList.Find(obj => obj.GwId == zbGateWay.GwId) == null)
			{
			//网关匹配当前住宅中到网关
			if (Shared.Common.Config.Instance.HomeId == homeID)
			{
			gateWayList.Add(zbGateWay);
			}
			//UI界面正在搜索，不必配当前住宅到到网关此时也通讯
			else if (IsSearchingGateway)
			{
			gateWayList.Add(zbGateWay);
			}
			//网关中到住宅ID为空此时也通讯 2020.01.14变更：没这个必要,上面那个变量就能处理
			//else if (homeID == string.Empty)
			//{
			// gateWayList.Add(zbGateWay);
			//}
			}
			//网关列表存储处理
			var gateWay = ZbGateway.GateWayList.Find(obj => obj.GwId == zbGateWay.GwId);
			if (gateWay == null)
			{
			ZbGateway.GateWayList.Add(zbGateWay);
			await zbGateWay.StartLocalMqtt(ipAddress);
			NewGateWayAction?.Invoke(zbGateWay);
			}
			else
			{
			gateWay.IsVirtual = false;
			//将该网关标识为【可搜索到，即：在线】
			gateWay.GatewayOnlineFlage = true;
			if (gateWay.GwIP != ipAddress)
			{
			await gateWay.DisConnectLocalMqttClient("2");
			ZbGateway.GateWayList.Remove(gateWay);
			gateWay = zbGateWay;
			ZbGateway.GateWayList.Add(gateWay);
			await zbGateWay.StartLocalMqtt(ipAddress);
			}
			else
			{
			gateWay.PubKey = pubKey;
			gateWay.GwName = gwName;
			gateWay.HomeId = homeID;
			await gateWay.StartLocalMqtt(ipAddress);
			}

			//主网关设置
			if (isMainGateWay && oldHomeID == gateWay.HomeId)
			{
			for (int i = 0; i < ZbGateway.GateWayList.Count; i++)
			{
			var gw = ZbGateway.GateWayList[i];
			//网关ID不是当前的网关，则把网关列表中其他网关标记为不是主网关
			if (gw.GwId != id && oldHomeID == gw.HomeId)
			{
			gw.IsMainGateWay = false;
			}
			}
			//标记当前网关是主网关
			gateWay.IsMainGateWay = true;
			}
			}

			//测试能否广播得到网关,通常情况下不检测
			if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.CheckCanReceiveGateway == 1)
			{
			if (Shared.Phone.UserCenter.UserCenterResourse.DicReceiveGatewayTest.ContainsKey(id) == false)
			{
			if (gateWay == null)
			{
			Shared.Phone.UserCenter.UserCenterResourse.DicReceiveGatewayTest[id] = zbGateWay;
			}
			else
			{
			Shared.Phone.UserCenter.UserCenterResourse.DicReceiveGatewayTest[id] = gateWay;
			}
			}
			}
			}
			else
			{
			//调试用
			if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.WriteSocketReceiveDataToFile == 1)
			{
			var data33 = Encoding.UTF8.GetString(bytes).Replace("�)", string.Empty).TrimStart('\0').TrimEnd('\0');
			Shared.Phone.UserCenter.HdlLogLogic.Current.WriteLog(3, data33);
			}
			}
			}
			catch{}
			}
			#endregion
			}
			catch { }
			System.Threading.Thread.Sleep(500);
			}
			})
			{ IsBackground = true }.Start();

			///远程主网关更新
			new System.Threading.Thread(async () =>
			{
			while (true)
			{
			try
			{
			//定时检测远程连接情况
			await ZbGateway.StartRemoteMqtt();
			}
			catch { }
			System.Threading.Thread.Sleep(2000);
			}
			})
			{ IsBackground = true }.Start();
			}

			/// <summary>
			/// 重新搜索,注意：调用该方法,则促使全部网关的mqtt全部断开,然后重新搜索(可能会有1秒延迟)
			/// </summary>
			public static void ReSearch()
			{
			//为了那么多少万分之一的几率,这里设置成别的另一类的值
			oldHomeID = "**";
			}

			/// <summary>
			/// 接收处理UDP数据包
			/// </summary>
			/// <typeparam name="T"></typeparam>
			public static class FindGateWaySocket
			{
			//本地Socket
			public static Socket busSocket;

			/// <summary>
			/// 启动Socket接收和发送功能
			/// </summary>
			/// <param name="port"></param>
			public static void Start(int port = 7624)
			{
			if (IsRunning)
			{
			return;
			}
			//定义网络类型，数据连接类型和网络协议UDP
			busSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
			busSocket.EnableBroadcast = true;
			busSocket.ReceiveTimeout = 1000;
			busSocket.SendTimeout = 1000;
			busSocket.Bind(new IPEndPoint(IPAddress.Any, port));
			}

			/// <summary>
			/// 停止Socket
			/// </summary>
			public static void Stop()
			{
			if (!IsRunning)
			{
			return;
			}
			try
			{
			busSocket.Close();
			}
			catch { }
			busSocket = null;

			Console.WriteLine("BusSocket关闭成功!");
			}

			/// <summary>
			/// 当前的Socket是否运行
			/// </summary>
			public static bool IsRunning
			{
			get
			{
			return busSocket == null ? false : true;
			}
			}

			/// <summary>
			/// 异步发送数据
			/// </summary>
			/// <param name="tempPacket"></param>
			public static void BeginSend(System.Net.IPEndPoint iPEndPoint, byte[] bytes)
			{
			try
			{
			if (IsRunning)
			{
			busSocket.BeginSendTo(bytes, 0, bytes.Length, SocketFlags.None, iPEndPoint, new AsyncCallback(asyncEndSend), null);
			}

			}
			catch (Exception ex)
			{
			//调试用
			if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.WriteSocketReceiveDataToFile == 1)
			{
			Shared.Phone.UserCenter.HdlLogLogic.Current.WriteLog(3, "发送异常(BeginSendTo)\r\n" + ex.Message);
			}
			}
			}

			/// <summary>
			/// 异步发送数据结束
			/// </summary>
			/// <param name="iar"></param>
			private static void asyncEndSend(IAsyncResult iar)
			{
			try
			{
			int bytesSent = busSocket.EndSendTo(iar);
			}
			catch(Exception ex)
			{
			//调试用
			if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.WriteSocketReceiveDataToFile == 1)
			{
			Shared.Phone.UserCenter.HdlLogLogic.Current.WriteLog(3, "异步发送结束异常(asyncEndSend)\r\n" + ex.Message);
			}
			}
			}
			}
			}
			}