using System;
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using System.Collections.Generic;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using Shared.Common;
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using ZigBee.Device;
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namespace ZigBee.Common
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{
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public static class Application
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{
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#region ■ 变量声明___________________________
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public static bool isInited;
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/// <summary>
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/// 是否正在搜索网关
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/// </summary>
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public static bool IsSearchingGateway = false;
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/// <summary>
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/// 上一次的住宅ID
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/// </summary>
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private static string oldHomeID = string.Empty;
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/// <summary>
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/// 接收的IP
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/// </summary>
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private static List<string> listReceiveIP = new List<string>();
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#endregion
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#region ■ 初始化_____________________________
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public static void Init()
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{
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if (isInited)
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{
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return;
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}
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isInited = true;
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//初始化Socket
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FindGateWaySocket.Start();
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//发送广播数据
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StartSendBroadcastData();
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//接收广播数据
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StartReceiveBroadcastData();
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///开启远程连接
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StartRemoteMqtt();
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}
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#endregion
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#region ■ 发送广播数据_______________________
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/// <summary>
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/// 发送广播数据
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/// </summary>
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private static void StartSendBroadcastData()
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{
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new System.Threading.Thread(() =>
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{
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var searchCount = 3;
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var broadBytes = new byte[44];// byteHomeId[0] ,//H
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broadBytes[0] = 0xfe;
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broadBytes[1] = 0x29;
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broadBytes[2] = 0x00;
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broadBytes[3] = 0x00;
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broadBytes[4] = 0x00;
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broadBytes[5] = 0x00;
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broadBytes[6] = 0x00;
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broadBytes[43] = 0x02;
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while (true)
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{
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try
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{
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//检测能否发送广播
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if (CheckCanSendBroadcast(broadBytes) == false)
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{
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continue;
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}
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var broadcastIpAddress = new Shared.Net.NetWiFi().BroadcastIpAddress;
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if (Shared.Application.IsWifi)
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{
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if (0 < listReceiveIP.Count)
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{
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searchCount = 3;
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ZbGateway.IsRemote = false;
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//当网关的连接方式改变时,记录当前的连接方式
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Shared.Phone.UserCenter.HdlGatewayLogic.Current.CheckGatewayByConnectChanged(Shared.Phone.UserCenter.GatewayConnectMode.WIFI);
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}
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else
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{
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if (searchCount < 0)
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{
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ZbGateway.IsRemote = true;
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//当网关的连接方式改变时,记录当前的连接方式
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Shared.Phone.UserCenter.HdlGatewayLogic.Current.CheckGatewayByConnectChanged(Shared.Phone.UserCenter.GatewayConnectMode.Remote);
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}
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}
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}
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else
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{
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ZbGateway.IsRemote = true;
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//当网关的连接方式改变时,记录当前的连接方式
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Shared.Phone.UserCenter.HdlGatewayLogic.Current.CheckGatewayByConnectChanged(Shared.Phone.UserCenter.GatewayConnectMode.Remote);
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for (int i = 0; i < ZbGateway.GateWayList.Count; i++)
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{
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ZbGateway.GateWayList[i].DisConnectLocalMqttClient("1");
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}
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//非wifi情况下,不需要广播
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System.Threading.Thread.Sleep(1000);
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continue;
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}
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searchCount--;
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//每秒广播发现一次网关
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int count = 2;
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listReceiveIP.Clear();
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while (0 < count--)
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{
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//点对点发送(先发一条已有的点播，回复几率高一点）
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for (int i = 0; i < listReceiveIP.Count; i++)
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{
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FindGateWaySocket.BeginSend(new System.Net.IPEndPoint(System.Net.IPAddress.Parse(listReceiveIP[i]), 7624), broadBytes);
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}
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//广播发送
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if (broadcastIpAddress.ToString() != "0.0.0.0")
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{
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FindGateWaySocket.BeginSend(new System.Net.IPEndPoint(broadcastIpAddress, 7624), broadBytes);
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}
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System.Threading.Thread.Sleep(1000);
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}
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}
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catch { }
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}
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})
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{ IsBackground = true }.Start();
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}
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#endregion
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#region ■ 接收广播数据_______________________
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/// <summary>
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/// 接收广播数据
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/// </summary>
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private static void StartReceiveBroadcastData()
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{
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//数据接收
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new System.Threading.Thread(async () =>
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{
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while (true)
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{
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try
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{
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if (FindGateWaySocket.udpClient == null || FindGateWaySocket.udpClient.Available <= 0)
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{
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System.Threading.Thread.Sleep(500);
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continue;
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}
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var ipEndPoint = new System.Net.IPEndPoint(0, 0);
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var bytes = FindGateWaySocket.udpClient.Receive(ref ipEndPoint);
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if (bytes[43] == 0xA2)
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{
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//广播回复网关的基本信息处理
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var ipAddress = $"{bytes[3]}.{bytes[4]}.{bytes[5]}.{bytes[6]}";
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var homeID = System.Text.Encoding.UTF8.GetString(bytes, 7, 36);
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homeID = homeID.Replace('\0', ' ').Trim();
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var isMainGateWay = bytes[44] == 1;
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var time = (bytes[48] & 0xff) << 24 | (bytes[47] & 0xff) << 16 | (bytes[46] & 0xff) << 8 | (bytes[45] & 0xff);
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var gwNameLength = bytes[49];
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var gwName = System.Text.Encoding.UTF8.GetString(bytes, 50, gwNameLength);
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var gwIdLength = bytes[49 + gwNameLength + 1];
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var id = Encoding.UTF8.GetString(bytes, 49 + gwNameLength + 2, gwIdLength);
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var pubKeyLengthByte0 = bytes[49 + gwNameLength + 1 + gwIdLength + 1];
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var pubKeyLengthByte1 = bytes[49 + gwNameLength + 1 + gwIdLength + 2];
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int pubKeyLength = ((pubKeyLengthByte1 & 0xff) << 8 | (pubKeyLengthByte0 & 0xff));
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var pubKey = Encoding.UTF8.GetString(bytes, 49 + gwNameLength + 1 + gwIdLength + 2 + 1, pubKeyLength);
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var zbGateWay = new ZbGateway
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{
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GwIP = ipAddress,
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GwName = gwName,
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HomeId = homeID,
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IsMainGateWay = isMainGateWay,
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GwId = id,
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GatewayOnlineFlage = true,
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PubKey = pubKey
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};
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//通讯到网关列表
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if (listReceiveIP.Find(obj => obj == zbGateWay.GwId) == null)
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{
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//网关匹配当前住宅中到网关
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if (Shared.Common.Config.Instance.HomeId == homeID)
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{
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listReceiveIP.Add(ipAddress);
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}
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//UI界面正在搜索，不必配当前住宅到到网关此时也通讯
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else if (IsSearchingGateway)
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{
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listReceiveIP.Add(ipAddress);
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}
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//2020.08.07追加:即使空的住宅id也建立链接,对应手动恢复网关出厂设置时,因为没有解绑,但是住宅id为空的问题
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else if (Shared.Phone.UserCenter.HdlGatewayLogic.Current.HomeIdIsEmpty(homeID) == true)
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{
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listReceiveIP.Add(ipAddress);
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}
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}
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//网关列表存储处理
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var gateWay = ZbGateway.GateWayList.Find(obj => obj.GwId == zbGateWay.GwId);
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if (gateWay == null)
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{
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ZbGateway.GateWayList.Add(zbGateWay);
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await zbGateWay.StartLocalMqtt(ipAddress);
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}
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else
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{
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gateWay.IsVirtual = false;
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//将该网关标识为【可搜索到，即：在线】
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gateWay.GatewayOnlineFlage = true;
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if (gateWay.GwIP != ipAddress)
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{
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await gateWay.DisConnectLocalMqttClient("2");
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ZbGateway.GateWayList.Remove(gateWay);
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gateWay = zbGateWay;
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ZbGateway.GateWayList.Add(gateWay);
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await zbGateWay.StartLocalMqtt(ipAddress);
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}
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else
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{
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gateWay.PubKey = pubKey;
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gateWay.GwName = gwName;
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gateWay.HomeId = homeID;
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await gateWay.StartLocalMqtt(ipAddress);
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}
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//主网关设置
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if (isMainGateWay && oldHomeID == gateWay.HomeId)
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{
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for (int i = 0; i < ZbGateway.GateWayList.Count; i++)
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{
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var gw = ZbGateway.GateWayList[i];
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//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
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if (gw.GwId != id && oldHomeID == gw.HomeId)
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{
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gw.IsMainGateWay = false;
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}
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}
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//标记当前网关是主网关
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gateWay.IsMainGateWay = true;
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}
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}
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//测试能否广播得到网关,通常情况下不检测
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if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.CheckCanReceiveGateway == 1)
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{
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if (Shared.Phone.UserCenter.UserCenterResourse.DicReceiveGatewayTest == null)
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{
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//防止异常,虽然几率很低
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Shared.Phone.UserCenter.UserCenterResourse.HideOption.CheckCanReceiveGateway = 0;
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continue;
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}
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if (Shared.Phone.UserCenter.UserCenterResourse.DicReceiveGatewayTest.ContainsKey(id) == false)
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{
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if (gateWay == null)
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{
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Shared.Phone.UserCenter.UserCenterResourse.DicReceiveGatewayTest[id] = zbGateWay;
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}
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else
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{
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Shared.Phone.UserCenter.UserCenterResourse.DicReceiveGatewayTest[id] = gateWay;
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}
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}
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}
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}
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else
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{
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//调试用
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if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.WriteSocketReceiveDataToFile == 1)
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{
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var data33 = Encoding.UTF8.GetString(bytes).Replace("�)", string.Empty).TrimStart('\0').TrimEnd('\0');
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Shared.Phone.UserCenter.HdlLogLogic.Current.WriteLog(3, data33);
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}
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}
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}
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catch (Exception ex)
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{
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//调试用
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if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.WriteSocketReceiveDataToFile == 1)
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{
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Shared.Phone.UserCenter.HdlLogLogic.Current.WriteLog(3, "Receive异常\r\n" + ex.Message);
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}
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}
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}
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})
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{ IsBackground = true }.Start();
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}
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#endregion
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#region ■ 开启远程连接_______________________
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/// <summary>
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/// 开启远程连接
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/// </summary>
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private static void StartRemoteMqtt()
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{
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new System.Threading.Thread(async () =>
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{
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while (true)
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{
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try
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{
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//定时检测远程连接情况
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await ZbGateway.StartRemoteMqtt();
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}
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catch { }
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System.Threading.Thread.Sleep(2000);
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}
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})
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{ IsBackground = true }.Start();
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}
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#endregion
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#region ■ 一般方法___________________________
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/// <summary>
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/// 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)
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/// </summary>
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public static void ReSearch()
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{
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//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
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oldHomeID = "**";
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}
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/// <summary>
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/// 检测能否发送广播
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/// </summary>
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/// <returns></returns>
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private static bool CheckCanSendBroadcast(byte[] broadBytes)
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{
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if (string.IsNullOrEmpty(Config.Instance.HomeId))
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{
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//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
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oldHomeID = "?";
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System.Threading.Thread.Sleep(1000);
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return false;
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}
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//首次进入网关，和切换住宅会清除网关列表，重新搜索存储
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if (Config.Instance.HomeId != oldHomeID)
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{
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//因为那一瞬间，有可能mqtt会加回来,所以先加缓存
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var list = new List<ZbGateway>();
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list.AddRange(ZbGateway.GateWayList);
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//然后清空掉
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ZbGateway.GateWayList.Clear();
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//最后再断开mqtt连接
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for (int i = 0; i < list.Count; i++)
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{
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list[i]?.DisConnectLocalMqttClient("1");
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}
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list.Clear();
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oldHomeID = Shared.Common.Config.Instance.HomeId;
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var tempBytes = System.Text.Encoding.UTF8.GetBytes(Shared.Common.Config.Instance.HomeId);
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System.Array.Copy(tempBytes, 0, broadBytes, 7, 36 < tempBytes.Length ? 36 : tempBytes.Length);
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//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
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var gateWayFileList = Global.FileListByHomeId().FindAll(obj => obj.StartsWith("Gateway_"));
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foreach (var filePath in gateWayFileList)
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{
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var paths = filePath.Split('_');
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if (paths.Length < 3)
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continue;
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var gateWay = ZbGateway.GateWayList.Find(obj => (obj != null) && (obj.GwId == paths[2]));
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if (gateWay == null)
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{
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gateWay = new ZbGateway { IsVirtual = true };
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gateWay.GwId = paths[2];
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gateWay.HomeId = Config.Instance.HomeId;
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ZbGateway.GateWayList.Add(gateWay);
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}
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}
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}
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return true;
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}
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#endregion
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#region ■ Socket_____________________________
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/// <summary>
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/// 接收处理UDP数据包
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public static class FindGateWaySocket
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{
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//本地Socket
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public static UdpClient udpClient;
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/// <summary>
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/// 启动Socket接收和发送功能
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/// </summary>
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/// <param name="port"></param>
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public static void Start()
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{
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if (udpClient!=null)
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{
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return;
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}
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udpClient = new UdpClient { EnableBroadcast = true };
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}
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/// <summary>
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/// 停止Socket
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/// </summary>
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public static void Stop()
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{
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try
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{
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udpClient?.Close();
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}
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catch { }
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udpClient = null;
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Console.WriteLine("BusSocket关闭成功!");
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}
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/// <summary>
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/// 异步发送数据
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/// </summary>
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/// <param name="tempPacket"></param>
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public static void BeginSend(System.Net.IPEndPoint iPEndPoint, byte[] bytes)
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{
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try
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{
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if (udpClient == null)
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{
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return;
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}
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udpClient.Send(bytes, bytes.Length, iPEndPoint);
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}
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catch (Exception ex)
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{
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//调试用
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if (Shared.Phone.UserCenter.UserCenterResourse.HideOption.WriteSocketReceiveDataToFile == 1)
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{
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Shared.Phone.UserCenter.HdlLogLogic.Current.WriteLog(3, "发送异常(BeginSendTo)\r\n" + ex.Message);
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}
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}
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}
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}
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#endregion
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}
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}
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