279 lines
12 KiB
C#
279 lines
12 KiB
C#
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace PlaneGcsSdk.Contract.DtuClient
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{
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public partial class EhNetLoginMgr
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{
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#region Fields
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private AutoResetEvent _loginEnNet;
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private AutoResetEvent _sendRndCodeSignal;
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private AutoResetEvent _sendBindCopterIDSignal;
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private AutoResetEvent _sendUpdHandshakeSignal;
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private AutoResetEvent _requestCopterListSignal;
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private const string Protocol_SendRandCode = "J001"; //表示向服务器请求“发送随机码”的协议号
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private const string Protocol_SendRandCode_Reply = "J002"; //表示服务端返回“请求发送随机码”的应答协议号
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private const string Protocol_BindCopterID = "J003"; //表示向服务器请求“绑定飞机”的协议号
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private const string Protocol_BindCopterID_Reply = "J004"; //表示服务端返回“请求绑定飞机”的应答协议号
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private const string Protocol_RequestCopterList = "J007"; //表示向服务器请求“飞机列表”的请求协议号
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private const string Protocol_ReceivedCopterItem = "J008"; //表示服务端返回“飞机列表中的一个飞机”的推送协议号
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private const string Protocol_RecievedCopterInvailed = "J206";//表示由服务端通告“您所绑定的飞机已无效”的推送协议好
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private string _errorCode; //请求过程由服务端返回的错误码的缓存变量
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private string _errorCodeForRequestCopterList; //专为缓存“请求飞机列表”结果的错误号变量
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private const string ErrorCode_Succeed = "0000"; //表示执行成功的错误码
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private const string ErrorCode_EndCopterList = "0003"; //表示服务端返回“飞机列表完毕”的协议号
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private CopterEntity _nextCopter; //当前请求的飞机实体
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private string _usersname; //当前登录的账号
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private const string DtuServerUsername = "10000"; // 在PLNet登陆体系里Dtu服务端的用户名
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#endregion
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#region Properties
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/// <summary>
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/// 在PLNet登陆体系里的用户别名
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/// </summary>
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public string NickName { get; protected set; }
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/// <summary>
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/// PLNet服务端的IP
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/// </summary>
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public string ServerIp { get; set; }
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/// <summary>
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/// PLNet服务端的监听端口
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/// </summary>
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public int ServerPort { get; set; }
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/// <summary>
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/// 表示当前所处的PLNet-Dtu连接状态（比如已登录PLNet，但没有建立Dtu透传管道）
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/// </summary>
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public ProcessStep ProcessSetp { get; protected set; }
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/// <summary>
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/// 登陆后获得的随机码
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/// </summary>
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public int RandCode { get; protected set; }
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/// <summary>
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/// 用于建立透传管道的Udp端口。
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/// </summary>
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public const int DTU_USER_PORT = 5250;
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#endregion
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/// <summary>
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/// 当前已绑定的飞机变为无效状态的事件
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/// </summary>
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public event EventHandler CopterLost;
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public EhNetLoginMgr()
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{
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_loginEnNet = new AutoResetEvent(false);
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_sendBindCopterIDSignal = new AutoResetEvent(false);
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_sendRndCodeSignal = new AutoResetEvent(false);
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_sendUpdHandshakeSignal = new AutoResetEvent(false);
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_requestCopterListSignal = new AutoResetEvent(false);
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InstanceEhNetObject();
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_PLNet.CommandArrival += _ehNet_CommandArrival;
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_PLNet.Disconnect += _ehNet_Disconnect;
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_PLNet.DiscoveredOneUser += _ehNet_DiscoveredOneUser;
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//_ehNet.ExceptionThrown += _ehNet_ExceptionThrown;
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_PLNet.Login += _ehNet_Login;
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}
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public void Dispose()
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{
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_PLNet.CommandArrival -= _ehNet_CommandArrival;
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_PLNet.Disconnect -= _ehNet_Disconnect;
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_PLNet.DiscoveredOneUser -= _ehNet_DiscoveredOneUser;
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//_ehNet.ExceptionThrown -= _ehNet_ExceptionThrown;
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_PLNet.Login -= _ehNet_Login;
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}
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#region Public Methods
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/// <summary>
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/// 登陆到PLNet网络（第三个参数决定是否在登陆成功后发起获取飞机列表的请求）。
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/// </summary>
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/// <param name="username"></param>
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/// <param name="pwd"></param>
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/// <param name="gotCopterCallBack">获得得到的飞机事件</param>
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public async Task Login(string username, string pwd, string ehNetServerIp,
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Action<CopterEntity> gotCopterCallBack = null)
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{
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if (CheckIfLogined())
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{
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return;
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}
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_usersname = username;
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await Task.Run(async () =>
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{
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await EhNetStart(ehNetServerIp, username, pwd);
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if (!_loginEnNet.WaitOne(TimeSpan.FromSeconds(10)))
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{
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throw new Exception("登陆无响应失败！");
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}
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ProcessSetp = ProcessStep.EhNetLogin;
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if (!string.IsNullOrEmpty(_PLNet.MyRND))
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{
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int value;
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int.TryParse(_PLNet.MyRND, out value);
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RandCode = value;
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//发送随机码到Dtu服务端
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await SendCommandToDtuServer($"{Protocol_SendRandCode};{username};{_PLNet.MyRND}");
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if (!_sendRndCodeSignal.WaitOne(TimeSpan.FromSeconds(10)))
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{
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throw new Exception("发送随机码超时！");
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}
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else if (_errorCode != ErrorCode_Succeed)
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{
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throw new Exception("发送随机码失败:" + _errorCode);
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}
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ProcessSetp = ProcessStep.SendRandCode;
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}
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if (gotCopterCallBack != null)
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{
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int index = 0;
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while (true)
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{
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await SendCommandToDtuServer($"{Protocol_RequestCopterList};{username};{index}");
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if (_requestCopterListSignal.WaitOne(TimeSpan.FromSeconds(10)))
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{
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if (_errorCodeForRequestCopterList == ErrorCode_Succeed)
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{
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if (_nextCopter != null)
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{
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gotCopterCallBack.Invoke(_nextCopter);
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}
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//加1后继续请求
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index++;
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}
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else if (_errorCodeForRequestCopterList == ErrorCode_EndCopterList)
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{
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//正常结束请求
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break;
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}
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else
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{
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throw new Exception($"请求获取飞机列表错误：{_errorCode}！");
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}
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}
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else
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{
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throw new Exception("请求获取飞机列表超时！");
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}
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}
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}
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}).ConfigureAwait(false);
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}
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/// <summary>
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/// 退出PLNet网络
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/// </summary>
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public void Logout()
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{
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_PLNet.Close();
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ResetLoginStatus();
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ProcessSetp = ProcessStep.None;
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}
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/// <summary>
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/// 获取飞机列表
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/// </summary>
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public async Task GetCopterList(Action<CopterEntity> gotCopterCallBack)
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{
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await Task.Run(async () =>
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{
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int index = 0;
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while (true)
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{
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await SendCommandToDtuServer($"{Protocol_RequestCopterList};{_usersname};{index}");
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if (_requestCopterListSignal.WaitOne(TimeSpan.FromSeconds(10)))
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{
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if (_errorCodeForRequestCopterList == ErrorCode_Succeed)
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{
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if (_nextCopter != null)
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{
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gotCopterCallBack.Invoke(_nextCopter);
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}
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//加1后继续请求
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index++;
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}
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else if (_errorCodeForRequestCopterList == ErrorCode_EndCopterList)
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{
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//正常结束请求
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break;
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}
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else
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{
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//throw new Exception($"请求获取飞机列表错误：{_errorCode}！");
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}
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}
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else
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{
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//throw new Exception("请求获取飞机列表超时！");
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}
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}
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}).ConfigureAwait(false);
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}
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/// <summary>
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/// 申请绑定飞机
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/// </summary>
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public async Task AssignBindingCopter(string copterID)
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{
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//向Dtu服务端申请绑定飞机
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await SendCommandToDtuServer($"{Protocol_BindCopterID};{_usersname};{copterID}");
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if (!_sendBindCopterIDSignal.WaitOne(TimeSpan.FromSeconds(10)))
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{
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throw new Exception("申请绑定超时！");
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}
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else if (_errorCode != ErrorCode_Succeed)
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{
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throw new Exception("申请绑定失败:" + _errorCode);
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}
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ProcessSetp = ProcessStep.AssignCopter;
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}
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#endregion
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#region Private Methods
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private void AcceptProtocolCommand(string userIDFrom, string msg)
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{
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if (!string.IsNullOrEmpty(msg) && userIDFrom == DtuServerUsername)
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{
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var strList = msg.Split(';');
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if (strList.Length >= 3)
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{
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switch (strList[0])
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{
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case Protocol_SendRandCode_Reply:
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_errorCode = strList[2];
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_sendRndCodeSignal.Set();
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break;
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case Protocol_BindCopterID_Reply:
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_errorCode = strList[2];
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_sendBindCopterIDSignal.Set();
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break;
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case Protocol_ReceivedCopterItem:
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_errorCodeForRequestCopterList = strList[2];
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if (strList.Length >= 5)
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{
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_nextCopter = new CopterEntity { ID = strList[3], Name = strList[4] };
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}
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else
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{
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_nextCopter = null;
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}
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_requestCopterListSignal.Set();
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break;
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case Protocol_RecievedCopterInvailed:
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CopterLost?.Invoke(this, EventArgs.Empty);
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break;
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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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