/*
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* 该类用于管理tcp作为服务端连接通讯
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*/
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using System;
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using System.Collections.Generic;
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using System.Net.Sockets;
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using System.Threading;
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using System.Net;
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using Shared;
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using HDL_ON.Entity;
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namespace HDL_ON.DriverLayer
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{
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/// <summary>
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/// TCP服务端
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/// </summary>
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public class Control_TcpServer
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{
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private Socket ServerSocket = null;//服务端
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public Dictionary<string, MySession> dic_ClientSocket = new Dictionary<string, MySession>();//tcp客户端字典
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private Dictionary<string, Thread> dic_ClientThread = new Dictionary<string, Thread>();//线程字典,每新增一个连接就添加一条线程
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private bool Flag_Listen = true;//监听客户端连接的标志
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/// <summary>
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/// 启动服务
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/// </summary>
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/// <param name="port">端口号</param>
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public bool OpenServer(int port = 8586)
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{
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try
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{
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Flag_Listen = true;
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// 创建负责监听的套接字，注意其中的参数；
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ServerSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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// 创建包含ip和端口号的网络节点对象；
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IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, port);
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try
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{
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// 将负责监听的套接字绑定到唯一的ip和端口上；
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ServerSocket.Bind(endPoint);
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}
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catch
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{
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return false;
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}
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// 设置监听队列的长度；
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ServerSocket.Listen(100);
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// 创建负责监听的线程；
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Thread Thread_ServerListen = new Thread(ListenConnecting);
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Thread_ServerListen.IsBackground = true;
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Thread_ServerListen.Start();
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MainPage.Log("启动tcp侦听");
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return true;
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// 关闭服务
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/// </summary>
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public void CloseServer()
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{
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lock (dic_ClientSocket)
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{
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foreach (var item in dic_ClientSocket)
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{
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item.Value.Close();//关闭每一个连接
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}
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dic_ClientSocket.Clear();//清除字典
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}
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lock (dic_ClientThread)
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{
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foreach (var item in dic_ClientThread)
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{
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item.Value.Abort();//停止线程
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}
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dic_ClientThread.Clear();
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}
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Flag_Listen = false;
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//ServerSocket.Shutdown(SocketShutdown.Both);//服务端不能主动关闭连接,需要把监听到的连接逐个关闭
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if (ServerSocket != null)
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ServerSocket.Close();
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}
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/// <summary>
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/// 监听客户端请求的方法；
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/// </summary>
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private void ListenConnecting()
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{
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while (Flag_Listen) // 持续不断的监听客户端的连接请求；
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{
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try
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{
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Socket sokConnection = ServerSocket.Accept(); // 一旦监听到一个客户端的请求，就返回一个与该客户端通信的 套接字；
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// 将与客户端连接的 套接字 对象添加到集合中；
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string str_EndPoint = sokConnection.RemoteEndPoint.ToString();
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MySession myTcpClient = new MySession() { TcpSocket = sokConnection };
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//创建线程接收数据
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Thread th_ReceiveData = new Thread(ReceiveData);
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th_ReceiveData.IsBackground = true;
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th_ReceiveData.Start(myTcpClient);
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//把线程及客户连接加入字典
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dic_ClientThread.Add(str_EndPoint, th_ReceiveData);
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dic_ClientSocket.Add(str_EndPoint, myTcpClient);
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}
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catch
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{
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}
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Thread.Sleep(200);
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}
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}
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/// <summary>
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/// 接收数据
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/// </summary>
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/// <param name="sokConnectionparn"></param>
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private void ReceiveData(object sokConnectionparn)
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{
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MySession tcpClient = sokConnectionparn as MySession;
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Socket socketClient = tcpClient.TcpSocket;
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bool Flag_Receive = true;
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while (Flag_Receive)
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{
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try
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{
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// 定义一个2M的缓存区；
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byte[] arrMsgRec = new byte[1024 * 1024 * 2];
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// 将接受到的数据存入到输入 arrMsgRec中；
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int length = -1;
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try
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{
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length = socketClient.Receive(arrMsgRec); // 接收数据，并返回数据的长度；
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}
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catch (Exception ex)
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{
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MainPage.Log($"tcpListener error 1 : {ex.Message}");
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Flag_Receive = false;
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// 从通信线程集合中删除被中断连接的通信线程对象；
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string keystr = socketClient.RemoteEndPoint.ToString();
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dic_ClientSocket.Remove(keystr);//删除客户端字典中该socket
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dic_ClientThread[keystr].Abort();//关闭线程
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dic_ClientThread.Remove(keystr);//删除字典中该线程
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tcpClient = null;
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socketClient = null;
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break;
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}
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byte[] buf = new byte[length];
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Array.Copy(arrMsgRec, buf, length);
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lock (tcpClient.m_Buffer)
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{
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//tcpClient.m_Buffer.Add(buf);
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var tcpDataString = System.Text.Encoding.UTF8.GetString(arrMsgRec, 0, length);
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if (!string.IsNullOrEmpty(tcpDataString))
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{
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AnalysisTcpData(socketClient, tcpDataString);
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}
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MainPage.Log(tcpDataString);
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}
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}
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catch (Exception ex)
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{
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MainPage.Log($"tcpListener error 2 : {ex.Message}");
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}
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Thread.Sleep(100);
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}
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}
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/// <summary>
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/// 获取列表数据回调方法
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/// </summary>
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public Action<string> GetListResponseAction;
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string tcpFunctionOidJsonString = "";
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/// <summary>
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/// 处理tcp数据
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/// </summary>
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void AnalysisTcpData(Socket socket, string tcpBodyDataString)
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{
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MainPage.Log($"0001 tcpDataString:\r\n {tcpBodyDataString}");
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var tcpDataObj = Control.Ins.AnalysisReceiveData(tcpBodyDataString);
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if (tcpDataObj.BodyDataString == null)
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{
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return;
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}
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switch (tcpDataObj.Topic)
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{
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case CommunicationTopic.AddDeviceOids:
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tcpFunctionOidJsonString = tcpDataObj.BodyDataString;
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break;
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case CommunicationTopic.AddFunctions:
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var addSidFunction = Newtonsoft.Json.JsonConvert.DeserializeObject<TcpTransmissionSidsObj>(tcpDataObj.BodyDataString);
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Application.RunOnMainThread(() =>
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{
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var tipDialog = new UI.UpdataSidDataDialog();
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var tcpLocalFunction = Newtonsoft.Json.JsonConvert.DeserializeObject<List<Function>>(Newtonsoft.Json.JsonConvert.SerializeObject(addSidFunction.objects));
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tipDialog.ShowDialog(tcpLocalFunction, tcpFunctionOidJsonString);
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});
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break;
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case CommunicationTopic.BusPcGetAppOids:
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var bytes = Common.FileUtlis.Files.ReadFile(DB_ResidenceData.OidSavePathName);
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if (bytes.Length > 0)
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{
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socket.Send(bytes);
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MainPage.Log($"send oid list to 8586 prot :{ System.Text.Encoding.UTF8.GetString(bytes)}");
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}
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break;
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case CommunicationTopic.BusPcGetAppSids:
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var sendSidObj = new TcpTransmissionSidsObj();
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sendSidObj.id = Control.Ins.msg_id.ToString();
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sendSidObj.time_stamp = "";
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//转换成bus需要的数据格式
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var localFunction = DB_ResidenceData.functionList.GetAllFunction();
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var localFunctionString = Newtonsoft.Json.JsonConvert.SerializeObject(localFunction);
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var tcpFunction = Newtonsoft.Json.JsonConvert.DeserializeObject<List<BusSidObj>>(localFunctionString);
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sendSidObj.objects.AddRange(tcpFunction);
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var sendSidJson = Newtonsoft.Json.JsonConvert.SerializeObject(sendSidObj);
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var sendSidBytes = System.Text.Encoding.UTF8.GetBytes(sendSidJson);
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socket.Send(sendSidBytes, sendSidBytes.Length, SocketFlags.OutOfBand);
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MainPage.Log($"send sid list to 8586 prot :{sendSidJson}");
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break;
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}
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}
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/// <summary>
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/// 发送数据给指定的客户端
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/// </summary>
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/// <param name="_endPoint">客户端套接字</param>
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/// <param name="_buf">发送的数组</param>
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/// <returns></returns>
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public bool SendData(string _endPoint, byte[] _buf)
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{
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MySession myT = new MySession();
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if (dic_ClientSocket.TryGetValue(_endPoint, out myT))
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{
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myT.Send(_buf);
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return true;
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}
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else
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{
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return false;
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}
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}
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}
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/// <summary>
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/// 会话端
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/// </summary>
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public class MySession
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{
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public Socket TcpSocket;//socket对象
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public List<byte> m_Buffer = new List<byte>();//数据缓存区
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public MySession()
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{
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}
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/// <summary>
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/// 发送数据
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/// </summary>
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/// <param name="buf"></param>
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public void Send(byte[] buf)
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{
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if (buf != null)
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{
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TcpSocket.Send(buf);
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}
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}
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/// <summary>
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/// 获取连接的ip
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/// </summary>
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/// <returns></returns>
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public string GetIp()
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{
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IPEndPoint clientipe = (IPEndPoint)TcpSocket.RemoteEndPoint;
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string _ip = clientipe.Address.ToString();
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return _ip;
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}
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/// <summary>
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/// 关闭连接
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/// </summary>
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public void Close()
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{
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TcpSocket.Shutdown(SocketShutdown.Both);
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}
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/// <summary>
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/// 提取正确数据包
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/// </summary>
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public byte[] GetBuffer(int startIndex, int size)
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{
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byte[] buf = new byte[size];
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m_Buffer.CopyTo(startIndex, buf, 0, size);
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m_Buffer.RemoveRange(0, startIndex + size);
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return buf;
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}
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/// <summary>
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/// 添加队列数据
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/// </summary>
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/// <param name="buffer"></param>
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public void AddQueue(byte[] buffer)
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{
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m_Buffer.AddRange(buffer);
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}
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/// <summary>
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/// 清除缓存
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/// </summary>
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public void ClearQueue()
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{
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m_Buffer.Clear();
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}
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}
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/// <summary>
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/// bus软件传输功能的sid列表对象
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/// </summary>
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public class TcpTransmissionSidsObj
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{
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public List<BusSidObj> objects = new List<BusSidObj>();
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public string id = "";
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public string time_stamp = "";
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}
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/// <summary>
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/// bus软件传输的功能对象
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/// 仅在与bus软件传递数据时使用，
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/// Function对象包含了该对象的所有内容，
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/// 此对象为了减少传输数据使用
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/// </summary>
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public class BusSidObj
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{
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public string sid = "";// "0301011234567801012301230123";
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/// <summary>
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/// A协议功能的属性
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/// 如：是AC功能：属性：on_off,mode,fan,temperature
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/// </summary>
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public List<FunctionAttributes> attributes = new List<FunctionAttributes>();
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/// <summary>
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/// 备注
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/// </summary>
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public string name;
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public string omodel;
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}
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}
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