using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using HDL_ON.Entity.Enumerative;
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namespace HDL_ON
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{
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public class Packet
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{
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/// <summary>
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/// 缓冲区大小
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/// </summary>
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public const int Size = 1024 + 200;
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/// <summary>
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/// 接收到的数据
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/// </summary>
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public byte [] Bytes;
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/// <summary>
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/// 远程的套接字
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/// </summary>
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public System.Net.EndPoint RemoteEndPoint;
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public Packet ()
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{
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this.Bytes = new byte [Size];
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RemoteEndPoint = (System.Net.EndPoint)new System.Net.IPEndPoint (System.Net.IPAddress.Any, 0);
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}
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public Packet (byte [] data, System.Net.EndPoint remoteEndPoint)
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{
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this.Bytes = data;
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this.RemoteEndPoint = remoteEndPoint;
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}
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/// <summary>
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/// 记录已经发送数据出去的时间
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/// </summary>
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public System.DateTime FlagDateTime;
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/// <summary>
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/// 已经发送了多少数
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/// </summary>
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public int HaveSendCount;
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public delegate void DelegateReceive (byte subnetID, byte deviceID, Command command, byte [] usefullBytes, string revGatewayIP);
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public static event DelegateReceive ReceiveEvent;
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/// <summary>
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/// 接收到的所有数据
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/// </summary>
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public static Action<byte, byte, int, Command, byte, byte, byte [], System.Net.IPEndPoint> ReceviceAllDadaAction;
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/// <summary>
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/// 处理接收到的数据
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/// </summary>
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public virtual void Manager ()
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{
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//对于操作数据库的时间比较长的，可以创建另一个线程处理
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if (!"HDLMIRACLE".Equals (System.Text.Encoding.ASCII.GetString (Bytes, 4, 10))) {
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return;
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}
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byte subnetID = this.Bytes [17]; //源子网号
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byte deviceID = this.Bytes [18]; //源设备号
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//源设备类型
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int deviceType = this.Bytes [19] * 256 + this.Bytes [20];
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Command command = (Command)(Bytes [21] * 256 + Bytes [22]); //操作码控制命令
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byte targetSubnetID = this.Bytes [23];
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byte targetDeviceID = this.Bytes [24];
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//不是要接收的指令就返回
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if (!((targetSubnetID == 252 && targetDeviceID == 252) || (targetSubnetID == 0xff && targetDeviceID == 0xff))) {
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return;
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}
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byte [] usefulBytes = null;
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if (this.Bytes [16] == 0xFF) {
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usefulBytes = new byte [Bytes.Length - 16 - 11];
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System.Array.Copy (Bytes, 27, usefulBytes, 0, usefulBytes.Length);
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} else {
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//有用的附加数据
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usefulBytes = new byte [this.Bytes [16] - 11];
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Array.Copy (Bytes, 25, usefulBytes, 0, usefulBytes.Length);
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}
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if (ReceiveEvent != null) {
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ReceiveEvent (subnetID, deviceID, command, usefulBytes, $"{Bytes [0]}.{Bytes [1]}.{Bytes [2]}.{Bytes [3]}");
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}
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//if (command == Command.SuperGatewayAgentACK) {
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// SuperGateWay.SendAndReceiveDatas.Recevice (subnetID, deviceID, usefulBytes);
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//}
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if (ReceviceAllDadaAction != null) {
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ReceviceAllDadaAction (subnetID, deviceID, deviceType, command, targetSubnetID, targetDeviceID, usefulBytes, (System.Net.IPEndPoint)RemoteEndPoint);
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}
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//处理是否要重发数据
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Control.ManagerReceive (subnetID, deviceID, command, targetSubnetID, targetDeviceID, usefulBytes, RemoteEndPoint);
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}
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}
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}
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