97 lines
2.7 KiB
C#
97 lines
2.7 KiB
C#
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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 IceCoffee.HJ212.Models;
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using IceCoffee.Common.Extensions;
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using IceCoffee.FastSocket.Tcp;
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namespace IceCoffee.HJ212
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{
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/// <summary>
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///
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/// </summary>
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public class NetSession : TcpSession
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{
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private StringBuilder _unpackCache;
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public NetSession(TcpServer server) : base(server)
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{
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}
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protected override void OnClosed()
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{
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base.OnClosed();
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_unpackCache?.Clear();
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}
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/// <summary>
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/// 获取分包缓存
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/// </summary>
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/// <returns></returns>
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private StringBuilder GetUnpackCache()
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{
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return _unpackCache ??= new StringBuilder();
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}
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/// <summary>
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///
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/// </summary>
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protected override void OnReceived()
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{
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if (ReadBuffer.IndexOf(35) != 0L)// '#'
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{
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throw new Exception("异常TCP连接 IP: " + RemoteIPEndPoint);
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}
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string rawText = null;
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while (ReadBuffer.CanReadLine)
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{
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try
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{
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byte[] data = ReadBuffer.ReadLine();
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rawText = Encoding.UTF8.GetString(data);
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NetPackage netPackage = NetPackage.Parse(rawText, GetUnpackCache);
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((NetServer)Server).RaiseReceivedData(this, netPackage, rawText);
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if (netPackage.DataSegment.PackageFlag != null && netPackage.DataSegment.PackageFlag.A == 1)
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{
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Response(netPackage);
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}
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}
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catch (Exception ex)
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{
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throw new Exception("数据报：" + rawText, ex);
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}
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}
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}
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/// <summary>
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/// 应答
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/// </summary>
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private void Response(NetPackage netPackage)
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{
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try
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{
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netPackage.DataSegment.ST = DataSegment.ResponseST;
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netPackage.DataSegment.CN = CommandNumber.DataResponse;
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netPackage.DataSegment.PackageFlag.A = 0;
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netPackage.DataSegment.PackageFlag.D = 0;
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netPackage.DataSegment.CpCommand.ExeRtn = ResponseCode.ExecSucceeded;
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string rawText = netPackage.Serialize();
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byte[] data = Encoding.UTF8.GetBytes(rawText);
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SendAsync(data);
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((NetServer)Server).RaiseSendData(this, netPackage, rawText);
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}
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catch (Exception ex)
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{
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throw new Exception("Error in NetSession", ex);
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}
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}
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}
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}
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