C # multi-threaded socket multi-pipeline resumable transfer of large files (with single-threaded single-pipeline transfer)

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Code

   1 #define Sleep
  2  //#undef Sleep
  3 //#define TransmitLog
  4 #undef TransmitLog
  5 //#define BreakpointLog
  6 #undef BreakpointLog
  7 using System;
  8 using System.Net;
  9 using System.Net.Sockets;
 10 using System.IO;
 11 using System.Text;
 12 using System.Threading;
 13 using System.Collections.Generic;
 14 using System.Diagnostics;
 15 
 16 namespace Rocky
 17 {
 18     public static class FileTransmiter
 19     {
 20         #region NestedType
 21         private class SendWorker : IWorker
 22         {
 23             private long totalSent, totalSend;
 24             private byte[] buffer;
 25             private Socket sock;
 26             private FileStream reader;
 27             private Thread thread;
 28             private bool isFinished;
 29 
 30             public long TotalSent
 31             {
 32                 get { return totalSent; }
 33             }
 34             public long TotalSend
 35             {
 36                 get { return totalSend; }
 37             }
 38             public byte[] Buffer
 39             {
 40                 get { return buffer; }