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using System;
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using System.Collections.Concurrent;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading;
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using VideoReader.Properties;
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namespace VideoReader;
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internal class InOutSocket
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{
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public int bitrateout = 0;
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public int bitratein = 0;
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private static byte[] keyByte = MD5("73!2#qweaSdzxc4r");
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private static byte[] ivByte = MD5("0_=op[l:',./vf73");
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private Form1 Form;
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private bool open;
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private ServerConfig config;
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private ConcurrentQueue<byte[]> outbuffer = new ConcurrentQueue<byte[]>();
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private BinaryWriter bw;
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private ConcurrentQueue<byte[]> output = new ConcurrentQueue<byte[]>();
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private bool noblock = true;
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public bool opened
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{
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get
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{
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return open;
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}
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set
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{
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open = value;
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}
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}
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private static byte[] MD5(string str)
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{
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return new MD5CryptoServiceProvider().ComputeHash(Encoding.UTF8.GetBytes(str));
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}
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private static byte[] crypt(ICryptoTransform cryptoTransform, byte[] data)
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{
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using MemoryStream memoryStream = new MemoryStream();
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using CryptoStream cryptoStream = new CryptoStream(memoryStream, cryptoTransform, CryptoStreamMode.Write);
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cryptoStream.Write(data, 0, data.Length);
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cryptoStream.FlushFinalBlock();
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return memoryStream.ToArray();
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}
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private static byte[] encrypt(byte[] buf)
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{
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byte[] result = new byte[0];
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using (Aes aes = Aes.Create())
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{
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aes.Key = keyByte;
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aes.IV = ivByte;
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using ICryptoTransform cryptoTransform = aes.CreateEncryptor(aes.Key, aes.IV);
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result = crypt(cryptoTransform, buf);
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}
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return result;
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}
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private static byte[] decrypt(byte[] buf)
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{
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byte[] result = new byte[0];
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using (Aes aes = Aes.Create())
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{
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aes.Key = keyByte;
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aes.IV = ivByte;
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using ICryptoTransform cryptoTransform = aes.CreateDecryptor(aes.Key, aes.IV);
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result = crypt(cryptoTransform, buf);
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}
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return result;
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}
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public InOutSocket(Form1 form)
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{
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Form = form;
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open = true;
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Thread thread = new Thread((ThreadStart)delegate
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{
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Events();
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});
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thread.IsBackground = true;
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thread.Start();
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}
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~InOutSocket()
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{
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open = false;
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}
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private int sockWrite(BinaryWriter ns, byte[] buf, int pref)
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{
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int num = 0;
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buf = encrypt(buf);
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if (buf.Length != 0)
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{
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byte[] array = BitConverter.GetBytes(buf.Length + 1);
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for (int num2 = array.Length; num2 > 0; num2--)
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{
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if (array[num2 - 1] > 0)
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{
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if (num2 < 4)
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{
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Array.Resize(ref array, num2);
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}
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break;
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}
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}
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ns.Write((byte)array.Length);
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num++;
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ns.Write(array);
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num += array.Length;
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ns.Write(buf);
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num += buf.Length;
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ns.Write((byte)pref);
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num++;
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ns.Flush();
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}
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return num;
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}
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public string IpGet()
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{
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string result = "158.247.241.191";
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try
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{
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Stream responseStream = WebRequest.Create($"http://vidser.top/ip/get-ip-kr.php?port={Chenal}").GetResponse().GetResponseStream();
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int[] array = new int[4];
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for (int i = 0; i < 4; i++)
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{
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array[i] = responseStream.ReadByte();
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}
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result = $"{array[0]}.{array[1]}.{array[2]}.{array[3]}";
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.StackTrace);
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}
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return result;
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}
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private void Events()
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{
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Stopwatch stopwatch = new Stopwatch();
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DateTime now = DateTime.Now;
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TcpClient tcpClient = new TcpClient();
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stopwatch.Start();
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Stopwatch stopwatch2 = new Stopwatch();
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stopwatch2.Start();
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byte b = 0;
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BinaryReader binaryReader = null;
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DateTime now2 = DateTime.Now;
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int num = 0;
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int num2 = 0;
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while (open)
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{
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try
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{
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if ((DateTime.Now - now).TotalSeconds > 10.0 || !tcpClient.Connected)
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{
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tcpClient = new TcpClient(IpGet(), 3033);
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tcpClient.GetStream().WriteByte(0);
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tcpClient.GetStream().WriteByte(Chenal);
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tcpClient.GetStream().Flush();
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binaryReader = new BinaryReader(tcpClient.GetStream());
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bw = new BinaryWriter(tcpClient.GetStream());
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output = new ConcurrentQueue<byte[]>();
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stopwatch.Restart();
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now = DateTime.Now;
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stopwatch2.Restart();
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Thread.Sleep(1);
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}
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if (stopwatch.ElapsedMilliseconds > 500)
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{
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num2 += sockWrite(bw, BitConverter.GetBytes(DateTime.Now.Ticks), 0);
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stopwatch.Restart();
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}
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if (tcpClient.Available > 0)
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{
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int num3 = binaryReader.Read();
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num++;
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if (num3 < 4)
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{
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byte[] array = binaryReader.ReadBytes(num3);
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num += num3;
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Array.Resize(ref array, 4);
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int num4 = BitConverter.ToInt32(array, 0);
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if (num4 > 0)
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{
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byte[] array2 = binaryReader.ReadBytes(num4);
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num += num4;
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int num5 = array2[^1];
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array2 = decrypt(array2.Take(array2.Length - 1).ToArray());
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if (num5 == 0 && array2.Length == 8)
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{
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Form.Read((double)(DateTime.Now.Ticks - BitConverter.ToInt64(array2, 0)) / 10000.0);
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}
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else
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{
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Form.Read(array2);
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}
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}
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}
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now = DateTime.Now;
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}
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else
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{
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Thread.Sleep(1);
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}
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b = (byte)((b++ < 2) ? 2 : b);
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byte[] result;
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while (outbuffer.TryDequeue(out result))
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{
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num2 += sockWrite(bw, result, b);
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}
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if ((DateTime.Now - now2).TotalSeconds > 1.0)
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{
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double totalSeconds = (DateTime.Now - now2).TotalSeconds;
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bitratein = (int)Math.Round((double)num / totalSeconds);
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bitrateout = (int)Math.Round((double)num2 / totalSeconds);
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now2 = DateTime.Now;
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num = 0;
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num2 = 0;
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.StackTrace);
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}
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}
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tcpClient.Close();
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stopwatch.Stop();
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}
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public void write(byte[] buf, byte chenal)
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{
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outbuffer.Enqueue(buf);
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}
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public string[] GetStr(int i)
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{
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return new string[0];
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}
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public int GetThCount()
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{
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return 1;
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}
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}
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