C#UDP Tracker协议 - 无法接收数据

问题描述:

您可以告诉我为什么我无法接收数据。
我使用的UDP协议追踪来自:http://www.bittorrent.org/beps/bep_0015.htmlC#UDP Tracker协议 - 无法接收数据

这里是我的代码时,我试图从UDP信息://tracker.openbittorrent.com:80 /宣布

 Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); 
     client.Connect("tracker.openbittorrent.com", 80); 

     byte[] conPacket = new byte[16]; 
     byte[] temp = BitConverter.GetBytes(0x41727101980); 
     byte[] temp2 = BitConverter.GetBytes(0); 
     byte[] temp3 = BitConverter.GetBytes(new Random().Next(0, 65535)); 
     Array.Copy(temp, 0, conPacket, 0, 8); 
     Array.Copy(temp2, 0, conPacket, 8, 4); 
     Array.Copy(temp3, 0, conPacket, 12, 4); 
     client.Send(conPacket); 

     byte[] recvPacket = new byte[16]; 
     client.Receive(recvPacket); <--------------- Waiting for response 
     client.Close(); 

好了,以后几个小时的研究我终于决定使用Wireshark来查找请求包。

我发现我的数据包没有正确的顺序。 (

这是新代码

 Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); 
     client.Connect(tracker, port); 

     byte[] conPacket = new byte[16]; 
     byte[] temp = BitConverter.GetBytes(0x41727101980).Reverse().ToArray(); 
     byte[] temp2 = BitConverter.GetBytes(0); 
     byte[] temp3 = BitConverter.GetBytes(new Random().Next(0, 65535)); 
     Array.Copy(temp, 0, conPacket, 0, 8); 
     Array.Copy(temp2, 0, conPacket, 8, 4); 
     Array.Copy(temp3, 0, conPacket, 12, 4); 
     //Connect to the protocol 
     client.Send(conPacket); 

     byte[] response = new byte[16]; 
     client.Receive(response); 

它的工作现在