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();
答
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
!