private void HandleResponse(IAsyncResult result)
{
byte[] data;
using (HttpWebResponse response = (HttpWebResponse)httpWebRequest.EndGetResponse(result))
{
if (response.StatusCode != HttpStatusCode.OK)
{
Console.WriteLine("error reaching tracker " + this + ": " + response.StatusCode + " " + response.StatusDescription);
return;
}
using (Stream stream = response.GetResponseStream())
{
data = new byte[response.ContentLength];
stream.Read(data, 0, Convert.ToInt32(response.ContentLength));
}
}
Dictionary <string, object> info = BEncoding.Decode(data) as Dictionary <string, object>;
if (info == null)
{
Console.WriteLine("unable to decode tracker announce response");
return;
}
PeerRequestInterval = TimeSpan.FromSeconds((long)info["interval"]);
byte[] peerInfo = (byte[])info["peers"];
List <IPEndPoint> peers = new List <IPEndPoint>();
for (int i = 0; i < peerInfo.Length / 6; i++)
{
int offset = i * 6;
string address = peerInfo[offset] + "." + peerInfo[offset + 1] + "." + peerInfo[offset + 2] + "." + peerInfo[offset + 3];
int port = EndianBitConverter.Big.ToChar(peerInfo, offset + 4);
peers.Add(new IPEndPoint(IPAddress.Parse(address), port));
}
var handler = PeerListUpdated;
if (handler != null)
{
handler(this, peers);
}
}
public static object DecodeFile(string path)
{
byte[] bytes = File.ReadAllBytes(path);
return(BEncoding.Decode(bytes));
}
