public TrackerResponse MakeWebRequest(Uri uriQuest, string httpProtocol, string headers) { Encoding encoder = Encoding.GetEncoding(0x4e4); Socket = new SocketEx(Proxy, ProxyServer, ProxyPort, ProxyUser, ProxyPassword); Socket.SetTimeout(0x30d40); Socket.PreAuthenticate = false; log.Info($"Connecting to {uriQuest.Host}:{uriQuest.Port}"); for (int i = 0; i < 5; i++) { try { Socket.Connect(uriQuest.Host, uriQuest.Port); log.Info("Connected Successfully"); break; } catch (Exception ex) { log.Warn(ex); log.Warn("Failed connection attempt: " + i); } } if (!Socket.Connected) { log.Error("Unable to connect. Quitting..."); return(null); } log.Info("======== Sending Command to Tracker ========"); string cmd = "GET " + uriQuest.PathAndQuery + " " + httpProtocol + "\r\n" + headers.Replace("{host}", uriQuest.Host) + "\r\n"; Socket.Send(encoder.GetBytes(cmd)); try { byte[] data = new byte[32 * 1024]; using (MemoryStream memStream = new MemoryStream()) { int dataLen = Socket.Receive(data); while (dataLen > 0) { memStream.Write(data, 0, dataLen); dataLen = Socket.Receive(data); } if (memStream.Length == 0) { log.Info("Error : Tracker Response is empty"); return(null); } TrackerResponse trackerResponse = new TrackerResponse(memStream); memStream.Close(); Socket.Close(); if (trackerResponse.doRedirect) { return(MakeWebRequest(new Uri(trackerResponse.RedirectionURL), httpProtocol, headers)); } log.Info("======== Tracker Response ========"); log.Info(trackerResponse.Headers.ToString()); if (trackerResponse.Dico == null) { log.Warn("*** Failed to decode tracker response :"); log.Warn(trackerResponse.Body); } return(trackerResponse); } } catch (Exception ex) { Socket.Close(); log.Error(ex); return(null); } }