func createTorrent(fileName string, f io.ReadCloser, r *http.Request) ([]byte, error) {
chunk := make([]byte, TORRENT_PIECE_LENGTH)
torrent := Torrent{
Encoding: "UTF-8",
Info: TorrentInfo{
PieceLength: TORRENT_PIECE_LENGTH,
Name: fileName,
},
UrlList: []string{fmt.Sprintf("%sselif/%s", getSiteURL(r), fileName)},
}
for {
n, err := f.Read(chunk)
if err == io.EOF {
break
} else if err != nil {
return []byte{}, err
}
torrent.Info.Length += n
torrent.Info.Pieces += string(hashPiece(chunk[:n]))
}
data, err := bencode.EncodeBytes(&torrent)
if err != nil {
return []byte{}, err
}
return data, nil
}
// Encode KRPC response package
func (k *KRPC) EncodeResponsePackage(tid string, response map[string]string) ([]byte, error) {
dat := make(map[string]interface{})
dat["t"] = tid
dat["y"] = "r"
dat["r"] = response
return bencode.EncodeBytes(dat)
}
// Encode KRPC Query package
func (k *KRPC) EncodeQueryPackage(methodName string, args map[string]interface{}) ([]byte, error) {
dat := make(map[string]interface{})
dat["t"] = fmt.Sprintf("%d", k.GenerateTID())
dat["y"] = "q"
dat["q"] = methodName
dat["a"] = args
return bencode.EncodeBytes(dat)
}