cmd/torrent-create/main.go

   1 package main
   2
   3 import (
   4         "log"
   5         "os"
   6
   7         "github.com/anacrolix/tagflag"
   8
   9         "github.com/anacrolix/torrent/bencode"
  10         "github.com/anacrolix/torrent/metainfo"
  11 )
  12
  13 var builtinAnnounceList = [][]string{
  14         {"http://p4p.arenabg.com:1337/announce"},
  15         {"udp://tracker.opentrackr.org:1337/announce"},
  16         {"udp://tracker.openbittorrent.com:6969/announce"},
  17 }
  18
  19 func main() {
  20         log.SetFlags(log.Flags() | log.Lshortfile)
  21         var args struct {
  22                 AnnounceList      []string `name:"a" help:"extra announce-list tier entry"`
  23                 EmptyAnnounceList bool     `name:"n" help:"exclude default announce-list entries"`
  24                 Comment           string   `name:"t" help:"comment"`
  25                 CreatedBy         string   `name:"c" help:"created by"`
  26                 tagflag.StartPos
  27                 Root string
  28         }
  29         tagflag.Parse(&args, tagflag.Description("Creates a torrent metainfo for the file system rooted at ROOT, and outputs it to stdout."))
  30         mi := metainfo.MetaInfo{
  31                 AnnounceList: builtinAnnounceList,
  32         }
  33         if args.EmptyAnnounceList {
  34                 mi.AnnounceList = make([][]string, 0)
  35         }
  36         for _, a := range args.AnnounceList {
  37                 mi.AnnounceList = append(mi.AnnounceList, []string{a})
  38         }
  39         mi.SetDefaults()
  40         if len(args.Comment) > 0 {
  41                 mi.Comment = args.Comment
  42         }
  43         if len(args.CreatedBy) > 0 {
  44                 mi.CreatedBy = args.CreatedBy
  45         }
  46         info := metainfo.Info{
  47                 PieceLength: 256 * 1024,
  48         }
  49         err := info.BuildFromFilePath(args.Root)
  50         if err != nil {
  51                 log.Fatal(err)
  52         }
  53         mi.InfoBytes, err = bencode.Marshal(info)
  54         if err != nil {
  55                 log.Fatal(err)
  56         }
  57         err = mi.Write(os.Stdout)
  58         if err != nil {
  59                 log.Fatal(err)
  60         }
  61 }