torrent/spec.go

49 lines
1.2 KiB
Go

package torrent
import (
"github.com/anacrolix/torrent/metainfo"
"github.com/anacrolix/torrent/storage"
)
// Specifies a new torrent for adding to a client. There are helpers for
// magnet URIs and torrent metainfo files.
type TorrentSpec struct {
// The tiered tracker URIs.
Trackers [][]string
InfoHash metainfo.Hash
InfoBytes []byte
// The name to use if the Name field from the Info isn't available.
DisplayName string
// The chunk size to use for outbound requests. Defaults to 16KiB if not
// set.
ChunkSize int
Storage storage.ClientImpl
}
func TorrentSpecFromMagnetURI(uri string) (spec *TorrentSpec, err error) {
m, err := metainfo.ParseMagnetURI(uri)
if err != nil {
return
}
spec = &TorrentSpec{
Trackers: [][]string{m.Trackers},
DisplayName: m.DisplayName,
InfoHash: m.InfoHash,
}
return
}
func TorrentSpecFromMetaInfo(mi *metainfo.MetaInfo) (spec *TorrentSpec) {
info, _ := mi.UnmarshalInfo()
spec = &TorrentSpec{
Trackers: mi.AnnounceList,
InfoBytes: mi.InfoBytes,
DisplayName: info.Name,
InfoHash: mi.HashInfoBytes(),
}
if spec.Trackers == nil && mi.Announce != "" {
spec.Trackers = [][]string{{mi.Announce}}
}
return
}