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|---|---|---|
| bencode | ||
| cmd | ||
| dht | ||
| fs | ||
| internal | ||
| iplist | ||
| logonce | ||
| metainfo | ||
| mmap_span | ||
| mse | ||
| peer_protocol | ||
| storage | ||
| testdata | ||
| tracker | ||
| util | ||
| LICENSE | ||
| README.md | ||
| TODO | ||
| client.go | ||
| client_test.go | ||
| config.go | ||
| connection.go | ||
| connection_test.go | ||
| doc.go | ||
| example_test.go | ||
| file.go | ||
| file_test.go | ||
| global.go | ||
| misc.go | ||
| misc_test.go | ||
| pex.go | ||
| pex_test.go | ||
| piece.go | ||
| piecestate.go | ||
| reader.go | ||
| reader_test.go | ||
| t.go | ||
| torrent.go | ||
| torrent_test.go | ||
| worst_conns.go | ||
README.md
torrent
This repository implements BitTorrent-related packages and command-line utilities in Go. The emphasis is on use as a library from other projects. It's been used 24/7 in production by a downstream, private service since late 2014.
There is support for protocol encryption, DHT, PEX, uTP, and various extensions. See the package documentation for a more complete list. There are several data storage backends provided: blob, file, and mmap, and you can write your own, such as to store data on S3, or in a database. You can use the provided binaries in ./cmd, or use torrent as a library for your own applications.
Many of the sub-packages can be used for other purposes: dht, bencode, and tracker, in particular.
Installation
Install the library package with go get github.com/anacrolix/torrent, or the provided cmds with go get github.com/anacrolix/torrent/cmd/....
Library example
There is a small example in the package documentation.
Other projects using Torrent
Commands
Here I'll describe what some of the provided commands in ./cmd do.
Note that the godo command which is invoked in the following examples builds and executes a Go import path, like go run. It's easier to use this convention than to spell out the install/invoke cycle for every single example.
torrent
Downloads torrents from the command-line.
$ go get github.com/anacrolix/torrent/cmd/torrent
$ torrent 'magnet:?xt=urn:btih:KRWPCX3SJUM4IMM4YF5RPHL6ANPYTQPU'
2015/04/01 02:08:20 main.go:137: downloaded ALL the torrents
$ md5sum ubuntu-14.04.2-desktop-amd64.iso
1b305d585b1918f297164add46784116 ubuntu-14.04.2-desktop-amd64.iso
$ echo such amaze
wow
torrentfs
torrentfs mounts a FUSE filesystem at -mountDir. The contents are the torrents described by the torrent files and magnet links at -torrentPath. Data for read requests is fetched only as required from the torrent network, and stored at -downloadDir.
$ mkdir mnt torrents
$ godo github.com/anacrolix/torrent/cmd/torrentfs -mountDir mnt -torrentPath torrents &
$ cd torrents
$ wget http://releases.ubuntu.com/14.04.2/ubuntu-14.04.2-desktop-amd64.iso.torrent
$ cd ..
$ ls mnt
ubuntu-14.04.2-desktop-amd64.iso
$ pv mnt/ubuntu-14.04.2-desktop-amd64.iso | md5sum
996MB 0:04:40 [3.55MB/s] [========================================>] 100%
1b305d585b1918f297164add46784116 -
torrent-magnet
Creates a magnet link from a torrent file. Note the extracted trackers, display name, and info hash.
$ godo github.com/anacrolix/torrent/cmd/torrent-magnet < ubuntu-14.04.2-desktop-amd64.iso.torrent
magnet:?xt=urn:btih:546cf15f724d19c4319cc17b179d7e035f89c1f4&dn=ubuntu-14.04.2-desktop-amd64.iso&tr=http%3A%2F%2Ftorrent.ubuntu.com%3A6969%2Fannounce&tr=http%3A%2F%2Fipv6.torrent.ubuntu.com%3A6969%2Fannounce
dht-ping
Pings DHT nodes with the given network addresses.
$ godo ./cmd/dht-ping router.bittorrent.com:6881 router.utorrent.com:6881
2015/04/01 17:21:23 main.go:33: dht server on [::]:60058
32f54e697351ff4aec29cdbaabf2fbe3467cc267 (router.bittorrent.com:6881): 648.218621ms
ebff36697351ff4aec29cdbaabf2fbe3467cc267 (router.utorrent.com:6881): 873.864706ms
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