node-torrent-stream

Create a torrent from a readStream in node.js

Usage

var torrent = new Torrent(options);

Options

announce: {String, required} - The url of the torrent tracker, this is required unless trackers is included
name: {String, required} - The name of this torrent
trackers: {Array of Arrays of Strings} - List of torrent tracker URLs that this torrent is published to
pieceLength: {Number, optional} - The size in mebibytes for each piece, should be a power of 2
encoding: {String, optional} - The string encoding type for generating pieces
createdBy: {String, optional} - Torrent author name
private: {Boolean, optional} - Flag used for private trackers to prevent DHT peering

Method: addFile(stream, path);

stream: {Stream, required} - A readable stream which is the source of data you want to add to the torrent
path: {String, required} - A string representation of the path for this file, ex: 'file.txt'

Multi-tracker format

The multi-tracker format for torrent files is as follows:
[['http://tracker1', 'http://tracker2'], ['http://backupTracker1']]
For a full view on the multi-tracker spec go here: http://bittorrent.org/beps/bep_0012.html

Examples

Single file

var fs = require('fs');
var Torrent = require('node-torrent-stream');

//Some sort of readable stream which is one file to be turned into a torrent
var rs = fs.createReadStream('./myFile.md');

//Some sort of writeable stream to which a torrent file will be written
var ws = fs.createWriteStream('./test' + Date.now() + '.torrent');

//The torrent streamer
var ts = new Torrent({announce: 'test.com', name: 'test'});

rs.pipe(ts);
x.pipe(ws);

Multi-file

var rs1 = fs.createReadStream('./README.md');
var rs2 = fs.createReadStream('./license.md');
var nws = fs.createWriteStream('./multi' + Date.now() + '.torrent');

var mts = new Torrent({
  announce: "http://totally_a_real_tracker.com/announce",
  name: "MyDirectory",
  encoding: 'UTF-8',
  pieceLength: 2097152
});

//Must use addFile for mutli-file operations, eventually a directory method will be added to do this automatically
mts.addFile(rs1, 'readme.md');
mts.addFile(rs2, 'license.md');
mts.pipe(nws);