feat: torrentHost, interface binding

README.md

@@ -1,12 +1,19 @@
 # bittorrent-lsd [![ci][ci-image]][ci-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
 
 [ci-image]: https://github.com/webtorrent/bittorrent-lsd/actions/workflows/ci.yml/badge.svg?branch=master
+
 [ci-url]: https://github.com/webtorrent/bittorrent-lsd/actions/workflows/ci.yml
+
 [npm-image]: https://img.shields.io/npm/v/bittorrent-lsd.svg
+
 [npm-url]: https://npmjs.org/package/bittorrent-lsd
+
 [downloads-image]: https://img.shields.io/npm/dm/bittorrent-lsd.svg
+
 [downloads-url]: https://npmjs.org/package/bittorrent-lsd
+
 [standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+
 [standard-url]: https://standardjs.com
 
 ### Local Service Discovery (BEP14) implementation.
@@ -27,7 +34,8 @@ npm install bittorrent-lsd
 const opts = {
   peerId: new Buffer('01234567890123456789'), // hex string or Buffer
   infoHash: new Buffer('01234567890123456789'), // hex string or Buffer
-  port: common.randomPort() // torrent client port
+  port: common.randomPort(), // torrent client port
+  host: '0.0.0.0' // torrent client host or network interface to bind to
 }
 
 const lsd = new LSD(opts)
@@ -45,23 +53,29 @@ lsd.destroy()
 ## api
 
 ### `lsd = new LSD([opts])`
+
 Create a new `lsd` instance.
 
 ### `lsd.start()`
+
 Start listening and sending (every 5 minutes) for local network announces.
 
 ### `lsd.destroy([callback])`
+
 Destroy the LSD. Closes the socket and cleans up resources.
 
 ## events
 
 ### `lsd.on('peer', (peerAddress, infoHash) => { ... })`
+
 Emitted when a potential peer is found. `peerAddress` is of the form `host:port`. `infoHash` is the torrent info hash.
 
 ### `lsd.on('warning', (err) => { ... })`
+
 Emitted when the LSD gets an unexpected message.
 
 ### `lsd.on('error', (err) => { ... })`
+
 Emitted when the LSD has a fatal error.
 
 ## license

index.js

@@ -33,6 +33,8 @@ class LSD extends EventEmitter {
 
     this.cookie = `bittorrent-lsd-${this.peerId}`
 
+    this._host = opts.host
+
     this.destroyed = false
     this.annouceIntervalId = null
 
@@ -139,7 +141,7 @@ class LSD extends EventEmitter {
 
   start () {
     debug('start')
-    this.server.bind(LSD_PORT)
+    this.server.bind(LSD_PORT, this._host)
     this._announce()
 
     this.annouceIntervalId = setInterval(() => {