1 files changed, 160 insertions, 0 deletions

diff --git a/lib/webTorrentNode.js b/lib/webTorrentNode.js
new file mode 100644
index 000000000..8827c68c5
--- /dev/null
+++ b/lib/webTorrentNode.js
@@ -0,0 +1,160 @@
+;(function () {
+  'use strict'
+
+  var config = require('config')
+  var ipc = require('node-ipc')
+  var pathUtils = require('path')
+  var spawn = require('electron-spawn')
+
+  var logger = require('../helpers/logger')
+
+  var host = config.get('webserver.host')
+  var port = config.get('webserver.port')
+
+  var nodeKey = 'webtorrentnode' + port
+  var processKey = 'webtorrent' + port
+
+  ipc.config.silent = true
+  ipc.config.id = nodeKey
+
+  var webtorrentnode = {}
+
+  // Useful for beautiful tests
+  webtorrentnode.silent = false
+
+  // Useful to kill it
+  webtorrentnode.app = null
+
+  webtorrentnode.create = function (options, callback) {
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+
+    // Override options
+    if (options.host) host = options.host
+    if (options.port) {
+      port = options.port
+      nodeKey = 'webtorrentnode' + port
+      processKey = 'webtorrent' + port
+      ipc.config.id = nodeKey
+    }
+
+    ipc.serve(function () {
+      if (!webtorrentnode.silent) logger.info('IPC server ready.')
+
+      // Run a timeout of 30s after which we exit the process
+      var timeout_webtorrent_process = setTimeout(function () {
+        logger.error('Timeout : cannot run the webtorrent process. Please ensure you have electron-prebuilt npm package installed with xvfb-run.')
+        process.exit()
+      }, 30000)
+
+      ipc.server.on(processKey + '.ready', function () {
+        if (!webtorrentnode.silent) logger.info('Webtorrent process ready.')
+        clearTimeout(timeout_webtorrent_process)
+        callback()
+      })
+
+      ipc.server.on(processKey + '.exception', function (data) {
+        logger.error('Received exception error from webtorrent process.', { exception: data.exception })
+        process.exit()
+      })
+
+      var webtorrent_process = spawn(__dirname + '/webtorrent.js', host, port, { detached: true })
+      webtorrent_process.stderr.on('data', function (data) {
+        // logger.debug('Webtorrent process stderr: ', data.toString())
+      })
+
+      webtorrent_process.stdout.on('data', function (data) {
+        // logger.debug('Webtorrent process:', data.toString())
+      })
+
+      webtorrentnode.app = webtorrent_process
+    })
+
+    ipc.server.start()
+  }
+
+  webtorrentnode.seed = function (path, callback) {
+    var extension = pathUtils.extname(path)
+    var basename = pathUtils.basename(path, extension)
+    var data = {
+      _id: basename,
+      args: {
+        path: path
+      }
+    }
+
+    if (!webtorrentnode.silent) logger.debug('Node wants to seed %s.', data._id)
+
+    // Finish signal
+    var event_key = nodeKey + '.seedDone.' + data._id
+    ipc.server.on(event_key, function listener (received) {
+      if (!webtorrentnode.silent) logger.debug('Process seeded torrent %s.', received.magnetUri)
+
+      // This is a fake object, we just use the magnetUri in this project
+      var torrent = {
+        magnetURI: received.magnetUri
+      }
+
+      ipc.server.off(event_key)
+      callback(torrent)
+    })
+
+    ipc.server.broadcast(processKey + '.seed', data)
+  }
+
+  webtorrentnode.add = function (magnetUri, callback) {
+    var data = {
+      _id: magnetUri,
+      args: {
+        magnetUri: magnetUri
+      }
+    }
+
+    if (!webtorrentnode.silent) logger.debug('Node wants to add ' + data._id)
+
+    // Finish signal
+    var event_key = nodeKey + '.addDone.' + data._id
+    ipc.server.on(event_key, function (received) {
+      if (!webtorrentnode.silent) logger.debug('Process added torrent.')
+
+      // This is a fake object, we just use the magnetUri in this project
+      var torrent = {
+        files: received.files
+      }
+
+      ipc.server.off(event_key)
+      callback(torrent)
+    })
+
+    ipc.server.broadcast(processKey + '.add', data)
+  }
+
+  webtorrentnode.remove = function (magnetUri, callback) {
+    var data = {
+      _id: magnetUri,
+      args: {
+        magnetUri: magnetUri
+      }
+    }
+
+    if (!webtorrentnode.silent) logger.debug('Node wants to stop seeding %s.', data._id)
+
+    // Finish signal
+    var event_key = nodeKey + '.removeDone.' + data._id
+    ipc.server.on(event_key, function (received) {
+      if (!webtorrentnode.silent) logger.debug('Process removed torrent %s.', data._id)
+
+      var err = null
+      if (received.err) err = received.err
+
+      ipc.server.off(event_key)
+      callback(err)
+    })
+
+    ipc.server.broadcast(processKey + '.remove', data)
+  }
+
+  module.exports = webtorrentnode
+})()