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;(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 = 'webtorrentprocess' + port
ipc.config.silent = true
ipc.config.id = nodeKey
var webtorrent = {
add: add,
app: null, // Pid of the app
create: create,
remove: remove,
seed: seed,
silent: false // Useful for beautiful tests
}
function create (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 = 'webtorrentprocess' + port
ipc.config.id = nodeKey
}
ipc.serve(function () {
if (!webtorrent.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 (!webtorrent.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(pathUtils.join(__dirname, 'webtorrentProcess.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())
})
webtorrent.app = webtorrent_process
})
ipc.server.start()
}
function seed (path, callback) {
var extension = pathUtils.extname(path)
var basename = pathUtils.basename(path, extension)
var data = {
_id: basename,
args: {
path: path
}
}
if (!webtorrent.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 (!webtorrent.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)
}
function add (magnetUri, callback) {
var data = {
_id: magnetUri,
args: {
magnetUri: magnetUri
}
}
if (!webtorrent.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 (!webtorrent.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)
}
function remove (magnetUri, callback) {
var data = {
_id: magnetUri,
args: {
magnetUri: magnetUri
}
}
if (!webtorrent.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 (!webtorrent.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 = webtorrent
})()
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