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9f10b292 C |
1 | 'use strict' |
2 | ||
3 | var config = require('config') | |
4 | var ipc = require('node-ipc') | |
5 | var pathUtils = require('path') | |
6 | var spawn = require('electron-spawn') | |
7 | ||
8 | var logger = require('../helpers/logger') | |
9 | ||
10 | var host = config.get('webserver.host') | |
11 | var port = config.get('webserver.port') | |
12 | var nodeKey = 'webtorrentnode' + port | |
13 | var processKey = 'webtorrentprocess' + port | |
14 | ipc.config.silent = true | |
15 | ipc.config.id = nodeKey | |
16 | ||
17 | var webtorrent = { | |
18 | add: add, | |
19 | app: null, // Pid of the app | |
20 | create: create, | |
21 | remove: remove, | |
22 | seed: seed, | |
23 | silent: false // Useful for beautiful tests | |
24 | } | |
25 | ||
26 | function create (options, callback) { | |
27 | if (typeof options === 'function') { | |
28 | callback = options | |
29 | options = {} | |
c5a8be2b | 30 | } |
8c308c2b | 31 | |
9f10b292 C |
32 | // Override options |
33 | if (options.host) host = options.host | |
34 | if (options.port) { | |
35 | port = options.port | |
36 | nodeKey = 'webtorrentnode' + port | |
37 | processKey = 'webtorrentprocess' + port | |
38 | ipc.config.id = nodeKey | |
39 | } | |
8c308c2b | 40 | |
9f10b292 C |
41 | ipc.serve(function () { |
42 | if (!webtorrent.silent) logger.info('IPC server ready.') | |
8c308c2b | 43 | |
9f10b292 C |
44 | // Run a timeout of 30s after which we exit the process |
45 | var timeout_webtorrent_process = setTimeout(function () { | |
46 | logger.error('Timeout : cannot run the webtorrent process. Please ensure you have electron-prebuilt npm package installed with xvfb-run.') | |
47 | process.exit() | |
48 | }, 30000) | |
8c308c2b | 49 | |
9f10b292 C |
50 | ipc.server.on(processKey + '.ready', function () { |
51 | if (!webtorrent.silent) logger.info('Webtorrent process ready.') | |
52 | clearTimeout(timeout_webtorrent_process) | |
53 | callback() | |
54 | }) | |
8c308c2b | 55 | |
9f10b292 C |
56 | ipc.server.on(processKey + '.exception', function (data) { |
57 | logger.error('Received exception error from webtorrent process.', { exception: data.exception }) | |
58 | process.exit() | |
59 | }) | |
8c308c2b | 60 | |
9f10b292 C |
61 | var webtorrent_process = spawn(pathUtils.join(__dirname, 'webtorrentProcess.js'), host, port, { detached: true }) |
62 | webtorrent_process.stderr.on('data', function (data) { | |
63 | // logger.debug('Webtorrent process stderr: ', data.toString()) | |
64 | }) | |
8c308c2b | 65 | |
9f10b292 C |
66 | webtorrent_process.stdout.on('data', function (data) { |
67 | // logger.debug('Webtorrent process:', data.toString()) | |
c5a8be2b | 68 | }) |
8c308c2b | 69 | |
9f10b292 C |
70 | webtorrent.app = webtorrent_process |
71 | }) | |
8c308c2b | 72 | |
9f10b292 C |
73 | ipc.server.start() |
74 | } | |
75 | ||
76 | function seed (path, callback) { | |
77 | var extension = pathUtils.extname(path) | |
78 | var basename = pathUtils.basename(path, extension) | |
79 | var data = { | |
80 | _id: basename, | |
81 | args: { | |
82 | path: path | |
8c308c2b | 83 | } |
9f10b292 | 84 | } |
8c308c2b | 85 | |
9f10b292 | 86 | if (!webtorrent.silent) logger.debug('Node wants to seed %s.', data._id) |
8c308c2b | 87 | |
9f10b292 C |
88 | // Finish signal |
89 | var event_key = nodeKey + '.seedDone.' + data._id | |
90 | ipc.server.on(event_key, function listener (received) { | |
91 | if (!webtorrent.silent) logger.debug('Process seeded torrent %s.', received.magnetUri) | |
c5a8be2b | 92 | |
9f10b292 C |
93 | // This is a fake object, we just use the magnetUri in this project |
94 | var torrent = { | |
95 | magnetURI: received.magnetUri | |
96 | } | |
8c308c2b | 97 | |
9f10b292 C |
98 | ipc.server.off(event_key) |
99 | callback(torrent) | |
100 | }) | |
c5a8be2b | 101 | |
9f10b292 C |
102 | ipc.server.broadcast(processKey + '.seed', data) |
103 | } | |
c5a8be2b | 104 | |
9f10b292 C |
105 | function add (magnetUri, callback) { |
106 | var data = { | |
107 | _id: magnetUri, | |
108 | args: { | |
109 | magnetUri: magnetUri | |
8c308c2b | 110 | } |
9f10b292 | 111 | } |
8c308c2b | 112 | |
9f10b292 | 113 | if (!webtorrent.silent) logger.debug('Node wants to add ' + data._id) |
8c308c2b | 114 | |
9f10b292 C |
115 | // Finish signal |
116 | var event_key = nodeKey + '.addDone.' + data._id | |
117 | ipc.server.on(event_key, function (received) { | |
118 | if (!webtorrent.silent) logger.debug('Process added torrent.') | |
c5a8be2b | 119 | |
9f10b292 C |
120 | // This is a fake object, we just use the magnetUri in this project |
121 | var torrent = { | |
122 | files: received.files | |
123 | } | |
8c308c2b | 124 | |
9f10b292 C |
125 | ipc.server.off(event_key) |
126 | callback(torrent) | |
127 | }) | |
0ae2e7f7 | 128 | |
9f10b292 C |
129 | ipc.server.broadcast(processKey + '.add', data) |
130 | } | |
c5a8be2b | 131 | |
9f10b292 C |
132 | function remove (magnetUri, callback) { |
133 | var data = { | |
134 | _id: magnetUri, | |
135 | args: { | |
136 | magnetUri: magnetUri | |
c5a8be2b | 137 | } |
9f10b292 | 138 | } |
c5a8be2b | 139 | |
9f10b292 | 140 | if (!webtorrent.silent) logger.debug('Node wants to stop seeding %s.', data._id) |
c5a8be2b | 141 | |
9f10b292 C |
142 | // Finish signal |
143 | var event_key = nodeKey + '.removeDone.' + data._id | |
144 | ipc.server.on(event_key, function (received) { | |
145 | if (!webtorrent.silent) logger.debug('Process removed torrent %s.', data._id) | |
c5a8be2b | 146 | |
9f10b292 C |
147 | var err = null |
148 | if (received.err) err = received.err | |
c5a8be2b | 149 | |
9f10b292 C |
150 | ipc.server.off(event_key) |
151 | callback(err) | |
152 | }) | |
c5a8be2b | 153 | |
9f10b292 C |
154 | ipc.server.broadcast(processKey + '.remove', data) |
155 | } | |
c45f7f84 | 156 | |
9f10b292 | 157 | // --------------------------------------------------------------------------- |
c45f7f84 | 158 | |
9f10b292 | 159 | module.exports = webtorrent |