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1 | ;(function () { | |
2 | 'use strict' | |
3 | ||
4 | var config = require('config') | |
5 | var ipc = require('node-ipc') | |
6 | var pathUtils = require('path') | |
7 | var spawn = require('electron-spawn') | |
8 | ||
9 | var logger = require('../helpers/logger') | |
10 | ||
11 | var host = config.get('webserver.host') | |
12 | var port = config.get('webserver.port') | |
13 | var nodeKey = 'webtorrentnode' + port | |
14 | var processKey = 'webtorrent' + port | |
15 | ipc.config.silent = true | |
16 | ipc.config.id = nodeKey | |
17 | ||
18 | var webtorrentnode = { | |
19 | add: add, | |
20 | app: null, // Pid of the app | |
21 | create: create, | |
22 | remove: remove, | |
23 | seed: seed, | |
24 | silent: false // Useful for beautiful tests | |
25 | } | |
26 | ||
27 | function create (options, callback) { | |
28 | if (typeof options === 'function') { | |
29 | callback = options | |
30 | options = {} | |
31 | } | |
32 | ||
33 | // Override options | |
34 | if (options.host) host = options.host | |
35 | if (options.port) { | |
36 | port = options.port | |
37 | nodeKey = 'webtorrentnode' + port | |
38 | processKey = 'webtorrent' + port | |
39 | ipc.config.id = nodeKey | |
40 | } | |
41 | ||
42 | ipc.serve(function () { | |
43 | if (!webtorrentnode.silent) logger.info('IPC server ready.') | |
44 | ||
45 | // Run a timeout of 30s after which we exit the process | |
46 | var timeout_webtorrent_process = setTimeout(function () { | |
47 | logger.error('Timeout : cannot run the webtorrent process. Please ensure you have electron-prebuilt npm package installed with xvfb-run.') | |
48 | process.exit() | |
49 | }, 30000) | |
50 | ||
51 | ipc.server.on(processKey + '.ready', function () { | |
52 | if (!webtorrentnode.silent) logger.info('Webtorrent process ready.') | |
53 | clearTimeout(timeout_webtorrent_process) | |
54 | callback() | |
55 | }) | |
56 | ||
57 | ipc.server.on(processKey + '.exception', function (data) { | |
58 | logger.error('Received exception error from webtorrent process.', { exception: data.exception }) | |
59 | process.exit() | |
60 | }) | |
61 | ||
62 | var webtorrent_process = spawn(__dirname + '/webtorrent.js', host, port, { detached: true }) | |
63 | webtorrent_process.stderr.on('data', function (data) { | |
64 | // logger.debug('Webtorrent process stderr: ', data.toString()) | |
65 | }) | |
66 | ||
67 | webtorrent_process.stdout.on('data', function (data) { | |
68 | // logger.debug('Webtorrent process:', data.toString()) | |
69 | }) | |
70 | ||
71 | webtorrentnode.app = webtorrent_process | |
72 | }) | |
73 | ||
74 | ipc.server.start() | |
75 | } | |
76 | ||
77 | function seed (path, callback) { | |
78 | var extension = pathUtils.extname(path) | |
79 | var basename = pathUtils.basename(path, extension) | |
80 | var data = { | |
81 | _id: basename, | |
82 | args: { | |
83 | path: path | |
84 | } | |
85 | } | |
86 | ||
87 | if (!webtorrentnode.silent) logger.debug('Node wants to seed %s.', data._id) | |
88 | ||
89 | // Finish signal | |
90 | var event_key = nodeKey + '.seedDone.' + data._id | |
91 | ipc.server.on(event_key, function listener (received) { | |
92 | if (!webtorrentnode.silent) logger.debug('Process seeded torrent %s.', received.magnetUri) | |
93 | ||
94 | // This is a fake object, we just use the magnetUri in this project | |
95 | var torrent = { | |
96 | magnetURI: received.magnetUri | |
97 | } | |
98 | ||
99 | ipc.server.off(event_key) | |
100 | callback(torrent) | |
101 | }) | |
102 | ||
103 | ipc.server.broadcast(processKey + '.seed', data) | |
104 | } | |
105 | ||
106 | function add (magnetUri, callback) { | |
107 | var data = { | |
108 | _id: magnetUri, | |
109 | args: { | |
110 | magnetUri: magnetUri | |
111 | } | |
112 | } | |
113 | ||
114 | if (!webtorrentnode.silent) logger.debug('Node wants to add ' + data._id) | |
115 | ||
116 | // Finish signal | |
117 | var event_key = nodeKey + '.addDone.' + data._id | |
118 | ipc.server.on(event_key, function (received) { | |
119 | if (!webtorrentnode.silent) logger.debug('Process added torrent.') | |
120 | ||
121 | // This is a fake object, we just use the magnetUri in this project | |
122 | var torrent = { | |
123 | files: received.files | |
124 | } | |
125 | ||
126 | ipc.server.off(event_key) | |
127 | callback(torrent) | |
128 | }) | |
129 | ||
130 | ipc.server.broadcast(processKey + '.add', data) | |
131 | } | |
132 | ||
133 | function remove (magnetUri, callback) { | |
134 | var data = { | |
135 | _id: magnetUri, | |
136 | args: { | |
137 | magnetUri: magnetUri | |
138 | } | |
139 | } | |
140 | ||
141 | if (!webtorrentnode.silent) logger.debug('Node wants to stop seeding %s.', data._id) | |
142 | ||
143 | // Finish signal | |
144 | var event_key = nodeKey + '.removeDone.' + data._id | |
145 | ipc.server.on(event_key, function (received) { | |
146 | if (!webtorrentnode.silent) logger.debug('Process removed torrent %s.', data._id) | |
147 | ||
148 | var err = null | |
149 | if (received.err) err = received.err | |
150 | ||
151 | ipc.server.off(event_key) | |
152 | callback(err) | |
153 | }) | |
154 | ||
155 | ipc.server.broadcast(processKey + '.remove', data) | |
156 | } | |
157 | ||
158 | // --------------------------------------------------------------------------- | |
159 | ||
160 | module.exports = webtorrentnode | |
161 | })() |