Cleaned up torrent client routine on stream

components/videoPlayer.vue

@@ -68,7 +68,8 @@
         autoplay: true,
         isAss: false,
         styles: null,
-        info: null
+        info: null,
+        isMagnetRe: /^magnet:\?/
       }
     },
     computed: {
@@ -77,15 +78,21 @@
           return this.$store.state.config.config.video
         },
         set () {}
+      },
+      isMagnet () {
+        return this.isMagnetRe.test(this.value)
       }
     },
+    async created () {
+      if (this.isMagnet) await this.$axios.get('torrent/init')
+    },
     mounted () {
       const { video } = this.$refs
       const textTracks = {}
 
       video.addEventListener('loadedmetadata', () => {
-        // We need to get the subtitles only when the torrent is ready to be read. Otherwise,
-        // there is no file to get the subtitles from.
+        // We need to get the subtitles only when the torrent is ready to be read.
+        // Otherwise, there is no file to get the subtitles from.
         this.eventSource = new window.EventSource(`/tracks/${this.value}`)
 
         this.eventSource.addEventListener('tracks', ({ data }) => {
@@ -135,7 +142,7 @@
       const { head } = document
       head.removeChild(head.children[head.childElementCount - 1])
 
-      if (/^magnet:\?/.test(this.value)) {
+      if (this.isMagnet) {
         this.$axios.delete('torrent/remove', {
           params: {
             magnet: this.value

server/torrent/index.js

@@ -1,11 +1,10 @@
-const {init, add, remove, events} = require('./torrent.js')
-const sseExpress = require('sse-express')
+const {init, add, remove, infoClient} = require('./torrent.js')
 
 const routes = [
   (app) => app.get('/torrent/init', init),
   (app) => app.get('/torrent/add', add),
   (app) => app.delete('/torrent/remove', remove),
-  (app) => app.all(/torrent\/listen(.*)/, sseExpress, events)
+  (app) => app.all('torrent/client/info', infoClient)
 ]
 
 module.exports = routes

server/torrent/torrent.js

@@ -4,7 +4,14 @@ const logger = new Logger('Torrent Client')
 
 // TODO Limit download speed, check https://github.com/webtorrent/webtorrent/issues/163
 
+const isClientExisting = () => {
+  const client = process.torrentClient
+
+  return !client || (client && client.destroyed)
+}
+
 const init = (req, res) => {
+  if (isClientExisting()) {
     process.torrentClient = new WebTorrent()
     logger.info('Instanciated torrent client.')
 
@@ -16,12 +23,15 @@ const init = (req, res) => {
     process.torrentClient.on('error', (err) => {
       logger.error('Client encounered an error.', err)
     })
+  } else {
+    logger.info('Torrent client already instanciated.')
+  }
 
   res.send()
 }
 
 const add = ({query: {magnet}}, res) => {
-  if (!process.torrentClient) {
+  if (isClientExisting()) {
     init(null, res)
   }
 
@@ -33,6 +43,8 @@ const add = ({query: {magnet}}, res) => {
 }
 
 const remove = ({query: {magnet}}, res) => {
+  // Be careful calling this one.
+
   process.torrentClient.remove(magnet, (err) => {
     err
       ? logger.error(`Error while removing ${magnet}`, err)
@@ -50,13 +62,19 @@ const remove = ({query: {magnet}}, res) => {
   res.send()
 }
 
-const events = (req, res) => {
+const infoClient = (req, res) => {
+  const result = {}
 
+  if (isClientExisting()) {
+
+  }
+
+  res.send(result)
 }
 
 module.exports = {
   init,
   add,
   remove,
-  events
+  infoClient
 }

server/video/streaming.js

@@ -1,5 +1,4 @@
 const fs = require('fs')
-const WebTorrent = require('webtorrent')
 const parseRange = require('range-parser')
 const mime = require('mime')
 const {Logger} = require('../utils')
@@ -8,11 +7,6 @@ const decode = require('urldecode')
 const MatroskaSubtitles = require('matroska-subtitles')
 
 const stream = (req, res) => {
-  const client = process.torrentClient
-  if (!client || (client && client.destroyed)) {
-    process.torrentClient = new WebTorrent()
-  }
-
   const info = decode(req.url.slice('/stream/'.length))
   const isMagnet = /^magnet:\?/.test(info)
   const type = isMagnet ? 'magnet' : 'file'
@@ -63,10 +57,7 @@ const stream = (req, res) => {
         if (stream) {
           logger.info(`Closing stream of range: ${JSON.stringify(range)} for ${type}: ${isMagnet ? magnet : path}`)
           stream.destroy()
-          torrent && torrent.deselect && torrent.deselect(range)
           stream = null
-
-          process.torrent = null
         }
       }
 
@@ -126,7 +117,6 @@ const tracks = (req, res) => {
         if (stream) {
           logger.info(`Closing stream for ${type} tracks: ${isMagnet ? magnet : path}`)
           stream.destroy()
-          torrent && torrent.deselect && torrent.deselect()
           stream = null
         }
       }