]>
git.immae.eu Git - github/Chocobozzz/PeerTube.git/blob - server/models/request.js
3 const each
= require('async/each')
4 const eachLimit
= require('async/eachLimit')
5 const map
= require('lodash/map')
6 const mongoose
= require('mongoose')
7 const waterfall
= require('async/waterfall')
9 const constants
= require('../initializers/constants')
10 const logger
= require('../helpers/logger')
11 const requests
= require('../helpers/requests')
13 const Pod
= mongoose
.model('Pod')
14 const Video
= mongoose
.model('Video')
18 // ---------------------------------------------------------------------------
20 const RequestSchema
= mongoose
.Schema({
21 request: mongoose
.Schema
.Types
.Mixed
,
22 to: [ { type: mongoose
.Schema
.Types
.ObjectId
, ref: 'Pod' } ]
25 RequestSchema
.statics
= {
33 RequestSchema
.pre('save', function (next
) {
36 if (self
.to
.length
=== 0) {
37 Pod
.listAllIds(function (err
, podIds
) {
38 if (err
) return next(err
)
41 if (podIds
.length
=== 0) return
51 mongoose
.model('Request', RequestSchema
)
53 // ------------------------------ STATICS ------------------------------
55 function activate () {
56 logger
.info('Requests scheduler activated.')
57 timer
= setInterval(makeRequests
.bind(this), constants
.REQUESTS_INTERVAL
)
60 function deactivate () {
61 logger
.info('Requests scheduler deactivated.')
66 removeAll
.call(this, function (err
) {
67 if (err
) logger
.error('Cannot flush the requests.', { error: err
})
71 function forceSend () {
72 logger
.info('Force requests scheduler sending.')
73 makeRequests
.call(this)
76 function list (callback
) {
77 this.find({ }, callback
)
80 // ---------------------------------------------------------------------------
82 // Make a requests to friends of a certain type
83 function makeRequest (toPod
, requestsToMake
, callback
) {
84 if (!callback
) callback = function () {}
88 encrypt: true, // Security
89 sign: true, // To prove our identity
91 path: '/api/' + constants
.API_VERSION
+ '/remote/videos',
92 data: requestsToMake
// Requests we need to make
95 // Make multiple retry requests to all of pods
96 // The function fire some useful callbacks
97 requests
.makeSecureRequest(params
, function (err
, res
) {
98 if (err
|| (res
.statusCode
!== 200 && res
.statusCode
!== 201 && res
.statusCode
!== 204)) {
99 logger
.error('Error sending secure request to %s pod.', toPod
.url
, { error: err
|| new Error('Status code not 20x') })
101 return callback(false)
104 return callback(true)
108 // Make all the requests of the scheduler
109 function makeRequests () {
112 listWithLimit
.call(self
, constants
.REQUESTS_LIMIT
, function (err
, requests
) {
114 logger
.error('Cannot get the list of requests.', { err: err
})
118 // If there are no requests, abort
119 if (requests
.length
=== 0) {
120 logger
.info('No requests to make.')
124 logger
.info('Making requests to friends.')
126 // Requests by pods id
127 const requestsToMake
= {}
129 requests
.forEach(function (poolRequest
) {
130 poolRequest
.to
.forEach(function (toPodId
) {
131 if (!requestsToMake
[toPodId
]) {
132 requestsToMake
[toPodId
] = {
138 requestsToMake
[toPodId
].ids
.push(poolRequest
._id
)
139 requestsToMake
[toPodId
].datas
.push(poolRequest
.request
)
146 eachLimit(Object
.keys(requestsToMake
), constants
.REQUESTS_IN_PARALLEL
, function (toPodId
, callbackEach
) {
147 const requestToMake
= requestsToMake
[toPodId
]
149 // FIXME: mongodb request inside a loop :/
150 Pod
.load(toPodId
, function (err
, toPod
) {
152 logger
.error('Error finding pod by id.', { err: err
})
153 return callbackEach()
156 // Maybe the pod is not our friend anymore so simply remove them
158 removePodOf
.call(self
, requestToMake
.ids
, toPodId
)
159 return callbackEach()
162 makeRequest(toPod
, requestToMake
.datas
, function (success
) {
164 logger
.error('Errors when sent request to %s.', toPod
.url
, { error: err
})
165 // Do not stop the process just for one error
166 return callbackEach()
169 if (success
=== true) {
170 logger
.debug('Removing requests for %s pod.', toPodId
, { requestsIds: requestToMake
.ids
})
172 // Remove the pod id of these request ids
173 removePodOf
.call(self
, requestToMake
.ids
, toPodId
)
174 goodPods
.push(toPodId
)
176 badPods
.push(toPodId
)
183 // All the requests were made, we update the pods score
184 updatePodsScore(goodPods
, badPods
)
185 // Flush requests with no pod
186 removeWithEmptyTo
.call(self
)
191 // Remove pods with a score of 0 (too many requests where they were unreachable)
192 function removeBadPods () {
194 function findBadPods (callback
) {
195 Pod
.listBadPods(function (err
, pods
) {
197 logger
.error('Cannot find bad pods.', { error: err
})
201 return callback(null, pods
)
205 function listVideosOfTheseBadPods (pods
, callback
) {
206 if (pods
.length
=== 0) return callback(null)
208 const urls
= map(pods
, 'url')
210 Video
.listByUrls(urls
, function (err
, videosList
) {
212 logger
.error('Cannot list videos urls.', { error: err
, urls: urls
})
213 return callback(null, pods
, [])
216 return callback(null, pods
, videosList
)
220 function removeVideosOfTheseBadPods (pods
, videosList
, callback
) {
221 // We don't have to remove pods, skip
222 if (typeof pods
=== 'function') {
224 return callback(null)
227 each(videosList
, function (video
, callbackEach
) {
228 video
.remove(callbackEach
)
231 // Don't stop the process
232 logger
.error('Error while removing videos of bad pods.', { error: err
})
236 return callback(null, pods
)
240 function removeBadPodsFromDB (pods
, callback
) {
241 // We don't have to remove pods, skip
242 if (typeof pods
=== 'function') {
244 return callback(null)
247 each(pods
, function (pod
, callbackEach
) {
248 pod
.remove(callbackEach
)
250 if (err
) return callback(err
)
252 return callback(null, pods
.length
)
255 ], function (err
, numberOfPodsRemoved
) {
257 logger
.error('Cannot remove bad pods.', { error: err
})
258 } else if (numberOfPodsRemoved
) {
259 logger
.info('Removed %d pods.', numberOfPodsRemoved
)
261 logger
.info('No need to remove bad pods.')
266 function updatePodsScore (goodPods
, badPods
) {
267 logger
.info('Updating %d good pods and %d bad pods scores.', goodPods
.length
, badPods
.length
)
269 Pod
.incrementScores(goodPods
, constants
.PODS_SCORE
.BONUS
, function (err
) {
270 if (err
) logger
.error('Cannot increment scores of good pods.')
273 Pod
.incrementScores(badPods
, constants
.PODS_SCORE
.MALUS
, function (err
) {
274 if (err
) logger
.error('Cannot decrement scores of bad pods.')
279 function listWithLimit (limit
, callback
) {
280 this.find({ }, { _id: 1, request: 1, to: 1 }).sort({ _id: 1 }).limit(limit
).exec(callback
)
283 function removeAll (callback
) {
284 this.remove({ }, callback
)
287 function removePodOf (requestsIds
, podId
, callback
) {
288 if (!callback
) callback = function () {}
290 this.update({ _id: { $in: requestsIds
} }, { $pull: { to: podId
} }, { multi: true }, callback
)
293 function removeWithEmptyTo (callback
) {
294 if (!callback
) callback = function () {}
296 this.remove({ to: { $size: 0 } }, callback
)