]>
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: 'users' } ]
25 RequestSchema
.statics
= {
32 RequestSchema
.pre('save', function (next
) {
35 if (self
.to
.length
=== 0) {
36 Pod
.listAllIds(function (err
, podIds
) {
37 if (err
) return next(err
)
40 if (podIds
.length
=== 0) return
50 mongoose
.model('Request', RequestSchema
)
52 // ------------------------------ STATICS ------------------------------
54 function activate () {
55 logger
.info('Requests scheduler activated.')
56 timer
= setInterval(makeRequests
.bind(this), constants
.INTERVAL
)
59 function deactivate () {
60 logger
.info('Requests scheduler deactivated.')
65 removeAll
.call(this, function (err
) {
66 if (err
) logger
.error('Cannot flush the requests.', { error: err
})
70 function forceSend () {
71 logger
.info('Force requests scheduler sending.')
72 makeRequests
.call(this)
75 // ---------------------------------------------------------------------------
77 // Make a requests to friends of a certain type
78 function makeRequest (toPod
, requestsToMake
, callback
) {
79 if (!callback
) callback = function () {}
83 encrypt: true, // Security
84 sign: true, // To prove our identity
86 path: '/api/' + constants
.API_VERSION
+ '/remote/videos',
87 data: requestsToMake
// Requests we need to make
90 // Make multiple retry requests to all of pods
91 // The function fire some useful callbacks
92 requests
.makeSecureRequest(params
, function (err
, res
) {
93 if (err
|| (res
.statusCode
!== 200 && res
.statusCode
!== 201 && res
.statusCode
!== 204)) {
94 logger
.error('Error sending secure request to %s pod.', toPod
.url
, { error: err
|| new Error('Status code not 20x') })
96 return callback(false)
103 // Make all the requests of the scheduler
104 function makeRequests () {
107 listWithLimit
.call(self
, constants
.REQUESTS_LIMIT
, function (err
, requests
) {
109 logger
.error('Cannot get the list of requests.', { err: err
})
113 // If there are no requests, abort
114 if (requests
.length
=== 0) {
115 logger
.info('No requests to make.')
119 logger
.info('Making requests to friends.')
121 // Requests by pods id
122 const requestsToMake
= {}
124 requests
.forEach(function (poolRequest
) {
125 poolRequest
.to
.forEach(function (toPodId
) {
126 if (!requestsToMake
[toPodId
]) {
127 requestsToMake
[toPodId
] = {
133 requestsToMake
[toPodId
].ids
.push(poolRequest
._id
)
134 requestsToMake
[toPodId
].datas
.push(poolRequest
.request
)
141 eachLimit(Object
.keys(requestsToMake
), constants
.REQUESTS_IN_PARALLEL
, function (toPodId
, callbackEach
) {
142 const requestToMake
= requestsToMake
[toPodId
]
144 // FIXME: mongodb request inside a loop :/
145 Pod
.load(toPodId
, function (err
, toPod
) {
147 logger
.error('Error finding pod by id.', { err: err
})
148 return callbackEach()
151 // Maybe the pod is not our friend anymore so simply remove them
153 removePodOf
.call(self
, requestToMake
.ids
, toPodId
)
154 return callbackEach()
157 makeRequest(toPod
, requestToMake
.datas
, function (success
) {
159 logger
.error('Errors when sent request to %s.', toPod
.url
, { error: err
})
160 // Do not stop the process just for one error
161 return callbackEach()
164 if (success
=== true) {
165 logger
.debug('Removing requests for %s pod.', toPodId
, { requestsIds: requestToMake
.ids
})
167 // Remove the pod id of these request ids
168 removePodOf
.call(self
, requestToMake
.ids
, toPodId
)
169 goodPods
.push(toPodId
)
171 badPods
.push(toPodId
)
178 // All the requests were made, we update the pods score
179 updatePodsScore(goodPods
, badPods
)
180 // Flush requests with no pod
181 removeWithEmptyTo
.call(self
)
186 // Remove pods with a score of 0 (too many requests where they were unreachable)
187 function removeBadPods () {
189 function findBadPods (callback
) {
190 Pod
.listBadPods(function (err
, pods
) {
192 logger
.error('Cannot find bad pods.', { error: err
})
196 return callback(null, pods
)
200 function listVideosOfTheseBadPods (pods
, callback
) {
201 if (pods
.length
=== 0) return callback(null)
203 const urls
= map(pods
, 'url')
205 Video
.listByUrls(urls
, function (err
, videosList
) {
207 logger
.error('Cannot list videos urls.', { error: err
, urls: urls
})
208 return callback(null, pods
, [])
211 return callback(null, pods
, videosList
)
215 function removeVideosOfTheseBadPods (pods
, videosList
, callback
) {
216 // We don't have to remove pods, skip
217 if (typeof pods
=== 'function') {
219 return callback(null)
222 each(videosList
, function (video
, callbackEach
) {
223 video
.remove(callbackEach
)
226 // Don't stop the process
227 logger
.error('Error while removing videos of bad pods.', { error: err
})
231 return callback(null, pods
)
235 function removeBadPodsFromDB (pods
, callback
) {
236 // We don't have to remove pods, skip
237 if (typeof pods
=== 'function') {
239 return callback(null)
242 each(pods
, function (pod
, callbackEach
) {
243 pod
.remove(callbackEach
)
245 if (err
) return callback(err
)
247 return callback(null, pods
.length
)
250 ], function (err
, numberOfPodsRemoved
) {
252 logger
.error('Cannot remove bad pods.', { error: err
})
253 } else if (numberOfPodsRemoved
) {
254 logger
.info('Removed %d pods.', numberOfPodsRemoved
)
256 logger
.info('No need to remove bad pods.')
261 function updatePodsScore (goodPods
, badPods
) {
262 logger
.info('Updating %d good pods and %d bad pods scores.', goodPods
.length
, badPods
.length
)
264 Pod
.incrementScores(goodPods
, constants
.PODS_SCORE
.BONUS
, function (err
) {
265 if (err
) logger
.error('Cannot increment scores of good pods.')
268 Pod
.incrementScores(badPods
, constants
.PODS_SCORE
.MALUS
, function (err
) {
269 if (err
) logger
.error('Cannot decrement scores of bad pods.')
274 function listWithLimit (limit
, callback
) {
275 this.find({ }, { _id: 1, request: 1, to: 1 }).sort({ _id: 1 }).limit(limit
).exec(callback
)
278 function removeAll (callback
) {
279 this.remove({ }, callback
)
282 function removePodOf (requestsIds
, podId
, callback
) {
283 if (!callback
) callback = function () {}
285 this.update({ _id: { $in: requestsIds
} }, { $pull: { to: podId
} }, { multi: true }, callback
)
288 function removeWithEmptyTo (callback
) {
289 if (!callback
) callback = function () {}
291 this.remove({ to: { $size: 0 } }, callback
)