'use strict'
-const each = require('async/each')
-const eachLimit = require('async/eachLimit')
-const map = require('lodash/map')
-const mongoose = require('mongoose')
-const waterfall = require('async/waterfall')
+const values = require('lodash/values')
const constants = require('../initializers/constants')
-const logger = require('../helpers/logger')
-const requests = require('../helpers/requests')
-
-const Pod = mongoose.model('Pod')
-const Video = mongoose.model('Video')
-
-let timer = null
// ---------------------------------------------------------------------------
-const RequestSchema = mongoose.Schema({
- request: mongoose.Schema.Types.Mixed,
- to: [ { type: mongoose.Schema.Types.ObjectId, ref: 'Pod' } ]
-})
-
-RequestSchema.statics = {
- activate,
- deactivate,
- flush,
- forceSend,
- list
-}
-
-RequestSchema.pre('save', function (next) {
- const self = this
-
- if (self.to.length === 0) {
- Pod.listAllIds(function (err, podIds) {
- if (err) return next(err)
-
- // No friends
- if (podIds.length === 0) return
-
- self.to = podIds
- return next()
- })
- } else {
- return next()
- }
-})
+module.exports = function (sequelize, DataTypes) {
+ const Request = sequelize.define('Request',
+ {
+ request: {
+ type: DataTypes.JSON,
+ allowNull: false
+ },
+ endpoint: {
+ type: DataTypes.ENUM(values(constants.REQUEST_ENDPOINTS)),
+ allowNull: false
+ }
+ },
+ {
+ classMethods: {
+ associate,
-mongoose.model('Request', RequestSchema)
+ listWithLimitAndRandom,
-// ------------------------------ STATICS ------------------------------
+ countTotalRequests,
+ removeAll,
+ removeWithEmptyTo
+ }
+ }
+ )
-function activate () {
- logger.info('Requests scheduler activated.')
- timer = setInterval(makeRequests.bind(this), constants.REQUESTS_INTERVAL)
+ return Request
}
-function deactivate () {
- logger.info('Requests scheduler deactivated.')
- clearInterval(timer)
-}
+// ------------------------------ STATICS ------------------------------
-function flush () {
- removeAll.call(this, function (err) {
- if (err) logger.error('Cannot flush the requests.', { error: err })
+function associate (models) {
+ this.belongsToMany(models.Pod, {
+ foreignKey: {
+ name: 'requestId',
+ allowNull: false
+ },
+ through: models.RequestToPod,
+ onDelete: 'CASCADE'
})
}
-function forceSend () {
- logger.info('Force requests scheduler sending.')
- makeRequests.call(this)
-}
-
-function list (callback) {
- this.find({ }, callback)
-}
-
-// ---------------------------------------------------------------------------
-
-// Make a requests to friends of a certain type
-function makeRequest (toPod, requestsToMake, callback) {
- if (!callback) callback = function () {}
-
- const params = {
- toPod: toPod,
- encrypt: true, // Security
- sign: true, // To prove our identity
- method: 'POST',
- path: '/api/' + constants.API_VERSION + '/remote/videos',
- data: requestsToMake // Requests we need to make
+function countTotalRequests (callback) {
+ // We need to include Pod because there are no cascade delete when a pod is removed
+ // So we could count requests that do not have existing pod anymore
+ const query = {
+ include: [ this.sequelize.models.Pod ]
}
- // Make multiple retry requests to all of pods
- // The function fire some useful callbacks
- requests.makeSecureRequest(params, function (err, res) {
- if (err || (res.statusCode !== 200 && res.statusCode !== 201 && res.statusCode !== 204)) {
- logger.error(
- 'Error sending secure request to %s pod.',
- toPod.url,
- {
- error: err || new Error('Status code not 20x'),
- statusCode: res.statusCode
- }
- )
-
- return callback(false)
- }
-
- return callback(true)
- })
+ return this.count(query).asCallback(callback)
}
-// Make all the requests of the scheduler
-function makeRequests () {
+function listWithLimitAndRandom (limitPods, limitRequestsPerPod, callback) {
const self = this
+ const Pod = this.sequelize.models.Pod
- listWithLimit.call(self, constants.REQUESTS_LIMIT, function (err, requests) {
- if (err) {
- logger.error('Cannot get the list of requests.', { err: err })
- return // Abort
- }
+ Pod.listRandomPodIdsWithRequest(limitPods, 'RequestToPods', function (err, podIds) {
+ if (err) return callback(err)
- // If there are no requests, abort
- if (requests.length === 0) {
- logger.info('No requests to make.')
- return
- }
+ // We don't have friends that have requests
+ if (podIds.length === 0) return callback(null, [])
- logger.info('Making requests to friends.')
-
- // Requests by pods id
- const requestsToMake = {}
-
- requests.forEach(function (poolRequest) {
- poolRequest.to.forEach(function (toPodId) {
- if (!requestsToMake[toPodId]) {
- requestsToMake[toPodId] = {
- ids: [],
- datas: []
+ // The first x requests of these pods
+ // It is very important to sort by id ASC to keep the requests order!
+ const query = {
+ order: [
+ [ 'id', 'ASC' ]
+ ],
+ include: [
+ {
+ model: self.sequelize.models.Pod,
+ where: {
+ id: {
+ $in: podIds
+ }
}
}
+ ]
+ }
- requestsToMake[toPodId].ids.push(poolRequest._id)
- requestsToMake[toPodId].datas.push(poolRequest.request)
- })
- })
-
- const goodPods = []
- const badPods = []
-
- eachLimit(Object.keys(requestsToMake), constants.REQUESTS_IN_PARALLEL, function (toPodId, callbackEach) {
- const requestToMake = requestsToMake[toPodId]
-
- // FIXME: mongodb request inside a loop :/
- Pod.load(toPodId, function (err, toPod) {
- if (err) {
- logger.error('Error finding pod by id.', { err: err })
- return callbackEach()
- }
-
- // Maybe the pod is not our friend anymore so simply remove them
- if (!toPod) {
- removePodOf.call(self, requestToMake.ids, toPodId)
- return callbackEach()
- }
-
- makeRequest(toPod, requestToMake.datas, function (success) {
- if (success === true) {
- logger.debug('Removing requests for %s pod.', toPodId, { requestsIds: requestToMake.ids })
-
- // Remove the pod id of these request ids
- removePodOf.call(self, requestToMake.ids, toPodId)
- goodPods.push(toPodId)
- } else {
- badPods.push(toPodId)
- }
+ self.findAll(query).asCallback(function (err, requests) {
+ if (err) return callback(err)
- callbackEach()
- })
- })
- }, function () {
- // All the requests were made, we update the pods score
- updatePodsScore(goodPods, badPods)
- // Flush requests with no pod
- removeWithEmptyTo.call(self)
+ const requestsGrouped = groupAndTruncateRequests(requests, limitRequestsPerPod)
+ return callback(err, requestsGrouped)
})
})
}
-// Remove pods with a score of 0 (too many requests where they were unreachable)
-function removeBadPods () {
- waterfall([
- function findBadPods (callback) {
- Pod.listBadPods(function (err, pods) {
- if (err) {
- logger.error('Cannot find bad pods.', { error: err })
- return callback(err)
- }
-
- return callback(null, pods)
- })
- },
-
- function listVideosOfTheseBadPods (pods, callback) {
- if (pods.length === 0) return callback(null)
-
- const urls = map(pods, 'url')
-
- Video.listByUrls(urls, function (err, videosList) {
- if (err) {
- logger.error('Cannot list videos urls.', { error: err, urls: urls })
- return callback(null, pods, [])
- }
-
- return callback(null, pods, videosList)
- })
- },
-
- function removeVideosOfTheseBadPods (pods, videosList, callback) {
- // We don't have to remove pods, skip
- if (typeof pods === 'function') {
- callback = pods
- return callback(null)
- }
-
- each(videosList, function (video, callbackEach) {
- video.remove(callbackEach)
- }, function (err) {
- if (err) {
- // Don't stop the process
- logger.error('Error while removing videos of bad pods.', { error: err })
- return
- }
+function removeAll (callback) {
+ // Delete all requests
+ this.truncate({ cascade: true }).asCallback(callback)
+}
- return callback(null, pods)
- })
- },
+function removeWithEmptyTo (callback) {
+ if (!callback) callback = function () {}
- function removeBadPodsFromDB (pods, callback) {
- // We don't have to remove pods, skip
- if (typeof pods === 'function') {
- callback = pods
- return callback(null)
+ const query = {
+ where: {
+ id: {
+ $notIn: [
+ this.sequelize.literal('SELECT "requestId" FROM "RequestToPods"')
+ ]
}
-
- each(pods, function (pod, callbackEach) {
- pod.remove(callbackEach)
- }, function (err) {
- if (err) return callback(err)
-
- return callback(null, pods.length)
- })
- }
- ], function (err, numberOfPodsRemoved) {
- if (err) {
- logger.error('Cannot remove bad pods.', { error: err })
- } else if (numberOfPodsRemoved) {
- logger.info('Removed %d pods.', numberOfPodsRemoved)
- } else {
- logger.info('No need to remove bad pods.')
}
- })
-}
-
-function updatePodsScore (goodPods, badPods) {
- logger.info('Updating %d good pods and %d bad pods scores.', goodPods.length, badPods.length)
-
- Pod.incrementScores(goodPods, constants.PODS_SCORE.BONUS, function (err) {
- if (err) logger.error('Cannot increment scores of good pods.')
- })
-
- Pod.incrementScores(badPods, constants.PODS_SCORE.MALUS, function (err) {
- if (err) logger.error('Cannot decrement scores of bad pods.')
- removeBadPods()
- })
-}
+ }
-function listWithLimit (limit, callback) {
- this.find({ }, { _id: 1, request: 1, to: 1 }).sort({ _id: 1 }).limit(limit).exec(callback)
+ this.destroy(query).asCallback(callback)
}
-function removeAll (callback) {
- this.remove({ }, callback)
-}
+// ---------------------------------------------------------------------------
-function removePodOf (requestsIds, podId, callback) {
- if (!callback) callback = function () {}
+function groupAndTruncateRequests (requests, limitRequestsPerPod) {
+ const requestsGrouped = {}
- this.update({ _id: { $in: requestsIds } }, { $pull: { to: podId } }, { multi: true }, callback)
-}
+ requests.forEach(function (request) {
+ request.Pods.forEach(function (pod) {
+ if (!requestsGrouped[pod.id]) requestsGrouped[pod.id] = []
-function removeWithEmptyTo (callback) {
- if (!callback) callback = function () {}
+ if (requestsGrouped[pod.id].length < limitRequestsPerPod) {
+ requestsGrouped[pod.id].push({
+ request,
+ pod
+ })
+ }
+ })
+ })
- this.remove({ to: { $size: 0 } }, callback)
+ return requestsGrouped
}
projects / github / Chocobozzz / PeerTube.git / blobdiff