'use strict'
const each = require('async/each')
-const eachLimit = require('async/eachLimit')
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')
-
-let timer = null
-let lastRequestTimestamp = 0
// ---------------------------------------------------------------------------
classMethods: {
associate,
- activate,
+ listWithLimitAndRandom,
+
countTotalRequests,
- deactivate,
- flush,
- forceSend,
- remainingMilliSeconds
+ removeBadPods,
+ updatePodsScore,
+ removeAll,
+ removeWithEmptyTo
}
}
)
})
}
-function activate () {
- logger.info('Requests scheduler activated.')
- lastRequestTimestamp = Date.now()
-
- const self = this
- timer = setInterval(function () {
- lastRequestTimestamp = Date.now()
- makeRequests.call(self)
- }, constants.REQUESTS_INTERVAL)
-}
-
function countTotalRequests (callback) {
const query = {
include: [ this.sequelize.models.Pod ]
return this.count(query).asCallback(callback)
}
-function deactivate () {
- logger.info('Requests scheduler deactivated.')
- clearInterval(timer)
- timer = null
-}
-
-function flush (callback) {
- removeAll.call(this, function (err) {
- if (err) logger.error('Cannot flush the requests.', { error: err })
-
- return callback(err)
- })
-}
-
-function forceSend () {
- logger.info('Force requests scheduler sending.')
- makeRequests.call(this)
-}
-
-function remainingMilliSeconds () {
- if (timer === null) return -1
-
- return constants.REQUESTS_INTERVAL - (Date.now() - lastRequestTimestamp)
-}
-
-// ---------------------------------------------------------------------------
-
-// Make a requests to friends of a certain type
-function makeRequest (toPod, requestEndpoint, requestsToMake, callback) {
- if (!callback) callback = function () {}
-
- const params = {
- toPod: toPod,
- sign: true, // Prove our identity
- method: 'POST',
- path: '/api/' + constants.API_VERSION + '/remote/' + requestEndpoint,
- data: requestsToMake // Requests we need to make
- }
-
- // 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)) {
- err = err ? err.message : 'Status code not 20x : ' + res.statusCode
- logger.error('Error sending secure request to %s pod.', toPod.host, { error: err })
-
- return callback(false)
- }
-
- return callback(true)
- })
-}
-
-// Make all the requests of the scheduler
-function makeRequests () {
- const self = this
- const RequestToPod = this.sequelize.models.RequestToPod
-
- // We limit the size of the requests
- // We don't want to stuck with the same failing requests so we get a random list
- listWithLimitAndRandom.call(self, constants.REQUESTS_LIMIT_PODS, constants.REQUESTS_LIMIT_PER_POD, function (err, requests) {
- if (err) {
- logger.error('Cannot get the list of requests.', { err: err })
- return // Abort
- }
-
- // If there are no requests, abort
- if (requests.length === 0) {
- logger.info('No requests to make.')
- return
- }
-
- // We want to group requests by destinations pod and endpoint
- const requestsToMakeGrouped = buildRequestObjects(requests)
-
- logger.info('Making requests to friends.')
-
- const goodPods = []
- const badPods = []
-
- eachLimit(Object.keys(requestsToMakeGrouped), constants.REQUESTS_IN_PARALLEL, function (hashKey, callbackEach) {
- const requestToMake = requestsToMakeGrouped[hashKey]
- const toPod = requestToMake.toPod
-
- // Maybe the pod is not our friend anymore so simply remove it
- if (!toPod) {
- const requestIdsToDelete = requestToMake.ids
-
- logger.info('Removing %d requests of unexisting pod %s.', requestIdsToDelete.length, requestToMake.toPod.id)
- return RequestToPod.removePodOf(requestIdsToDelete, requestToMake.toPod.id, callbackEach)
- }
-
- makeRequest(toPod, requestToMake.endpoint, requestToMake.datas, function (success) {
- if (success === false) {
- badPods.push(requestToMake.toPod.id)
- return callbackEach()
- }
-
- logger.debug('Removing requests for pod %s.', requestToMake.toPod.id, { requestsIds: requestToMake.ids })
- goodPods.push(requestToMake.toPod.id)
-
- // Remove the pod id of these request ids
- RequestToPod.removePodOf(requestToMake.ids, requestToMake.toPod.id, callbackEach)
- })
- }, function () {
- // All the requests were made, we update the pods score
- updatePodsScore.call(self, goodPods, badPods)
- // Flush requests with no pod
- removeWithEmptyTo.call(self, function (err) {
- if (err) logger.error('Error when removing requests with no pods.', { error: err })
- })
- })
- })
-}
-
-function buildRequestObjects (requests) {
- const requestsToMakeGrouped = {}
-
- Object.keys(requests).forEach(function (toPodId) {
- requests[toPodId].forEach(function (data) {
- const request = data.request
- const pod = data.pod
- const hashKey = toPodId + request.endpoint
-
- if (!requestsToMakeGrouped[hashKey]) {
- requestsToMakeGrouped[hashKey] = {
- toPod: pod,
- endpoint: request.endpoint,
- ids: [], // request ids, to delete them from the DB in the future
- datas: [] // requests data,
- }
- }
-
- requestsToMakeGrouped[hashKey].ids.push(request.id)
- requestsToMakeGrouped[hashKey].datas.push(request.request)
- })
- })
-
- return requestsToMakeGrouped
-}
-
// Remove pods with a score of 0 (too many requests where they were unreachable)
function removeBadPods () {
const self = this
})
}
-function groupAndTruncateRequests (requests, limitRequestsPerPod) {
- const requestsGrouped = {}
-
- requests.forEach(function (request) {
- request.Pods.forEach(function (pod) {
- if (!requestsGrouped[pod.id]) requestsGrouped[pod.id] = []
-
- if (requestsGrouped[pod.id].length < limitRequestsPerPod) {
- requestsGrouped[pod.id].push({
- request,
- pod
- })
- }
- })
- })
-
- return requestsGrouped
-}
-
function removeAll (callback) {
// Delete all requests
this.truncate({ cascade: true }).asCallback(callback)
this.destroy(query).asCallback(callback)
}
+
+// ---------------------------------------------------------------------------
+
+function groupAndTruncateRequests (requests, limitRequestsPerPod) {
+ const requestsGrouped = {}
+
+ requests.forEach(function (request) {
+ request.Pods.forEach(function (pod) {
+ if (!requestsGrouped[pod.id]) requestsGrouped[pod.id] = []
+
+ if (requestsGrouped[pod.id].length < limitRequestsPerPod) {
+ requestsGrouped[pod.id].push({
+ request,
+ pod
+ })
+ }
+ })
+ })
+
+ return requestsGrouped
+}
projects / github / Chocobozzz / PeerTube.git / blobdiff