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authorChocobozzz <florian.bigard@gmail.com>2017-05-15 22:22:03 +0200
committerChocobozzz <florian.bigard@gmail.com>2017-05-20 09:57:40 +0200
commit65fcc3119c334b75dd13bcfdebf186afdc580a8f (patch)
tree4f2158c61a9b7c3f47cfa233d01413b946ee53c0 /server/lib/request/base-request-scheduler.js
parentd5f345ed4cfac4e1fa84dcb4fce1cda4d32f9c73 (diff)
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First typescript iteration
Diffstat (limited to 'server/lib/request/base-request-scheduler.js')
-rw-r--r--server/lib/request/base-request-scheduler.js136
1 files changed, 0 insertions, 136 deletions
diff --git a/server/lib/request/base-request-scheduler.js b/server/lib/request/base-request-scheduler.js
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--- a/server/lib/request/base-request-scheduler.js
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1'use strict'
2
3const eachLimit = require('async/eachLimit')
4
5const constants = require('../../initializers/constants')
6const db = require('../../initializers/database')
7const logger = require('../../helpers/logger')
8const requests = require('../../helpers/requests')
9
10module.exports = class BaseRequestScheduler {
11 constructor (options) {
12 this.lastRequestTimestamp = 0
13 this.timer = null
14 this.requestInterval = constants.REQUESTS_INTERVAL
15 }
16
17 activate () {
18 logger.info('Requests scheduler activated.')
19 this.lastRequestTimestamp = Date.now()
20
21 this.timer = setInterval(() => {
22 this.lastRequestTimestamp = Date.now()
23 this.makeRequests()
24 }, this.requestInterval)
25 }
26
27 deactivate () {
28 logger.info('Requests scheduler deactivated.')
29 clearInterval(this.timer)
30 this.timer = null
31 }
32
33 forceSend () {
34 logger.info('Force requests scheduler sending.')
35 this.makeRequests()
36 }
37
38 remainingMilliSeconds () {
39 if (this.timer === null) return -1
40
41 return constants.REQUESTS_INTERVAL - (Date.now() - this.lastRequestTimestamp)
42 }
43
44 remainingRequestsCount (callback) {
45 return this.getRequestModel().countTotalRequests(callback)
46 }
47
48 // ---------------------------------------------------------------------------
49
50 // Make a requests to friends of a certain type
51 makeRequest (toPod, requestEndpoint, requestsToMake, callback) {
52 if (!callback) callback = function () {}
53
54 const params = {
55 toPod: toPod,
56 sign: true, // Prove our identity
57 method: 'POST',
58 path: '/api/' + constants.API_VERSION + '/remote/' + requestEndpoint,
59 data: requestsToMake // Requests we need to make
60 }
61
62 // Make multiple retry requests to all of pods
63 // The function fire some useful callbacks
64 requests.makeSecureRequest(params, (err, res) => {
65 if (err || (res.statusCode !== 200 && res.statusCode !== 201 && res.statusCode !== 204)) {
66 err = err ? err.message : 'Status code not 20x : ' + res.statusCode
67 logger.error('Error sending secure request to %s pod.', toPod.host, { error: err })
68
69 return callback(err)
70 }
71
72 return callback(null)
73 })
74 }
75
76 // Make all the requests of the scheduler
77 makeRequests () {
78 this.getRequestModel().listWithLimitAndRandom(this.limitPods, this.limitPerPod, (err, requests) => {
79 if (err) {
80 logger.error('Cannot get the list of "%s".', this.description, { err: err })
81 return // Abort
82 }
83
84 // If there are no requests, abort
85 if (requests.length === 0) {
86 logger.info('No "%s" to make.', this.description)
87 return
88 }
89
90 // We want to group requests by destinations pod and endpoint
91 const requestsToMakeGrouped = this.buildRequestObjects(requests)
92
93 logger.info('Making "%s" to friends.', this.description)
94
95 const goodPods = []
96 const badPods = []
97
98 eachLimit(Object.keys(requestsToMakeGrouped), constants.REQUESTS_IN_PARALLEL, (hashKey, callbackEach) => {
99 const requestToMake = requestsToMakeGrouped[hashKey]
100 const toPod = requestToMake.toPod
101
102 this.makeRequest(toPod, requestToMake.endpoint, requestToMake.datas, (err) => {
103 if (err) {
104 badPods.push(requestToMake.toPod.id)
105 return callbackEach()
106 }
107
108 logger.debug('Removing requests for pod %s.', requestToMake.toPod.id, { requestsIds: requestToMake.ids })
109 goodPods.push(requestToMake.toPod.id)
110
111 // Remove the pod id of these request ids
112 this.getRequestToPodModel().removeByRequestIdsAndPod(requestToMake.ids, requestToMake.toPod.id, callbackEach)
113
114 this.afterRequestHook()
115 })
116 }, () => {
117 // All the requests were made, we update the pods score
118 db.Pod.updatePodsScore(goodPods, badPods)
119
120 this.afterRequestsHook()
121 })
122 })
123 }
124
125 flush (callback) {
126 this.getRequestModel().removeAll(callback)
127 }
128
129 afterRequestHook () {
130 // Nothing to do, let children reimplement it
131 }
132
133 afterRequestsHook () {
134 // Nothing to do, let children reimplement it
135 }
136}