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authorChocobozzz <florian.bigard@gmail.com>2016-03-07 11:33:59 +0100
committerChocobozzz <florian.bigard@gmail.com>2016-03-07 11:33:59 +0100
commitb9a3e09ad5a7673f64556d1dba122ed4c4fac980 (patch)
tree66d4928b82af19a2372a2505822233884f3fd471 /server/lib/poolRequests.js
parentb2ff5e3e686eb552c5ccd64ce67b0455972ceef0 (diff)
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Prepare folders structure for angular app
Diffstat (limited to 'server/lib/poolRequests.js')
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diff --git a/server/lib/poolRequests.js b/server/lib/poolRequests.js
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1'use strict'
2
3var async = require('async')
4var pluck = require('lodash-node/compat/collection/pluck')
5
6var constants = require('../initializers/constants')
7var logger = require('../helpers/logger')
8var Pods = require('../models/pods')
9var PoolRequests = require('../models/poolRequests')
10var requests = require('../helpers/requests')
11var Videos = require('../models/videos')
12
13var timer = null
14
15var poolRequests = {
16 activate: activate,
17 addRequest: addRequest,
18 deactivate: deactivate,
19 forceSend: forceSend
20}
21
22function activate () {
23 logger.info('Pool requests activated.')
24 timer = setInterval(makePoolRequests, constants.INTERVAL)
25}
26
27function addRequest (id, type, request) {
28 logger.debug('Add request to the pool requests.', { id: id, type: type, request: request })
29
30 PoolRequests.findById(id, function (err, entity) {
31 if (err) {
32 logger.error('Cannot find one pool request.', { error: err })
33 return // Abort
34 }
35
36 if (entity) {
37 if (entity.type === type) {
38 logger.error('Cannot insert two same requests.')
39 return // Abort
40 }
41
42 // Remove the request of the other type
43 PoolRequests.removeRequestById(id, function (err) {
44 if (err) {
45 logger.error('Cannot remove a pool request.', { error: err })
46 return // Abort
47 }
48 })
49 } else {
50 PoolRequests.create(id, type, request, function (err) {
51 if (err) logger.error('Cannot create a pool request.', { error: err })
52 return // Abort
53 })
54 }
55 })
56}
57
58function deactivate () {
59 logger.info('Pool requests deactivated.')
60 clearInterval(timer)
61}
62
63function forceSend () {
64 logger.info('Force pool requests sending.')
65 makePoolRequests()
66}
67
68// ---------------------------------------------------------------------------
69
70module.exports = poolRequests
71
72// ---------------------------------------------------------------------------
73
74function makePoolRequest (type, requests_to_make, callback) {
75 if (!callback) callback = function () {}
76
77 Pods.list(function (err, pods) {
78 if (err) return callback(err)
79
80 var params = {
81 encrypt: true,
82 sign: true,
83 method: 'POST',
84 path: null,
85 data: requests_to_make
86 }
87
88 if (type === 'add') {
89 params.path = '/api/' + constants.API_VERSION + '/remotevideos/add'
90 } else if (type === 'remove') {
91 params.path = '/api/' + constants.API_VERSION + '/remotevideos/remove'
92 } else {
93 return callback(new Error('Unkown pool request type.'))
94 }
95
96 var bad_pods = []
97 var good_pods = []
98
99 requests.makeMultipleRetryRequest(params, pods, callbackEachPodFinished, callbackAllPodsFinished)
100
101 function callbackEachPodFinished (err, response, body, url, pod, callback_each_pod_finished) {
102 if (err || (response.statusCode !== 200 && response.statusCode !== 204)) {
103 bad_pods.push(pod._id)
104 logger.error('Error sending secure request to %s pod.', url, { error: err || new Error('Status code not 20x') })
105 } else {
106 good_pods.push(pod._id)
107 }
108
109 return callback_each_pod_finished()
110 }
111
112 function callbackAllPodsFinished (err) {
113 if (err) return callback(err)
114
115 updatePodsScore(good_pods, bad_pods)
116 callback(null)
117 }
118 })
119}
120
121function makePoolRequests () {
122 logger.info('Making pool requests to friends.')
123
124 PoolRequests.list(function (err, pool_requests) {
125 if (err) {
126 logger.error('Cannot get the list of pool requests.', { err: err })
127 return // Abort
128 }
129
130 if (pool_requests.length === 0) return
131
132 var requests_to_make = {
133 add: {
134 ids: [],
135 requests: []
136 },
137 remove: {
138 ids: [],
139 requests: []
140 }
141 }
142
143 async.each(pool_requests, function (pool_request, callback_each) {
144 if (pool_request.type === 'add') {
145 requests_to_make.add.requests.push(pool_request.request)
146 requests_to_make.add.ids.push(pool_request._id)
147 } else if (pool_request.type === 'remove') {
148 requests_to_make.remove.requests.push(pool_request.request)
149 requests_to_make.remove.ids.push(pool_request._id)
150 } else {
151 logger.error('Unkown pool request type.', { request_type: pool_request.type })
152 return // abort
153 }
154
155 callback_each()
156 }, function () {
157 // Send the add requests
158 if (requests_to_make.add.requests.length !== 0) {
159 makePoolRequest('add', requests_to_make.add.requests, function (err) {
160 if (err) logger.error('Errors when sent add pool requests.', { error: err })
161
162 PoolRequests.removeRequests(requests_to_make.add.ids)
163 })
164 }
165
166 // Send the remove requests
167 if (requests_to_make.remove.requests.length !== 0) {
168 makePoolRequest('remove', requests_to_make.remove.requests, function (err) {
169 if (err) logger.error('Errors when sent remove pool requests.', { error: err })
170
171 PoolRequests.removeRequests(requests_to_make.remove.ids)
172 })
173 }
174 })
175 })
176}
177
178function removeBadPods () {
179 Pods.findBadPods(function (err, pods) {
180 if (err) {
181 logger.error('Cannot find bad pods.', { error: err })
182 return // abort
183 }
184
185 if (pods.length === 0) return
186
187 var urls = pluck(pods, 'url')
188 var ids = pluck(pods, '_id')
189
190 Videos.removeAllRemotesOf(urls, function (err, r) {
191 if (err) {
192 logger.error('Cannot remove videos from a pod that we removing.', { error: err })
193 } else {
194 var videos_removed = r.result.n
195 logger.info('Removed %d videos.', videos_removed)
196 }
197
198 Pods.removeAllByIds(ids, function (err, r) {
199 if (err) {
200 logger.error('Cannot remove bad pods.', { error: err })
201 } else {
202 var pods_removed = r.result.n
203 logger.info('Removed %d pods.', pods_removed)
204 }
205 })
206 })
207 })
208}
209
210function updatePodsScore (good_pods, bad_pods) {
211 logger.info('Updating %d good pods and %d bad pods scores.', good_pods.length, bad_pods.length)
212
213 Pods.incrementScores(good_pods, constants.PODS_SCORE.BONUS, function (err) {
214 if (err) logger.error('Cannot increment scores of good pods.')
215 })
216
217 Pods.incrementScores(bad_pods, constants.PODS_SCORE.MALUS, function (err) {
218 if (err) logger.error('Cannot increment scores of bad pods.')
219 removeBadPods()
220 })
221}