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