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
|
;(function () {
'use strict'
var async = require('async')
var logger = require('./logger')
var database = require('./database')
var PoolRequestsDB = database.PoolRequestsDB
var PodsDB = database.PodsDB
var utils = require('./utils')
var poolRequests = {}
// ----------- Constants -----------
// Time to wait between requests to the friends
var INTERVAL = utils.isTestInstance() ? 10000 : 60000
var PODS_SCORE = {
MALUS: -10,
BONUS: 10
}
// ----------- Private -----------
var timer = null
function makePoolRequests () {
logger.info('Making pool requests to friends.')
PoolRequestsDB.find({}, { type: 1, request: 1 }, function (err, pool_requests) {
if (err) throw err
var requests = {
add: [],
remove: []
}
async.each(pool_requests, function (pool_request, callback_each) {
if (pool_request.type === 'add') {
requests.add.push(pool_request.request)
} else if (pool_request.type === 'remove') {
requests.remove.push(pool_request.request)
} else {
throw new Error('Unkown pool request type.')
}
callback_each()
}, function () {
makePoolRequest('add', requests.add)
makePoolRequest('remove', requests.remove)
logger.info('Pool requests to friends sent.')
})
})
}
function updatePodsScore (good_pods, bad_pods) {
logger.info('Updating %d good pods and %d bad pods scores.', good_pods.length, bad_pods.length)
PodsDB.update({ _id: { $in: good_pods } }, { $inc: { score: PODS_SCORE.BONUS } }, { multi: true }).exec()
PodsDB.update({ _id: { $in: bad_pods } }, { $inc: { score: PODS_SCORE.MALUS } }, { multi: true }, function (err) {
if (err) throw err
removeBadPods()
})
}
function removeBadPods () {
PodsDB.remove({ score: 0 }, function (err, result) {
if (err) throw err
var number_removed = result.result.n
if (number_removed !== 0) logger.info('Removed %d pod.', number_removed)
})
}
function makePoolRequest (type, requests) {
logger.debug('Make pool requests scheduled.')
PodsDB.find({}, { _id: 1, url: 1, publicKey: 1 }).exec(function (err, pods) {
if (err) throw err
var params = {
encrypt: true,
sign: true,
method: 'POST',
path: null,
data: requests
}
if (type === 'add') {
params.path = '/api/' + global.API_VERSION + '/remotevideos/add'
} else if (type === 'remove') {
params.path = '/api/' + global.API_VERSION + '/remotevideos/remove'
} else {
throw new Error('Unkown pool request type.')
}
var bad_pods = []
var good_pods = []
utils.makeMultipleRetryRequest(params, pods, callbackEachPodFinished, callbackAllPodsFinished)
function callbackEachPodFinished (err, response, body, url, pod, callback_each_pod_finished) {
if (err || response.statusCode !== 200) {
bad_pods.push(pod._id)
logger.error('Error sending secure request to %s pod.', url, { error: err })
} else {
good_pods.push(pod._id)
}
return callback_each_pod_finished()
}
function callbackAllPodsFinished (err) {
if (err) {
logger.error('There was some errors when sending the video meta data.', { error: err })
}
updatePodsScore(good_pods, bad_pods)
PoolRequestsDB.remove().exec()
}
})
}
// ----------- Public -----------
poolRequests.activate = function () {
logger.info('Pool requests activated.')
timer = setInterval(makePoolRequests, INTERVAL)
}
poolRequests.addToPoolRequests = function (id, type, request) {
logger.debug('Add request to the pool requests.', { id: id, type: type, request: request })
PoolRequestsDB.findOne({ id: id }, function (err, entity) {
if (err) logger.error(err)
if (entity) {
if (entity.type === type) {
logger.error(new Error('Cannot insert two same requests.'))
return
}
// Remove the request of the other type
PoolRequestsDB.remove({ id: id }, function (err) {
if (err) logger.error(err)
})
} else {
PoolRequestsDB.create({ id: id, type: type, request: request }, function (err) {
if (err) logger.error(err)
})
}
})
}
poolRequests.deactivate = function () {
logger.info('Pool requests deactivated.')
clearInterval(timer)
}
module.exports = poolRequests
})()
|
