]>
Commit | Line | Data |
---|---|---|
9f10b292 C |
1 | 'use strict' |
2 | ||
f0f5567b C |
3 | const async = require('async') |
4 | const config = require('config') | |
5 | const fs = require('fs') | |
6 | const request = require('request') | |
7 | ||
8 | const constants = require('../initializers/constants') | |
9 | const logger = require('../helpers/logger') | |
10 | const peertubeCrypto = require('../helpers/peertubeCrypto') | |
11 | const Pods = require('../models/pods') | |
e3647ae2 | 12 | const requestsScheduler = require('../lib/requestsScheduler') |
f0f5567b | 13 | const requests = require('../helpers/requests') |
cbe2f7c3 | 14 | const videos = require('../lib/videos') |
f0f5567b C |
15 | const Videos = require('../models/videos') |
16 | ||
17 | const http = config.get('webserver.https') ? 'https' : 'http' | |
18 | const host = config.get('webserver.host') | |
19 | const port = config.get('webserver.port') | |
20 | ||
21 | const pods = { | |
9f10b292 C |
22 | addVideoToFriends: addVideoToFriends, |
23 | hasFriends: hasFriends, | |
cbe2f7c3 | 24 | getMyCertificate: getMyCertificate, |
9f10b292 C |
25 | makeFriends: makeFriends, |
26 | quitFriends: quitFriends, | |
528a9efa C |
27 | removeVideoToFriends: removeVideoToFriends, |
28 | sendOwnedVideosToPod: sendOwnedVideosToPod | |
9f10b292 C |
29 | } |
30 | ||
31 | function addVideoToFriends (video) { | |
9f10b292 C |
32 | // ensure namePath is null |
33 | video.namePath = null | |
528a9efa C |
34 | |
35 | requestsScheduler.addRequest('add', video) | |
9f10b292 C |
36 | } |
37 | ||
38 | function hasFriends (callback) { | |
39 | Pods.count(function (err, count) { | |
40 | if (err) return callback(err) | |
41 | ||
bc503c2a C |
42 | const hasFriends = (count !== 0) |
43 | callback(null, hasFriends) | |
9f10b292 C |
44 | }) |
45 | } | |
46 | ||
cbe2f7c3 C |
47 | function getMyCertificate (callback) { |
48 | fs.readFile(peertubeCrypto.getCertDir() + 'peertube.pub', 'utf8', callback) | |
49 | } | |
50 | ||
9f10b292 | 51 | function makeFriends (callback) { |
bc503c2a | 52 | const podsScore = {} |
9f10b292 C |
53 | |
54 | logger.info('Make friends!') | |
cbe2f7c3 | 55 | getMyCertificate(function (err, cert) { |
9f10b292 C |
56 | if (err) { |
57 | logger.error('Cannot read public cert.') | |
58 | return callback(err) | |
59 | } | |
c173e565 | 60 | |
f0f5567b | 61 | const urls = config.get('network.friends') |
c173e565 | 62 | |
528a9efa | 63 | async.eachSeries(urls, function (url, callbackEach) { |
bc503c2a | 64 | computeForeignPodsList(url, podsScore, callbackEach) |
89d1d8ba | 65 | }, function (err) { |
c173e565 C |
66 | if (err) return callback(err) |
67 | ||
bc503c2a C |
68 | logger.debug('Pods scores computed.', { podsScore: podsScore }) |
69 | const podsList = computeWinningPods(urls, podsScore) | |
70 | logger.debug('Pods that we keep.', { podsToKeep: podsList }) | |
9f10b292 | 71 | |
bc503c2a | 72 | makeRequestsToWinningPods(cert, podsList, callback) |
c173e565 | 73 | }) |
9f10b292 | 74 | }) |
9f10b292 C |
75 | } |
76 | ||
77 | function quitFriends (callback) { | |
78 | // Stop pool requests | |
e3647ae2 | 79 | requestsScheduler.deactivate() |
9f10b292 | 80 | // Flush pool requests |
528a9efa | 81 | requestsScheduler.flush() |
9f10b292 | 82 | |
e7ea2817 C |
83 | async.waterfall([ |
84 | function getPodsList (callbackAsync) { | |
85 | return Pods.list(callbackAsync) | |
86 | }, | |
87 | ||
88 | function announceIQuitMyFriends (pods, callbackAsync) { | |
528a9efa | 89 | const requestParams = { |
e7ea2817 C |
90 | method: 'POST', |
91 | path: '/api/' + constants.API_VERSION + '/pods/remove', | |
528a9efa | 92 | sign: true |
c173e565 C |
93 | } |
94 | ||
e7ea2817 | 95 | // Announce we quit them |
528a9efa C |
96 | // We don't care if the request fails |
97 | // The other pod will exclude us automatically after a while | |
98 | async.eachLimit(pods, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { | |
99 | requestParams.toPod = pod | |
100 | requests.makeSecureRequest(requestParams, callbackEach) | |
101 | }, function (err) { | |
102 | if (err) { | |
103 | logger.error('Some errors while quitting friends.', { err: err }) | |
104 | // Don't stop the process | |
105 | } | |
106 | ||
107 | return callbackAsync() | |
e7ea2817 C |
108 | }) |
109 | }, | |
c173e565 | 110 | |
e7ea2817 C |
111 | function removePodsFromDB (callbackAsync) { |
112 | Pods.removeAll(function (err) { | |
113 | return callbackAsync(err) | |
114 | }) | |
115 | }, | |
c173e565 | 116 | |
e7ea2817 C |
117 | function listRemoteVideos (callbackAsync) { |
118 | logger.info('Broke friends, so sad :(') | |
c173e565 | 119 | |
e7ea2817 C |
120 | Videos.listFromRemotes(callbackAsync) |
121 | }, | |
c173e565 | 122 | |
e7ea2817 C |
123 | function removeTheRemoteVideos (videosList, callbackAsync) { |
124 | videos.removeRemoteVideos(videosList, function (err) { | |
125 | if (err) { | |
126 | logger.error('Cannot remove remote videos.', { error: err }) | |
127 | return callbackAsync(err) | |
128 | } | |
cbe2f7c3 | 129 | |
e7ea2817 | 130 | return callbackAsync(null) |
c173e565 | 131 | }) |
e7ea2817 C |
132 | } |
133 | ], function (err) { | |
134 | // Don't forget to re activate the scheduler, even if there was an error | |
135 | requestsScheduler.activate() | |
136 | ||
137 | if (err) return callback(err) | |
138 | ||
139 | logger.info('Removed all remote videos.') | |
140 | return callback(null) | |
9f10b292 C |
141 | }) |
142 | } | |
c173e565 | 143 | |
9f10b292 | 144 | function removeVideoToFriends (video) { |
528a9efa C |
145 | requestsScheduler.addRequest('remove', video) |
146 | } | |
147 | ||
148 | function sendOwnedVideosToPod (podId) { | |
149 | Videos.listOwned(function (err, videosList) { | |
150 | if (err) { | |
151 | logger.error('Cannot get the list of videos we own.') | |
152 | return | |
153 | } | |
154 | ||
155 | videosList.forEach(function (video) { | |
156 | videos.convertVideoToRemote(video, function (err, remoteVideo) { | |
157 | if (err) { | |
158 | logger.error('Cannot convert video to remote.', { error: err }) | |
159 | // Don't break the process | |
160 | return | |
161 | } | |
162 | ||
163 | requestsScheduler.addRequestTo([ podId ], 'add', remoteVideo) | |
164 | }) | |
165 | }) | |
166 | }) | |
9f10b292 | 167 | } |
c173e565 | 168 | |
9f10b292 | 169 | // --------------------------------------------------------------------------- |
c173e565 | 170 | |
9f10b292 | 171 | module.exports = pods |
c173e565 | 172 | |
9f10b292 | 173 | // --------------------------------------------------------------------------- |
c173e565 | 174 | |
bc503c2a | 175 | function computeForeignPodsList (url, podsScore, callback) { |
bc503c2a | 176 | getForeignPodsList(url, function (err, foreignPodsList) { |
89d1d8ba | 177 | if (err) return callback(err) |
528a9efa C |
178 | |
179 | if (!foreignPodsList) foreignPodsList = [] | |
180 | ||
181 | // Let's give 1 point to the pod we ask the friends list | |
182 | foreignPodsList.push({ url: url }) | |
89d1d8ba | 183 | |
bc503c2a | 184 | foreignPodsList.forEach(function (foreignPod) { |
528a9efa | 185 | const foreignPodUrl = foreignPod.url |
89d1d8ba | 186 | |
528a9efa C |
187 | if (podsScore[foreignPodUrl]) podsScore[foreignPodUrl]++ |
188 | else podsScore[foreignPodUrl] = 1 | |
89d1d8ba | 189 | }) |
cbe2f7c3 C |
190 | |
191 | callback() | |
89d1d8ba C |
192 | }) |
193 | } | |
194 | ||
bc503c2a | 195 | function computeWinningPods (urls, podsScore) { |
89d1d8ba C |
196 | // Build the list of pods to add |
197 | // Only add a pod if it exists in more than a half base pods | |
bc503c2a C |
198 | const podsList = [] |
199 | const baseScore = urls.length / 2 | |
d6ea0175 | 200 | Object.keys(podsScore).forEach(function (pod) { |
bc503c2a | 201 | if (podsScore[pod] > baseScore) podsList.push({ url: pod }) |
89d1d8ba | 202 | }) |
e7ea2817 | 203 | |
bc503c2a | 204 | return podsList |
89d1d8ba C |
205 | } |
206 | ||
9f10b292 | 207 | function getForeignPodsList (url, callback) { |
f0f5567b | 208 | const path = '/api/' + constants.API_VERSION + '/pods' |
c173e565 | 209 | |
9f10b292 C |
210 | request.get(url + path, function (err, response, body) { |
211 | if (err) return callback(err) | |
8425cb89 | 212 | |
9f10b292 C |
213 | callback(null, JSON.parse(body)) |
214 | }) | |
215 | } | |
89d1d8ba | 216 | |
bc503c2a | 217 | function makeRequestsToWinningPods (cert, podsList, callback) { |
89d1d8ba | 218 | // Stop pool requests |
e3647ae2 | 219 | requestsScheduler.deactivate() |
89d1d8ba | 220 | // Flush pool requests |
e3647ae2 | 221 | requestsScheduler.forceSend() |
89d1d8ba | 222 | |
528a9efa C |
223 | async.eachLimit(podsList, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { |
224 | const params = { | |
225 | url: pod.url + '/api/' + constants.API_VERSION + '/pods/', | |
226 | method: 'POST', | |
227 | json: { | |
228 | url: http + '://' + host + ':' + port, | |
229 | publicKey: cert | |
230 | } | |
89d1d8ba C |
231 | } |
232 | ||
528a9efa C |
233 | requests.makeRetryRequest(params, function (err, res, body) { |
234 | if (err) { | |
235 | logger.error('Error with adding %s pod.', pod.url, { error: err }) | |
236 | // Don't break the process | |
237 | return callbackEach() | |
238 | } | |
89d1d8ba | 239 | |
528a9efa C |
240 | if (res.statusCode === 200) { |
241 | Pods.add({ url: pod.url, publicKey: body.cert, score: constants.FRIEND_BASE_SCORE }, function (err, podCreated) { | |
242 | if (err) logger.error('Cannot add friend %s pod.', pod.url) | |
89d1d8ba | 243 | |
528a9efa C |
244 | // Add our videos to the request scheduler |
245 | sendOwnedVideosToPod(podCreated._id) | |
89d1d8ba | 246 | |
528a9efa C |
247 | return callbackEach() |
248 | }) | |
249 | } else { | |
250 | logger.error('Status not 200 for %s pod.', pod.url) | |
251 | return callbackEach() | |
89d1d8ba | 252 | } |
528a9efa C |
253 | }) |
254 | }, function endRequests () { | |
255 | // Final callback, we've ended all the requests | |
256 | // Now we made new friends, we can re activate the pool of requests | |
257 | requestsScheduler.activate() | |
258 | ||
259 | logger.debug('makeRequestsToWinningPods finished.') | |
260 | return callback() | |
89d1d8ba C |
261 | }) |
262 | } |