Files: 55b982e84f28bdac225f8b820c159d4a303cf019 / modules_extra / network.js
6050 bytesRaw
1 | const fs = require('fs') |
2 | // const { isVisible } = require('is-visible') |
3 | const h = require('../h') |
4 | const human = require('human-time') |
5 | |
6 | const { |
7 | Struct, Value, Dict, |
8 | dictToCollection, map: mutantMap, when, computed |
9 | } = require('@mmckegg/mutant') |
10 | |
11 | //var avatar = plugs.first(exports.avatar = []) |
12 | //var sbot_gossip_peers = plugs.first(exports.sbot_gossip_peers = []) |
13 | //var sbot_gossip_connect = plugs.first(exports.sbot_gossip_connect = []) |
14 | |
15 | exports.needs = { |
16 | avatar_image_link: 'first', |
17 | avatar_name_link: 'first', |
18 | sbot_gossip_peers: 'first', |
19 | sbot_gossip_connect: 'first' |
20 | } |
21 | |
22 | exports.gives = { |
23 | menu_items: true, |
24 | builtin_tabs: true, |
25 | screen_view: true, |
26 | mcss: true |
27 | } |
28 | |
29 | //sbot_gossip_connect |
30 | //sbot_gossip_add |
31 | |
32 | |
33 | function legacyToMultiServer(addr) { |
34 | return 'net:'+addr.host + ':'+addr.port + '~shs:'+addr.key.substring(1).replace('.ed25519','') |
35 | } |
36 | |
37 | //on the same wifi network |
38 | function isLocal (peer) { |
39 | // don't rely on private ip address, because |
40 | // cjdns creates fake private ip addresses. |
41 | return ip.isPrivate(peer.host) && peer.type === 'local' |
42 | } |
43 | |
44 | |
45 | function getType (peer) { |
46 | return ( |
47 | isLongterm(peer) ? 'modern' |
48 | : isLegacy(peer) ? 'legacy' |
49 | : isInactive(peer) ? 'inactive' |
50 | : isUnattempted(peer) ? 'unattempted' |
51 | : 'other' //should never happen |
52 | ) |
53 | |
54 | //pub is running scuttlebot >=8 |
55 | //have connected successfully. |
56 | function isLongterm (peer) { |
57 | return peer.ping && peer.ping.rtt && peer.ping.rtt.mean > 0 |
58 | } |
59 | |
60 | //pub is running scuttlebot < 8 |
61 | //have connected sucessfully |
62 | function isLegacy (peer) { |
63 | return /connect/.test(peer.state) || (peer.duration && peer.duration.mean) > 0 && !isLongterm(peer) |
64 | } |
65 | |
66 | //tried to connect, but failed. |
67 | function isInactive (peer) { |
68 | return peer.stateChange && (peer.duration && peer.duration.mean == 0) |
69 | } |
70 | |
71 | //havn't tried to connect peer yet. |
72 | function isUnattempted (peer) { |
73 | return !peer.stateChange |
74 | } |
75 | } |
76 | |
77 | function origin (peer) { |
78 | return peer.source === 'local' ? 0 : 1 |
79 | } |
80 | |
81 | function round(n) { |
82 | return Math.round(n*100)/100 |
83 | } |
84 | |
85 | function duration (s) { |
86 | if(!s) return s |
87 | if (Math.abs(s) > 30000) |
88 | return round(s/60000)+'m' |
89 | else if (Math.abs(s) > 500) |
90 | return round(s/1000)+'s' |
91 | else |
92 | return round(s)+'ms' |
93 | } |
94 | |
95 | function peerListSort (a, b) { |
96 | var states = { |
97 | connected: 3, |
98 | connecting: 2 |
99 | } |
100 | |
101 | //types of peers |
102 | var types = { |
103 | modern: 4, |
104 | legacy: 3, |
105 | inactive: 2, |
106 | unattempted: 1, |
107 | other: 0 |
108 | } |
109 | |
110 | return ( |
111 | (states[b.state] || 0) - (states[a.state] || 0) |
112 | || origin(b) - origin(a) |
113 | || types[getType(b)] - types[getType(a)] |
114 | || b.stateChange - a.stateChange |
115 | ) |
116 | } |
117 | |
118 | function formatDate (time) { |
119 | return new Date(time).toString() |
120 | } |
121 | |
122 | function humanDate (time) { |
123 | return human(new Date(time)).replace(/minute/, 'min').replace(/second/, 'sec') |
124 | } |
125 | |
126 | exports.create = function (api) { |
127 | |
128 | return { |
129 | menu_items: () => h('a', {href: '#/network'}, '/network'), |
130 | builtin_tabs: () => ['/network'], |
131 | screen_view, |
132 | mcss: () => fs.readFileSync(__filename.replace(/js$/, 'mcss'), 'utf8') |
133 | } |
134 | |
135 | function screen_view (path) { |
136 | if (path !== '/network') return |
137 | |
138 | var peers = obs_gossip_peers(api) |
139 | |
140 | return h('div', { style: {'overflow':'auto'}, className: 'column scroller' }, [ |
141 | h('Network', [ |
142 | mutantMap(peers, peer => { |
143 | var { key, ping, source, state, stateChange } = peer |
144 | |
145 | return h('NetworkConnection', [ |
146 | h('section.avatar', [ |
147 | api.avatar_image_link(key()), |
148 | ]), |
149 | h('section.name', [ |
150 | api.avatar_name_link(key()), |
151 | ]), |
152 | h('section.type', [ |
153 | computed(peer, getType), |
154 | ]), |
155 | h('section.source', [ |
156 | h('label', 'source:'), |
157 | h('code', source) |
158 | ]), |
159 | h('section.state', [ |
160 | h('label', 'state:'), |
161 | h('i', { |
162 | className: computed(state, (state) => '-'+state) |
163 | }), |
164 | h('code', when(state, state, 'not connected')) |
165 | ]), |
166 | h('section.actions', [ |
167 | h('button', { |
168 | 'ev-click': () => { |
169 | api.sbot_gossip_connect(peer(), (err) => { |
170 | if(err) console.error(err) |
171 | else console.log('connected to', peer()) |
172 | }) |
173 | }}, |
174 | 'connect' |
175 | ) |
176 | ]), |
177 | h('section.time-ago', [ |
178 | h('div', |
179 | { title: computed(stateChange, formatDate) }, |
180 | [ computed(stateChange, humanDate) ] |
181 | ) |
182 | ]), |
183 | h('section.ping', [ |
184 | h('div.rtt', [ |
185 | h('label', 'rtt:'), |
186 | h('code', computed(ping.rtt.mean, duration)) |
187 | ]), |
188 | h('div.skew', [ |
189 | h('label', 'skew:'), |
190 | h('code', computed(ping.skew.mean, duration)) |
191 | ]), |
192 | ]), |
193 | h('section.address', [ |
194 | h('code', computed(peer, legacyToMultiServer)) |
195 | ]) |
196 | ]) |
197 | }) |
198 | ]) |
199 | ]) |
200 | } |
201 | } |
202 | |
203 | function obs_gossip_peers (api) { |
204 | var timer = null |
205 | var state = Dict({}, { |
206 | onListen: () => { |
207 | timer = setInterval(refresh, 5e3) |
208 | }, |
209 | onUnlisten: () => { |
210 | clearInterval(timer) |
211 | } |
212 | }) |
213 | |
214 | refresh() |
215 | |
216 | return dictToCollection.values(state) |
217 | |
218 | function refresh () { |
219 | api.sbot_gossip_peers((err, peers) => { |
220 | peers.forEach(data => { |
221 | var id = legacyToMultiServer(data) |
222 | var current = state.get(id) |
223 | if (!current) { |
224 | current = Peer() |
225 | current.set(data) |
226 | state.put(id, current) |
227 | } else { |
228 | current.set(data) |
229 | } |
230 | }) |
231 | }) |
232 | } |
233 | } |
234 | |
235 | function Peer () { |
236 | var peer = Struct({ |
237 | key: Value(), |
238 | ping: Struct({ |
239 | rtt: Struct({ |
240 | mean: Value() |
241 | }), |
242 | skew: Struct({ |
243 | mean: Value() |
244 | }) |
245 | }), |
246 | source: Value(), |
247 | state: Value(), |
248 | stateChange: Value() |
249 | }) |
250 | |
251 | return peer |
252 | } |
253 | |
254 |
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