Commit ddce9d65dacfda722ef6cee8098d1500528b6c22
1 parent
bf4cb9aaaf
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master
DEBUG
Showing 1 changed file with 16 additions and 17 deletions Inline Diff
lib/modem-chooser.js
| 1 | 'use strict'; | 1 | 'use strict'; |
| 2 | 2 | ||
| 3 | const prefixes = require('./prefixes'); | 3 | const prefixes = require('./prefixes'); |
| 4 | const modems = require('./modems2'); | 4 | const modems = require('./modems2'); |
| 5 | const partnerLastSeen = require('./partner-last-seen'); | 5 | const partnerLastSeen = require('./partner-last-seen'); |
| 6 | 6 | ||
| 7 | function filterOutCandidates(candidates) { | 7 | function filterOutCandidates(candidates) { |
| 8 | if (!Array.isArray(candidates)) { | 8 | if (!Array.isArray(candidates)) { |
| 9 | return []; | 9 | return []; |
| 10 | } | 10 | } |
| 11 | 11 | ||
| 12 | if (!candidates.length) return []; | 12 | if (!candidates.length) return []; |
| 13 | 13 | ||
| 14 | return candidates.filter((item) => { | 14 | return candidates.filter((item) => { |
| 15 | if (typeof item !== 'string') return false; | 15 | if (typeof item !== 'string') return false; |
| 16 | if (item.indexOf('#') >= 0) return false; | 16 | if (item.indexOf('#') >= 0) return false; |
| 17 | 17 | ||
| 18 | const modem = modems.get('by_imsi', item); | 18 | const modem = modems.get('by_imsi', item); |
| 19 | if (!modem) return false; | 19 | if (!modem) return false; |
| 20 | 20 | ||
| 21 | return true; | 21 | return true; |
| 22 | }); | 22 | }); |
| 23 | } | 23 | } |
| 24 | 24 | ||
| 25 | exports.chooser = async function chooser(destination, config) { | 25 | exports.chooser = async function chooser(destination, config) { |
| 26 | const logger = global.KOMODO_LOGGER; | 26 | const logger = global.KOMODO_LOGGER; |
| 27 | 27 | ||
| 28 | let prefixName = await prefixes.lookup(destination); | 28 | let prefixName = await prefixes.lookup(destination); |
| 29 | if (typeof prefixName === 'string') { | 29 | if (typeof prefixName === 'string') { |
| 30 | prefixName = prefixName.toUpperCase(); | 30 | prefixName = prefixName.toUpperCase(); |
| 31 | } | 31 | } |
| 32 | 32 | ||
| 33 | if (logger) logger.verbose('MODEM-CHOOSER: Choosing suitable senders', { destination, prefixName }); | 33 | if (logger) logger.verbose('MODEM-CHOOSER: Choosing suitable senders', { destination, prefixName }); |
| 34 | 34 | ||
| 35 | let imsiSenders = []; | 35 | let sendersImsi = []; |
| 36 | if (config.senders_imsi && prefixName && config.senders_imsi.prefix_names && config.senders_imsi.prefix_names[prefixName]) { | 36 | if (config.senders_imsi && prefixName && config.senders_imsi.prefix_names && config.senders_imsi.prefix_names[prefixName]) { |
| 37 | imsiSenders = filterOutCandidates(config.senders_imsi.prefix_names[prefixName]); | 37 | sendersImsi = filterOutCandidates(config.senders_imsi.prefix_names[prefixName]); |
| 38 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use imsi senders by prefix name', { destination, prefixName, imsiSenders }); | 38 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use imsi senders by prefix name', { destination, prefixName, sendersImsi, candidates: config.senders_imsi.prefix_names[prefixName] }); |
| 39 | } | 39 | } |
| 40 | 40 | ||
| 41 | if (!imsiSenders.length && config.senders_imsi && config.senders_imsi.unknown_prefix) { | 41 | if (!sendersImsi.length && config.senders_imsi && config.senders_imsi.unknown_prefix) { |
| 42 | imsiSenders = filterOutCandidates(config.senders_imsi.unknown_prefix); | 42 | sendersImsi = filterOutCandidates(config.senders_imsi.unknown_prefix); |
| 43 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use senders for unknown prefix', { destination, prefixName, imsiSenders }); | 43 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use senders for unknown prefix', { destination, prefixName, sendersImsi, candidates: config.senders_imsi.unknown_prefix }); |
| 44 | } | 44 | } |
| 45 | 45 | ||
| 46 | if (!imsiSenders.length) { | 46 | if (!sendersImsi.length) { |
| 47 | imsiSenders = filterOutCandidates([ await partnerLastSeen.get(destination) ]); | 47 | sendersImsi = filterOutCandidates([ await partnerLastSeen.get(destination) ]); |
| 48 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use sender by last seen', { destination, prefixName, imsiSenders }); | 48 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use sender by last seen', { destination, prefixName, sendersImsi }); |
| 49 | } | 49 | } |
| 50 | 50 | ||
| 51 | if (!imsiSenders.length && config.senders_imsi && config.senders_imsi.default) { | 51 | if (!sendersImsi.length && config.senders_imsi && config.senders_imsi.default) { |
| 52 | imsiSenders = filterOutCandidates(config.senders_imsi.default); | 52 | sendersImsi = filterOutCandidates(config.senders_imsi.default); |
| 53 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use default senders', { destination, prefixName, imsiSenders }); | 53 | if (logger) logger.verbose('MODEM-CHOOSER: Try to use default senders', { destination, prefixName, sendersImsi, candidates: config.senders_imsi.default }); |
| 54 | } | 54 | } |
| 55 | 55 | ||
| 56 | 56 | if (!sendersImsi.length) { | |
| 57 | if (!imsiSenders.length) { | ||
| 58 | if (logger) logger.warn('MODEM-CHOOSER: No suitable sender found', { destination, prefixName }); | 57 | if (logger) logger.warn('MODEM-CHOOSER: No suitable sender found', { destination, prefixName }); |
| 59 | return; | 58 | return; |
| 60 | } | 59 | } |
| 61 | 60 | ||
| 62 | const count = imsiSenders.length; | 61 | const count = sendersImsi.length; |
| 63 | const idx = Math.round(Math.random() * (count - 1)); | 62 | const idx = Math.round(Math.random() * (count - 1)); |
| 64 | const imsiChoosed = imsiSenders[idx]; | 63 | const imsiChoosed = sendersImsi[idx]; |
| 65 | 64 | ||
| 66 | if (logger) logger.verbose(`MODEM-CHOOSER: gonna use modem with IMSI ${imsiChoosed}`, { destination, prefixName, imsiSenders }); | 65 | if (logger) logger.verbose(`MODEM-CHOOSER: gonna use modem with IMSI ${imsiChoosed}`, { destination, prefixName, imsiSenders: sendersImsi }); |
| 67 | 66 | ||
| 68 | return imsiChoosed; | 67 | return imsiChoosed; |
| 69 | } | 68 | } |