| 1 | 'use strict'
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| 2 |
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| 3 | exports.toString = function (type) {
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| 4 | switch (type) {
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| 5 |
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| 6 |
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| 7 | case 1: return 'LLQ'
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| 8 | case 2: return 'UL'
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| 9 | case 3: return 'NSID'
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| 10 | case 5: return 'DAU'
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| 11 | case 6: return 'DHU'
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| 12 | case 7: return 'N3U'
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| 13 | case 8: return 'CLIENT_SUBNET'
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| 14 | case 9: return 'EXPIRE'
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| 15 | case 10: return 'COOKIE'
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| 16 | case 11: return 'TCP_KEEPALIVE'
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| 17 | case 12: return 'PADDING'
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| 18 | case 13: return 'CHAIN'
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| 19 | case 14: return 'KEY_TAG'
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| 20 | case 26946: return 'DEVICEID'
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| 21 | }
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| 22 | if (type < 0) {
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| 23 | return null
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| 24 | }
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| 25 | return `OPTION_${type}`
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| 26 | }
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| 27 |
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| 28 | exports.toCode = function (name) {
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| 29 | if (typeof name === 'number') {
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| 30 | return name
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| 31 | }
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| 32 | if (!name) {
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| 33 | return -1
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| 34 | }
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| 35 | switch (name.toUpperCase()) {
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| 36 | case 'OPTION_0': return 0
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| 37 | case 'LLQ': return 1
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| 38 | case 'UL': return 2
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| 39 | case 'NSID': return 3
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| 40 | case 'OPTION_4': return 4
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| 41 | case 'DAU': return 5
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| 42 | case 'DHU': return 6
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| 43 | case 'N3U': return 7
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| 44 | case 'CLIENT_SUBNET': return 8
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| 45 | case 'EXPIRE': return 9
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| 46 | case 'COOKIE': return 10
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| 47 | case 'TCP_KEEPALIVE': return 11
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| 48 | case 'PADDING': return 12
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| 49 | case 'CHAIN': return 13
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| 50 | case 'KEY_TAG': return 14
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| 51 | case 'DEVICEID': return 26946
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| 52 | case 'OPTION_65535': return 65535
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| 53 | }
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| 54 | const m = name.match(/_(\d+)$/)
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| 55 | if (m) {
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| 56 | return parseInt(m[1], 10)
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| 57 | }
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| 58 | return -1
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| 59 | }
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