source: trip-planner-front/node_modules/dns-packet/opcodes.js@ bdd6491

Last change on this file since bdd6491 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.3 KB
Line 
1/*
2 * Traditional DNS header OPCODEs (4-bits) defined by IANA in
3 * https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-5
4 */
5
6exports.toString = function (opcode) {
7 switch (opcode) {
8 case 0: return 'QUERY'
9 case 1: return 'IQUERY'
10 case 2: return 'STATUS'
11 case 3: return 'OPCODE_3'
12 case 4: return 'NOTIFY'
13 case 5: return 'UPDATE'
14 case 6: return 'OPCODE_6'
15 case 7: return 'OPCODE_7'
16 case 8: return 'OPCODE_8'
17 case 9: return 'OPCODE_9'
18 case 10: return 'OPCODE_10'
19 case 11: return 'OPCODE_11'
20 case 12: return 'OPCODE_12'
21 case 13: return 'OPCODE_13'
22 case 14: return 'OPCODE_14'
23 case 15: return 'OPCODE_15'
24 }
25 return 'OPCODE_' + opcode
26}
27
28exports.toOpcode = function (code) {
29 switch (code.toUpperCase()) {
30 case 'QUERY': return 0
31 case 'IQUERY': return 1
32 case 'STATUS': return 2
33 case 'OPCODE_3': return 3
34 case 'NOTIFY': return 4
35 case 'UPDATE': return 5
36 case 'OPCODE_6': return 6
37 case 'OPCODE_7': return 7
38 case 'OPCODE_8': return 8
39 case 'OPCODE_9': return 9
40 case 'OPCODE_10': return 10
41 case 'OPCODE_11': return 11
42 case 'OPCODE_12': return 12
43 case 'OPCODE_13': return 13
44 case 'OPCODE_14': return 14
45 case 'OPCODE_15': return 15
46 }
47 return 0
48}
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