vue hello world项目
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/*
* Traditional DNS header RCODEs (4-bits) defined by IANA in
* https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml
*/
exports.toString = function (rcode) {
switch (rcode) {
case 0: return 'NOERROR'
case 1: return 'FORMERR'
case 2: return 'SERVFAIL'
case 3: return 'NXDOMAIN'
case 4: return 'NOTIMP'
case 5: return 'REFUSED'
case 6: return 'YXDOMAIN'
case 7: return 'YXRRSET'
case 8: return 'NXRRSET'
case 9: return 'NOTAUTH'
case 10: return 'NOTZONE'
case 11: return 'RCODE_11'
case 12: return 'RCODE_12'
case 13: return 'RCODE_13'
case 14: return 'RCODE_14'
case 15: return 'RCODE_15'
}
return 'RCODE_' + rcode
}
exports.toRcode = function (code) {
switch (code.toUpperCase()) {
case 'NOERROR': return 0
case 'FORMERR': return 1
case 'SERVFAIL': return 2
case 'NXDOMAIN': return 3
case 'NOTIMP': return 4
case 'REFUSED': return 5
case 'YXDOMAIN': return 6
case 'YXRRSET': return 7
case 'NXRRSET': return 8
case 'NOTAUTH': return 9
case 'NOTZONE': return 10
case 'RCODE_11': return 11
case 'RCODE_12': return 12
case 'RCODE_13': return 13
case 'RCODE_14': return 14
case 'RCODE_15': return 15
}
return 0
}