36 lines
776 B
JavaScript
36 lines
776 B
JavaScript
(function (exports) {
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'use strict';
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// A 'CNAME' record is a 32-bit value representing the IP address
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exports.DNS_PACKER_TYPE_CNAME = function (ab, dv, total, record) {
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if (!record.data) {
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throw new Error("no data for CNAME record");
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}
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var cnameLen = 0;
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var rdLenIndex = total;
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total += 2;
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// RDATA
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// a sequence of labels
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record.data.split('.').forEach(function (label) {
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cnameLen += 1 + label.length;
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dv.setUint8(total, label.length, false);
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total += 1;
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label.split('').forEach(function (ch) {
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dv.setUint8(total, ch.charCodeAt(0), false);
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total += 1;
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});
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});
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// RDLENGTH
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dv.setUint16(rdLenIndex, record.data.length + 1, false);
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return total;
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};
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}('undefined' !== typeof window ? window : exports));
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