@homebridge/ciao
Version:
ciao is a RFC 6763 compliant dns-sd library, advertising on multicast dns (RFC 6762) implemented in plain Typescript/JavaScript
55 lines • 1.94 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CNAMERecord = void 0;
const tslib_1 = require("tslib");
const assert_1 = tslib_1.__importDefault(require("assert"));
const dns_equal_1 = require("../../util/dns-equal");
const ResourceRecord_1 = require("../ResourceRecord");
class CNAMERecord extends ResourceRecord_1.ResourceRecord {
constructor(name, cname, flushFlag, ttl) {
if (typeof name === "string") {
super(name, 5 /* RType.CNAME */, ttl, flushFlag);
}
else {
(0, assert_1.default)(name.type === 5 /* RType.CNAME */);
super(name);
}
if (!cname.endsWith(".")) {
cname += ".";
}
this.cname = cname;
}
getLowerCasedCName() {
return this.lowerCasedCName || (this.lowerCasedCName = (0, dns_equal_1.dnsLowerCase)(this.cname));
}
getRDataEncodingLength(coder) {
return coder.getNameLength(this.cname);
}
encodeRData(coder, buffer, offset) {
const oldOffset = offset;
const cnameLength = coder.encodeName(this.cname, offset);
offset += cnameLength;
return offset - oldOffset; // written bytes
}
static decodeData(coder, header, buffer, offset) {
const oldOffset = offset;
const decodedName = coder.decodeName(offset);
offset += decodedName.readBytes;
return {
data: new CNAMERecord(header, decodedName.data),
readBytes: offset - oldOffset,
};
}
clone() {
return new CNAMERecord(this.getRecordRepresentation(), this.cname);
}
dataAsString() {
return this.cname;
}
dataEquals(record) {
return this.getLowerCasedCName() === record.getLowerCasedCName();
}
}
exports.CNAMERecord = CNAMERecord;
CNAMERecord.DEFAULT_TTL = ResourceRecord_1.ResourceRecord.RR_DEFAULT_TTL;
//# sourceMappingURL=CNAMERecord.js.map