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service.js
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Tue, Feb 4, 05:11

service.js
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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Service = void 0;
const os_1 = __importDefault(require("os"));
const dns_txt_1 = __importDefault(require("./dns-txt"));
const events_1 = require("events");
const service_types_1 = require("./service-types");
const TLD = '.local';
class Service extends events_1.EventEmitter {
constructor(config) {
super();
this.probe = true;
this.published = false;
this.activated = false;
this.destroyed = false;
this.txtService = new dns_txt_1.default();
if (!config.name)
throw new Error('ServiceConfig requires `name` property to be set');
if (!config.type)
throw new Error('ServiceConfig requires `type` property to be set');
if (!config.port)
throw new Error('ServiceConfig requires `port` property to be set');
this.name = config.name;
this.protocol = config.protocol || 'tcp';
this.type = (0, service_types_1.toString)({ name: config.type, protocol: this.protocol });
this.port = config.port;
this.host = config.host || os_1.default.hostname();
this.fqdn = `${this.name}.${this.type}${TLD}`;
this.txt = config.txt;
this.subtypes = config.subtypes;
}
records() {
var records = [this.RecordPTR(this), this.RecordSRV(this), this.RecordTXT(this)];
let ifaces = Object.values(os_1.default.networkInterfaces());
for (let iface of ifaces) {
let addrs = iface;
for (let addr of addrs) {
if (addr.internal || addr.mac === '00:00:00:00:00:00')
continue;
switch (addr.family) {
case 'IPv4':
records.push(this.RecordA(this, addr.address));
break;
case 'IPv6':
records.push(this.RecordAAAA(this, addr.address));
break;
}
}
}
return records;
}
RecordPTR(service) {
return {
name: `${service.type}${TLD}`,
type: 'PTR',
ttl: 28800,
data: service.fqdn
};
}
RecordSRV(service) {
return {
name: service.fqdn,
type: 'SRV',
ttl: 120,
data: {
port: service.port,
target: service.host
}
};
}
RecordTXT(service) {
return {
name: service.fqdn,
type: 'TXT',
ttl: 4500,
data: this.txtService.encode(service.txt)
};
}
RecordA(service, ip) {
return {
name: service.host,
type: 'A',
ttl: 120,
data: ip
};
}
RecordAAAA(service, ip) {
return {
name: service.host,
type: 'AAAA',
ttl: 120,
data: ip
};
}
}
exports.Service = Service;
exports.default = Service;
//# sourceMappingURL=service.js.map

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