@achingbrain/ssdp/dist/src/advertise/index.js

Yet another SSDP implementation for node.js

import { adverts } from '../adverts.js';
import { BYEBYE, ALIVE } from '../commands/notify.js';
import { broadcastAdvert } from './broadcast-advert.js';
import { createLocation } from './create-location.js';
import { parseAdvertOptions } from './parse-options.js';
export async function advertise(ssdp, options) {
    const advert = parseAdvertOptions(ssdp, options);
    const shutDownServers = await createLocation(ssdp, advert);
    let timeout;
    const broadcast = () => {
        broadcastAdvert(ssdp, advert, ALIVE);
        timeout = setTimeout(broadcast, advert.interval);
    };
    // send ssdp:byebye then ssdp:alive
    // see: https://msdn.microsoft.com/en-us/library/cc247331.aspx
    broadcastAdvert(ssdp, advert, BYEBYE);
    broadcast();
    const ad = {
        service: advert,
        stop: async () => {
            clearTimeout(timeout);
            // tell the network we are going away
            broadcastAdvert(ssdp, advert, BYEBYE);
            await shutDownServers();
            // remove advert from list
            adverts.remove(ad);
        }
    };
    adverts.add(ad);
    return ad;
}
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