@achingbrain/ssdp/dist/src/commands/search.js

Yet another SSDP implementation for node.js

import { adverts } from '../adverts.js';
export function search(ssdp, message, remote) {
    if (message.ST == null) {
        return;
    }
    adverts.forEach(advert => {
        if (message.ST === 'ssdp:all' || advert.usn.toLowerCase() === message.ST.toLowerCase()) {
            ssdp.emit('ssdp:send-message', 'HTTP/1.1 200 OK', {
                ST: message.ST === 'ssdp:all' ? advert.usn : message.ST,
                USN: `${ssdp.udn}::${advert.usn}`,
                LOCATION: advert.location,
                'CACHE-CONTROL': `max-age=${Math.round(advert.ttl / 1000)}`,
                DATE: new Date().toUTCString(),
                SERVER: ssdp.signature,
                EXT: ''
            }, remote);
        }
    });
}
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