46 lines
1.0 KiB
JavaScript
46 lines
1.0 KiB
JavaScript
import mosca from 'mosca';
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// source: https://github.com/mcollina/mosca/wiki/Mosca-basic-usage
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export default function createMQTTServer(port = 1883) {
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const moscaSettings = {
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port,
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persistence: {
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factory: mosca.persistence.LevelUp,
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path: 'db',
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},
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};
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const server = new mosca.Server(moscaSettings);
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const setup = () => {
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console.log('Mosca server is up and running on port:', moscaSettings.port);
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const message = {
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topic: '/hello/world',
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payload: 'abdce', // or a Buffer
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qos: 0, // 0, 1, or 2
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retain: true, // retain message for future subscribers
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};
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console.log('--- server publishing to mqtt ---');
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server.publish(message, () => {
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console.log('message published!');
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});
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};
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server.on('ready', setup);
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// fired when a message is published
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server.on('published', packet => {
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console.log(
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'published event',
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packet.retain ? '(persisted)' : '',
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packet.topic,
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packet.payload
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);
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});
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return server;
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}
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