led-bot/lights/request.js

33 lines
718 B
JavaScript

import * as net from 'net';
const hostname = '192.168.1.219';
const port = 29999;
function getBinarySize(string) {
return Buffer.byteLength(string, 'utf8');
}
export default function req(data, callback, errorCallback) {
let string_data = JSON.stringify(data);
let size = getBinarySize(string_data);
if (size > 9999) {
errorCallback("too long");
return;
}
let client = new net.Socket();
let c_port = global.ctx.lights.port || port;
let c_addr = global.ctx.lights.addr || hostname;
client.connect(c_port, c_addr, () => {
client.write(string_data);
client.destroy();
callback('success.');
});
client.on('error', (e) => {
client.destroy();
errorCallback(e);
});
}