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test.js
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test.js
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/*
* Copyright (c) 2023, Ollie Killean
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
const { Socket } = require('./dist/index.js');
const chalk = require('chalk');
(async () => {
console.clear();
const host = await Socket.getHost();
console.log('host:', host);
const socket = new Socket({
host: host,
port: 14580,
auth: {
callsign: 'GNETJS',
receiveOnly: true,
},
filter: {
longitude: -3.32193147,
latitude: 56.18910734,
distance: 10,
},
});
const aircraft = new Map();
setInterval(() => {
console.clear();
console.log(`X SOURCE LATITUDE LONGITUDE TRACK SPEED ALTITUDE LEVEL`);
console.log(`---------------------------------------------------------------------------------`);
for (const [source, position] of aircraft.entries()) {
const seenSecondsAgo = Math.floor((new Date() - position.seenAt) / 1_000);
if (seenSecondsAgo > 90) {
aircraft.delete(source);
continue;
}
const secs = addPadding(seenSecondsAgo.toString(), 2, ' ', false);
const str = `${seenSecondsAgo > 60 ? chalk.redBright(secs) : secs} ${source} ${position.body.latitude.toFixed(3)} ${position.body.longitude.toFixed(3)} ${addPadding(position.body.groundTrack.toString(), 3, '0')} ${addPadding(position.body.groundSpeed.toString(), 5, ' ', false)} ${addPadding(`${position.body.altitude.toLocaleString()}ft`, 8, ' ', false)} FL${addPadding(position.body.flightLevel.toString(), 3, '0')}`;
console.log(position.body.groundSpeed > 10 ? chalk.whiteBright(str) : chalk.gray(str));
}
}, 500);
function addPadding(str, minLength, pad, padLeft = true) {
while (str.length < minLength) {
str = padLeft ? pad + str : str + pad;
}
return str;
}
socket.on('position', (position) => {
position.seenAt = new Date();
aircraft.set(position.header.source, position);
});
socket.connect();
})();