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test.js
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test.js
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require('dotenv').config({ path: './config.env' });
const net = require('net');
const Parser = require('./parser');
const binutils = require('binutils64');
const express = require('express');
const cors = require('cors');
const dbo = require('./db/conn');
const PORT = process.env.PORT || 5000;
const app = express();
app.use(cors());
app.use(express.json());
app.use(require('./routes/record'));
const wss = require('ws');
let ws;
const wsServer = new wss.Server({ noServer: true });
wsServer.on('connection', socket => {
ws = socket;
ws.on('message', message => console.log(message));
});
// Global error handling
// app.use(function (err, _req, res) {
// console.error(err.stack);
// res.status(500).send('Something broke!');
// });
let dblog;
let imei;
function addLog(data){
if(dblog){
dblog.collection('gpslog').insertOne(data);
}
}
function addRecord(data){
if(dblog){
dblog.collection('gpsrecord').insertOne(data);
}
}
function addTrack(data){
if(dblog){
dblog.collection('gpstrack').insertOne(data);
}
}
function sendNotification(message){
ws.send(message);
}
// perform a database connection when the server starts
dbo.connectToServer(function (err) {
if (err) {
console.error(err);
process.exit();
}
dblog = dbo.getDb();
// start the Express server
let httpserver = app.listen(PORT, () => {
console.log(`Server is running on port: ${PORT}`);
});
httpserver.on('upgrade', (request, socket, head) => {
wsServer.handleUpgrade(request, socket, head, socket => {
wsServer.emit('connection', socket, request);
});
});
let server = net.createServer((c) => {
console.log("client connected");
c.on('end', () => {
console.log("client disconnected");
});
c.on('data', (data) => {
try {
let buffer = data;
let parser = new Parser(buffer);
if (parser.isImei) {
imei = parser.imei;
c.write(Buffer.alloc(1, 1));
} else {
let avl = parser.getAvl();
// console.log(avl);
let logdata = avl;
logdata.imei = imei;
addLog(logdata);
for(var i=0;i<avl.number_of_data;i++){
let rec = avl.records[i];
addRecord(rec);
let track = {
imei: imei,
timestamp: rec.timestamp,
speed: rec.gps.speed,
location: {
type: "Point",
coordinates: [rec.gps.longitude, rec.gps.latitude]
},
};
addTrack(track);
// console.log(rec);
for(var j=0;j<rec.ioElements.length;j++){
// console.log(rec.ioElements[j]);
if(rec.ioElements[j].id==236){
// sendNotification("Alarm! https://maps.google.com/?q="+rec.gps.latitude+","+rec.gps.longitude);
sendNotification("{\"lat\":"+rec.gps.latitude+",\"lng\":"+rec.gps.longitude+"}");
}
}
}
let writer = new binutils.BinaryWriter();
writer.WriteInt32(avl.number_of_data);
let response = writer.ByteBuffer;
c.write(response);
// console.log("=========\n\n");
}
} catch (error) {
console.log(new Date(),error);
}
});
});
server.listen(4545, () => { console.log("Sock Server is running on port: 4545"); });
});