Server.js

var express = require('express');
var utilities = require('./serverUtility');
var app= express();
app.use(express.static(__dirname + '/'));
var bodyParser = require('body-parser');
var multer = require('multer'); 

app.use(bodyParser.json()); 
app.use(bodyParser.urlencoded({ extended: true })); 
app.use(multer()); 
var port = 8080;
var server=app.listen(port, function() {
	var host = server.address().address;
	var port = server.address().port;
	console.log('server listening on port ' + port+host);
});
app.post('/getPath', function (req, res) {
	console.log("Got request on node to calculate path");
    var path,tPath,robotPos,currAlgo;
	 path=req.body.path;
	 robotPos=req.body.robotPos;
     currAlgo=req.body.algo;
    if(currAlgo=="Greedy"){
        path=utilities.sortDistanceWise(robotPos,path);
         tPath=utilities.calculateThePath(path);
        console.log("Sending Response Back");
        res.json(tPath);
    }else{
        path=utilities.bruteForce(robotPos,path);
         tPath=utilities.calculateThePath(path);
        console.log("Sending Response Back");
        res.json(tPath);
    }

});