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check-freq.js
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check-freq.js
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var L = require('leaflet-headless');
var geolib = require('geolib');
var fs = require('fs');
var nd = require('needle');
// Informacion vinculada a lineas de colectivos a revisar, junto con paradas de cada linea
var _busLines = {
'500': {
req: {
url: 'http://www.gpssumo.com/ajax/ebus_dev/get/faa8f91f9b9fbc077ac44ca18aaa7b97/0',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Referer': 'http://www.gpssumo.com/'
},
body: "t=0&r=3_500"
},
beaconList: [
{ id: 'y-1', pos: { latitude: -37.290099, longitude: -59.155830 }, radius: 50 },
{ id: 'y-2', pos: { latitude: -37.292506, longitude: -59.156345 }, radius: 50 },
{ id: 'y-3', pos: { latitude: -37.298156, longitude: -59.138428 }, radius: 50 },
{ id: 'y-4', pos: { latitude: -37.301877, longitude: -59.142934 }, radius: 50 },
{ id: 'y-5', pos: { latitude: -37.304540, longitude: -59.139372 }, radius: 50 },
{ id: 'y-6', pos: { latitude: -37.303772, longitude: -59.142827 }, radius: 50 },
{ id: 'y-7', pos: { latitude: -37.309711, longitude: -59.135209 }, radius: 50 },
{ id: 'y-8', pos: { latitude: -37.308260, longitude: -59.139415 }, radius: 50 },
{ id: 'y-9', pos: { latitude: -37.323363, longitude: -59.136583 }, radius: 50 },
{ id: 'y-10', pos: { latitude: -37.323449, longitude: -59.133085 }, radius: 50 },
{ id: 'y-11', pos: { latitude: -37.327459, longitude: -59.136068 }, radius: 50 },
{ id: 'y-12', pos: { latitude: -37.328022, longitude: -59.137462 }, radius: 50 },
{ id: 'y-13', pos: { latitude: -37.334607, longitude: -59.134952 }, radius: 50 },
{ id: 'y-14', pos: { latitude: -37.333106, longitude: -59.130918 }, radius: 50 },
{ id: 'y-15', pos: { latitude: -37.338446, longitude: -59.126004 }, radius: 50 },
{ id: 'y-16', pos: { latitude: -37.334915, longitude: -59.124266 }, radius: 50 },
{ id: 'y-17', pos: { latitude: -37.332748, longitude: -59.114760 }, radius: 50 },
{ id: 'y-18', pos: { latitude: -37.332134, longitude: -59.116906 }, radius: 50 },
{ id: 'y-19', pos: { latitude: -37.330462, longitude: -59.112421 }, radius: 50 },
{ id: 'y-20', pos: { latitude: -37.329830, longitude: -59.114653 }, radius: 50 },
]
},
'501': {
req: {
url: 'http://www.gpssumo.com/ajax/ebus_dev/get/faa8f91f9b9fbc077ac44ca18aaa7b97/0',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Referer': 'http://www.gpssumo.com/'
},
body: "t=0&r=4_501"
},
beaconList: []
},
'502': {
req: {
url: 'http://www.gpssumo.com/ajax/ebus_dev/get/faa8f91f9b9fbc077ac44ca18aaa7b97/0',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Referer': 'http://www.gpssumo.com/'
},
body: "t=0&r=5_502"
},
beaconList: []
},
'503': {
req: {
url: 'http://www.gpssumo.com/ajax/ebus_dev/get/faa8f91f9b9fbc077ac44ca18aaa7b97/0',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Referer': 'http://www.gpssumo.com/'
},
body: "t=0&r=6_503"
},
beaconList: []
},
'504': {
req: {
url: 'http://www.gpssumo.com/ajax/ebus_dev/get/faa8f91f9b9fbc077ac44ca18aaa7b97/0',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Referer': 'http://www.gpssumo.com/'
},
body: "t=0&r=7_504"
},
beaconList: []
},
'505': {
req: {
url: 'http://www.gpssumo.com/ajax/ebus_dev/get/faa8f91f9b9fbc077ac44ca18aaa7b97/0',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Referer': 'http://www.gpssumo.com/'
},
body: "t=0&r=8_505"
},
beaconList: []
}
};
// Valor de intervalo/frecuencia minima entre colectivos en minutos (por encima de eso, es alerta)
var _intervalBetweenBusesMin = 12; // 12 min
// Idem _intervalBetweenBusesMin pero en milisegundos
var _intervalBetweenBuses = _intervalBetweenBusesMin*60*1000;
// Chequeo estado de red de colectivos cada 5 segundos
var _intervalCheck = 5000;
var _maxLogsByProx = 5;
var systemState = {
distances: {},
proximityLog: {},
};
var sysDebug = true;
function debug(msg) {
if (sysDebug) {
console.log(msg);
}
}
function lineCheck(line) {
var arrBuses;
function callback(error, response) {
if (!error && response.statusCode == 200) {
arrBuses = eval(response.body.substring(3));
var distances = [];
var proximityLog = (systemState.proximityLog[line])?systemState.proximityLog[line]:[];
var when = Date.now();
var counter = 0;
while (counter < arrBuses[1].length) {
var aBusPos = { latitude: arrBuses[1][counter]._latlng.lat, longitude: arrBuses[1][counter]._latlng.lng };
var aBusId = arrBuses[1][counter].options.title.substring(1, arrBuses[1][counter].options.title.indexOf(']'));
var bcounter = 0;
while (bcounter < _busLines[line].beaconList.length) {
var isInsideBeacon = geolib.isPointInCircle(
aBusPos,
_busLines[line].beaconList[bcounter].pos,
_busLines[line].beaconList[bcounter].radius
);
var d = geolib.getDistance(
aBusPos,
_busLines[line].beaconList[bcounter].pos
);
var beaconId = _busLines[line].beaconList[bcounter].id;
if (isInsideBeacon) {
debug('Bus ' + aBusId +' ('+line+') in proximity of beacon ' + beaconId);
// Save { time, busLine, busId, beaconId, distanceToBeacon } to proximityLog
if (proximityLog[beaconId] == null) {
proximityLog[beaconId] = [];
}
if (proximityLog[beaconId].length > 0) {
// Check if it's same Bus as last recorded Bus
if (proximityLog[beaconId][0].bus != aBusId.toString()) {
debug('Inserting new proximities (it is a different bus)');
if (proximityLog[beaconId].length == _maxLogsByProx) {
proximityLog[beaconId].pop();
}
proximityLog[beaconId].unshift({ time: when, line: line, bus: aBusId, beacon: beaconId, dist: d });
}
} else {
debug('Inserting the first proximity');
// It's the first one
proximityLog[beaconId].push({ time: when, line: line, bus: aBusId, beacon: beaconId, dist: d });
}
debug(proximityLog);
debug('------------------------------------');
}
// Distances to beacons at last check
distances.push({ time: when, line: line, bus: aBusId, beacon: beaconId, dist: d });
++bcounter;
}
++counter;
}
systemState.distances[line] = distances;
systemState.proximityLog[line] = proximityLog;
}
}
var options = {
headers: _busLines[line].req.headers
};
nd.post(_busLines[line].req.url, _busLines[line].req.body, options, callback);
}
var alertLog = {};
function checkTiming() {
var pLog = systemState.proximityLog ;
for (cLineKey in pLog) {
debug('--------- '+cLineKey+' ---------');
byBeaconLog = pLog[cLineKey];
for (cbeacon in byBeaconLog) {
debug('--------- '+cbeacon+' ---------');
proximities = byBeaconLog[cbeacon];
var cprox = 0;
while (cprox < proximities.length) {
if (cprox+1 < proximities.length) {
var freq = proximities[cprox].time - proximities[cprox+1].time ;
var fKey = cLineKey+'-'+proximities[cprox].time+'-'+proximities[cprox+1].time ;
debug('Last Freq: '+ freq/1000/60 + ' min');
if ( freq > _intervalBetweenBuses ){
var log = '--------------------------------------------------- \n'+
'Timing Alert !!! - Frequency between last 2 buses ('+freq/1000/60+' min) \n'+
'At line: '+cLineKey+' between BusID: '+proximities[cprox].bus+' and BusID: '+proximities[cprox+1].bus+' in Beacon '+cbeacon+'\n';
var log = cLineKey+','+cbeacon+','+(freq/1000/60)+','+proximities[cprox].bus+','+proximities[cprox+1].bus+','+proximities[cprox].time+','+proximities[cprox+1].time;
debug(log);
alertLog[fKey] = {log};
}
}
cprox++;
}
};
};
}
var lastDate = (new Date()).toISOString().substring(0, 10);
function saveAlerts() {
var today = (new Date()).toISOString().substring(0, 10);
fs.writeFile('./results/checktiming-alerts-' + today + '.log', JSON.stringify(alertLog), function (err) {
if (err) {
return debug(err);
}
});
if (lastDate != today) {
alertLog = {};
};
lastDate = today;
}
setInterval(function () { lineCheck('500') }, _intervalCheck);
/*setInterval(function() { lineCheck('501') },_intervalCheck);
setInterval(function() { lineCheck('502') },_intervalCheck);
setInterval(function() { lineCheck('503') },_intervalCheck);
setInterval(function() { lineCheck('504') },_intervalCheck);
setInterval(function() { lineCheck('505') },_intervalCheck);*/
setInterval(checkTiming,_intervalCheck*3); // 15 secs
setInterval(saveAlerts,_intervalCheck*12); // 1 min