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/**
* @licence app begin@
* SPDX-License-Identifier: MPL-2.0
*
* \copyright Copyright (C) 2016, PCA Peugeot Citroen
*
* \file main.cpp
*
* \brief This file is part of the Navigation Web API proof of concept.
*
* \author Philippe Colliot <philippe.colliot@mpsa.com>
*
* \version 0.1
*
* This Source Code Form is subject to the terms of the
* Mozilla Public License (MPL), v. 2.0.
* If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* For further information see http://www.genivi.org/.
*
* List of changes:
* <date>, <name>, <description of change>
*
* @licence end@
*/
// Requirement of external JS files
var resource = require('./js/resource.js');
// Requirements of nodejs modules
var http = require('http');
var url = require('url');
var fs = require('fs');
var path = require('path');
var gcontext = require('gcontext');
var python_shell = require('python-shell');
var Enum = require('enum');
// Configuration of the python script for simulating log replayer data
var python_script_enum = new Enum({'START': 1, 'INITIALIZATION': 2, 'HIGH_TANK_LEVEL': 3, 'LOW_TANK_LEVEL': 4});
var python_script_options = {
mode: 'text',
pythonPath: '/usr/bin/python3',
pythonOptions: ['-u'],
scriptPath: '../script',
args: [python_script_enum.get('START').key]
};
// Requirements of LBS add-on modules
var positioningEnhancedPositionWrapper = require(resource.generatedNodejsModulePath+'/PositioningEnhancedPositionWrapper');
var fuelStopAdvisorWrapper = require(resource.generatedNodejsModulePath+'/FuelStopAdvisorWrapper');
// Create instances
var i_positioningEnhancedPositionWrapper = new positioningEnhancedPositionWrapper.PositioningEnhancedPositionWrapper();
var i_fuelStopAdvisorWrapper = new fuelStopAdvisorWrapper.FuelStopAdvisorWrapper();
// Create and init server
var port = 8080;
var hostname = '127.0.0.1';
var server = http.createServer(function(req, res) {
var page = url.parse(req.url).pathname;
var full_path = path.join(process.cwd(),page);
// Check if page exists (for the moment only index.html)
fs.exists(full_path,function(exists){
if(!exists){
res.writeHeader(404, {"Content-Type": "text/plain"});
res.write("404 Not Found\n");
res.end();
}
else{
fs.readFile(full_path, "binary", function(err, file) {
if(err) {
res.writeHeader(500, {"Content-Type": "text/plain"});
res.write(err + "\n");
res.end();
}
else{
res.writeHeader(200);
res.write(file, "binary");
res.end();
}
});
}
});
});
// Launch server
server.listen(port);
// Load socket.io and connect it to the server
var io = require('socket.io').listen(server);
// Manage socket for the namespace /simulation
var socket_simulation = io.of('/simulation');
// signals
function positionUpdate(changedValues) {
console.log('positionUpdate: ' + changedValues);
socket_simulation.emit('positioning_signal', {signal: 'positionUpdate', data: changedValues});
}
var setPositionUpdateListener = i_positioningEnhancedPositionWrapper.setPositionUpdateListener(positionUpdate);
function tripDataUpdated(changedValues) {
console.log('tripDataUpdated: ' + changedValues);
socket_simulation.emit('demonstrator_signal', {signal: 'tripDataUpdated', data: changedValues});
}
var setTripDataUpdatedListener = i_fuelStopAdvisorWrapper.setTripDataUpdatedListener(tripDataUpdated);
function fuelStopAdvisorWarning(changedValues) {
console.log('fuelStopAdvisorWarning: ' + changedValues);
socket_simulation.emit('demonstrator_signal', {signal: 'fuelStopAdvisorWarning', data: changedValues});
}
var setFuelStopAdvisorWarningListener = i_fuelStopAdvisorWrapper.setFuelStopAdvisorWarningListener(fuelStopAdvisorWarning);
function tripDataResetted(changedValues) {
console.log('tripDataResetted: ' + changedValues);
socket_simulation.emit('demonstrator_signal', {signal: 'tripDataResetted', data: changedValues});
}
var setTripDataResettedListener = i_fuelStopAdvisorWrapper.setTripDataResettedListener(tripDataResetted);
// Start the gmainloop (to be done after the initialisation of listeners !
gcontext.init();
// connection
socket_simulation.on('connection', function (client) {
console.log('Client connected');
client.on('positioning_request', function (message) {
switch(message.interface) {
case "PositioningEnhancedPosition":
console.log('Message received: Interface-->' + message.interface +' Method-->', message.method +' Parameters-->' + message.parameters);
if (message.method in i_positioningEnhancedPositionWrapper && typeof i_positioningEnhancedPositionWrapper[message.method] === "function") {
var data = i_positioningEnhancedPositionWrapper[message.method](message.parameters);
if(data) {
client.emit('positioning_answer', {request: message.method, answer: data});
}
}
else {
console.log("Could not find " + message.method + " function");
client.emit('feedback', "Could not find " + message.method + " function");
}
break;
default:
console.log("Could not find " + message.interface);
client.emit('feedback', "Could not find " + message.interface);
}
});
client.on('demonstrator_request', function (message) {
switch(message.interface) {
case "FuelStopAdvisor":
console.log('Message received: Interface-->' + message.interface +' Method-->', message.method +' Parameters-->' + message.parameters);
if (message.method in i_fuelStopAdvisorWrapper && typeof i_fuelStopAdvisorWrapper[message.method] === "function") {
var data = i_fuelStopAdvisorWrapper[message.method](message.parameters);
if(data) {
console.log('data' + data);
client.emit('demonstrator_answer', {request: message.method, answer: data});
}
}
else {
console.log("Could not find " + message.method + " function");
client.emit('feedback', "Could not find " + message.method + " function");
}
break;
default:
console.log("Could not find " + message.interface);
client.emit('feedback', "Could not find " + message.interface);
}
});
client.on('panel_request', function (message) {
switch(message.request) {
case "LogReplayerScenario":
console.log('Message received: Request-->', message.request +' Parameters-->' + message.parameters);
python_script_options.args = [message.parameters];
break;
default:
console.log("Could not find " + message.interface);
client.emit('feedback', "Could not find " + message.interface);
}
});
});
// Timer
setInterval(function(){
python_shell.run('simulation-launch.py', python_script_options, function (err, results) {
if (err) throw err;
// console.log('results: %j', results);
});
console.log('Refresh simulated values')
}, 1000);
// Log info
console.log('Server listening at: %s', server.address().port);
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