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server.js
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server.js
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/**
* @preserve
*
* .,,,;;,'''..
* .'','... ..',,,.
* .,,,,,,',,',;;:;,. .,l,
* .,',. ... ,;, :l.
* ':;. .'.:do;;. .c ol;'.
* ';;' ;.; ', .dkl';, .c :; .'.',::,,'''.
* ',,;;;,. ; .,' .'''. .'. .d;''.''''.
* .oxddl;::,,. ', .'''. .... .'. ,:;..
* .'cOX0OOkdoc. .,'. .. ..... 'lc.
* .:;,,::co0XOko' ....''..'.'''''''.
* .dxk0KKdc:cdOXKl............. .. ..,c....
* .',lxOOxl:'':xkl,',......'.... ,'.
* .';:oo:... .
* .cd, ╔═╗┌─┐┬─┐┬ ┬┌─┐┬─┐ .
* .l; ╚═╗├┤ ├┬┘└┐┌┘├┤ ├┬┘ '
* 'l. ╚═╝└─┘┴└─ └┘ └─┘┴└─ '.
* .o. ...
* .''''','.;:''.........
* .' .l
* .:. l'
* .:. .l.
* .x: :k;,.
* cxlc; cdc,,;;.
* 'l :.. .c ,
* o.
* .,
*
* ╦ ╦┬ ┬┌┐ ┬─┐┬┌┬┐ ╔═╗┌┐ ┬┌─┐┌─┐┌┬┐┌─┐
* ╠═╣└┬┘├┴┐├┬┘│ ││ ║ ║├┴┐ │├┤ │ │ └─┐
* ╩ ╩ ┴ └─┘┴└─┴─┴┘ ╚═╝└─┘└┘└─┘└─┘ ┴ └─┘
*
* Created by Valentin on 10/22/14.
*
* Copyright (c) 2015 Valentin Heun
*
* All ascii characters above must be included in any redistribution.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, 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/.
*/
/*********************************************************************************************************************
******************************************** TODOS *******************************************************************
**********************************************************************************************************************
**
* TODO - Only allow upload backups and not any other data....
*
* something to remember: hexString = yourNumber.toString(16); and reverse the process with: yourNumber = parseInt(hexString, 16);
*
* TODO - check any collision with knownObjects -> Show collision with other object....
* TODO - Check if Targets are double somehwere. And iff Target has more than one target in the file...
*
* TODO - Check the socket connections
* TODO - stream of values for the user device
* TODO - Plugin Structure - check how good it works
* TODO - check if objectlinks are pointing to values that actually exist. - (happens in browser at the moment)
* TODO - Test self linking from internal to internal value (endless loop) - (happens in browser at the moment)
*
*
* TODO - mark object functional only if: if(thisId in objectExp && thisId.length>12)
**
**********************************************************************************************************************
******************************************** constant settings *******************************************************
**********************************************************************************************************************/
var globalVariables = {
clear: false, // stops or starts the system
developer: true, // show developer UI
debug: true // debug messages to console
};
// ports used to define the server behaviour
const serverPort = 8080;
const socketPort = serverPort; // server and socket port are always identical
const beatPort = 52316; // this is the port for UDP broadcasting so that the objects find each other.
const beatInterval = 3000; // how often is the heartbeat sent
const socketUpdateInterval = 2000; // how often the system checks if the socket connections are still up and running.
//origins
const objectPath = __dirname + "/objects"; // where all the objects are stored.
const modulePath = __dirname + "/dataPointInterfaces"; // all the visual UI interfaces are stored here.
const internalPath = __dirname + "/hardwareInterfaces"; // all the visual UI interfaces are stored here.
const objectInterfaceFolder = "/"; // the level on which the webservice is accessible
/**********************************************************************************************************************
******************************************** Requirements ************************************************************
**********************************************************************************************************************/
var _ = require('lodash');
var fs = require('fs'); // Filesystem library
var dgram = require('dgram'); // UDP Broadcasting library
var ip = require("ip"); // get the device IP address library
var bodyParser = require('body-parser');
var express = require('express');
var webServer = express();
var http = require('http').createServer(webServer).listen(serverPort, function () {
if (globalVariables.debug) console.log('webserver + socket.io is listening on port: ' + serverPort);
});
var io = require('socket.io')(http);
var socket = require('socket.io-client');
var cors = require('cors'); // Library for HTTP Cross-Origin-Resource-Sharing
var formidable = require('formidable'); // Multiple file upload library
//var xml2js = require('xml2js');
// additional required code
var HybridObjectsUtilities = require(__dirname + '/libraries/HybridObjectsUtilities');
var HybridObjectsWebFrontend = require(__dirname + '/libraries/HybridObjectsWebFrontend');
var templateModule = require(__dirname + '/libraries/templateModule');
// Set web frontend debug to inherit from global debug
HybridObjectsWebFrontend.debug = globalVariables.debug;
/**********************************************************************************************************************
******************************************** Constructors ************************************************************
**********************************************************************************************************************/
/**
* @desc Constructor for the the object
**/
function ObjectExp() {
this.objectId = null;
this.ip = ip.address();
this.version = "0.3.2";
this.rotation = 0;
this.x = 0;
this.y = 0;
this.scale = 1;
this.visible = false;
this.visibleText = false;
this.visibleEditing = false;
this.developer = false;
this.matrix3dMemory = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; // TODO use this to store UI interface for image later.
this.objectLinks = {}; // Array of ObjectLink()
this.objectValues = {}; // Array of ObjectValue()
}
/**
* @desc Constructor for each link
**/
function ObjectLink() {
this.ObjectA = null;
this.locationInA = 0;
this.typeA = "";
this.ObjectB = null;
this.locationInB = 0;
this.typeB = "";
this.countLinkExistance = 0; // todo use this to test if link is still valid. If not able to send for some while, kill link.
}
/**
* @desc Constructor for each object value
**/
function ObjectValue() {
this.name = "";
this.value = null;
this.mode = "f"; // this is for (f) floating point, (d) digital or (s) step and finally (m) media
this.rotation = 0;
this.x = 0;
this.y = 0;
this.scale = 1;
this.plugin = "default";
this.pluginParameter = null;
this.index = null;
this.type = "arduinoYun"; // todo "arduinoYun", "virtual", "edison", ... make sure to define yours in your internal_module file
}
/**
* @desc Constructor for the socket.io web sockets
**/
function ObjectSockets(socketPort, ip) {
this.ip = ip;
this.io = socket.connect('http://' + ip + ':' + socketPort, {
'connect timeout': 5000,
'reconnect': true,
'reconnection delay': 500,
'max reconnection attempts': 20,
'auto connect': true,
'transports': [
'websocket'
, 'flashsocket'
, 'htmlfile'
, 'xhr-multipart'
, 'xhr-polling'
, 'jsonp-polling']
});
}
/**********************************************************************************************************************
******************************************** Initialisations *********************************************************
**********************************************************************************************************************/
// Initializing the object tree
var objectExp = {};
var pluginModules = {}; // the pluginModule, that will hold all available plugins
var internalModules = {}; // the modules that will hold all internal connectors
var knownObjects = {}; // list of ids linked with ips of all objects found via udp heartbeats
var objectLookup = {}; // objectID lookup table
var socketArray = {}; // all socket connections that are kept alive
// counter for the socket connections
var sockets = {
sockets: 0,
connected: 0,
notConnected: 0,
socketsOld: 0,
connectedOld: 0,
notConnectedOld: 0
};
if (globalVariables.debug) console.log("got it started");
// get the directory names of all available plugins for the 3D-UI
var tempFiles = fs.readdirSync(modulePath).filter(function (file) {
return fs.statSync(modulePath + '/' + file).isDirectory();
});
// remove hidden directories
while (tempFiles[0][0] === ".") {
tempFiles.splice(0, 1);
}
// add all plugins to the pluginModules object.
for (var i = 0; i < tempFiles.length; i++) {
pluginModules[tempFiles[i]] = require(__dirname + "/dataPointInterfaces/" + tempFiles[i] + "/index.js").render;
}
var modulesList = ['base',
'documentation',
'header',
'home-object',
'home-object-add',
'interface',
'interface-rowitem',
'monitor',
'sidebar',
'target'];
templateModule.loadAllModules(modulesList, function () {
// start system
});
loadHybridObjects();
startSystem();
// add all modules for internal communication
// get the directory names of all available plugins for the 3D-UI
var tempFilesInternal = fs.readdirSync(internalPath).filter(function (file) {
return fs.statSync(internalPath + '/' + file).isDirectory();
});
// remove hidden directories
while (tempFilesInternal[0][0] === ".") {
tempFilesInternal.splice(0, 1);
}
// add all plugins to the pluginModules object.
for (var i = 0; i < tempFilesInternal.length; i++) {
internalModules[tempFilesInternal[i]] = require(internalPath + "/" + tempFilesInternal[i] + "/index.js");
}
/*
for (var i = 0; i < tempFilesInternal.length; i++) {
internalModules[tempFilesInternal[i]].debug(globalVariables.debug);
}*/
// starting the internal servers (receive)
for (var i = 0; i < tempFilesInternal.length; i++) {
internalModules[tempFilesInternal[i]].receive(objectExp, objectLookup, globalVariables, __dirname, pluginModules, function (objKey2, valueKey, objectExp, pluginModules) {
objectEngine(objKey2, valueKey, objectExp, pluginModules);
});
}
if (globalVariables.debug) console.log("found " + tempFilesInternal.length + " internal server");
if (globalVariables.debug) console.log("starting internal Server.");
/**
* Returns the file extension (portion after the last dot) of the given filename.
* If a file name starts with a dot, returns an empty string.
*
* @author VisioN @ StackOverflow
* @param {string} fileName - The name of the file, such as foo.zip
* @return {string} The lowercase extension of the file, such has "zip"
*/
function getFileExtension(fileName) {
return fileName.substr((~-fileName.lastIndexOf(".") >>> 0) + 2).toLowerCase();
}
/**
* @desc Add objects from the objects folder to the system
**/
function loadHybridObjects() {
// check for objects in the objects folder by reading the objects directory content.
// get all directory names within the objects directory
var tempFiles = fs.readdirSync(objectPath).filter(function (file) {
return fs.statSync(objectPath + '/' + file).isDirectory();
});
// remove hidden directories
try {
while (tempFiles[0][0] === ".") {
tempFiles.splice(0, 1);
}
} catch (e) {
if (globalVariables.debug) console.log("no hidden files");
}
for (var i = 0; i < tempFiles.length; i++) {
var tempFolderName = HybridObjectsUtilities.getObjectIdFromTarget(tempFiles[i], __dirname);
if (tempFolderName !== null) {
// fill objectExp with objects named by the folders in objects
objectExp[tempFolderName] = new ObjectExp();
objectExp[tempFolderName].folder = tempFiles[i];
// add object to object lookup table
HybridObjectsUtilities.writeObject(objectLookup, tempFiles[i], tempFolderName);
// try to read a saved previous state of the object
try {
objectExp[tempFolderName] = JSON.parse(fs.readFileSync(__dirname + "/objects/" + tempFiles[i] + "/object.json", "utf8"));
objectExp[tempFolderName].ip = ip.address();
// adding the values to the arduino lookup table so that the serial connection can take place.
// todo this is maybe obsolete.
for (var tempkey in objectExp[tempFolderName].objectValues) {
ArduinoLookupTable.push({obj: tempFiles[i], pos: tempkey});
}
// todo the sizes do not really save...
// todo new Data points are never writen in to the file. So this full code produces no value
// todo Instead keep the board clear=false forces to read the data points from the arduino every time.
// todo this is not true the datapoints are writen in to the object. the sizes are wrong
// if not uncommented the code does not connect to the arduino side.
// data comes always from the arduino....
// clear = true;
if (globalVariables.debug) {
console.log("I found objects that I want to add");
console.log("---");
console.log(ArduinoLookupTable);
console.log("---");
}
} catch (e) {
objectExp[tempFolderName].ip = ip.address();
objectExp[tempFolderName].objectId = tempFolderName;
if (globalVariables.debug) console.log("No saved data for: " + tempFolderName);
}
} else {
if (globalVariables.debug) console.log(" object " + tempFolderName + " has no marker yet");
}
}
for (var keyint in internalModules) {
internalModules[keyint].init();
}
}
/**********************************************************************************************************************
******************************************** Starting the System ******************************************************
**********************************************************************************************************************/
/**
* @desc starting the system
**/
function startSystem() {
// generating a udp heartbeat signal for every object that is hosted in this device
for (var key in objectExp) {
objectBeatSender(beatPort, key, objectExp[key].ip);
}
// receiving heartbeat messages and adding new objects to the knownObjects Array
objectBeatServer();
// serving the visual frontend with web content as well serving the REST API for add/remove links and changing
// object sizes and positions
objectWebServer();
// receives all socket connections and processes the data
socketServer();
// receives all serial calls and processes the data
// initializes the first sockets to be opened to other objects
socketUpdater();
// keeps sockets to other objects alive based on the links found in the local objects
// removes socket connections to objects that are no longer linked.
socketUpdaterInterval();
// blink the LED at the arduino board
}
/**********************************************************************************************************************
******************************************** Emitter/Client/Sender Objects *******************************************
**********************************************************************************************************************/
/**
* @desc Sends out a Heartbeat broadcast via UDP in the local network.
* @param {Number} PORT The port where to start the Beat
* @param {string} thisId The name of the Object
* @param {string} thisIp The IP of the Object
* @param {boolean} oneTimeOnly if true the beat will only be sent once.
**/
function objectBeatSender(PORT, thisId, thisIp, oneTimeOnly) {
if (_.isUndefined(oneTimeOnly)) {
oneTimeOnly = false;
}
var HOST = '255.255.255.255';
// json string to be send
var message = new Buffer(JSON.stringify({id: thisId, ip: thisIp}));
if (globalVariables.debug) console.log("UDP broadcasting on port: " + PORT);
if (globalVariables.debug) console.log("Sending beats... Content: " + JSON.stringify({id: thisId, ip: thisIp}));
// creating the datagram
var client = dgram.createSocket('udp4');
client.bind(function () {
client.setBroadcast(true);
client.setTTL(2);
client.setMulticastTTL(2);
});
if (!oneTimeOnly) {
setInterval(function () {
// send the beat#
// if(thisId in objectLookup)
//console.log(JSON.stringify(thisId));
// console.log(JSON.stringify( objectExp));
if (thisId in objectExp && thisId.length > 12) {
// if (globalVariables.debug) console.log("Sending beats... Content: " + JSON.stringify({id: thisId, ip: thisIp}));
// this is an ugly hack to sync each object with being a developer object
objectExp[thisId].developer = globalVariables.developer;
client.send(message, 0, message.length, PORT, HOST, function (err) {
if (err) {
console.log("error ");
throw err;
}
// client is not being closed, as the beat is send ongoing
});
}
}, beatInterval + _.random(-250, 250));
}
else {
// Single-shot, one-time heartbeat
// delay the signal with timeout so that not all objects send the beat in the same time.
setTimeout(function () {
// send the beat
if (thisId in objectExp) {
client.send(message, 0, message.length, PORT, HOST, function (err) {
if (err) throw err;
// close the socket as the function is only called once.
client.close();
});
}
}, _.random(1, 250));
}
}
/**
* @desc sends out an action json object via udp. Actions are used to cause actions in all objects and devices within the network.
* @param {Object} action string of the action to be send to the system. this can be a jason object
**/
function actionSender(action) {
var HOST = '255.255.255.255';
var message;
message = new Buffer(JSON.stringify({action: action}));
// creating the datagram
var client = dgram.createSocket('udp4');
client.bind(function () {
client.setBroadcast(true);
client.setTTL(64);
client.setMulticastTTL(64);
});
// send the datagram
client.send(message, 0, message.length, beatPort, HOST, function (err) {
if (err) {
throw err;
}
client.close();
});
}
/**********************************************************************************************************************
******************************************** Server Objects **********************************************************
**********************************************************************************************************************/
/**
* @desc Receives a Heartbeat broadcast via UDP in the local network and updates the knownObjects Array in case of a
* new object
* @note if action "ping" is received, the object calls a heartbeat that is send one time.
**/
function objectBeatServer() {
// creating the udp server
var udpServer = dgram.createSocket("udp4");
udpServer.on("error", function (err) {
console.log("server error:\n" + err);
udpServer.close();
});
udpServer.on("message", function (msg) {
var msgContent;
// check if object ping
// if (globalVariables.debug) console.log("I found new Objects: " + msg);
msgContent = JSON.parse(msg);
if (msgContent.hasOwnProperty("id") && msgContent.hasOwnProperty("ip") && !(msgContent.id in objectExp) && !(msgContent.id in knownObjects)) {
knownObjects[msgContent.id] = msgContent.ip;
if (globalVariables.debug) console.log("I found new Objects: " + JSON.stringify({
id: msgContent.id,
ip: msgContent.ip
}));
if (globalVariables.debug) console.log("knownObjectfound:" + knownObjects + "this message: ");
}
// check if action 'ping'
if (msgContent.action === "ping") {
if (globalVariables.debug) console.log(msgContent.action);
for (var key in objectExp) {
objectBeatSender(beatPort, key, objectExp[key].ip, true);
}
}
});
udpServer.on("listening", function () {
var address = udpServer.address();
if (globalVariables.debug) console.log("UDP listening on port: " + address.port);
});
// bind the udp server to the udp beatPort
udpServer.bind(beatPort);
}
/**
* @desc A static Server that serves the user, handles the links and
* additional provides active modification for objectDefinition.
**/
function objectWebServer() {
// define the body parser
webServer.use(bodyParser.urlencoded({
extended: true
}));
webServer.use(bodyParser.json());
// devine a couple of static directory routs
webServer.use("/obj", express.static(__dirname + '/objects/'));
if (globalVariables.developer === true) {
webServer.use("/public", express.static(__dirname + '/libraries/webInterface/'));
webServer.use(express.static(__dirname + '/libraries/webInterface/'));
}
// use the cors cross origin REST model
webServer.use(cors());
// allow requests from all origins with '*'. TODO make it dependent on the local network. this is important for security
webServer.options('*', cors());
// adding a new link to an object. *1 is the object *2 is the link id
// ****************************************************************************************************************
webServer.post('/object/*/link/*/', function (req, res) {
// if(globalVariables.debug) console.log("post 1");
var updateStatus = "nothing happened";
if (objectExp.hasOwnProperty(req.params[0])) {
objectExp[req.params[0]].objectLinks[req.params[1]] = req.body;
// call an action that asks all devices to reload their links, once the links are changed.
actionSender(JSON.stringify({reloadLink: {id: req.params[0], ip: objectExp[req.params[0]].ip}}));
updateStatus = "added";
// check if there are new connections associated with the new link.
socketUpdater();
// write the object state to the permanent storage.
HybridObjectsUtilities.writeObjectToFile(objectExp, req.params[0], __dirname);
res.send(updateStatus);
}
});
// changing the size and possition of an item. *1 is the object *2 is the datapoint id
// ****************************************************************************************************************
webServer.post('/object/*/size/*/', function (req, res) {
// if(globalVariables.debug) console.log("post 2");
var updateStatus = "nothing happened";
var thisObject = req.params[0];
var thisValue = req.params[1];
// check that the numbers are valid numbers..
if (typeof req.body.x === "number" && typeof req.body.y === "number" && typeof req.body.scale === "number") {
// if the object is equal the datapoint id, the item is actually the object it self.
if (thisObject === thisValue) {
objectExp[thisObject].x = req.body.x;
objectExp[thisObject].y = req.body.y;
objectExp[thisObject].scale = req.body.scale;
}
else {
objectExp[thisObject].objectValues[thisValue].x = req.body.x;
objectExp[thisObject].objectValues[thisValue].y = req.body.y;
objectExp[thisObject].objectValues[thisValue].scale = req.body.scale;
}
// console.log(req.body);
// ask the devices to reload the objects
actionSender(JSON.stringify({reloadObject: {id: thisObject, ip: objectExp[thisObject].ip}}));
updateStatus = "added";
// write the object state to the permanent storage.
HybridObjectsUtilities.writeObjectToFile(objectExp, req.params[0], __dirname);
}
res.send(updateStatus);
});
// delete a link. *1 is the object *2 is the link id
// ****************************************************************************************************************
webServer.delete('/object/*/link/*/', function (req, res) {
if (globalVariables.debug) console.log("delete 1");
if (globalVariables.debug) console.log("i got a delete message");
var thisLinkId = req.params[1];
var fullEntry = objectExp[req.params[0]].objectLinks[thisLinkId];
var destinationIp = knownObjects[fullEntry.ObjectB];
delete objectExp[req.params[0]].objectLinks[thisLinkId];
if (globalVariables.debug) console.log(objectExp[req.params[0]].objectLinks);
actionSender(JSON.stringify({reloadLink: {id: req.params[0], ip: objectExp[req.params[0]].ip}}));
HybridObjectsUtilities.writeObjectToFile(objectExp, req.params[0], __dirname);
res.send("deleted: " + thisLinkId + " in object: " + req.params[0]);
var checkIfIpIsUsed = false;
var checkerKey, subCheckerKey;
for (checkerKey in objectExp) {
for (subCheckerKey in objectExp[checkerKey].objectLinks) {
if (objectExp[checkerKey].objectLinks[subCheckerKey].ObjectB === fullEntry.ObjectB) {
checkIfIpIsUsed = true;
}
}
}
if (fullEntry.ObjectB !== fullEntry.ObjectA && !checkIfIpIsUsed) {
// socketArray.splice(destinationIp, 1);
delete socketArray[destinationIp];
}
});
// request a link. *1 is the object *2 is the link id
// ****************************************************************************************************************
webServer.get('/object/*/link/:id', function (req, res) {
// if(globalVariables.debug) console.log("get 1");
res.send(objectExp[req.params[0]].objectLinks[req.params.id]);
});
// request all link. *1 is the object
// ****************************************************************************************************************
webServer.get('/object/*/link', function (req, res) {
// if(globalVariables.debug) console.log("get 2");
res.send(objectExp[req.params[0]].objectLinks);
});
// request a zip-file with the object stored inside. *1 is the object
// ****************************************************************************************************************
webServer.get('/object/*/zipBackup/', function (req, res) {
// if(globalVariables.debug) console.log("get 3");
res.writeHead(200, {
'Content-Type': 'application/zip',
'Content-disposition': 'attachment; filename=HybridObjectBackup.zip'
});
var Archiver = require('archiver');
var zip = Archiver('zip', false);
zip.pipe(res);
zip.directory(__dirname + "/objects/" + req.params[0], req.params[0] + "/");
zip.finalize();
});
// Send the programming interface static web content
// ****************************************************************************************************************
webServer.get('/obj/dataPointInterfaces/*/*/', function (req, res) { // watch out that you need to make a "/" behind request.
res.sendFile(__dirname + "/dataPointInterfaces/" + req.params[0] + '/www/' + req.params[1]);
});
// general overview of all the hybrid objects - html response
// ****************************************************************************************************************
webServer.get('/object/*/html', function (req, res) {
var msg = [];
var hoVals, hoLinks, subKey;
var objectName = req.params[0];
var hybridObject = objectExp[objectName];
msg.push("<html><head><meta http-equiv='refresh' content='3.3' /><title>", objectName, "</title></head>\n<body>\n");
msg.push("<table border='0' cellpadding='10'>\n<tr>\n<td align='left' valign='top'>\n");
msg.push("Values for ", objectName, ":<br>\n\n<table border='1'>\n<tr><td>ID</td><td>Value</td></tr>\n");
if (!_.isUndefined(hybridObject)) {
hoVals = hybridObject.objectValues;
for (subKey in hoVals) {
msg.push("<tr><td>", subKey, "</td><td>", hoVals[subKey].value, "</td></tr>\n");
}
}
msg.push("</table>\n</td>\n<td align='left' valign='top'>\n\n");
msg.push("Links:<br>\n\n<table border='1'>\n<tr><td>ID</td><td>ObjectA</td><td>locationInA</td><td>ObjectB</td><td>locationInB</td></tr>\n");
if (!_.isUndefined(hybridObject)) {
hoLinks = hybridObject.objectLinks;
for (subKey in hoLinks) {
msg.push(" <tr><td>", subKey, "</td><td>", hoLinks[subKey].ObjectA, "</td><td>", hoLinks[subKey].locationInA, "</td>");
msg.push("<td>", hoLinks[subKey].ObjectB, "</td><td>", hoLinks[subKey].locationInB, "</td></tr>\n");
}
}
msg.push("</table>\n</td></tr>\n</table>\n");
msg.push("<table border='0' cellpadding='10'>\n<tr><td align='left' valign='top'>\n");
msg.push("Interface:<br>\n\n<table border='1'>\n");
for (subKey in hybridObject) {
msg.push(" <tr><td>", subKey, "</td><td>", hybridObject[subKey], "</td></tr>\n");
}
msg.push("</table>\n</td>\n<td align='left' valign='top'>");
msg.push("Known Objects:<br>\n\n<table border='1'>\n");
for (subKey in knownObjects) {
msg.push(" <tr><td>", subKey, "</td><td>", knownObjects[subKey], "</td></tr>\n");
}
msg.push("</table>\n</td><td align='left' valign='top'>");
socketIndicator();
msg.push("Socket Activity:<br>\n<table border='1'>\n");
for (subKey in sockets) {
if (subKey !== "socketsOld" && subKey !== "connectedOld" && subKey !== "notConnectedOld")
msg.push(" <tr><td>", subKey, "</td><td>", sockets[subKey], "</td></tr>\n");
}
msg.push("</table>\n</td></tr>\n</table>\n");
msg.push("</body></html>");
res.send(msg.join(""));
});
// sends json object for a specific hybrid object. * is the object name
// ****************************************************************************************************************
webServer.get('/object/*/', function (req, res) {
// if(globalVariables.debug) console.log("get 7");
res.json(objectExp[req.params[0]]);
});
webServer.get('/object/*/thisObject', function (req, res) {
// if(globalVariables.debug) console.log("get 8");
res.json(objectExp[req.params[0]]);
});
// sends all json object values for a specific hybrid object. * is the object name
// ****************************************************************************************************************
webServer.get('/object/*/value', function (req, res) {
// if(globalVariables.debug) console.log("get 9");
res.json(objectExp[req.params[0]].objectValues);
});
// sends a specific value for a specific hybrid object. * is the object name :id is the value name
// ****************************************************************************************************************
webServer.get('/object/*/value/:id', function (req, res) {
// if(globalVariables.debug) console.log("get 10");
res.send({value: objectExp[req.params[0]].objectValues[req.params.id].value});
});
// sends a specific json object value for a specific hybrid object. * is the object name :id is the value name
// ****************************************************************************************************************
webServer.get('/object/*/value/full/:id', function (req, res) {
// if(globalVariables.debug) console.log("get 11");
res.json(objectExp[req.params[0]].objectValues[req.params.id]);
});
// ****************************************************************************************************************
// frontend interface
// ****************************************************************************************************************
if (globalVariables.developer === true) {
// sends the info page for the object :id
// ****************************************************************************************************************
webServer.get(objectInterfaceFolder + 'info/:id', function (req, res) {
// if(globalVariables.debug) console.log("get 12");
res.send(HybridObjectsWebFrontend.uploadInfoText(req.params.id, objectLookup, objectExp, knownObjects, io, sockets));
});
// sends the content page for the object :id
// ****************************************************************************************************************
webServer.get(objectInterfaceFolder + 'content/:id', function (req, res) {
// if(globalVariables.debug) console.log("get 13");
res.send(HybridObjectsWebFrontend.uploadTargetContent(req.params.id, __dirname, objectInterfaceFolder));
});
// sends the target page for the object :id
// ****************************************************************************************************************
webServer.get(objectInterfaceFolder + 'target/:id', function (req, res) {
// if(globalVariables.debug) console.log("get 14");
res.send(HybridObjectsWebFrontend.uploadTargetText(req.params.id, objectLookup, objectExp, globalVariables.debug));
// res.sendFile(__dirname + '/'+ "index2.html");
});
webServer.get(objectInterfaceFolder + 'target/*/*/', function (req, res) {
// if(globalVariables.debug) console.log("get 15");
res.sendFile(__dirname + '/' + req.params[0] + '/' + req.params[1]);
});
// sends the object folder?? //todo what is this for?
// ****************************************************************************************************************
webServer.get(objectInterfaceFolder, function (req, res) {
// if(globalVariables.debug) console.log("get 16");
res.send(HybridObjectsWebFrontend.printFolder(objectExp, __dirname, globalVariables.debug, objectInterfaceFolder, objectLookup));
});
// ****************************************************************************************************************
// post interfaces
// ****************************************************************************************************************
webServer.post(objectInterfaceFolder + "contentDelete/:id", function (req, res) {
// if(globalVariables.debug) console.log("post 21");
if (req.body.action === "delete") {
var folderDel = __dirname + '/objects/' + req.body.folder;
if (fs.lstatSync(folderDel).isDirectory()) {
var deleteFolderRecursive = function (folderDel) {
if (fs.existsSync(folderDel)) {
fs.readdirSync(folderDel).forEach(function (file, index) {
var curPath = folderDel + "/" + file;
if (fs.lstatSync(curPath).isDirectory()) { // recurse
deleteFolderRecursive(curPath);
} else { // delete file
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(folderDel);
}
};
deleteFolderRecursive(folderDel);
}
else {
fs.unlinkSync(folderDel);
}
res.send(HybridObjectsWebFrontend.uploadTargetContent(req.params.id, __dirname, objectInterfaceFolder));
}
});
//*****************************************************************************************
webServer.post(objectInterfaceFolder, function (req, res) {
// if(globalVariables.debug) console.log("post 22");
if (req.body.action === "new") {
// console.log(req.body);
if (req.body.folder !== "") {
HybridObjectsUtilities.createFolder(req.body.folder, __dirname, globalVariables.debug);
}
res.send(HybridObjectsWebFrontend.printFolder(objectExp, __dirname, globalVariables.debug, objectInterfaceFolder, objectLookup));
}
if (req.body.action === "delete") {
var folderDel = __dirname + '/objects/' + req.body.folder;
var deleteFolderRecursive = function (folderDel) {
if (fs.existsSync(folderDel)) {
fs.readdirSync(folderDel).forEach(function (file, index) {
var curPath = folderDel + "/" + file;
if (fs.lstatSync(curPath).isDirectory()) { // recurse
deleteFolderRecursive(curPath);
} else { // delete file
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(folderDel);
}
};
deleteFolderRecursive(folderDel);
var tempFolderName2 = HybridObjectsUtilities.readObject(objectLookup, req.body.folder);// req.body.folder + thisMacAddress;
if (tempFolderName2 !== null) {
if (tempFolderName2 in objectExp) {
if (globalVariables.debug) console.log("ist noch da");
} else {
if (globalVariables.debug) console.log("ist weg");
}
if (tempFolderName2 in knownObjects) {
if (globalVariables.debug) console.log("ist noch da");
} else {
if (globalVariables.debug) console.log("ist weg");
}
// remove object from tree
delete objectExp[tempFolderName2];
delete knownObjects[tempFolderName2];
delete objectLookup[req.body.folder];
if (tempFolderName2 in objectExp) {
if (globalVariables.debug) console.log("ist noch da");
} else {
if (globalVariables.debug) console.log("ist weg");
}
if (tempFolderName2 in knownObjects) {
if (globalVariables.debug) console.log("ist noch da");
} else {
if (globalVariables.debug) console.log("ist weg");
}
}
if (globalVariables.debug) console.log("i deleted: " + tempFolderName2);
res.send(HybridObjectsWebFrontend.printFolder(objectExp, __dirname, globalVariables.debug, objectInterfaceFolder, objectLookup));
}
});
var tmpFolderFile = "";
// this is all used just for the backup folder
//*************************************************************************************
webServer.post(objectInterfaceFolder + 'backup/',
function (req, res) {
// if(globalVariables.debug) console.log("post 23");
if (globalVariables.debug)console.log("komm ich hier hin?");
var form = new formidable.IncomingForm({
uploadDir: __dirname + '/objects', // don't forget the __dirname here
keepExtensions: true
});
var filename = "";
form.on('error', function (err) {
throw err;
});
form.on('fileBegin', function (name, file) {
filename = file.name;
//rename the incoming file to the file's name
file.path = form.uploadDir + "/" + file.name;
});
form.parse(req, function (err, fields, files) {
var old_path = files.file.path,
file_size = files.file.size;
});
form.on('end', function () {
var folderD = form.uploadDir;
if (globalVariables.debug) console.log("------------" + form.uploadDir + " " + filename);
if (getFileExtension(filename) === "zip") {