iframe-proxy | Sunbelt Computer Software

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//file used to load other routes

'use strict';

(require('rootpath')());

var express = require('express');

var app = module.exports = express();

var http = require('http');

var configs = require('config/configs');

configs.configure(app);

//configure endpoints:

require('routes/api')(app);

require('routes/index')(app);

var errorHandler = require('controllers/errorhandler').errorHandler;

app.use(errorHandler);

var server = http.createServer(app);

var io = require('socket.io')(server);

var DELIM = '~';

var PDELIM = ',';

protocol:

points as list of x,y

E - erase all

e - points list (might be slow)

P - list of points as P~x1,y1,x2,y2

var points = [];

function relayBoardInfo(line) {

var data = line.split(DELIM);

var msgType = data.shift();

if (msgType === 'E') {

io.sockets.emit('eraseAll');

points = [];

} else if (msgType === 'P') {

if (data[0]) {

data = data[0].split(PDELIM);

} else {

return;

}

data = data.map(function(elem) {

return parseFloat(elem);

});

io.sockets.emit('draw', {data: data});

points.push(data);

} else {

console.log('Invalid line: ', line);

}

app.post('/chalkboard', function(req, res, next) {

if (req.query.id !== 'string2string') {

return res.sendStatus(401);

}

relayBoardInfo(req.query.query);

res.sendStatus(200);

});

io.sockets.on('connection', function(socket) {

socket.on('init', function() {

socket.emit('init', {data: points});

});

console.log('listening on port ' + configs.settings.port);

server.listen(configs.settings.port);

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