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node.js and socket.io help

Posted on 2016-08-08
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Medium Priority
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Last Modified: 2016-08-08
I'm trying to figure out how to pass custom variables from the one script to the other.

So my script that users hit:
<html>
<body>
<h1>Simple Page</h1>
<script src="https://cdn.socket.io/socket.io-1.4.5.js"></script>
<script>
    var socket = io.connect('http://node.domain.com:8000', {orgID:'abc'});
    socket.on('connect', function () {

      socket.send(window.location);
    });
</script>
</body>
</html>

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You will see I'm trying to pass a custom orgID.  Not sure if this is correct.

Then my server.js looks like this, how do I set it into a variable there? Right now it just shows undefined for it in console.

var io = require('socket.io').listen(8000);
var mysql      = require('mysql');
var con = mysql.createConnection({
    host     : 'localhost',
    user     : 'user',
    password : 'asdf_user',
    database : 'asdf_dev'
});

con.connect(function(err){
    if(err){
        console.log('Error connecting to Db');
        return;
    }
    console.log('Connection established');
});

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

    socket.on('message', function (message) {
        console.log("Got message: " + message);
        console.log(socket.handshake.orgID);
        var ip = socket.handshake.address;
        url = message;
        //io.sockets.emit('pageview', { 'url': message, 'ip': ip });
        io.sockets.emit('pageview', { 'url': url, 'timestamp': new Date(), 'ip': ip});


        var post  = {pageName: url.pathname, ip: ip};
        con.query('INSERT INTO analytics SET ?', post, function(err, res) {
            if(err) throw err;
        });
    });
});

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Comment
Question by:Nathan Riley
1 Comment
 
LVL 9

Accepted Solution

by:
James Bilous earned 2000 total points
ID: 41747988
Sending:

    var socket = io.connect('http://node.domain.com:8000', {payload:"orgID=abc"});
    socket.on('connect', function () {

      socket.send(window.location);
    });

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Receiving:

io.sockets.on('connection', function (socket) {
   var orgId = socket.request._payload['orgID'];
});

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