Hey guys I have a problem with node and I hope you can help me.
So the problem is that i have 9 network devices that are all listening on
the same port lets call it X these device all connect to the node JS server
and sending strings to the server. Now my problem is that between the 9
devices and the nodeserver is a router that shall map the connections with
different ports. I dont know much router and networking but what i know is
that the router maps 9 different ports to X our port that the devices are
using. Now i need node to write over the tcp protocoll via this matched
ports to communicate with the devices. How can i do it. When i have these 9
clients connected to my server they all have different remotePorts and
furthermore not the ones i would like them to have.
Is there any possibility to change the ports or to define them? Because I
am not allowed to make all ports accessable.
Heres my sample code for a little server that connects n clients:
function server(port){
this.port = port;
this.clients = new Array();
this.web;
}
server.prototype.listen = function(){
this.connection = require('net').createServer();
this.connection.listen(this.port, (function(){
console.log('server listening on ' + this.port);
}).bind(this));
return this.connection.on('connection', this.addClient.bind(this));
};
server.prototype.addClient = function(socket){
this.clients.push(new client(socket, this));
};
function client(socket, server){
this.socket = socket;
this.server = server;
this.ip = socket.remoteAddress;
this.port = socket.remotePort;
this.socket.on('connect', (function(){
console.log('client:\nremoteAddress: ' + this.ip + '\nremotePort: ' +
this.port);
}).bind(this));
}
tcp = new server(2222);
tcp.listen();
Here is also a small sketch that i made:
<https://lh3.googleusercontent.com/-jdoqFo0RIz4/UOgN9HcCVAI/AAAAAAAAAAU/QbYT4ylYvMU/s1600/node+problem.png>
I hope this helps
And Thank you
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