Re: Listen to network traffic
Re: Listen to network traffic
- Subject: Re: Listen to network traffic
- From: Marcus Karlsson <email@hidden>
- Date: Thu, 31 May 2007 08:18:01 +0200
On 30 maj 2007, at 23.52, glenn andreas wrote:
On May 30, 2007, at 4:32 PM, Marcus Karlsson wrote:
Hi.
I have an idea I want to ask about.
Let's say we have a network with a couple of computers attached to
it. One of the computers is running an application that we want to
remotely control from the other computers, but we don't know which
computer that we want to control. All we know is that they are on
the same network.
My idea is that the application will listen to all data
transmitted on the network, maybe only on a specific port. If we
want to give the application a command, we will broadcast a packet
onto the network with a specific data sequence that the
application will recognize. Depending on what message the packet
contained, the application will do a specific task.
Do you have any suggestions about how I might do this? Is it
possible to use Cocoa and what classes do you think would be in
interest?
Sounds like a good place to use Bonjour. Your application you want
to control registers itself, and the controlling app just looks for
that service and connects to it (at which point you can easily then
use Distributed Objects to manage controlling the other application).
See NSNetService and friends.
Thank you. That would probably be easier and less painful, but I
don't know if the other computers will support Bonjour, or even be
ordinary personal computers at all. If I'm correct they would also
need to use Bonjour, right?
Marcus
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