Dimitrios Chr. Ioannidis wrote:
Hi all,
at work, i have a project which needs very limited UPnP
capabilities. All it needs, is to open a port and do a port forwarding
for a limited period of time closing it afterwards. Nowdays almost
every Residential Gateway(Router) / ( Customer Premises Equipment )
support that via uPnP.
I searched, if a portable ( i need it for windows, linux, ios and
android ) component exists for free pascal and i didn't find anything.
As i think that the UPnP functionality is very useful for various
purposes, i decided to write a full implementation of UPnP for free
pascal. But before i start, does anyone know any previous components /
libraries that i didn't find so i don't do duplicate work ?
regards,
I have searched for it in the past and found this:
http://www.whitebear.ch
I have not actually used it though. Don't remember why, probably because
it does not compile without any extra work on my Delphi 5 or I did not
understand the source code and how to use it.
You can start with this one. Please let us know your findings.
In the worst case and that did not work, you might try to use udp to do
the upnp yourself for just that small portion of the protocol.
I would:
1) run winshark on the pc to monitor the udp traffic between the PC and
the router,
2) launch skype or BitTorrent client and monitor what udp packets it
exchanges with the router
3) go to the router browser page to see the upnp entries it set up after
those packets were received by the router.
I sometimes think this reverse engineering is easier than reading the
complex protocol which covers a lot of areas not related to my goal.
Good Luck.
Dennis
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