Hi all network fellows,
I'm in process of doing some modem/serial sharing programs; by that I
mean: on the computer with the modem(s) phisically attached the server
part will run and will provide access sharing and character
communication over TCP/IP, on the client side I want to create a device
like /dev/vmodem0 where the virtual modem could be "mounted" by the
meaning of a user space utility called let's say modemmount ( ohter
ideas wellcome :) and used like the usual /dev/modem or /dev/ttySx. This
is needed for a data concentrator where on site there are a lot of
equippments with serial outputs and only a Ethernet line, but I see the
utility of such a project even for little networks where you need
sometime a modem to fax something or to test a dial-up connexion, etc.
The code will be GPL. Now the questions:
- Is somewhere some similar project on development? Pointers much
wellcomed, because I vaguely remember about something like that but the
links I found are long dead :(.
- How to nummber my new dev, is some kind of authority/responsable that
assignes numbers (major, minor) for new devices, it is better to have
the same numbering like /dev/ttySx. Please some one elighten me on
personal mail, RTFMs VERY much wellcomed.
- At last for those experienced in client/server designing what do you
recommend me to use as protocol: TCP or UDP?
- Is there some GPL/LGPL development library C/C++ targeted for this
kind of client/server job that you use, trust and reccomend.
Mircea C.
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