Network Virtual Terminal

[Rodolfo Giometti]

Hello,

here my implementation of Network Virtual terminals (NVT tty)
according to RFC 854 and RFC 2217... actually this is the client side
part since as remote server I used sredird
(http://freshmeat.net/projects/sredird/).

I tested the code under the following configuration:

        ------------------+
             +---------+  |
             | minicom |  |
             +---------+  |
                  |       | local PC with no
                  v       | serial ports
             /dev/nvtty0  |
                  |       |
        ------------------+
                  |
                  v
             /\/\/\/\/\
            | network |
             \/\/\/\/\/
                  |
        ------------------+
                  |       |
                  v       |
             +---------+  |
             | sredird |  |
             +---------+  | remote PC with
                  |       | serial ports
                  v       |
             /dev/ttyS0   |
                  |       |
	------------------+
                  |
                  v
         embedded PC with
         a serial console

however it could work on a different schema I suppose.

By using minicom I can setup the serial settings of the /dev/ttyS0
device through the /dev/nvtty0 virtual device, then the communication
with the embedded PC can start as if it was directly connected with my
local machine.

Ciao,

Rodolfo



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