On Fri, Dec 20, 2013 at 11:23 AM, Joseph Spenner joseph85750@yahoo.com wrote:
Do you need a real serial port involved at all? It sounds like what
you really want is a linux device that looks like a tty in terms of accepting ioctl's from a program that thinks it is a serial port, but actually accepts a tcp connection. I suppose you could rig a loopback cable and actually have a separate program writing to the serial port with the loopback returning it to your listening application.
Les: Actually, no-- I do not really need a physical "port". It could all be virtual.
What does the actual application do? If it is just collecting/logging data - or even something slightly more complicated you might be able to replace it with kermit (ckermit package in EPEL) which can work the same way on serial or tcp connections.
But, I think socat will do what you need if you can make it connect a PTY (perhaps with optional symlink name) with a TCP4-LISTEN, and have your application open the pty.