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[lcdproc] Idea for driver handling...

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  • From: madmatt AT (Matt)
  • Subject: [lcdproc] Idea for driver handling...
  • Date: Fri, 8 Sep 2000 22:21:43 +0100 (BST)

Ken Robertson wrote:

| Here is an idea I had been talking with Will about on IRC. I think it
would be
| a good idea to have the input and output drivers act as modules, rather than
| all in a library. It work sort of like the kernel handles libraries, except
| they are only loaded at runtime.

--8<----8<-- SNIP

| The types of modules I'd suggest would be output and input of course, and
| client modules. Like if someone wants to add a function to LCDd, when an
| outside client connects, it would send a command to the server allowing it
| be turned over to a module. Then when LCDd recieves socket info from it, it
| will get turned over to the module. Like, I've wanted to do a remote LCD
| feature, where say LCDd is running at home, and I want my LCD at work to
| the screen from home. Make a client module that will instead of recieving
| widgets, will trasnmit widgets to a specified connection.

This was my suggestion from the very start, and how I'm attempting to
implement them atm :)

They're implemented as libraries, but not linked directly into the server
code, the server loads them at run-time using the dlopen calls.

For your suggestion, why not create an output driver that instead of
sending info to an lcd display, send it over a network connection?
You could then implement an input driver that reads from it...

Of course, as soon as you start doing network stuff, we get into the
security problems again...


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