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/* $Id: plugin_exec.c,v 1.1 2004/03/20 11:49:40 reinelt Exp $
*
* plugin for external processes
*
* Copyright 2004 Michael Reinelt <reinelt@eunet.at>
* Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* based on the old 'exec' client which is
* Copyright 2001 Leopold T�tsch <lt@toetsch.at>
*
*
* This file is part of LCD4Linux.
*
* LCD4Linux is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* LCD4Linux is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* $Log: plugin_exec.c,v $
* Revision 1.1 2004/03/20 11:49:40 reinelt
* forgot to add plugin_exec.c ...
*
*/
/*
* exported functions:
*
* int plugin_init_exec (void)
* adds functions to start external pocesses
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
// #include <string.h>
// #include <ctype.h>
// #include <errno.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include "debug.h"
#include "plugin.h"
#include "hash.h"
#include "cfg.h"
#include "thread.h"
static HASH EXEC = { 0, };
static int fatal = 0;
static int do_exec (void)
{
int age;
// if a fatal error occured, do nothing
if (fatal != 0) return -1;
// reread every 100 msec only
age=hash_age(&EXEC, NULL, NULL);
if (age>0 && age<=100) return 0;
return 0;
}
static void my_junk (char *name)
{
int i;
debug ("junk thread starting!");
for (i=0; i<10; i++) {
debug ("junk look %d", i);
sleep (1);
}
debug ("junk thread done!");
}
static void my_exec (RESULT *result, int argc, RESULT *argv[])
{
char *key, *val;
if (do_exec()<0) {
SetResult(&result, R_STRING, "");
return;
}
// key=R2S(arg1);
val=hash_get(&EXEC, key);
if (val==NULL) val="";
SetResult(&result, R_STRING, val);
}
int plugin_init_exec (void)
{
int junk;
AddFunction ("exec", -1, my_exec);
// junk=thread_create ("Junk", my_junk);
// debug ("junk=%d", junk);
return 0;
}
void plugin_exit_exec(void)
{
hash_destroy(&EXEC);
}
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