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/* This is part of um-ViewOS
* The user-mode implementation of OSVIEW -- A Process with a View
*
*
*
* Copyright 2005 Renzo Davoli University of Bologna - Italy
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* This program 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* $Id: testmodule.c 1003 2011-09-06 10:32:34Z rd235 $
*
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <config.h>
#include "module.h"
#include "gdebug.h"
static struct service s;
VIEWOS_SERVICE(s)
static long addproc(int id, int ppid, int max)
{
fprintf(stderr, "testmodule add proc %d %d %d\n", id, ppid, max);
GDEBUG(3, "new process id %d pid %d max %d",id,um_mod_getpid(),max);
return 0;
}
static long delproc(int id)
{
fprintf(stderr, "testmodule del proc %d\n", id);
GDEBUG(3, "terminated process id %d pid %d",id,um_mod_getpid());
return 0;
}
static long addmodule(char *sender)
{
fprintf(stderr, "testmodule add module %s\n", sender);
GDEBUG(3, "new module loaded. %s", sender);
return 0;
}
static long delmodule(char *sender)
{
fprintf(stderr, "testmodule del module %s\n", sender);
GDEBUG(3, "module %s removed", sender);
return 0;
}
static long ctl(int type, char *sender, va_list ap)
{
int id, ppid, max;
char* arg;
if (type & MC_USER)
{
GDEBUG(3, "received user ctl. sender sercode: 0x%02x, ctl: %d\n",
MC_USERCTL_SERCODE(type), MC_USERCTL_CTL(type));
switch (MC_USERCTL_CTL(type))
{
case 42:
arg = va_arg(ap, char*);
printk(KERN_NOTICE "service %s is managing open(\"%s\", ...)",
sender, arg);
return 0;
default:
return -1;
}
}
else
switch(type)
{
case MC_PROC | MC_ADD:
id = va_arg(ap, int);
ppid = va_arg(ap, int);
max = va_arg(ap, int);
return addproc(id, ppid, max);
case MC_PROC | MC_REM:
id = va_arg(ap, int);
return delproc(id);
case MC_MODULE | MC_ADD:
return addmodule(sender);
case MC_MODULE | MC_REM:
return delmodule(sender);
default:
return -1;
}
}
static void
__attribute__ ((constructor))
init (void)
{
printk(KERN_NOTICE "testmodule init\n");
s.name="test";
s.description="Test Module";
s.syscall=(sysfun *)calloc(scmap_scmapsize,sizeof(sysfun));
s.socket=(sysfun *)calloc(scmap_sockmapsize,sizeof(sysfun));
s.ctl = ctl;
MCH_ZERO(&s.ctlhs);
MCH_SET(MC_PROC, &s.ctlhs);
MCH_SET(MC_MODULE, &s.ctlhs);
}
static void
__attribute__ ((destructor))
fini (void)
{
free(s.syscall);
free(s.socket);
printk(KERN_NOTICE "testmodule fini\n");
}
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