/* $Id$ */

/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the Gnome Top Library.
   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.

   The Gnome Top Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The Gnome Top Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <glibtop.h>
#include <glibtop/gnuserv.h>

#include <glibtop/open.h>
#include <glibtop/union.h>

#include <glibtop/command.h>
#include <glibtop/parameter.h>

#define _offset_union(p)	((char *) &resp->u.p - (char *) resp)
#define _offset_data(p)		_offset_union (data.p)

void
handle_slave_command (glibtop_command *cmnd, glibtop_response *resp,
		      const void *parameter)
{
	glibtop *server = glibtop_global_server;
	pid_t pid;

	switch (cmnd->command) {
	case GLIBTOP_CMND_SYSDEPS:
		resp->u.sysdeps.features = glibtop_server_features;
		resp->offset = _offset_union (sysdeps);
		break;
#if GLIBTOP_SUID_CPU
	case GLIBTOP_CMND_CPU:
		glibtop_get_cpu_p (server, &resp->u.data.cpu);
		resp->offset = _offset_data (cpu);
		break;
#endif
#if GLIBTOP_SUID_MEM
	case GLIBTOP_CMND_MEM:
		glibtop_get_mem_p (server, &resp->u.data.mem);
		resp->offset = _offset_data (mem);
		break;
#endif
#if GLIBTOP_SUID_SWAP
	case GLIBTOP_CMND_SWAP:
		glibtop_get_swap_p (server, &resp->u.data.swap);
		resp->offset = _offset_data (swap);
		break;
#endif
#if GLIBTOP_SUID_UPTIME
	case GLIBTOP_CMND_UPTIME:
		glibtop_get_uptime_p (server, &resp->u.data.uptime);
		resp->offset = _offset_data (uptime);
		break;
#endif
#if GLIBTOP_SUID_LOADAVG
	case GLIBTOP_CMND_LOADAVG:
		glibtop_get_loadavg_p (server, &resp->u.data.loadavg);
		resp->offset = _offset_data (loadavg);
		break;
#endif
#if GLIBTOP_SUID_SHM_LIMITS
	case GLIBTOP_CMND_SHM_LIMITS:
		glibtop_get_shm_limits_p (server, &resp->u.data.shm_limits);
		resp->offset = _offset_data (shm_limits);
		break;
#endif
#if GLIBTOP_SUID_MSG_LIMITS
	case GLIBTOP_CMND_MSG_LIMITS:
		glibtop_get_msg_limits_p (server, &resp->u.data.msg_limits);
		resp->offset = _offset_data (msg_limits);
		break;
#endif
#if GLIBTOP_SUID_SEM_LIMITS
	case GLIBTOP_CMND_SEM_LIMITS:
		glibtop_get_sem_limits_p (server, &resp->u.data.sem_limits);
		resp->offset = _offset_data (sem_limits);
		break;
#endif
#if GLIBTOP_SUID_PROC_STATE
	case GLIBTOP_CMND_PROC_STATE:
		memcpy (&pid, parameter, sizeof (pid_t));
		glibtop_get_proc_state_p
			(server, &resp->u.data.proc_state, pid);
		resp->offset = _offset_data (proc_state);
		break;
#endif
#if GLIBTOP_SUID_PROC_UID
	case GLIBTOP_CMND_PROC_UID:
		memcpy (&pid, parameter, sizeof (pid_t));
		glibtop_get_proc_uid_p
			(server, &resp->u.data.proc_uid, pid);
		resp->offset = _offset_data (proc_uid);
		break;
#endif
#if GLIBTOP_SUID_PROC_MEM
	case GLIBTOP_CMND_PROC_MEM:
		memcpy (&pid, parameter, sizeof (pid_t));
		glibtop_get_proc_mem_p
			(server, &resp->u.data.proc_mem, pid);
		resp->offset = _offset_data (proc_mem);
		break;
#endif
#if GLIBTOP_SUID_PROC_TIME
	case GLIBTOP_CMND_PROC_TIME:
		memcpy (&pid, parameter, sizeof (pid_t));
		glibtop_get_proc_time_p
			(server, &resp->u.data.proc_time, pid);
		resp->offset = _offset_data (proc_time);
		break;
#endif
#if GLIBTOP_SUID_PROC_SIGNAL
	case GLIBTOP_CMND_PROC_SIGNAL:
		memcpy (&pid, parameter, sizeof (pid_t));
		glibtop_get_proc_signal_p
			(server, &resp->u.data.proc_signal, pid);
		resp->offset = _offset_data (proc_signal);
		break;
#endif
#if GLIBTOP_SUID_PROC_KERNEL
	case GLIBTOP_CMND_PROC_KERNEL:
		memcpy (&pid, parameter, sizeof (pid_t));
		glibtop_get_proc_kernel_p
			(server, &resp->u.data.proc_kernel, pid);
		resp->offset = _offset_data (proc_kernel);
		break;
#endif
#if GLIBTOP_SUID_PROC_SEGMENT
	case GLIBTOP_CMND_PROC_SEGMENT:
		memcpy (&pid, parameter, sizeof (pid_t));
		glibtop_get_proc_segment_p
			(server, &resp->u.data.proc_segment, pid);
		resp->offset = _offset_data (proc_segment);
		break;
#endif
	default:
		glibtop_error ("Child received unknown command %u",
			       cmnd->command);
		break;
	}
}