include/env.h

/*
 * Copyright (C) 2000-2005 SWsoft. All rights reserved.
 *
 * This file may be distributed under the terms of the Q Public License
 * as defined by Trolltech AS of Norway and appearing in the file
 * LICENSE.QPL included in the packaging of this file.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
#ifndef	_ENV_H_
#define _ENV_H_

#include "types.h"
#include "res.h"
#include "modules.h"

/** Shutdown timeout.
 */
#define MAX_SHTD_TM		120
#define MIN_NUMIPTENT		16
/* default cpu units values */
#define LHTCPUUNITS		250
#define UNLCPUUNITS		1000
#define HNCPUUNITS		1000



typedef int (*env_create_FN)(vps_handler *h, envid_t veid, int wait_p,
	int err_p, void *data);

/** Stop modes.
 */
enum {
	M_HALT,		/**< stop by halt. */
	M_REBOOT,	/**< stop by reboot. */
	M_KILL,		/**< stop by SIGTERM. */
};

/** Allocate and inittialize VPS handler.
 *
 * @param veid		VPS id.
 * @return		handler or NULL on error.
 */
vps_handler *vz_open(envid_t veid);

/** Close VPS handler.
 *
 * @param h		VPS handler.
 */
void vz_close(vps_handler *h);

/** Get VPS status.
 *
 * @param h		VPS handler.
 * @param veid		VPS id.
 * @return		1 - VPS is running
 *			0 - VPS is stopped.
 */
int vps_is_run(vps_handler *h, envid_t veid);

/** Sart VPS.
 *
 * @param h		VPS handler.
 * @param veid		VPS id.
 * @param param		VPS resourses.
 * @param skip		flags to skip VPS setup (SKIP_SETUP|SKIP_ACTION_SCRIPT)
 * @param action	modules list, used to call setup() callback
 * @return		0 on success.
 */
int vps_start(vps_handler *h, envid_t veid, vps_param *param,
	skipFlags skip, struct mod_action *action);

/** Stop VPS.
 *
 * @param h		VPS handler.
 * @param veid		VPS id.
 * @param param		VPS resourses.
 * @param stop_mode	stop mode one of (M_REBOOT M_HALT M_KILL).
 * @param skip		flags to skip run action script (SKIP_ACTION_SCRIPT)
 * @param action	modules list, used to call cleanup() callback.
 * @return		0 on success.
 */
int vps_stop(vps_handler *h, envid_t veid, vps_param *param, int stop_mode,
	skipFlags skip, struct mod_action *action);

/** Change root to specified directory
 *
 * @param		VPS root
 * @return		0 on success
 */
int vz_chroot(char *root);

int vz_setluid(envid_t veid);
int vz_env_create_ioctl(vps_handler *h, envid_t veid, int flags);
#endif