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/*
* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LVM_CMDLIB_H
#define _LVM_CMDLIB_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _LVM_LOG_H
typedef void (*lvm2_log_fn_t) (int level, const char *file, int line,
int dm_errno, const char *message);
#endif
#define LVM2_LOG_SUPPRESS 0
/* Logging levels */
#define LVM2_LOG_FATAL 2
#define LVM2_LOG_ERROR 3
#define LVM2_LOG_PRINT 4
#define LVM2_LOG_VERBOSE 5
#define LVM2_LOG_VERY_VERBOSE 6
#define LVM2_LOG_DEBUG 7
/* Return values */
#define LVM2_COMMAND_SUCCEEDED 1 /* ECMD_PROCESSED */
#define LVM2_NO_SUCH_COMMAND 2 /* ENO_SUCH_CMD */
#define LVM2_INVALID_PARAMETERS 3 /* EINVALID_CMD_LINE */
#define LVM2_INIT_FAILED 4 /* EINIT_FAILED */
#define LVM2_PROCESSING_FAILED 5 /* ECMD_FAILED */
/*
* Define external function to replace the built-in logging function.
* It receives output line-by-line.
*
* level is the logging level (see above)
* file & line refer to the source code where the message originates.
*/
void lvm2_log_fn(lvm2_log_fn_t log_fn);
/*
* Initialise library.
* Returns a handle so repeated use of lvm2_run is more efficient.
*/
void *lvm2_init(void);
/*
* Initialise library for threaded user
* Returns a handle so repeated use of lvm2_run is more efficient.
*/
void *lvm2_init_threaded(void);
/*
* Disable any dmeventd calls that the library may otherwise do. Useful to avoid
* recursive calls from dmeventd to itself.
*/
void lvm2_disable_dmeventd_monitoring(void *handle);
/*
* Set log level (as above) if using built-in logging function.
* Default is LVM2_LOG_PRINT. Use LVM2_LOG_SUPPRESS to suppress output.
*/
void lvm2_log_level(void *handle, int level);
/*
* Run an LVM2 command.
* Use NULL handle if the call is a one-off and you don't want to bother
* calling lvm2_init/lvm2_exit.
*/
int lvm2_run(void *handle, const char *cmdline);
/* Release handle */
void lvm2_exit(void *handle);
#ifdef __cplusplus
}
#endif
#endif
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