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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _FB_FILESET_H
#define _FB_FILESET_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include "config.h"
#ifndef HAVE_OFF64_T
/*
* We are probably on linux.
* According to http://www.suse.de/~aj/linux_lfs.html, defining the
* above, automatically changes type of off_t to off64_t. so let
* us use only off_t as off64_t is not defined
*/
#define off64_t off_t
#endif /* HAVE_OFF64_T */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <pthread.h>
#include "vars.h"
#define FILE_ALLOC_BLOCK (off64_t)(1024 * 1024)
#ifdef __cplusplus
extern "C" {
#endif
#define FSE_MAXTID 16384
#define FSE_MAXPATHLEN 16
#define FSE_DIR 0x01
#define FSE_FREE 0x02
#define FSE_EXISTS 0x04
#define FSE_BUSY 0x08
#define FSE_REUSING 0x10
typedef struct filesetentry {
struct filesetentry *fse_next;
struct filesetentry *fse_parent;
struct filesetentry *fse_filenext; /* List of files */
struct filesetentry *fse_dirnext; /* List of directories */
struct fileset *fse_fileset; /* Parent fileset */
pthread_mutex_t fse_lock;
char *fse_path;
int fse_depth;
off64_t fse_size;
int fse_flags;
} filesetentry_t;
#define FILESET_PICKANY 0x1 /* Pick any file from the set */
#define FILESET_PICKUNIQUE 0x2 /* Pick a unique file from set until empty */
#define FILESET_PICKRESET 0x4 /* Reset FILESET_PICKUNIQUE selection list */
#define FILESET_PICKDIR 0x8 /* Pick a directory */
#define FILESET_PICKEXISTS 0x10 /* Pick an existing file */
#define FILESET_PICKNOEXIST 0x20 /* Pick a file that doesn't exist */
/* fileset attributes */
#define FILESET_IS_RAW_DEV 0x01 /* fileset is a raw device */
#define FILESET_IS_FILE 0x02 /* Fileset is emulating a single file */
typedef struct fileset {
struct fileset *fs_next; /* Next in list */
avd_t fs_name; /* Name */
avd_t fs_path; /* Pathname prefix in fileset */
avd_t fs_entries; /* Number of entries attr */
/* (possibly random) */
fbint_t fs_constentries; /* Constant version of enties attr */
avd_t fs_preallocpercent; /* Prealloc size */
int fs_attrs; /* Attributes */
avd_t fs_dirwidth; /* Explicit or mean for distribution */
avd_t fs_dirdepthrv; /* random variable for dir depth */
avd_t fs_size; /* Explicit or mean for distribution */
avd_t fs_dirgamma; /* Dirdepth Gamma distribution */
/* (* 1000) defaults to 1500, set */
/* to 0 for explicit depth */
avd_t fs_sizegamma; /* Filesize and dirwidth Gamma */
/* distribution (* 1000), default */
/* is 1500, set to 0 for explicit */
avd_t fs_create; /* Attr */
avd_t fs_prealloc; /* Attr */
avd_t fs_paralloc; /* Attr */
avd_t fs_cached; /* Attr */
avd_t fs_reuse; /* Attr */
double fs_meandepth; /* Computed mean depth */
double fs_meanwidth; /* Specified mean dir width */
double fs_meansize; /* Specified mean file size */
int fs_realfiles; /* Actual files */
off64_t fs_bytes; /* Total space consumed by files */
filesetentry_t *fs_filelist; /* List of files */
filesetentry_t *fs_dirlist; /* List of directories */
filesetentry_t *fs_filefree; /* Ptr to next free file */
filesetentry_t *fs_dirfree; /* Ptr to next free directory */
filesetentry_t *fs_filerotor[FSE_MAXTID]; /* next file to */
/* select */
filesetentry_t *fs_dirrotor; /* Ptr to next directory to select */
} fileset_t;
int fileset_createset(fileset_t *);
int fileset_openfile(fileset_t *fileset, filesetentry_t *entry,
int flag, int mode, int attrs);
fileset_t *fileset_define(avd_t);
fileset_t *fileset_find(char *name);
filesetentry_t *fileset_pick(fileset_t *fileset, int flags, int tid);
char *fileset_resolvepath(filesetentry_t *entry);
void fileset_usage(void);
void fileset_iter(int (*cmd)(fileset_t *fileset, int first));
int fileset_print(fileset_t *fileset, int first);
int fileset_checkraw(fileset_t *fileset);
#ifdef __cplusplus
}
#endif
#endif /* _FB_FILESET_H */
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