1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _FB_FILESET_H 27 #define _FB_FILESET_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include "config.h" 32 33 #ifndef HAVE_OFF64_T 34 /* 35 * We are probably on linux. 36 * According to http://www.suse.de/~aj/linux_lfs.html, defining the 37 * above, automatically changes type of off_t to off64_t. so let 38 * us use only off_t as off64_t is not defined 39 */ 40 #define off64_t off_t 41 #endif /* HAVE_OFF64_T */ 42 43 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <unistd.h> 47 #include <sys/stat.h> 48 #include <sys/types.h> 49 #include <sys/param.h> 50 #include <sys/resource.h> 51 #include <pthread.h> 52 53 #include "vars.h" 54 #define FILE_ALLOC_BLOCK (off64_t)(1024 * 1024) 55 56 #ifdef __cplusplus 57 extern "C" { 58 #endif 59 60 #define FSE_MAXTID 16384 61 62 #define FSE_MAXPATHLEN 16 63 #define FSE_DIR 0x01 64 #define FSE_FREE 0x02 65 #define FSE_EXISTS 0x04 66 #define FSE_BUSY 0x08 67 #define FSE_REUSING 0x10 68 69 typedef struct filesetentry { 70 struct filesetentry *fse_next; 71 struct filesetentry *fse_parent; 72 struct filesetentry *fse_filenext; /* List of files */ 73 struct filesetentry *fse_dirnext; /* List of directories */ 74 struct fileset *fse_fileset; /* Parent fileset */ 75 pthread_mutex_t fse_lock; 76 char *fse_path; 77 int fse_depth; 78 off64_t fse_size; 79 int fse_flags; 80 } filesetentry_t; 81 82 #define FILESET_PICKANY 0x1 /* Pick any file from the set */ 83 #define FILESET_PICKUNIQUE 0x2 /* Pick a unique file from set until empty */ 84 #define FILESET_PICKRESET 0x4 /* Reset FILESET_PICKUNIQUE selection list */ 85 #define FILESET_PICKDIR 0x8 /* Pick a directory */ 86 #define FILESET_PICKEXISTS 0x10 /* Pick an existing file */ 87 #define FILESET_PICKNOEXIST 0x20 /* Pick a file that doesn't exist */ 88 89 /* fileset attributes */ 90 #define FILESET_IS_RAW_DEV 0x01 /* fileset is a raw device */ 91 #define FILESET_IS_FILE 0x02 /* Fileset is emulating a single file */ 92 93 typedef struct fileset { 94 struct fileset *fs_next; /* Next in list */ 95 char fs_name[128]; /* Name */ 96 var_string_t fs_path; /* Pathname prefix in fs */ 97 var_integer_t fs_entries; /* Set size */ 98 var_integer_t fs_preallocpercent; /* Prealloc size */ 99 int fs_attrs; /* Attributes */ 100 var_integer_t fs_dirwidth; /* Explicit or 0 for distribution */ 101 var_integer_t fs_size; /* Explicit or 0 for distribution */ 102 var_integer_t fs_dirgamma; /* Dirwidth Gamma distribution (* 1000) */ 103 var_integer_t fs_sizegamma; /* Filesize Gamma distribution (* 1000) */ 104 var_integer_t fs_create; /* Attr */ 105 var_integer_t fs_prealloc; /* Attr */ 106 var_integer_t fs_paralloc; /* Attr */ 107 var_integer_t fs_cached; /* Attr */ 108 var_integer_t fs_reuse; /* Attr */ 109 double fs_meandepth; /* Computed mean depth */ 110 double fs_meanwidth; /* Specified mean dir width */ 111 double fs_meansize; /* Specified mean file size */ 112 int fs_realfiles; /* Actual files */ 113 off64_t fs_bytes; /* Space potentially consumed by all files */ 114 filesetentry_t *fs_filelist; /* List of files */ 115 filesetentry_t *fs_dirlist; /* List of directories */ 116 filesetentry_t *fs_filefree; /* Ptr to next free file */ 117 filesetentry_t *fs_dirfree; /* Ptr to next free directory */ 118 filesetentry_t *fs_filerotor[FSE_MAXTID]; /* next file to select */ 119 filesetentry_t *fs_dirrotor; /* Ptr to next directory to select */ 120 } fileset_t; 121 122 int fileset_createset(fileset_t *); 123 int fileset_openfile(fileset_t *fileset, filesetentry_t *entry, 124 int flag, int mode, int attrs); 125 fileset_t *fileset_define(char *); 126 fileset_t *fileset_find(char *name); 127 filesetentry_t *fileset_pick(fileset_t *fileset, int flags, int tid); 128 char *fileset_resolvepath(filesetentry_t *entry); 129 void fileset_usage(void); 130 void fileset_iter(int (*cmd)(fileset_t *fileset, int first)); 131 int fileset_print(fileset_t *fileset, int first); 132 int fileset_checkraw(fileset_t *fileset); 133 134 135 #ifdef __cplusplus 136 } 137 #endif 138 139 #endif /* _FB_FILESET_H */ 140