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/*
Time-stamp: <98/05/02 17:23:04 yusuf>
$Id: structs.h,v 1.25 1998/05/02 12:51:41 yusuf Exp $
*/
#include <unistd.h>
/* Tape header */
struct tape_header {
_u32 magic;
_u32 archive_id;
_s32 tape_number;
char archive_title[MAX_ARCHIVETITLE];
};
/* Header of info file */
struct info_file_header {
_u32 magic;
_u32 free[INFO_INDICIES]; /* for use with m-tree */
_u32 end[INFO_INDICIES]; /* indicies */
_u32 root[INFO_INDICIES];
_u32 archive_id;
_s32 number_tapes;
_s32 number_volumes; /* volume/tape info at end of info file */
_u32 size_volume_headers; /* size of volume headers */
_s32 no_in_archive;
_s32 number_tsi; /* # times end vol hit end of tape */
char archive_title[MAX_ARCHIVETITLE];
};
/* A volume header consists of:
magic number
no in volume
title of volume
time of backup
number of selection strings
selection strings (ie. the selection criteria used to
select files for this volume)
each string contains :
string len ) selection criteria
string )
string len ) filter - blank filter means select all
string )
*/
struct volume_header {
_s32 volume_magic; /* magic number of a volume */
_s32 no_in_volume; /* # files in volume */
char volume_title[MAX_ARCHIVETITLE]; /* name of volume */
_time_t backup_time; /* time volume backed up */
_s32 no_sels; /* number of select */
_u32 size_header; /* size of volume header information */
};
/* Information for each file on tape */
struct file_info {
_u32 act_size;
_s32 volume;
/* If the volume < 0, then this means that this file is a directory that
was added because of a change in common path names. The volume is the
negative of the original */
_s32 pos_in_archive;
_dev_t dev;
_uid_t uid;
_gid_t gid;
_umode_t mode; /* mode of the file (if link, mode of link file) */
_umode_t org_mode; /* mode of the original file */
_u32 size;
_time_t atime;
_time_t mtime;
_time_t ctime;
_time_t backup_time;
_u8 name_len;
_u8 compressed;
_s32 checksum; /* just the sum of all the bytes in the file */
/* if =-1, then problem backing up this file
=-2, the backup was aborted */
};
struct file_info_file_data { /* structure holding information */
_u32 recnum; /* record number */
struct file_info f; /* in data file */
off_t fname_pos; /* position in filename file */
};
struct info_file_data { /* structure holding information */
_u32 recnum; /* record number */
struct file_info f; /* in data file */
off_t fname_pos; /* position in filename file */
char name[MAX_FNAME]; /* position in filename file */
};
struct info_file_key { /* common key for info file */
_u32 recnum;
off_t fname_pos; /* position in filename file */
_u32 pos_in_archive;
_s32 volume;
_time_t mtime;
};
/* Information about which tape each volume is on
Appened to end of info file */
struct volume_tape_info {
_s32 volume; /* volume */
_s32 start_tape; /* tape this volume starts */
_s32 end_tape; /* tape this volume ends on */
_u32 blocks_on_last_tape; /* # blocks that belong to this vol on end_tape */
};
/* Information about size of each tape
* Appended to end of inf file */
struct tape_size_info {
_s32 tape_number; /* tape number */
_s32 volume;
_u32 blocks; /* # blocks on tape */
_u32 lb_bytes_short; /* # bytes the last block is short by */
};
struct memory_file { /* representation of a file in memory */
_u32 size;
_s8 selected; /* 0 not selected, 1 selected */
_s8 unselected; /* 0 not unselected, 1 unselected */
_u32 most_recent; /* rec # of most recent */
};
/* Representation in memory of a file on the archive */
#define ENTRY_INCLUDE 1
#define ENTRY_EXCLUDE 2
struct selected_entry {
struct info_file_data i, savedi;
_s8 incremental; /* in sel_restore: 1 = restore most recent
0 = restore volume given
in sel_backup: 1 = incremental backup
0 = full backup */
_s8 selected; /* 0 if directly, 1 if indirectly */
_u32 size; /* size of selection */
_u32 mm_size, ab_size;
};
/* Representation in memory of the directory I create in sel_restore */
struct dir_file_entry {
struct info_file_data i;
char name[MAX_FNAME];
_s8 selected;
_u32 size;
};
struct shared_mems { /* things that are */
volatile _s32 _write_offset; /* and the taper writing process */
volatile _s8 _for_close_1; /* trying to close with buffer */
volatile _s8 _for_close_2; /* trying to close with buffer */
volatile _s8 _still_compressing; /* restore child is still compressing */
volatile _s32 _log_errors; /* child of parent can change them */
volatile _s32 _log_warnings;
volatile pid_t _write_pid; /* pid of write child */
volatile _vptr _write_buf_no; /* tells child which buffer to write */
volatile _s32 _buf_length_1; /* how long the buffer 1 is */
volatile _s32 _buf_length_2; /* how long buffer 2 is */
volatile _s32 _left_tr; /* amount left to transfer out of a buffer after write */
volatile _s32 _blocks_passed; /* number of blocks passed */
volatile _u32 _bytes_short; /* # bytes that couldn't be read/written to last block on tape */
_s8 *_w_current_buffer; /* buffer data being currently spooled to */
_s8 *_w_current_writing; /* buffer child is currently writing to tape */
_s8 *_w_buffer_1, *_w_buffer_2; /* double buffers */
};
struct pref_template {
char *pref_name; /* long command name & preference name */
_s8 cln; /* short command name */
_vptr option_1;
_vptr option_2; /* for colours */
_s8 handle; /* how to handle option */
/* Y = true/false, S = string */
/* I = integer, P = preference file name */
/* C = colour */
_s8 save_pref; /* if FALSE, needs tape name in front of this pref */
};
struct pref_info {
char * name;
_vptr opt;
_s8 type;
_s32 length;
/* Types: S = string
I = integer (0..99)
L = log level (0..3)
B = block size (ie. divide by 1024)
Y = yes or no (0..1)
O = overwrite (0..2)
T = tape type (0..2)
C = compression (0..2)
*/
};
typedef _errstat (*file_passed_action) (struct file_info *fi, char * fn, struct info_file_data *i_data);
typedef void (*print_status) (WINDOW *mes_box, _s32 cur_in_vol,
_s32 no_in_vol, _s32 vol,
_u32 file_size,
char *, _time_t start, _time_t t_current);
typedef _errstat (*chksum_err) (struct file_info *fi, char *fn);
/* For mtree.c */
typedef _u32 dskblk;
typedef struct info_file_key keytype; /* key */
typedef struct { /* structure of a node */
int n;
keytype keys[TREEORD+1];
dskblk a[TREEORD+1];
} info_file_datai;
typedef info_file_datai node;
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