dbcheck.h

来自「db.* (pronounced dee-be star) is an adva」· C头文件 代码 · 共 464 行 · 第 1/2 页

    DB_ULONG    count;
    DB_ADDR     dba;
    DB_ADDR     frstdba;
    char *      buf;
    DB_BOOLEAN  frst_slot;
    DB_BOOLEAN  in_series;
    short       fldno;
}  ERR_KEYDUPES;

typedef struct _ERR_FSIZE
{
    DB_TCHAR   *fname;
    short       fsize;
}  ERR_FSIZE;

/* information about the key file currently being checked */
typedef struct _KEYINFO
{
    char        oldkey[MAXKEYSIZE];
    short       oldno;
    short       slot_len;
    DB_ADDR     olddba;
    short       max_levl;
    short       null_levl;
    long        btree_pages;
    ERR_KEYDUPES kdup;
}  KEYINFO;

#define ERS_ERR   0
#define ERS_WARN  1

#define ERT_NULL        0
#define ERT_SHORT       1
#define ERT_FADR        2
#define ERT_DBA         3
#define ERT_SETS        4
#define ERT_SPTR        5
#define ERT_SMEM        6
#define ERT_SMTP        7
#define ERT_SCNT        8
#define ERT_SOWN        9
#define ERT_SOTP        11
#define ERT_KINF        12
#define ERT_SINM        13
#define ERT_SINF        14
#define ERT_SDBA        15
#define ERT_SLCH        16
#define ERT_LEVL        17
#define ERT_SLIN        18
#define ERT_SYSTEM      19
#define ERT_PGZERO      20
#define ERT_UKNU        21
#define ERT_SIZE        22

#define BAD_LOCK        1
#define BAD_RID         2
#define BAD_RDBA        3
#define BAD_RSTP        4
#define BAD_SSTP        5
#define BAD_OFST        6
#define BAD_OLST        7
#define BAD_OMEM        8
#define BAD_OMDL        9
#define BAD_OMRC        10
#define BAD_OMTP        11
#define BAD_LOOP        12
#define BAD_MFPN        13
#define BAD_MLNN        14
#define BAD_MNPW        15
#define BAD_OMOW        16
#define BAD_OCNT        17
#define BAD_MOPB        18
#define BAD_MODL        19
#define BAD_MORC        20
#define BAD_MOIN        21
#define BAD_MONL        22
#define BAD_MNPP        23
#define BAD_MNNP        24
#define BAD_MOKEY       25
#define BAD_OKEY        26
#define BAD_MKEY        27
#define BAD_SLCT        28
#define BAD_KWDL        29
#define BAD_KEYP        30
#define BAD_KPFL        31
#define BAD_KDBA        32
#define BAD_KDAD        33
#define BAD_KREC        34
#define BAD_KDAT        35
#define BAD_TRLV        36
#define BAD_CHSM        37
#define BAD_CHSL        38
#define BAD_CHPT        39
#define BAD_BTRC        40
#define BAD_BTUO        41
#define BAD_BTDD        42
#define BAD_KPST        43
#define BAD_KBTL        44
#define BAD_DCHN        45
#define BAD_KCNDL       46
#define BAD_DCNDL       47
#define BAD_KDLNC       48
#define BAD_DDLNC       49
#define BAD_NCLP        50
#define BAD_RCLP        51
#define BAD_NNEN        52
#define BAD_DIOR        53
#define BAD_DIOG        54
#define BAD_SYSR        55
#define BAD_NEXTSLOT    56
#define BAD_DCHAIN      57
#define BAD_UKNU        58
#define BAD_SETP        59
#define BAD_SETN        60
#define BAD_OMPP        61
#define BAD_SIZE        62

#ifdef ERR_DEFINE
struct _ERR_DEFINE
{
    short type;
    short severity;
    DB_TCHAR *text;
}  chk_errs[] = {
/* BAD_LOCK */  ERT_NULL,     ERS_ERR,  DB_TEXT("record's lock bit is set\n"),
/* BAD_RID */   ERT_SHORT,    ERS_ERR,  DB_TEXT("record's id-number=%d is out of range or inappropriate for its file\n"),
/* BAD_RDBA */  ERT_DBA,      ERS_ERR,  DB_TEXT("record's dba is inconsistent: %s\n"),
/* BAD_RSTP */  ERT_NULL,     ERS_ERR,  DB_TEXT("record's timestamp(s) are invalid\n"),
/* BAD_SSTP */  ERT_SETS,     ERS_ERR,  DB_TEXT("set's timestamp is invalid\n"),
/* BAD_OFST */  ERT_SPTR,     ERS_ERR,  DB_TEXT("invalid first-pointer"),
/* BAD_OLST */  ERT_SPTR,     ERS_ERR,  DB_TEXT("invalid last-pointer"),
/* BAD_OMEM */  ERT_SPTR,     ERS_ERR,  DB_TEXT("member's next-pointer is invalid"),
/* BAD_OMDL */  ERT_SMEM,     ERS_ERR,  DB_TEXT("member record is deleted"),
/* BAD_OMRC */  ERT_SMEM,     ERS_ERR,  DB_TEXT("member record has invalid record-id and/or inconsistent dba"),
/* BAD_OMTP */  ERT_SMTP,     ERS_ERR,  DB_TEXT("member's record-id=%d is invalid member type for this set"),
/* BAD_LOOP */  ERT_SMEM,     ERS_ERR,  DB_TEXT("set has more members than it should; terminating scan at"),
/* BAD_MFPN */  ERT_SMEM,     ERS_ERR,  DB_TEXT("first member does not have NULL previous pointer"),
/* BAD_MLNN */  ERT_SMEM,     ERS_ERR,  DB_TEXT("last member does not have NULL next pointer"),
/* BAD_MNPW */  ERT_SMEM,     ERS_ERR,  DB_TEXT("member's previous-pointer does not point to previous member"),
/* BAD_OMOW */  ERT_SMEM,     ERS_ERR,  DB_TEXT("member's owner-pointer does not point to correct owner"),
/* BAD_OCNT */  ERT_SCNT,     ERS_ERR,  DB_TEXT("incorrect member-count:  owner's-count=%ld  actual=%ld\n"),
/* BAD_MOPB */  ERT_SOWN,     ERS_ERR,  DB_TEXT("member's owner-pointer is invalid"),
/* BAD_MODL */  ERT_SOWN,     ERS_ERR,  DB_TEXT("member's owner record is deleted"),
/* BAD_MORC */  ERT_SOWN,     ERS_ERR,  DB_TEXT("member's owner record invalid record-id and/or inconsistent dba"),
/* BAD_MOIN */  ERT_SOTP,     ERS_ERR,  DB_TEXT("member's owner record-id=%d is invalid owner type for this set"),
/* BAD_MONL */  ERT_SETS,     ERS_ERR,  DB_TEXT("owner-pointer is null, but next and previous are not\n"),
/* BAD_MNPP */  ERT_SETS,     ERS_ERR,  DB_TEXT("member has null previous-pointer but is not first member\n"),
/* BAD_MNNP */  ERT_SETS,     ERS_ERR,  DB_TEXT("member has null next-pointer but is not last member\n"),
/* BAD_MOKEY */ ERT_KINF,     ERS_ERR,  DB_TEXT("missing optional key\n"),
/* BAD_OKEY */  ERT_KINF,     ERS_ERR,  DB_TEXT("optional key with missing record bit\n"),
/* BAD_MKEY */  ERT_KINF,     ERS_ERR,  DB_TEXT("has a missing key\n"),
/* BAD_SLCT */  ERT_SHORT,    ERS_ERR,  DB_TEXT("page's slot-count=%d is out of range\n"),
/* BAD_KWDL */  ERT_NULL,     ERS_ERR,  DB_TEXT("deleted page found on the b-tree\n"),
/* BAD_KEYP */  ERT_SINM,     ERS_ERR,  DB_TEXT("key-prefix=%d is out of range\n"),
/* BAD_KPFL */  ERT_SINM,     ERS_ERR,  DB_TEXT("key-prefix=%d does not belong in this file\n"),
/* BAD_KDBA */  ERT_SDBA,     ERS_ERR,  DB_TEXT("record-dba=%s is invalid\n"),
/* BAD_KDAD */  ERT_SDBA,     ERS_ERR,  DB_TEXT("record-dba=%s is deleted\n"),
/* BAD_KREC */  ERT_SDBA,     ERS_ERR,  DB_TEXT("record-dba=%s has invalid record-id and/or inconsistent dba\n"),
/* BAD_KDAT */  ERT_SDBA,     ERS_ERR,  DB_TEXT("data does not match record-dba=%s data\n"),
/* BAD_TRLV */  ERT_LEVL,     ERS_ERR,  DB_TEXT("b-tree level=%d is deeper than theoretical-maximum=%d\n"),
/* BAD_CHSM */  ERT_NULL,     ERS_ERR,  DB_TEXT("child pointers at this node are not either all null or all non-null\n"),
/* BAD_CHSL */  ERT_NULL,     ERS_ERR,  DB_TEXT("null child pointers are not all at the same b-tree level\n"),
/* BAD_CHPT */  ERT_SLCH,     ERS_ERR,  DB_TEXT("child-pointer=%ld is invalid\n"),
/* BAD_BTRC */  ERT_SLIN,     ERS_ERR,  DB_TEXT("b-tree traceback at level=%d\n"),
/* BAD_BTUO */  ERT_SLIN,     ERS_ERR,  DB_TEXT("b-tree is unordered; b-tree level=%d\n"),
/* BAD_BTDD */  ERT_SDBA,     ERS_ERR,  DB_TEXT("record-dba=%s has duplicate entries in the b-tree\n"),
/* BAD_KPST */  ERT_NULL,     ERS_ERR,  DB_TEXT("node is not referenced by either the b-tree or delete chain\n"),
/* BAD_KBTL */  ERT_NULL,     ERS_ERR,  DB_TEXT("node is the child of more than one parent\n"),
/* BAD_DCHN */  ERT_FADR,     ERS_ERR,  DB_TEXT("delete chain's next-pointer=%ld is out of range\n"),
/* BAD_KCNDL */ ERT_NULL,     ERS_ERR,  DB_TEXT("node is not deleted, but is on delete chain\n"),
/* BAD_DCNDL */ ERT_NULL,     ERS_ERR,  DB_TEXT("record is not deleted, but is on delete chain\n"),
/* BAD_KDLNC */ ERT_NULL,     ERS_ERR,  DB_TEXT("node is deleted, but is not on delete chain\n"),
/* BAD_DDLNC */ ERT_NULL,     ERS_ERR,  DB_TEXT("record is deleted, but is not on delete chain\n"),
/* BAD_NCLP */  ERT_NULL,     ERS_ERR,  DB_TEXT("node is at the start and end of a loop in delete chain\n"),
/* BAD_RCLP */  ERT_NULL,     ERS_ERR,  DB_TEXT("record is at the start and end of a loop in delete chain\n"),
/* BAD_NNEN */  ERT_NULL,     ERS_WARN, DB_TEXT("warning: non-null data after the logical end of file\n"),
/* BAD_DIOR */  ERT_DBA,      ERS_ERR,  DB_TEXT("unexpected error in dio_read of dba=%s\n"),
/* BAD_DIOG */  ERT_FADR,     ERS_ERR,  DB_TEXT("unexpected error in dio_get of page=%ld\n"),
/* BAD_SYSR */  ERT_SYSTEM,   ERS_ERR,  DB_TEXT("record-id says SYSTEM, only one SYSTEM record allowed\n"),
/* BAD_NXTSL */ ERT_PGZERO,   ERS_WARN, DB_TEXT("Possible bad next_slot    pointer (0x%08lX) in file # %u\n"),
/* BAD_DCHN */  ERT_PGZERO,   ERS_WARN, DB_TEXT("Possible bad delete_chain pointer (0x%08lX) in file # %u\n"),
/* BAD_UKNU */  ERT_UKNU,     ERS_ERR,  DB_TEXT("Field %s is defined as unique key,\n     but the above value is duplicated in data file at %s\n"),
/* BAD_SETP */  ERT_SOWN,     ERS_ERR,  DB_TEXT("previous record's next record does not point to current member"),
/* BAD_SETN */  ERT_SOWN,     ERS_ERR,  DB_TEXT("next record's previous record does not point to current member"),
/* BAD_OMPP */  ERT_SPTR,     ERS_ERR,  DB_TEXT("member's prev-pointer is invalid"),
/* BAD_SIZE  */ ERT_SIZE,     ERS_WARN, DB_TEXT("Size of field %s (%d bytes) in database is incorrect for its type\n")
};

#endif

/* function prototypes */
static int   parse_args(int, DB_TCHAR **, CHKOPTS **);
static void  usage(void);
static int   setup(char **, CHKOPTS *, DBINFO **, DB_TASK *);
static int   setup_db(char **, CHKOPTS *, DBINFO **, DB_TASK *);
static int   setup_keys(DBINFO *, DB_TASK *);
static int   setup_sets(DBINFO *, DB_TASK *);
static int   setup_tots(DBINFO *, DB_TASK *);
static int   setup_cnts(DBINFO *, DB_TASK *);
static int   setup_temp_files(DBINFO *, DB_TASK *);
static void  free_dbinfo(DBINFO *);
static int   scan(char *, DBINFO *, DB_TASK *);
static int   chk_rec(DB_ADDR, char *, char *, CHKREC *, DBINFO *, DB_TASK *);
static int   chk_key(char *, int, DB_ADDR, DBINFO *, DB_TASK *);
static void  chk_stmp(char *, int, FILE_NO, DB_BOOLEAN, DBINFO *, DB_TASK *);
static int   chk_own(char *, short, DB_ADDR, DBINFO *, DB_TASK *);
static int   chk_mem(char *, short, DB_ADDR, DBINFO *, DB_TASK *);
static int   key_file(FILE_NO, DBINFO *, DB_TASK *);
static int   walk_key(FILE_NO, KEYINFO *, DBINFO *, DB_TASK *);
static int   scan_key(FILE_NO, F_ADDR, short, KEYINFO *, DBINFO *, DB_TASK *);
static int   chk_node(FILE_NO, F_ADDR, short, KEYINFO *, DBINFO *, DB_TASK *);
static int   chk_slot(FILE_NO, KEYINFO *, SLINFO *, DBINFO *, DB_TASK *);
static int   scan_child(FILE_NO, F_ADDR, KEYINFO *, SLINFO *, DBINFO *, DB_TASK *);
static int   reg_page(F_ADDR, PAGE_CACHE *, long);
static int   chk_pglst(FILE_NO, DBINFO *, DB_TASK *);
static int   read_del_chain(FILE_NO, DBINFO *, DB_TASK *);
static int   chk_del_chain(F_ADDR, DB_BOOLEAN, DBINFO *, DB_TASK *);
static int   tio_get(FILE_NO, F_ADDR, char **, int, DBINFO *, DB_TASK *);
static int   tio_unget(FILE_NO, F_ADDR, int, DBINFO *, DB_TASK *);
static int   tio_read(DB_ADDR, char **, DBINFO *, DB_TASK *);
static int   chk_dba(DB_ADDR, DBINFO *, DB_TASK *);
static int   get_rid_info(char *, struct _RECINFO *);
static void  pr_err(int, void *, DBINFO *, DB_TASK *);
static DB_TCHAR *pr_dba(DB_ADDR *);
static int   stat_report(FILE_NO, F_ADDR, DBINFO *, DB_TASK *);
static int   pr_stat(int, DBINFO *);
static int   pr_counts(DBINFO *, DB_TASK *);
static int   data_file(FILE_NO, char *, DBINFO *, DB_TASK *);
static SET_INFO *val_mtype(int, short, REC_SET_INFO *, DB_TASK *);