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Data Structures | Macros | Typedefs | Enumerations | Functions
io.h File Reference
#include "groonga_in.h"
#include "error.h"
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Data Structures

struct  grn_io_win
struct  grn_io_mapinfo
struct  _grn_io_header
struct  _grn_io
struct  _grn_io_ja_einfo
struct  _grn_io_ja_ehead
struct  _grn_io_array_spec
struct  _grn_io_array_info

Macros

#define GRN_IO_FILE_SIZE   1073741824UL
#define GRN_IO_COPY   grn_io_rdwr
#define GRN_IO_UPDATE   grn_io_rdwr
#define GRN_TABLE_ADD   (0x01<<6)
#define GRN_TABLE_ADDED   (0x01<<7)
#define GRN_IO_MAX_RETRY   (0x10000)
#define GRN_IO_MAX_REF   (0x80000000)
#define GRN_IO_EXPIRE_GTICK   (0x01)
#define GRN_IO_EXPIRE_SEGMENT   (0x02)
#define GRN_IO_TEMPORARY   (0x04)
#define GRN_IO_SEG_REF(io, segno, addr)
#define GRN_IO_SEG_UNREF(io, segno)
#define GRN_IO_ARRAY_AT(io, array, offset, flags, res)
#define GRN_IO_ARRAY_BIT_AT(io, array, offset, res)
#define GRN_IO_ARRAY_BIT_ON(io, array, offset)
#define GRN_IO_ARRAY_BIT_OFF(io, array, offset)
#define GRN_IO_ARRAY_BIT_FLIP(io, array, offset)
#define GRN_B_ENC(v, p)
#define GRN_B_ENC_SIZE(v)   ((v) < 0x8f ? 1 : ((v) < 0x408f ? 2 : ((v) < 0x20408f ? 3 : ((v) < 0x1020408f ? 4 : 5))))
#define GRN_B_DEC(v, p)
#define GRN_B_SKIP(p)
#define GRN_B_COPY(p2, p1)

Typedefs

typedef struct _grn_io grn_io
typedef struct _grn_io_array_info grn_io_array_info
typedef struct _grn_io_ja_einfo grn_io_ja_einfo
typedef struct _grn_io_ja_ehead grn_io_ja_ehead
typedef struct _grn_io_array_spec grn_io_array_spec

Enumerations

enum  grn_io_rw_mode { grn_io_rdonly, grn_io_wronly, grn_io_rdwr }
enum  grn_io_mode { grn_io_auto, grn_io_manual }

Functions

GRN_API grn_io * grn_io_create (grn_ctx *ctx, const char *path, uint32_t header_size, uint32_t segment_size, uint32_t max_segment, grn_io_mode mode, unsigned int flags)
grn_io * grn_io_open (grn_ctx *ctx, const char *path, grn_io_mode mode)
GRN_API grn_rc grn_io_close (grn_ctx *ctx, grn_io *io)
grn_rc grn_io_remove (grn_ctx *ctx, const char *path)
grn_rc grn_io_size (grn_ctx *ctx, grn_io *io, uint64_t *size)
grn_rc grn_io_rename (grn_ctx *ctx, const char *old_name, const char *new_name)
GRN_API void * grn_io_header (grn_io *io)
void * grn_io_win_map (grn_io *io, grn_ctx *ctx, grn_io_win *iw, uint32_t segment, uint32_t offset, uint32_t size, grn_io_rw_mode mode)
grn_rc grn_io_win_mapv (grn_io_win **list, grn_ctx *ctx, int nent)
grn_rc grn_io_win_unmap (grn_io_win *iw)
void * grn_io_win_map2 (grn_io *io, grn_ctx *ctx, grn_io_win *iw, uint32_t segment, uint32_t offset, uint32_t size, grn_io_rw_mode mode)
grn_rc grn_io_win_unmap2 (grn_io_win *iw)
grn_rc grn_io_read_ja (grn_io *io, grn_ctx *ctx, grn_io_ja_einfo *einfo, uint32_t epos, uint32_t key, uint32_t segment, uint32_t offset, void **value, uint32_t *value_len)
grn_rc grn_io_write_ja (grn_io *io, grn_ctx *ctx, uint32_t key, uint32_t segment, uint32_t offset, void *value, uint32_t value_len)
grn_rc grn_io_write_ja_ehead (grn_io *io, grn_ctx *ctx, uint32_t key, uint32_t segment, uint32_t offset, uint32_t value_len)
void grn_io_seg_map_ (grn_ctx *ctx, grn_io *io, uint32_t segno, grn_io_mapinfo *info)
uint32_t grn_io_base_seg (grn_io *io)
const char * grn_io_path (grn_io *io)
grn_io * grn_io_create_with_array (grn_ctx *ctx, const char *path, uint32_t header_size, uint32_t segment_size, grn_io_mode mode, int n_arrays, grn_io_array_spec *array_specs)
void * grn_io_array_at (grn_ctx *ctx, grn_io *io, uint32_t array, off_t offset, int *flags)
void grn_io_segment_alloc (grn_ctx *ctx, grn_io *io, grn_io_array_info *ai, uint32_t lseg, int *flags, void **p)
GRN_API grn_rc grn_io_lock (grn_ctx *ctx, grn_io *io, int timeout)
GRN_API void grn_io_unlock (grn_io *io)
void grn_io_clear_lock (grn_io *io)
uint32_t grn_io_is_locked (grn_io *io)
void * grn_io_anon_map (grn_ctx *ctx, grn_io_mapinfo *mi, size_t length)
void grn_io_anon_unmap (grn_ctx *ctx, grn_io_mapinfo *mi, size_t length)
uint32_t grn_io_detect_type (grn_ctx *ctx, const char *path)
grn_rc grn_io_set_type (grn_io *io, uint32_t type)
uint32_t grn_io_get_type (grn_io *io)
grn_rc grn_io_init (void)
grn_rc grn_io_fin (void)
uint32_t grn_io_expire (grn_ctx *ctx, grn_io *io, int count_thresh, uint32_t limit)
uint32_t grn_expire (grn_ctx *ctx, int count_thresh, uint32_t limit)

Macro Definition Documentation

#define GRN_B_COPY (   p2,
  p1 
)
Value:
do { \
uint32_t size = 0, _v = *p1++; \
*p2++ = _v; \
switch (_v >> 4) { \
case 0x08 : \
size = (_v == 0x8f) ? 4 : 0; \
break; \
case 0x09 : \
size = 3; \
break; \
case 0x0a : \
case 0x0b : \
size = 2; \
break; \
case 0x0c : \
case 0x0d : \
case 0x0e : \
case 0x0f : \
size = 1; \
break; \
} \
while (size--) { *p2++ = *p1++; } \
} while (0)

Definition at line 466 of file io.h.

#define GRN_B_DEC (   v,
  p 
)
Value:
do { \
uint8_t *_p = (uint8_t *)p; \
uint32_t _v = *_p++; \
switch (_v >> 4) { \
case 0x08 : \
if (_v == 0x8f) { \
memcpy(&_v, _p, sizeof(uint32_t));\
_p += sizeof(uint32_t); \
} \
break; \
case 0x09 : \
_v = (_v - 0x90) * 0x100 + *_p++; \
_v = _v * 0x100 + *_p++; \
_v = _v * 0x100 + *_p++ + 0x20408f; \
break; \
case 0x0a : \
case 0x0b : \
_v = (_v - 0xa0) * 0x100 + *_p++; \
_v = _v * 0x100 + *_p++ + 0x408f; \
break; \
case 0x0c : \
case 0x0d : \
case 0x0e : \
case 0x0f : \
_v = (_v - 0xc0) * 0x100 + *_p++ + 0x8f; \
break; \
} \
v = _v; \
p = _p; \
} while (0)

Definition at line 409 of file io.h.

#define GRN_B_ENC (   v,
  p 
)
Value:
do {\
uint8_t *_p = (uint8_t *)p; \
uint32_t _v = v; \
if (_v < 0x8f) { \
*_p++ = _v; \
} else if (_v < 0x408f) { \
_v -= 0x8f; \
*_p++ = 0xc0 + (_v >> 8); \
*_p++ = _v & 0xff; \
} else if (_v < 0x20408f) { \
_v -= 0x408f; \
*_p++ = 0xa0 + (_v >> 16); \
*_p++ = (_v >> 8) & 0xff; \
*_p++ = _v & 0xff; \
} else if (_v < 0x1020408f) { \
_v -= 0x20408f; \
*_p++ = 0x90 + (_v >> 24); \
*_p++ = (_v >> 16) & 0xff; \
*_p++ = (_v >> 8) & 0xff; \
*_p++ = _v & 0xff; \
} else { \
*_p++ = 0x8f; \
memcpy(_p, &_v, sizeof(uint32_t));\
_p += sizeof(uint32_t); \
} \
p = _p; \
} while (0)

Definition at line 378 of file io.h.

#define GRN_B_ENC_SIZE (   v)    ((v) < 0x8f ? 1 : ((v) < 0x408f ? 2 : ((v) < 0x20408f ? 3 : ((v) < 0x1020408f ? 4 : 5))))

Definition at line 406 of file io.h.

#define GRN_B_SKIP (   p)
Value:
do { \
uint8_t *_p = (uint8_t *)p; \
uint32_t _v = *_p++; \
switch (_v >> 4) { \
case 0x08 : \
if (_v == 0x8f) { \
_p += sizeof(uint32_t); \
} \
break; \
case 0x09 : \
_p += 3; \
break; \
case 0x0a : \
case 0x0b : \
_p += 2; \
break; \
case 0x0c : \
case 0x0d : \
case 0x0e : \
case 0x0f : \
_p += 1; \
break; \
} \
p = _p; \
} while (0)

Definition at line 440 of file io.h.

#define GRN_IO_ARRAY_AT (   io,
  array,
  offset,
  flags,
  res 
)
Value:
do {\
grn_io_array_info *ainfo = &(io)->ainfo[array];\
uint32_t lseg = (offset) >> ainfo->w_of_elm_in_a_segment;\
void **p_ = &ainfo->addrs[lseg];\
if (!*p_) {\
grn_io_segment_alloc(ctx, (io), ainfo, lseg, (flags), p_);\
if (!*p_) { (res) = NULL; break; }\
}\
*((byte **)(&(res))) = (((byte *)*p_) + \
(((offset) & ainfo->elm_mask_in_a_segment) * ainfo->element_size));\
} while (0)

Definition at line 324 of file io.h.

#define GRN_IO_ARRAY_BIT_AT (   io,
  array,
  offset,
  res 
)
Value:
do {\
uint8_t *ptr_;\
int flags_ = 0;\
GRN_IO_ARRAY_AT((io), (array), ((offset) >> 3) + 1, &flags_, ptr_);\
res = ptr_ ? ((*ptr_ >> ((offset) & 7)) & 1) : 0;\
} while (0)

Definition at line 336 of file io.h.

#define GRN_IO_ARRAY_BIT_FLIP (   io,
  array,
  offset 
)
Value:
do {\
uint8_t *ptr_;\
int flags_ = GRN_TABLE_ADD;\
GRN_IO_ARRAY_AT((io), (array), ((offset) >> 3) + 1, &flags_, ptr_);\
if (ptr_) { *ptr_ ^= (1 << ((offset) & 7)); }\
} while (0)

Definition at line 357 of file io.h.

#define GRN_IO_ARRAY_BIT_OFF (   io,
  array,
  offset 
)
Value:
do {\
uint8_t *ptr_;\
int flags_ = GRN_TABLE_ADD;\
GRN_IO_ARRAY_AT((io), (array), ((offset) >> 3) + 1, &flags_, ptr_);\
if (ptr_) { *ptr_ &= ~(1 << ((offset) & 7)); }\
} while (0)

Definition at line 350 of file io.h.

#define GRN_IO_ARRAY_BIT_ON (   io,
  array,
  offset 
)
Value:
do {\
uint8_t *ptr_;\
int flags_ = GRN_TABLE_ADD;\
GRN_IO_ARRAY_AT((io), (array), ((offset) >> 3) + 1, &flags_, ptr_);\
if (ptr_) { *ptr_ |= (1 << ((offset) & 7)); }\
} while (0)

Definition at line 343 of file io.h.

#define GRN_IO_COPY   grn_io_rdwr

Definition at line 42 of file io.h.

#define GRN_IO_EXPIRE_GTICK   (0x01)

Definition at line 173 of file io.h.

#define GRN_IO_EXPIRE_SEGMENT   (0x02)

Definition at line 174 of file io.h.

#define GRN_IO_FILE_SIZE   1073741824UL

Definition at line 41 of file io.h.

#define GRN_IO_MAX_REF   (0x80000000)

Definition at line 171 of file io.h.

#define GRN_IO_MAX_RETRY   (0x10000)

Definition at line 170 of file io.h.

#define GRN_IO_SEG_REF (   io,
  segno,
  addr 
)

Definition at line 184 of file io.h.

#define GRN_IO_SEG_UNREF (   io,
  segno 
)
Value:
do {\
if (GRN_IO_EXPIRE_SEGMENT ==\
(io->flags & (GRN_IO_EXPIRE_GTICK|GRN_IO_EXPIRE_SEGMENT))) {\
uint32_t nref, *pnref = &(io)->maps[segno].nref;\
GRN_ATOMIC_ADD_EX(pnref, -1, nref);\
}\
} while (0)

Definition at line 283 of file io.h.

#define GRN_IO_TEMPORARY   (0x04)

Definition at line 175 of file io.h.

#define GRN_IO_UPDATE   grn_io_rdwr

Definition at line 43 of file io.h.

#define GRN_TABLE_ADD   (0x01<<6)

Definition at line 167 of file io.h.

#define GRN_TABLE_ADDED   (0x01<<7)

Definition at line 168 of file io.h.

Typedef Documentation

typedef struct _grn_io grn_io

Definition at line 59 of file io.h.

typedef struct _grn_io_array_info grn_io_array_info

Definition at line 89 of file io.h.

typedef struct _grn_io_array_spec grn_io_array_spec

Definition at line 294 of file io.h.

typedef struct _grn_io_ja_ehead grn_io_ja_ehead

Definition at line 145 of file io.h.

typedef struct _grn_io_ja_einfo grn_io_ja_einfo

Definition at line 144 of file io.h.

Enumeration Type Documentation

enum grn_io_mode
Enumerator:
grn_io_auto 
grn_io_manual 

Definition at line 52 of file io.h.

enum grn_io_rw_mode
Enumerator:
grn_io_rdonly 
grn_io_wronly 
grn_io_rdwr 

Definition at line 46 of file io.h.

Function Documentation

uint32_t grn_expire ( grn_ctx *  ctx,
int  count_thresh,
uint32_t  limit 
)

Definition at line 1428 of file io.c.

void* grn_io_anon_map ( grn_ctx *  ctx,
grn_io_mapinfo *  mi,
size_t  length 
)

Definition at line 1451 of file io.c.

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void grn_io_anon_unmap ( grn_ctx *  ctx,
grn_io_mapinfo *  mi,
size_t  length 
)

Definition at line 1457 of file io.c.

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void* grn_io_array_at ( grn_ctx *  ctx,
grn_io *  io,
uint32_t  array,
off_t  offset,
int *  flags 
)

Definition at line 390 of file io.c.

uint32_t grn_io_base_seg ( grn_io *  io)

Definition at line 545 of file io.c.

void grn_io_clear_lock ( grn_io *  io)

Definition at line 1516 of file io.c.

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GRN_API grn_rc grn_io_close ( grn_ctx *  ctx,
grn_io *  io 
)

Definition at line 502 of file io.c.

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GRN_API grn_io* grn_io_create ( grn_ctx *  ctx,
const char *  path,
uint32_t  header_size,
uint32_t  segment_size,
uint32_t  max_segment,
grn_io_mode  mode,
unsigned int  flags 
)
grn_io* grn_io_create_with_array ( grn_ctx *  ctx,
const char *  path,
uint32_t  header_size,
uint32_t  segment_size,
grn_io_mode  mode,
int  n_arrays,
grn_io_array_spec *  array_specs 
)

Definition at line 304 of file io.c.

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uint32_t grn_io_detect_type ( grn_ctx *  ctx,
const char *  path 
)

Definition at line 398 of file io.c.

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uint32_t grn_io_expire ( grn_ctx *  ctx,
grn_io *  io,
int  count_thresh,
uint32_t  limit 
)

Definition at line 1353 of file io.c.

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grn_rc grn_io_fin ( void  )

Definition at line 103 of file io.c.

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uint32_t grn_io_get_type ( grn_io *  io)

Definition at line 573 of file io.c.

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GRN_API void* grn_io_header ( grn_io *  io)

Definition at line 557 of file io.c.

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grn_rc grn_io_init ( void  )

Definition at line 97 of file io.c.

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uint32_t grn_io_is_locked ( grn_io *  io)

Definition at line 1522 of file io.c.

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GRN_API grn_rc grn_io_lock ( grn_ctx *  ctx,
grn_io *  io,
int  timeout 
)

Definition at line 1467 of file io.c.

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grn_io* grn_io_open ( grn_ctx *  ctx,
const char *  path,
grn_io_mode  mode 
)

Definition at line 426 of file io.c.

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const char* grn_io_path ( grn_io *  io)

Definition at line 551 of file io.c.

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grn_rc grn_io_read_ja ( grn_io *  io,
grn_ctx *  ctx,
grn_io_ja_einfo *  einfo,
uint32_t  epos,
uint32_t  key,
uint32_t  segment,
uint32_t  offset,
void **  value,
uint32_t *  value_len 
)

Definition at line 681 of file io.c.

grn_rc grn_io_remove ( grn_ctx *  ctx,
const char *  path 
)

Definition at line 623 of file io.c.

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grn_rc grn_io_rename ( grn_ctx *  ctx,
const char *  old_name,
const char *  new_name 
)

Definition at line 648 of file io.c.

void grn_io_seg_map_ ( grn_ctx *  ctx,
grn_io *  io,
uint32_t  segno,
grn_io_mapinfo *  info 
)

Definition at line 1304 of file io.c.

void grn_io_segment_alloc ( grn_ctx *  ctx,
grn_io *  io,
grn_io_array_info *  ai,
uint32_t  lseg,
int *  flags,
void **  p 
)

Definition at line 372 of file io.c.

grn_rc grn_io_set_type ( grn_io *  io,
uint32_t  type 
)

Definition at line 563 of file io.c.

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grn_rc grn_io_size ( grn_ctx *  ctx,
grn_io *  io,
uint64_t *  size 
)

Definition at line 594 of file io.c.

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GRN_API void grn_io_unlock ( grn_io *  io)

Definition at line 1507 of file io.c.

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void* grn_io_win_map ( grn_io *  io,
grn_ctx *  ctx,
grn_io_win *  iw,
uint32_t  segment,
uint32_t  offset,
uint32_t  size,
grn_io_rw_mode  mode 
)

Definition at line 856 of file io.c.

void* grn_io_win_map2 ( grn_io *  io,
grn_ctx *  ctx,
grn_io_win *  iw,
uint32_t  segment,
uint32_t  offset,
uint32_t  size,
grn_io_rw_mode  mode 
)

Definition at line 1175 of file io.c.

grn_rc grn_io_win_mapv ( grn_io_win **  list,
grn_ctx *  ctx,
int  nent 
)
grn_rc grn_io_win_unmap ( grn_io_win *  iw)

Definition at line 1098 of file io.c.

grn_rc grn_io_win_unmap2 ( grn_io_win *  iw)

Definition at line 1231 of file io.c.

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grn_rc grn_io_write_ja ( grn_io *  io,
grn_ctx *  ctx,
uint32_t  key,
uint32_t  segment,
uint32_t  offset,
void *  value,
uint32_t  value_len 
)

Definition at line 776 of file io.c.

grn_rc grn_io_write_ja_ehead ( grn_io *  io,
grn_ctx *  ctx,
uint32_t  key,
uint32_t  segment,
uint32_t  offset,
uint32_t  value_len 
)

Definition at line 831 of file io.c.

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