grn_ra *
grn_ra_open(grn_ctx *ctx, const char *path)
{
grn_io *io;
int n_elm, w_elm;
grn_ra *ra = NULL;
struct grn_ra_header *header;
io = grn_io_open(ctx, path, grn_io_auto);
if (!io) { return NULL; }
header = grn_io_header(io);
if (grn_io_get_type(io) != GRN_COLUMN_FIX_SIZE) {
ERR(GRN_INVALID_FORMAT, "file type unmatch");
grn_io_close(ctx, io);
return NULL;
}
if (!(ra = GRN_GMALLOC(sizeof(grn_ra)))) {
grn_io_close(ctx, io);
return NULL;
}
n_elm = GRN_RA_SEGMENT_SIZE / header->element_size;
for (w_elm = 22; (1 << w_elm) > n_elm; w_elm--);
GRN_DB_OBJ_SET_TYPE(ra, GRN_COLUMN_FIX_SIZE);
ra->io = io;
ra->header = header;
ra->element_mask = n_elm - 1;
ra->element_width = w_elm;
return ra;
}
grn_ja *
grn_ja_create(grn_ctx *ctx, const char *path, unsigned int max_element_size, uint32_t flags)
{
int i;
grn_io *io;
grn_ja *ja = NULL;
struct grn_ja_header *header;
io = grn_io_create(ctx, path, sizeof(struct grn_ja_header),
JA_SEGMENT_SIZE, JA_N_DSEGMENTS, grn_io_auto,
GRN_IO_EXPIRE_SEGMENT);
if (!io) { return NULL; }
grn_io_set_type(io, GRN_COLUMN_VAR_SIZE);
header = grn_io_header(io);
header->curr_pos = JA_SEGMENT_SIZE;
header->flags = flags;
for (i = 0; i < JA_N_ESEGMENTS; i++) { header->esegs[i] = JA_ESEG_VOID; }
if (!(ja = GRN_GMALLOC(sizeof(grn_ja)))) {
grn_io_close(ctx, io);
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ja, GRN_COLUMN_VAR_SIZE);
ja->io = io;
ja->header = header;
header->max_element_size = max_element_size;
SEGMENTS_EINFO_ON(ja, 0, 0);
header->esegs[0] = 0;
return ja;
}
grn_ra *
grn_ra_create(grn_ctx *ctx, const char *path, unsigned int element_size)
{
grn_io *io;
int max_segments, n_elm, w_elm;
grn_ra *ra = NULL;
struct grn_ra_header *header;
unsigned actual_size;
if (element_size > GRN_RA_SEGMENT_SIZE) {
GRN_LOG(ctx, GRN_LOG_ERROR, "element_size too large (%d)", element_size);
return NULL;
}
for (actual_size = 1; actual_size < element_size; actual_size *= 2) ;
max_segments = ((GRN_ID_MAX + 1) / GRN_RA_SEGMENT_SIZE) * actual_size;
io = grn_io_create(ctx, path, sizeof(struct grn_ra_header),
GRN_RA_SEGMENT_SIZE, max_segments, grn_io_auto,
GRN_IO_EXPIRE_SEGMENT);
if (!io) { return NULL; }
header = grn_io_header(io);
grn_io_set_type(io, GRN_COLUMN_FIX_SIZE);
header->element_size = actual_size;
if (!(ra = GRN_GMALLOC(sizeof(grn_ra)))) {
grn_io_close(ctx, io);
return NULL;
}
n_elm = GRN_RA_SEGMENT_SIZE / header->element_size;
for (w_elm = 22; (1 << w_elm) > n_elm; w_elm--);
GRN_DB_OBJ_SET_TYPE(ra, GRN_COLUMN_FIX_SIZE);
ra->io = io;
ra->header = header;
ra->element_mask = n_elm - 1;
ra->element_width = w_elm;
return ra;
}
grn_ra *
grn_ra_create(grn_ctx *ctx, const char *path, unsigned int element_size)
{
grn_ra *ra = NULL;
if (!(ra = GRN_GMALLOC(sizeof(grn_ra)))) {
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ra, GRN_COLUMN_FIX_SIZE);
if (!_grn_ra_create(ctx, ra, path, element_size)) {
GRN_FREE(ra);
return NULL;
}
return ra;
}
grn_ja *
grn_ja_create(grn_ctx *ctx, const char *path, unsigned int max_element_size, uint32_t flags)
{
grn_ja *ja = NULL;
if (!(ja = GRN_GMALLOC(sizeof(grn_ja)))) {
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ja, GRN_COLUMN_VAR_SIZE);
if (!_grn_ja_create(ctx, ja, path, max_element_size, flags)) {
GRN_FREE(ja);
return NULL;
}
return ja;
}
grn_ja *
grn_ja_open(grn_ctx *ctx, const char *path)
{
grn_io *io;
grn_ja *ja = NULL;
struct grn_ja_header *header;
io = grn_io_open(ctx, path, grn_io_auto);
if (!io) { return NULL; }
header = grn_io_header(io);
if (grn_io_get_type(io) != GRN_COLUMN_VAR_SIZE) {
ERR(GRN_INVALID_FORMAT, "file type unmatch");
grn_io_close(ctx, io);
return NULL;
}
if (!(ja = GRN_GMALLOC(sizeof(grn_ja)))) {
grn_io_close(ctx, io);
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ja, GRN_COLUMN_VAR_SIZE);
ja->io = io;
ja->header = header;
return ja;
}
