/
ctx.c
1844 lines (1725 loc) · 47.5 KB
/
ctx.c
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/* -*- c-basic-offset: 2 -*- */
/* Copyright(C) 2009 Brazil
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "groonga_in.h"
#include <string.h>
#include "token.h"
#include "ql.h"
#include "pat.h"
#include "snip.h"
#include <stdarg.h>
#include <stdio.h>
#include <time.h>
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif /* HAVE_NETINET_IN_H */
#define GRN_CTX_INITIALIZER(enc) \
{ GRN_SUCCESS, 0, enc, 0, GRN_LOG_NOTICE,\
GRN_CTX_FIN, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL }
#define GRN_CTX_CLOSED(ctx) ((ctx)->stat == GRN_CTX_FIN)
grn_ctx grn_gctx = GRN_CTX_INITIALIZER(GRN_ENC_DEFAULT);
int grn_pagesize;
grn_mutex grn_glock;
uint32_t grn_gtick;
#ifdef USE_UYIELD
int grn_uyield_count = 0;
#endif
/* fixme by 2038 */
grn_rc
grn_timeval_now(grn_ctx *ctx, grn_timeval *tv)
{
#ifdef WIN32
time_t t;
struct _timeb tb;
time(&t);
_ftime(&tb);
tv->tv_sec = (int32_t) t;
tv->tv_usec = tb.millitm * 1000;
return GRN_SUCCESS;
#else /* WIN32 */
struct timeval t;
if (gettimeofday(&t, NULL)) {
SERR("gettimeofday");
} else {
tv->tv_sec = (int32_t) t.tv_sec;
tv->tv_usec = t.tv_usec;
}
return ctx->rc;
#endif /* WIN32 */
}
grn_rc
grn_timeval2str(grn_ctx *ctx, grn_timeval *tv, char *buf)
{
struct tm *ltm;
#ifdef WIN32
time_t tvsec = (time_t) tv->tv_sec;
ltm = localtime(&tvsec);
#else /* WIN32 */
struct tm tm;
time_t t = tv->tv_sec;
ltm = localtime_r(&t, &tm);
#endif /* WIN32 */
if (!ltm) { SERR("localtime"); }
snprintf(buf, GRN_TIMEVAL_STR_SIZE - 1, GRN_TIMEVAL_STR_FORMAT,
ltm->tm_year + 1900, ltm->tm_mon + 1, ltm->tm_mday,
ltm->tm_hour, ltm->tm_min, ltm->tm_sec, (int) tv->tv_usec);
buf[GRN_TIMEVAL_STR_SIZE - 1] = '\0';
return ctx->rc;
}
grn_rc
grn_str2timeval(const char *str, uint32_t str_len, grn_timeval *tv)
{
struct tm tm;
const char *r1, *r2, *rend = str + str_len;
uint32_t uv;
memset(&tm, 0, sizeof(struct tm));
tm.tm_year = (int)grn_atoui(str, rend, &r1) - 1900;
if ((r1 + 1) >= rend || (*r1 != '/' && *r1 != '-') ||
tm.tm_year < 0) { return GRN_INVALID_ARGUMENT; }
r1++;
tm.tm_mon = (int)grn_atoui(r1, rend, &r1) - 1;
if ((r1 + 1) >= rend || (*r1 != '/' && *r1 != '-') ||
tm.tm_mon < 0 || tm.tm_mon >= 12) { return GRN_INVALID_ARGUMENT; }
r1++;
tm.tm_mday = (int)grn_atoui(r1, rend, &r1);
if ((r1 + 1) >= rend || *r1 != ' ' ||
tm.tm_mday < 1 || tm.tm_mday > 31) { return GRN_INVALID_ARGUMENT; }
tm.tm_hour = (int)grn_atoui(++r1, rend, &r2);
if ((r2 + 1) >= rend || r1 == r2 || *r2 != ':' ||
tm.tm_hour < 0 || tm.tm_hour >= 24) {
return GRN_INVALID_ARGUMENT;
}
r1 = r2 + 1;
tm.tm_min = (int)grn_atoui(r1, rend, &r2);
if ((r2 + 1) >= rend || r1 == r2 || *r2 != ':' ||
tm.tm_min < 0 || tm.tm_min >= 60) {
return GRN_INVALID_ARGUMENT;
}
r1 = r2 + 1;
tm.tm_sec = (int)grn_atoui(r1, rend, &r2);
if (r1 == r2 ||
tm.tm_sec < 0 || tm.tm_sec > 61 /* leap 2sec */) {
return GRN_INVALID_ARGUMENT;
}
r1 = r2;
if ((tv->tv_sec = (int32_t) mktime(&tm)) == -1) { return GRN_INVALID_ARGUMENT; }
if ((r1 + 1) < rend && *r1 == '.') { r1++; }
uv = grn_atoi(r1, rend, &r2);
while (r2 < r1 + 6) {
uv *= 10;
r2++;
}
if (uv >= 1000000) { return GRN_INVALID_ARGUMENT; }
tv->tv_usec = uv;
return GRN_SUCCESS;
}
#ifdef USE_FAIL_MALLOC
int grn_fmalloc_prob = 0;
char *grn_fmalloc_func = NULL;
char *grn_fmalloc_file = NULL;
int grn_fmalloc_line = 0;
#endif /* USE_FAIL_MALLOC */
#define N_SEGMENTS 512
#define SEGMENT_SIZE (1<<22)
#define SEGMENT_MASK (SEGMENT_SIZE - 1)
#define SEGMENT_WORD (1<<31)
#define SEGMENT_VLEN (1<<30)
#define SEGMENT_LIFO (1<<29)
#ifdef USE_DYNAMIC_MALLOC_CHANGE
static void
grn_ctx_impl_init_malloc(grn_ctx *ctx)
{
# ifdef USE_FAIL_MALLOC
ctx->impl->malloc_func = grn_malloc_fail;
ctx->impl->calloc_func = grn_calloc_fail;
ctx->impl->realloc_func = grn_realloc_fail;
ctx->impl->strdup_func = grn_strdup_fail;
# else
ctx->impl->malloc_func = grn_malloc_default;
ctx->impl->calloc_func = grn_calloc_default;
ctx->impl->realloc_func = grn_realloc_default;
ctx->impl->strdup_func = grn_strdup_default;
# endif
}
#endif
static void
grn_ctx_impl_init(grn_ctx *ctx)
{
if (!(ctx->impl = GRN_MALLOC(sizeof(struct _grn_ctx_impl)))) { return; }
if (!(ctx->impl->segs = grn_io_anon_map(ctx, &ctx->impl->mi,
sizeof(grn_io_mapinfo) * N_SEGMENTS))) {
GRN_FREE(ctx->impl);
ctx->impl = NULL;
return;
}
#ifdef USE_DYNAMIC_MALLOC_CHANGE
grn_ctx_impl_init_malloc(ctx);
#endif
if (!(ctx->impl->values = grn_array_create(ctx, NULL, sizeof(grn_tmp_db_obj),
GRN_ARRAY_TINY))) {
grn_io_anon_unmap(ctx, &ctx->impl->mi, sizeof(grn_io_mapinfo) * N_SEGMENTS);
GRN_FREE(ctx->impl);
ctx->impl = NULL;
return;
}
ctx->impl->encoding = ctx->encoding;
ctx->impl->lifoseg = -1;
ctx->impl->currseg = -1;
ctx->impl->db = NULL;
ctx->impl->qe = NULL;
ctx->impl->phs = NIL;
ctx->impl->code = NIL;
ctx->impl->dump = NIL;
ctx->impl->op = GRN_OP_T0LVL;
ctx->impl->args = NIL;
ctx->impl->envir = NIL;
ctx->impl->value = NIL;
ctx->impl->ncells = 0;
ctx->impl->n_entries = 0;
ctx->impl->seqno = 0;
ctx->impl->lseqno = 0;
ctx->impl->nbinds = 0;
ctx->impl->nunbinds = 0;
ctx->impl->feed_mode = grn_ql_atonce;
ctx->impl->cur = NULL;
ctx->impl->str_end = NULL;
ctx->impl->batchmode = 0;
ctx->impl->gc_verbose = 0;
ctx->impl->inbuf = NULL;
ctx->impl->co.mode = 0;
ctx->impl->co.func = NULL;
ctx->impl->objects = NULL;
ctx->impl->symbols = NULL;
ctx->impl->com = NULL;
ctx->impl->outbuf = grn_obj_open(ctx, GRN_BULK, 0, 0);
GRN_TEXT_INIT(&ctx->impl->subbuf);
}
void
grn_ctx_impl_err(grn_ctx *ctx)
{
if (ctx->impl) {
ctx->impl->cur = ctx->impl->str_end;
ctx->impl->op = GRN_OP_ERR0;
}
}
static void
grn_ctx_ql_init(grn_ctx *ctx, int flags)
{
if (!ctx->impl) {
grn_ctx_impl_init(ctx);
if (ERRP(ctx, GRN_ERROR)) { return; }
}
if (flags & GRN_CTX_BATCH_MODE) { ctx->impl->batchmode = 1; }
if ((ctx->impl->objects = grn_array_create(ctx, NULL, sizeof(grn_cell),
GRN_ARRAY_TINY))) {
if ((ctx->impl->symbols = grn_hash_create(ctx, NULL, GRN_TABLE_MAX_KEY_SIZE,
sizeof(grn_cell),
GRN_OBJ_KEY_VAR_SIZE|GRN_HASH_TINY))) {
if (!ERRP(ctx, GRN_ERROR)) {
grn_ql_init_globals(ctx);
if (!ERRP(ctx, GRN_ERROR)) {
return;
}
}
grn_hash_close(ctx, ctx->impl->symbols);
ctx->impl->symbols = NULL;
} else {
MERR("ctx->impl->symbols init failed");
}
grn_array_close(ctx, ctx->impl->objects);
ctx->impl->objects = NULL;
} else {
MERR("ctx->impl->objects init failed");
}
}
grn_rc
grn_ctx_init(grn_ctx *ctx, int flags)
{
if (!ctx) { return GRN_INVALID_ARGUMENT; }
// if (ctx->stat != GRN_QL_FIN) { return GRN_INVALID_ARGUMENT; }
ERRCLR(ctx);
ctx->flags = flags;
ctx->stat = GRN_QL_WAIT_EXPR;
ctx->encoding = grn_gctx.encoding;
ctx->seqno = 0;
ctx->seqno2 = 0;
ctx->subno = 0;
ctx->impl = NULL;
if (flags & GRN_CTX_USE_QL) {
grn_ctx_ql_init(ctx, flags);
if (ERRP(ctx, GRN_ERROR)) { return ctx->rc; }
}
MUTEX_LOCK(grn_glock);
ctx->next = grn_gctx.next;
ctx->prev = &grn_gctx;
grn_gctx.next->prev = ctx;
grn_gctx.next = ctx;
MUTEX_UNLOCK(grn_glock);
return ctx->rc;
}
grn_rc
grn_ctx_fin(grn_ctx *ctx)
{
grn_rc rc = GRN_SUCCESS;
if (!ctx) { return GRN_INVALID_ARGUMENT; }
if (ctx->stat == GRN_QL_FIN) { return GRN_INVALID_ARGUMENT; }
MUTEX_LOCK(grn_glock);
ctx->next->prev = ctx->prev;
ctx->prev->next = ctx->next;
MUTEX_UNLOCK(grn_glock);
if (ctx->impl) {
grn_ctx_qe_fin(ctx);
if (ctx->impl->objects) {
grn_cell *o;
GRN_ARRAY_EACH(ctx->impl->objects, 0, 0, id, &o, {
grn_cell_clear(ctx, o);
});
grn_array_close(ctx, ctx->impl->objects);
}
if (ctx->impl->values) {
grn_tmp_db_obj *o;
GRN_ARRAY_EACH(ctx->impl->values, 0, 0, id, &o, {
grn_obj_close(ctx, (grn_obj *)o->obj);
});
grn_array_close(ctx, ctx->impl->values);
}
if (ctx->impl->symbols) {
grn_hash_close(ctx, ctx->impl->symbols);
}
if (ctx->impl->com) {
if (ctx->stat != GRN_QL_QUIT) {
int flags;
char *str;
unsigned int str_len;
grn_ql_send(ctx, "(quit)", 6, GRN_QL_HEAD);
grn_ql_recv(ctx, &str, &str_len, &flags);
}
grn_ql_send(ctx, "ACK", 3, GRN_QL_HEAD);
rc = grn_com_close(ctx, ctx->impl->com);
}
rc = grn_obj_close(ctx, ctx->impl->outbuf);
rc = grn_bulk_fin(ctx, &ctx->impl->subbuf);
{
int i;
grn_io_mapinfo *mi;
for (i = 0, mi = ctx->impl->segs; i < N_SEGMENTS; i++, mi++) {
if (mi->map) {
if (mi->count & SEGMENT_VLEN) {
grn_io_anon_unmap(ctx, mi, mi->nref * grn_pagesize);
} else {
grn_io_anon_unmap(ctx, mi, SEGMENT_SIZE);
}
}
}
}
grn_io_anon_unmap(ctx, &ctx->impl->mi, sizeof(grn_io_mapinfo) * N_SEGMENTS);
GRN_FREE(ctx->impl);
}
ctx->stat = GRN_QL_FIN;
return rc;
}
grn_rc
grn_init(void)
{
grn_rc rc;
grn_ctx *ctx = &grn_gctx;
MUTEX_INIT(grn_glock);
grn_gtick = 0;
grn_ql_init_const();
ctx->next = ctx;
ctx->prev = ctx;
grn_ctx_init(ctx, 0);
ctx->encoding = grn_strtoenc(GROONGA_DEFAULT_ENCODING);
#ifdef WIN32
{
SYSTEM_INFO si;
GetSystemInfo(&si);
grn_pagesize = si.dwAllocationGranularity;
}
#else /* WIN32 */
if ((grn_pagesize = sysconf(_SC_PAGESIZE)) == -1) {
SERR("_SC_PAGESIZE");
return ctx->rc;
}
#endif /* WIN32 */
if (grn_pagesize & (grn_pagesize - 1)) {
GRN_LOG(ctx, GRN_LOG_CRIT, "pagesize=%x", grn_pagesize);
}
// expand_stack();
#ifdef USE_AIO
if (getenv("GRN_DEBUG_PRINT")) {
grn_debug_print = atoi(getenv("GRN_DEBUG_PRINT"));
} else {
grn_debug_print = 0;
}
if (getenv("GRN_AIO_ENABLED")) {
grn_aio_enabled = atoi(getenv("GRN_AIO_ENABLED"));
} else {
grn_aio_enabled = 0;
}
if (grn_aio_enabled) {
GRN_LOG(ctx, GRN_LOG_NOTICE, "AIO and DIO enabled");
grn_cache_open();
}
#endif /* USE_AIO */
#ifdef USE_FAIL_MALLOC
if (getenv("GRN_FMALLOC_PROB")) {
grn_fmalloc_prob = strtod(getenv("GRN_FMALLOC_PROB"), 0) * RAND_MAX;
if (getenv("GRN_FMALLOC_SEED")) {
srand((unsigned int)atoi(getenv("GRN_FMALLOC_SEED")));
} else {
srand((unsigned int)time(NULL));
}
}
if (getenv("GRN_FMALLOC_FUNC")) {
grn_fmalloc_func = getenv("GRN_FMALLOC_FUNC");
}
if (getenv("GRN_FMALLOC_FILE")) {
grn_fmalloc_file = getenv("GRN_FMALLOC_FILE");
}
if (getenv("GRN_FMALLOC_LINE")) {
grn_fmalloc_line = atoi(getenv("GRN_FMALLOC_LINE"));
}
#endif /* USE_FAIL_MALLOC */
if ((rc = grn_token_init())) {
GRN_LOG(ctx, GRN_LOG_ALERT, "grn_token_init failed (%d)", rc);
return rc;
}
if ((rc = grn_com_init())) {
GRN_LOG(ctx, GRN_LOG_ALERT, "grn_com_init failed (%d)", rc);
return rc;
}
grn_ctx_ql_init(ctx, 0);
if ((rc = ctx->rc)) {
GRN_LOG(ctx, GRN_LOG_ALERT, "gctx initialize failed (%d)", rc);
return rc;
}
if ((rc = grn_io_init())) {
GRN_LOG(ctx, GRN_LOG_ALERT, "io initialize failed (%d)", rc);
return rc;
}
/*
if ((rc = grn_index_init())) {
GRN_LOG(ctx, GRN_LOG_ALERT, "index initialize failed (%d)", rc);
return rc;
}
*/
GRN_LOG(ctx, GRN_LOG_NOTICE, "grn_init");
return rc;
}
grn_encoding
grn_get_default_encoding(void)
{
return grn_gctx.encoding;
}
grn_rc
grn_set_default_encoding(grn_encoding encoding)
{
switch (encoding) {
case GRN_ENC_DEFAULT :
grn_gctx.encoding = grn_strtoenc(GROONGA_DEFAULT_ENCODING);
return GRN_SUCCESS;
case GRN_ENC_NONE :
case GRN_ENC_EUC_JP :
case GRN_ENC_UTF8 :
case GRN_ENC_SJIS :
case GRN_ENC_LATIN1 :
case GRN_ENC_KOI8R :
grn_gctx.encoding = encoding;
return GRN_SUCCESS;
default :
return GRN_INVALID_ARGUMENT;
}
}
static int alloc_count = 0;
grn_rc
grn_fin(void)
{
grn_ctx *ctx = &grn_gctx;
grn_rc rc = GRN_SUCCESS;
grn_io_fin();
grn_ctx_fin(ctx);
grn_token_fin();
grn_com_fin();
GRN_LOG(ctx, GRN_LOG_NOTICE, "grn_fin (%d)", alloc_count);
grn_logger_fin();
MUTEX_DESTROY(grn_glock);
return rc;
}
/*
grn_ctx *
grn_ctx_open(grn_obj *db, int flags)
{
grn_ctx *ctx = GRN_GMALLOCN(grn_ctx, 1);
if (ctx) {
grn_ctx_init(ctx, flags);
if (ERRP(ctx, GRN_ERROR)) {
grn_ctx_close(ctx);
return NULL;
}
if (ctx->impl && (ctx->impl->db = db) && ctx->impl->symbols) {
if (grn_ql_def_db_funcs(ctx)) {
grn_ctx_close(ctx);
return NULL;
}
}
}
return ctx;
}
*/
grn_rc
grn_ql_connect(grn_ctx *ctx, const char *host, int port, int flags)
{
if (!ctx->impl) { grn_ctx_impl_init(ctx); }
if (!ctx->impl) { return ctx->rc; }
{
grn_com *com = grn_com_copen(ctx, NULL, host, port);
if (com) {
ctx->impl->com = com;
return GRN_SUCCESS;
}
}
return ctx->rc;
}
grn_rc
grn_ctx_close(grn_ctx *ctx)
{
grn_rc rc = grn_ctx_fin(ctx);
GRN_GFREE(ctx);
return rc;
}
grn_obj *grn_ctx_qe_exec(grn_ctx *ctx, const char *str, uint32_t str_size);
grn_rc
grn_ql_send(grn_ctx *ctx, char *str, unsigned int str_len, int flags)
{
if (!ctx) { return GRN_INVALID_ARGUMENT; }
ERRCLR(ctx);
if (ctx->impl) {
if (ctx->impl->com) {
grn_rc rc;
grn_com_header sheader;
if ((flags & GRN_QL_MORE)) { flags |= GRN_QL_QUIET; }
if (ctx->stat == GRN_QL_QUIT) { flags |= GRN_QL_QUIT; }
sheader.proto = GRN_COM_PROTO_GQTP;
sheader.qtype = 0;
sheader.keylen = 0;
sheader.level = 0;
sheader.flags = flags;
sheader.status = 0;
sheader.opaque = 0;
sheader.cas = 0;
if ((rc = grn_com_send(ctx, ctx->impl->com, &sheader, (char *)str, str_len, 0))) {
ERR(rc, "grn_com_send failed");
}
goto exit;
} else {
if (ctx->impl->symbols) {
if (str_len && *str == '/') {
grn_ctx_qe_exec(ctx, str, str_len);
} else {
grn_ql_feed(ctx, str, str_len, flags);
}
if (ctx->stat == GRN_QL_QUITTING) { ctx->stat = GRN_QL_QUIT; }
if (!ERRP(ctx, GRN_CRIT)) {
if (!(flags & GRN_QL_QUIET) && ctx->impl->output) {
ctx->impl->output(ctx, 0, ctx->impl->data.ptr);
}
}
goto exit;
}
}
}
ERR(GRN_INVALID_ARGUMENT, "invalid ctx assigned");
exit :
return ctx->rc;
}
grn_rc
grn_ql_recv(grn_ctx *ctx, char **str, unsigned int *str_len, int *flags)
{
if (!ctx) { return GRN_INVALID_ARGUMENT; }
ERRCLR(ctx);
if (ctx->stat == GRN_QL_QUIT) {
*flags = GRN_QL_QUIT;
return ctx->rc;
}
if (ctx->impl) {
if (ctx->impl->com) {
grn_com_header header;
if (grn_com_recv(ctx, ctx->impl->com, &header, ctx->impl->outbuf)) {
*str = NULL;
*str_len = 0;
*flags = 0;
} else {
*str = GRN_BULK_HEAD(ctx->impl->outbuf);
*str_len = GRN_BULK_VSIZE(ctx->impl->outbuf);
if (header.flags & GRN_QL_QUIT) {
ctx->stat = GRN_QL_QUIT;
*flags = GRN_QL_QUIT;
} else {
*flags = (header.flags & GRN_QL_TAIL) ? 0 : GRN_QL_MORE;
}
}
if (ctx->rc) {
ERR(ctx->rc, "grn_com_recv failed!");
}
goto exit;
} else {
if (ctx->impl->symbols) {
grn_obj *buf = ctx->impl->outbuf;
unsigned int head, tail;
unsigned int *offsets = (unsigned int *) ctx->impl->subbuf.u.b.head;
int npackets = GRN_BULK_VSIZE(&ctx->impl->subbuf) / sizeof(unsigned int);
if (npackets < ctx->impl->bufcur) { return GRN_INVALID_ARGUMENT; }
head = ctx->impl->bufcur ? offsets[ctx->impl->bufcur - 1] : 0;
tail = ctx->impl->bufcur < npackets ? offsets[ctx->impl->bufcur] : GRN_BULK_VSIZE(buf);
*str = buf->u.b.head + head;
*str_len = tail - head;
*flags = ctx->impl->bufcur++ < npackets ? GRN_QL_MORE : 0;
goto exit;
}
}
}
ERR(GRN_INVALID_ARGUMENT, "invalid ctx assigned");
exit :
return ctx->rc;
}
void
grn_ctx_concat_func(grn_ctx *ctx, int flags, void *dummy)
{
if (ctx && ctx->impl && (flags & GRN_QL_MORE)) {
unsigned int size = GRN_BULK_VSIZE(ctx->impl->outbuf);
grn_bulk_write(ctx, &ctx->impl->subbuf, (char *) &size, sizeof(unsigned int));
}
}
void
grn_ctx_stream_out_func(grn_ctx *ctx, int flags, void *stream)
{
if (ctx && ctx->impl) {
grn_obj *buf = ctx->impl->outbuf;
uint32_t size = GRN_BULK_VSIZE(buf);
if (size) {
fwrite(buf->u.b.head, 1, size, (FILE *)stream);
fputc('\n', (FILE *)stream);
fflush((FILE *)stream);
GRN_BULK_REWIND(buf);
}
}
}
void
grn_ql_recv_handler_set(grn_ctx *ctx, void (*func)(grn_ctx *, int, void *), void *func_arg)
{
if (ctx && ctx->impl) {
ctx->impl->output = func;
ctx->impl->data.ptr = func_arg;
}
}
grn_rc
grn_ql_info_get(grn_ctx *ctx, grn_ql_info *info)
{
if (!ctx || !ctx->impl) { return GRN_INVALID_ARGUMENT; }
if (ctx->impl->com) {
info->fd = ctx->impl->com->fd;
info->com_status = ctx->impl->com_status;
info->outbuf = ctx->impl->outbuf;
info->stat = ctx->stat;
} else {
info->fd = -1;
info->com_status = 0;
info->outbuf = ctx->impl->outbuf;
info->stat = ctx->stat;
}
return GRN_SUCCESS;
}
grn_cell *
grn_get(const char *key)
{
grn_cell *obj;
if (!grn_gctx.impl || !grn_gctx.impl->symbols ||
!grn_hash_add(&grn_gctx, grn_gctx.impl->symbols, key, strlen(key),
(void **) &obj, NULL)) {
GRN_LOG(&grn_gctx, GRN_LOG_WARNING, "grn_get(%s) failed", key);
return F;
}
if (!obj->header.impl_flags) {
obj->header.impl_flags |= GRN_CELL_SYMBOL;
obj->header.type = GRN_VOID;
}
return obj;
}
grn_cell *
grn_at(const char *key)
{
grn_cell *obj;
if (!grn_gctx.impl || grn_gctx.impl->symbols ||
!grn_hash_get(&grn_gctx, grn_gctx.impl->symbols,
key, strlen(key), (void **) &obj)) {
return F;
}
return obj;
}
grn_rc
grn_del(const char *key)
{
if (!grn_gctx.impl || !grn_gctx.impl->symbols) {
GRN_LOG(&grn_gctx, GRN_LOG_WARNING, "grn_del(%s) failed", key);
return GRN_INVALID_ARGUMENT;
}
return grn_hash_delete(&grn_gctx, grn_gctx.impl->symbols, key, strlen(key), NULL);
}
/**** memory allocation ****/
#define ALIGN_SIZE (1<<3)
#define ALIGN_MASK (ALIGN_SIZE-1)
void *
grn_ctx_alloc(grn_ctx *ctx, size_t size, int flags,
const char* file, int line, const char *func)
{
if (!ctx) { return NULL; }
if (!ctx->impl) {
grn_ctx_impl_init(ctx);
if (ERRP(ctx, GRN_ERROR)) { return NULL; }
}
{
int32_t i;
uint64_t *header;
grn_io_mapinfo *mi;
size = ((size + ALIGN_MASK) & ~ALIGN_MASK) + ALIGN_SIZE;
if (size > SEGMENT_SIZE) {
uint64_t npages = (size + (grn_pagesize - 1)) / grn_pagesize;
if (npages >= (1LL<<32)) {
MERR("too long request size=%zu", size);
return NULL;
}
for (i = 0, mi = ctx->impl->segs;; i++, mi++) {
if (i >= N_SEGMENTS) {
MERR("all segments are full");
return NULL;
}
if (!mi->map) { break; }
}
if (!grn_io_anon_map(ctx, mi, npages * grn_pagesize)) { return NULL; }
//GRN_LOG(ctx, GRN_LOG_NOTICE, "map i=%d (%d)", i, npages * grn_pagesize);
mi->nref = (uint32_t) npages;
mi->count = SEGMENT_VLEN;
ctx->impl->currseg = -1;
header = mi->map;
*header = (uint64_t) i;
return &header[1];
} else {
i = ctx->impl->currseg;
mi = &ctx->impl->segs[i];
if (i < 0 || size + mi->nref > SEGMENT_SIZE) {
for (i = 0, mi = ctx->impl->segs;; i++, mi++) {
if (i >= N_SEGMENTS) {
MERR("all segments are full");
return NULL;
}
if (!mi->map) { break; }
}
if (!grn_io_anon_map(ctx, mi, SEGMENT_SIZE)) { return NULL; }
//GRN_LOG(ctx, GRN_LOG_NOTICE, "map i=%d", i);
mi->nref = 0;
mi->count = SEGMENT_WORD;
ctx->impl->currseg = i;
}
header = (uint64_t *)((byte *)mi->map + mi->nref);
mi->nref += size;
mi->count++;
*header = (uint64_t) i;
return &header[1];
}
}
}
void
grn_ctx_free(grn_ctx *ctx, void *ptr,
const char* file, int line, const char *func)
{
if (!ctx) { return; }
if (!ctx->impl) {
ERR(GRN_INVALID_ARGUMENT,"ctx without impl passed.");
return;
}
{
uint64_t *header = &((uint64_t *)ptr)[-1];
if (*header >= N_SEGMENTS) {
ERR(GRN_INVALID_ARGUMENT,"invalid ptr passed. ptr=%p seg=%zu", ptr, *header);
return;
}
{
int32_t i = (int32_t)*header;
grn_io_mapinfo *mi = &ctx->impl->segs[i];
if (mi->count & SEGMENT_VLEN) {
if (mi->map != header) {
ERR(GRN_INVALID_ARGUMENT,"invalid ptr passed. ptr=%p seg=%d", ptr, i);
return;
}
//GRN_LOG(ctx, GRN_LOG_NOTICE, "umap i=%d (%d)", i, mi->nref * grn_pagesize);
grn_io_anon_unmap(ctx, mi, mi->nref * grn_pagesize);
mi->map = NULL;
} else {
if (!mi->map) {
ERR(GRN_INVALID_ARGUMENT,"invalid ptr passed. ptr=%p seg=%d", ptr, i);
return;
}
mi->count--;
if (!(mi->count & SEGMENT_MASK)) {
//GRN_LOG(ctx, GRN_LOG_NOTICE, "umap i=%d", i);
if (i == ctx->impl->currseg) {
memset(mi->map, 0, mi->nref);
mi->nref = 0;
} else {
grn_io_anon_unmap(ctx, mi, SEGMENT_SIZE);
mi->map = NULL;
}
}
}
}
}
}
#define DB_P(s) ((s) && (s)->header.type == GRN_DB)
grn_rc
grn_ctx_use(grn_ctx *ctx, grn_obj *db)
{
GRN_API_ENTER;
if (!db || !DB_P(db)) {
ctx->rc = GRN_INVALID_ARGUMENT;
} else {
if (!ctx->impl) { grn_ctx_impl_init(ctx); }
if (!ctx->rc) {
ctx->impl->db = db;
if (ctx->impl->symbols) { grn_ql_def_db_funcs(ctx); }
{
grn_obj buf;
GRN_TEXT_INIT(&buf);
grn_obj_get_info(ctx, db, GRN_INFO_ENCODING, &buf);
ctx->encoding = *(grn_encoding *)GRN_BULK_HEAD(&buf);
grn_obj_close(ctx, &buf);
}
}
}
GRN_API_RETURN(ctx->rc);
}
void *
grn_ctx_alloc_lifo(grn_ctx *ctx, size_t size, int flags,
const char* file, int line, const char *func)
{
if (!ctx) { return NULL; }
if (!ctx->impl) {
grn_ctx_impl_init(ctx);
if (ERRP(ctx, GRN_ERROR)) { return NULL; }
}
{
int32_t i = ctx->impl->lifoseg;
grn_io_mapinfo *mi = &ctx->impl->segs[i];
if (size > SEGMENT_SIZE) {
uint64_t npages = (size + (grn_pagesize - 1)) / grn_pagesize;
if (npages >= (1LL<<32)) {
MERR("too long request size=%zu", size);
return NULL;
}
for (;;) {
if (++i >= N_SEGMENTS) {
MERR("all segments are full");
return NULL;
}
mi++;
if (!mi->map) { break; }
}
if (!grn_io_anon_map(ctx, mi, npages * grn_pagesize)) { return NULL; }
mi->nref = (uint32_t) npages;
mi->count = SEGMENT_VLEN|SEGMENT_LIFO;
ctx->impl->lifoseg = i;
return mi->map;
} else {
size = (size + ALIGN_MASK) & ~ALIGN_MASK;
if (i < 0 || (mi->count & SEGMENT_VLEN) || size + mi->nref > SEGMENT_SIZE) {
for (;;) {
if (++i >= N_SEGMENTS) {
MERR("all segments are full");
return NULL;
}
if (!(++mi)->map) { break; }
}
if (!grn_io_anon_map(ctx, mi, SEGMENT_SIZE)) { return NULL; }
mi->nref = 0;
mi->count = SEGMENT_WORD|SEGMENT_LIFO;
ctx->impl->lifoseg = i;
}
{
uint32_t u = mi->nref;
mi->nref += size;
return (byte *)mi->map + u;
}
}
}
}
void
grn_ctx_free_lifo(grn_ctx *ctx, void *ptr,
const char* file, int line, const char *func)
{
if (!ctx) { return; }
if (!ctx->impl) {
ERR(GRN_INVALID_ARGUMENT,"ctx without impl passed.");
return;
}
{
int32_t i = ctx->impl->lifoseg, done = 0;
grn_io_mapinfo *mi = &ctx->impl->segs[i];
if (i < 0) {
ERR(GRN_INVALID_ARGUMENT, "lifo buffer is void");
return;
}
for (; i >= 0; i--, mi--) {
if (!(mi->count & SEGMENT_LIFO)) { continue; }
if (done) { break; }
if (mi->count & SEGMENT_VLEN) {
if (mi->map == ptr) { done = 1; }
grn_io_anon_unmap(ctx, mi, mi->nref * grn_pagesize);
mi->map = NULL;
} else {
if (mi->map == ptr) {
done = 1;
} else {
if (mi->map < ptr && ptr < (void *)((byte*)mi->map + mi->nref)) {
mi->nref = (uint32_t) ((uintptr_t)ptr - (uintptr_t)mi->map);
break;
}
}
grn_io_anon_unmap(ctx, mi, SEGMENT_SIZE);
mi->map = NULL;
}
}
ctx->impl->lifoseg = i;
}
}
#if USE_DYNAMIC_MALLOC_CHANGE
grn_malloc_func
grn_ctx_get_malloc(grn_ctx *ctx)
{
if (!ctx || !ctx->impl) { return NULL; }
return ctx->impl->malloc_func;
}
void
grn_ctx_set_malloc(grn_ctx *ctx, grn_malloc_func malloc_func)
{
if (!ctx || !ctx->impl) { return; }
ctx->impl->malloc_func = malloc_func;
}
grn_calloc_func
grn_ctx_get_calloc(grn_ctx *ctx)
{
if (!ctx || !ctx->impl) { return NULL; }
return ctx->impl->calloc_func;
}
void
grn_ctx_set_calloc(grn_ctx *ctx, grn_calloc_func calloc_func)
{
if (!ctx || !ctx->impl) { return; }
ctx->impl->calloc_func = calloc_func;
}
grn_realloc_func
grn_ctx_get_realloc(grn_ctx *ctx)
{
if (!ctx || !ctx->impl) { return NULL; }
return ctx->impl->realloc_func;
}
void
grn_ctx_set_realloc(grn_ctx *ctx, grn_realloc_func realloc_func)
{
if (!ctx || !ctx->impl) { return; }
ctx->impl->realloc_func = realloc_func;
}