forked from LuaDist/tokyocabinet
/
tcadb.c
4338 lines (4163 loc) · 128 KB
/
tcadb.c
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/*************************************************************************************************
* The abstract database API of Tokyo Cabinet
* Copyright (C) 2006-2012 FAL Labs
* This file is part of Tokyo Cabinet.
* Tokyo Cabinet is free software; you can redistribute it and/or modify it under the terms of
* the GNU Lesser General Public License as published by the Free Software Foundation; either
* version 2.1 of the License or any later version. Tokyo Cabinet 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 Tokyo
* Cabinet; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA.
*************************************************************************************************/
#include "tcutil.h"
#include "tchdb.h"
#include "tcbdb.h"
#include "tcfdb.h"
#include "tctdb.h"
#include "tcadb.h"
#include "myconf.h"
#define ADBDIRMODE 00755 // permission of created directories
#define ADBMULPREFIX "adbmul-" // prefix of multiple database files
typedef struct { // type of structure for multiple database
TCADB **adbs; // inner database objects
int num; // number of inner databases
int iter; // index of the iterator
char *path; // path of the base directory
} ADBMUL;
typedef struct { // type of structure for mapper to B+ tree database
TCADB *adb; // source database object
TCBDB *bdb; // destination database object
TCLIST *recs; // cached records
int64_t rsiz; // total size of cached records
int64_t csiz; // capacity of cached records
ADBMAPPROC proc; // mapping function
void *op; // opaque object for the mapping function
} ADBMAPBDB;
/* private function prototypes */
static ADBMUL *tcadbmulnew(int num);
static void tcadbmuldel(ADBMUL *mul);
static bool tcadbmulopen(ADBMUL *mul, const char *name);
static bool tcadbmulclose(ADBMUL *mul);
static bool tcadbmulput(ADBMUL *mul, const void *kbuf, int ksiz, const void *vbuf, int vsiz);
static bool tcadbmulputkeep(ADBMUL *mul, const void *kbuf, int ksiz, const void *vbuf, int vsiz);
static bool tcadbmulputcat(ADBMUL *mul, const void *kbuf, int ksiz, const void *vbuf, int vsiz);
static bool tcadbmulout(ADBMUL *mul, const void *kbuf, int ksiz);
static void *tcadbmulget(ADBMUL *mul, const void *kbuf, int ksiz, int *sp);
static int tcadbmulvsiz(ADBMUL *mul, const void *kbuf, int ksiz);
static bool tcadbmuliterinit(ADBMUL *mul);
static void *tcadbmuliternext(ADBMUL *mul, int *sp);
static TCLIST *tcadbmulfwmkeys(ADBMUL *mul, const void *pbuf, int psiz, int max);
static int tcadbmuladdint(ADBMUL *mul, const void *kbuf, int ksiz, int num);
static double tcadbmuladddouble(ADBMUL *mul, const void *kbuf, int ksiz, double num);
static bool tcadbmulsync(ADBMUL *mul);
static bool tcadbmuloptimize(ADBMUL *mul, const char *params);
static bool tcadbmulvanish(ADBMUL *mul);
static bool tcadbmulcopy(ADBMUL *mul, const char *path);
static bool tcadbmultranbegin(ADBMUL *mul);
static bool tcadbmultrancommit(ADBMUL *mul);
static bool tcadbmultranabort(ADBMUL *mul);
static const char *tcadbmulpath(ADBMUL *mul);
static uint64_t tcadbmulrnum(ADBMUL *mul);
static uint64_t tcadbmulsize(ADBMUL *mul);
static TCLIST *tcadbmulmisc(ADBMUL *mul, const char *name, const TCLIST *args);
static bool tcadbmulputproc(ADBMUL *mul, const void *kbuf, int ksiz, const void *vbuf, int vsiz,
TCPDPROC proc, void *op);
static bool tcadbmulforeach(ADBMUL *mul, TCITER iter, void *op);
static int tcadbmulidx(ADBMUL *mul, const void *kbuf, int ksiz);
static bool tcadbmapbdbiter(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op);
static bool tcadbmapbdbdump(ADBMAPBDB *map);
static int tcadbmapreccmplexical(const TCLISTDATUM *a, const TCLISTDATUM *b);
static int tcadbmapreccmpdecimal(const TCLISTDATUM *a, const TCLISTDATUM *b);
static int tcadbmapreccmpint32(const TCLISTDATUM *a, const TCLISTDATUM *b);
static int tcadbmapreccmpint64(const TCLISTDATUM *a, const TCLISTDATUM *b);
static int tcadbtdbqrygetout(const void *pkbuf, int pksiz, TCMAP *cols, void *op);
/*************************************************************************************************
* API
*************************************************************************************************/
/* Create an abstract database object. */
TCADB *tcadbnew(void){
TCADB *adb;
TCMALLOC(adb, sizeof(*adb));
adb->omode = ADBOVOID;
adb->mdb = NULL;
adb->ndb = NULL;
adb->hdb = NULL;
adb->bdb = NULL;
adb->fdb = NULL;
adb->tdb = NULL;
adb->capnum = -1;
adb->capsiz = -1;
adb->capcnt = 0;
adb->cur = NULL;
adb->skel = NULL;
return adb;
}
/* Delete an abstract database object. */
void tcadbdel(TCADB *adb){
assert(adb);
if(adb->omode != ADBOVOID) tcadbclose(adb);
if(adb->skel){
ADBSKEL *skel = adb->skel;
if(skel->del) skel->del(skel->opq);
TCFREE(skel);
}
TCFREE(adb);
}
/* Open an abstract database. */
bool tcadbopen(TCADB *adb, const char *name){
assert(adb && name);
if(adb->omode != ADBOVOID) return false;
TCLIST *elems = tcstrsplit(name, "#");
char *path = tclistshift2(elems);
if(!path){
tclistdel(elems);
return false;
}
int dbgfd = -1;
int64_t bnum = -1;
int64_t capnum = -1;
int64_t capsiz = -1;
bool owmode = true;
bool ocmode = true;
bool otmode = false;
bool onlmode = false;
bool onbmode = false;
int8_t apow = -1;
int8_t fpow = -1;
bool tlmode = false;
bool tdmode = false;
bool tbmode = false;
bool ttmode = false;
int32_t rcnum = -1;
int64_t xmsiz = -1;
int32_t dfunit = -1;
int32_t lmemb = -1;
int32_t nmemb = -1;
int32_t lcnum = -1;
int32_t ncnum = -1;
int32_t width = -1;
int64_t limsiz = -1;
TCLIST *idxs = NULL;
int ln = TCLISTNUM(elems);
for(int i = 0; i < ln; i++){
const char *elem = TCLISTVALPTR(elems, i);
char *pv = strchr(elem, '=');
if(!pv) continue;
*(pv++) = '\0';
if(!tcstricmp(elem, "dbgfd")){
dbgfd = tcatoi(pv);
} else if(!tcstricmp(elem, "bnum")){
bnum = tcatoix(pv);
} else if(!tcstricmp(elem, "capnum")){
capnum = tcatoix(pv);
} else if(!tcstricmp(elem, "capsiz")){
capsiz = tcatoix(pv);
} else if(!tcstricmp(elem, "mode")){
owmode = strchr(pv, 'w') || strchr(pv, 'W');
ocmode = strchr(pv, 'c') || strchr(pv, 'C');
otmode = strchr(pv, 't') || strchr(pv, 'T');
onlmode = strchr(pv, 'e') || strchr(pv, 'E');
onbmode = strchr(pv, 'f') || strchr(pv, 'F');
} else if(!tcstricmp(elem, "apow")){
apow = tcatoix(pv);
} else if(!tcstricmp(elem, "fpow")){
fpow = tcatoix(pv);
} else if(!tcstricmp(elem, "opts")){
if(strchr(pv, 'l') || strchr(pv, 'L')) tlmode = true;
if(strchr(pv, 'd') || strchr(pv, 'D')) tdmode = true;
if(strchr(pv, 'b') || strchr(pv, 'B')) tbmode = true;
if(strchr(pv, 't') || strchr(pv, 'T')) ttmode = true;
} else if(!tcstricmp(elem, "rcnum")){
rcnum = tcatoix(pv);
} else if(!tcstricmp(elem, "xmsiz")){
xmsiz = tcatoix(pv);
} else if(!tcstricmp(elem, "dfunit")){
dfunit = tcatoix(pv);
} else if(!tcstricmp(elem, "lmemb")){
lmemb = tcatoix(pv);
} else if(!tcstricmp(elem, "nmemb")){
nmemb = tcatoix(pv);
} else if(!tcstricmp(elem, "lcnum")){
lcnum = tcatoix(pv);
} else if(!tcstricmp(elem, "ncnum")){
ncnum = tcatoix(pv);
} else if(!tcstricmp(elem, "width")){
width = tcatoix(pv);
} else if(!tcstricmp(elem, "limsiz")){
limsiz = tcatoix(pv);
} else if(!tcstricmp(elem, "idx")){
if(!idxs) idxs = tclistnew();
TCLISTPUSH(idxs, pv, strlen(pv));
}
}
tclistdel(elems);
adb->omode = ADBOVOID;
if(adb->skel){
ADBSKEL *skel = adb->skel;
if(!skel->open || !skel->open(skel->opq, name)){
if(idxs) tclistdel(idxs);
TCFREE(path);
return false;
}
adb->omode = ADBOSKEL;
} else if(!tcstricmp(path, "*")){
adb->mdb = bnum > 0 ? tcmdbnew2(bnum) : tcmdbnew();
adb->capnum = capnum;
adb->capsiz = capsiz;
adb->capcnt = 0;
adb->omode = ADBOMDB;
} else if(!tcstricmp(path, "+")){
adb->ndb = tcndbnew();
adb->capnum = capnum;
adb->capsiz = capsiz;
adb->capcnt = 0;
adb->omode = ADBONDB;
} else if(tcstribwm(path, ".tch") || tcstribwm(path, ".hdb")){
TCHDB *hdb = tchdbnew();
if(dbgfd >= 0) tchdbsetdbgfd(hdb, dbgfd);
tchdbsetmutex(hdb);
int opts = 0;
if(tlmode) opts |= HDBTLARGE;
if(tdmode) opts |= HDBTDEFLATE;
if(tbmode) opts |= HDBTBZIP;
if(ttmode) opts |= HDBTTCBS;
tchdbtune(hdb, bnum, apow, fpow, opts);
tchdbsetcache(hdb, rcnum);
if(xmsiz >= 0) tchdbsetxmsiz(hdb, xmsiz);
if(dfunit >= 0) tchdbsetdfunit(hdb, dfunit);
int omode = owmode ? HDBOWRITER : HDBOREADER;
if(ocmode) omode |= HDBOCREAT;
if(otmode) omode |= HDBOTRUNC;
if(onlmode) omode |= HDBONOLCK;
if(onbmode) omode |= HDBOLCKNB;
if(!tchdbopen(hdb, path, omode)){
tchdbdel(hdb);
if(idxs) tclistdel(idxs);
TCFREE(path);
return false;
}
adb->hdb = hdb;
adb->omode = ADBOHDB;
} else if(tcstribwm(path, ".tcb") || tcstribwm(path, ".bdb")){
TCBDB *bdb = tcbdbnew();
if(dbgfd >= 0) tcbdbsetdbgfd(bdb, dbgfd);
tcbdbsetmutex(bdb);
int opts = 0;
if(tlmode) opts |= BDBTLARGE;
if(tdmode) opts |= BDBTDEFLATE;
if(tbmode) opts |= BDBTBZIP;
if(ttmode) opts |= BDBTTCBS;
tcbdbtune(bdb, lmemb, nmemb, bnum, apow, fpow, opts);
tcbdbsetcache(bdb, lcnum, ncnum);
if(xmsiz >= 0) tcbdbsetxmsiz(bdb, xmsiz);
if(dfunit >= 0) tcbdbsetdfunit(bdb, dfunit);
if(capnum > 0) tcbdbsetcapnum(bdb, capnum);
int omode = owmode ? BDBOWRITER : BDBOREADER;
if(ocmode) omode |= BDBOCREAT;
if(otmode) omode |= BDBOTRUNC;
if(onlmode) omode |= BDBONOLCK;
if(onbmode) omode |= BDBOLCKNB;
if(!tcbdbopen(bdb, path, omode)){
tcbdbdel(bdb);
if(idxs) tclistdel(idxs);
TCFREE(path);
return false;
}
adb->bdb = bdb;
adb->cur = tcbdbcurnew(bdb);
adb->omode = ADBOBDB;
} else if(tcstribwm(path, ".tcf") || tcstribwm(path, ".fdb")){
TCFDB *fdb = tcfdbnew();
if(dbgfd >= 0) tcfdbsetdbgfd(fdb, dbgfd);
tcfdbsetmutex(fdb);
tcfdbtune(fdb, width, limsiz);
int omode = owmode ? FDBOWRITER : FDBOREADER;
if(ocmode) omode |= FDBOCREAT;
if(otmode) omode |= FDBOTRUNC;
if(onlmode) omode |= FDBONOLCK;
if(onbmode) omode |= FDBOLCKNB;
if(!tcfdbopen(fdb, path, omode)){
tcfdbdel(fdb);
if(idxs) tclistdel(idxs);
TCFREE(path);
return false;
}
adb->fdb = fdb;
adb->omode = ADBOFDB;
} else if(tcstribwm(path, ".tct") || tcstribwm(path, ".tdb")){
TCTDB *tdb = tctdbnew();
if(dbgfd >= 0) tctdbsetdbgfd(tdb, dbgfd);
tctdbsetmutex(tdb);
int opts = 0;
if(tlmode) opts |= TDBTLARGE;
if(tdmode) opts |= TDBTDEFLATE;
if(tbmode) opts |= TDBTBZIP;
if(ttmode) opts |= TDBTTCBS;
tctdbtune(tdb, bnum, apow, fpow, opts);
tctdbsetcache(tdb, rcnum, lcnum, ncnum);
if(xmsiz >= 0) tctdbsetxmsiz(tdb, xmsiz);
if(dfunit >= 0) tctdbsetdfunit(tdb, dfunit);
int omode = owmode ? TDBOWRITER : TDBOREADER;
if(ocmode) omode |= TDBOCREAT;
if(otmode) omode |= TDBOTRUNC;
if(onlmode) omode |= TDBONOLCK;
if(onbmode) omode |= TDBOLCKNB;
if(!tctdbopen(tdb, path, omode)){
tctdbdel(tdb);
if(idxs) tclistdel(idxs);
TCFREE(path);
return false;
}
if(idxs){
int xnum = TCLISTNUM(idxs);
for(int i = 0; i < xnum; i++){
const char *expr = TCLISTVALPTR(idxs, i);
int type = TDBITLEXICAL;
char *pv = strchr(expr, ':');
if(pv){
*(pv++) = '\0';
type = tctdbstrtoindextype(pv);
}
if(type >= 0) tctdbsetindex(tdb, expr, type | TDBITKEEP);
}
}
adb->tdb = tdb;
adb->omode = ADBOTDB;
}
if(idxs) tclistdel(idxs);
TCFREE(path);
if(adb->omode == ADBOVOID) return false;
return true;
}
/* Close an abstract database object. */
bool tcadbclose(TCADB *adb){
assert(adb);
int err = false;
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
tcmdbdel(adb->mdb);
adb->mdb = NULL;
break;
case ADBONDB:
tcndbdel(adb->ndb);
adb->ndb = NULL;
break;
case ADBOHDB:
if(!tchdbclose(adb->hdb)) err = true;
tchdbdel(adb->hdb);
adb->hdb = NULL;
break;
case ADBOBDB:
tcbdbcurdel(adb->cur);
if(!tcbdbclose(adb->bdb)) err = true;
tcbdbdel(adb->bdb);
adb->bdb = NULL;
break;
case ADBOFDB:
if(!tcfdbclose(adb->fdb)) err = true;
tcfdbdel(adb->fdb);
adb->fdb = NULL;
break;
case ADBOTDB:
if(!tctdbclose(adb->tdb)) err = true;
tctdbdel(adb->tdb);
adb->tdb = NULL;
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->close){
if(!skel->close(skel->opq)) err = true;
} else {
err = true;
}
break;
default:
err = true;
break;
}
adb->omode = ADBOVOID;
return !err;
}
/* Store a record into an abstract database object. */
bool tcadbput(TCADB *adb, const void *kbuf, int ksiz, const void *vbuf, int vsiz){
assert(adb && kbuf && ksiz >= 0 && vbuf && vsiz >= 0);
bool err = false;
char numbuf[TCNUMBUFSIZ];
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
if(adb->capnum > 0 || adb->capsiz > 0){
tcmdbput3(adb->mdb, kbuf, ksiz, vbuf, vsiz);
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcmdbrnum(adb->mdb) > adb->capnum + 0x100)
tcmdbcutfront(adb->mdb, 0x100);
if(adb->capsiz > 0 && tcmdbmsiz(adb->mdb) > adb->capsiz)
tcmdbcutfront(adb->mdb, 0x200);
}
} else {
tcmdbput(adb->mdb, kbuf, ksiz, vbuf, vsiz);
}
break;
case ADBONDB:
tcndbput(adb->ndb, kbuf, ksiz, vbuf, vsiz);
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcndbrnum(adb->ndb) > adb->capnum + 0x100)
tcndbcutfringe(adb->ndb, 0x100);
if(adb->capsiz > 0 && tcndbmsiz(adb->ndb) > adb->capsiz)
tcndbcutfringe(adb->ndb, 0x200);
}
}
break;
case ADBOHDB:
if(!tchdbput(adb->hdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOBDB:
if(!tcbdbput(adb->bdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOFDB:
if(!tcfdbput2(adb->fdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOTDB:
if(ksiz < 1){
ksiz = sprintf(numbuf, "%lld", (long long)tctdbgenuid(adb->tdb));
kbuf = numbuf;
}
if(!tctdbput2(adb->tdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->put){
if(!skel->put(skel->opq, kbuf, ksiz, vbuf, vsiz)) err = true;
} else {
err = true;
}
break;
default:
err = true;
break;
}
return !err;
}
/* Store a string record into an abstract object. */
bool tcadbput2(TCADB *adb, const char *kstr, const char *vstr){
assert(adb && kstr && vstr);
return tcadbput(adb, kstr, strlen(kstr), vstr, strlen(vstr));
}
/* Store a new record into an abstract database object. */
bool tcadbputkeep(TCADB *adb, const void *kbuf, int ksiz, const void *vbuf, int vsiz){
assert(adb && kbuf && ksiz >= 0 && vbuf && vsiz >= 0);
bool err = false;
char numbuf[TCNUMBUFSIZ];
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
if(tcmdbputkeep(adb->mdb, kbuf, ksiz, vbuf, vsiz)){
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcmdbrnum(adb->mdb) > adb->capnum + 0x100)
tcmdbcutfront(adb->mdb, 0x100);
if(adb->capsiz > 0 && tcmdbmsiz(adb->mdb) > adb->capsiz)
tcmdbcutfront(adb->mdb, 0x200);
}
}
} else {
err = true;
}
break;
case ADBONDB:
if(tcndbputkeep(adb->ndb, kbuf, ksiz, vbuf, vsiz)){
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcndbrnum(adb->ndb) > adb->capnum + 0x100)
tcndbcutfringe(adb->ndb, 0x100);
if(adb->capsiz > 0 && tcndbmsiz(adb->ndb) > adb->capsiz)
tcndbcutfringe(adb->ndb, 0x200);
}
}
} else {
err = true;
}
break;
case ADBOHDB:
if(!tchdbputkeep(adb->hdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOBDB:
if(!tcbdbputkeep(adb->bdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOFDB:
if(!tcfdbputkeep2(adb->fdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOTDB:
if(ksiz < 1){
ksiz = sprintf(numbuf, "%lld", (long long)tctdbgenuid(adb->tdb));
kbuf = numbuf;
}
if(!tctdbputkeep2(adb->tdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->putkeep){
if(!skel->putkeep(skel->opq, kbuf, ksiz, vbuf, vsiz)) err = true;
} else {
err = true;
}
break;
default:
err = true;
break;
}
return !err;
}
/* Store a new string record into an abstract database object. */
bool tcadbputkeep2(TCADB *adb, const char *kstr, const char *vstr){
assert(adb && kstr && vstr);
return tcadbputkeep(adb, kstr, strlen(kstr), vstr, strlen(vstr));
}
/* Concatenate a value at the end of the existing record in an abstract database object. */
bool tcadbputcat(TCADB *adb, const void *kbuf, int ksiz, const void *vbuf, int vsiz){
assert(adb && kbuf && ksiz >= 0 && vbuf && vsiz >= 0);
bool err = false;
char numbuf[TCNUMBUFSIZ];
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
if(adb->capnum > 0 || adb->capsiz > 0){
tcmdbputcat3(adb->mdb, kbuf, ksiz, vbuf, vsiz);
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcmdbrnum(adb->mdb) > adb->capnum + 0x100)
tcmdbcutfront(adb->mdb, 0x100);
if(adb->capsiz > 0 && tcmdbmsiz(adb->mdb) > adb->capsiz)
tcmdbcutfront(adb->mdb, 0x200);
}
} else {
tcmdbputcat(adb->mdb, kbuf, ksiz, vbuf, vsiz);
}
break;
case ADBONDB:
tcndbputcat(adb->ndb, kbuf, ksiz, vbuf, vsiz);
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcndbrnum(adb->ndb) > adb->capnum + 0x100)
tcndbcutfringe(adb->ndb, 0x100);
if(adb->capsiz > 0 && tcndbmsiz(adb->ndb) > adb->capsiz)
tcndbcutfringe(adb->ndb, 0x200);
}
}
break;
case ADBOHDB:
if(!tchdbputcat(adb->hdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOBDB:
if(!tcbdbputcat(adb->bdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOFDB:
if(!tcfdbputcat2(adb->fdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOTDB:
if(ksiz < 1){
ksiz = sprintf(numbuf, "%lld", (long long)tctdbgenuid(adb->tdb));
kbuf = numbuf;
}
if(!tctdbputcat2(adb->tdb, kbuf, ksiz, vbuf, vsiz)) err = true;
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->putcat){
if(!skel->putcat(skel->opq, kbuf, ksiz, vbuf, vsiz)) err = true;
} else {
err = true;
}
break;
default:
err = true;
break;
}
return !err;
}
/* Concatenate a string value at the end of the existing record in an abstract database object. */
bool tcadbputcat2(TCADB *adb, const char *kstr, const char *vstr){
assert(adb && kstr && vstr);
return tcadbputcat(adb, kstr, strlen(kstr), vstr, strlen(vstr));
}
/* Remove a record of an abstract database object. */
bool tcadbout(TCADB *adb, const void *kbuf, int ksiz){
assert(adb && kbuf && ksiz >= 0);
bool err = false;
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
if(!tcmdbout(adb->mdb, kbuf, ksiz)) err = true;
break;
case ADBONDB:
if(!tcndbout(adb->ndb, kbuf, ksiz)) err = true;
break;
case ADBOHDB:
if(!tchdbout(adb->hdb, kbuf, ksiz)) err = true;
break;
case ADBOBDB:
if(!tcbdbout(adb->bdb, kbuf, ksiz)) err = true;
break;
case ADBOFDB:
if(!tcfdbout2(adb->fdb, kbuf, ksiz)) err = true;
break;
case ADBOTDB:
if(!tctdbout(adb->tdb, kbuf, ksiz)) err = true;
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->out){
if(!skel->out(skel->opq, kbuf, ksiz)) err = true;
} else {
err = true;
}
break;
default:
err = true;
break;
}
return !err;
}
/* Remove a string record of an abstract database object. */
bool tcadbout2(TCADB *adb, const char *kstr){
assert(adb && kstr);
return tcadbout(adb, kstr, strlen(kstr));
}
/* Retrieve a record in an abstract database object. */
void *tcadbget(TCADB *adb, const void *kbuf, int ksiz, int *sp){
assert(adb && kbuf && ksiz >= 0 && sp);
char *rv;
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
rv = tcmdbget(adb->mdb, kbuf, ksiz, sp);
break;
case ADBONDB:
rv = tcndbget(adb->ndb, kbuf, ksiz, sp);
break;
case ADBOHDB:
rv = tchdbget(adb->hdb, kbuf, ksiz, sp);
break;
case ADBOBDB:
rv = tcbdbget(adb->bdb, kbuf, ksiz, sp);
break;
case ADBOFDB:
rv = tcfdbget2(adb->fdb, kbuf, ksiz, sp);
break;
case ADBOTDB:
rv = tctdbget2(adb->tdb, kbuf, ksiz, sp);
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->get){
rv = skel->get(skel->opq, kbuf, ksiz, sp);
} else {
rv = NULL;
}
break;
default:
rv = NULL;
break;
}
return rv;
}
/* Retrieve a string record in an abstract database object. */
char *tcadbget2(TCADB *adb, const char *kstr){
assert(adb && kstr);
int vsiz;
return tcadbget(adb, kstr, strlen(kstr), &vsiz);
}
/* Get the size of the value of a record in an abstract database object. */
int tcadbvsiz(TCADB *adb, const void *kbuf, int ksiz){
assert(adb && kbuf && ksiz >= 0);
int rv;
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
rv = tcmdbvsiz(adb->mdb, kbuf, ksiz);
break;
case ADBONDB:
rv = tcndbvsiz(adb->ndb, kbuf, ksiz);
break;
case ADBOHDB:
rv = tchdbvsiz(adb->hdb, kbuf, ksiz);
break;
case ADBOBDB:
rv = tcbdbvsiz(adb->bdb, kbuf, ksiz);
break;
case ADBOFDB:
rv = tcfdbvsiz2(adb->fdb, kbuf, ksiz);
break;
case ADBOTDB:
rv = tctdbvsiz(adb->tdb, kbuf, ksiz);
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->vsiz){
rv = skel->vsiz(skel->opq, kbuf, ksiz);
} else {
rv = -1;
}
break;
default:
rv = -1;
break;
}
return rv;
}
/* Get the size of the value of a string record in an abstract database object. */
int tcadbvsiz2(TCADB *adb, const char *kstr){
assert(adb && kstr);
return tcadbvsiz(adb, kstr, strlen(kstr));
}
/* Initialize the iterator of an abstract database object. */
bool tcadbiterinit(TCADB *adb){
assert(adb);
bool err = false;
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
tcmdbiterinit(adb->mdb);
break;
case ADBONDB:
tcndbiterinit(adb->ndb);
break;
case ADBOHDB:
if(!tchdbiterinit(adb->hdb)) err = true;
break;
case ADBOBDB:
if(!tcbdbcurfirst(adb->cur)){
int ecode = tcbdbecode(adb->bdb);
if(ecode != TCESUCCESS && ecode != TCEINVALID && ecode != TCEKEEP && ecode != TCENOREC)
err = true;
}
break;
case ADBOFDB:
if(!tcfdbiterinit(adb->fdb)) err = true;
break;
case ADBOTDB:
if(!tctdbiterinit(adb->tdb)) err = true;
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->iterinit){
if(!skel->iterinit(skel->opq)) err = true;
} else {
err = true;
}
break;
default:
err = true;
break;
}
return !err;
}
/* Get the next key of the iterator of an abstract database object. */
void *tcadbiternext(TCADB *adb, int *sp){
assert(adb && sp);
char *rv;
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
rv = tcmdbiternext(adb->mdb, sp);
break;
case ADBONDB:
rv = tcndbiternext(adb->ndb, sp);
break;
case ADBOHDB:
rv = tchdbiternext(adb->hdb, sp);
break;
case ADBOBDB:
rv = tcbdbcurkey(adb->cur, sp);
tcbdbcurnext(adb->cur);
break;
case ADBOFDB:
rv = tcfdbiternext2(adb->fdb, sp);
break;
case ADBOTDB:
rv = tctdbiternext(adb->tdb, sp);
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->iternext){
rv = skel->iternext(skel->opq, sp);
} else {
rv = NULL;
}
break;
default:
rv = NULL;
break;
}
return rv;
}
/* Get the next key string of the iterator of an abstract database object. */
char *tcadbiternext2(TCADB *adb){
assert(adb);
int vsiz;
return tcadbiternext(adb, &vsiz);
}
/* Get forward matching keys in an abstract database object. */
TCLIST *tcadbfwmkeys(TCADB *adb, const void *pbuf, int psiz, int max){
assert(adb && pbuf && psiz >= 0);
TCLIST *rv;
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
rv = tcmdbfwmkeys(adb->mdb, pbuf, psiz, max);
break;
case ADBONDB:
rv = tcndbfwmkeys(adb->ndb, pbuf, psiz, max);
break;
case ADBOHDB:
rv = tchdbfwmkeys(adb->hdb, pbuf, psiz, max);
break;
case ADBOBDB:
rv = tcbdbfwmkeys(adb->bdb, pbuf, psiz, max);
break;
case ADBOFDB:
rv = tcfdbrange4(adb->fdb, pbuf, psiz, max);
break;
case ADBOTDB:
rv = tctdbfwmkeys(adb->tdb, pbuf, psiz, max);
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->fwmkeys){
rv = skel->fwmkeys(skel->opq, pbuf, psiz, max);
} else {
rv = NULL;
}
break;
default:
rv = tclistnew();
break;
}
return rv;
}
/* Get forward matching string keys in an abstract database object. */
TCLIST *tcadbfwmkeys2(TCADB *adb, const char *pstr, int max){
assert(adb && pstr);
return tcadbfwmkeys(adb, pstr, strlen(pstr), max);
}
/* Add an integer to a record in an abstract database object. */
int tcadbaddint(TCADB *adb, const void *kbuf, int ksiz, int num){
assert(adb && kbuf && ksiz >= 0);
int rv;
char numbuf[TCNUMBUFSIZ];
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
rv = tcmdbaddint(adb->mdb, kbuf, ksiz, num);
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcmdbrnum(adb->mdb) > adb->capnum + 0x100)
tcmdbcutfront(adb->mdb, 0x100);
if(adb->capsiz > 0 && tcmdbmsiz(adb->mdb) > adb->capsiz)
tcmdbcutfront(adb->mdb, 0x200);
}
}
break;
case ADBONDB:
rv = tcndbaddint(adb->ndb, kbuf, ksiz, num);
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcndbrnum(adb->ndb) > adb->capnum + 0x100)
tcndbcutfringe(adb->ndb, 0x100);
if(adb->capsiz > 0 && tcndbmsiz(adb->ndb) > adb->capsiz)
tcndbcutfringe(adb->ndb, 0x200);
}
}
break;
case ADBOHDB:
rv = tchdbaddint(adb->hdb, kbuf, ksiz, num);
break;
case ADBOBDB:
rv = tcbdbaddint(adb->bdb, kbuf, ksiz, num);
break;
case ADBOFDB:
rv = tcfdbaddint(adb->fdb, tcfdbkeytoid(kbuf, ksiz), num);
break;
case ADBOTDB:
if(ksiz < 1){
ksiz = sprintf(numbuf, "%lld", (long long)tctdbgenuid(adb->tdb));
kbuf = numbuf;
}
rv = tctdbaddint(adb->tdb, kbuf, ksiz, num);
break;
case ADBOSKEL:
skel = adb->skel;
if(skel->addint){
rv = skel->addint(skel->opq, kbuf, ksiz, num);
} else {
rv = INT_MIN;
}
break;
default:
rv = INT_MIN;
break;
}
return rv;
}
/* Add a real number to a record in an abstract database object. */
double tcadbadddouble(TCADB *adb, const void *kbuf, int ksiz, double num){
assert(adb && kbuf && ksiz >= 0);
double rv;
char numbuf[TCNUMBUFSIZ];
ADBSKEL *skel;
switch(adb->omode){
case ADBOMDB:
rv = tcmdbadddouble(adb->mdb, kbuf, ksiz, num);
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcmdbrnum(adb->mdb) > adb->capnum + 0x100)
tcmdbcutfront(adb->mdb, 0x100);
if(adb->capsiz > 0 && tcmdbmsiz(adb->mdb) > adb->capsiz)
tcmdbcutfront(adb->mdb, 0x200);
}
}
break;
case ADBONDB:
rv = tcndbadddouble(adb->ndb, kbuf, ksiz, num);
if(adb->capnum > 0 || adb->capsiz > 0){
adb->capcnt++;
if((adb->capcnt & 0xff) == 0){
if(adb->capnum > 0 && tcndbrnum(adb->ndb) > adb->capnum + 0x100)
tcndbcutfringe(adb->ndb, 0x100);
if(adb->capsiz > 0 && tcndbmsiz(adb->ndb) > adb->capsiz)
tcndbcutfringe(adb->ndb, 0x200);
}
}
break;