103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
|
|
*
|
|
* This program is free software: you can use, redistribute, and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3
|
|
* or later ("AGPL"), as published by the Free Software Foundation.
|
|
*
|
|
* This program 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.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "tdbInt.h"
|
|
|
|
struct STDbEnv {
|
|
pgsz_t pgSize; // Page size
|
|
cachesz_t cacheSize; // Total cache size
|
|
STDbList dbList; // TDB List
|
|
SPgFileList pgfList; // SPgFile List
|
|
SPgCache * pPgCache; // page cache
|
|
struct {
|
|
} pgfht; // page file hash table;
|
|
};
|
|
|
|
static int tdbEnvDestroy(TENV *pEnv);
|
|
|
|
int tdbEnvCreate(TENV **ppEnv) {
|
|
TENV *pEnv;
|
|
|
|
pEnv = (TENV *)calloc(1, sizeof(*pEnv));
|
|
if (pEnv == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
pEnv->pgSize = TDB_DEFAULT_PGSIZE;
|
|
pEnv->cacheSize = TDB_DEFAULT_CACHE_SIZE;
|
|
|
|
TD_DLIST_INIT(&(pEnv->dbList));
|
|
TD_DLIST_INIT(&(pEnv->pgfList));
|
|
// TODO
|
|
return 0;
|
|
}
|
|
|
|
int tdbEnvOpen(TENV **ppEnv) {
|
|
TENV * pEnv;
|
|
SPgCache *pPgCache;
|
|
int ret;
|
|
|
|
// Create the ENV with default setting
|
|
if (ppEnv == NULL) {
|
|
TERR_A(ret, tdbEnvCreate(&pEnv), _err);
|
|
}
|
|
|
|
pEnv = *ppEnv;
|
|
|
|
TERR_A(ret, pgCacheCreate(&pPgCache, pEnv->pgSize, pEnv->cacheSize / pEnv->pgSize), _err);
|
|
TERR_A(ret, pgCacheOpen(&pPgCache), _err);
|
|
|
|
pEnv->pPgCache = pPgCache;
|
|
|
|
return 0;
|
|
|
|
_err:
|
|
return -1;
|
|
}
|
|
|
|
int tdbEnvClose(TENV *pEnv) {
|
|
if (pEnv == NULL) return 0;
|
|
/* TODO */
|
|
tdbEnvDestroy(pEnv);
|
|
return 0;
|
|
}
|
|
|
|
int tdbEnvSetPageSize(TENV *pEnv, pgsz_t szPage) {
|
|
/* TODO */
|
|
pEnv->pgSize = szPage;
|
|
return 0;
|
|
}
|
|
|
|
int tdbEnvSetCacheSize(TENV *pEnv, cachesz_t szCache) {
|
|
/* TODO */
|
|
pEnv->cacheSize = szCache;
|
|
return 0;
|
|
}
|
|
|
|
pgsz_t tdbEnvGetPageSize(TENV *pEnv) { return pEnv->pgSize; }
|
|
|
|
cachesz_t tdbEnvGetCacheSize(TENV *pEnv) { return pEnv->cacheSize; }
|
|
|
|
SPgFile *tdbEnvGetPageFile(TENV *pEnv, const uint8_t fileid[]) {
|
|
// TODO
|
|
return NULL;
|
|
}
|
|
|
|
SPgCache *tdbEnvGetPgCache(TENV *pEnv) { return pEnv->pPgCache; }
|
|
|
|
static int tdbEnvDestroy(TENV *pEnv) {
|
|
// TODO
|
|
return 0;
|
|
} |