148 lines
3.8 KiB
C
148 lines
3.8 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tdbInt.h"
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struct STTB {
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TDB *pEnv;
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SBTree *pBt;
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};
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struct STBC {
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SBTC btc;
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};
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int tdbTbOpen(const char *fname, int keyLen, int valLen, tdb_cmpr_fn_t keyCmprFn, TDB *pEnv, TTB **ppTb) {
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TTB *pTb;
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SPager *pPager;
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int ret;
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char fFullName[TDB_FILENAME_LEN];
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SPage *pPage;
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SPgno pgno;
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*ppTb = NULL;
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pTb = (TTB *)tdbOsCalloc(1, sizeof(*pTb));
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if (pTb == NULL) {
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return -1;
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}
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// pTb->pEnv
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pTb->pEnv = pEnv;
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pPager = tdbEnvGetPager(pEnv, fname);
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if (pPager == NULL) {
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snprintf(fFullName, TDB_FILENAME_LEN, "%s/%s", pEnv->rootDir, fname);
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ret = tdbPagerOpen(pEnv->pCache, fFullName, &pPager);
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if (ret < 0) {
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return -1;
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}
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tdbEnvAddPager(pEnv, pPager);
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}
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ASSERT(pPager != NULL);
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// pTb->pBt
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ret = tdbBtreeOpen(keyLen, valLen, pPager, keyCmprFn, &(pTb->pBt));
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if (ret < 0) {
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return -1;
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}
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*ppTb = pTb;
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return 0;
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}
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int tdbTbClose(TTB *pTb) {
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if (pTb) {
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tdbBtreeClose(pTb->pBt);
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tdbOsFree(pTb);
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}
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return 0;
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}
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int tdbTbDrop(TTB *pTb) {
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// TODO
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return 0;
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}
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int tdbTbInsert(TTB *pTb, const void *pKey, int keyLen, const void *pVal, int valLen, TXN *pTxn) {
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return tdbBtreeInsert(pTb->pBt, pKey, keyLen, pVal, valLen, pTxn);
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}
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int tdbTbDelete(TTB *pTb, const void *pKey, int kLen, TXN *pTxn) { return tdbBtreeDelete(pTb->pBt, pKey, kLen, pTxn); }
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int tdbTbUpsert(TTB *pTb, const void *pKey, int kLen, const void *pVal, int vLen, TXN *pTxn) {
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return tdbBtreeUpsert(pTb->pBt, pKey, kLen, pVal, vLen, pTxn);
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}
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int tdbTbGet(TTB *pTb, const void *pKey, int kLen, void **ppVal, int *vLen) {
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return tdbBtreeGet(pTb->pBt, pKey, kLen, ppVal, vLen);
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}
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int tdbTbPGet(TTB *pTb, const void *pKey, int kLen, void **ppKey, int *pkLen, void **ppVal, int *vLen) {
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return tdbBtreePGet(pTb->pBt, pKey, kLen, ppKey, pkLen, ppVal, vLen);
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}
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int tdbTbcOpen(TTB *pTb, TBC **ppTbc, TXN *pTxn) {
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int ret;
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TBC *pTbc = NULL;
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*ppTbc = NULL;
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pTbc = (TBC *)tdbOsMalloc(sizeof(*pTbc));
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if (pTbc == NULL) {
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return -1;
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}
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tdbBtcOpen(&pTbc->btc, pTb->pBt, pTxn);
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*ppTbc = pTbc;
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return 0;
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}
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int tdbTbcMoveTo(TBC *pTbc, const void *pKey, int kLen, int *c) { return tdbBtcMoveTo(&pTbc->btc, pKey, kLen, c); }
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int tdbTbcMoveToFirst(TBC *pTbc) { return tdbBtcMoveToFirst(&pTbc->btc); }
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int tdbTbcMoveToLast(TBC *pTbc) { return tdbBtcMoveToLast(&pTbc->btc); }
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int tdbTbcMoveToNext(TBC *pTbc) { return tdbBtcMoveToNext(&pTbc->btc); }
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int tdbTbcMoveToPrev(TBC *pTbc) { return tdbBtcMoveToPrev(&pTbc->btc); }
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int tdbTbcGet(TBC *pTbc, const void **ppKey, int *pkLen, const void **ppVal, int *pvLen) {
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return tdbBtcGet(&pTbc->btc, ppKey, pkLen, ppVal, pvLen);
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}
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int tdbTbcDelete(TBC *pTbc) { return tdbBtcDelete(&pTbc->btc); }
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int tdbTbcNext(TBC *pTbc, void **ppKey, int *kLen, void **ppVal, int *vLen) {
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return tdbBtreeNext(&pTbc->btc, ppKey, kLen, ppVal, vLen);
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}
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int tdbTbcUpsert(TBC *pTbc, const void *pKey, int nKey, const void *pData, int nData, int insert) {
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return tdbBtcUpsert(&pTbc->btc, pKey, nKey, pData, nData, insert);
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}
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int tdbTbcClose(TBC *pTbc) {
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if (pTbc) {
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tdbBtcClose(&pTbc->btc);
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tdbOsFree(pTbc);
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}
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return 0;
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}
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int tdbTbcIsValid(TBC *pTbc) { return tdbBtcIsValid(&pTbc->btc); } |