more TDB
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@ -14,21 +14,6 @@
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*/
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#include "tdbInt.h"
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typedef TD_DLIST(SPage) SPgList;
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struct SPgCache {
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SRWLatch mutex;
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pgsize_t pgsize;
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int32_t npage;
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SPage * pages;
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SPgList freeList;
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SPgList lru;
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struct {
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int32_t nbucket;
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SPgList *buckets;
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} pght; // page hash table
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};
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static void pgCachePinPage(SPage *pPage);
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static void pgCacheUnpinPage(SPage *pPage);
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@ -18,4 +18,5 @@
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struct STDbEnv {
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TDB * dbList; // TDB list
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SPgFile *pgFileList; // SPgFile list
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SPgCache pgc; // page cache
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};
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@ -44,6 +44,21 @@ struct SPage {
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uint8_t * pData; // real data
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};
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typedef TD_DLIST(SPage) SPgList;
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struct SPgCache {
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TENV * pEnv; // TENV containing this page cache
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SRWLatch mutex;
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pgsize_t pgsize;
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int32_t npage;
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SPage * pages;
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SPgList freeList;
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SPgList lru;
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struct {
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int32_t nbucket;
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SPgList *buckets;
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} pght; // page hash table
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};
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#ifdef __cplusplus
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}
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#endif
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@ -0,0 +1,27 @@
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/*
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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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#ifndef _TDB_ENV_H_
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#define _TDB_ENV_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TDB_ENV_H_*/
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@ -79,6 +79,7 @@ typedef int32_t pgsize_t;
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#include "btree.h"
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#include "pgcache.h"
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#include "pgfile.h"
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#include "tdbEnv.h"
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// tdb util
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int tdbGnrtFileID(const char *fname, uint8_t *fileid);
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