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more tdb

This commit is contained in:
Hongze Cheng 2022-01-24 13:27:32 +00:00
parent cb9ca05b03
commit 065f3d9682
5 changed files with 106 additions and 17 deletions
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17
source/libs/tdb/src/db/tdb_mpool.c
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@ -15,7 +15,6 @@
#include "tdb_mpool.h"
static int tdbGnrtFileID(const char *fname, uint8_t *fileid);
static void tdbMPoolRegFile(TDB_MPOOL *mp, TDB_MPFILE *mpf);
static void tdbMPoolUnregFile(TDB_MPOOL *mp, TDB_MPFILE *mpf);
static TDB_MPFILE *tdbMPoolGetFile(TDB_MPOOL *mp, uint8_t *fileid);
@ -230,22 +229,6 @@ int tdbMPoolFilePutPage(TDB_MPFILE *mpf, pgno_t pgno, void *addr) {
return 0;
}
static int tdbGnrtFileID(const char *fname, uint8_t *fileid) {
struct stat statbuf;
if (stat(fname, &statbuf) < 0) {
return -1;
}
memset(fileid, 0, TDB_FILE_ID_LEN);
((uint64_t *)fileid)[0] = (uint64_t)statbuf.st_ino;
((uint64_t *)fileid)[1] = (uint64_t)statbuf.st_dev;
((uint64_t *)fileid)[2] = rand();
return 0;
}
#define MPF_GET_BUCKETID(fileid) \
({ \
uint64_t *tmp = (uint64_t *)fileid; \

33
source/libs/tdb/src/db/tdb_util.c Normal file
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@ -0,0 +1,33 @@
/*
* 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 "tdb_inc.h"
int tdbGnrtFileID(const char *fname, uint8_t *fileid) {
struct stat statbuf;
if (stat(fname, &statbuf) < 0) {
return -1;
}
memset(fileid, 0, TDB_FILE_ID_LEN);
((uint64_t *)fileid)[0] = (uint64_t)statbuf.st_ino;
((uint64_t *)fileid)[1] = (uint64_t)statbuf.st_dev;
((uint64_t *)fileid)[2] = rand();
return 0;
}

33
source/libs/tdb/src/inc/tdb_btree.h Normal file
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@ -0,0 +1,33 @@
/*
* 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/>.
*/
#ifndef _TDB_BTREE_H_
#define _TDB_BTREE_H_
#include "tdb_inc.h"
#ifdef __cplusplus
extern "C" {
#endif
struct SBTree {
pgno_t root; // root page number
};
#ifdef __cplusplus
}
#endif
#endif /*_TDB_BTREE_H_*/

3
source/libs/tdb/src/inc/tdb_inc.h
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@ -51,6 +51,9 @@ typedef int32_t pgsize_t;
// tdb_log
#define tdbError(var)
// tdb util
int tdbGnrtFileID(const char *fname, uint8_t *fileid);
#ifdef __cplusplus
}
#endif

37
source/libs/tdb/src/inc/tdb_page.h Normal file
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@ -0,0 +1,37 @@
/*
* 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/>.
*/
#ifndef _TDB_PAGE_H_
#define _TDB_PAGE_H_
#include "tdb_inc.h"
#ifdef __cplusplus
extern "C" {
#endif
// Page header
typedef struct {
uint32_t magic;
pgno_t pgno; // current page number
pgno_t npgno; // next page number
pgno_t ppgno; // prev page number
} SPgHdr;
#ifdef __cplusplus
}
#endif
#endif /*_TDB_PAGE_H_*/