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This commit is contained in:
Hongze Cheng 2021-12-06 21:17:10 +08:00
parent 2733f45189
commit 53d4fe80fe
1 changed files with 83 additions and 16 deletions
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87
source/dnode/vnode/meta/src/metaBDBImpl.c
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@ -18,7 +18,9 @@
#include "db.h"
struct SMetaDB {
DB * pDB;
DB * pStbDB;
DB * pCtbDB;
DB * pNtbDB;
DB * pIdx;
DB_ENV *pEvn;
};
@ -32,22 +34,32 @@ int metaOpenDB(SMeta *pMeta) {
return -1;
}
// TODO: create the env
// create the env
ret = db_env_create(&(pMeta->pDB->pEvn), 0);
if (ret != 0) {
// TODO: handle error
return -1;
}
// pMeta->pDB->pEvn->set_cachesize(pMeta->pDB->pEvn, )
ret = pMeta->pDB->pEvn->open(pMeta->pDB->pEvn, pMeta->path, DB_CREATE | DB_INIT_MPOOL, 0);
if (ret != 0) {
// TODO: handle error
return -1;
}
ret = db_create(&(pMeta->pDB->pDB), pMeta->pDB->pEvn, 0);
ret = db_create(&(pMeta->pDB->pStbDB), pMeta->pDB->pEvn, 0);
if (ret != 0) {
// TODO: handle error
return -1;
}
ret = db_create(&(pMeta->pDB->pCtbDB), pMeta->pDB->pEvn, 0);
if (ret != 0) {
// TODO: handle error
return -1;
}
ret = db_create(&(pMeta->pDB->pNtbDB), pMeta->pDB->pEvn, 0);
if (ret != 0) {
// TODO: handle error
return -1;
@ -59,7 +71,31 @@ int metaOpenDB(SMeta *pMeta) {
return -1;
}
ret = pMeta->pDB->pDB->open(pMeta->pDB->pDB, /* DB structure pointer */
ret = pMeta->pDB->pStbDB->open(pMeta->pDB->pStbDB, /* DB structure pointer */
NULL, /* Transaction pointer */
"meta.db", /* On-disk file that holds the database */
NULL, /* Optional logical database name */
DB_BTREE, /* Database access method */
DB_CREATE, /* Open flags */
0); /* File mode */
if (ret != 0) {
// TODO: handle error
return -1;
}
ret = pMeta->pDB->pCtbDB->open(pMeta->pDB->pCtbDB, /* DB structure pointer */
NULL, /* Transaction pointer */
"meta.db", /* On-disk file that holds the database */
NULL, /* Optional logical database name */
DB_BTREE, /* Database access method */
DB_CREATE, /* Open flags */
0); /* File mode */
if (ret != 0) {
// TODO: handle error
return -1;
}
ret = pMeta->pDB->pNtbDB->open(pMeta->pDB->pNtbDB, /* DB structure pointer */
NULL, /* Transaction pointer */
"meta.db", /* On-disk file that holds the database */
NULL, /* Optional logical database name */
@ -94,9 +130,19 @@ void metaCloseDB(SMeta *pMeta) {
pMeta->pDB->pIdx = NULL;
}
if (pMeta->pDB->pDB) {
pMeta->pDB->pDB->close(pMeta->pDB->pDB, 0);
pMeta->pDB->pDB = NULL;
if (pMeta->pDB->pNtbDB) {
pMeta->pDB->pNtbDB->close(pMeta->pDB->pNtbDB, 0);
pMeta->pDB->pNtbDB = NULL;
}
if (pMeta->pDB->pCtbDB) {
pMeta->pDB->pCtbDB->close(pMeta->pDB->pCtbDB, 0);
pMeta->pDB->pCtbDB = NULL;
}
if (pMeta->pDB->pStbDB) {
pMeta->pDB->pStbDB->close(pMeta->pDB->pStbDB, 0);
pMeta->pDB->pStbDB = NULL;
}
if (pMeta->pDB->pEvn) {
@ -109,7 +155,28 @@ void metaCloseDB(SMeta *pMeta) {
}
int metaSaveTableToDB(SMeta *pMeta, const STbCfg *pTbCfg) {
// TODO
tb_uid_t uid;
DBT key = {0};
DBT value = {0};
char buf[256];
void * pBuf;
int bsize;
if (pTbCfg->type == META_SUPER_TABLE) {
uid = pTbCfg->stbCfg.suid;
} else {
uid = metaGenerateUid(pMeta);
}
key.size = sizeof(uid);
key.data = &uid;
pBuf = buf;
value.size = metaEncodeTbCfg(&pBuf, pTbCfg);
value.data = buf;
pMeta->pDB->pStbDB->put(pMeta->pDB->pStbDB, NULL, &key, &value, 0);
return 0;
}