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This commit is contained in:
Hongze Cheng 2021-12-07 13:26:32 +08:00
parent 40d12ec48e
commit e7ea5a0e90
1 changed files with 57 additions and 38 deletions
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93
source/dnode/vnode/meta/src/metaBDBImpl.c
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@ -33,29 +33,44 @@ struct SMetaDB {
DB_ENV *pEvn;
};
#define P_ERROR(info, code) fprintf(stderr, info "reason: %s", db_strerror(code))
static SMetaDB *metaNewDB();
static void metaFreeDB(SMetaDB *pDB);
static int metaCreateDBEnv(SMetaDB *pDB, const char *path);
static void metaDestroyDBEnv(SMetaDB *pDB);
int metaOpenDB(SMeta *pMeta) {
int ret;
SMetaDB *pDB;
pMeta->pDB = metaNewDB();
if (pMeta->pDB == NULL) {
return -1;
}
pDB = pMeta->pDB;
if (metaCreateDBEnv(pDB, pMeta->path) < 0) {
metaCloseDB(pMeta);
return -1;
}
// ret = db_create(&(pDB->pStbDB), pDB->pEvn, 0);
// if (ret != 0) {
// P_ERROR("failed to create META super table DB", ret);
// metaCloseDB(pMeta);
// return -1;
// }
// ret = pDB->pStbDB->open(pDB->pStbDB, NULL, "meta.db", NULL, DB_BTREE, DB_CREATE, 0);
// if (ret != 0) {
// P_ERROR("failed to create META super table DB", ret);
// metaCloseDB(pMeta);
// return -1;
// }
#if 0
// create the env
ret = db_env_create(&(pMeta->pDB->pEvn), 0);
if (ret != 0) {
// TODO: handle error
return -1;
}
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);
if (ret != 0) {
// TODO: handle error
@ -125,33 +140,11 @@ int metaOpenDB(SMeta *pMeta) {
}
void metaCloseDB(SMeta *pMeta) {
if (pMeta->pDB) {
metaDestroyDBEnv(pMeta->pDB);
metaFreeDB(pMeta->pDB);
pMeta->pDB = NULL;
#if 0
if (pMeta->pDB) {
if (pMeta->pDB->pIdx) {
pMeta->pDB->pIdx->close(pMeta->pDB->pIdx, 0);
pMeta->pDB->pIdx = NULL;
}
if (pMeta->pDB->pSchemaDB) {
pMeta->pDB->pSchemaDB->close(pMeta->pDB->pSchemaDB, 0);
pMeta->pDB->pSchemaDB = NULL;
}
if (pMeta->pDB->pDB) {
pMeta->pDB->pDB->close(pMeta->pDB->pDB, 0);
pMeta->pDB->pDB = NULL;
}
if (pMeta->pDB->pEvn) {
pMeta->pDB->pEvn->close(pMeta->pDB->pEvn, 0);
pMeta->pDB->pEvn = NULL;
}
free(pMeta->pDB);
}
#endif
}
int metaSaveTableToDB(SMeta *pMeta, STbCfg *pTbCfg) {
@ -222,3 +215,29 @@ static void metaFreeDB(SMetaDB *pDB) {
free(pDB);
}
}
static int metaCreateDBEnv(SMetaDB *pDB, const char *path) {
int ret;
if (path == NULL) return 0;
ret = db_env_create(&(pDB->pEvn), 0);
if (ret != 0) {
P_ERROR("Failed to create META DB ENV", ret);
return -1;
}
ret = pDB->pEvn->open(pDB->pEvn, path, DB_CREATE | DB_INIT_MPOOL, 0);
if (ret != 0) {
P_ERROR("failed to open META DB ENV", ret);
return -1;
}
return 0;
}
static void metaDestroyDBEnv(SMetaDB *pDB) {
if (pDB->pEvn) {
pDB->pEvn->close(pDB->pEvn, 0);
}
}