homework-jianmu/source/libs/tfs/src/tfsDisk.c

68 lines
2.0 KiB
C

/*
* 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/>.
*/
#define _DEFAULT_SOURCE
#include "tfsInt.h"
int32_t tfsNewDisk(int32_t level, int32_t id, int8_t disable, const char *path, STfsDisk **ppDisk) {
int32_t code = 0;
int32_t lino = 0;
STfsDisk *pDisk = NULL;
if ((pDisk = taosMemoryCalloc(1, sizeof(STfsDisk))) == NULL) {
TAOS_CHECK_GOTO(TSDB_CODE_OUT_OF_MEMORY, &lino, _exit);
}
if ((pDisk->path = taosStrdup(path)) == NULL) {
TAOS_CHECK_GOTO(TSDB_CODE_OUT_OF_MEMORY, &lino, _exit);
}
pDisk->level = level;
pDisk->id = id;
pDisk->disable = disable;
if (taosGetDiskSize(pDisk->path, &pDisk->size) < 0) {
code = TAOS_SYSTEM_ERROR(errno); // TODO: refactor this line
TAOS_CHECK_GOTO(code, &lino, _exit);
}
_exit:
if (code != 0) {
pDisk = tfsFreeDisk(pDisk);
fError("%s failed at line %d since %s, disk:%s level:%d id:%d ", __func__, lino, tstrerror(code), path, level, id);
}
*ppDisk = pDisk;
TAOS_RETURN(code);
}
STfsDisk *tfsFreeDisk(STfsDisk *pDisk) {
if (pDisk != NULL) {
taosMemoryFree(pDisk->path);
taosMemoryFree(pDisk);
}
return NULL;
}
int32_t tfsUpdateDiskSize(STfsDisk *pDisk) {
if (taosGetDiskSize(pDisk->path, &pDisk->size) < 0) {
int32_t code = TAOS_SYSTEM_ERROR(errno); // TODO: refactor this line
fError("failed to get disk:%s size, level:%d id:%d since %s", pDisk->path, pDisk->level, pDisk->id,
tstrerror(code));
TAOS_RETURN(code);
}
return 0;
}