homework-jianmu/source/libs/tfs/inc/tfsInt.h

83 lines
2.7 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/>.
*/
#ifndef _TD_TFS_INT_H_
#define _TD_TFS_INT_H_
#include "os.h"
#include "taosdef.h"
#include "taoserror.h"
#include "tcoding.h"
#include "tfs.h"
#include "tglobal.h"
#include "thash.h"
#include "tlog.h"
extern int32_t fsDebugFlag;
// For debug purpose
#define fFatal(...) { if (fsDebugFlag & DEBUG_FATAL) { taosPrintLog("TFS FATAL ", 255, __VA_ARGS__); }}
#define fError(...) { if (fsDebugFlag & DEBUG_ERROR) { taosPrintLog("TFS ERROR ", 255, __VA_ARGS__); }}
#define fWarn(...) { if (fsDebugFlag & DEBUG_WARN) { taosPrintLog("TFS WARN ", 255, __VA_ARGS__); }}
#define fInfo(...) { if (fsDebugFlag & DEBUG_INFO) { taosPrintLog("TFS ", 255, __VA_ARGS__); }}
#define fDebug(...) { if (fsDebugFlag & DEBUG_DEBUG) { taosPrintLog("TFS ", cqDebugFlag, __VA_ARGS__); }}
#define fTrace(...) { if (fsDebugFlag & DEBUG_TRACE) { taosPrintLog("TFS ", cqDebugFlag, __VA_ARGS__); }}
// Global Definitions
#define TFS_MIN_DISK_FREE_SIZE 50 * 1024 * 1024
typedef struct SDisk {
int32_t level;
int32_t id;
char *path;
SDiskSize size;
} SDisk;
typedef struct STier {
pthread_spinlock_t lock;
int32_t level;
int16_t nextid; // next disk id to allocate
int16_t ndisk; // # of disks mounted to this tier
int16_t nAvailDisks; // # of Available disks
SDisk *disks[TSDB_MAX_DISKS_PER_TIER];
SDiskSize size;
} STier;
#define TIER_LEVEL(pt) ((pt)->level)
#define TIER_NDISKS(pt) ((pt)->ndisk)
#define TIER_SIZE(pt) ((pt)->tmeta.size)
#define TIER_FREE_SIZE(pt) ((pt)->tmeta.free)
#define DISK_AT_TIER(pt, id) ((pt)->disks[id])
#define DISK_DIR(pd) ((pd)->path)
SDisk *tfsNewDisk(int32_t level, int32_t id, const char *dir);
SDisk *tfsFreeDisk(SDisk *pDisk);
int32_t tfsUpdateDiskSize(SDisk *pDisk);
int32_t tfsInitTier(STier *pTier, int32_t level);
void tfsDestroyTier(STier *pTier);
SDisk *tfsMountDiskToTier(STier *pTier, SDiskCfg *pCfg);
void tfsUpdateTierSize(STier *pTier);
int32_t tfsAllocDiskOnTier(STier *pTier);
void tfsPosNextId(STier *pTier);
#ifdef __cplusplus
}
#endif
#endif /*_TD_TFS_INT_H_*/