Merge branch 'feature/balance' into feature/sync

# Conflicts:
#	src/vnode/main/inc/vnodeInt.h

src/dnode/src/dnodeMain.c

@@ -28,7 +28,7 @@
 #include "dnodeRead.h"
 #include "dnodeShell.h"
 #include "dnodeWrite.h"
-#include "mgmtGrant.h"
+#include "tgrant.h"
 
 static int32_t dnodeInitSystem();
 static int32_t dnodeInitStorage();
@@ -220,7 +220,6 @@ static int32_t dnodeInitStorage() {
   sprintf(tsMnodeDir, "%s/mnode", dataDir);
   sprintf(tsVnodeDir, "%s/vnode", dataDir);
   sprintf(tsDnodeDir, "%s/dnode", dataDir);
-  mkdir(tsMnodeDir, 0755);
   mkdir(tsVnodeDir, 0755);
   mkdir(tsDnodeDir, 0755);
 

src/dnode/src/dnodeMgmt.c

@@ -20,7 +20,6 @@
 #include "taosmsg.h"
 #include "tlog.h"
 #include "trpc.h"
-#include "tstatus.h"
 #include "tsdb.h"
 #include "ttime.h"
 #include "ttimer.h"

src/inc/mnode.h

@@ -21,7 +21,6 @@ extern "C" {
 #endif
 
 #include "os.h"
-
 #include "taosdef.h"
 #include "taosmsg.h"
 #include "taoserror.h"
@@ -40,7 +39,8 @@ extern "C" {
 
 struct _vg_obj;
 struct _db_obj;
-struct _acctObj;
+struct _acct_obj;
+struct _user_obj;
 
 typedef struct {
   int32_t  mnodeId;
@@ -65,7 +65,7 @@ typedef struct {
   void    *pSync;
 } SMnodeObj;
 
-typedef struct {
+typedef struct _dnode_obj {
   int32_t    dnodeId;
   uint32_t   privateIp;
   uint32_t   publicIp;
@@ -79,16 +79,15 @@ typedef struct {
   uint16_t   slot;
   uint16_t   numOfCores;       // from dnode status msg
   int8_t     alternativeRole;  // from dnode status msg, 0-any, 1-mgmt, 2-dnode
-  int8_t     lbStatus;         // set in balance function
-  float      lbScore;          // calc in balance function
+  int8_t     status;           // set in balance function
   int32_t    customScore;      // config by user
   char       dnodeName[TSDB_DNODE_NAME_LEN + 1];
   int8_t     reserved[15];
   int8_t     updateEnd[1];
   int32_t    refCount;
   SVnodeLoad vload[TSDB_MAX_VNODES];
-  int32_t    status;
   uint32_t   lastReboot;       // time stamp for last reboot
+  float      score;          // calc in balance function
   float      diskAvailable;    // from dnode status msg
   int16_t    diskAvgUsage;     // calc from sys.disk
   int16_t    cpuAvgUsage;      // calc from sys.cpu
@@ -147,9 +146,9 @@ typedef struct _vg_obj {
   int64_t         createdTime;
   SVnodeGid       vnodeGid[TSDB_VNODES_SUPPORT];
   int32_t         numOfVnodes;
-  int32_t         lbIp;
+  int32_t         lbDnodeId;
   int32_t         lbTime;
-  int8_t          lbStatus;
+  int8_t          status;
   int8_t          reserved[14];
   int8_t          updateEnd[1];
   int32_t         refCount;
@@ -162,7 +161,7 @@ typedef struct _vg_obj {
 
 typedef struct _db_obj {
   char    name[TSDB_DB_NAME_LEN + 1];
-  int8_t  dirty;
+  int8_t  status;
   int64_t createdTime;
   SDbCfg  cfg;
   int8_t  reserved[15];
@@ -173,7 +172,7 @@ typedef struct _db_obj {
   int32_t numOfSuperTables;
   SVgObj *pHead;
   SVgObj *pTail;
-  struct _acctObj *pAcct;
+  struct _acct_obj *pAcct;
 } SDbObj;
 
 typedef struct _user_obj {
@@ -186,7 +185,7 @@ typedef struct _user_obj {
   int8_t            reserved[13];
   int8_t            updateEnd[1];
   int32_t           refCount;
-  struct _acctObj * pAcct;
+  struct _acct_obj * pAcct;
   SQqueryList *     pQList;  // query list
   SStreamList *     pSList;  // stream list
 } SUserObj;
@@ -209,7 +208,7 @@ typedef struct {
   int8_t  accessState;   // Checked by mgmt heartbeat message
 } SAcctInfo;
 
-typedef struct _acctObj {
+typedef struct _acct_obj {
   char      user[TSDB_USER_LEN + 1];
   char      pass[TSDB_KEY_LEN + 1];
   SAcctCfg  cfg;

src/mnode/inc/mgmtAcct.h → src/inc/taccount.h

@@ -13,31 +13,34 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef TDENGINE_MGMT_ACCT_H
-#define TDENGINE_MGMT_ACCT_H
+#ifndef TDENGINE_ACCT_H
+#define TDENGINE_ACCT_H
 
 #ifdef __cplusplus
 extern "C" {
 #endif
-#include "mnode.h"
 
+struct _acct_obj;
+struct _user_obj;
+struct _db_obj;
+ 
 typedef enum {
   TSDB_ACCT_USER,
   TSDB_ACCT_DB,
   TSDB_ACCT_TABLE
 } EAcctGrantType;
 
-int32_t   acctInit();
-void      acctCleanUp();
-SAcctObj *acctGetAcct(char *acctName);
-void      acctIncRef(SAcctObj *pAcct);
-void      acctDecRef(SAcctObj *pAcct);
-int32_t   acctCheck(SAcctObj *pAcct, EAcctGrantType type);
+int32_t acctInit();
+void    acctCleanUp();
+void   *acctGetAcct(char *acctName);
+void    acctIncRef(struct _acct_obj *pAcct);
+void    acctReleaseAcct(struct _acct_obj *pAcct);
+int32_t acctCheck(struct _acct_obj *pAcct, EAcctGrantType type);
 
-void      acctAddDb(SAcctObj *pAcct, SDbObj *pDb);
-void      acctRemoveDb(SAcctObj *pAcct, SDbObj *pDb);
-void      acctAddUser(SAcctObj *pAcct, SUserObj *pUser);
-void      acctRemoveUser(SAcctObj *pAcct, SUserObj *pUser);
+void    acctAddDb(struct _acct_obj *pAcct, struct _db_obj *pDb);
+void    acctRemoveDb(struct _acct_obj *pAcct, struct _db_obj *pDb);
+void    acctAddUser(struct _acct_obj *pAcct, struct _user_obj *pUser);
+void    acctRemoveUser(struct _acct_obj *pAcct, struct _user_obj *pUser);
 
 #ifdef __cplusplus
 }

src/mnode/inc/mgmtBalance.h → src/inc/tadmin.h

@@ -13,18 +13,22 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef TDENGINE_MGMT_BALANCE_H
-#define TDENGINE_MGMT_BALANCE_H
+#ifndef TDENGINE_ADMIN_H
+#define TDENGINE_ADMIN_H
 
 #ifdef __cplusplus
 extern "C" {
 #endif
-#include "mnode.h"
 
-int32_t mgmtInitBalance();
-void    mgmtCleanupBalance();
-void    mgmtBalanceNotify() ;
-int32_t mgmtAllocVnodes(SVgObj *pVgroup);
+#include <stdint.h>
+#include <stdbool.h>
+
+void adminInit();
+
+struct _http_server_obj_;
+
+extern void (*adminInitHandleFp)(struct _http_server_obj_* pServer);
+extern void (*opInitHandleFp)(struct _http_server_obj_* pServer);
 
 #ifdef __cplusplus
 }

src/inc/taosmsg.h

@@ -515,7 +515,7 @@ typedef struct {
   int64_t compStorage;
   int64_t pointsWritten;
   uint8_t status;
-  uint8_t syncStatus;
+  uint8_t role;
   uint8_t accessState;
   uint8_t reserved[5];
 } SVnodeLoad;

src/mnode/inc/mgmtDnode.h → src/inc/tbalance.h

@@ -13,22 +13,26 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef TDENGINE_MGMT_DNODE_H
-#define TDENGINE_MGMT_DNODE_H
+#ifndef TDENGINE_BALANCE_H
+#define TDENGINE_BALANCE_H
 
 #ifdef __cplusplus
 extern "C" {
 #endif
-#include "mnode.h"
 
-int32_t mgmtInitDnodes();
-void    mgmtCleanUpDnodes();
-int32_t mgmtGetDnodesNum();
-void *  mgmtGetNextDnode(void *pNode, SDnodeObj **pDnode);
-void    mgmtIncDnodeRef(SDnodeObj *pDnode);
-void    mgmtDecDnodeRef(SDnodeObj *pDnode);
-SDnodeObj* mgmtGetDnode(int32_t dnodeId);
-SDnodeObj* mgmtGetDnodeByIp(uint32_t ip);
+#include <stdint.h>
+#include <stdbool.h>
+#include <pthread.h>
+
+struct _db_obj;
+struct _vg_obj;
+struct _dnode_obj;
+
+int32_t balanceInit();
+void    balanceCleanUp();
+void    balanceNotify();
+int32_t balanceAllocVnodes(struct _vg_obj *pVgroup);
+int32_t balanceDropDnode(struct _dnode_obj *pDnode);
 
 #ifdef __cplusplus
 }

src/inc/tcluster.h

+/*
+ * 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 TDENGINE_CLUSTER_H
+#define TDENGINE_CLUSTER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <pthread.h>
+
+struct _dnode_obj;
+
+enum _TAOS_DN_STATUS {
+  TAOS_DN_STATUS_OFFLINE,
+  TAOS_DN_STATUS_DROPPING,
+  TAOS_DN_STATUS_BALANCING,
+  TAOS_DN_STATUS_READY
+};
+
+int32_t clusterInit();
+void    clusterCleanUp();
+char*   clusterGetDnodeStatusStr(int32_t dnodeStatus);
+
+int32_t clusterInitDnodes();
+void    clusterCleanupDnodes();
+int32_t clusterGetDnodesNum();
+void *  clusterGetNextDnode(void *pNode, struct _dnode_obj **pDnode);
+void    clusterReleaseDnode(struct _dnode_obj *pDnode);
+void *  clusterGetDnode(int32_t dnodeId);
+void *  clusterGetDnodeByIp(uint32_t ip);
+void    clusterUpdateDnode(struct _dnode_obj *pDnode);
+int32_t clusterDropDnode(struct _dnode_obj *pDnode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/mnode/inc/mgmtGrant.h → src/inc/tgrant.h

@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef TDENGINE_MGMT_GRANT_H
-#define TDENGINE_MGMT_GRANT_H
+#ifndef TDENGINE_GTANT_H
+#define TDENGINE_GTANT_H
 
 #ifdef __cplusplus
 "C" {

src/inc/vnode.h

@@ -20,6 +20,14 @@
 extern "C" {
 #endif
 
+typedef enum _VN_STATUS {
+  TAOS_VN_STATUS_INIT,
+  TAOS_VN_STATUS_CREATING,
+  TAOS_VN_STATUS_READY,
+  TAOS_VN_STATUS_CLOSING,
+  TAOS_VN_STATUS_DELETING,
+} EVnStatus;
+
 typedef struct {
   int   len;
   int   code;
@@ -41,7 +49,7 @@ void*   vnodeGetWqueue(int32_t vgId);
 void*   vnodeGetWal(void *pVnode);
 void*   vnodeGetTsdb(void *pVnode);
 
-int32_t vnodeProcessWrite(void *pVnode, int qtype, SWalHead *pHead, void *item);
+int32_t vnodeProcessWrite(void *pVnode, int qtype, void *pHead, void *item);
 void    vnodeBuildStatusMsg(void * param);
 
 int32_t vnodeProcessRead(void *pVnode, int msgType, void *pCont, int32_t contLen, SRspRet *ret);

src/mnode/inc/mgmtDb.h

@@ -22,13 +22,18 @@ extern "C" {
 
 #include "mnode.h"
 
+enum _TSDB_DB_STATUS {
+  TSDB_DB_STATUS_READY,
+  TSDB_DB_STATUS_DROPPING
+};
+
 // api
 int32_t mgmtInitDbs();
 void    mgmtCleanUpDbs();
 SDbObj *mgmtGetDb(char *db);
 SDbObj *mgmtGetDbByTableId(char *db);
 void    mgmtIncDbRef(SDbObj *pDb);
-void    mgmtDecDbRef(SDbObj *pDb);
+void    mgmtReleaseDb(SDbObj *pDb);
 bool    mgmtCheckIsMonitorDB(char *db, char *monitordb);
 void    mgmtDropAllDbs(SAcctObj *pAcct);
 

src/mnode/inc/mgmtMnode.h

@@ -20,6 +20,19 @@
 extern "C" {
 #endif
 
+enum _TSDB_MN_STATUS {
+  TSDB_MN_STATUS_OFFLINE,
+  TSDB_MN_STATUS_UNSYNCED,
+  TSDB_MN_STATUS_SYNCING,
+  TSDB_MN_STATUS_SERVING
+};
+
+enum _TSDB_MN_ROLE {
+  TSDB_MN_ROLE_UNDECIDED,
+  TSDB_MN_ROLE_SLAVE,
+  TSDB_MN_ROLE_MASTER
+};
+
 int32_t mgmtInitMnodes();
 void    mgmtCleanupMnodes();
 

src/mnode/inc/mgmtUser.h

@@ -24,8 +24,7 @@ extern "C" {
 int32_t   mgmtInitUsers();
 void      mgmtCleanUpUsers();
 SUserObj *mgmtGetUser(char *name);
-void      mgmtIncUserRef(SUserObj *pUser);
-void      mgmtDecUserRef(SUserObj *pUser);
+void      mgmtReleaseUser(SUserObj *pUser);
 SUserObj *mgmtGetUserFromConn(void *pConn, bool *usePublicIp);
 int32_t   mgmtCreateUser(SAcctObj *pAcct, char *name, char *pass);
 void      mgmtDropAllUsers(SAcctObj *pAcct);

src/mnode/inc/mgmtVgroup.h

@@ -24,13 +24,20 @@ extern "C" {
 #include <stdbool.h>
 #include "mnode.h"
 
+enum _TSDB_VG_STATUS {
+  TSDB_VG_STATUS_READY,
+  TSDB_VG_STATUS_UPDATE
+};
+
 int32_t mgmtInitVgroups();
 void    mgmtCleanUpVgroups();
 SVgObj *mgmtGetVgroup(int32_t vgId);
-void    mgmtIncVgroupRef(SVgObj *pVgroup);
-void    mgmtDecVgroupRef(SVgObj *pVgroup);
+void    mgmtReleaseVgroup(SVgObj *pVgroup);
 void    mgmtDropAllVgroups(SDbObj *pDropDb);
 
+void *  mgmtGetNextVgroup(void *pNode, SVgObj **pVgroup);
+void    mgmtUpdateVgroup(SVgObj *pVgroup);
+
 void    mgmtCreateVgroup(SQueuedMsg *pMsg, SDbObj *pDb);
 void    mgmtDropVgroup(SVgObj *pVgroup, void *ahandle);
 void    mgmtAlterVgroup(SVgObj *pVgroup, void *ahandle);

src/mnode/src/mgmtAcct.c

@@ -17,9 +17,10 @@
 #include "os.h"
 #include "taoserror.h"
 #include "mnode.h"
-#include "mgmtAcct.h"
+#include "taccount.h"
 #include "mgmtDb.h"
 #include "mgmtUser.h"
+
 #ifndef _ACCOUNT
 
 static SAcctObj tsAcctObj = {0};
@@ -30,11 +31,12 @@ int32_t acctInit() {
   return TSDB_CODE_SUCCESS;
 }
 
-void      acctCleanUp() {}
-SAcctObj *acctGetAcct(char *acctName) { return &tsAcctObj; }
-void      acctIncRef(SAcctObj *pAcct) {}
-void      acctDecRef(SAcctObj *pAcct) {}
-int32_t   acctCheck(SAcctObj *pAcct, EAcctGrantType type) { return TSDB_CODE_SUCCESS; }
+void    acctCleanUp() {}
+void   *acctGetAcct(char *acctName) { return &tsAcctObj; }
+void    acctIncRef(struct _acct_obj *pAcct) {}
+void    acctReleaseAcct(SAcctObj *pAcct) {}
+int32_t acctCheck(SAcctObj *pAcct, EAcctGrantType type) { return TSDB_CODE_SUCCESS; }
+
 #endif
 
 void acctAddDb(SAcctObj *pAcct, SDbObj *pDb) {
@@ -46,7 +48,7 @@ void acctAddDb(SAcctObj *pAcct, SDbObj *pDb) {
 void acctRemoveDb(SAcctObj *pAcct, SDbObj *pDb) {
   atomic_sub_fetch_32(&pAcct->acctInfo.numOfDbs, 1);
   pDb->pAcct = NULL;
-  acctIncRef(pAcct);
+  acctReleaseAcct(pAcct);
 }
 
 void acctAddUser(SAcctObj *pAcct, SUserObj *pUser) {
@@ -58,5 +60,5 @@ void acctAddUser(SAcctObj *pAcct, SUserObj *pUser) {
 void acctRemoveUser(SAcctObj *pAcct, SUserObj *pUser) {
   atomic_sub_fetch_32(&pAcct->acctInfo.numOfUsers, 1);
   pUser->pAcct = NULL;
-  acctIncRef(pAcct);
+  acctReleaseAcct(pAcct);
 }
\ No newline at end of file

src/mnode/src/mgmtBalance.c

@@ -14,56 +14,34 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "tstatus.h"
-#include "mgmtBalance.h"
-#include "mgmtDnode.h"
+#include "tbalance.h"
+#include "mnode.h"
+#include "tcluster.h"
+#include "mgmtVgroup.h"
 
-extern int32_t balanceInit();
-extern void    balanceCleanUp();
-extern void    balanceNotify();
-extern int32_t balanceAllocVnodes(SVgObj *pVgroup);
+#ifndef _VPEER
+int32_t balanceInit() { return 0; }
+void    balanceCleanUp() {}
+void    balanceNotify() {}
 
-int32_t mgmtInitBalance() {
-#ifdef _VPEER
-  return balanceInit();
-#else
-  return 0;
-#endif
-}
-
-void mgmtCleanupBalance() {
-#ifdef _VPEER
-  balanceCleanUp();
-#endif
-}
-
-void mgmtBalanceNotify() {
-#ifdef _VPEER
-  balanceNotify();
-#endif
-}
-
-int32_t mgmtAllocVnodes(SVgObj *pVgroup) {
-#ifdef _VPEER
-  return balanceAllocVnodes(pVgroup);
-#else
+int32_t balanceAllocVnodes(SVgObj *pVgroup) {
   void *     pNode = NULL;
   SDnodeObj *pDnode = NULL;
   SDnodeObj *pSelDnode = NULL;
   float      vnodeUsage = 1.0;
 
   while (1) {
-    mgmtDecDnodeRef(pDnode);
-    pNode = mgmtGetNextDnode(pNode, &pDnode);
+    pNode = clusterGetNextDnode(pNode, &pDnode);
     if (pDnode == NULL) break;
-    if (pDnode->numOfTotalVnodes <= 0) continue;
-    if (pDnode->openVnodes == pDnode->numOfTotalVnodes) continue;
 
-    float usage = (float)pDnode->openVnodes / pDnode->numOfTotalVnodes;
-    if (usage <= vnodeUsage) {
-      pSelDnode = pDnode;
-      vnodeUsage = usage;
+    if (pDnode->numOfTotalVnodes > 0 && pDnode->openVnodes < pDnode->numOfTotalVnodes) {
+      float usage = (float)pDnode->openVnodes / pDnode->numOfTotalVnodes;
+      if (usage <= vnodeUsage) {
+        pSelDnode = pDnode;
+        vnodeUsage = usage;
+      }
     }
+    clusterReleaseDnode(pDnode);
   }
 
   if (pSelDnode == NULL) {
@@ -77,5 +55,6 @@ int32_t mgmtAllocVnodes(SVgObj *pVgroup) {
 
   mTrace("dnode:%d, alloc one vnode to vgroup, openVnodes:%d", pSelDnode->dnodeId, pSelDnode->openVnodes);
   return TSDB_CODE_SUCCESS;
-#endif  
 }
+
+#endif 

src/mnode/src/mgmtDClient.c

@@ -17,15 +17,14 @@
 #include "os.h"
 #include "taoserror.h"
 #include "tsched.h"
-#include "tstatus.h"
 #include "tsystem.h"
 #include "tutil.h"
 #include "dnode.h"
 #include "mnode.h"
-#include "mgmtBalance.h"
+#include "tbalance.h"
 #include "mgmtDb.h"
-#include "mgmtDnode.h"
-#include "mgmtGrant.h"
+#include "tcluster.h"
+#include "tgrant.h"
 #include "mgmtProfile.h"
 #include "mgmtShell.h"
 #include "mgmtTable.h"

src/mnode/src/mgmtDServer.c

@@ -18,15 +18,14 @@
 #include "taoserror.h"
 #include "trpc.h"
 #include "tsched.h"
-#include "tstatus.h"
 #include "tsystem.h"
 #include "tutil.h"
 #include "dnode.h"
 #include "mnode.h"
-#include "mgmtBalance.h"
+#include "tbalance.h"
 #include "mgmtDb.h"
 #include "mgmtDServer.h"
-#include "mgmtGrant.h"
+#include "tgrant.h"
 #include "mgmtProfile.h"
 #include "mgmtShell.h"
 #include "mgmtTable.h"

src/mnode/src/mgmtDb.c

@@ -16,15 +16,14 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "taoserror.h"
-#include "tstatus.h"
 #include "tutil.h"
 #include "name.h"
 #include "mnode.h"
-#include "mgmtAcct.h"
-#include "mgmtBalance.h"
+#include "taccount.h"
+#include "tbalance.h"
 #include "mgmtDb.h"
-#include "mgmtDnode.h"
-#include "mgmtGrant.h"
+#include "tcluster.h"
+#include "tgrant.h"
 #include "mgmtShell.h"
 #include "mgmtMnode.h"
 #include "mgmtProfile.h"
@@ -38,7 +37,7 @@ static int32_t tsDbUpdateSize;
 
 static int32_t mgmtCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate);
 static void    mgmtDropDb(SQueuedMsg *newMsg);
-static int32_t mgmtSetDbDirty(SDbObj *pDb);
+static int32_t mgmtSetDbDropping(SDbObj *pDb);
 static int32_t mgmtGetDbMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
 static int32_t mgmtRetrieveDbs(SShowObj *pShow, char *data, int32_t rows, void *pConn);
 static void    mgmtProcessCreateDbMsg(SQueuedMsg *pMsg);
@@ -146,11 +145,11 @@ SDbObj *mgmtGetDb(char *db) {
   return (SDbObj *)sdbGetRow(tsDbSdb, db);
 }
 
-void mgmtIncDbRef(SDbObj *pDb) { 
+void mgmtIncDbRef(SDbObj *pDb) {
   return sdbIncRef(tsDbSdb, pDb); 
 }
 
-void mgmtDecDbRef(SDbObj *pDb) { 
+void mgmtReleaseDb(SDbObj *pDb) { 
   return sdbDecRef(tsDbSdb, pDb); 
 }
 
@@ -289,7 +288,7 @@ static int32_t mgmtCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate) {
 
   SDbObj *pDb = mgmtGetDb(pCreate->db);
   if (pDb != NULL) {
-    mgmtDecDbRef(pDb);
+    mgmtReleaseDb(pDb);
     return TSDB_CODE_DB_ALREADY_EXIST;
   }
 
@@ -519,7 +518,7 @@ static int32_t mgmtGetDbMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn)
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
   pShow->numOfRows = pUser->pAcct->acctInfo.numOfDbs;
 
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
   return 0;
 }
 
@@ -631,15 +630,15 @@ static int32_t mgmtRetrieveDbs(SShowObj *pShow, char *data, int32_t rows, void *
     cols++;
 
     pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-    strcpy(pWrite, pDb->dirty != TSDB_DB_STATUS_READY ? "dropping" : "ready");
+    strcpy(pWrite, pDb->status != TSDB_DB_STATUS_READY ? "dropping" : "ready");
     cols++;
 
     numOfRows++;
-    mgmtDecDbRef(pDb);
+    mgmtReleaseDb(pDb);
   }
 
   pShow->numOfReads += numOfRows;
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
   return numOfRows;
 }
 
@@ -659,10 +658,10 @@ void mgmtRemoveTableFromDb(SDbObj *pDb) {
   atomic_add_fetch_32(&pDb->numOfTables, -1);
 }
 
-static int32_t mgmtSetDbDirty(SDbObj *pDb) {
-  if (pDb->dirty) return TSDB_CODE_SUCCESS;
+static int32_t mgmtSetDbDropping(SDbObj *pDb) {
+  if (pDb->status) return TSDB_CODE_SUCCESS;
 
-  pDb->dirty = true;
+  pDb->status = true;
   SSdbOperDesc oper = {
     .type = SDB_OPER_TYPE_GLOBAL,
     .table = tsDbSdb,
@@ -850,7 +849,7 @@ static void mgmtProcessDropDbMsg(SQueuedMsg *pMsg) {
     return;
   }
 
-  int32_t code = mgmtSetDbDirty(pDb);
+  int32_t code = mgmtSetDbDropping(pDb);
   if (code != TSDB_CODE_SUCCESS) {
     mError("db:%s, failed to drop, reason:%s", pDrop->db, tstrerror(code));
     mgmtSendSimpleResp(pMsg->thandle, code);
@@ -881,11 +880,11 @@ void  mgmtDropAllDbs(SAcctObj *pAcct)  {
     if (pDb == NULL) break;
 
     if (pDb->pAcct == pAcct) {
-      mgmtSetDbDirty(pDb);
+      mgmtSetDbDropping(pDb);
       numOfDbs++;
     }
-    mgmtDecDbRef(pDb);
+    mgmtReleaseDb(pDb);
   }
 
   mTrace("acct:%s, all dbs is is set dirty", pAcct->user, numOfDbs);
-}
\ No newline at end of file
+}

src/mnode/src/mgmtDnode.c

@@ -16,9 +16,9 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "tmodule.h"
-#include "tstatus.h"
-#include "mgmtBalance.h"
-#include "mgmtDnode.h"
+#include "tbalance.h"
+#include "tcluster.h"
+#include "mnode.h"
 #include "mgmtDClient.h"
 #include "mgmtMnode.h"
 #include "mgmtShell.h"
@@ -26,52 +26,29 @@
 #include "mgmtUser.h"
 #include "mgmtVgroup.h"
 
-static void    mgmtProcessCfgDnodeMsg(SQueuedMsg *pMsg);
-static void    mgmtProcessCfgDnodeMsgRsp(SRpcMsg *rpcMsg) ;
-static void    mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg);
-static int32_t mgmtGetModuleMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
-static int32_t mgmtRetrieveModules(SShowObj *pShow, char *data, int32_t rows, void *pConn);
-static int32_t mgmtGetConfigMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
-static int32_t mgmtRetrieveConfigs(SShowObj *pShow, char *data, int32_t rows, void *pConn);
-static int32_t mgmtGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
-static int32_t mgmtRetrieveVnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn);
-static int32_t mgmtGetDnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
-static int32_t mgmtRetrieveDnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn);
-
-extern int32_t clusterInit();
-extern void    clusterCleanUp();
-extern int32_t clusterGetDnodesNum();
-extern void *  clusterGetNextDnode(void *pNode, SDnodeObj **pDnode);
-extern void    clusterIncDnodeRef(SDnodeObj *pDnode);
-extern void    clusterDecDnodeRef(SDnodeObj *pDnode);
-extern SDnodeObj* clusterGetDnode(int32_t dnodeId);
-extern SDnodeObj* clusterGetDnodeByIp(uint32_t ip);
+static void    clusterProcessCfgDnodeMsg(SQueuedMsg *pMsg);
+static void    clusterProcessCfgDnodeMsgRsp(SRpcMsg *rpcMsg) ;
+static void    clusterProcessDnodeStatusMsg(SRpcMsg *rpcMsg);
+static int32_t clusterGetModuleMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
+static int32_t clusterRetrieveModules(SShowObj *pShow, char *data, int32_t rows, void *pConn);
+static int32_t clusterGetConfigMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
+static int32_t clusterRetrieveConfigs(SShowObj *pShow, char *data, int32_t rows, void *pConn);
+static int32_t clusterGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
+static int32_t clusterRetrieveVnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn);
+static int32_t clusterGetDnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
+static int32_t clusterRetrieveDnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn);
+
 #ifndef _CLUSTER
+
 static SDnodeObj  tsDnodeObj = {0};
-#endif
 
-int32_t mgmtInitDnodes() {
-  mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_CONFIG_DNODE, mgmtProcessCfgDnodeMsg);
-  mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_CONFIG_DNODE_RSP, mgmtProcessCfgDnodeMsgRsp);
-  mgmtAddDServerMsgHandle(TSDB_MSG_TYPE_DM_STATUS, mgmtProcessDnodeStatusMsg);
-  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_MODULE, mgmtGetModuleMeta);
-  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_MODULE, mgmtRetrieveModules);
-  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_CONFIGS, mgmtGetConfigMeta);
-  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_CONFIGS, mgmtRetrieveConfigs);
-  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_VNODES, mgmtGetVnodeMeta);
-  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_VNODES, mgmtRetrieveVnodes);
-  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_DNODE, mgmtGetDnodeMeta);
-  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_DNODE, mgmtRetrieveDnodes);
- 
-#ifdef _CLUSTER
-  return clusterInit();
-#else
+int32_t clusterInitDnodes() {
   tsDnodeObj.dnodeId          = 1;
   tsDnodeObj.privateIp        = inet_addr(tsPrivateIp);
   tsDnodeObj.publicIp         = inet_addr(tsPublicIp);
   tsDnodeObj.createdTime      = taosGetTimestampMs();
   tsDnodeObj.numOfTotalVnodes = tsNumOfTotalVnodes;
-  tsDnodeObj.status           = TSDB_DN_STATUS_OFFLINE;
+  tsDnodeObj.status           = TAOS_DN_STATUS_OFFLINE;
   tsDnodeObj.lastReboot       = taosGetTimestampSec();
   sprintf(tsDnodeObj.dnodeName, "%d", tsDnodeObj.dnodeId);
 
@@ -83,69 +60,47 @@ int32_t mgmtInitDnodes() {
     tsDnodeObj.moduleStatus |= (1 << TSDB_MOD_MONITOR);
   }
   return 0;
-#endif
 }
 
-void mgmtCleanUpDnodes() {
-#ifdef _CLUSTER
-  clusterCleanUp();
-#endif
-}
-
-SDnodeObj *mgmtGetDnode(int32_t dnodeId) {
-#ifdef _CLUSTER
-  return clusterGetDnode(dnodeId);
-#else
-  if (dnodeId == 1) {
-    return &tsDnodeObj;
+void *clusterGetNextDnode(void *pNode, SDnodeObj **pDnode) {
+  if (*pDnode == NULL) {
+    *pDnode = &tsDnodeObj;
   } else {
-    return NULL;
+    *pDnode = NULL;
   }
-#endif
-}
-
-SDnodeObj *mgmtGetDnodeByIp(uint32_t ip) {
-#ifdef _CLUSTER
-  return clusterGetDnodeByIp(ip);
-#else
-  return &tsDnodeObj;
-#endif
+  return *pDnode;
 }
 
-int32_t mgmtGetDnodesNum() {
-#ifdef _CLUSTER
-  return clusterGetDnodesNum();
-#else
-  return 1;
-#endif
-}
+void    clusterCleanupDnodes() {}
+int32_t clusterGetDnodesNum() { return 1; }
+void *  clusterGetDnode(int32_t dnodeId) { return dnodeId == 1 ? &tsDnodeObj : NULL; }
+void *  clusterGetDnodeByIp(uint32_t ip) { return &tsDnodeObj; }
+void    clusterReleaseDnode(struct _dnode_obj *pDnode) {}
+void    clusterUpdateDnode(struct _dnode_obj *pDnode) {}
 
-void mgmtIncDnodeRef(SDnodeObj *pDnode) {
-#ifdef _CLUSTER
-  return clusterIncDnodeRef(pDnode);
 #endif
-}
 
-void mgmtDecDnodeRef(SDnodeObj *pDnode) {
-#ifdef _CLUSTER
-  return clusterDecDnodeRef(pDnode);
-#endif
+int32_t clusterInit() {
+  mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_CONFIG_DNODE, clusterProcessCfgDnodeMsg);
+  mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_CONFIG_DNODE_RSP, clusterProcessCfgDnodeMsgRsp);
+  mgmtAddDServerMsgHandle(TSDB_MSG_TYPE_DM_STATUS, clusterProcessDnodeStatusMsg);
+  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_MODULE, clusterGetModuleMeta);
+  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_MODULE, clusterRetrieveModules);
+  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_CONFIGS, clusterGetConfigMeta);
+  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_CONFIGS, clusterRetrieveConfigs);
+  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_VNODES, clusterGetVnodeMeta);
+  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_VNODES, clusterRetrieveVnodes);
+  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_DNODE, clusterGetDnodeMeta);
+  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_DNODE, clusterRetrieveDnodes);
+ 
+  return clusterInitDnodes();
 }
 
-void *  mgmtGetNextDnode(void *pNode, SDnodeObj **pDnode) {
-#ifdef _CLUSTER
-  return clusterGetNextDnode(pNode, pDnode);
-#else
-  if (*pDnode == NULL) {
-    *pDnode = &tsDnodeObj;
-  } else {
-    *pDnode = NULL;
-  }
-  return *pDnode;
-#endif
+void clusterCleanUp() {
+  clusterCleanupDnodes();
 }
 
-void mgmtProcessCfgDnodeMsg(SQueuedMsg *pMsg) {
+void clusterProcessCfgDnodeMsg(SQueuedMsg *pMsg) {
   SRpcMsg rpcRsp = {.handle = pMsg->thandle, .pCont = NULL, .contLen = 0, .code = 0, .msgType = 0};
   
   SCMCfgDnodeMsg *pCmCfgDnode = pMsg->pCont;
@@ -181,11 +136,11 @@ void mgmtProcessCfgDnodeMsg(SQueuedMsg *pMsg) {
   rpcSendResponse(&rpcRsp);
 }
 
-static void mgmtProcessCfgDnodeMsgRsp(SRpcMsg *rpcMsg) {
+static void clusterProcessCfgDnodeMsgRsp(SRpcMsg *rpcMsg) {
   mPrint("cfg vnode rsp is received, result:%s", tstrerror(rpcMsg->code));
 }
 
-void mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
+void clusterProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
   if (mgmtCheckRedirect(rpcMsg->handle)) return;
 
   SDMStatusMsg *pStatus = rpcMsg->pCont;
@@ -205,14 +160,14 @@ void mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
 
   SDnodeObj *pDnode = NULL;
   if (pStatus->dnodeId == 0) {
-    pDnode = mgmtGetDnodeByIp(pStatus->privateIp);
+    pDnode = clusterGetDnodeByIp(pStatus->privateIp);
     if (pDnode == NULL) {
       mTrace("dnode not created, privateIp:%s", taosIpStr(pStatus->privateIp));
       mgmtSendSimpleResp(rpcMsg->handle, TSDB_CODE_DNODE_NOT_EXIST);
       return;
     }
   } else {
-    pDnode = mgmtGetDnode(pStatus->dnodeId);
+    pDnode = clusterGetDnode(pStatus->dnodeId);
     if (pDnode == NULL) {
       mError("dnode:%d, not exist, privateIp:%s", pStatus->dnodeId, taosIpStr(pStatus->privateIp));
       mgmtSendSimpleResp(rpcMsg->handle, TSDB_CODE_DNODE_NOT_EXIST);
@@ -245,16 +200,16 @@ void mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
       mPrint("dnode:%d, vgroup:%d not exist in mnode, drop it", pDnode->dnodeId, pDnode->vload[j].vgId);
       mgmtSendDropVnodeMsg(pDnode->vload[j].vgId, &ipSet, NULL);
     }
-    mgmtDecVgroupRef(pVgroup);
+    mgmtReleaseVgroup(pVgroup);
   }
 
-  if (pDnode->status != TSDB_DN_STATUS_READY) {
+  if (pDnode->status == TAOS_DN_STATUS_OFFLINE) {
     mTrace("dnode:%d, from offline to online", pDnode->dnodeId);
-    pDnode->status = TSDB_DN_STATUS_READY;
-    mgmtBalanceNotify();
+    pDnode->status = TAOS_DN_STATUS_READY;
+    balanceNotify();
   }
 
-  mgmtDecDnodeRef(pDnode);
+  clusterReleaseDnode(pDnode);
 
   int32_t contLen = sizeof(SDMStatusRsp) + TSDB_MAX_VNODES * sizeof(SVnodeAccess);
   SDMStatusRsp *pRsp = rpcMallocCont(contLen);
@@ -284,7 +239,7 @@ void mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
   rpcSendResponse(&rpcRsp);
 }
 
-static int32_t mgmtGetDnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
+static int32_t clusterGetDnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
   SUserObj *pUser = mgmtGetUserFromConn(pConn, NULL);
   if (pUser == NULL) return 0;
 
@@ -351,16 +306,16 @@ static int32_t mgmtGetDnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pCo
     pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
   }
 
-  pShow->numOfRows = mgmtGetDnodesNum();
+  pShow->numOfRows = clusterGetDnodesNum();
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
   pShow->pNode = NULL;
 
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
 
   return 0;
 }
 
-static int32_t mgmtRetrieveDnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
+static int32_t clusterRetrieveDnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
   int32_t    numOfRows = 0;
   int32_t    cols      = 0;
   SDnodeObj *pDnode   = NULL;
@@ -368,8 +323,8 @@ static int32_t mgmtRetrieveDnodes(SShowObj *pShow, char *data, int32_t rows, voi
   char       ipstr[32];
 
   while (numOfRows < rows) {
-    mgmtDecDnodeRef(pDnode);
-    pShow->pNode = mgmtGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
+    clusterReleaseDnode(pDnode);
+    pShow->pNode = clusterGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
     if (pDnode == NULL) break;
 
     cols = 0;
@@ -393,7 +348,7 @@ static int32_t mgmtRetrieveDnodes(SShowObj *pShow, char *data, int32_t rows, voi
     cols++;
 
     pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-    strcpy(pWrite, taosGetDnodeStatusStr(pDnode->status) );
+    strcpy(pWrite, clusterGetDnodeStatusStr(pDnode->status));
     cols++;
 
     pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
@@ -406,7 +361,7 @@ static int32_t mgmtRetrieveDnodes(SShowObj *pShow, char *data, int32_t rows, voi
 
 #ifdef _VPEER
     pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-    strcpy(pWrite, taosGetDnodeLbStatusStr(pDnode->lbStatus));
+    strcpy(pWrite, clusterGetDnodeStatusStr(pDnode->status));
     cols++;
 #endif    
 
@@ -422,7 +377,7 @@ static bool clusterCheckModuleInDnode(SDnodeObj *pDnode, int32_t moduleType) {
   return status > 0;
 }
 
-static int32_t mgmtGetModuleMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
+static int32_t clusterGetModuleMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
   int32_t cols = 0;
 
   SUserObj *pUser = mgmtGetUserFromConn(pConn, NULL);
@@ -461,7 +416,7 @@ static int32_t mgmtGetModuleMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pC
   pShow->numOfRows = 0;
   SDnodeObj *pDnode = NULL;
   while (1) {
-    pShow->pNode = mgmtGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
+    pShow->pNode = clusterGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
     if (pDnode == NULL) break;
     for (int32_t moduleType = 0; moduleType < TSDB_MOD_MAX; ++moduleType) {
       if (clusterCheckModuleInDnode(pDnode, moduleType)) {
@@ -472,12 +427,12 @@ static int32_t mgmtGetModuleMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pC
 
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
   pShow->pNode = NULL;
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
 
   return 0;
 }
 
-int32_t mgmtRetrieveModules(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
+int32_t clusterRetrieveModules(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
   int32_t    numOfRows = 0;
   SDnodeObj *pDnode = NULL;
   char *     pWrite;
@@ -485,8 +440,8 @@ int32_t mgmtRetrieveModules(SShowObj *pShow, char *data, int32_t rows, void *pCo
   char       ipstr[20];
 
   while (numOfRows < rows) {
-    mgmtDecDnodeRef(pDnode);
-    pShow->pNode = mgmtGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
+    clusterReleaseDnode(pDnode);
+    pShow->pNode = clusterGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
     if (pDnode == NULL) break;
 
     for (int32_t moduleType = 0; moduleType < TSDB_MOD_MAX; ++moduleType) {
@@ -506,7 +461,7 @@ int32_t mgmtRetrieveModules(SShowObj *pShow, char *data, int32_t rows, void *pCo
       cols++;
 
       pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-      strcpy(pWrite, taosGetDnodeStatusStr(pDnode->status) );
+      strcpy(pWrite, clusterGetDnodeStatusStr(pDnode->status));
       cols++;
 
       numOfRows++;
@@ -523,7 +478,7 @@ static bool clusterCheckConfigShow(SGlobalConfig *cfg) {
   return true;
 }
 
-static int32_t mgmtGetConfigMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
+static int32_t clusterGetConfigMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
   int32_t cols = 0;
 
   SUserObj *pUser = mgmtGetUserFromConn(pConn, NULL);
@@ -560,12 +515,12 @@ static int32_t mgmtGetConfigMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pC
 
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
   pShow->pNode = NULL;
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
 
   return 0;
 }
 
-static int32_t mgmtRetrieveConfigs(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
+static int32_t clusterRetrieveConfigs(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
   int32_t numOfRows = 0;
 
   for (int32_t i = tsGlobalConfigNum - 1; i >= 0 && numOfRows < rows; --i) {
@@ -612,7 +567,7 @@ static int32_t mgmtRetrieveConfigs(SShowObj *pShow, char *data, int32_t rows, vo
   return numOfRows;
 }
 
-static int32_t mgmtGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
+static int32_t clusterGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
   int32_t cols = 0;
   SUserObj *pUser = mgmtGetUserFromConn(pConn, NULL);
   if (pUser == NULL) return 0;
@@ -632,12 +587,6 @@ static int32_t mgmtGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pCo
   pSchema[cols].bytes = htons(pShow->bytes[cols]);
   cols++;
 
-  pShow->bytes[cols] = 12;
-  pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
-  strcpy(pSchema[cols].name, "sync_status");
-  pSchema[cols].bytes = htons(pShow->bytes[cols]);
-  cols++;
-
   pMeta->numOfColumns = htons(cols);
   pShow->numOfColumns = cols;
 
@@ -647,7 +596,7 @@ static int32_t mgmtGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pCo
   SDnodeObj *pDnode = NULL;
   if (pShow->payloadLen > 0 ) {
     uint32_t ip = ip2uint(pShow->payload);
-    pDnode = mgmtGetDnodeByIp(ip);
+    pDnode = clusterGetDnodeByIp(ip);
     if (NULL == pDnode) {
       return TSDB_CODE_NODE_OFFLINE;
     }
@@ -664,7 +613,7 @@ static int32_t mgmtGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pCo
     pShow->pNode = pDnode;
   } else {
     while (true) {
-      pShow->pNode = mgmtGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
+      pShow->pNode = clusterGetNextDnode(pShow->pNode, (SDnodeObj **)&pDnode);
       if (pDnode == NULL) break;
       pShow->numOfRows += pDnode->openVnodes;
 
@@ -675,13 +624,13 @@ static int32_t mgmtGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pCo
   } 
 
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
-  mgmtDecDnodeRef(pDnode);
-  mgmtDecUserRef(pUser);
+  clusterReleaseDnode(pDnode);
+  mgmtReleaseUser(pUser);
 
   return 0;
 }
 
-static int32_t mgmtRetrieveVnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
+static int32_t clusterRetrieveVnodes(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
   int32_t    numOfRows = 0;
   SDnodeObj *pDnode = NULL;
   char *     pWrite;
@@ -707,11 +656,7 @@ static int32_t mgmtRetrieveVnodes(SShowObj *pShow, char *data, int32_t rows, voi
         cols++;
         
         pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-        strcpy(pWrite, taosGetVnodeStatusStr(pVnode->status));
-        cols++;
-        
-        pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-        strcpy(pWrite, taosGetVnodeSyncStatusStr(pVnode->syncStatus));
+        strcpy(pWrite, pVnode->status ? "ready" : "offline");
         cols++;
         
         numOfRows++;
@@ -724,4 +669,14 @@ static int32_t mgmtRetrieveVnodes(SShowObj *pShow, char *data, int32_t rows, voi
   
   pShow->numOfReads += numOfRows;
   return numOfRows;
-}
\ No newline at end of file
+}
+
+char* clusterGetDnodeStatusStr(int32_t dnodeStatus) {
+  switch (dnodeStatus) {
+    case TAOS_DN_STATUS_OFFLINE:   return "offline";
+    case TAOS_DN_STATUS_DROPPING:  return "dropping";
+    case TAOS_DN_STATUS_BALANCING: return "balancing";
+    case TAOS_DN_STATUS_READY:     return "ready";
+    default:                       return "undefined";
+  }
+}

src/mnode/src/mgmtGrant.c

@@ -18,7 +18,7 @@
 #include "os.h"
 #include "taoserror.h"
 #include "tlog.h"
-#include "mgmtGrant.h"
+#include "tgrant.h"
 
 int32_t grantInit() { return TSDB_CODE_SUCCESS; }
 void    grantCleanUp() {}

src/mnode/src/mgmtMain.c

@@ -19,13 +19,13 @@
 #include "tmodule.h"
 #include "tsched.h"
 #include "mnode.h"
-#include "mgmtAcct.h"
-#include "mgmtBalance.h"
+#include "taccount.h"
+#include "tbalance.h"
+#include "tcluster.h"
 #include "mgmtDb.h"
 #include "mgmtDClient.h"
-#include "mgmtDnode.h"
 #include "mgmtDServer.h"
-#include "mgmtGrant.h"
+#include "tgrant.h"
 #include "mgmtMnode.h"
 #include "mgmtSdb.h"
 #include "mgmtVgroup.h"
@@ -89,7 +89,7 @@ int32_t mgmtStartSystem() {
     return -1;
   }
 
-  if (mgmtInitDnodes() < 0) {
+  if (clusterInit() < 0) {
     mError("failed to init dnodes");
     return -1;
   }
@@ -122,7 +122,7 @@ int32_t mgmtStartSystem() {
     return -1;
   }
 
-  if (mgmtInitBalance() < 0) {
+  if (balanceInit() < 0) {
     mError("failed to init dnode balance")
   }
 
@@ -148,14 +148,14 @@ void mgmtCleanUpSystem() {
   mPrint("starting to clean up mgmt");
   grantCleanUp();
   mgmtCleanupMnodes();
-  mgmtCleanupBalance();
+  balanceCleanUp();
   mgmtCleanUpShell();
   mgmtCleanupDClient();
   mgmtCleanupDServer();
   mgmtCleanUpTables();
   mgmtCleanUpVgroups();
   mgmtCleanUpDbs();
-  mgmtCleanUpDnodes();
+  clusterCleanUp();
   mgmtCleanUpUsers();
   acctCleanUp();
   taosTmrCleanUp(tsMgmtTmr);

src/mnode/src/mgmtMnode.c

@@ -16,7 +16,6 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "taoserror.h"
-#include "tstatus.h"
 #include "trpc.h"
 #include "mgmtMnode.h"
 #include "mgmtSdb.h"
@@ -64,6 +63,25 @@ static void *mgmtGetNextMnode(void *pNode, SMnodeObj **pMnode) {
   return *pMnode;
 }
 
+char *taosGetMnodeStatusStr(int32_t mnodeStatus) {
+  switch (mnodeStatus) {
+    case TSDB_MN_STATUS_OFFLINE:   return "offline";
+    case TSDB_MN_STATUS_UNSYNCED:  return "unsynced";
+    case TSDB_MN_STATUS_SYNCING:   return "syncing";
+    case TSDB_MN_STATUS_SERVING:   return "serving";
+    default:                       return "undefined";
+  }
+}
+
+char *taosGetMnodeRoleStr(int32_t mnodeRole) {
+  switch (mnodeRole) {
+    case TSDB_MN_ROLE_UNDECIDED: return "undicided";
+    case TSDB_MN_ROLE_SLAVE:     return "slave";
+    case TSDB_MN_ROLE_MASTER:    return "master";
+    default:                     return "undefined";
+  }
+}
+
 static int32_t mgmtGetMnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
   SUserObj *pUser = mgmtGetUserFromConn(pConn, NULL);
   if (pUser == NULL) return 0;
@@ -120,7 +138,7 @@ static int32_t mgmtGetMnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pCo
   pShow->numOfRows = mgmtGetMnodesNum();
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
   pShow->pNode = NULL;
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
 
   return 0;
 }

src/mnode/src/mgmtProfile.c

@@ -16,6 +16,8 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "taosmsg.h"
+#include "taccount.h"
+#include "tcluster.h"
 #include "mgmtDb.h"
 #include "mgmtMnode.h"
 #include "mgmtProfile.h"
@@ -787,12 +789,12 @@ void *mgmtMallocQueuedMsg(SRpcMsg *rpcMsg) {
 void mgmtFreeQueuedMsg(SQueuedMsg *pMsg) {
   if (pMsg != NULL) {
     rpcFreeCont(pMsg->pCont);
-    if (pMsg->pUser) mgmtDecUserRef(pMsg->pUser);
-    if (pMsg->pDb) mgmtDecDbRef(pMsg->pDb);
-    if (pMsg->pVgroup) mgmtDecVgroupRef(pMsg->pVgroup);
+    if (pMsg->pUser) mgmtReleaseUser(pMsg->pUser);
+    if (pMsg->pDb) mgmtReleaseDb(pMsg->pDb);
+    if (pMsg->pVgroup) mgmtReleaseVgroup(pMsg->pVgroup);
     if (pMsg->pTable) mgmtDecTableRef(pMsg->pTable);
-    // if (pMsg->pAcct) acctDecRef(pMsg->pAcct);
-    // if (pMsg->pDnode) mgmtDecTableRef(pMsg->pDnode);
+    if (pMsg->pAcct) acctReleaseAcct(pMsg->pAcct);
+    if (pMsg->pDnode) clusterReleaseDnode(pMsg->pDnode);
     free(pMsg);
   }
 }

src/mnode/src/mgmtSdb.c

@@ -435,7 +435,7 @@ void sdbIncRef(void *handle, void *pRow) {
     SSdbTable *pTable = handle;
     int32_t *pRefCount = (int32_t *)(pRow + pTable->refCountPos);
     atomic_add_fetch_32(pRefCount, 1);
-    if (0) {
+    if (0 && strcmp(pTable->tableName, "dnodes") == 0) {
       sdbTrace("table:%s, add ref to record:%s:%s:%d", pTable->tableName, pTable->tableName, sdbGetkeyStr(pTable, pRow), *pRefCount);
     }
   }
@@ -446,7 +446,7 @@ void sdbDecRef(void *handle, void *pRow) {
     SSdbTable *pTable = handle;
     int32_t *pRefCount = (int32_t *)(pRow + pTable->refCountPos);
     int32_t  refCount = atomic_sub_fetch_32(pRefCount, 1);
-    if (0) {
+    if (0 && strcmp(pTable->tableName, "dnodes") == 0) {
       sdbTrace("table:%s, def ref of record:%s:%s:%d", pTable->tableName, pTable->tableName, sdbGetkeyStr(pTable, pRow), *pRefCount);
     }
     int8_t* updateEnd = pRow + pTable->refCountPos - 1;

src/mnode/src/mgmtShell.c

@@ -19,15 +19,14 @@
 #include "taoserror.h"
 #include "tlog.h"
 #include "trpc.h"
-#include "tstatus.h"
 #include "tsched.h"
 #include "dnode.h"
 #include "mnode.h"
-#include "mgmtAcct.h"
-#include "mgmtBalance.h"
+#include "taccount.h"
+#include "tbalance.h"
 #include "mgmtDb.h"
-#include "mgmtDnode.h"
-#include "mgmtGrant.h"
+#include "tcluster.h"
+#include "tgrant.h"
 #include "mgmtMnode.h"
 #include "mgmtProfile.h"
 #include "mgmtSdb.h"
@@ -179,6 +178,28 @@ static void mgmtProcessMsgFromShell(SRpcMsg *rpcMsg) {
   }
 }
 
+char *mgmtGetShowTypeStr(int32_t showType) {
+  switch (showType) {
+    case TSDB_MGMT_TABLE_ACCT:    return "show accounts";
+    case TSDB_MGMT_TABLE_USER:    return "show users";
+    case TSDB_MGMT_TABLE_DB:      return "show databases";
+    case TSDB_MGMT_TABLE_TABLE:   return "show tables";
+    case TSDB_MGMT_TABLE_DNODE:   return "show dnodes";
+    case TSDB_MGMT_TABLE_MNODE:   return "show mnodes";
+    case TSDB_MGMT_TABLE_VGROUP:  return "show vgroups";
+    case TSDB_MGMT_TABLE_METRIC:  return "show stables";
+    case TSDB_MGMT_TABLE_MODULE:  return "show modules";
+    case TSDB_MGMT_TABLE_QUERIES: return "show queries";
+    case TSDB_MGMT_TABLE_STREAMS: return "show streams";
+    case TSDB_MGMT_TABLE_CONFIGS: return "show configs";
+    case TSDB_MGMT_TABLE_CONNS:   return "show connections";
+    case TSDB_MGMT_TABLE_SCORES:  return "show scores";
+    case TSDB_MGMT_TABLE_GRANTS:  return "show grants";
+    case TSDB_MGMT_TABLE_VNODES:  return "show vnodes";
+    default:                      return "undefined";
+  }
+}
+
 static void mgmtProcessShowMsg(SQueuedMsg *pMsg) {
   SCMShowMsg *pShowMsg = pMsg->pCont;
   if (pShowMsg->type >= TSDB_MGMT_TABLE_MAX) {
@@ -187,7 +208,7 @@ static void mgmtProcessShowMsg(SQueuedMsg *pMsg) {
   }
 
   if (!tsMgmtShowMetaFp[pShowMsg->type] || !tsMgmtShowRetrieveFp[pShowMsg->type]) {
-    mError("show type:%s is not support", taosGetShowTypeStr(pShowMsg->type));
+    mError("show type:%s is not support", mgmtGetShowTypeStr(pShowMsg->type));
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_OPS_NOT_SUPPORT);
     return;
   }
@@ -209,7 +230,7 @@ static void mgmtProcessShowMsg(SQueuedMsg *pMsg) {
   mgmtSaveQhandle(pShow);
   pShowRsp->qhandle = htobe64((uint64_t) pShow);
 
-  mTrace("show:%p, type:%s, start to get meta", pShow, taosGetShowTypeStr(pShowMsg->type));
+  mTrace("show:%p, type:%s, start to get meta", pShow, mgmtGetShowTypeStr(pShowMsg->type));
   int32_t code = (*tsMgmtShowMetaFp[pShowMsg->type])(&pShowRsp->tableMeta, pShow, pMsg->thandle);
   if (code == 0) {
     SRpcMsg rpcRsp = {
@@ -220,7 +241,7 @@ static void mgmtProcessShowMsg(SQueuedMsg *pMsg) {
     };
     rpcSendResponse(&rpcRsp);
   } else {
-    mError("show:%p, type:%s, failed to get meta, reason:%s", pShow, taosGetShowTypeStr(pShowMsg->type), tstrerror(code));
+    mError("show:%p, type:%s, failed to get meta, reason:%s", pShow, mgmtGetShowTypeStr(pShowMsg->type), tstrerror(code));
     mgmtFreeQhandle(pShow);
     SRpcMsg rpcRsp = {
       .handle  = pMsg->thandle,
@@ -248,7 +269,7 @@ static void mgmtProcessRetrieveMsg(SQueuedMsg *pMsg) {
   }
 
   SShowObj *pShow = (SShowObj *)pRetrieve->qhandle;
-  mTrace("show:%p, type:%s, retrieve data", pShow, taosGetShowTypeStr(pShow->type));
+  mTrace("show:%p, type:%s, retrieve data", pShow, mgmtGetShowTypeStr(pShow->type));
 
   if (!mgmtCheckQhandle(pRetrieve->qhandle)) {
     mError("pShow:%p, query memory is corrupted", pShow);
@@ -338,11 +359,11 @@ static int mgmtShellRetriveAuth(char *user, char *spi, char *encrypt, char *secr
   SUserObj *pUser = mgmtGetUser(user);
   if (pUser == NULL) {
     *secret = 0;
-    mgmtDecUserRef(pUser);
+    mgmtReleaseUser(pUser);
     return TSDB_CODE_INVALID_USER;
   } else {
     memcpy(secret, pUser->pass, TSDB_KEY_LEN);
-    mgmtDecUserRef(pUser);
+    mgmtReleaseUser(pUser);
     return TSDB_CODE_SUCCESS;
   }
 }

src/mnode/src/mgmtTable.c

@@ -19,7 +19,6 @@
 #include "tscompression.h"
 #include "tskiplist.h"
 #include "ttime.h"
-#include "tstatus.h"
 #include "tutil.h"
 #include "qast.h"
 #include "qextbuffer.h"
@@ -28,15 +27,14 @@
 #include "tscompression.h"
 #include "tskiplist.h"
 #include "tsqlfunction.h"
-#include "tstatus.h"
 #include "ttime.h"
 #include "name.h"
-#include "mgmtAcct.h"
+#include "taccount.h"
 #include "mgmtDClient.h"
 #include "mgmtDb.h"
-#include "mgmtDnode.h"
+#include "tcluster.h"
 #include "mgmtDServer.h"
-#include "mgmtGrant.h"
+#include "tgrant.h"
 #include "mgmtMnode.h"
 #include "mgmtProfile.h"
 #include "mgmtSdb.h"
@@ -98,21 +96,21 @@ static int32_t mgmtChildTableActionInsert(SSdbOperDesc *pOper) {
     mError("ctable:%s, not in vgroup:%d", pTable->info.tableId, pTable->vgId);
     return TSDB_CODE_INVALID_VGROUP_ID;
   }
-  mgmtDecVgroupRef(pVgroup);
+  mgmtReleaseVgroup(pVgroup);
 
   SDbObj *pDb = mgmtGetDb(pVgroup->dbName);
   if (pDb == NULL) {
     mError("ctable:%s, vgroup:%d not in db:%s", pTable->info.tableId, pVgroup->vgId, pVgroup->dbName);
     return TSDB_CODE_INVALID_DB;
   }
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   SAcctObj *pAcct = acctGetAcct(pDb->cfg.acct);
   if (pAcct == NULL) {
     mError("ctable:%s, account:%s not exists", pTable->info.tableId, pDb->cfg.acct);
     return TSDB_CODE_INVALID_ACCT;
   }
-  acctDecRef(pAcct);
+  acctReleaseAcct(pAcct);
 
   if (pTable->info.type == TSDB_CHILD_TABLE) {
     pTable->superTable = mgmtGetSuperTable(pTable->superTableId);
@@ -140,21 +138,21 @@ static int32_t mgmtChildTableActionDelete(SSdbOperDesc *pOper) {
   if (pVgroup == NULL) {
     return TSDB_CODE_INVALID_VGROUP_ID;
   }
-  mgmtDecVgroupRef(pVgroup);
+  mgmtReleaseVgroup(pVgroup);
 
   SDbObj *pDb = mgmtGetDb(pVgroup->dbName);
   if (pDb == NULL) {
     mError("ctable:%s, vgroup:%d not in DB:%s", pTable->info.tableId, pVgroup->vgId, pVgroup->dbName);
     return TSDB_CODE_INVALID_DB;
   }
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   SAcctObj *pAcct = acctGetAcct(pDb->cfg.acct);
   if (pAcct == NULL) {
     mError("ctable:%s, account:%s not exists", pTable->info.tableId, pDb->cfg.acct);
     return TSDB_CODE_INVALID_ACCT;
   }
-  acctDecRef(pAcct);
+  acctReleaseAcct(pAcct);
 
   if (pTable->info.type == TSDB_CHILD_TABLE) {
     grantRestore(TSDB_GRANT_TIMESERIES, pTable->superTable->numOfColumns - 1);
@@ -272,7 +270,7 @@ static int32_t mgmtInitChildTables() {
       pNode = pLastNode;
       continue;
     }
-    mgmtDecDbRef(pDb);
+    mgmtReleaseDb(pDb);
 
     SVgObj *pVgroup = mgmtGetVgroup(pTable->vgId);
     if (pVgroup == NULL) {
@@ -286,7 +284,7 @@ static int32_t mgmtInitChildTables() {
       pNode = pLastNode;
       continue;
     }
-    mgmtDecVgroupRef(pVgroup);
+    mgmtReleaseVgroup(pVgroup);
 
     if (strcmp(pVgroup->dbName, pDb->name) != 0) {
       mError("ctable:%s, db:%s not match with vgroup:%d db:%s sid:%d, discard it",
@@ -354,7 +352,7 @@ static int32_t mgmtSuperTableActionInsert(SSdbOperDesc *pOper) {
   if (pDb != NULL) {
     mgmtAddSuperTableIntoDb(pDb);
   }
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -366,7 +364,7 @@ static int32_t mgmtSuperTableActionDelete(SSdbOperDesc *pOper) {
     mgmtRemoveSuperTableFromDb(pDb);
     mgmtDropAllChildTablesInStable((SSuperTableObj *)pStable);
   }
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -554,7 +552,7 @@ static void mgmtProcessCreateTableMsg(SQueuedMsg *pMsg) {
   }
 
   pMsg->pDb = mgmtGetDb(pCreate->db);
-  if (pMsg->pDb == NULL || pMsg->pDb->dirty) {
+  if (pMsg->pDb == NULL || pMsg->pDb->status != TSDB_DB_STATUS_READY) {
     mError("table:%s, failed to create, db not selected", pCreate->tableId);
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_DB_NOT_SELECTED);
     return;
@@ -572,7 +570,7 @@ static void mgmtProcessCreateTableMsg(SQueuedMsg *pMsg) {
 static void mgmtProcessDropTableMsg(SQueuedMsg *pMsg) {
   SCMDropTableMsg *pDrop = pMsg->pCont;
   pMsg->pDb = mgmtGetDbByTableId(pDrop->tableId);
-  if (pMsg->pDb == NULL || pMsg->pDb->dirty) {
+  if (pMsg->pDb == NULL || pMsg->pDb->status != TSDB_DB_STATUS_READY) {
     mError("table:%s, failed to drop table, db not selected", pDrop->tableId);
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_DB_NOT_SELECTED);
     return;
@@ -611,7 +609,7 @@ static void mgmtProcessTableMetaMsg(SQueuedMsg *pMsg) {
   mTrace("table:%s, table meta msg is received from thandle:%p", pInfo->tableId, pMsg->thandle);
 
   pMsg->pDb = mgmtGetDbByTableId(pInfo->tableId);
-  if (pMsg->pDb == NULL || pMsg->pDb->dirty) {
+  if (pMsg->pDb == NULL || pMsg->pDb->status != TSDB_DB_STATUS_READY) {
     mError("table:%s, failed to get table meta, db not selected", pInfo->tableId);
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_DB_NOT_SELECTED);
     return;
@@ -860,7 +858,7 @@ static int32_t mgmtAddSuperTableColumn(SDbObj *pDb, SSuperTableObj *pStable, SSc
   SAcctObj *pAcct = acctGetAcct(pDb->cfg.acct);
   if (pAcct != NULL) {
     pAcct->acctInfo.numOfTimeSeries += (ncols * pStable->numOfTables);
-    acctDecRef(pAcct);
+    acctReleaseAcct(pAcct);
   }
 
   SSdbOperDesc oper = {
@@ -897,7 +895,7 @@ static int32_t mgmtDropSuperTableColumn(SDbObj *pDb, SSuperTableObj *pStable, ch
   SAcctObj *pAcct = acctGetAcct(pDb->cfg.acct);
   if (pAcct != NULL) {
     pAcct->acctInfo.numOfTimeSeries -= pStable->numOfTables;
-    acctDecRef(pAcct);
+    acctReleaseAcct(pAcct);
   }
 
   SSdbOperDesc oper = {
@@ -963,7 +961,7 @@ static int32_t mgmtGetShowSuperTableMeta(STableMetaMsg *pMeta, SShowObj *pShow,
   pShow->numOfRows = pDb->numOfSuperTables;
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
 
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
   return 0;
 }
 
@@ -1028,7 +1026,7 @@ int32_t mgmtRetrieveShowSuperTables(SShowObj *pShow, char *data, int32_t rows, v
   }
 
   pShow->numOfReads += numOfRows;
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   return numOfRows;
 }
@@ -1106,7 +1104,7 @@ static void mgmtProcessSuperTableVgroupMsg(SQueuedMsg *pMsg) {
     return;
   }
 
-  SCMSTableVgroupRspMsg *pRsp = rpcMallocCont(sizeof(SCMSTableVgroupRspMsg) + sizeof(uint32_t) * mgmtGetDnodesNum());
+  SCMSTableVgroupRspMsg *pRsp = rpcMallocCont(sizeof(SCMSTableVgroupRspMsg) + sizeof(uint32_t) * clusterGetDnodesNum());
   if (pRsp == NULL) {
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_INVALID_TABLE);
     return;
@@ -1409,7 +1407,7 @@ static int32_t mgmtAddNormalTableColumn(SDbObj *pDb, SChildTableObj *pTable, SSc
   SAcctObj *pAcct = acctGetAcct(pDb->cfg.acct);
   if (pAcct != NULL) {
      pAcct->acctInfo.numOfTimeSeries += ncols;
-    acctDecRef(pAcct);
+    acctReleaseAcct(pAcct);
   }
  
   SSdbOperDesc oper = {
@@ -1443,7 +1441,7 @@ static int32_t mgmtDropNormalTableColumn(SDbObj *pDb, SChildTableObj *pTable, ch
   SAcctObj *pAcct = acctGetAcct(pDb->cfg.acct);
   if (pAcct != NULL) {
     pAcct->acctInfo.numOfTimeSeries--;
-    acctDecRef(pAcct);
+    acctReleaseAcct(pAcct);
   }
  
   SSdbOperDesc oper = {
@@ -1633,7 +1631,7 @@ static void mgmtDropAllChildTablesInStable(SSuperTableObj *pStable) {
 }
 
 static SChildTableObj* mgmtGetTableByPos(uint32_t dnodeId, int32_t vnode, int32_t sid) {
-  SDnodeObj *pObj = mgmtGetDnode(dnodeId);
+  SDnodeObj *pObj = clusterGetDnode(dnodeId);
   SVgObj *pVgroup = mgmtGetVgroup(vnode);
 
   if (pObj == NULL || pVgroup == NULL) {
@@ -1642,7 +1640,7 @@ static SChildTableObj* mgmtGetTableByPos(uint32_t dnodeId, int32_t vnode, int32_
 
   SChildTableObj *pTable = pVgroup->tableList[sid];
   mgmtIncTableRef((STableObj *)pTable);
-  mgmtDecVgroupRef(pVgroup);
+  mgmtReleaseVgroup(pVgroup);
   return pTable;
 }
 
@@ -1863,7 +1861,7 @@ static int32_t mgmtGetShowTableMeta(STableMetaMsg *pMeta, SShowObj *pShow, void
   pShow->numOfRows = pDb->numOfTables;
   pShow->rowSize   = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
 
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
   return 0;
 }
 
@@ -1940,7 +1938,7 @@ static int32_t mgmtRetrieveShowTables(SShowObj *pShow, char *data, int32_t rows,
   const int32_t NUM_OF_COLUMNS = 4;
 
   mgmtVacuumResult(data, NUM_OF_COLUMNS, numOfRows, rows, pShow);
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   return numOfRows;
 }
@@ -1950,7 +1948,7 @@ static void mgmtProcessAlterTableMsg(SQueuedMsg *pMsg) {
   mTrace("table:%s, alter table msg is received from thandle:%p", pAlter->tableId, pMsg->thandle);
 
   pMsg->pDb = mgmtGetDbByTableId(pAlter->tableId);
-  if (pMsg->pDb == NULL || pMsg->pDb->dirty) {
+  if (pMsg->pDb == NULL || pMsg->pDb->status != TSDB_DB_STATUS_READY) {
     mError("table:%s, failed to alter table, db not selected", pAlter->tableId);
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_DB_NOT_SELECTED);
     return;

src/mnode/src/mgmtUser.c

@@ -18,8 +18,8 @@
 #include "trpc.h"
 #include "ttime.h"
 #include "tutil.h"
-#include "mgmtAcct.h"
-#include "mgmtGrant.h"
+#include "taccount.h"
+#include "tgrant.h"
 #include "mgmtMnode.h"
 #include "mgmtSdb.h"
 #include "mgmtShell.h"
@@ -117,7 +117,7 @@ int32_t mgmtInitUsers() {
   mgmtCreateUser(pAcct, "root", "taosdata");
   mgmtCreateUser(pAcct, "monitor", tsInternalPass);
   mgmtCreateUser(pAcct, "_root", tsInternalPass);
-  acctDecRef(pAcct);
+  acctReleaseAcct(pAcct);
 
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_CREATE_USER, mgmtProcessCreateUserMsg);
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_ALTER_USER, mgmtProcessAlterUserMsg);
@@ -137,11 +137,7 @@ SUserObj *mgmtGetUser(char *name) {
   return (SUserObj *)sdbGetRow(tsUserSdb, name);
 }
 
-void mgmtIncUserRef(SUserObj *pUser) { 
-  return sdbIncRef(tsUserSdb, pUser); 
-}
-
-void mgmtDecUserRef(SUserObj *pUser) { 
+void mgmtReleaseUser(SUserObj *pUser) { 
   return sdbDecRef(tsUserSdb, pUser); 
 }
 
@@ -174,7 +170,7 @@ int32_t mgmtCreateUser(SAcctObj *pAcct, char *name, char *pass) {
   SUserObj *pUser = mgmtGetUser(name);
   if (pUser != NULL) {
     mTrace("user:%s is already there", name);
-    mgmtDecUserRef(pUser);
+    mgmtReleaseUser(pUser);
     return TSDB_CODE_USER_ALREADY_EXIST;
   }
 
@@ -264,7 +260,7 @@ static int32_t mgmtGetUserMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pCon
   pShow->numOfRows = pUser->pAcct->acctInfo.numOfUsers;
   pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
 
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
   return 0;
 }
 
@@ -299,7 +295,7 @@ static int32_t mgmtRetrieveUsers(SShowObj *pShow, char *data, int32_t rows, void
     cols++;
 
     numOfRows++;
-    mgmtDecUserRef(pUser);
+    mgmtReleaseUser(pUser);
   }
   pShow->numOfReads += numOfRows;
   return numOfRows;
@@ -351,7 +347,7 @@ static void mgmtProcessAlterUserMsg(SQueuedMsg *pMsg) {
 
   if (strcmp(pUser->user, "monitor") == 0 || (strcmp(pUser->user + 1, pUser->acct) == 0 && pUser->user[0] == '_')) {
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_NO_RIGHTS);
-    mgmtDecUserRef(pUser);
+    mgmtReleaseUser(pUser);
     return;
   }
 
@@ -427,7 +423,7 @@ static void mgmtProcessAlterUserMsg(SQueuedMsg *pMsg) {
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_NO_RIGHTS);
   }
 
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
 }
 
 static void mgmtProcessDropUserMsg(SQueuedMsg *pMsg) {
@@ -446,7 +442,7 @@ static void mgmtProcessDropUserMsg(SQueuedMsg *pMsg) {
   if (strcmp(pUser->user, "monitor") == 0 || strcmp(pUser->user, pUser->acct) == 0 ||
     (strcmp(pUser->user + 1, pUser->acct) == 0 && pUser->user[0] == '_')) {
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_NO_RIGHTS);
-    mgmtDecUserRef(pUser);
+    mgmtReleaseUser(pUser);
     return ;
   }
 
@@ -475,7 +471,7 @@ static void mgmtProcessDropUserMsg(SQueuedMsg *pMsg) {
   }
 
   mgmtSendSimpleResp(pMsg->thandle, code);
-  mgmtDecUserRef(pUser);
+  mgmtReleaseUser(pUser);
 }
 
 void  mgmtDropAllUsers(SAcctObj *pAcct)  {
@@ -501,7 +497,7 @@ void  mgmtDropAllUsers(SAcctObj *pAcct)  {
       numOfUsers++;
     }
 
-    mgmtDecUserRef(pUser);
+    mgmtReleaseUser(pUser);
   }
 
   mTrace("acct:%s, all users:%d is dropped from sdb", pAcct->user, numOfUsers);

src/mnode/src/mgmtVgroup.c

@@ -17,12 +17,11 @@
 #include "os.h"
 #include "taoserror.h"
 #include "tlog.h"
-#include "tstatus.h"
+#include "tbalance.h"
+#include "tcluster.h"
 #include "mnode.h"
-#include "mgmtBalance.h"
 #include "mgmtDb.h"
 #include "mgmtDClient.h"
-#include "mgmtDnode.h"
 #include "mgmtDServer.h"
 #include "mgmtMnode.h"
 #include "mgmtProfile.h"
@@ -54,11 +53,11 @@ static int32_t mgmtVgroupActionDestroy(SSdbOperDesc *pOper) {
   }
 
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
-    SDnodeObj *pDnode = mgmtGetDnode(pVgroup->vnodeGid[i].dnodeId);
+    SDnodeObj *pDnode = clusterGetDnode(pVgroup->vnodeGid[i].dnodeId);
     if (pDnode) {
       atomic_sub_fetch_32(&pDnode->openVnodes, 1);
     }
-    mgmtDecDnodeRef(pDnode);
+    clusterReleaseDnode(pDnode);
   }
 
   tfree(pOper->pObj);
@@ -71,7 +70,7 @@ static int32_t mgmtVgroupActionInsert(SSdbOperDesc *pOper) {
   if (pDb == NULL) {
     return TSDB_CODE_INVALID_DB;
   }
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   pVgroup->pDb = pDb;
   pVgroup->prev = NULL;
@@ -92,12 +91,12 @@ static int32_t mgmtVgroupActionInsert(SSdbOperDesc *pOper) {
   }
 
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
-    SDnodeObj *pDnode = mgmtGetDnode(pVgroup->vnodeGid[i].dnodeId);
+    SDnodeObj *pDnode = clusterGetDnode(pVgroup->vnodeGid[i].dnodeId);
     if (pDnode != NULL) {
       pVgroup->vnodeGid[i].privateIp = pDnode->privateIp;
       pVgroup->vnodeGid[i].publicIp = pDnode->publicIp;
       atomic_add_fetch_32(&pDnode->openVnodes, 1);    
-      mgmtDecDnodeRef(pDnode);
+      clusterReleaseDnode(pDnode);
     }     
   }
 
@@ -114,7 +113,7 @@ static int32_t mgmtVgroupActionDelete(SSdbOperDesc *pOper) {
     mgmtRemoveVgroupFromDb(pVgroup);
   }
 
-  mgmtDecDbRef(pVgroup->pDb);
+  mgmtReleaseDb(pVgroup->pDb);
   return TSDB_CODE_SUCCESS;
 }
 
@@ -190,11 +189,7 @@ int32_t mgmtInitVgroups() {
   return 0;
 }
 
-void mgmtIncVgroupRef(SVgObj *pVgroup) { 
-  return sdbIncRef(tsVgroupSdb, pVgroup); 
-}
-
-void mgmtDecVgroupRef(SVgObj *pVgroup) { 
+void mgmtReleaseVgroup(SVgObj *pVgroup) { 
   return sdbDecRef(tsVgroupSdb, pVgroup); 
 }
 
@@ -202,16 +197,32 @@ SVgObj *mgmtGetVgroup(int32_t vgId) {
   return (SVgObj *)sdbGetRow(tsVgroupSdb, &vgId);
 }
 
+void mgmtUpdateVgroup(SVgObj *pVgroup) {
+  SSdbOperDesc oper = {
+    .type = SDB_OPER_TYPE_GLOBAL,
+    .table = tsVgroupSdb,
+    .pObj = pVgroup,
+    .rowSize = tsVgUpdateSize
+  };
+
+  sdbUpdateRow(&oper);
+  mgmtSendCreateVgroupMsg(pVgroup, NULL);
+}
+
 SVgObj *mgmtGetAvailableVgroup(SDbObj *pDb) {
   return pDb->pHead;
 }
 
+void *mgmtGetNextVgroup(void *pNode, SVgObj **pVgroup) { 
+  return sdbFetchRow(tsVgroupSdb, pNode, (void **)pVgroup); 
+}
+
 void mgmtCreateVgroup(SQueuedMsg *pMsg, SDbObj *pDb) {
   SVgObj *pVgroup = (SVgObj *)calloc(1, sizeof(SVgObj));
   strcpy(pVgroup->dbName, pDb->name);
   pVgroup->numOfVnodes = pDb->cfg.replications;
   pVgroup->createdTime = taosGetTimestampMs();
-  if (mgmtAllocVnodes(pVgroup) != 0) {
+  if (balanceAllocVnodes(pVgroup) != 0) {
     mError("db:%s, no enough dnode to alloc %d vnodes to vgroup", pDb->name, pVgroup->numOfVnodes);
     free(pVgroup);
     mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_NO_ENOUGH_DNODES);
@@ -302,7 +313,7 @@ int32_t mgmtGetVgroupMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
     mgmtDecTableRef(pTable);
     pVgroup = mgmtGetVgroup(((SChildTableObj*)pTable)->vgId);
     if (NULL == pVgroup) return TSDB_CODE_INVALID_TABLE_ID;
-    mgmtDecVgroupRef(pVgroup);
+    mgmtReleaseVgroup(pVgroup);
     maxReplica = pVgroup->numOfVnodes > maxReplica ? pVgroup->numOfVnodes : maxReplica;
   } else {
     SVgObj *pVgroup = pDb->pHead;
@@ -348,26 +359,26 @@ int32_t mgmtGetVgroupMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
     pShow->pNode = pVgroup;
   }
 
-   mgmtDecDbRef(pDb);
+   mgmtReleaseDb(pDb);
 
   return 0;
 }
 
 char *mgmtGetVnodeStatus(SVgObj *pVgroup, SVnodeGid *pVnode) {
-  SDnodeObj *pDnode = mgmtGetDnode(pVnode->dnodeId);
+  SDnodeObj *pDnode = clusterGetDnode(pVnode->dnodeId);
   if (pDnode == NULL) {
     mError("vgroup:%d, not exist in dnode:%d", pVgroup->vgId, pDnode->dnodeId);
     return "null";
   }
-  mgmtDecDnodeRef(pDnode);
+  clusterReleaseDnode(pDnode);
 
-  if (pDnode->status == TSDB_DN_STATUS_OFFLINE) {
+  if (pDnode->status == TAOS_DN_STATUS_OFFLINE) {
     return "offline";
   }
 
   for (int i = 0; i < pDnode->openVnodes; ++i) {
     if (pDnode->vload[i].vgId == pVgroup->vgId) {
-       return (char*)taosGetVnodeStatusStr(pDnode->vload[i].status);
+       return pDnode->vload[i].status ? "ready" : "offline";
     }
   }
   
@@ -407,7 +418,7 @@ int32_t mgmtRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, void *pCo
     cols++;
 
     pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-    strcpy(pWrite, taosGetVgroupLbStatusStr(pVgroup->lbStatus));
+    strcpy(pWrite, pVgroup->status ? "updating" : "ready");
     cols++;
 
     for (int32_t i = 0; i < maxReplica; ++i) {
@@ -434,7 +445,7 @@ int32_t mgmtRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, void *pCo
   }
 
   pShow->numOfReads += numOfRows;
-  mgmtDecDbRef(pDb);
+  mgmtReleaseDb(pDb);
 
   return numOfRows;
 }
@@ -645,13 +656,13 @@ static void mgmtProcessVnodeCfgMsg(SRpcMsg *rpcMsg) {
   pCfg->dnodeId = htonl(pCfg->dnodeId);
   pCfg->vgId    = htonl(pCfg->vgId);
 
-  SDnodeObj *pDnode = mgmtGetDnode(pCfg->dnodeId);
+  SDnodeObj *pDnode = clusterGetDnode(pCfg->dnodeId);
   if (pDnode == NULL) {
     mTrace("dnode:%s, invalid dnode", taosIpStr(pCfg->dnodeId), pCfg->vgId);
     mgmtSendSimpleResp(rpcMsg->handle, TSDB_CODE_NOT_ACTIVE_VNODE);
     return;
   }
-  mgmtDecDnodeRef(pDnode);
+  clusterReleaseDnode(pDnode);
 
   SVgObj *pVgroup = mgmtGetVgroup(pCfg->vgId);
   if (pVgroup == NULL) {
@@ -659,7 +670,7 @@ static void mgmtProcessVnodeCfgMsg(SRpcMsg *rpcMsg) {
     mgmtSendSimpleResp(rpcMsg->handle, TSDB_CODE_NOT_ACTIVE_VNODE);
     return;
   }
-  mgmtDecVgroupRef(pVgroup);
+  mgmtReleaseVgroup(pVgroup);
 
   mgmtSendSimpleResp(rpcMsg->handle, TSDB_CODE_SUCCESS);
 
@@ -675,7 +686,7 @@ void mgmtDropAllVgroups(SDbObj *pDropDb) {
   SVgObj *pVgroup = NULL;
 
   while (1) {
-    mgmtDecVgroupRef(pVgroup);
+    mgmtReleaseVgroup(pVgroup);
     pNode = sdbFetchRow(tsVgroupSdb, pNode, (void **)&pVgroup);
     if (pVgroup == NULL) break;
 
@@ -704,4 +715,5 @@ void mgmtAlterVgroup(SVgObj *pVgroup, void *ahandle) {
   } else {
     mgmtAddToShellQueue(ahandle);
   }
-}
\ No newline at end of file
+}
+

src/query/src/queryExecutor.c

@@ -20,7 +20,6 @@
 #include "tlog.h"
 #include "tlosertree.h"
 #include "tscompression.h"
-#include "tstatus.h"
 #include "ttime.h"
 
 #include "qast.h"

src/util/inc/tmodule.h

@@ -28,8 +28,6 @@ enum _module {
   TSDB_MOD_MGMT,
   TSDB_MOD_HTTP,
   TSDB_MOD_MONITOR,
-  TSDB_MOD_DCLUSTER,
-  TSDB_MOD_MSTORAGE,
   TSDB_MOD_MAX
 };
 

src/util/inc/tstatus.h

-/*
- * 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 TDENGINE_TSTATUS_H
-#define TDENGINE_TSTATUS_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdint.h>
-#include <stdbool.h>
-#include "taoserror.h"
-
-enum _TSDB_VG_STATUS {
-  TSDB_VG_STATUS_READY               = TSDB_CODE_SUCCESS,
-  TSDB_VG_STATUS_IN_PROGRESS         = 1, //TSDB_CODE_ACTION_IN_PROGRESS,
-  TSDB_VG_STATUS_NO_DISK_PERMISSIONS = 73,//TSDB_CODE_NO_DISK_PERMISSIONS,
-  TSDB_VG_STATUS_SERVER_NO_PACE      = 110, //TSDB_CODE_SERV_NO_DISKSPACE,
-  TSDB_VG_STATUS_SERV_OUT_OF_MEMORY  = 69, //TSDB_CODE_SERV_OUT_OF_MEMORY,
-  TSDB_VG_STATUS_INIT_FAILED         = 74, //TSDB_CODE_VG_INIT_FAILED,
-  TSDB_VG_STATUS_FULL                = 48, //TSDB_CODE_NO_ENOUGH_DNODES,
-};
-
-enum _TSDB_DB_STATUS {
-  TSDB_DB_STATUS_READY,
-  TSDB_DB_STATUS_DROPPING,
-  TSDB_DB_STATUS_DROP_FROM_SDB
-};
-
-typedef enum _TSDB_VN_STATUS {
-  TSDB_VN_STATUS_NOT_READY,
-  TSDB_VN_STATUS_UNSYNCED,
-  TSDB_VN_STATUS_SLAVE,
-  TSDB_VN_STATUS_MASTER,
-  TSDB_VN_STATUS_CREATING,
-  TSDB_VN_STATUS_CLOSING,
-  TSDB_VN_STATUS_DELETING,
-} EVnodeStatus;
-
-enum _TSDB_VN_SYNC_STATUS {
-  TSDB_VN_SYNC_STATUS_INIT,
-  TSDB_VN_SYNC_STATUS_SYNCING,
-  TSDB_VN_SYNC_STATUS_SYNC_CACHE,
-  TSDB_VN_SYNC_STATUS_SYNC_FILE
-};
-
-enum _TSDB_VN_DROP_STATUS {
-  TSDB_VN_DROP_STATUS_READY,
-  TSDB_VN_DROP_STATUS_DROPPING
-};
-
-enum _TSDB_MN_STATUS {
-  TSDB_MN_STATUS_OFFLINE,
-  TSDB_MN_STATUS_UNSYNCED,
-  TSDB_MN_STATUS_SYNCING,
-  TSDB_MN_STATUS_SERVING
-};
-
-enum _TSDB_MN_ROLE {
-  TSDB_MN_ROLE_UNDECIDED,
-  TSDB_MN_ROLE_SLAVE,
-  TSDB_MN_ROLE_MASTER
-};
-
-enum _TSDB_DN_STATUS {
-  TSDB_DN_STATUS_OFFLINE,
-  TSDB_DN_STATUS_READY
-};
-
-enum _TSDB_DN_LB_STATUS {
-  TSDB_DN_LB_STATUS_BALANCED,
-  TSDB_DN_LB_STATUS_BALANCING,
-  TSDB_DN_LB_STATUS_OFFLINE_REMOVING,
-  TSDB_DN_LB_STATE_SHELL_REMOVING
-};
-
-enum _TSDB_VG_LB_STATUS {
-  TSDB_VG_LB_STATUS_READY,
-  TSDB_VG_LB_STATUS_UPDATE
-};
-
-enum _TSDB_VN_STREAM_STATUS {
-  TSDB_VN_STREAM_STATUS_STOP,
-  TSDB_VN_STREAM_STATUS_START
-};
-
-enum TSDB_TABLE_STATUS {
-  TSDB_METER_STATE_READY       = 0x00,
-  TSDB_METER_STATE_INSERTING   = 0x01,
-  TSDB_METER_STATE_IMPORTING   = 0x02,
-  TSDB_METER_STATE_UPDATING    = 0x04,
-  TSDB_METER_STATE_DROPPING    = 0x10,
-  TSDB_METER_STATE_DROPPED     = 0x18,
-};
-
-char* taosGetVgroupStatusStr(int32_t vgroupStatus);
-char* taosGetDbStatusStr(int32_t dbStatus);
-char* taosGetVnodeStatusStr(int32_t vnodeStatus);
-char* taosGetVnodeSyncStatusStr(int32_t vnodeSyncStatus);
-char* taosGetVnodeDropStatusStr(int32_t dropping);
-char* taosGetDnodeStatusStr(int32_t dnodeStatus);
-char* taosGetDnodeLbStatusStr(int32_t dnodeBalanceStatus);
-char* taosGetVgroupLbStatusStr(int32_t vglbStatus);
-char* taosGetVnodeStreamStatusStr(int32_t vnodeStreamStatus);
-char* taosGetTableStatusStr(int32_t tableStatus);
-char *taosGetShowTypeStr(int32_t showType);
-char *taosGetMnodeStatusStr(int32_t mnodeStatus);
-char *taosGetMnodeRoleStr(int32_t mnodeRole);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif  // TDENGINE_TSTATUS_H

src/util/src/tstatus.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/>.
- */
-
-#include "taosmsg.h"
-#include "tstatus.h"
-
-char* taosGetVgroupStatusStr(int32_t vgroupStatus) {
-  switch (vgroupStatus) {
-    case TSDB_VG_STATUS_READY:                 return (char*)tstrerror(vgroupStatus);
-    case TSDB_VG_STATUS_IN_PROGRESS:           return (char*)tstrerror(vgroupStatus);
-    case TSDB_VG_STATUS_NO_DISK_PERMISSIONS:   return (char*)tstrerror(vgroupStatus);
-    case TSDB_VG_STATUS_SERVER_NO_PACE:        return (char*)tstrerror(vgroupStatus);
-    case TSDB_VG_STATUS_SERV_OUT_OF_MEMORY:    return (char*)tstrerror(vgroupStatus);
-    case TSDB_VG_STATUS_INIT_FAILED:           return (char*)tstrerror(vgroupStatus);
-    case TSDB_VG_STATUS_FULL:                  return (char*)tstrerror(vgroupStatus);
-    default:                                   return "undefined";
-  }
-}
-
-char* taosGetDbStatusStr(int32_t dbStatus) {
-  switch (dbStatus) {
-    case TSDB_DB_STATUS_READY:         return "ready";
-    case TSDB_DB_STATUS_DROPPING:      return "dropping";
-    case TSDB_DB_STATUS_DROP_FROM_SDB: return "drop_from_sdb";
-    default:                           return "undefined";
-  }
-}
-
-char* taosGetVnodeStatusStr(int32_t vnodeStatus) {
-  switch (vnodeStatus) {
-    case TSDB_VN_STATUS_NOT_READY:return "not_ready";
-    case TSDB_VN_STATUS_UNSYNCED: return "unsynced";
-    case TSDB_VN_STATUS_SLAVE:    return "slave";
-    case TSDB_VN_STATUS_MASTER:   return "master";
-    case TSDB_VN_STATUS_CREATING: return "creating";
-    case TSDB_VN_STATUS_CLOSING:  return "closing";
-    case TSDB_VN_STATUS_DELETING: return "deleting";
-    default:                      return "undefined";
-  }
-}
-
-char* taosGetVnodeSyncStatusStr(int32_t vnodeSyncStatus) {
-  switch (vnodeSyncStatus) {
-    case TSDB_VN_SYNC_STATUS_INIT:       return "ready";
-    case TSDB_VN_SYNC_STATUS_SYNCING:    return "syncing";
-    case TSDB_VN_SYNC_STATUS_SYNC_CACHE: return "sync_cache";
-    case TSDB_VN_SYNC_STATUS_SYNC_FILE:  return "sync_file";
-    default:                             return "undefined";
-  }
-}
-
-char* taosGetVnodeDropStatusStr(int32_t dropping) {
-  switch (dropping) {
-    case TSDB_VN_DROP_STATUS_READY:     return "ready";
-    case TSDB_VN_DROP_STATUS_DROPPING:  return "dropping";
-    default:                            return "undefined";
-  }
-}
-
-char* taosGetDnodeStatusStr(int32_t dnodeStatus) {
-  switch (dnodeStatus) {
-    case TSDB_DN_STATUS_OFFLINE: return "offline";
-    case TSDB_DN_STATUS_READY:   return "ready";
-    default:                     return "undefined";
-  }
-}
-
-char* taosGetDnodeLbStatusStr(int32_t dnodeBalanceStatus) {
-  switch (dnodeBalanceStatus) {
-    case TSDB_DN_LB_STATUS_BALANCED:         return "balanced";
-    case TSDB_DN_LB_STATUS_BALANCING:        return "balancing";
-    case TSDB_DN_LB_STATUS_OFFLINE_REMOVING: return "offline removing";
-    case TSDB_DN_LB_STATE_SHELL_REMOVING:    return "removing";
-    default:                                 return "undefined";
-  }
-}
-
-char* taosGetVgroupLbStatusStr(int32_t vglbStatus) {
-  switch (vglbStatus) {
-    case TSDB_VG_LB_STATUS_READY:   return "ready";
-    case TSDB_VG_LB_STATUS_UPDATE:  return "updating";
-    default:                        return "undefined";
-  }
-}
-
-char* taosGetVnodeStreamStatusStr(int32_t vnodeStreamStatus) {
-  switch (vnodeStreamStatus) {
-    case TSDB_VN_STREAM_STATUS_START: return "start";
-    case TSDB_VN_STREAM_STATUS_STOP:  return "stop";
-    default:                          return "undefined";
-  }
-}
-
-char* taosGetTableStatusStr(int32_t tableStatus) {
-  switch(tableStatus) {
-    case TSDB_METER_STATE_INSERTING:return "inserting";
-    case TSDB_METER_STATE_IMPORTING:return "importing";
-    case TSDB_METER_STATE_UPDATING: return "updating";
-    case TSDB_METER_STATE_DROPPING: return "deleting";
-    case TSDB_METER_STATE_DROPPED:  return "dropped";
-    case TSDB_METER_STATE_READY:    return "ready";
-    default:return "undefined";
-  }
-}
-
-char *taosGetShowTypeStr(int32_t showType) {
-  switch (showType) {
-    case TSDB_MGMT_TABLE_ACCT:    return "show accounts";
-    case TSDB_MGMT_TABLE_USER:    return "show users";
-    case TSDB_MGMT_TABLE_DB:      return "show databases";
-    case TSDB_MGMT_TABLE_TABLE:   return "show tables";
-    case TSDB_MGMT_TABLE_DNODE:   return "show dnodes";
-    case TSDB_MGMT_TABLE_MNODE:   return "show mnodes";
-    case TSDB_MGMT_TABLE_VGROUP:  return "show vgroups";
-    case TSDB_MGMT_TABLE_METRIC:  return "show stables";
-    case TSDB_MGMT_TABLE_MODULE:  return "show modules";
-    case TSDB_MGMT_TABLE_QUERIES: return "show queries";
-    case TSDB_MGMT_TABLE_STREAMS: return "show streams";
-    case TSDB_MGMT_TABLE_CONFIGS: return "show configs";
-    case TSDB_MGMT_TABLE_CONNS:   return "show connections";
-    case TSDB_MGMT_TABLE_SCORES:  return "show scores";
-    case TSDB_MGMT_TABLE_GRANTS:  return "show grants";
-    case TSDB_MGMT_TABLE_VNODES:  return "show vnodes";
-    default:                      return "undefined";
-  }
-}
-
-char *taosGetMnodeStatusStr(int32_t mnodeStatus) {
-  switch (mnodeStatus) {
-    case TSDB_MN_STATUS_OFFLINE:   return "offline";
-    case TSDB_MN_STATUS_UNSYNCED:  return "unsynced";
-    case TSDB_MN_STATUS_SYNCING:   return "syncing";
-    case TSDB_MN_STATUS_SERVING:   return "serving";
-    default:                       return "undefined";
-  }
-}
-
-char *taosGetMnodeRoleStr(int32_t mnodeRole) {
-  switch (mnodeRole) {
-    case TSDB_MN_ROLE_UNDECIDED: return "undicided";
-    case TSDB_MN_ROLE_SLAVE:     return "slave";
-    case TSDB_MN_ROLE_MASTER:    return "master";
-    default:                     return "undefined";
-  }
-}

src/vnode/main/inc/vnodeInt.h

@@ -23,18 +23,10 @@ extern "C" {
 #include "tsync.h"
 #include "twal.h"
 
-typedef enum _VN_STATUS {
-  VN_STATUS_INIT,
-  VN_STATUS_CREATING,
-  VN_STATUS_READY,
-  VN_STATUS_CLOSING,
-  VN_STATUS_DELETING,
-} EVnStatus;
-
 typedef struct {
   int32_t      vgId;      // global vnode group ID
   int32_t      refCount;  // reference count
-  EVnStatus    status; 
+  int          status; 
   int8_t       role;   
   int64_t      version;
   void        *wqueue;

src/vnode/main/src/vnodeMain.c

@@ -20,7 +20,6 @@
 #include "taosmsg.h"
 #include "tlog.h"
 #include "trpc.h"
-#include "tstatus.h"
 #include "tsdb.h"
 #include "ttime.h"
 #include "ttimer.h"
@@ -117,7 +116,7 @@ int32_t vnodeDrop(int32_t vgId) {
   }
 
   dTrace("pVnode:%p vgId:%d, vnode will be dropped", pVnode, pVnode->vgId);
-  pVnode->status = VN_STATUS_DELETING;
+  pVnode->status = TAOS_VN_STATUS_DELETING;
   vnodeCleanUp(pVnode);
  
   return TSDB_CODE_SUCCESS;
@@ -129,7 +128,7 @@ int32_t vnodeOpen(int32_t vnode, char *rootDir) {
 
   SVnodeObj *pVnode = calloc(sizeof(SVnodeObj), 1);
   pVnode->vgId     = vnode;
-  pVnode->status   = VN_STATUS_INIT;
+  pVnode->status   = TAOS_VN_STATUS_INIT;
   pVnode->refCount = 1;
   pVnode->version  = 0;  
   taosAddIntHash(tsDnodeVnodesHash, pVnode->vgId, (char *)(&pVnode));
@@ -179,7 +178,7 @@ int32_t vnodeOpen(int32_t vnode, char *rootDir) {
 
   walRestore(pVnode->wal, pVnode, vnodeWriteToQueue);
 
-  pVnode->status = VN_STATUS_READY;
+  pVnode->status = TAOS_VN_STATUS_READY;
   dTrace("pVnode:%p vgId:%d, vnode is opened in %s", pVnode, pVnode->vgId, rootDir);
 
   atomic_add_fetch_32(&tsOpennedVnodes, 1);
@@ -192,7 +191,7 @@ int32_t vnodeClose(int32_t vgId) {
   if (pVnode == NULL) return 0;
 
   dTrace("pVnode:%p vgId:%d, vnode will be closed", pVnode, pVnode->vgId);
-  pVnode->status = VN_STATUS_CLOSING;
+  pVnode->status = TAOS_VN_STATUS_CLOSING;
   vnodeCleanUp(pVnode);
 
   return 0;
@@ -216,7 +215,7 @@ void vnodeRelease(void *pVnodeRaw) {
   dnodeFreeWqueue(pVnode->wqueue);
   pVnode->wqueue = NULL;
 
-  if (pVnode->status == VN_STATUS_DELETING) {
+  if (pVnode->status == TAOS_VN_STATUS_DELETING) {
     // remove the whole directory
   }
 
@@ -276,7 +275,7 @@ void vnodeBuildStatusMsg(void *param) {
 
 static void vnodeBuildVloadMsg(char *pNode, void * param) {
   SVnodeObj *pVnode = *(SVnodeObj **) pNode;
-  if (pVnode->status == VN_STATUS_DELETING) return;
+  if (pVnode->status == TAOS_VN_STATUS_DELETING) return;
 
   SDMStatusMsg *pStatus = param;
   if (pStatus->openVnodes >= TSDB_MAX_VNODES) return;
@@ -285,6 +284,7 @@ static void vnodeBuildVloadMsg(char *pNode, void * param) {
   pLoad->vgId = htonl(pVnode->vgId);
   pLoad->vnode = htonl(pVnode->vgId);
   pLoad->status = pVnode->status;
+  pLoad->role = pVnode->role;
 }
 
 static void vnodeCleanUp(SVnodeObj *pVnode) {

src/vnode/main/src/vnodeRead.c

@@ -42,7 +42,7 @@ int32_t vnodeProcessRead(void *param, int msgType, void *pCont, int32_t contLen,
   if (vnodeProcessReadMsgFp[msgType] == NULL) 
     return TSDB_CODE_MSG_NOT_PROCESSED; 
 
-  if (pVnode->status == VN_STATUS_DELETING || pVnode->status == VN_STATUS_CLOSING) 
+  if (pVnode->status == TAOS_VN_STATUS_DELETING || pVnode->status == TAOS_VN_STATUS_CLOSING) 
     return TSDB_CODE_NOT_ACTIVE_VNODE; 
 
   return (*vnodeProcessReadMsgFp[msgType])(pVnode, pCont, contLen, ret);

src/vnode/main/src/vnodeWrite.c

@@ -41,18 +41,19 @@ void vnodeInitWriteFp(void) {
   vnodeProcessWriteMsgFp[TSDB_MSG_TYPE_MD_DROP_STABLE]  = vnodeProcessDropStableMsg;
 }
 
-int32_t vnodeProcessWrite(void *param, int qtype, SWalHead *pHead, void *item) {
+int32_t vnodeProcessWrite(void *param1, int qtype, void *param2, void *item) {
   int32_t    code = 0;
-  SVnodeObj *pVnode = (SVnodeObj *)param;
+  SVnodeObj *pVnode = (SVnodeObj *)param1;
+  SWalHead  *pHead = param2;
 
   if (vnodeProcessWriteMsgFp[pHead->msgType] == NULL) 
     return TSDB_CODE_MSG_NOT_PROCESSED; 
 
-  if (pVnode->status == VN_STATUS_DELETING || pVnode->status == VN_STATUS_CLOSING) 
+  if (pVnode->status == TAOS_VN_STATUS_DELETING || pVnode->status == TAOS_VN_STATUS_CLOSING) 
     return TSDB_CODE_NOT_ACTIVE_VNODE; 
 
   if (pHead->version == 0) { // from client 
-    if (pVnode->status != VN_STATUS_READY) 
+    if (pVnode->status != TAOS_VN_STATUS_READY) 
       return TSDB_CODE_NOT_ACTIVE_VNODE;
 
     // if (pVnode->replica > 1 && pVnode->role != TAOS_SYNC_ROLE_MASTER)