minor changes

include/server/mnode/mnode.h

@@ -84,7 +84,7 @@ void mnodeUnDeploy();
  *
  * @return Server status.
  */
-EMnStatus mnodeIsServing();
+EMnStatus mnodeGetStatus();
 
 typedef struct {
   int64_t numOfDnode;

include/util/tworker.h

@@ -16,6 +16,8 @@
 #ifndef _TD_UTIL_WORKER_H
 #define _TD_UTIL_WORKER_H
 
+#include "tqueue.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif

source/server/dnode/src/dnodeMain.c

@@ -235,7 +235,7 @@ static int32_t dnodeStartMnode(SRpcMsg *pMsg) {
     dDebug("meps index:%d, meps:%d:%s", i, pCfg->mnodes.mnodeInfos[i].mnodeId, pCfg->mnodes.mnodeInfos[i].mnodeEp);
   }
 
-  if (mnodeIsServing()) return 0;
+  if (mnodeGetStatus() == MN_STATUS_READY) return 0;
 
   return mnodeDeploy();
 }

source/server/dnode/src/dnodeTelem.c

@@ -257,7 +257,7 @@ static void* dnodeTelemThreadFp(void* param) {
     if (r == 0) break;
     if (r != ETIMEDOUT) continue;
 
-    if (mnodeIsServing()) {
+    if (mnodeGetStatus() == MN_STATUS_READY) {
       dnodeSendTelemetryReport();
     }
     end.tv_sec += REPORT_INTERVAL;

source/server/mnode/inc/mnodeInt.h

@@ -25,7 +25,7 @@ extern "C" {
 tmr_h     mnodeGetTimer();
 int32_t   mnodeGetDnodeId();
 char     *mnodeGetClusterId();
-EMnStatus mnodeIsServing();
+EMnStatus mnodeGetStatus();
 
 void mnodeSendMsgToDnode(struct SRpcEpSet *epSet, struct SRpcMsg *rpcMsg);
 void mnodeSendMsgToMnode(struct SRpcMsg *rpcMsg);

source/server/mnode/inc/mnodeMnode.h

@@ -24,6 +24,8 @@ extern "C" {
 
 int32_t mnodeInitMnode();
 void    mnodeCleanupMnode();
+void    mnodeGetMnodeEpSetForPeer(SRpcEpSet *epSet, bool redirect);
+void    mnodeGetMnodeEpSetForShell(SRpcEpSet *epSet, bool redirect);
 
 #ifdef __cplusplus
 }

source/server/mnode/inc/mnodeSync.h

@@ -25,6 +25,8 @@ extern "C" {
 int32_t mnodeInitSync();
 void    mnodeCleanUpSync();
 
+bool mnodeIsMaster();
+
 #ifdef __cplusplus
 }
 #endif

source/server/mnode/inc/mnodeWorker.h

@@ -24,6 +24,9 @@ extern "C" {
 
 int32_t mnodeInitWorker();
 void    mnodeCleanupWorker();
+void    mnodeProcessMsg(SRpcMsg *rpcMsg);
+void    mnodeSendRsp(SMnMsg *pMsg, int32_t code);
+void    mnodeReDispatchToWriteQueue(SMnMsg *pMsg);
 
 #ifdef __cplusplus
 }

source/server/mnode/src/mnodeMnode.c

@@ -18,4 +18,7 @@
 #include "mnodeInt.h"
 
 int32_t mnodeInitMnode() { return 0; }
-void    mnodeCleanupMnode() {}
\ No newline at end of file
+void    mnodeCleanupMnode() {}
+
+void mnodeGetMnodeEpSetForPeer(SRpcEpSet *epSet, bool redirect) {}
+void mnodeGetMnodeEpSetForShell(SRpcEpSet *epSet, bool redirect) {}
\ No newline at end of file

source/server/mnode/src/mnodeSync.c

@@ -18,4 +18,6 @@
 #include "mnodeInt.h"
 
 int32_t mnodeInitSync() { return 0; }
-void    mnodeCleanUpSync() {}
\ No newline at end of file
+void    mnodeCleanUpSync() {}
+
+bool mnodeIsMaster() { return true; }
\ No newline at end of file

source/server/mnode/src/mnodeWorker.c

@@ -15,7 +15,473 @@
 
 #define _DEFAULT_SOURCE
 #include "os.h"
-#include "mnodeInt.h"
+#include "tworker.h"
+#include "tglobal.h"
+#include "mnodeMnode.h"
+#include "mnodeSdb.h"
+#include "mnodeShow.h"
+#include "mnodeSync.h"
+#include "mnodeWorker.h"
 
-int32_t mnodeInitWorker() { return 0; }
-void    mnodeCleanupWorker() {}
\ No newline at end of file
+static struct {
+  SWorkerPool read;
+  SWorkerPool write;
+  SWorkerPool peerReq;
+  SWorkerPool peerRsp;
+  taos_queue  readQ;
+  taos_queue  writeQ;
+  taos_queue  peerReqQ;
+  taos_queue  peerRspQ;
+  int32_t (*writeMsgFp[TSDB_MSG_TYPE_MAX])(SMnMsg *);
+  int32_t (*readMsgFp[TSDB_MSG_TYPE_MAX])(SMnMsg *);
+  int32_t (*peerReqFp[TSDB_MSG_TYPE_MAX])(SMnMsg *);
+  void (*peerRspFp[TSDB_MSG_TYPE_MAX])(SRpcMsg *);
+  void (*msgFp[TSDB_MSG_TYPE_MAX])(SRpcMsg *pMsg);
+} tsMworker = {0};
+
+static SMnMsg *mnodeInitMsg(SRpcMsg *pRpcMsg) {
+  int32_t    size = sizeof(SMnMsg) + pRpcMsg->contLen;
+  SMnMsg *pMsg = taosAllocateQitem(size);
+
+  pMsg->rpcMsg = *pRpcMsg;
+  pMsg->rpcMsg.pCont = pMsg->pCont;
+  pMsg->createdTime = taosGetTimestampSec();
+  memcpy(pMsg->pCont, pRpcMsg->pCont, pRpcMsg->contLen);
+
+  SRpcConnInfo connInfo = {0};
+  if (rpcGetConnInfo(pMsg->rpcMsg.handle, &connInfo) == 0) {
+    pMsg->pUser = sdbGetRow(MN_SDB_USER, connInfo.user);
+  }
+
+  if (pMsg->pUser == NULL) {
+    mError("can not get user from conn:%p", pMsg->rpcMsg.handle);
+    taosFreeQitem(pMsg);
+    return NULL;
+  }
+
+  return pMsg;
+}
+
+static void mnodeCleanupMsg(SMnMsg *pMsg) {
+  if (pMsg == NULL) return;
+  if (pMsg->rpcMsg.pCont != pMsg->pCont) {
+    tfree(pMsg->rpcMsg.pCont);
+  }
+
+  taosFreeQitem(pMsg);
+}
+
+static void mnodeDispatchToWriteQueue(SRpcMsg *pRpcMsg) {
+  if (mnodeGetStatus() != MN_STATUS_READY || tsMworker.writeQ == NULL) {
+    mnodeSendRedirectMsg(pRpcMsg, true);
+  } else {
+    SMnMsg *pMsg = mnodeInitMsg(pRpcMsg);
+    if (pMsg == NULL) {
+      SRpcMsg rpcRsp = {.handle = pRpcMsg->handle, .code = TSDB_CODE_MND_INVALID_USER};
+      rpcSendResponse(&rpcRsp);
+    } else {
+      mTrace("msg:%p, app:%p type:%s is put into wqueue", pMsg, pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType]);
+      taosWriteQitem(tsMworker.writeQ, TAOS_QTYPE_RPC, pMsg);
+    }
+  }
+
+  rpcFreeCont(pRpcMsg->pCont);
+}
+
+void mnodeReDispatchToWriteQueue(SMnMsg *pMsg) {
+  if (mnodeGetStatus() != MN_STATUS_READY || tsMworker.writeQ == NULL) {
+    mnodeSendRedirectMsg(&pMsg->rpcMsg, true);
+    mnodeCleanupMsg(pMsg);
+  } else {
+    taosWriteQitem(tsMworker.writeQ, TAOS_QTYPE_RPC, pMsg);
+  }
+}
+
+static void mnodeDispatchToReadQueue(SRpcMsg *pRpcMsg) {
+  if (mnodeGetStatus() != MN_STATUS_READY || tsMworker.readQ == NULL) {
+    mnodeSendRedirectMsg(pRpcMsg, true);
+  } else {
+    SMnMsg *pMsg = mnodeInitMsg(pRpcMsg);
+    if (pMsg == NULL) {
+      SRpcMsg rpcRsp = {.handle = pRpcMsg->handle, .code = TSDB_CODE_MND_INVALID_USER};
+      rpcSendResponse(&rpcRsp);
+    } else {
+      mTrace("msg:%p, app:%p type:%s is put into rqueue", pMsg, pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType]);
+      taosWriteQitem(tsMworker.readQ, TAOS_QTYPE_RPC, pMsg);
+    }
+  }
+
+  rpcFreeCont(pRpcMsg->pCont);
+}
+
+static void mnodeDispatchToPeerQueue(SRpcMsg *pRpcMsg) {
+  if (mnodeGetStatus() != MN_STATUS_READY || tsMworker.peerReqQ == NULL) {
+    mnodeSendRedirectMsg(pRpcMsg, false);
+  } else {
+    SMnMsg *pMsg = mnodeInitMsg(pRpcMsg);
+    if (pMsg == NULL) {
+      SRpcMsg rpcRsp = {.handle = pRpcMsg->handle, .code = TSDB_CODE_MND_INVALID_USER};
+      rpcSendResponse(&rpcRsp);
+    } else {
+      mTrace("msg:%p, app:%p type:%s is put into peer req queue", pMsg, pMsg->rpcMsg.ahandle,
+             taosMsg[pMsg->rpcMsg.msgType]);
+      taosWriteQitem(tsMworker.peerReqQ, TAOS_QTYPE_RPC, pMsg);
+    }
+  }
+
+  rpcFreeCont(pRpcMsg->pCont);
+}
+
+void mnodeDispatchToPeerRspQueue(SRpcMsg *pRpcMsg) {
+  SMnMsg *pMsg = mnodeInitMsg(pRpcMsg);
+  if (pMsg == NULL) {
+    SRpcMsg rpcRsp = {.handle = pRpcMsg->handle, .code = TSDB_CODE_MND_INVALID_USER};
+    rpcSendResponse(&rpcRsp);
+  } else {
+    mTrace("msg:%p, app:%p type:%s is put into peer rsp queue", pMsg, pMsg->rpcMsg.ahandle,
+           taosMsg[pMsg->rpcMsg.msgType]);
+    taosWriteQitem(tsMworker.peerRspQ, TAOS_QTYPE_RPC, pMsg);
+  }
+
+  // rpcFreeCont(pRpcMsg->pCont);
+}
+
+static void mnodeSendRpcRsp(void *ahandle, SMnMsg *pMsg, int32_t qtype, int32_t code) {
+  if (pMsg == NULL) return;
+  if (code == TSDB_CODE_MND_ACTION_IN_PROGRESS) return;
+  if (code == TSDB_CODE_MND_ACTION_NEED_REPROCESSED) {
+    mnodeReDispatchToWriteQueue(pMsg);
+    return;
+  }
+
+  SRpcMsg rpcRsp = {
+    .handle  = pMsg->rpcMsg.handle,
+    .pCont   = pMsg->rpcRsp.rsp,
+    .contLen = pMsg->rpcRsp.len,
+    .code    = code,
+  };
+
+  rpcSendResponse(&rpcRsp);
+  mnodeCleanupMsg(pMsg);
+}
+
+void mnodeSendRsp(SMnMsg *pMsg, int32_t code) { mnodeSendRpcRsp(NULL, pMsg, 0, code); }
+
+static void mnodeProcessPeerRspEnd(void *ahandle, SMnMsg *pMsg, int32_t qtype, int32_t code) {
+  mnodeCleanupMsg(pMsg);
+}
+
+static void mnodeInitMsgFp() {
+//   // peer req
+//   tsMworker.msgFp[TSDB_MSG_TYPE_DM_CONFIG_TABLE] = mnodeDispatchToPeerQueue;
+//   tsMworker.peerReqFp[TSDB_MSG_TYPE_DM_CONFIG_TABLE] = mnodeProcessTableCfgMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_DM_CONFIG_VNODE] = mnodeDispatchToPeerQueue;
+//   tsMworker.peerReqFp[TSDB_MSG_TYPE_DM_CONFIG_VNODE] = mnodeProcessVnodeCfgMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_DM_AUTH] = mnodeDispatchToPeerQueue;
+//   tsMworker.peerReqFp[TSDB_MSG_TYPE_DM_AUTH] = mnodeProcessAuthMsg;
+//   // tsMworker.msgFp[TSDB_MSG_TYPE_DM_GRANT] = mnodeDispatchToPeerQueue;
+//   // tsMworker.peerReqFp[TSDB_MSG_TYPE_DM_GRANT] = grantProcessMsgInMgmt;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_DM_STATUS] = mnodeDispatchToPeerQueue;
+//   tsMworker.peerReqFp[TSDB_MSG_TYPE_DM_STATUS] = mnodeProcessDnodeStatusMsg;
+
+//   // peer rsp
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_CONFIG_DNODE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_CONFIG_DNODE_RSP] = mnodeProcessCfgDnodeMsgRsp;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_DROP_STABLE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_DROP_STABLE_RSP] = mnodeProcessDropSuperTableRsp;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_CREATE_TABLE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_CREATE_TABLE_RSP] = mnodeProcessCreateChildTableRsp;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_DROP_TABLE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_DROP_TABLE_RSP] = mnodeProcessDropChildTableRsp;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_ALTER_TABLE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_ALTER_TABLE_RSP] = mnodeProcessAlterTableRsp;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_CREATE_VNODE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_CREATE_VNODE_RSP] = mnodeProcessCreateVnodeRsp;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_ALTER_VNODE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_ALTER_VNODE_RSP] = mnodeProcessAlterVnodeRsp;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_COMPACT_VNODE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_COMPACT_VNODE_RSP] = mnodeProcessCompactVnodeRsp;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_MD_DROP_VNODE_RSP] = mnodeDispatchToPeerRspQueue;
+//   tsMworker.peerRspFp[TSDB_MSG_TYPE_MD_DROP_VNODE_RSP] = mnodeProcessDropVnodeRsp;
+
+//   // read msg
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_HEARTBEAT] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_HEARTBEAT] = mnodeProcessHeartBeatMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_CONNECT] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_CONNECT] = mnodeProcessConnectMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_USE_DB] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_USE_DB] = mnodeProcessUseMsg;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_TABLE_META] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_TABLE_META] = mnodeProcessTableMetaMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_TABLES_META] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_TABLES_META] = mnodeProcessMultiTableMetaMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_STABLE_VGROUP] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_STABLE_VGROUP] = mnodeProcessSuperTableVgroupMsg;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_SHOW] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_SHOW] = mnodeProcessShowMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_RETRIEVE] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_RETRIEVE] = mnodeProcessRetrieveMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_RETRIEVE_FUNC] = mnodeDispatchToReadQueue;
+//   tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_RETRIEVE_FUNC] = mnodeProcessRetrieveFuncReq;
+
+//   // tsMworker.msgFp[TSDB_MSG_TYPE_CM_CREATE_ACCT] = mnodeDispatchToWriteQueue;
+//   // tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_CREATE_ACCT] = acctProcessCreateAcctMsg;
+//   // tsMworker.msgFp[TSDB_MSG_TYPE_CM_ALTER_ACCT] = mnodeDispatchToWriteQueue;
+//   // tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_ALTER_ACCT] = acctProcessDropAcctMsg;
+//   // tsMworker.msgFp[TSDB_MSG_TYPE_CM_DROP_ACCT] = mnodeDispatchToWriteQueue;
+//   // tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_DROP_ACCT] = acctProcessAlterAcctMsg;
+
+//   // write msg
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_CREATE_USER] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_CREATE_USER] = mnodeProcessCreateUserMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_ALTER_USER] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_ALTER_USER] = mnodeProcessAlterUserMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_DROP_USER] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_DROP_USER] = mnodeProcessDropUserMsg;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_CREATE_DNODE] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_CREATE_DNODE] = mnodeProcessCreateDnodeMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_DROP_DNODE] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_DROP_DNODE] = mnodeProcessDropDnodeMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_CONFIG_DNODE] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_CONFIG_DNODE] = mnodeProcessCfgDnodeMsg;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_CREATE_DB] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_CREATE_DB] = mnodeProcessCreateDbMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_ALTER_DB] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_ALTER_DB] = mnodeProcessAlterDbMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_DROP_DB] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_DROP_DB] = mnodeProcessDropDbMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_SYNC_DB] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_SYNC_DB] = mnodeProcessSyncDbMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_COMPACT_VNODE] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_COMPACT_VNODE] = mnodeProcessCompactMsg;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_CREATE_FUNCTION] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_CREATE_FUNCTION] = mnodeProcessCreateFuncMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_DROP_FUNCTION] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_DROP_FUNCTION] = mnodeProcessDropFuncMsg;
+
+//   // tsMworker.msgFp[TSDB_MSG_TYPE_CM_CREATE_TP] = mnodeDispatchToWriteQueue;
+//   // tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_CREATE_TP] = tpProcessCreateTpMsg;
+//   // tsMworker.msgFp[TSDB_MSG_TYPE_CM_DROP_TP] = mnodeDispatchToWriteQueue;
+//   // tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_DROP_TP] = tpProcessAlterTpMsg;
+//   // tsMworker.msgFp[TSDB_MSG_TYPE_CM_ALTER_TP] = mnodeDispatchToWriteQueue;
+//   // tsMworker.readMsgFp[TSDB_MSG_TYPE_CM_ALTER_TP] = tpProcessDropTpMsg;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_CREATE_TABLE] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_CREATE_TABLE] = mnodeProcessCreateTableMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_DROP_TABLE] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_DROP_TABLE] = mnodeProcessDropTableMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_ALTER_TABLE] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_ALTER_TABLE] = mnodeProcessAlterTableMsg;
+
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_ALTER_STREAM] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_ALTER_STREAM] = NULL;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_KILL_QUERY] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_KILL_QUERY] = mnodeProcessKillQueryMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_KILL_STREAM] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_KILL_STREAM] = mnodeProcessKillStreamMsg;
+//   tsMworker.msgFp[TSDB_MSG_TYPE_CM_KILL_CONN] = mnodeDispatchToWriteQueue;
+//   tsMworker.writeMsgFp[TSDB_MSG_TYPE_CM_KILL_CONN] = mnodeProcessKillConnectionMsg;
+}
+
+static int32_t mnodeProcessWriteReq(void *unused, SMnMsg *pMsg, int32_t qtype) {
+  int32_t msgType = pMsg->rpcMsg.msgType;
+  void *ahandle = pMsg->rpcMsg.ahandle;
+
+  if (pMsg->rpcMsg.pCont == NULL) {
+    mError("msg:%p, app:%p type:%s content is null", pMsg, ahandle, taosMsg[msgType]);
+    return TSDB_CODE_MND_INVALID_MSG_LEN;
+  }
+
+  if (!mnodeIsMaster()) {
+    SMnRsp *rpcRsp = &pMsg->rpcRsp;
+    SRpcEpSet *epSet = rpcMallocCont(sizeof(SRpcEpSet));
+    mnodeGetMnodeEpSetForShell(epSet, true);
+    rpcRsp->rsp = epSet;
+    rpcRsp->len = sizeof(SRpcEpSet);
+
+    mDebug("msg:%p, app:%p type:%s in write queue, is redirected, numOfEps:%d inUse:%d", pMsg, ahandle,
+           taosMsg[msgType], epSet->numOfEps, epSet->inUse);
+
+    return TSDB_CODE_RPC_REDIRECT;
+  }
+
+  if (tsMworker.writeMsgFp[msgType] == NULL) {
+    mError("msg:%p, app:%p type:%s not processed", pMsg, ahandle, taosMsg[msgType]);
+    return TSDB_CODE_MND_MSG_NOT_PROCESSED;
+  }
+
+  return (*tsMworker.writeMsgFp[msgType])(pMsg);
+}
+
+static int32_t mnodeProcessReadReq(void* unused, SMnMsg *pMsg, int32_t qtype) {
+  int32_t msgType = pMsg->rpcMsg.msgType;
+  void *ahandle = pMsg->rpcMsg.ahandle;
+
+  if (pMsg->rpcMsg.pCont == NULL) {
+    mError("msg:%p, app:%p type:%s in mread queue, content is null", pMsg, ahandle, taosMsg[msgType]);
+    return TSDB_CODE_MND_INVALID_MSG_LEN;
+  }
+
+  if (!mnodeIsMaster()) {
+    SMnRsp *rpcRsp = &pMsg->rpcRsp;
+    SRpcEpSet *epSet = rpcMallocCont(sizeof(SRpcEpSet));
+    if (!epSet) {
+      return TSDB_CODE_MND_OUT_OF_MEMORY;
+    }
+    mnodeGetMnodeEpSetForShell(epSet, true);
+    rpcRsp->rsp = epSet;
+    rpcRsp->len = sizeof(SRpcEpSet);
+
+    mDebug("msg:%p, app:%p type:%s in mread queue is redirected, numOfEps:%d inUse:%d", pMsg, ahandle, taosMsg[msgType],
+           epSet->numOfEps, epSet->inUse);
+    return TSDB_CODE_RPC_REDIRECT;
+  }
+
+  if (tsMworker.readMsgFp[msgType] == NULL) {
+    mError("msg:%p, app:%p type:%s in mread queue, not processed", pMsg, ahandle, taosMsg[msgType]);
+    return TSDB_CODE_MND_MSG_NOT_PROCESSED;
+  }
+
+  mTrace("msg:%p, app:%p type:%s will be processed in mread queue", pMsg, ahandle, taosMsg[msgType]);
+  return (*tsMworker.readMsgFp[msgType])(pMsg);
+}
+
+static int32_t mnodeProcessPeerReq(void *unused, SMnMsg *pMsg, int32_t qtype) {
+  int32_t msgType = pMsg->rpcMsg.msgType;
+  void *  ahandle = pMsg->rpcMsg.ahandle;
+
+  if (pMsg->rpcMsg.pCont == NULL) {
+    mError("msg:%p, ahandle:%p type:%s in mpeer queue, content is null", pMsg, ahandle, taosMsg[msgType]);
+    return TSDB_CODE_MND_INVALID_MSG_LEN;
+  }
+
+  if (!mnodeIsMaster()) {
+    SMnRsp *rpcRsp = &pMsg->rpcRsp;
+    SRpcEpSet *epSet = rpcMallocCont(sizeof(SRpcEpSet));
+    mnodeGetMnodeEpSetForPeer(epSet, true);
+    rpcRsp->rsp = epSet;
+    rpcRsp->len = sizeof(SRpcEpSet);
+
+    mDebug("msg:%p, ahandle:%p type:%s in mpeer queue is redirected, numOfEps:%d inUse:%d", pMsg, ahandle,
+           taosMsg[msgType], epSet->numOfEps, epSet->inUse);
+
+    return TSDB_CODE_RPC_REDIRECT;
+  }
+
+  if (tsMworker.peerReqFp[msgType] == NULL) {
+    mError("msg:%p, ahandle:%p type:%s in mpeer queue, not processed", pMsg, ahandle, taosMsg[msgType]);
+    return TSDB_CODE_MND_MSG_NOT_PROCESSED;
+  }
+
+  return (*tsMworker.peerReqFp[msgType])(pMsg);
+}
+
+static int32_t mnodeProcessPeerRsp(void *ahandle, SMnMsg *pMsg, int32_t qtype) {
+  int32_t  msgType = pMsg->rpcMsg.msgType;
+  SRpcMsg *pRpcMsg = &pMsg->rpcMsg;
+
+  if (!mnodeIsMaster()) {
+    mError("msg:%p, ahandle:%p type:%s not processed for not master", pRpcMsg, pRpcMsg->ahandle, taosMsg[msgType]);
+    return 0;
+  }
+
+  if (tsMworker.peerRspFp[msgType]) {
+    (*tsMworker.peerRspFp[msgType])(pRpcMsg);
+  } else {
+    mError("msg:%p, ahandle:%p type:%s is not processed", pRpcMsg, pRpcMsg->ahandle, taosMsg[msgType]);
+  }
+
+  return 0;
+}
+
+int32_t mnodeInitWorker() {
+  mnodeInitMsgFp();
+
+  SWorkerPool *pPool = &tsMworker.write;
+  pPool->name = "mnode-write";
+  pPool->startFp = (ProcessStartFp)mnodeProcessWriteReq;
+  pPool->endFp = (ProcessEndFp)mnodeSendRpcRsp;
+  pPool->min = 1;
+  pPool->max = 1;
+  if (tWorkerInit(pPool) != 0) {
+    return TSDB_CODE_MND_OUT_OF_MEMORY;
+  } else {
+    tsMworker.writeQ = tWorkerAllocQueue(pPool, NULL);
+  }
+
+  pPool = &tsMworker.read;
+  pPool->name = "mnode-read";
+  pPool->startFp = (ProcessStartFp)mnodeProcessReadReq;
+  pPool->endFp = (ProcessEndFp)mnodeSendRpcRsp;
+  pPool->min = 2;
+  pPool->max = (int32_t)(tsNumOfCores * tsNumOfThreadsPerCore / 2);
+  pPool->max = MAX(2, pPool->max);
+  pPool->max = MIN(4, pPool->max);
+  if (tWorkerInit(pPool) != 0) {
+    return TSDB_CODE_MND_OUT_OF_MEMORY;
+  } else {
+    tsMworker.readQ = tWorkerAllocQueue(pPool, NULL);
+  }
+
+  pPool = &tsMworker.peerReq;
+  pPool->name = "mnode-peer-req";
+  pPool->startFp = (ProcessStartFp)mnodeProcessPeerReq;
+  pPool->endFp = (ProcessEndFp)mnodeSendRpcRsp;
+  pPool->min = 1;
+  pPool->max = 1;
+  if (tWorkerInit(pPool) != 0) {
+    return TSDB_CODE_MND_OUT_OF_MEMORY;
+  } else {
+    tsMworker.peerReqQ = tWorkerAllocQueue(pPool, NULL);
+  }
+
+  pPool = &tsMworker.peerRsp;
+  pPool->name = "mnode-peer-rsp";
+  pPool->startFp = (ProcessStartFp)mnodeProcessPeerRsp;
+  pPool->endFp = (ProcessEndFp)mnodeProcessPeerRspEnd;
+  pPool->min = 1;
+  pPool->max = 1;
+  if (tWorkerInit(pPool) != 0) {
+    return TSDB_CODE_MND_OUT_OF_MEMORY;
+  } else {
+    tsMworker.peerRspQ = tWorkerAllocQueue(pPool, NULL);
+  }
+
+  mInfo("mnode worker is initialized");
+  return 0;
+}
+
+void mnodeCleanupWorker() {
+  tWorkerFreeQueue(&tsMworker.write, tsMworker.writeQ);
+  tWorkerCleanup(&tsMworker.write);
+  tsMworker.writeQ = NULL;
+
+  tWorkerFreeQueue(&tsMworker.read, tsMworker.readQ);
+  tWorkerCleanup(&tsMworker.read);
+  tsMworker.readQ = NULL;
+
+  tWorkerFreeQueue(&tsMworker.peerReq, tsMworker.peerReqQ);
+  tWorkerCleanup(&tsMworker.peerReq);
+  tsMworker.peerReqQ = NULL;
+
+  tWorkerFreeQueue(&tsMworker.peerRsp, tsMworker.peerRspQ);
+  tWorkerCleanup(&tsMworker.peerRsp);
+  tsMworker.peerRspQ = NULL;
+
+  mInfo("mnode worker is closed");
+}
+
+void mnodeProcessMsg(SRpcMsg *pMsg) {
+  if (tsMworker.msgFp[pMsg->msgType]) {
+    (*tsMworker.msgFp[pMsg->msgType])(pMsg);
+  } else {
+    assert(0);
+  }
+}

source/server/mnode/src/mondeInt.c

@@ -51,7 +51,7 @@ int32_t mnodeGetDnodeId() { return tsMint.dnodeId; }
 
 char *mnodeGetClusterId() { return tsMint.clusterId; }
 
-EMnStatus mnodeIsServing() { return tsMint.state; }
+EMnStatus mnodeGetStatus() { return tsMint.state; }
 
 void mnodeSendMsgToDnode(struct SRpcEpSet *epSet, struct SRpcMsg *rpcMsg) {
   (*tsMint.fp.SendMsgToDnode)(epSet, rpcMsg);
@@ -244,5 +244,3 @@ void mnodeCleanup() {
 }
 
 int32_t mnodeRetriveAuth(char *user, char *spi, char *encrypt, char *secret, char *ckey) { return 0; }
-
-void mnodeProcessMsg(SRpcMsg *rpcMsg) {}
\ No newline at end of file

source/util/src/tworker.c

@@ -76,7 +76,7 @@ static void *tWorkerThreadFp(SWorker *worker) {
     }
 
     code = (*pool->startFp)(ahandle, msg, qtype);
-    (*pool->endFp)(ahandle, msg, qtype, code);
+    if (pool->endFp) (*pool->endFp)(ahandle, msg, qtype, code);
   }
 
   return NULL;