messages received are handled to different modules

src/dnode/src/dnodeClient.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
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#define _DEFAULT_SOURCE
-#include "os.h"
-#include "taosmsg.h"
-#include "trpc.h"
-#include "tutil.h"
-#include "tglobal.h"
-#include "dnode.h"
-#include "dnodeLog.h"
-#include "dnodeMgmt.h"
-
-static void *tsDnodeClientRpc;
-static void (*dnodeProcessDnodeRspFp[TSDB_MSG_TYPE_MAX])(SRpcMsg *rpcMsg);
-static void dnodeProcessRspFromDnode(SRpcMsg *pMsg);
-extern void dnodeUpdateIpSet(void *ahandle, SRpcIpSet *pIpSet);
-
-int32_t dnodeInitClient() {
-  SRpcInit rpcInit;
-  memset(&rpcInit, 0, sizeof(rpcInit));
-  rpcInit.label        = "DND-C";
-  rpcInit.numOfThreads = 1;
-  rpcInit.cfp          = dnodeProcessRspFromDnode;
-  rpcInit.ufp          = dnodeUpdateIpSet;
-  rpcInit.sessions     = 100;
-  rpcInit.connType     = TAOS_CONN_CLIENT;
-  rpcInit.idleTime     = tsShellActivityTimer * 2000;
-  rpcInit.user         = "t";
-  rpcInit.ckey         = "key";
-  rpcInit.secret       = "secret";
-
-  tsDnodeClientRpc = rpcOpen(&rpcInit);
-  if (tsDnodeClientRpc == NULL) {
-    dError("failed to init mnode rpc client");
-    return -1;
-  }
-
-  dPrint("inter-dndoes rpc client is opened");
-  return 0;
-}
-
-void dnodeCleanupClient() {
-  if (tsDnodeClientRpc) {
-    rpcClose(tsDnodeClientRpc);
-    tsDnodeClientRpc = NULL;
-    dPrint("inter-dnodes rpc client is closed");
-  }
-}
-
-static void dnodeProcessRspFromDnode(SRpcMsg *pMsg) {
-  if (dnodeProcessDnodeRspFp[pMsg->msgType]) {
-    (*dnodeProcessDnodeRspFp[pMsg->msgType])(pMsg);
-  } else {
-    dError("%s is not processed", taosMsg[pMsg->msgType]);
-  }
-  rpcFreeCont(pMsg->pCont);
-}
-
-void dnodeAddClientRspHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg)) {
-  dnodeProcessDnodeRspFp[msgType] = fp;
-}
-
-void dnodeSendMsgToDnode(SRpcIpSet *ipSet, SRpcMsg *rpcMsg) {
-  rpcSendRequest(tsDnodeClientRpc, ipSet, rpcMsg);
-}

src/dnode/src/dnodeServer.c → src/dnode/src/dnodeDnode.c

@@ -13,6 +13,12 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* this file is mainly responsible for the communication between DNODEs. Each 
+ * dnode works as both server and client. Dnode may send status, grant, config
+ * messages to mnode, mnode may send create/alter/drop table/vnode messages 
+ * to dnode. All theses messages are handled from here
+ */
+
 #include "os.h"
 #include "taosmsg.h"
 #include "tglobal.h"
@@ -21,20 +27,31 @@
 #include "dnodeLog.h"
 #include "dnodeMgmt.h"
 #include "dnodeWrite.h"
+#include "mnode.h"
 
-static void (*dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MAX])(SRpcMsg *);
-static void   dnodeProcessReqMsgFromDnode(SRpcMsg *pMsg);
-static void  *tsDnodeServerRpc = NULL;
+extern void dnodeUpdateIpSet(void *ahandle, SRpcIpSet *pIpSet);
+static void (*dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MAX])(SRpcMsg *);
+static void dnodeProcessReqMsgFromDnode(SRpcMsg *pMsg);
+static void (*dnodeProcessRspMsgFp[TSDB_MSG_TYPE_MAX])(SRpcMsg *rpcMsg);
+static void dnodeProcessRspFromDnode(SRpcMsg *pMsg);
+static void *tsDnodeServerRpc = NULL;
+static void *tsDnodeClientRpc = NULL;
 
 int32_t dnodeInitServer() {
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_CREATE_TABLE] = dnodeWrite;
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_DROP_TABLE]   = dnodeWrite;
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_ALTER_TABLE]  = dnodeWrite;
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_DROP_STABLE]  = dnodeWrite;
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_CREATE_VNODE] = dnodeMgmt;
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_DROP_VNODE]   = dnodeMgmt;
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_ALTER_STREAM] = dnodeMgmt;
-  dnodeProcessMgmtMsgFp[TSDB_MSG_TYPE_MD_CONFIG_DNODE] = dnodeMgmt;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_CREATE_TABLE] = dnodeWrite;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_DROP_TABLE]   = dnodeWrite;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_ALTER_TABLE]  = dnodeWrite;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_DROP_STABLE]  = dnodeWrite;
+
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_CREATE_VNODE] = dnodeMgmt;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_DROP_VNODE]   = dnodeMgmt;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_ALTER_STREAM] = dnodeMgmt;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_MD_CONFIG_DNODE] = dnodeMgmt;
+
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_DM_CONFIG_TABLE] = mgmtProcessReqMsgFromDnode;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_DM_CONFIG_VNODE] = mgmtProcessReqMsgFromDnode;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_DM_GRANT]        = mgmtProcessReqMsgFromDnode;
+  dnodeProcessReqMsgFp[TSDB_MSG_TYPE_DM_STATUS]       = mgmtProcessReqMsgFromDnode;
 
   SRpcInit rpcInit;
   memset(&rpcInit, 0, sizeof(rpcInit));
@@ -64,8 +81,6 @@ void dnodeCleanupServer() {
   }
 }
 
-void mgmtProcessReqMsgFromDnode(SRpcMsg *rpcMsg);
-
 static void dnodeProcessReqMsgFromDnode(SRpcMsg *pMsg) {
   SRpcMsg rspMsg;
   rspMsg.handle  = pMsg->handle;
@@ -76,7 +91,7 @@ static void dnodeProcessReqMsgFromDnode(SRpcMsg *pMsg) {
     rspMsg.code = TSDB_CODE_NOT_READY;
     rpcSendResponse(&rspMsg);
     rpcFreeCont(pMsg->pCont);
-    dTrace("thandle:%p, query msg is ignored since dnode not running", pMsg->handle); 
+    dTrace("RPC %p, msg:%s is ignored since dnode not running", pMsg->handle, taosMsg[pMsg->msgType]);
     return;
   }
 
@@ -86,10 +101,65 @@ static void dnodeProcessReqMsgFromDnode(SRpcMsg *pMsg) {
     return;
   }
  
-  if (dnodeProcessMgmtMsgFp[pMsg->msgType]) {
-    (*dnodeProcessMgmtMsgFp[pMsg->msgType])(pMsg);
+  if (dnodeProcessReqMsgFp[pMsg->msgType]) {
+    (*dnodeProcessReqMsgFp[pMsg->msgType])(pMsg);
   } else {
-    mgmtProcessReqMsgFromDnode(pMsg);  
+    rspMsg.code = TSDB_CODE_MSG_NOT_PROCESSED;
+    rpcSendResponse(&rspMsg);
+    rpcFreeCont(pMsg->pCont);
+    dTrace("RPC %p, message:%s not processed", pMsg->handle, taosMsg[pMsg->msgType]); 
+    return;
+
   }
 }
 
+int32_t dnodeInitClient() {
+  SRpcInit rpcInit;
+  memset(&rpcInit, 0, sizeof(rpcInit));
+  rpcInit.label        = "DND-C";
+  rpcInit.numOfThreads = 1;
+  rpcInit.cfp          = dnodeProcessRspFromDnode;
+  rpcInit.ufp          = dnodeUpdateIpSet;
+  rpcInit.sessions     = 100;
+  rpcInit.connType     = TAOS_CONN_CLIENT;
+  rpcInit.idleTime     = tsShellActivityTimer * 2000;
+  rpcInit.user         = "t";
+  rpcInit.ckey         = "key";
+  rpcInit.secret       = "secret";
+
+  tsDnodeClientRpc = rpcOpen(&rpcInit);
+  if (tsDnodeClientRpc == NULL) {
+    dError("failed to init mnode rpc client");
+    return -1;
+  }
+
+  dPrint("inter-dndoes rpc client is opened");
+  return 0;
+}
+
+void dnodeCleanupClient() {
+  if (tsDnodeClientRpc) {
+    rpcClose(tsDnodeClientRpc);
+    tsDnodeClientRpc = NULL;
+    dPrint("inter-dnodes rpc client is closed");
+  }
+}
+
+static void dnodeProcessRspFromDnode(SRpcMsg *pMsg) {
+
+  if (dnodeProcessRspMsgFp[pMsg->msgType]) {
+    (*dnodeProcessRspMsgFp[pMsg->msgType])(pMsg);
+  } else {
+    dError("RPC %p, msg:%s is not processed", pMsg->handle, taosMsg[pMsg->msgType]);
+  }
+
+  rpcFreeCont(pMsg->pCont);
+}
+
+void dnodeAddClientRspHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg)) {
+  dnodeProcessRspMsgFp[msgType] = fp;
+}
+
+void dnodeSendMsgToDnode(SRpcIpSet *ipSet, SRpcMsg *rpcMsg) {
+  rpcSendRequest(tsDnodeClientRpc, ipSet, rpcMsg);
+}

src/dnode/src/dnodeShell.c

@@ -41,6 +41,37 @@ int32_t dnodeInitShell() {
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_QUERY]  = dnodeRead;
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_FETCH]  = dnodeRead;
 
+  // the following message shall be treated as mnode write
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CONNECT]     = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CREATE_ACCT] = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_ALTER_ACCT]  = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_DROP_ACCT]   = mgmtProcessMsgFromShell; 
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CREATE_USER] = mgmtProcessMsgFromShell; 
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_ALTER_USER]  = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_DROP_USER]   = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CREATE_DNODE]= mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_DROP_DNODE]  = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CREATE_DB]   = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_DROP_DB]     = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_ALTER_DB]    = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CREATE_TABLE]= mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_DROP_TABLE]  = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_ALTER_TABLE] = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_ALTER_STREAM]= mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_KILL_QUERY]  = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_KILL_STREAM] = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_KILL_CONN]   = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_HEARTBEAT]   = mgmtProcessMsgFromShell;
+
+  // the following message shall be treated as mnode query 
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_USE_DB]      = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_TABLE_META]  = mgmtProcessMsgFromShell; 
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_STABLE_VGROUP]= mgmtProcessMsgFromShell;   
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_TABLES_META] = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_SHOW]        = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_RETRIEVE]    = mgmtProcessMsgFromShell;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CONFIG_DNODE]= mgmtProcessMsgFromShell;
+
   int32_t numOfThreads = tsNumOfCores * tsNumOfThreadsPerCore;
   numOfThreads = (int32_t) ((1.0 - tsRatioOfQueryThreads) * numOfThreads / 2.0);
   if (numOfThreads < 1) {
@@ -82,7 +113,7 @@ void dnodeProcessMsgFromShell(SRpcMsg *pMsg) {
   rpcMsg.contLen = 0;
 
   if (dnodeGetRunStatus() != TSDB_DNODE_RUN_STATUS_RUNING) {
-    dError("RPC %p, shell msg is ignored since dnode not running", pMsg->handle);
+    dError("RPC %p, shell msg:%s is ignored since dnode not running", pMsg->handle, taosMsg[pMsg->msgType]);
     rpcMsg.code = TSDB_CODE_NOT_READY;
     rpcSendResponse(&rpcMsg);
     rpcFreeCont(pMsg->pCont);
@@ -98,7 +129,11 @@ void dnodeProcessMsgFromShell(SRpcMsg *pMsg) {
   if ( dnodeProcessShellMsgFp[pMsg->msgType] ) {
     (*dnodeProcessShellMsgFp[pMsg->msgType])(pMsg);
   } else {
-    mgmtProcessMsgFromShell(pMsg);
+    dError("RPC %p, shell msg:%s is not processed", pMsg->handle, taosMsg[pMsg->msgType]);
+    rpcMsg.code = TSDB_CODE_MSG_NOT_PROCESSED;
+    rpcSendResponse(&rpcMsg);
+    rpcFreeCont(pMsg->pCont);
+    return;
   }
 }
 

src/inc/dnode.h

@@ -50,7 +50,7 @@ void *   dnodeGetMnodeInfos();
 int32_t  dnodeGetDnodeId();
 
 void     dnodeAddClientRspHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg));
-void     mgmtAddDServerMsgHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg));
+void     dnodeAddServerMsgHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg));
 void     dnodeSendMsgToDnode(SRpcIpSet *ipSet, SRpcMsg *rpcMsg);
 
 #ifdef __cplusplus

src/mnode/inc/mgmtServer.h

@@ -22,7 +22,6 @@ extern "C" {
 
 int32_t mgmtInitServer();
 void    mgmtCleanupServer();
-void    mgmtAddDServerMsgHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg));
 
 #ifdef __cplusplus
 }

src/mnode/src/mgmtDnode.c

@@ -151,7 +151,7 @@ int32_t mgmtInitDnodes() {
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_DROP_DNODE, mgmtProcessDropDnodeMsg); 
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_CONFIG_DNODE, mgmtProcessCfgDnodeMsg);
   dnodeAddClientRspHandle(TSDB_MSG_TYPE_MD_CONFIG_DNODE_RSP, mgmtProcessCfgDnodeMsgRsp);
-  mgmtAddDServerMsgHandle(TSDB_MSG_TYPE_DM_STATUS, mgmtProcessDnodeStatusMsg);
+  dnodeAddServerMsgHandle(TSDB_MSG_TYPE_DM_STATUS, mgmtProcessDnodeStatusMsg);
   mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_MODULE, mgmtGetModuleMeta);
   mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_MODULE, mgmtRetrieveModules);
   mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_CONFIGS, mgmtGetConfigMeta);

src/mnode/src/mgmtServer.c

@@ -52,7 +52,7 @@ void mgmtCleanupServer() {
   }
 }
 
-void mgmtAddDServerMsgHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg)) {
+void dnodeAddServerMsgHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg)) {
   mgmtProcessDnodeMsgFp[msgType] = fp;
 }
 

src/mnode/src/mgmtShell.c

@@ -43,7 +43,6 @@ typedef int32_t (*SShowRetrieveFp)(SShowObj *pShow, char *data, int32_t rows, vo
 
 //static int  mgmtShellRetriveAuth(char *user, char *spi, char *encrypt, char *secret, char *ckey);
 static bool mgmtCheckMsgReadOnly(SQueuedMsg *pMsg);
-//static void mgmtProcessMsgFromShell(SRpcMsg *pMsg);
 static void mgmtProcessUnSupportMsg(SRpcMsg *rpcMsg);
 static void mgmtProcessShowMsg(SQueuedMsg *queuedMsg);
 static void mgmtProcessRetrieveMsg(SQueuedMsg *queuedMsg);
@@ -52,7 +51,6 @@ static void mgmtProcessConnectMsg(SQueuedMsg *queuedMsg);
 static void mgmtProcessUseMsg(SQueuedMsg *queuedMsg);
 
 void *tsMgmtTmr;
-//static void *tsMgmtShellRpc = NULL;
 static void *tsMgmtTranQhandle = NULL;
 static void (*tsMgmtProcessShellMsgFp[TSDB_MSG_TYPE_MAX])(SQueuedMsg *) = {0};
 static void *tsQhandleCache = NULL;
@@ -121,7 +119,6 @@ void mgmtDealyedAddToShellQueue(SQueuedMsg *queuedMsg) {
 }
 
 void mgmtProcessMsgFromShell(SRpcMsg *rpcMsg) {
-  assert(rpcMsg);
 
   if (rpcMsg->pCont == NULL) {
     mgmtSendSimpleResp(rpcMsg->handle, TSDB_CODE_INVALID_MSG_LEN);

src/mnode/src/mgmtTable.c

@@ -542,7 +542,7 @@ int32_t mgmtInitTables() {
   dnodeAddClientRspHandle(TSDB_MSG_TYPE_MD_DROP_STABLE_RSP, mgmtProcessDropSuperTableRsp);
   dnodeAddClientRspHandle(TSDB_MSG_TYPE_MD_ALTER_TABLE_RSP, mgmtProcessAlterTableRsp);
 
-  mgmtAddDServerMsgHandle(TSDB_MSG_TYPE_DM_CONFIG_TABLE, mgmtProcessTableCfgMsg);
+  dnodeAddServerMsgHandle(TSDB_MSG_TYPE_DM_CONFIG_TABLE, mgmtProcessTableCfgMsg);
 
   mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_TABLE, mgmtGetShowTableMeta);
   mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_TABLE, mgmtRetrieveShowTables);

src/mnode/src/mgmtVgroup.c

@@ -221,7 +221,7 @@ int32_t mgmtInitVgroups() {
   mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_VGROUP, mgmtRetrieveVgroups);
   dnodeAddClientRspHandle(TSDB_MSG_TYPE_MD_CREATE_VNODE_RSP, mgmtProcessCreateVnodeRsp);
   dnodeAddClientRspHandle(TSDB_MSG_TYPE_MD_DROP_VNODE_RSP, mgmtProcessDropVnodeRsp);
-  mgmtAddDServerMsgHandle(TSDB_MSG_TYPE_DM_CONFIG_VNODE, mgmtProcessVnodeCfgMsg);
+  dnodeAddServerMsgHandle(TSDB_MSG_TYPE_DM_CONFIG_VNODE, mgmtProcessVnodeCfgMsg);
 
   mTrace("table:vgroups is created");