first draft

src/client/src/tscServer.c

@@ -512,7 +512,7 @@ void tscKillSTableQuery(SSqlObj *pSql) {
   tscTrace("%p metric query is cancelled", pSql);
 }
 
-int tscBuildRetrieveMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
+int tscBuildFetchMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   char *pMsg, *pStart;
 
   pStart = pSql->cmd.payload + tsRpcHeadSize;
@@ -541,7 +541,7 @@ int tscBuildRetrieveMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   
   pRetrieveMsg->header.contLen = htonl(pSql->cmd.payloadLen);
   
-  pSql->cmd.msgType = TSDB_MSG_TYPE_RETRIEVE;
+  pSql->cmd.msgType = TSDB_MSG_TYPE_FETCH;
   return TSDB_CODE_SUCCESS;
 }
 
@@ -1365,7 +1365,7 @@ int tscAlterDbMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 
 int tscBuildRetrieveFromMgmtMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   SSqlCmd *pCmd = &pSql->cmd;
-  pCmd->msgType = TSDB_MSG_TYPE_RETRIEVE;
+  pCmd->msgType = TSDB_MSG_TYPE_CM_RETRIEVE;
   pCmd->payloadLen = sizeof(SRetrieveTableMsg);
 
   if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
@@ -2595,7 +2595,7 @@ int tscGetSTableVgroupInfo(SSqlObj *pSql, int32_t clauseIndex) {
 void tscInitMsgsFp() {
   tscBuildMsg[TSDB_SQL_SELECT] = tscBuildQueryMsg;
   tscBuildMsg[TSDB_SQL_INSERT] = tscBuildSubmitMsg;
-  tscBuildMsg[TSDB_SQL_FETCH] = tscBuildRetrieveMsg;
+  tscBuildMsg[TSDB_SQL_FETCH] = tscBuildFetchMsg;
 
   tscBuildMsg[TSDB_SQL_CREATE_DB] = tscBuildCreateDbMsg;
   tscBuildMsg[TSDB_SQL_CREATE_USER] = tscBuildUserMsg;

src/common/src/tmessage.c

@@ -23,9 +23,9 @@ char *taosMsg[] = {
     "query-rsp",
     "retrieve",
     "retrieve-rsp",
+
     "create-table",
     "create-table-rsp",        //10
-
     "drop-table",
     "drop-table-rsp",
     "alter-table",
@@ -100,13 +100,13 @@ char *taosMsg[] = {
     "kill-stream-rsp",
     "kill-connection",
     "kill-connectoin-rsp",
+    "config-dnode",
+    "config-dnode-rsp",
+    "retrieve",
+    "retrieve-rsp",
     "heart-beat",
-    "heart-beat-rsp",      //80
+    "heart-beat-rsp",      //84
 
-    "",
-    "",
-    "",
-    "",
     "",
     "",
     "",

src/dnode/src/dnodeRead.c

@@ -95,7 +95,7 @@ void dnodeRead(SRpcMsg *pMsg) {
     pHead->vgId    = htonl(pHead->vgId);
     pHead->contLen = htonl(pHead->contLen);
 
-    if (pMsg->msgType == TSDB_MSG_TYPE_RETRIEVE) {
+    if (pMsg->msgType == TSDB_MSG_TYPE_FETCH) {
       pVnode = vnodeGetVnode(pHead->vgId);
     } else {
       pVnode = vnodeAccquireVnode(pHead->vgId);

src/dnode/src/dnodeShell.c

@@ -37,7 +37,7 @@ static int32_t tsDnodeSubmitReqNum = 0;
 int32_t dnodeInitShell() {
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_SUBMIT] = dnodeWrite;
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_QUERY]  = dnodeRead;
-  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_RETRIEVE] = dnodeRead;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_FETCH]  = dnodeRead;
 
   int32_t numOfThreads = tsNumOfCores * tsNumOfThreadsPerCore;
   numOfThreads = (int32_t) ((1.0 - tsRatioOfQueryThreads) * numOfThreads / 2.0);

src/inc/taosmsg.h

@@ -28,14 +28,12 @@ extern "C" {
 #include "trpc.h"
 
 // message type
-#define TSDB_MSG_TYPE_REG               1
-#define TSDB_MSG_TYPE_REG_RSP           2
 #define TSDB_MSG_TYPE_SUBMIT            3
 #define TSDB_MSG_TYPE_SUBMIT_RSP        4
 #define TSDB_MSG_TYPE_QUERY             5
 #define TSDB_MSG_TYPE_QUERY_RSP         6
-#define TSDB_MSG_TYPE_RETRIEVE          7
-#define TSDB_MSG_TYPE_RETRIEVE_RSP      8
+#define TSDB_MSG_TYPE_FETCH             7
+#define TSDB_MSG_TYPE_FETCH_RSP         8
 
 // message from mnode to dnode
 #define TSDB_MSG_TYPE_MD_CREATE_TABLE     9
@@ -74,8 +72,6 @@ extern "C" {
 #define TSDB_MSG_TYPE_CM_CREATE_DNODE_RSP 46
 #define TSDB_MSG_TYPE_CM_DROP_DNODE       47
 #define TSDB_MSG_TYPE_CM_DROP_DNODE_RSP   48
-#define TSDB_MSG_TYPE_CM_CONFIG_DNODE     TSDB_MSG_TYPE_MD_CONFIG_DNODE
-#define TSDB_MSG_TYPE_CM_CONFIG_DNODE_RSP TSDB_MSG_TYPE_MD_CONFIG_DNODE_RSP
 #define TSDB_MSG_TYPE_CM_CREATE_DB        49
 #define TSDB_MSG_TYPE_CM_CREATE_DB_RSP    50
 #define TSDB_MSG_TYPE_CM_DROP_DB          51
@@ -106,8 +102,12 @@ extern "C" {
 #define TSDB_MSG_TYPE_CM_KILL_STREAM_RSP  76
 #define TSDB_MSG_TYPE_CM_KILL_CONN        77
 #define TSDB_MSG_TYPE_CM_KILL_CONN_RSP    78
-#define TSDB_MSG_TYPE_CM_HEARTBEAT 79
-#define TSDB_MSG_TYPE_CM_HEARTBEAT_RSP 80
+#define TSDB_MSG_TYPE_CM_CONFIG_DNODE     79 
+#define TSDB_MSG_TYPE_CM_CONFIG_DNODE_RSP 80
+#define TSDB_MSG_TYPE_CM_RETRIEVE         81
+#define TSDB_MSG_TYPE_CM_RETRIEVE_RSP     82
+#define TSDB_MSG_TYPE_CM_HEARTBEAT        83
+#define TSDB_MSG_TYPE_CM_HEARTBEAT_RSP    84
 
 // message from dnode to mnode
 #define TSDB_MSG_TYPE_DM_CONFIG_TABLE 91

src/mnode/src/mgmtShell.c

@@ -61,7 +61,7 @@ static SShowRetrieveFp tsMgmtShowRetrieveFp[TSDB_MGMT_TABLE_MAX] = {0};
 
 int32_t mgmtInitShell() {
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_SHOW, mgmtProcessShowMsg);
-  mgmtAddShellMsgHandle(TSDB_MSG_TYPE_RETRIEVE, mgmtProcessRetrieveMsg);
+  mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_RETRIEVE, mgmtProcessRetrieveMsg);
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_HEARTBEAT, mgmtProcessHeartBeatMsg);
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_CONNECT, mgmtProcessConnectMsg);
   mgmtAddShellMsgHandle(TSDB_MSG_TYPE_CM_USE_DB, mgmtProcessUseMsg);
@@ -490,7 +490,7 @@ static bool mgmtCheckMsgReadOnly(SQueuedMsg *pMsg) {
     return mgmtCheckTableMetaMsgReadOnly(pMsg);
   }
 
-  if (pMsg->msgType == TSDB_MSG_TYPE_CM_STABLE_VGROUP || pMsg->msgType == TSDB_MSG_TYPE_RETRIEVE       ||
+  if (pMsg->msgType == TSDB_MSG_TYPE_CM_STABLE_VGROUP || pMsg->msgType == TSDB_MSG_TYPE_CM_RETRIEVE    ||
       pMsg->msgType == TSDB_MSG_TYPE_CM_SHOW          || pMsg->msgType == TSDB_MSG_TYPE_CM_TABLES_META ||
       pMsg->msgType == TSDB_MSG_TYPE_CM_CONNECT) {
     return true;

src/rpc/src/rpcMain.c

@@ -363,7 +363,7 @@ void rpcSendRequest(void *shandle, const SRpcIpSet *pIpSet, const SRpcMsg *pMsg)
   // connection type is application specific. 
   // for TDengine, all the query, show commands shall have TCP connection
   char type = pMsg->msgType;
-  if (type == TSDB_MSG_TYPE_QUERY || type == TSDB_MSG_TYPE_RETRIEVE ||
+  if (type == TSDB_MSG_TYPE_QUERY || type == TSDB_MSG_TYPE_CM_RETRIEVE || type == TSDB_MSG_TYPE_FETCH ||
       type == TSDB_MSG_TYPE_CM_STABLE_VGROUP || type == TSDB_MSG_TYPE_CM_TABLES_META ||
       type == TSDB_MSG_TYPE_CM_SHOW )
     pContext->connType = RPC_CONN_TCPC;
@@ -802,7 +802,7 @@ static SRpcConn *rpcProcessMsgHead(SRpcInfo *pRpc, SRecvInfo *pRecv) {
   pHead->code = htonl(pHead->code);
 
   if (terrno == 0) {
-    if (pHead->msgType != TSDB_MSG_TYPE_REG && pHead->encrypt) {
+    if (pHead->encrypt) {
       // decrypt here
     }
 

src/vnode/src/vnodeRead.c

@@ -29,11 +29,11 @@
 
 static int32_t (*vnodeProcessReadMsgFp[TSDB_MSG_TYPE_MAX])(SVnodeObj *, void *pCont, int32_t contLen, SRspRet *pRet);
 static int32_t  vnodeProcessQueryMsg(SVnodeObj *pVnode, void *pCont, int32_t contLen, SRspRet *pRet);
-static int32_t  vnodeProcessRetrieveMsg(SVnodeObj *pVnode, void *pCont, int32_t contLen, SRspRet *pRet);
+static int32_t  vnodeProcessFetchMsg(SVnodeObj *pVnode, void *pCont, int32_t contLen, SRspRet *pRet);
 
 void vnodeInitReadFp(void) {
   vnodeProcessReadMsgFp[TSDB_MSG_TYPE_QUERY] = vnodeProcessQueryMsg;
-  vnodeProcessReadMsgFp[TSDB_MSG_TYPE_RETRIEVE] = vnodeProcessRetrieveMsg;
+  vnodeProcessReadMsgFp[TSDB_MSG_TYPE_FETCH] = vnodeProcessFetchMsg;
 }
 
 int32_t vnodeProcessRead(void *param, int msgType, void *pCont, int32_t contLen, SRspRet *ret) {
@@ -76,7 +76,7 @@ static int32_t vnodeProcessQueryMsg(SVnodeObj *pVnode, void *pCont, int32_t cont
   return code;
 }
 
-static int32_t vnodeProcessRetrieveMsg(SVnodeObj *pVnode, void *pCont, int32_t contLen, SRspRet *pRet) {
+static int32_t vnodeProcessFetchMsg(SVnodeObj *pVnode, void *pCont, int32_t contLen, SRspRet *pRet) {
   SRetrieveTableMsg *pRetrieve = pCont;
   void *pQInfo = (void*) htobe64(pRetrieve->qhandle);
   memset(pRet, 0, sizeof(SRspRet));