[TD-10430] add transport for compile errors

src/rpc/src/rpcMain.c → source/libs/transport/src/rpcMain.c

@@ -55,8 +55,9 @@ typedef struct {
   char     secret[TSDB_KEY_LEN]; // secret for the link
   char     ckey[TSDB_KEY_LEN];   // ciphering key 
 
-  void   (*cfp)(SRpcMsg *, SRpcEpSet *);
-  int    (*afp)(char *user, char *spi, char *encrypt, char *secret, char *ckey); 
+  void    *owner;
+  void   (*cfp)(void * owner, SRpcMsg *, SRpcEpSet *);
+  int    (*afp)(void * owner, char *user, char *spi, char *encrypt, char *secret, char *ckey); 
 
   int32_t   refCount;
   void     *idPool;   // handle to ID pool
@@ -259,6 +260,7 @@ void *rpcOpen(const SRpcInit *pInit) {
   if (pInit->secret) memcpy(pRpc->secret, pInit->secret, sizeof(pRpc->secret));
   if (pInit->ckey) tstrncpy(pRpc->ckey, pInit->ckey, sizeof(pRpc->ckey));
   pRpc->spi = pInit->spi;
+  pRpc->owner = pInit->owner;
   pRpc->cfp = pInit->cfp;
   pRpc->afp = pInit->afp;
   pRpc->refCount = 1;
@@ -741,7 +743,7 @@ static SRpcConn *rpcAllocateServerConn(SRpcInfo *pRpc, SRecvInfo *pRecv) {
       if (pConn->user[0] == 0) {
         terrno = TSDB_CODE_RPC_AUTH_REQUIRED;
       } else {
-        terrno = (*pRpc->afp)(pConn->user, &pConn->spi, &pConn->encrypt, pConn->secret, pConn->ckey);
+        terrno = (*pRpc->afp)(pRpc->owner, pConn->user, &pConn->spi, &pConn->encrypt, pConn->secret, pConn->ckey);
       }
 
       if (terrno != 0) {
@@ -1021,7 +1023,7 @@ static void doRpcReportBrokenLinkToServer(void *param, void *id) {
    SRpcMsg *pRpcMsg = (SRpcMsg *)(param); 
    SRpcConn *pConn  = (SRpcConn *)(pRpcMsg->handle);
    SRpcInfo *pRpc   = pConn->pRpc; 
-   (*(pRpc->cfp))(pRpcMsg, NULL);
+   (*(pRpc->cfp))(pRpc->owner, pRpcMsg, NULL);
    free(pRpcMsg);
 }
 static void rpcReportBrokenLinkToServer(SRpcConn *pConn) {
@@ -1136,7 +1138,7 @@ static void rpcNotifyClient(SRpcReqContext *pContext, SRpcMsg *pMsg) {
     if (pContext->epSet.inUse != pContext->oldInUse || pContext->redirect) 
       pEpSet = &pContext->epSet;  
 
-    (*pRpc->cfp)(pMsg, pEpSet);  
+    (*pRpc->cfp)(pRpc->owner, pMsg, pEpSet);  
   }
 
   // free the request message
@@ -1160,7 +1162,7 @@ static void rpcProcessIncomingMsg(SRpcConn *pConn, SRpcHead *pHead, SRpcReqConte
     rpcAddRef(pRpc);  // add the refCount for requests
 
     // notify the server app
-    (*(pRpc->cfp))(&rpcMsg, NULL);
+    (*(pRpc->cfp))(pRpc->owner, &rpcMsg, NULL);
   } else {
     // it's a response
     rpcMsg.handle = pContext;

src/rpc/CMakeLists.txt

-CMAKE_MINIMUM_REQUIRED(VERSION 2.8...3.20)
-PROJECT(TDengine)
-
-INCLUDE_DIRECTORIES(inc)
-AUX_SOURCE_DIRECTORY(src SRC)
-
-ADD_LIBRARY(trpc ${SRC})
-TARGET_LINK_LIBRARIES(trpc tutil lz4 common)
-
-ADD_SUBDIRECTORY(test)

src/rpc/test/CMakeLists.txt

-CMAKE_MINIMUM_REQUIRED(VERSION 2.8...3.20)
-PROJECT(TDengine)
-
-INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/rpc/inc)
-
-IF (TD_LINUX)
-  LIST(APPEND CLIENT_SRC ./rclient.c)
-  ADD_EXECUTABLE(rclient ${CLIENT_SRC})
-  TARGET_LINK_LIBRARIES(rclient trpc)
-
-  LIST(APPEND SCLIENT_SRC ./rsclient.c)
-  ADD_EXECUTABLE(rsclient ${SCLIENT_SRC})
-  TARGET_LINK_LIBRARIES(rsclient trpc)
-
-  LIST(APPEND SERVER_SRC ./rserver.c)
-  ADD_EXECUTABLE(rserver ${SERVER_SRC})
-  TARGET_LINK_LIBRARIES(rserver trpc)
-ENDIF ()
-
-IF (TD_DARWIN)
-  LIST(APPEND CLIENT_SRC ./rclient.c)
-  ADD_EXECUTABLE(rclient ${CLIENT_SRC})
-  TARGET_LINK_LIBRARIES(rclient trpc)
-
-  LIST(APPEND SCLIENT_SRC ./rsclient.c)
-  ADD_EXECUTABLE(rsclient ${SCLIENT_SRC})
-  TARGET_LINK_LIBRARIES(rsclient trpc)
-
-  LIST(APPEND SERVER_SRC ./rserver.c)
-  ADD_EXECUTABLE(rserver ${SERVER_SRC})
-  TARGET_LINK_LIBRARIES(rserver trpc)
-ENDIF ()

src/rpc/test/rclient.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 "os.h"
-#include "tutil.h"
-#include "tglobal.h"
-#include "rpcLog.h"
-#include "trpc.h"
-#include "taoserror.h"
-
-typedef struct {
-  int       index;
-  SRpcEpSet epSet;
-  int       num;
-  int       numOfReqs;
-  int       msgSize;
-  tsem_t    rspSem; 
-  tsem_t   *pOverSem; 
-  pthread_t thread;
-  void     *pRpc;
-} SInfo;
-
-static void processResponse(SRpcMsg *pMsg, SRpcEpSet *pEpSet) {
-  SInfo *pInfo = (SInfo *)pMsg->ahandle;
-  tDebug("thread:%d, response is received, type:%d contLen:%d code:0x%x", pInfo->index, pMsg->msgType, pMsg->contLen, pMsg->code);
-
-  if (pEpSet) pInfo->epSet = *pEpSet;
-
-  rpcFreeCont(pMsg->pCont);
-  tsem_post(&pInfo->rspSem); 
-}
-
-static int tcount = 0;
-
-static void *sendRequest(void *param) {
-  SInfo  *pInfo = (SInfo *)param;
-  SRpcMsg rpcMsg = {0}; 
-
-  tDebug("thread:%d, start to send request", pInfo->index);
-
-  while ( pInfo->numOfReqs == 0 || pInfo->num < pInfo->numOfReqs) {
-    pInfo->num++;
-    rpcMsg.pCont = rpcMallocCont(pInfo->msgSize);
-    rpcMsg.contLen = pInfo->msgSize;
-    rpcMsg.ahandle = pInfo;
-    rpcMsg.msgType = 1;
-    tDebug("thread:%d, send request, contLen:%d num:%d", pInfo->index, pInfo->msgSize, pInfo->num);
-    rpcSendRequest(pInfo->pRpc, &pInfo->epSet, &rpcMsg, NULL);
-    if ( pInfo->num % 20000 == 0 ) 
-      tInfo("thread:%d, %d requests have been sent", pInfo->index, pInfo->num);
-    tsem_wait(&pInfo->rspSem);
-  }
-
-  tDebug("thread:%d, it is over", pInfo->index);
-  tcount++;
-
-  return NULL;
-}
-
-int main(int argc, char *argv[]) {
-  SRpcInit  rpcInit;
-  SRpcEpSet epSet;
-  int      msgSize = 128;
-  int      numOfReqs = 0;
-  int      appThreads = 1;
-  char     serverIp[40] = "127.0.0.1";
-  char     secret[TSDB_KEY_LEN] = "mypassword";
-  struct   timeval systemTime;
-  int64_t  startTime, endTime;
-  pthread_attr_t thattr;
-
-  // server info
-  epSet.numOfEps = 1;
-  epSet.inUse = 0;
-  epSet.port[0] = 7000;
-  epSet.port[1] = 7000;
-  strcpy(epSet.fqdn[0], serverIp);
-  strcpy(epSet.fqdn[1], "192.168.0.1");
-
-  // client info
-  memset(&rpcInit, 0, sizeof(rpcInit));
-  rpcInit.localPort    = 0;
-  rpcInit.label        = "APP";
-  rpcInit.numOfThreads = 1;
-  rpcInit.cfp          = processResponse;
-  rpcInit.sessions     = 100;
-  rpcInit.idleTime     = tsShellActivityTimer*1000;
-  rpcInit.user         = "michael";
-  rpcInit.secret       = secret;
-  rpcInit.ckey         = "key";
-  rpcInit.spi          = 1;
-  rpcInit.connType     = TAOS_CONN_CLIENT;
-
-  for (int i=1; i<argc; ++i) { 
-    if (strcmp(argv[i], "-p")==0 && i < argc-1) {
-      epSet.port[0] = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-i") ==0 && i < argc-1) {
-      tstrncpy(epSet.fqdn[0], argv[++i], sizeof(epSet.fqdn[0])); 
-    } else if (strcmp(argv[i], "-t")==0 && i < argc-1) {
-      rpcInit.numOfThreads = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-m")==0 && i < argc-1) {
-      msgSize = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-s")==0 && i < argc-1) {
-      rpcInit.sessions = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-n")==0 && i < argc-1) {
-      numOfReqs = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-a")==0 && i < argc-1) {
-      appThreads = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-o")==0 && i < argc-1) {
-      tsCompressMsgSize = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-u")==0 && i < argc-1) {
-      rpcInit.user = argv[++i];
-    } else if (strcmp(argv[i], "-k")==0 && i < argc-1) {
-      rpcInit.secret = argv[++i];
-    } else if (strcmp(argv[i], "-spi")==0 && i < argc-1) {
-      rpcInit.spi = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-d")==0 && i < argc-1) {
-      rpcDebugFlag = atoi(argv[++i]);
-    } else {
-      printf("\nusage: %s [options] \n", argv[0]);
-      printf("  [-i ip]: first server IP address, default is:%s\n", serverIp);
-      printf("  [-p port]: server port number, default is:%d\n", epSet.port[0]);
-      printf("  [-t threads]: number of rpc threads, default is:%d\n", rpcInit.numOfThreads);
-      printf("  [-s sessions]: number of rpc sessions, default is:%d\n", rpcInit.sessions);
-      printf("  [-m msgSize]: message body size, default is:%d\n", msgSize);
-      printf("  [-a threads]: number of app threads, default is:%d\n", appThreads);
-      printf("  [-n requests]: number of requests per thread, default is:%d\n", numOfReqs);
-      printf("  [-o compSize]: compression message size, default is:%d\n", tsCompressMsgSize);
-      printf("  [-u user]: user name for the connection, default is:%s\n", rpcInit.user);
-      printf("  [-k secret]: password for the connection, default is:%s\n", rpcInit.secret);
-      printf("  [-spi SPI]: security parameter index, default is:%d\n", rpcInit.spi);
-      printf("  [-d debugFlag]: debug flag, default:%d\n", rpcDebugFlag);
-      printf("  [-h help]: print out this help\n\n");
-      exit(0);
-    }
-  }
-
-  taosInitLog("client.log", 100000, 10);
-
-  void *pRpc = rpcOpen(&rpcInit);
-  if (pRpc == NULL) {
-    tError("failed to initialize RPC");
-    return -1;
-  }
-
-  tInfo("client is initialized");
-  tInfo("threads:%d msgSize:%d requests:%d", appThreads, msgSize, numOfReqs);
-
-  gettimeofday(&systemTime, NULL);
-  startTime = systemTime.tv_sec*1000000 + systemTime.tv_usec;
-
-  SInfo *pInfo = (SInfo *)calloc(1, sizeof(SInfo)*appThreads);
- 
-  pthread_attr_init(&thattr);
-  pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);
-
-  for (int i=0; i<appThreads; ++i) {
-    pInfo->index = i;
-    pInfo->epSet = epSet;
-    pInfo->numOfReqs = numOfReqs;
-    pInfo->msgSize = msgSize;
-    tsem_init(&pInfo->rspSem, 0, 0);
-    pInfo->pRpc = pRpc;
-    pthread_create(&pInfo->thread, &thattr, sendRequest, pInfo);
-    pInfo++;
-  }
-
-  do {
-    usleep(1);
-  } while ( tcount < appThreads);
-
-  gettimeofday(&systemTime, NULL);
-  endTime = systemTime.tv_sec*1000000 + systemTime.tv_usec;  
-  float usedTime = (endTime - startTime)/1000.0f;  // mseconds
-
-  tInfo("it takes %.3f mseconds to send %d requests to server", usedTime, numOfReqs*appThreads);
-  tInfo("Performance: %.3f requests per second, msgSize:%d bytes", 1000.0*numOfReqs*appThreads/usedTime, msgSize);
-
-  int ch = getchar();
-  UNUSED(ch); 
-
-  taosCloseLog();
-
-  return 0;
-}
-
-

src/rpc/test/rsclient.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 "os.h"
-#include "tutil.h"
-#include "tglobal.h"
-#include "rpcLog.h"
-#include "trpc.h"
-#include "taoserror.h"
-
-typedef struct {
-  int       index;
-  SRpcEpSet epSet;
-  int       num;
-  int       numOfReqs;
-  int       msgSize;
-  tsem_t    rspSem; 
-  tsem_t   *pOverSem; 
-  pthread_t thread;
-  void     *pRpc;
-} SInfo;
-
-
-static int tcount = 0;
-static int terror = 0;
-
-static void *sendRequest(void *param) {
-  SInfo  *pInfo = (SInfo *)param;
-  SRpcMsg rpcMsg, rspMsg;
-
-  tDebug("thread:%d, start to send request", pInfo->index);
-
-  while ( pInfo->numOfReqs == 0 || pInfo->num < pInfo->numOfReqs) {
-    pInfo->num++;
-    rpcMsg.pCont = rpcMallocCont(pInfo->msgSize);
-    rpcMsg.contLen = pInfo->msgSize;
-    rpcMsg.handle = pInfo;
-    rpcMsg.msgType = 1;
-    tDebug("thread:%d, send request, contLen:%d num:%d", pInfo->index, pInfo->msgSize, pInfo->num);
-
-    rpcSendRecv(pInfo->pRpc, &pInfo->epSet, &rpcMsg, &rspMsg);
-    
-    // handle response
-    if (rspMsg.code != 0) terror++;
-
-    tDebug("thread:%d, rspLen:%d code:%d", pInfo->index, rspMsg.contLen, rspMsg.code);
-
-    rpcFreeCont(rspMsg.pCont);
-
-    if ( pInfo->num % 20000 == 0 ) 
-      tInfo("thread:%d, %d requests have been sent", pInfo->index, pInfo->num);
-  }
-
-  tDebug("thread:%d, it is over", pInfo->index);
-  tcount++;
-
-  return NULL;
-}
-
-int main(int argc, char *argv[]) {
-  SRpcInit  rpcInit;
-  SRpcEpSet epSet;
-  int      msgSize = 128;
-  int      numOfReqs = 0;
-  int      appThreads = 1;
-  char     serverIp[40] = "127.0.0.1";
-  char     secret[TSDB_KEY_LEN] = "mypassword";
-  struct   timeval systemTime;
-  int64_t  startTime, endTime;
-  pthread_attr_t thattr;
-
-  // server info
-  epSet.numOfEps = 1;
-  epSet.inUse = 0;
-  epSet.port[0] = 7000;
-  epSet.port[1] = 7000;
-  strcpy(epSet.fqdn[0], serverIp);
-  strcpy(epSet.fqdn[1], "192.168.0.1");
-
-  // client info
-  memset(&rpcInit, 0, sizeof(rpcInit));
-  //rpcInit.localIp      = "0.0.0.0";
-  rpcInit.localPort    = 0;
-  rpcInit.label        = "APP";
-  rpcInit.numOfThreads = 1;
-  rpcInit.sessions     = 100;
-  rpcInit.idleTime     = tsShellActivityTimer*1000;
-  rpcInit.user         = "michael";
-  rpcInit.secret       = secret;
-  rpcInit.ckey         = "key";
-  rpcInit.spi          = 1;
-  rpcInit.connType     = TAOS_CONN_CLIENT;
-
-  for (int i=1; i<argc; ++i) { 
-    if (strcmp(argv[i], "-p")==0 && i < argc-1) {
-      epSet.port[0] = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-i") ==0 && i < argc-1) {
-      tstrncpy(epSet.fqdn[0], argv[++i], sizeof(epSet.fqdn[0])); 
-    } else if (strcmp(argv[i], "-t")==0 && i < argc-1) {
-      rpcInit.numOfThreads = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-m")==0 && i < argc-1) {
-      msgSize = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-s")==0 && i < argc-1) {
-      rpcInit.sessions = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-n")==0 && i < argc-1) {
-      numOfReqs = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-a")==0 && i < argc-1) {
-      appThreads = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-o")==0 && i < argc-1) {
-      tsCompressMsgSize = atoi(argv[++i]); 
-    } else if (strcmp(argv[i], "-u")==0 && i < argc-1) {
-      rpcInit.user = argv[++i];
-    } else if (strcmp(argv[i], "-k")==0 && i < argc-1) {
-      rpcInit.secret = argv[++i];
-    } else if (strcmp(argv[i], "-spi")==0 && i < argc-1) {
-      rpcInit.spi = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-d")==0 && i < argc-1) {
-      rpcDebugFlag = atoi(argv[++i]);
-    } else {
-      printf("\nusage: %s [options] \n", argv[0]);
-      printf("  [-i ip]: first server IP address, default is:%s\n", serverIp);
-      printf("  [-p port]: server port number, default is:%d\n", epSet.port[0]);
-      printf("  [-t threads]: number of rpc threads, default is:%d\n", rpcInit.numOfThreads);
-      printf("  [-s sessions]: number of rpc sessions, default is:%d\n", rpcInit.sessions);
-      printf("  [-m msgSize]: message body size, default is:%d\n", msgSize);
-      printf("  [-a threads]: number of app threads, default is:%d\n", appThreads);
-      printf("  [-n requests]: number of requests per thread, default is:%d\n", numOfReqs);
-      printf("  [-o compSize]: compression message size, default is:%d\n", tsCompressMsgSize);
-      printf("  [-u user]: user name for the connection, default is:%s\n", rpcInit.user);
-      printf("  [-k secret]: password for the connection, default is:%s\n", rpcInit.secret);
-      printf("  [-spi SPI]: security parameter index, default is:%d\n", rpcInit.spi);
-      printf("  [-d debugFlag]: debug flag, default:%d\n", rpcDebugFlag);
-      printf("  [-h help]: print out this help\n\n");
-      exit(0);
-    }
-  }
-
-  taosInitLog("client.log", 100000, 10);
-
-  void *pRpc = rpcOpen(&rpcInit);
-  if (pRpc == NULL) {
-    tError("failed to initialize RPC");
-    return -1;
-  }
-
-  tInfo("client is initialized");
-
-  gettimeofday(&systemTime, NULL);
-  startTime = systemTime.tv_sec*1000000 + systemTime.tv_usec;
-
-  SInfo *pInfo = (SInfo *)calloc(1, sizeof(SInfo)*appThreads);
- 
-  pthread_attr_init(&thattr);
-  pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);
-
-  for (int i=0; i<appThreads; ++i) {
-    pInfo->index = i;
-    pInfo->epSet = epSet;
-    pInfo->numOfReqs = numOfReqs;
-    pInfo->msgSize = msgSize;
-    tsem_init(&pInfo->rspSem, 0, 0);
-    pInfo->pRpc = pRpc;
-    pthread_create(&pInfo->thread, &thattr, sendRequest, pInfo);
-    pInfo++;
-  }
-
-  do {
-    usleep(1);
-  } while ( tcount < appThreads);
-
-  gettimeofday(&systemTime, NULL);
-  endTime = systemTime.tv_sec*1000000 + systemTime.tv_usec;  
-  float usedTime = (endTime - startTime)/1000.0;  // mseconds
-
-  tInfo("it takes %.3f mseconds to send %d requests to server, error num:%d", usedTime, numOfReqs*appThreads, terror);
-  tInfo("Performance: %.3f requests per second, msgSize:%d bytes", 1000.0*numOfReqs*appThreads/usedTime, msgSize);
-
-  taosCloseLog();
-
-  return 0;
-}
-
-

src/rpc/test/rserver.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/>.
- */
-
-//#define _DEFAULT_SOURCE
-#include "os.h"
-#include "tglobal.h"
-#include "rpcLog.h"
-#include "trpc.h"
-#include "tqueue.h"
-
-int msgSize = 128;
-int commit = 0;
-int dataFd = -1;
-void *qhandle = NULL;
-void *qset = NULL;
-
-void processShellMsg() {
-  static int num = 0;
-  taos_qall  qall;
-  SRpcMsg   *pRpcMsg, rpcMsg;
-  int        type;
-  void      *pvnode;
- 
-  qall = taosAllocateQall();
-
-  while (1) {
-    int numOfMsgs = taosReadAllQitemsFromQset(qset, qall, &pvnode);
-    tDebug("%d shell msgs are received", numOfMsgs);
-    if (numOfMsgs <= 0) break;
-
-    for (int i=0; i<numOfMsgs; ++i) {
-      taosGetQitem(qall, &type, (void **)&pRpcMsg);
- 
-      if (dataFd >=0) {
-        if ( write(dataFd, pRpcMsg->pCont, pRpcMsg->contLen) <0 ) {
-          tInfo("failed to write data file, reason:%s", strerror(errno));
-        }
-      }
-    }
-
-    if (commit >=2) {
-      num += numOfMsgs;
-      if ( taosFsync(dataFd) < 0 ) {
-        tInfo("failed to flush data to file, reason:%s", strerror(errno));
-      }
-
-      if (num % 10000 == 0) {
-        tInfo("%d request have been written into disk", num);
-      }
-    }
-  
-    taosResetQitems(qall);
-    for (int i=0; i<numOfMsgs; ++i) {
-
-      taosGetQitem(qall, &type, (void **)&pRpcMsg);
-      rpcFreeCont(pRpcMsg->pCont);
-
-      memset(&rpcMsg, 0, sizeof(rpcMsg));
-      rpcMsg.pCont = rpcMallocCont(msgSize);
-      rpcMsg.contLen = msgSize;
-      rpcMsg.handle = pRpcMsg->handle;
-      rpcMsg.code = 0;
-      rpcSendResponse(&rpcMsg);
-
-      taosFreeQitem(pRpcMsg);
-    }
-
-  }
-
-  taosFreeQall(qall);
-
-}
-
-int retrieveAuthInfo(char *meterId, char *spi, char *encrypt, char *secret, char *ckey) {
-  // app shall retrieve the auth info based on meterID from DB or a data file
-  // demo code here only for simple demo
-  int ret = 0;
-
-  if (strcmp(meterId, "michael") == 0) {
-    *spi = 1;
-    *encrypt = 0;
-    strcpy(secret, "mypassword");
-    strcpy(ckey, "key");
-  } else if (strcmp(meterId, "jeff") == 0) {
-    *spi = 0;
-    *encrypt = 0;
-  } else {
-    ret = -1;  // user not there
-  }
-
-  return ret;
-}
-
-void processRequestMsg(SRpcMsg *pMsg, SRpcEpSet *pEpSet) {
-  SRpcMsg *pTemp;
- 
-  pTemp = taosAllocateQitem(sizeof(SRpcMsg));
-  memcpy(pTemp, pMsg, sizeof(SRpcMsg));
-
-  tDebug("request is received, type:%d, contLen:%d, item:%p", pMsg->msgType, pMsg->contLen, pTemp);
-  taosWriteQitem(qhandle, TAOS_QTYPE_RPC, pTemp); 
-}
-
-int main(int argc, char *argv[]) {
-  SRpcInit rpcInit;
-  char     dataName[20] = "server.data";
-
-  taosBlockSIGPIPE();
-
-  memset(&rpcInit, 0, sizeof(rpcInit));
-  rpcInit.localPort    = 7000;
-  rpcInit.label        = "SER";
-  rpcInit.numOfThreads = 1;
-  rpcInit.cfp          = processRequestMsg;
-  rpcInit.sessions     = 1000;
-  rpcInit.idleTime     = tsShellActivityTimer*1500; 
-  rpcInit.afp          = retrieveAuthInfo;
-
-  for (int i=1; i<argc; ++i) {
-    if (strcmp(argv[i], "-p")==0 && i < argc-1) {
-      rpcInit.localPort = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-t")==0 && i < argc-1) {
-      rpcInit.numOfThreads = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-m")==0 && i < argc-1) {
-      msgSize = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-s")==0 && i < argc-1) {
-      rpcInit.sessions = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-o")==0 && i < argc-1) {
-      tsCompressMsgSize = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-w")==0 && i < argc-1) {
-      commit = atoi(argv[++i]);
-    } else if (strcmp(argv[i], "-d")==0 && i < argc-1) {
-      rpcDebugFlag = atoi(argv[++i]);
-      dDebugFlag = rpcDebugFlag;
-      uDebugFlag = rpcDebugFlag;
-    } else {
-      printf("\nusage: %s [options] \n", argv[0]);
-      printf("  [-p port]: server port number, default is:%d\n", rpcInit.localPort);
-      printf("  [-t threads]: number of rpc threads, default is:%d\n", rpcInit.numOfThreads);
-      printf("  [-s sessions]: number of sessions, default is:%d\n", rpcInit.sessions);
-      printf("  [-m msgSize]: message body size, default is:%d\n", msgSize);
-      printf("  [-o compSize]: compression message size, default is:%d\n", tsCompressMsgSize);
-      printf("  [-w write]: write received data to file(0, 1, 2), default is:%d\n", commit);
-      printf("  [-d debugFlag]: debug flag, default:%d\n", rpcDebugFlag);
-      printf("  [-h help]: print out this help\n\n");
-      exit(0);
-    }
-  } 
-
-  tsAsyncLog = 0;
-  rpcInit.connType = TAOS_CONN_SERVER;
-  taosInitLog("server.log", 100000, 10);
-
-  void *pRpc = rpcOpen(&rpcInit);
-  if (pRpc == NULL) {
-    tError("failed to start RPC server");
-    return -1;
-  }
-
-  tInfo("RPC server is running, ctrl-c to exit");
-
-  if (commit) {
-    dataFd = open(dataName, O_APPEND | O_CREAT | O_WRONLY, S_IRWXU | S_IRWXG | S_IRWXO);  
-    if (dataFd<0) 
-      tInfo("failed to open data file, reason:%s", strerror(errno));
-  }
-
-  qhandle = taosOpenQueue(sizeof(SRpcMsg));
-  qset = taosOpenQset();
-  taosAddIntoQset(qset, qhandle, NULL);
-
-  processShellMsg();
-
-  if (dataFd >= 0) {
-    close(dataFd);
-    remove(dataName);
-  }
-
-  return 0;
-}