syncMessage.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 "syncMessage.h"
#include "syncUtil.h"
#include "tcoding.h"

// ---------------------------------------------
cJSON* syncRpcMsg2Json(SRpcMsg* pRpcMsg) {
  cJSON* pRoot;

  // in compiler optimization, switch case = if else constants
  if (pRpcMsg->msgType == TDMT_VND_SYNC_TIMEOUT) {
    SyncTimeout* pSyncMsg = syncTimeoutDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncTimeout2Json(pSyncMsg);
    syncTimeoutDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_PING) {
    SyncPing* pSyncMsg = syncPingDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncPing2Json(pSyncMsg);
    syncPingDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_PING_REPLY) {
    SyncPingReply* pSyncMsg = syncPingReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncPingReply2Json(pSyncMsg);
    syncPingReplyDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_CLIENT_REQUEST) {
    SyncClientRequest* pSyncMsg = syncClientRequestDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncClientRequest2Json(pSyncMsg);
    syncClientRequestDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_CLIENT_REQUEST_REPLY) {
    pRoot = syncRpcUnknownMsg2Json();

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_REQUEST_VOTE) {
    SyncRequestVote* pSyncMsg = syncRequestVoteDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncRequestVote2Json(pSyncMsg);
    syncRequestVoteDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_REQUEST_VOTE_REPLY) {
    SyncRequestVoteReply* pSyncMsg = syncRequestVoteReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncRequestVoteReply2Json(pSyncMsg);
    syncRequestVoteReplyDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_APPEND_ENTRIES) {
    SyncAppendEntries* pSyncMsg = syncAppendEntriesDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncAppendEntries2Json(pSyncMsg);
    syncAppendEntriesDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_APPEND_ENTRIES_REPLY) {
    SyncAppendEntriesReply* pSyncMsg = syncAppendEntriesReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncAppendEntriesReply2Json(pSyncMsg);
    syncAppendEntriesReplyDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_SNAPSHOT_SEND) {
    SyncSnapshotSend* pSyncMsg = syncSnapshotSendDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncSnapshotSend2Json(pSyncMsg);
    syncSnapshotSendDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_SNAPSHOT_RSP) {
    SyncSnapshotRsp* pSyncMsg = syncSnapshotRspDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
    pRoot = syncSnapshotRsp2Json(pSyncMsg);
    syncSnapshotRspDestroy(pSyncMsg);

  } else if (pRpcMsg->msgType == TDMT_VND_SYNC_COMMON_RESPONSE) {
    pRoot = cJSON_CreateObject();
    char* s;
    s = syncUtilprintBin((char*)(pRpcMsg->pCont), pRpcMsg->contLen);
    cJSON_AddStringToObject(pRoot, "pCont", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pRpcMsg->pCont), pRpcMsg->contLen);
    cJSON_AddStringToObject(pRoot, "pCont2", s);
    taosMemoryFree(s);

  } else {
    pRoot = cJSON_CreateObject();
    char* s;
    s = syncUtilprintBin((char*)(pRpcMsg->pCont), pRpcMsg->contLen);
    cJSON_AddStringToObject(pRoot, "pCont", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pRpcMsg->pCont), pRpcMsg->contLen);
    cJSON_AddStringToObject(pRoot, "pCont2", s);
    taosMemoryFree(s);
  }

  cJSON_AddNumberToObject(pRoot, "msgType", pRpcMsg->msgType);
  cJSON_AddNumberToObject(pRoot, "contLen", pRpcMsg->contLen);
  cJSON_AddNumberToObject(pRoot, "code", pRpcMsg->code);
  // cJSON_AddNumberToObject(pRoot, "persist", pRpcMsg->persist);

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "RpcMsg", pRoot);
  return pJson;
}

cJSON* syncRpcUnknownMsg2Json() {
  cJSON* pRoot = cJSON_CreateObject();
  cJSON_AddNumberToObject(pRoot, "msgType", TDMT_VND_SYNC_UNKNOWN);
  cJSON_AddStringToObject(pRoot, "data", "unknown message");

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncUnknown", pRoot);
  return pJson;
}

char* syncRpcMsg2Str(SRpcMsg* pRpcMsg) {
  cJSON* pJson = syncRpcMsg2Json(pRpcMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncRpcMsgPrint(SRpcMsg* pMsg) {
  char* serialized = syncRpcMsg2Str(pMsg);
  printf("syncRpcMsgPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncRpcMsgPrint2(char* s, SRpcMsg* pMsg) {
  char* serialized = syncRpcMsg2Str(pMsg);
  printf("syncRpcMsgPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncRpcMsgLog(SRpcMsg* pMsg) {
  char* serialized = syncRpcMsg2Str(pMsg);
  sTrace("syncRpcMsgLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncRpcMsgLog2(char* s, SRpcMsg* pMsg) {
  char* serialized = syncRpcMsg2Str(pMsg);
  sTrace("syncRpcMsgLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncTimeout----
SyncTimeout* syncTimeoutBuild() {
  uint32_t     bytes = sizeof(SyncTimeout);
  SyncTimeout* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->msgType = TDMT_VND_SYNC_TIMEOUT;
  return pMsg;
}

SyncTimeout* syncTimeoutBuild2(ESyncTimeoutType timeoutType, uint64_t logicClock, int32_t timerMS, int32_t vgId,
                               void* data) {
  SyncTimeout* pMsg = syncTimeoutBuild();
  pMsg->vgId = vgId;
  pMsg->timeoutType = timeoutType;
  pMsg->logicClock = logicClock;
  pMsg->timerMS = timerMS;
  pMsg->data = data;
  return pMsg;
}

void syncTimeoutDestroy(SyncTimeout* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncTimeoutSerialize(const SyncTimeout* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncTimeoutDeserialize(const char* buf, uint32_t len, SyncTimeout* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
}

char* syncTimeoutSerialize2(const SyncTimeout* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncTimeoutSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncTimeout* syncTimeoutDeserialize2(const char* buf, uint32_t len) {
  uint32_t     bytes = *((uint32_t*)buf);
  SyncTimeout* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncTimeoutDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

void syncTimeout2RpcMsg(const SyncTimeout* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncTimeoutSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncTimeoutFromRpcMsg(const SRpcMsg* pRpcMsg, SyncTimeout* pMsg) {
  syncTimeoutDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncTimeout* syncTimeoutFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncTimeout* pMsg = syncTimeoutDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncTimeout2Json(const SyncTimeout* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);
    cJSON_AddNumberToObject(pRoot, "timeoutType", pMsg->timeoutType);
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->logicClock);
    cJSON_AddStringToObject(pRoot, "logicClock", u64buf);
    cJSON_AddNumberToObject(pRoot, "timerMS", pMsg->timerMS);
    snprintf(u64buf, sizeof(u64buf), "%p", pMsg->data);
    cJSON_AddStringToObject(pRoot, "data", u64buf);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncTimeout", pRoot);
  return pJson;
}

char* syncTimeout2Str(const SyncTimeout* pMsg) {
  cJSON* pJson = syncTimeout2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncTimeoutPrint(const SyncTimeout* pMsg) {
  char* serialized = syncTimeout2Str(pMsg);
  printf("syncTimeoutPrint | len:%zu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncTimeoutPrint2(char* s, const SyncTimeout* pMsg) {
  char* serialized = syncTimeout2Str(pMsg);
  printf("syncTimeoutPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncTimeoutLog(const SyncTimeout* pMsg) {
  char* serialized = syncTimeout2Str(pMsg);
  sTrace("syncTimeoutLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncTimeoutLog2(char* s, const SyncTimeout* pMsg) {
  char* serialized = syncTimeout2Str(pMsg);
  sTrace("syncTimeoutLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncPing----
SyncPing* syncPingBuild(uint32_t dataLen) {
  uint32_t  bytes = sizeof(SyncPing) + dataLen;
  SyncPing* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->msgType = TDMT_VND_SYNC_PING;
  pMsg->dataLen = dataLen;
  return pMsg;
}

SyncPing* syncPingBuild2(const SRaftId* srcId, const SRaftId* destId, int32_t vgId, const char* str) {
  uint32_t  dataLen = strlen(str) + 1;
  SyncPing* pMsg = syncPingBuild(dataLen);
  pMsg->vgId = vgId;
  pMsg->srcId = *srcId;
  pMsg->destId = *destId;
  snprintf(pMsg->data, pMsg->dataLen, "%s", str);
  return pMsg;
}

SyncPing* syncPingBuild3(const SRaftId* srcId, const SRaftId* destId, int32_t vgId) {
  SyncPing* pMsg = syncPingBuild2(srcId, destId, vgId, "ping");
  return pMsg;
}

void syncPingDestroy(SyncPing* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncPingSerialize(const SyncPing* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncPingDeserialize(const char* buf, uint32_t len, SyncPing* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
  assert(pMsg->bytes == sizeof(SyncPing) + pMsg->dataLen);
}

char* syncPingSerialize2(const SyncPing* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncPingSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncPing* syncPingDeserialize2(const char* buf, uint32_t len) {
  uint32_t  bytes = *((uint32_t*)buf);
  SyncPing* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncPingDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

int32_t syncPingSerialize3(const SyncPing* pMsg, char* buf, int32_t bufLen) {
  SEncoder encoder = {0};
  tEncoderInit(&encoder, buf, bufLen);
  if (tStartEncode(&encoder) < 0) {
    return -1;
  }

  if (tEncodeU32(&encoder, pMsg->bytes) < 0) {
    return -1;
  }
  if (tEncodeI32(&encoder, pMsg->vgId) < 0) {
    return -1;
  }
  if (tEncodeU32(&encoder, pMsg->msgType) < 0) {
    return -1;
  }
  if (tEncodeU64(&encoder, pMsg->srcId.addr) < 0) {
    return -1;
  }
  if (tEncodeI32(&encoder, pMsg->srcId.vgId) < 0) {
    return -1;
  }
  if (tEncodeU64(&encoder, pMsg->destId.addr) < 0) {
    return -1;
  }
  if (tEncodeI32(&encoder, pMsg->destId.vgId) < 0) {
    return -1;
  }
  if (tEncodeU32(&encoder, pMsg->dataLen) < 0) {
    return -1;
  }
  if (tEncodeBinary(&encoder, pMsg->data, pMsg->dataLen)) {
    return -1;
  }

  tEndEncode(&encoder);
  int32_t tlen = encoder.pos;
  tEncoderClear(&encoder);
  return tlen;
}

SyncPing* syncPingDeserialize3(void* buf, int32_t bufLen) {
  SDecoder decoder = {0};
  tDecoderInit(&decoder, buf, bufLen);
  if (tStartDecode(&decoder) < 0) {
    return NULL;
  }

  SyncPing* pMsg = NULL;
  uint32_t  bytes;
  if (tDecodeU32(&decoder, &bytes) < 0) {
    return NULL;
  }

  pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  pMsg->bytes = bytes;

  if (tDecodeI32(&decoder, &pMsg->vgId) < 0) {
    return NULL;
  }
  if (tDecodeU32(&decoder, &pMsg->msgType) < 0) {
    return NULL;
  }
  if (tDecodeU64(&decoder, &pMsg->srcId.addr) < 0) {
    return NULL;
  }
  if (tDecodeI32(&decoder, &pMsg->srcId.vgId) < 0) {
    return NULL;
  }
  if (tDecodeU64(&decoder, &pMsg->destId.addr) < 0) {
    return NULL;
  }
  if (tDecodeI32(&decoder, &pMsg->destId.vgId) < 0) {
    return NULL;
  }
  if (tDecodeU32(&decoder, &pMsg->dataLen) < 0) {
    return NULL;
  }
  uint32_t len;
  char*    data = NULL;
  if (tDecodeBinary(&decoder, (uint8_t**)(&data), &len) < 0) {
    return NULL;
  }
  assert(len = pMsg->dataLen);
  memcpy(pMsg->data, data, len);

  tEndDecode(&decoder);
  tDecoderClear(&decoder);
  return pMsg;
}

void syncPing2RpcMsg(const SyncPing* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncPingSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncPingFromRpcMsg(const SRpcMsg* pRpcMsg, SyncPing* pMsg) {
  syncPingDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncPing* syncPingFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncPing* pMsg = syncPingDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncPing2Json(const SyncPing* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->destId.addr);
    cJSON_AddStringToObject(pDestId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    cJSON_AddNumberToObject(pRoot, "dataLen", pMsg->dataLen);
    char* s;
    s = syncUtilprintBin((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data2", s);
    taosMemoryFree(s);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncPing", pRoot);
  return pJson;
}

char* syncPing2Str(const SyncPing* pMsg) {
  cJSON* pJson = syncPing2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncPingPrint(const SyncPing* pMsg) {
  char* serialized = syncPing2Str(pMsg);
  printf("syncPingPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncPingPrint2(char* s, const SyncPing* pMsg) {
  char* serialized = syncPing2Str(pMsg);
  printf("syncPingPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncPingLog(const SyncPing* pMsg) {
  char* serialized = syncPing2Str(pMsg);
  sTrace("syncPingLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncPingLog2(char* s, const SyncPing* pMsg) {
  char* serialized = syncPing2Str(pMsg);
  sTrace("syncPingLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncPingReply----
SyncPingReply* syncPingReplyBuild(uint32_t dataLen) {
  uint32_t       bytes = sizeof(SyncPingReply) + dataLen;
  SyncPingReply* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->msgType = TDMT_VND_SYNC_PING_REPLY;
  pMsg->dataLen = dataLen;
  return pMsg;
}

SyncPingReply* syncPingReplyBuild2(const SRaftId* srcId, const SRaftId* destId, int32_t vgId, const char* str) {
  uint32_t       dataLen = strlen(str) + 1;
  SyncPingReply* pMsg = syncPingReplyBuild(dataLen);
  pMsg->vgId = vgId;
  pMsg->srcId = *srcId;
  pMsg->destId = *destId;
  snprintf(pMsg->data, pMsg->dataLen, "%s", str);
  return pMsg;
}

SyncPingReply* syncPingReplyBuild3(const SRaftId* srcId, const SRaftId* destId, int32_t vgId) {
  SyncPingReply* pMsg = syncPingReplyBuild2(srcId, destId, vgId, "pang");
  return pMsg;
}

void syncPingReplyDestroy(SyncPingReply* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncPingReplySerialize(const SyncPingReply* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncPingReplyDeserialize(const char* buf, uint32_t len, SyncPingReply* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
  assert(pMsg->bytes == sizeof(SyncPing) + pMsg->dataLen);
}

char* syncPingReplySerialize2(const SyncPingReply* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncPingReplySerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncPingReply* syncPingReplyDeserialize2(const char* buf, uint32_t len) {
  uint32_t       bytes = *((uint32_t*)buf);
  SyncPingReply* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncPingReplyDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

int32_t syncPingReplySerialize3(const SyncPingReply* pMsg, char* buf, int32_t bufLen) {
  SEncoder encoder = {0};
  tEncoderInit(&encoder, buf, bufLen);
  if (tStartEncode(&encoder) < 0) {
    return -1;
  }

  if (tEncodeU32(&encoder, pMsg->bytes) < 0) {
    return -1;
  }
  if (tEncodeI32(&encoder, pMsg->vgId) < 0) {
    return -1;
  }
  if (tEncodeU32(&encoder, pMsg->msgType) < 0) {
    return -1;
  }
  if (tEncodeU64(&encoder, pMsg->srcId.addr) < 0) {
    return -1;
  }
  if (tEncodeI32(&encoder, pMsg->srcId.vgId) < 0) {
    return -1;
  }
  if (tEncodeU64(&encoder, pMsg->destId.addr) < 0) {
    return -1;
  }
  if (tEncodeI32(&encoder, pMsg->destId.vgId) < 0) {
    return -1;
  }
  if (tEncodeU32(&encoder, pMsg->dataLen) < 0) {
    return -1;
  }
  if (tEncodeBinary(&encoder, pMsg->data, pMsg->dataLen)) {
    return -1;
  }

  tEndEncode(&encoder);
  int32_t tlen = encoder.pos;
  tEncoderClear(&encoder);
  return tlen;
}

SyncPingReply* syncPingReplyDeserialize3(void* buf, int32_t bufLen) {
  SDecoder decoder = {0};
  tDecoderInit(&decoder, buf, bufLen);
  if (tStartDecode(&decoder) < 0) {
    return NULL;
  }

  SyncPingReply* pMsg = NULL;
  uint32_t       bytes;
  if (tDecodeU32(&decoder, &bytes) < 0) {
    return NULL;
  }

  pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  pMsg->bytes = bytes;

  if (tDecodeI32(&decoder, &pMsg->vgId) < 0) {
    return NULL;
  }
  if (tDecodeU32(&decoder, &pMsg->msgType) < 0) {
    return NULL;
  }
  if (tDecodeU64(&decoder, &pMsg->srcId.addr) < 0) {
    return NULL;
  }
  if (tDecodeI32(&decoder, &pMsg->srcId.vgId) < 0) {
    return NULL;
  }
  if (tDecodeU64(&decoder, &pMsg->destId.addr) < 0) {
    return NULL;
  }
  if (tDecodeI32(&decoder, &pMsg->destId.vgId) < 0) {
    return NULL;
  }
  if (tDecodeU32(&decoder, &pMsg->dataLen) < 0) {
    return NULL;
  }
  uint32_t len;
  char*    data = NULL;
  if (tDecodeBinary(&decoder, (uint8_t**)(&data), &len) < 0) {
    return NULL;
  }
  assert(len = pMsg->dataLen);
  memcpy(pMsg->data, data, len);

  tEndDecode(&decoder);
  tDecoderClear(&decoder);
  return pMsg;
}

void syncPingReply2RpcMsg(const SyncPingReply* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncPingReplySerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncPingReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncPingReply* pMsg) {
  syncPingReplyDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncPingReply* syncPingReplyFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncPingReply* pMsg = syncPingReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncPingReply2Json(const SyncPingReply* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->destId.addr);
    cJSON_AddStringToObject(pDestId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    cJSON_AddNumberToObject(pRoot, "dataLen", pMsg->dataLen);
    char* s;
    s = syncUtilprintBin((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data2", s);
    taosMemoryFree(s);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncPingReply", pRoot);
  return pJson;
}

char* syncPingReply2Str(const SyncPingReply* pMsg) {
  cJSON* pJson = syncPingReply2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncPingReplyPrint(const SyncPingReply* pMsg) {
  char* serialized = syncPingReply2Str(pMsg);
  printf("syncPingReplyPrint | len:%zu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncPingReplyPrint2(char* s, const SyncPingReply* pMsg) {
  char* serialized = syncPingReply2Str(pMsg);
  printf("syncPingReplyPrint2 | len:%zu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncPingReplyLog(const SyncPingReply* pMsg) {
  char* serialized = syncPingReply2Str(pMsg);
  sTrace("syncPingReplyLog | len:%zu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncPingReplyLog2(char* s, const SyncPingReply* pMsg) {
  char* serialized = syncPingReply2Str(pMsg);
  sTrace("syncPingReplyLog2 | len:%zu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncClientRequest----
SyncClientRequest* syncClientRequestBuild(uint32_t dataLen) {
  uint32_t           bytes = sizeof(SyncClientRequest) + dataLen;
  SyncClientRequest* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->msgType = TDMT_VND_SYNC_CLIENT_REQUEST;
  pMsg->seqNum = 0;
  pMsg->isWeak = false;
  pMsg->dataLen = dataLen;
  return pMsg;
}

// step 1. original SRpcMsg => SyncClientRequest, add seqNum, isWeak
SyncClientRequest* syncClientRequestBuild2(const SRpcMsg* pOriginalRpcMsg, uint64_t seqNum, bool isWeak, int32_t vgId) {
  SyncClientRequest* pMsg = syncClientRequestBuild(pOriginalRpcMsg->contLen);
  pMsg->vgId = vgId;
  pMsg->originalRpcType = pOriginalRpcMsg->msgType;
  pMsg->seqNum = seqNum;
  pMsg->isWeak = isWeak;
  memcpy(pMsg->data, pOriginalRpcMsg->pCont, pOriginalRpcMsg->contLen);
  return pMsg;
}

void syncClientRequestDestroy(SyncClientRequest* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncClientRequestSerialize(const SyncClientRequest* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncClientRequestDeserialize(const char* buf, uint32_t len, SyncClientRequest* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
}

char* syncClientRequestSerialize2(const SyncClientRequest* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncClientRequestSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncClientRequest* syncClientRequestDeserialize2(const char* buf, uint32_t len) {
  uint32_t           bytes = *((uint32_t*)buf);
  SyncClientRequest* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncClientRequestDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

// step 2. SyncClientRequest => RpcMsg, to queue
void syncClientRequest2RpcMsg(const SyncClientRequest* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncClientRequestSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncClientRequestFromRpcMsg(const SRpcMsg* pRpcMsg, SyncClientRequest* pMsg) {
  syncClientRequestDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

// step 3. RpcMsg => SyncClientRequest, from queue
SyncClientRequest* syncClientRequestFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncClientRequest* pMsg = syncClientRequestDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncClientRequest2Json(const SyncClientRequest* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);
    cJSON_AddNumberToObject(pRoot, "originalRpcType", pMsg->originalRpcType);
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->seqNum);
    cJSON_AddStringToObject(pRoot, "seqNum", u64buf);
    cJSON_AddNumberToObject(pRoot, "isWeak", pMsg->isWeak);
    cJSON_AddNumberToObject(pRoot, "dataLen", pMsg->dataLen);

    char* s;
    s = syncUtilprintBin((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data2", s);
    taosMemoryFree(s);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncClientRequest", pRoot);
  return pJson;
}

char* syncClientRequest2Str(const SyncClientRequest* pMsg) {
  cJSON* pJson = syncClientRequest2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncClientRequestPrint(const SyncClientRequest* pMsg) {
  char* serialized = syncClientRequest2Str(pMsg);
  printf("syncClientRequestPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncClientRequestPrint2(char* s, const SyncClientRequest* pMsg) {
  char* serialized = syncClientRequest2Str(pMsg);
  printf("syncClientRequestPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncClientRequestLog(const SyncClientRequest* pMsg) {
  char* serialized = syncClientRequest2Str(pMsg);
  sTrace("syncClientRequestLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncClientRequestLog2(char* s, const SyncClientRequest* pMsg) {
  char* serialized = syncClientRequest2Str(pMsg);
  sTrace("syncClientRequestLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncRequestVote----
SyncRequestVote* syncRequestVoteBuild(int32_t vgId) {
  uint32_t         bytes = sizeof(SyncRequestVote);
  SyncRequestVote* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->vgId = vgId;
  pMsg->msgType = TDMT_VND_SYNC_REQUEST_VOTE;
  return pMsg;
}

void syncRequestVoteDestroy(SyncRequestVote* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncRequestVoteSerialize(const SyncRequestVote* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncRequestVoteDeserialize(const char* buf, uint32_t len, SyncRequestVote* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
}

char* syncRequestVoteSerialize2(const SyncRequestVote* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncRequestVoteSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncRequestVote* syncRequestVoteDeserialize2(const char* buf, uint32_t len) {
  uint32_t         bytes = *((uint32_t*)buf);
  SyncRequestVote* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncRequestVoteDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

void syncRequestVote2RpcMsg(const SyncRequestVote* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncRequestVoteSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncRequestVoteFromRpcMsg(const SRpcMsg* pRpcMsg, SyncRequestVote* pMsg) {
  syncRequestVoteDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncRequestVote* syncRequestVoteFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncRequestVote* pMsg = syncRequestVoteDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncRequestVote2Json(const SyncRequestVote* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    cJSON_AddNumberToObject(pDestId, "addr", pMsg->destId.addr);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->term);
    cJSON_AddStringToObject(pRoot, "term", u64buf);
    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->lastLogIndex);
    cJSON_AddStringToObject(pRoot, "lastLogIndex", u64buf);
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->lastLogTerm);
    cJSON_AddStringToObject(pRoot, "lastLogTerm", u64buf);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncRequestVote", pRoot);
  return pJson;
}

char* syncRequestVote2Str(const SyncRequestVote* pMsg) {
  cJSON* pJson = syncRequestVote2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncRequestVotePrint(const SyncRequestVote* pMsg) {
  char* serialized = syncRequestVote2Str(pMsg);
  printf("syncRequestVotePrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncRequestVotePrint2(char* s, const SyncRequestVote* pMsg) {
  char* serialized = syncRequestVote2Str(pMsg);
  printf("syncRequestVotePrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncRequestVoteLog(const SyncRequestVote* pMsg) {
  char* serialized = syncRequestVote2Str(pMsg);
  sTrace("syncRequestVoteLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncRequestVoteLog2(char* s, const SyncRequestVote* pMsg) {
  char* serialized = syncRequestVote2Str(pMsg);
  sTrace("syncRequestVoteLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncRequestVoteReply----
SyncRequestVoteReply* syncRequestVoteReplyBuild(int32_t vgId) {
  uint32_t              bytes = sizeof(SyncRequestVoteReply);
  SyncRequestVoteReply* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->vgId = vgId;
  pMsg->msgType = TDMT_VND_SYNC_REQUEST_VOTE_REPLY;
  return pMsg;
}

void syncRequestVoteReplyDestroy(SyncRequestVoteReply* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncRequestVoteReplySerialize(const SyncRequestVoteReply* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncRequestVoteReplyDeserialize(const char* buf, uint32_t len, SyncRequestVoteReply* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
}

char* syncRequestVoteReplySerialize2(const SyncRequestVoteReply* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncRequestVoteReplySerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncRequestVoteReply* syncRequestVoteReplyDeserialize2(const char* buf, uint32_t len) {
  uint32_t              bytes = *((uint32_t*)buf);
  SyncRequestVoteReply* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncRequestVoteReplyDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

void syncRequestVoteReply2RpcMsg(const SyncRequestVoteReply* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncRequestVoteReplySerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncRequestVoteReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncRequestVoteReply* pMsg) {
  syncRequestVoteReplyDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncRequestVoteReply* syncRequestVoteReplyFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncRequestVoteReply* pMsg = syncRequestVoteReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncRequestVoteReply2Json(const SyncRequestVoteReply* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    cJSON_AddNumberToObject(pDestId, "addr", pMsg->destId.addr);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->term);
    cJSON_AddStringToObject(pRoot, "term", u64buf);
    cJSON_AddNumberToObject(pRoot, "vote_granted", pMsg->voteGranted);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncRequestVoteReply", pRoot);
  return pJson;
}

char* syncRequestVoteReply2Str(const SyncRequestVoteReply* pMsg) {
  cJSON* pJson = syncRequestVoteReply2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncRequestVoteReplyPrint(const SyncRequestVoteReply* pMsg) {
  char* serialized = syncRequestVoteReply2Str(pMsg);
  printf("syncRequestVoteReplyPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncRequestVoteReplyPrint2(char* s, const SyncRequestVoteReply* pMsg) {
  char* serialized = syncRequestVoteReply2Str(pMsg);
  printf("syncRequestVoteReplyPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncRequestVoteReplyLog(const SyncRequestVoteReply* pMsg) {
  char* serialized = syncRequestVoteReply2Str(pMsg);
  sTrace("syncRequestVoteReplyLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncRequestVoteReplyLog2(char* s, const SyncRequestVoteReply* pMsg) {
  char* serialized = syncRequestVoteReply2Str(pMsg);
  sTrace("syncRequestVoteReplyLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncAppendEntries----
SyncAppendEntries* syncAppendEntriesBuild(uint32_t dataLen, int32_t vgId) {
  uint32_t           bytes = sizeof(SyncAppendEntries) + dataLen;
  SyncAppendEntries* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->vgId = vgId;
  pMsg->msgType = TDMT_VND_SYNC_APPEND_ENTRIES;
  pMsg->dataLen = dataLen;
  return pMsg;
}

void syncAppendEntriesDestroy(SyncAppendEntries* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncAppendEntriesSerialize(const SyncAppendEntries* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncAppendEntriesDeserialize(const char* buf, uint32_t len, SyncAppendEntries* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
  assert(pMsg->bytes == sizeof(SyncAppendEntries) + pMsg->dataLen);
}

char* syncAppendEntriesSerialize2(const SyncAppendEntries* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncAppendEntriesSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncAppendEntries* syncAppendEntriesDeserialize2(const char* buf, uint32_t len) {
  uint32_t           bytes = *((uint32_t*)buf);
  SyncAppendEntries* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncAppendEntriesDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

void syncAppendEntries2RpcMsg(const SyncAppendEntries* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncAppendEntriesSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncAppendEntriesFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntries* pMsg) {
  syncAppendEntriesDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncAppendEntries* syncAppendEntriesFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncAppendEntries* pMsg = syncAppendEntriesDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncAppendEntries2Json(const SyncAppendEntries* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->destId.addr);
    cJSON_AddStringToObject(pDestId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->term);
    cJSON_AddStringToObject(pRoot, "term", u64buf);

    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->prevLogIndex);
    cJSON_AddStringToObject(pRoot, "prevLogIndex", u64buf);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->prevLogTerm);
    cJSON_AddStringToObject(pRoot, "pre_log_term", u64buf);

    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->commitIndex);
    cJSON_AddStringToObject(pRoot, "commitIndex", u64buf);

    cJSON_AddNumberToObject(pRoot, "dataLen", pMsg->dataLen);
    char* s;
    s = syncUtilprintBin((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data2", s);
    taosMemoryFree(s);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncAppendEntries", pRoot);
  return pJson;
}

char* syncAppendEntries2Str(const SyncAppendEntries* pMsg) {
  cJSON* pJson = syncAppendEntries2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncAppendEntriesPrint(const SyncAppendEntries* pMsg) {
  char* serialized = syncAppendEntries2Str(pMsg);
  printf("syncAppendEntriesPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncAppendEntriesPrint2(char* s, const SyncAppendEntries* pMsg) {
  char* serialized = syncAppendEntries2Str(pMsg);
  printf("syncAppendEntriesPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncAppendEntriesLog(const SyncAppendEntries* pMsg) {
  char* serialized = syncAppendEntries2Str(pMsg);
  sTrace("syncAppendEntriesLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncAppendEntriesLog2(char* s, const SyncAppendEntries* pMsg) {
  char* serialized = syncAppendEntries2Str(pMsg);
  sTrace("syncAppendEntriesLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncAppendEntriesReply----
SyncAppendEntriesReply* syncAppendEntriesReplyBuild(int32_t vgId) {
  uint32_t                bytes = sizeof(SyncAppendEntriesReply);
  SyncAppendEntriesReply* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->vgId = vgId;
  pMsg->msgType = TDMT_VND_SYNC_APPEND_ENTRIES_REPLY;
  return pMsg;
}

void syncAppendEntriesReplyDestroy(SyncAppendEntriesReply* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncAppendEntriesReplySerialize(const SyncAppendEntriesReply* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncAppendEntriesReplyDeserialize(const char* buf, uint32_t len, SyncAppendEntriesReply* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
}

char* syncAppendEntriesReplySerialize2(const SyncAppendEntriesReply* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncAppendEntriesReplySerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncAppendEntriesReply* syncAppendEntriesReplyDeserialize2(const char* buf, uint32_t len) {
  uint32_t                bytes = *((uint32_t*)buf);
  SyncAppendEntriesReply* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncAppendEntriesReplyDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

void syncAppendEntriesReply2RpcMsg(const SyncAppendEntriesReply* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncAppendEntriesReplySerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncAppendEntriesReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntriesReply* pMsg) {
  syncAppendEntriesReplyDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncAppendEntriesReply* syncAppendEntriesReplyFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncAppendEntriesReply* pMsg = syncAppendEntriesReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncAppendEntriesReply2Json(const SyncAppendEntriesReply* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->destId.addr);
    cJSON_AddStringToObject(pDestId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128] = {0};
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->term);
    cJSON_AddStringToObject(pRoot, "term", u64buf);
    cJSON_AddNumberToObject(pRoot, "success", pMsg->success);
    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->matchIndex);
    cJSON_AddStringToObject(pRoot, "matchIndex", u64buf);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncAppendEntriesReply", pRoot);
  return pJson;
}

char* syncAppendEntriesReply2Str(const SyncAppendEntriesReply* pMsg) {
  cJSON* pJson = syncAppendEntriesReply2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncAppendEntriesReplyPrint(const SyncAppendEntriesReply* pMsg) {
  char* serialized = syncAppendEntriesReply2Str(pMsg);
  printf("syncAppendEntriesReplyPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncAppendEntriesReplyPrint2(char* s, const SyncAppendEntriesReply* pMsg) {
  char* serialized = syncAppendEntriesReply2Str(pMsg);
  printf("syncAppendEntriesReplyPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncAppendEntriesReplyLog(const SyncAppendEntriesReply* pMsg) {
  char* serialized = syncAppendEntriesReply2Str(pMsg);
  sTrace("syncAppendEntriesReplyLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncAppendEntriesReplyLog2(char* s, const SyncAppendEntriesReply* pMsg) {
  char* serialized = syncAppendEntriesReply2Str(pMsg);
  sTrace("syncAppendEntriesReplyLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---- message process SyncApplyMsg----
SyncApplyMsg* syncApplyMsgBuild(uint32_t dataLen) {
  uint32_t      bytes = sizeof(SyncApplyMsg) + dataLen;
  SyncApplyMsg* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->msgType = TDMT_VND_SYNC_APPLY_MSG;
  pMsg->dataLen = dataLen;
  return pMsg;
}

SyncApplyMsg* syncApplyMsgBuild2(const SRpcMsg* pOriginalRpcMsg, int32_t vgId, SFsmCbMeta* pMeta) {
  SyncApplyMsg* pMsg = syncApplyMsgBuild(pOriginalRpcMsg->contLen);
  pMsg->vgId = vgId;
  pMsg->originalRpcType = pOriginalRpcMsg->msgType;
  pMsg->fsmMeta = *pMeta;
  memcpy(pMsg->data, pOriginalRpcMsg->pCont, pOriginalRpcMsg->contLen);
  return pMsg;
}

void syncApplyMsgDestroy(SyncApplyMsg* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncApplyMsgSerialize(const SyncApplyMsg* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncApplyMsgDeserialize(const char* buf, uint32_t len, SyncApplyMsg* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
}

char* syncApplyMsgSerialize2(const SyncApplyMsg* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncApplyMsgSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncApplyMsg* syncApplyMsgDeserialize2(const char* buf, uint32_t len) {
  uint32_t      bytes = *((uint32_t*)buf);
  SyncApplyMsg* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncApplyMsgDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

// SyncApplyMsg to SRpcMsg, put it into ApplyQ
void syncApplyMsg2RpcMsg(const SyncApplyMsg* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncApplyMsgSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

// get SRpcMsg from ApplyQ, to SyncApplyMsg
void syncApplyMsgFromRpcMsg(const SRpcMsg* pRpcMsg, SyncApplyMsg* pMsg) {
  syncApplyMsgDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncApplyMsg* syncApplyMsgFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncApplyMsg* pMsg = syncApplyMsgDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  return pMsg;
}

// SyncApplyMsg to OriginalRpcMsg
void syncApplyMsg2OriginalRpcMsg(const SyncApplyMsg* pMsg, SRpcMsg* pOriginalRpcMsg) {
  memset(pOriginalRpcMsg, 0, sizeof(*pOriginalRpcMsg));
  pOriginalRpcMsg->msgType = pMsg->originalRpcType;
  pOriginalRpcMsg->contLen = pMsg->dataLen;
  pOriginalRpcMsg->pCont = rpcMallocCont(pOriginalRpcMsg->contLen);
  memcpy(pOriginalRpcMsg->pCont, pMsg->data, pOriginalRpcMsg->contLen);
}

cJSON* syncApplyMsg2Json(const SyncApplyMsg* pMsg) {
  char   u64buf[128] = {0};
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);
    cJSON_AddNumberToObject(pRoot, "originalRpcType", pMsg->originalRpcType);

    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->fsmMeta.index);
    cJSON_AddStringToObject(pRoot, "fsmMeta.index", u64buf);
    cJSON_AddNumberToObject(pRoot, "fsmMeta.isWeak", pMsg->fsmMeta.isWeak);
    cJSON_AddNumberToObject(pRoot, "fsmMeta.code", pMsg->fsmMeta.code);
    cJSON_AddNumberToObject(pRoot, "fsmMeta.state", pMsg->fsmMeta.state);
    cJSON_AddStringToObject(pRoot, "fsmMeta.state.str", syncUtilState2String(pMsg->fsmMeta.state));
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->fsmMeta.seqNum);
    cJSON_AddStringToObject(pRoot, "fsmMeta.seqNum", u64buf);

    cJSON_AddNumberToObject(pRoot, "dataLen", pMsg->dataLen);
    char* s;
    s = syncUtilprintBin((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data2", s);
    taosMemoryFree(s);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncApplyMsg", pRoot);
  return pJson;
}

char* syncApplyMsg2Str(const SyncApplyMsg* pMsg) {
  cJSON* pJson = syncApplyMsg2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncApplyMsgPrint(const SyncApplyMsg* pMsg) {
  char* serialized = syncApplyMsg2Str(pMsg);
  printf("syncApplyMsgPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncApplyMsgPrint2(char* s, const SyncApplyMsg* pMsg) {
  char* serialized = syncApplyMsg2Str(pMsg);
  printf("syncApplyMsgPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncApplyMsgLog(const SyncApplyMsg* pMsg) {
  char* serialized = syncApplyMsg2Str(pMsg);
  sTrace("ssyncApplyMsgLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncApplyMsgLog2(char* s, const SyncApplyMsg* pMsg) {
  char* serialized = syncApplyMsg2Str(pMsg);
  sTrace("syncApplyMsgLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---------------------------------------------
SyncSnapshotSend* syncSnapshotSendBuild(uint32_t dataLen, int32_t vgId) {
  uint32_t          bytes = sizeof(SyncSnapshotSend) + dataLen;
  SyncSnapshotSend* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->vgId = vgId;
  pMsg->msgType = TDMT_VND_SYNC_SNAPSHOT_SEND;
  pMsg->dataLen = dataLen;
  return pMsg;
}

void syncSnapshotSendDestroy(SyncSnapshotSend* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncSnapshotSendSerialize(const SyncSnapshotSend* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncSnapshotSendDeserialize(const char* buf, uint32_t len, SyncSnapshotSend* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
  assert(pMsg->bytes == sizeof(SyncSnapshotSend) + pMsg->dataLen);
}

char* syncSnapshotSendSerialize2(const SyncSnapshotSend* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncSnapshotSendSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncSnapshotSend* syncSnapshotSendDeserialize2(const char* buf, uint32_t len) {
  uint32_t          bytes = *((uint32_t*)buf);
  SyncSnapshotSend* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncSnapshotSendDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

void syncSnapshotSend2RpcMsg(const SyncSnapshotSend* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncSnapshotSendSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncSnapshotSendFromRpcMsg(const SRpcMsg* pRpcMsg, SyncSnapshotSend* pMsg) {
  syncSnapshotSendDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncSnapshotSend* syncSnapshotSendFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncSnapshotSend* pMsg = syncSnapshotSendDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncSnapshotSend2Json(const SyncSnapshotSend* pMsg) {
  char   u64buf[128];
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128];
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->destId.addr);
    cJSON_AddStringToObject(pDestId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128];
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->term);
    cJSON_AddStringToObject(pRoot, "term", u64buf);

    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->lastIndex);
    cJSON_AddStringToObject(pRoot, "lastIndex", u64buf);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->lastTerm);
    cJSON_AddStringToObject(pRoot, "lastTerm", u64buf);

    cJSON_AddNumberToObject(pRoot, "seq", pMsg->seq);

    cJSON_AddNumberToObject(pRoot, "dataLen", pMsg->dataLen);
    char* s;
    s = syncUtilprintBin((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data", s);
    taosMemoryFree(s);
    s = syncUtilprintBin2((char*)(pMsg->data), pMsg->dataLen);
    cJSON_AddStringToObject(pRoot, "data2", s);
    taosMemoryFree(s);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncSnapshotSend", pRoot);
  return pJson;
}

char* syncSnapshotSend2Str(const SyncSnapshotSend* pMsg) {
  cJSON* pJson = syncSnapshotSend2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncSnapshotSendPrint(const SyncSnapshotSend* pMsg) {
  char* serialized = syncSnapshotSend2Str(pMsg);
  printf("syncSnapshotSendPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncSnapshotSendPrint2(char* s, const SyncSnapshotSend* pMsg) {
  char* serialized = syncSnapshotSend2Str(pMsg);
  printf("syncSnapshotSendPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncSnapshotSendLog(const SyncSnapshotSend* pMsg) {
  char* serialized = syncSnapshotSend2Str(pMsg);
  sTrace("syncSnapshotSendLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncSnapshotSendLog2(char* s, const SyncSnapshotSend* pMsg) {
  char* serialized = syncSnapshotSend2Str(pMsg);
  sTrace("syncSnapshotSendLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}

// ---------------------------------------------
SyncSnapshotRsp* syncSnapshotRspBuild(int32_t vgId) {
  uint32_t         bytes = sizeof(SyncSnapshotRsp);
  SyncSnapshotRsp* pMsg = taosMemoryMalloc(bytes);
  memset(pMsg, 0, bytes);
  pMsg->bytes = bytes;
  pMsg->vgId = vgId;
  pMsg->msgType = TDMT_VND_SYNC_SNAPSHOT_RSP;
  return pMsg;
}

void syncSnapshotRspDestroy(SyncSnapshotRsp* pMsg) {
  if (pMsg != NULL) {
    taosMemoryFree(pMsg);
  }
}

void syncSnapshotRspSerialize(const SyncSnapshotRsp* pMsg, char* buf, uint32_t bufLen) {
  assert(pMsg->bytes <= bufLen);
  memcpy(buf, pMsg, pMsg->bytes);
}

void syncSnapshotRspDeserialize(const char* buf, uint32_t len, SyncSnapshotRsp* pMsg) {
  memcpy(pMsg, buf, len);
  assert(len == pMsg->bytes);
}

char* syncSnapshotRspSerialize2(const SyncSnapshotRsp* pMsg, uint32_t* len) {
  char* buf = taosMemoryMalloc(pMsg->bytes);
  assert(buf != NULL);
  syncSnapshotRspSerialize(pMsg, buf, pMsg->bytes);
  if (len != NULL) {
    *len = pMsg->bytes;
  }
  return buf;
}

SyncSnapshotRsp* syncSnapshotRspDeserialize2(const char* buf, uint32_t len) {
  uint32_t         bytes = *((uint32_t*)buf);
  SyncSnapshotRsp* pMsg = taosMemoryMalloc(bytes);
  assert(pMsg != NULL);
  syncSnapshotRspDeserialize(buf, len, pMsg);
  assert(len == pMsg->bytes);
  return pMsg;
}

void syncSnapshotRsp2RpcMsg(const SyncSnapshotRsp* pMsg, SRpcMsg* pRpcMsg) {
  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
  pRpcMsg->msgType = pMsg->msgType;
  pRpcMsg->contLen = pMsg->bytes;
  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
  syncSnapshotRspSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
}

void syncSnapshotRspFromRpcMsg(const SRpcMsg* pRpcMsg, SyncSnapshotRsp* pMsg) {
  syncSnapshotRspDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
}

SyncSnapshotRsp* syncSnapshotRspFromRpcMsg2(const SRpcMsg* pRpcMsg) {
  SyncSnapshotRsp* pMsg = syncSnapshotRspDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
  assert(pMsg != NULL);
  return pMsg;
}

cJSON* syncSnapshotRsp2Json(const SyncSnapshotRsp* pMsg) {
  char   u64buf[128];
  cJSON* pRoot = cJSON_CreateObject();

  if (pMsg != NULL) {
    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);

    cJSON* pSrcId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->srcId.addr;
      cJSON*   pTmp = pSrcId;
      char     host[128];
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);

    cJSON* pDestId = cJSON_CreateObject();
    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->destId.addr);
    cJSON_AddStringToObject(pDestId, "addr", u64buf);
    {
      uint64_t u64 = pMsg->destId.addr;
      cJSON*   pTmp = pDestId;
      char     host[128];
      uint16_t port;
      syncUtilU642Addr(u64, host, sizeof(host), &port);
      cJSON_AddStringToObject(pTmp, "addr_host", host);
      cJSON_AddNumberToObject(pTmp, "addr_port", port);
    }
    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
    cJSON_AddItemToObject(pRoot, "destId", pDestId);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->term);
    cJSON_AddStringToObject(pRoot, "term", u64buf);

    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->lastIndex);
    cJSON_AddStringToObject(pRoot, "lastIndex", u64buf);

    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->lastTerm);
    cJSON_AddStringToObject(pRoot, "lastTerm", u64buf);

    cJSON_AddNumberToObject(pRoot, "ack", pMsg->ack);
  }

  cJSON* pJson = cJSON_CreateObject();
  cJSON_AddItemToObject(pJson, "SyncSnapshotRsp", pRoot);
  return pJson;
}

char* syncSnapshotRsp2Str(const SyncSnapshotRsp* pMsg) {
  cJSON* pJson = syncSnapshotRsp2Json(pMsg);
  char*  serialized = cJSON_Print(pJson);
  cJSON_Delete(pJson);
  return serialized;
}

// for debug ----------------------
void syncSnapshotRspPrint(const SyncSnapshotRsp* pMsg) {
  char* serialized = syncSnapshotRsp2Str(pMsg);
  printf("syncSnapshotRspPrint | len:%lu | %s \n", strlen(serialized), serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncSnapshotRspPrint2(char* s, const SyncSnapshotRsp* pMsg) {
  char* serialized = syncSnapshotRsp2Str(pMsg);
  printf("syncSnapshotRspPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
  fflush(NULL);
  taosMemoryFree(serialized);
}

void syncSnapshotRspLog(const SyncSnapshotRsp* pMsg) {
  char* serialized = syncSnapshotRsp2Str(pMsg);
  sTrace("syncSnapshotRspLog | len:%lu | %s", strlen(serialized), serialized);
  taosMemoryFree(serialized);
}

void syncSnapshotRspLog2(char* s, const SyncSnapshotRsp* pMsg) {
  char* serialized = syncSnapshotRsp2Str(pMsg);
  sTrace("syncSnapshotRspLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
  taosMemoryFree(serialized);
}