833     PayloadHead payloadHead = {};  // need convert to big-endian  in Send()  local
834     payloadHead.flag[0] = PACKET_FLAG.at(0);  in Send()
835     payloadHead.flag[1] = PACKET_FLAG.at(1);  in Send()
836     payloadHead.protocolVer = VER_PROTOCOL;  in Send()
837     payloadHead.headSize = htons(s.size());  in Send()
838     payloadHead.dataSize = htonl(dataSize);  in Send()
847 …if (memcpy_s(finayBuf, sizeof(PayloadHead), reinterpret_cast<uint8_t *>(&payloadHead), sizeof(Payl…  in Send()
907     struct PayloadHead *payloadHead = reinterpret_cast<struct PayloadHead *>(bufPtr);  in OnRead()  local
909     uint64_t payloadHeadSize = static_cast<uint64_t>(ntohl(payloadHead->dataSize)) +  in OnRead()
910         static_cast<uint64_t>(ntohs(payloadHead->headSize));  in OnRead()
922     if (DecryptPayload(hSession, payloadHead, bufPtr + packetHeadSize)) {  in OnRead()