1 /* 2 * Copyright (C) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef TLV_BASE_H 17 #define TLV_BASE_H 18 19 #include <stdint.h> 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 typedef enum { 26 OPERA_SUCC = 0, 27 PARAM_ERR = 1001, 28 MALLOC_FAIL = 1002, 29 MEMCPY_ERR = 1003, 30 MEMSET_ERR = 1004, 31 OPERA_FAIL = 1005, 32 TAG_NOT_EXIST = 1006, 33 } ErrCode; 34 35 typedef struct { 36 int32_t type; 37 uint32_t length; 38 uint8_t *value; 39 } TlvType; 40 41 typedef struct { 42 TlvType *value; 43 } TlvObject; 44 45 typedef struct tagTlvListNode { 46 TlvObject data; 47 struct tagTlvListNode *next; 48 } TlvListNode; 49 50 51 typedef union { 52 uint64_t u64; 53 uint32_t u32[2]; 54 } SwapUint64; 55 56 // short convert endian 57 uint16_t Ntohs(uint16_t data); 58 59 // uint32 convert endian 60 uint32_t Ntohl(uint32_t data); 61 62 // uint64 convert endian 63 uint64_t Ntohll(uint64_t data); 64 65 TlvListNode *CreateTlvList(void); 66 int32_t DestroyTlvList(TlvListNode *list); 67 TlvType *CreateTlvType(int32_t type, uint32_t length, const void *value); 68 int32_t AddTlvNode(TlvListNode *list, const TlvObject *object); 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif // TLV_BASE_H