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 UTIL_JS_UUID_H
17#define UTIL_JS_UUID_H
18
19#include <cstring>
20#include <iostream>
21#include <iomanip>
22#include <openssl/rand.h>
23#include <queue>
24#ifdef IOS_PLATFORM
25#include <sys/sysctl.h>
26#else
27#include <sys/sysinfo.h>
28#endif
29#include <unistd.h>
30
31#include "napi/native_api.h"
32#include "napi/native_node_api.h"
33
34namespace OHOS::Util {
35constexpr const int UUID_SIZE = 16;
36struct UUID {
37    unsigned char elements[UUID_SIZE] = {0};
38};
39
40enum ConvertFlags {
41    HEX_ZERO_FLG = 0x0,
42    HEX_ONE_FLG = 0x1,
43    HEX_TWO_FLG = 0x2,
44    HEX_THREE_FLG = 0x3,
45    HEX_FOUR_FLG = 0x4,
46    HEX_FIVE_FLG = 0x5,
47    HEX_SIX_FLG = 0x6,
48    HEX_SEVEN_FLG = 0x7,
49    HEX_EIGHT_FLG = 0x8,
50    HEX_NINE_FLG = 0x9,
51    HEX_TEN_FLG = 0xA,
52    HEX_ELEVEN_FLG = 0xB,
53    HEX_TWELVE_FLG = 0xC,
54    HEX_THIRTEEN_FLG = 0xD,
55    HEX_FOURTEEN_FLG = 0xE,
56    HEX_FIFTEEN_FLG = 0xF,
57    HEX_SIXTEEN_FLG = 0X10,
58    MAX_CACHE_MASK = 128,
59};
60
61napi_value DoParseUUID(napi_env env, napi_value src);
62napi_value GetBinaryUUID(napi_env env, bool entropyCache);
63std::string GetStringUUID(napi_env env, bool entropyCache);
64bool GenerateUUID(unsigned char *data, int32_t size);
65void ProcessUUID(unsigned char *data);
66bool GetBufferedUUID(napi_env env, UUID &uuid);
67bool GetUnBufferedUUID(napi_env env, UUID &uuid);
68bool GetUUID(napi_env env, bool entropyCache, UUID &uuid);
69std::string GetFormatUUID(const UUID &uuid);
70unsigned char CharToHex(char in);
71unsigned char ConvertBits(std::string &input);
72unsigned char HexToChar(unsigned char in);
73}
74#endif // UTIL_JS_UUID_H
75