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1 /*
2  * Copyright (c) 2021-2022 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 COMMON_UTILITIES_HPP
17 #define COMMON_UTILITIES_HPP
18 
19 #include <array>
20 #include <chrono>
21 #include <string_view>
22 #include "nlohmann/json.hpp"
23 
24 #ifdef __OHOS__
25 #include "hilog/log.h"
26 #endif
27 
28 #define FORCE_INLINE __attribute__((always_inline)) inline
29 
30 namespace OHOS::uitest {
31     using CStr = const char *;
32     constexpr size_t INDEX_ZERO = 0;
33     constexpr size_t INDEX_ONE = 1;
34     constexpr size_t INDEX_TWO = 2;
35     constexpr size_t INDEX_THREE = 3;
36     constexpr size_t INDEX_FOUR = 4;
37     constexpr size_t INDEX_FIVE = 5;
38     constexpr size_t INDEX_SIX = 6;
39     constexpr size_t INDEX_SEVEN = 7;
40     constexpr size_t INDEX_EIGHT = 8;
41     constexpr size_t INDEX_NINE = 9;
42     constexpr int32_t ZERO = 0;
43     constexpr int32_t ONE = 1;
44     constexpr int32_t TWO = 2;
45     constexpr int32_t THREE = 3;
46     constexpr int32_t FOUR = 4;
47     constexpr int32_t FIVE = 5;
48     constexpr int32_t SIX = 6;
49     constexpr int32_t SEVEN = 7;
50     constexpr int32_t EIGHT = 8;
51     constexpr int32_t UNASSIGNED = -1;
52     constexpr int32_t VIRTUAL_DISPLAY_ID = 999;
53 
54     /**Get current time millisecond.*/
GetCurrentMillisecond()55     inline uint64_t GetCurrentMillisecond()
56     {
57         using namespace std::chrono;
58         return time_point_cast<milliseconds>(steady_clock::now()).time_since_epoch().count();
59     }
60 
61     /**Get current time microseconds.*/
GetCurrentMicroseconds()62     inline uint64_t GetCurrentMicroseconds()
63     {
64         using namespace std::chrono;
65         return time_point_cast<microseconds>(steady_clock::now()).time_since_epoch().count();
66     }
67 
ReadArgFromJson(const nlohmann::json & json,const std::string arg,const T defValue)68     template <typename T> T ReadArgFromJson(const nlohmann::json &json, const std::string arg, const T defValue)
69     {
70         if (json.type() == nlohmann::detail::value_t::object && json.contains(arg)) {
71             nlohmann::json val = json[arg];
72             return val.get<T>();
73         }
74         return defValue;
75     }
76 
77     // log tag length limit
78     constexpr uint8_t MAX_LOG_TAG_LEN = 64;
79 
80     /**Generates log-tag by fileName and lineNumber, must be 'constexpr' to ensure the efficiency of Logger.*/
GenLogTag(std::string_view fp,std::string_view func)81     constexpr std::array<char, MAX_LOG_TAG_LEN> GenLogTag(std::string_view fp, std::string_view func)
82     {
83         constexpr uint8_t MAX_CONTENT_LEN = MAX_LOG_TAG_LEN - 1;
84         std::array<char, MAX_LOG_TAG_LEN> chars = {0};
85         size_t pos = fp.find_last_of('/');
86         if (pos == std::string_view::npos) {
87             pos = 0;
88         }
89         uint8_t writeCursor = 0;
90         chars[writeCursor++] = '[';
91         for (size_t offSet = pos + 1; offSet < fp.length() && writeCursor < MAX_CONTENT_LEN; offSet++) {
92             chars[writeCursor++] = fp[offSet];
93         }
94         if (writeCursor < MAX_CONTENT_LEN) {
95             chars[writeCursor++] = ':';
96         }
97         if (writeCursor < MAX_CONTENT_LEN) {
98             chars[writeCursor++] = '(';
99         }
100         for (size_t offSet = 0; offSet < func.length() && writeCursor < MAX_CONTENT_LEN; offSet++) {
101             chars[writeCursor++] = func[offSet];
102         }
103         if (writeCursor < MAX_CONTENT_LEN) {
104             chars[writeCursor++] = ')';
105         }
106         if (writeCursor < MAX_CONTENT_LEN) {
107             chars[writeCursor++] = ']';
108         }
109         // record the actual tag-length in the end byte
110         chars[MAX_CONTENT_LEN] = writeCursor;
111         return chars;
112     }
113 
114     // log level
115     enum LogRank : uint8_t {
116         DEBUG = 3, INFO = 4, WARN = 5, ERROR = 6
117     };
118 
119 #ifdef __OHOS__
120 #ifndef LOG_TAG
121 #define LOG_TAG "UiTestKit"
122 #endif
123 #undef LOG_DOMAIN
124 #define LOG_DOMAIN 0xD003100
125 // print pretty log with pretty format, auto-generate tag by fileName and functionName at compile time
126 #define LOG(LEVEL, FMT, VARS...) do { \
127     static constexpr auto tagChars= GenLogTag(__FILE__, __FUNCTION__); \
128     static constexpr int8_t tagLen = tagChars[MAX_LOG_TAG_LEN - 1];   \
129     if constexpr (tagLen > 0) { \
130         auto tag = std::string_view(tagChars.data(), tagLen); \
131         static constexpr LogType type = LogType::LOG_CORE; \
132         HILOG_##LEVEL(type, "%{public}s " FMT, tag.data(), ##VARS); \
133     } \
134 }while (0)
135 #else
136 // nop logger
137 #define LOG(LEVEL, FMT, VARS...) do {}while (0)
138 #endif
139 
140 // print debug log
141 #define LOG_D(FMT, VARS...) LOG(DEBUG, FMT, ##VARS)
142 // print info log
143 #define LOG_I(FMT, VARS...) LOG(INFO, FMT, ##VARS)
144 // print warning log
145 #define LOG_W(FMT, VARS...) LOG(WARN, FMT, ##VARS)
146 // print error log
147 #define LOG_E(FMT, VARS...) LOG(ERROR, FMT, ##VARS)
148 }
149 
150 #define DCHECK(cond) \
151 do { \
152     if (!(cond)) { \
153         LOG_E("DCHECK FAILED, %{public}s %{public}d: %{public}s", __FILE__, __LINE__, #cond); \
154         _Exit(0); \
155     } \
156 } while (0)
157 
158 #endif