1 /* 2 * Copyright (c) 2021 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 INIT_UTILS_H 17 #define INIT_UTILS_H 18 #include <fcntl.h> 19 #include <sys/stat.h> 20 #include <stdint.h> 21 #include <stdbool.h> 22 #include <unistd.h> 23 #include <time.h> 24 25 #include "beget_ext.h" 26 27 #ifndef STARTUP_INIT_TEST 28 #ifndef INIT_STATIC 29 #define INIT_STATIC static 30 #endif 31 #else 32 #ifndef INIT_STATIC 33 #define INIT_STATIC 34 #endif 35 #endif 36 37 #ifdef __cplusplus 38 #if __cplusplus 39 extern "C" { 40 #endif 41 #endif 42 43 typedef struct { 44 char *name; 45 int value; 46 } InitArgInfo; 47 48 #define BASE_MS_UNIT 1000 49 #define MAX_INT_LEN 20 50 #define HEX_BASE 16 51 #define BINARY_BASE 2 52 #define OCTAL_BASE 8 53 #define DECIMAL_BASE 10 54 #define WAIT_MAX_SECOND 5 55 #define MAX_BUFFER_LEN 256 56 #define CMDLINE_VALUE_LEN_MAX 512 57 #define STDERR_HANDLE 2 58 #define ARRAY_LENGTH(array) (sizeof((array)) / sizeof((array)[0])) 59 #define BOOT_CMD_LINE STARTUP_INIT_UT_PATH"/proc/cmdline" 60 61 uid_t DecodeUid(const char *name); 62 gid_t DecodeGid(const char *name); 63 char *ReadFileToBuf(const char *configFile); 64 int GetProcCmdlineValue(const char *name, const char *buffer, char *value, int length); 65 char *ReadFileData(const char *fileName); 66 67 typedef struct INIT_TIMING_STAT { 68 struct timespec startTime; 69 struct timespec endTime; 70 } INIT_TIMING_STAT; 71 72 typedef struct NameValuePair { 73 const char *name; 74 const char *nameEnd; 75 const char *value; 76 const char *valueEnd; 77 } NAME_VALUE_PAIR; 78 int IterateNameValuePairs(const char *src, void (*iterator)(const NAME_VALUE_PAIR *nv, void *context), void *context); 79 80 int SplitString(char *srcPtr, const char *del, char **dstPtr, int maxNum); 81 long long InitDiffTime(INIT_TIMING_STAT *stat); 82 void WaitForFile(const char *source, unsigned int maxSecond); 83 size_t WriteAll(int fd, const char *buffer, size_t size); 84 char *GetRealPath(const char *source); 85 int StringToInt(const char *str, int defaultValue); 86 int StringToUint(const char *name, unsigned int *value); 87 int MakeDirRecursive(const char *dir, mode_t mode); 88 void CheckAndCreateDir(const char *fileName); 89 int CheckAndCreatFile(const char *file, mode_t mode); 90 int MakeDir(const char *dir, mode_t mode); 91 int ReadFileInDir(const char *dirPath, const char *includeExt, 92 int (*processFile)(const char *fileName, void *context), void *context); 93 char **SplitStringExt(char *buffer, const char *del, int *returnCount, int maxItemCount); 94 void FreeStringVector(char **vector, int count); 95 int InUpdaterMode(void); 96 int InRescueMode(void); 97 int StringReplaceChr(char *strl, char oldChr, char newChr); 98 99 int OpenConsole(void); 100 int OpenKmsg(void); 101 void TrimTail(char *str, char c); 102 char *TrimHead(char *str, char c); 103 104 INIT_LOCAL_API uint32_t IntervalTime(struct timespec *startTime, struct timespec *endTime); 105 106 INIT_LOCAL_API int StringToULL(const char *str, unsigned long long int *out); 107 INIT_LOCAL_API int StringToLL(const char *str, long long int *out); 108 void CloseStdio(void); 109 110 int GetServiceGroupIdByPid(pid_t pid, gid_t *gids, uint32_t gidSize); 111 int GetParameterFromCmdLine(const char *paramName, char *value, size_t valueLen); 112 113 /** 114 * @brief Get string index from a string array 115 * 116 * @param strArray string array 117 * Attension: last item in the array must be NULL, for example: 118 * const char *strArray[] = { "val1", "val2", NULL } 119 * @param target string to be matched 120 * @param ignoreCase 0 means exact match, others mean ignore case 121 * @return return 0 if succeed; other values if failed. 122 */ 123 int OH_StrArrayGetIndex(const char *strArray[], const char *target, int ignoreCase); 124 125 /** 126 * @brief Get string index from a string array with extended strings 127 * 128 * @param strArray string array 129 * Attension: last item in the array must be NULL, for example: 130 * const char *strArray[] = { "val1", "val2", NULL } 131 * @param target string to be matched 132 * @param ignoreCase 0 means exact match, others mean ignore case 133 * @param extend optional extended strings array, last string must be NULL 134 * @return return 0 if succeed; other values if failed. 135 */ 136 int OH_ExtendableStrArrayGetIndex(const char *strArray[], const char *target, int ignoreCase, const char *extend[]); 137 138 /** 139 * @brief Get string dictionary from a string dictionary array 140 * 141 * @param strDict string dictionary array 142 * Attension: last item in the array must be NULL, for example: 143 * Each item must be a structure with "const char *" as the first element 144 * For example: 145 * typedef { 146 * const char *key; // First element must be "const char *" 147 * const char *value; // Arbitrary elements 148 * // Optionally add more elements 149 * } STRING_DICT_ST; 150 * @param target string to be matched 151 * @param ignoreCase 0 means exact match, others mean ignore case 152 * @return return item pointer if succeed; NULL if failed 153 * @example 154 * // Define a name-value pair as dictionary item 155 * typedef struct { 156 * const char *name; 157 * const char *value; 158 * } NAME_VALUE_ST; 159 160 * // Fill the dictionary values 161 * NAME_VALUE_ST dict[] = { { "key1", "val1" }, { "key2", "val2" }}; 162 163 * // Find by key name 164 * NAME_VALUE_ST *found = (NAME_VALUE_ST *)StrDictGetIndex((void **)dict, sizeof(NAME_VALUE_ST), "key1", FALSE); 165 */ 166 void *OH_StrDictGet(void **strDict, int dictSize, const char *target, int ignoreCase); 167 168 /** 169 * @brief Get string dictionary from a string dictionary array and extended string dictionary 170 * 171 * @param strDict string dictionary array 172 * Attension: last item in the array must be NULL, for example: 173 * Each item must be a structure with "const char *" as the first element 174 * For example: 175 * typedef { 176 * const char *key; // First element must be "const char *" 177 * const char *value; // Arbitrary elements 178 * // Optionally add more elements 179 * } STRING_DICT_ST; 180 * @param target string to be matched 181 * @param ignoreCase 0 means exact match, others mean ignore case 182 * @param extendStrDict optional extended strings dictionary array, last item must be NULL 183 * @return return item pointer if succeed; NULL if failed. 184 */ 185 void *OH_ExtendableStrDictGet(void **strDict, int dictSize, const char *target, int ignoreCase, void **extendStrDict); 186 187 long long GetUptimeInMicroSeconds(const struct timespec *uptime); 188 189 #ifdef __cplusplus 190 #if __cplusplus 191 } 192 #endif 193 #endif 194 #endif // INIT_UTILS_H 195