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 #ifndef LOG_UTILS_H 16 #define LOG_UTILS_H 17 18 #include <string> 19 #include <vector> 20 #include <unordered_map> 21 22 namespace OHOS { 23 namespace HiviewDFX { 24 template<typename K, typename V> 25 class KVMap { 26 using ValueCmp = std::function<bool(const V& v1, const V& v2)>; 27 public: 28 KVMap(std::unordered_map<K, V> map, K def_k, V def_v, 29 ValueCmp cmp = [](const V& v1, const V& v2) { return v1 == v2; }) str_map(map)30 : str_map(map), def_key(def_k), def_value(def_v), compare(cmp) 31 { 32 } 33 GetValue(K key)34 const V& GetValue(K key) const 35 { 36 auto it = str_map.find(key); 37 return it == str_map.end() ? def_value : it->second; 38 } 39 GetKey(const V & value)40 const K GetKey(const V& value) const 41 { 42 for (auto& it : str_map) { 43 if (compare(value, it.second)) { 44 return it.first; 45 } 46 } 47 return def_key; 48 } 49 GetAllKeys()50 std::vector<K> GetAllKeys() const 51 { 52 std::vector<K> keys; 53 for (auto& it : str_map) { 54 keys.push_back(it.first); 55 } 56 return keys; 57 } 58 IsValidKey(K key)59 bool IsValidKey(K key) const 60 { 61 return (str_map.find(key) != str_map.end()); 62 } 63 64 private: 65 const std::unordered_map<K, V> str_map; 66 const K def_key; 67 const V def_value; 68 const ValueCmp compare; 69 }; 70 using StringMap = KVMap<uint16_t, std::string>; 71 std::string ErrorCode2Str(int16_t errorCode); 72 std::string LogType2Str(uint16_t logType); 73 uint16_t Str2LogType(const std::string& str); 74 std::string ComboLogType2Str(uint16_t shiftType); 75 uint16_t Str2ComboLogType(const std::string& str); 76 std::vector<uint16_t> GetAllLogTypes(); 77 std::string LogLevel2Str(uint16_t logLevel); 78 uint16_t Str2LogLevel(const std::string& str); 79 std::string LogLevel2ShortStr(uint16_t logLevel); 80 uint16_t ShortStr2LogLevel(const std::string& str); 81 uint16_t PrettyStr2LogLevel(const std::string& str); 82 std::string ComboLogLevel2Str(uint16_t shiftLevel); 83 uint16_t Str2ComboLogLevel(const std::string& str); 84 std::string ShowFormat2Str(uint16_t showFormat); 85 uint16_t Str2ShowFormat(const std::string& str); 86 std::string Size2Str(uint64_t size); 87 uint64_t Str2Size(const std::string& str); 88 89 constexpr char DEFAULT_SPLIT_DELIMIT[] = ","; 90 void Split(const std::string& src, std::vector<std::string>& dest, 91 const std::string& separator = DEFAULT_SPLIT_DELIMIT); 92 uint32_t GetBitsCount(uint64_t n); 93 uint16_t GetBitPos(uint64_t n); 94 95 std::string Uint2DecStr(uint32_t i); 96 uint32_t DecStr2Uint(const std::string& str); 97 std::string Uint2HexStr(uint32_t i); 98 uint32_t HexStr2Uint(const std::string& str); 99 100 #if !defined(__WINDOWS__) and !defined(__LINUX__) 101 std::string GetProgName(); 102 #endif 103 std::string GetNameByPid(uint32_t pid); 104 uint32_t GetPPidByPid(uint32_t pid); 105 uint64_t GenerateHash(const char *p, size_t size); 106 void PrintErrorno(int err); 107 int WaitingToDo(int max, const std::string& path, std::function<int(const std::string &path)> func); 108 } // namespace HiviewDFX 109 } // namespace OHOS 110 #endif // LOG_UTILS_H