1 // SPDX-License-Identifier: Apache-2.0
2 // SPDX-FileCopyrightText: Copyright 2017 Intel Corporation
3
4 #pragma once
5
6 #include <nlohmann/json.hpp>
7 #include <sdbusplus/asio/connection.hpp>
8 #include <sdbusplus/exception.hpp>
9
10 #include <charconv>
11 #include <filesystem>
12 #include <flat_map>
13
14 using DBusValueVariant =
15 std::variant<std::string, int64_t, uint64_t, double, int32_t, uint32_t,
16 int16_t, uint16_t, uint8_t, bool, std::vector<uint8_t>>;
17 using DBusInterface = std::flat_map<std::string, DBusValueVariant, std::less<>>;
18 using DBusObject = std::flat_map<std::string, DBusInterface, std::less<>>;
19 using MapperGetSubTreeResponse =
20 std::flat_map<std::string, DBusObject, std::less<>>;
21 using FirstIndex = size_t;
22 using LastIndex = size_t;
23
24 bool findFiles(const std::filesystem::path& dirPath,
25 const std::string& matchString,
26 std::vector<std::filesystem::path>& foundPaths);
27 bool findFiles(const std::vector<std::filesystem::path>& dirPaths,
28 const std::string& matchString,
29 std::vector<std::filesystem::path>& foundPaths);
30
31 bool getI2cDevicePaths(const std::filesystem::path& dirPath,
32 std::flat_map<size_t, std::filesystem::path>& busPaths);
33
34 struct DBusInternalError final : public sdbusplus::exception_t
35 {
nameDBusInternalError36 const char* name() const noexcept override
37 {
38 return "org.freedesktop.DBus.Error.Failed";
39 }
descriptionDBusInternalError40 const char* description() const noexcept override
41 {
42 return "internal error";
43 }
whatDBusInternalError44 const char* what() const noexcept override
45 {
46 return "org.freedesktop.DBus.Error.Failed: "
47 "internal error";
48 }
49
get_errnoDBusInternalError50 int get_errno() const noexcept override
51 {
52 return EACCES;
53 }
54 };
55
deviceHasLogging(const nlohmann::json & json)56 inline bool deviceHasLogging(const nlohmann::json& json)
57 {
58 auto logging = json.find("Logging");
59 if (logging != json.end())
60 {
61 const auto* ptr = logging->get_ptr<const std::string*>();
62 if (ptr != nullptr)
63 {
64 if (*ptr == "Off")
65 {
66 return false;
67 }
68 }
69 }
70 return true;
71 }
72
73 /// \brief Match a Dbus property against a probe statement.
74 /// \param probe the probe statement to match against.
75 /// \param dbusValue the property value being matched to a probe.
76 /// \return true if the dbusValue matched the probe otherwise false.
77 bool matchProbe(const nlohmann::json& probe, const DBusValueVariant& dbusValue);
78
asciiToLower(char c)79 inline char asciiToLower(char c)
80 {
81 // Converts a character to lower case without relying on std::locale
82 if ('A' <= c && c <= 'Z')
83 {
84 c -= static_cast<char>('A' - 'a');
85 }
86 return c;
87 }
88
89 template <typename T>
iFindFirst(T && str,std::string_view sub)90 auto iFindFirst(T&& str, std::string_view sub)
91 {
92 return std::ranges::search(str, sub, [](char a, char b) {
93 return asciiToLower(a) == asciiToLower(b);
94 });
95 }
96
97 std::vector<std::string> split(std::string_view str, char delim);
98
99 void iReplaceAll(std::string& str, std::string_view search,
100 std::string_view replace);
101
102 void replaceAll(std::string& str, std::string_view search,
103 std::string_view replace);
104
105 std::string toLowerCopy(std::string_view str);
106
107 template <typename T>
fromCharsWrapper(const std::string_view & str,T & out,bool & fullMatch,int base=10)108 std::from_chars_result fromCharsWrapper(const std::string_view& str, T& out,
109 bool& fullMatch, int base = 10)
110 {
111 auto result = std::from_chars(
112 str.data(), std::next(str.begin(), str.size()), out, base);
113
114 fullMatch = result.ptr == std::next(str.begin(), str.size());
115
116 return result;
117 }
118