1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
#pragma once
#include "types.hpp"
#include "utils.hpp"
#include <any>
#include <map>
#include <memory>
#include <string>
#include <type_traits>
#include <utility>
namespace sdbusplus
{
namespace bus
{
class bus;
}
} // namespace sdbusplus
namespace phosphor
{
namespace inventory
{
namespace manager
{
template <typename T>
struct HasProperties
{
private:
using yes = char;
struct no
{
char array[2];
};
template <typename U>
static constexpr yes test(typename U::PropertiesVariant*);
template <typename U>
static constexpr no test(...);
public:
static constexpr auto value = sizeof(test<T>(0)) == sizeof(yes);
};
template <typename T, typename Enable = void>
struct MakeInterface
{
static std::any op(sdbusplus::bus::bus& bus, const char* path,
const Interface&)
{
return std::any(std::make_shared<T>(bus, path));
}
};
template <typename T>
struct MakeInterface<T, std::enable_if_t<HasProperties<T>::value>>
{
static std::any op(sdbusplus::bus::bus& bus, const char* path,
const Interface& props)
{
using InterfaceVariant =
std::map<std::string, typename T::PropertiesVariant>;
InterfaceVariant v;
for (const auto& p : props)
{
v.emplace(p.first,
convertVariant<typename T::PropertiesVariant>(p.second));
}
return std::any(std::make_shared<T>(bus, path, v));
}
};
template <typename T, typename Enable = void>
struct AssignInterface
{
static void op(const Interface&, std::any&)
{
}
};
template <typename T>
struct AssignInterface<T, std::enable_if_t<HasProperties<T>::value>>
{
static void op(const Interface& props, std::any& holder)
{
auto& iface = *std::any_cast<std::shared_ptr<T>&>(holder);
for (const auto& p : props)
{
iface.setPropertyByName(
p.first,
convertVariant<typename T::PropertiesVariant>(p.second));
}
}
};
template <typename T, typename Ops, typename Enable = void>
struct SerializeInterface
{
static void op(const std::string& path, const std::string& iface,
const std::any&)
{
Ops::serialize(path, iface);
}
};
template <typename T, typename Ops>
struct SerializeInterface<T, Ops, std::enable_if_t<HasProperties<T>::value>>
{
static void op(const std::string& path, const std::string& iface,
const std::any& holder)
{
const auto& object = *std::any_cast<const std::shared_ptr<T>&>(holder);
Ops::serialize(path, iface, object);
}
};
template <typename T, typename Ops, typename Enable = void>
struct DeserializeInterface
{
static void op(const std::string& path, const std::string& iface, std::any&)
{
Ops::deserialize(path, iface);
}
};
template <typename T, typename Ops>
struct DeserializeInterface<T, Ops, std::enable_if_t<HasProperties<T>::value>>
{
static void op(const std::string& path, const std::string& iface,
std::any& holder)
{
auto& object = *std::any_cast<std::shared_ptr<T>&>(holder);
Ops::deserialize(path, iface, object);
}
};
struct DummyInterface
{
};
using MakeInterfaceType =
std::add_pointer_t<decltype(MakeInterface<DummyInterface>::op)>;
using AssignInterfaceType =
std::add_pointer_t<decltype(AssignInterface<DummyInterface>::op)>;
template <typename Ops>
using SerializeInterfaceType =
std::add_pointer_t<decltype(SerializeInterface<DummyInterface, Ops>::op)>;
template <typename Ops>
using DeserializeInterfaceType =
std::add_pointer_t<decltype(DeserializeInterface<DummyInterface, Ops>::op)>;
} // namespace manager
} // namespace inventory
} // namespace phosphor
|
