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
|
/**
* Copyright (C) 2021-2024 Saturneric <[email protected]>
*
* This file is part of GpgFrontend.
*
* GpgFrontend is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <[email protected]> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "GpgFunctionObject.h"
#include <map>
#include <mutex>
#include <typeinfo>
#include "core/function/SecureMemoryAllocator.h"
#include "core/function/basic/ChannelObject.h"
struct FunctionObjectTypeLockInfo {
std::map<int, std::mutex> channel_lock_map;
std::mutex type_lock;
};
std::mutex g_function_object_mutex_map_lock;
std::map<size_t, FunctionObjectTypeLockInfo> g_function_object_mutex_map;
namespace GpgFrontend {
auto GetGlobalFunctionObjectChannelLock(const std::type_info& type,
int channel) -> std::mutex& {
std::lock_guard<std::mutex> lock_guard(g_function_object_mutex_map_lock);
auto& channel_map = g_function_object_mutex_map[type.hash_code()];
return channel_map.channel_lock_map[channel];
}
auto GetGlobalFunctionObjectTypeLock(const std::type_info& type)
-> std::mutex& {
std::lock_guard<std::mutex> lock_guard(g_function_object_mutex_map_lock);
auto& channel_map = g_function_object_mutex_map[type.hash_code()];
return channel_map.type_lock;
}
/**
* @brief Get the Instance object
*
* @param channel
* @return T&
*/
auto GetChannelObjectInstance(const std::type_info& type,
int channel) -> ChannelObject* {
// lock this channel
std::lock_guard<std::mutex> guard(
GetGlobalFunctionObjectChannelLock(type, channel));
auto* p_storage =
SingletonStorageCollection::GetInstance(false)->GetSingletonStorage(type);
auto* p_pbj =
static_cast<ChannelObject*>(p_storage->FindObjectInChannel(channel));
return p_pbj;
}
auto CreateChannelObjectInstance(const std::type_info& type, int channel,
SecureUniquePtr<ChannelObject> channel_object)
-> ChannelObject* {
// lock this channel
std::lock_guard<std::mutex> guard(
GetGlobalFunctionObjectChannelLock(type, channel));
auto* p_storage =
SingletonStorageCollection::GetInstance(false)->GetSingletonStorage(type);
// do create object of this channel
return p_storage->SetObjectInChannel(channel, std::move(channel_object));
}
} // namespace GpgFrontend
|
