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
|
#include "PluginSystem.hpp"
#include <dlfcn.h>
#include "../Compositor.hpp"
CPluginSystem::CPluginSystem() {
g_pFunctionHookSystem = std::make_unique<CHookSystem>();
}
CPlugin* CPluginSystem::loadPlugin(const std::string& path) {
if (getPluginByPath(path)) {
Debug::log(ERR, " [PluginSystem] Cannot load a plugin twice!");
return nullptr;
}
auto* const PLUGIN = m_vLoadedPlugins.emplace_back(std::make_unique<CPlugin>()).get();
PLUGIN->path = path;
HANDLE MODULE = dlopen(path.c_str(), RTLD_LAZY);
if (!MODULE) {
Debug::log(ERR, " [PluginSystem] Plugin %s could not be loaded: %s", path.c_str(), dlerror());
m_vLoadedPlugins.pop_back();
return nullptr;
}
PLUGIN->m_pHandle = MODULE;
PPLUGIN_API_VERSION_FUNC apiVerFunc = (PPLUGIN_API_VERSION_FUNC)dlsym(MODULE, PLUGIN_API_VERSION_FUNC_STR);
PPLUGIN_INIT_FUNC initFunc = (PPLUGIN_INIT_FUNC)dlsym(MODULE, PLUGIN_INIT_FUNC_STR);
if (!apiVerFunc || !initFunc) {
Debug::log(ERR, " [PluginSystem] Plugin %s could not be loaded. (No apiver/init func)", path.c_str());
dlclose(MODULE);
m_vLoadedPlugins.pop_back();
return nullptr;
}
const std::string PLUGINAPIVER = apiVerFunc();
if (PLUGINAPIVER != HYPRLAND_API_VERSION) {
Debug::log(ERR, " [PluginSystem] Plugin %s could not be loaded. (API version mismatch)", path.c_str());
dlclose(MODULE);
m_vLoadedPlugins.pop_back();
return nullptr;
}
PLUGIN_DESCRIPTION_INFO PLUGINDATA;
try {
if (!setjmp(m_jbPluginFaultJumpBuf)) {
m_bAllowConfigVars = true;
PLUGINDATA = initFunc(MODULE);
} else {
// this module crashed.
throw std::exception();
}
} catch (std::exception& e) {
m_bAllowConfigVars = false;
Debug::log(ERR, " [PluginSystem] Plugin %s (Handle %lx) crashed in init. Unloading.", path.c_str(), MODULE);
unloadPlugin(PLUGIN, true); // Plugin could've already hooked/done something
return nullptr;
}
m_bAllowConfigVars = false;
PLUGIN->author = PLUGINDATA.author;
PLUGIN->description = PLUGINDATA.description;
PLUGIN->version = PLUGINDATA.version;
PLUGIN->name = PLUGINDATA.name;
Debug::log(LOG, " [PluginSystem] Plugin %s loaded. Handle: %lx, path: \"%s\", author: \"%s\", description: \"%s\", version: \"%s\"", PLUGINDATA.name.c_str(), MODULE,
path.c_str(), PLUGINDATA.author.c_str(), PLUGINDATA.description.c_str(), PLUGINDATA.version.c_str());
return PLUGIN;
}
void CPluginSystem::unloadPlugin(const CPlugin* plugin, bool eject) {
if (!plugin)
return;
if (!eject) {
PPLUGIN_EXIT_FUNC exitFunc = (PPLUGIN_EXIT_FUNC)dlsym(plugin->m_pHandle, PLUGIN_EXIT_FUNC_STR);
if (exitFunc)
exitFunc();
}
for (auto& [k, v] : plugin->registeredCallbacks)
g_pHookSystem->unhook(v);
const auto ls = plugin->registeredLayouts;
for (auto& l : ls)
g_pLayoutManager->removeLayout(l);
g_pFunctionHookSystem->removeAllHooksFrom(plugin->m_pHandle);
const auto rd = plugin->registeredDecorations;
for (auto& d : rd)
HyprlandAPI::removeWindowDecoration(plugin->m_pHandle, d);
const auto rdi = plugin->registeredDispatchers;
for (auto& d : rdi)
HyprlandAPI::removeDispatcher(plugin->m_pHandle, d);
g_pConfigManager->removePluginConfig(plugin->m_pHandle);
dlclose(plugin->m_pHandle);
Debug::log(LOG, " [PluginSystem] Plugin %s unloaded.", plugin->name.c_str());
std::erase_if(m_vLoadedPlugins, [&](const auto& other) { return other->m_pHandle == plugin->m_pHandle; });
}
CPlugin* CPluginSystem::getPluginByPath(const std::string& path) {
for (auto& p : m_vLoadedPlugins) {
if (p->path == path)
return p.get();
}
return nullptr;
}
CPlugin* CPluginSystem::getPluginByHandle(HANDLE handle) {
for (auto& p : m_vLoadedPlugins) {
if (p->m_pHandle == handle)
return p.get();
}
return nullptr;
}
std::vector<CPlugin*> CPluginSystem::getAllPlugins() {
std::vector<CPlugin*> results(m_vLoadedPlugins.size());
for (size_t i = 0; i < m_vLoadedPlugins.size(); ++i)
results[i] = m_vLoadedPlugins[i].get();
return results;
}
|
