1 |
/*************************************************************************** |
/*************************************************************************** |
2 |
* * |
* * |
3 |
* Copyright (C) 2007 Christian Schoenebeck * |
* Copyright (C) 2007, 2008 Christian Schoenebeck * |
4 |
* * |
* * |
5 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
6 |
* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
20 |
|
|
21 |
#include "InstrumentEditorFactory.h" |
#include "InstrumentEditorFactory.h" |
22 |
|
|
23 |
|
#include "../common/global_private.h" |
24 |
|
|
25 |
|
#if defined(WIN32) |
26 |
|
#include <windows.h> |
27 |
|
#else |
28 |
#include <dlfcn.h> |
#include <dlfcn.h> |
29 |
#include <errno.h> |
#include <errno.h> |
|
#include <string.h> |
|
30 |
#include <dirent.h> |
#include <dirent.h> |
31 |
|
#include <sys/types.h> |
32 |
|
#include <sys/stat.h> |
33 |
|
#include <unistd.h> |
34 |
|
#endif |
35 |
|
#include <string.h> |
36 |
|
|
37 |
#ifndef CONFIG_PLUGIN_DIR |
#ifndef CONFIG_PLUGIN_DIR |
38 |
# error "Configuration macro CONFIG_PLUGIN_DIR not defined!" |
# error "Configuration macro CONFIG_PLUGIN_DIR not defined!" |
39 |
#endif // CONFIG_PLUGIN_DIR |
#endif // CONFIG_PLUGIN_DIR |
40 |
|
|
41 |
|
#if defined(WIN32) |
42 |
|
typedef void* (*InnerFactoryRegisterFunction)(void); |
43 |
|
#endif |
44 |
|
|
45 |
namespace LinuxSampler { |
namespace LinuxSampler { |
46 |
|
|
47 |
std::map<String, InstrumentEditorFactory::InnerFactory*> InstrumentEditorFactory::InnerFactories; |
std::map<String, InstrumentEditorFactory::InnerFactory*> InstrumentEditorFactory::InnerFactories; |
104 |
void InstrumentEditorFactory::LoadPlugins() { |
void InstrumentEditorFactory::LoadPlugins() { |
105 |
if (!bPluginsLoaded) { |
if (!bPluginsLoaded) { |
106 |
dmsg(1,("Loading instrument editor plugins...")); |
dmsg(1,("Loading instrument editor plugins...")); |
107 |
|
#if defined(WIN32) |
108 |
|
WIN32_FIND_DATA win32FindData; |
109 |
|
const String plugindir = (String)CONFIG_PLUGIN_DIR + (String)("\\*.DLL"); |
110 |
|
HANDLE hDir = FindFirstFile(plugindir.c_str(), &win32FindData); |
111 |
|
if (hDir == INVALID_HANDLE_VALUE) { |
112 |
|
if (GetLastError() != ERROR_FILE_NOT_FOUND) { |
113 |
|
std::cerr << "Could not open instrument editor plugins " |
114 |
|
<< "directory (" << CONFIG_PLUGIN_DIR << "), " |
115 |
|
<< "Error: " << GetLastError() << std::endl; |
116 |
|
} else { |
117 |
|
dmsg(1,("None")); |
118 |
|
} |
119 |
|
// either dir doesn't exist or is empty |
120 |
|
return; |
121 |
|
} |
122 |
|
|
123 |
|
do { |
124 |
|
// skip directory entries |
125 |
|
if (win32FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
126 |
|
continue; |
127 |
|
// dir entry name as full qualified path |
128 |
|
const String sPath = (String)CONFIG_PLUGIN_DIR + ((String)"\\" + (String)win32FindData.cFileName); |
129 |
|
// load the DLL |
130 |
|
HINSTANCE hinstLib; |
131 |
|
void* pDLL = hinstLib = LoadLibrary(sPath.c_str()); |
132 |
|
if (!pDLL) { |
133 |
|
std::cerr << "Failed to load instrument editor plugin: " |
134 |
|
<< sPath << std::endl; |
135 |
|
continue; |
136 |
|
} |
137 |
|
|
138 |
|
//(InnerFactory*) (*fn)(void); |
139 |
|
InnerFactoryRegisterFunction fn = |
140 |
|
(InnerFactoryRegisterFunction) |
141 |
|
GetProcAddress( |
142 |
|
hinstLib, |
143 |
|
"createInstrumentEditorInnerFactory" |
144 |
|
); |
145 |
|
if (fn == NULL) { |
146 |
|
std::cerr << "ERROR: unable to find " |
147 |
|
"createInstrumentEditorInnerFactory() " |
148 |
|
"in DLL\n" << std::flush; |
149 |
|
FreeLibrary(hinstLib); |
150 |
|
continue; |
151 |
|
} |
152 |
|
|
153 |
|
// get the plugin instance and register it to the factory |
154 |
|
|
155 |
|
InnerFactory* pInnerFactory = (InnerFactory*)fn(); |
156 |
|
if (!pInnerFactory) { |
157 |
|
std::cerr << "ERROR: !pInnerFactory\n" << std::flush; |
158 |
|
FreeLibrary(hinstLib); |
159 |
|
continue; |
160 |
|
} |
161 |
|
InstrumentEditor* pEditor = pInnerFactory->Create(); |
162 |
|
if (InnerFactories.count(pEditor->Name())) { |
163 |
|
std::cerr << "ERROR: a plugin with name '" |
164 |
|
<< pEditor->Name() |
165 |
|
<< "' already loaded (skipping)\n" |
166 |
|
<< std::flush; |
167 |
|
pInnerFactory->Destroy(pEditor); |
168 |
|
FreeLibrary(hinstLib); |
169 |
|
continue; |
170 |
|
} |
171 |
|
InnerFactories[pEditor->Name()] = pInnerFactory; |
172 |
|
pInnerFactory->Destroy(pEditor); |
173 |
|
|
174 |
|
LoadedDLLs.push_back(pDLL); |
175 |
|
} while (FindNextFile(hDir, &win32FindData)); |
176 |
|
if (hDir != INVALID_HANDLE_VALUE) FindClose(hDir); |
177 |
|
#else // POSIX |
178 |
|
#if defined(__APPLE__) /* 20071224 Toshi Nagata */ |
179 |
|
String Config_plugin_dir = (String)CONFIG_PLUGIN_DIR; |
180 |
|
if (Config_plugin_dir.find("~") == 0) |
181 |
|
Config_plugin_dir.replace(0, 1, getenv("HOME")); |
182 |
|
DIR* hDir = opendir(Config_plugin_dir.c_str()); |
183 |
|
#else |
184 |
DIR* hDir = opendir(CONFIG_PLUGIN_DIR); |
DIR* hDir = opendir(CONFIG_PLUGIN_DIR); |
185 |
|
#endif |
186 |
if (!hDir) { |
if (!hDir) { |
187 |
std::cerr << "Could not open instrument editor plugins directory " |
std::cerr << "Could not open instrument editor plugins directory " |
188 |
<< "(" << CONFIG_PLUGIN_DIR << "): " |
<< "(" << CONFIG_PLUGIN_DIR << "): " |
190 |
return; |
return; |
191 |
} |
} |
192 |
for (dirent* pEntry = readdir(hDir); pEntry; pEntry = readdir(hDir)) { |
for (dirent* pEntry = readdir(hDir); pEntry; pEntry = readdir(hDir)) { |
193 |
|
// dir entry name as full qualified path |
194 |
|
#if defined(__APPLE__) /* 20080110 Toshi Nagata */ |
195 |
|
const String sPath = Config_plugin_dir + ("/" + String(pEntry->d_name)); |
196 |
|
#else |
197 |
|
const String sPath = CONFIG_PLUGIN_DIR + ("/" + String(pEntry->d_name)); |
198 |
|
#endif |
199 |
// skip entries that are not regular files |
// skip entries that are not regular files |
200 |
if (pEntry->d_type != DT_REG) continue; |
struct stat entry_stat; |
201 |
String sPath = pEntry->d_name; |
if (lstat(sPath.c_str(), &entry_stat) != 0 || |
202 |
|
(entry_stat.st_mode & S_IFMT) != S_IFREG) |
203 |
|
continue; |
204 |
// skip files that are not .so files |
// skip files that are not .so files |
205 |
if ( |
if (sPath.length() < 3 || |
206 |
sPath.substr(sPath.length() - 3) != ".so" && |
sPath.substr(sPath.length() - 3) != ".so" && |
207 |
sPath.find(".so.") == String::npos |
sPath.find(".so.") == String::npos |
208 |
) continue; |
) continue; |
|
// make it a full qualified path |
|
|
sPath = CONFIG_PLUGIN_DIR + ("/" + sPath); |
|
209 |
// load the DLL (the plugins should register themselfes automatically) |
// load the DLL (the plugins should register themselfes automatically) |
210 |
void* pDLL = dlopen(sPath.c_str(), RTLD_NOW); |
void* pDLL = dlopen(sPath.c_str(), RTLD_NOW); |
211 |
if (pDLL) LoadedDLLs.push_back(pDLL); |
if (pDLL) LoadedDLLs.push_back(pDLL); |
212 |
else { |
else { |
213 |
std::cerr << "Failed to load instrument editor plugin: " |
std::cerr << "Failed to load instrument editor plugin: '" |
214 |
<< sPath << std::endl; |
<< sPath << "', cause: " << dlerror() << std::endl; |
215 |
} |
} |
216 |
} |
} |
217 |
closedir(hDir); |
closedir(hDir); |
218 |
|
#endif |
219 |
bPluginsLoaded = true; |
bPluginsLoaded = true; |
220 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
221 |
} |
} |
233 |
// free the DLLs |
// free the DLLs |
234 |
{ |
{ |
235 |
std::list<void*>::iterator iter = LoadedDLLs.begin(); |
std::list<void*>::iterator iter = LoadedDLLs.begin(); |
236 |
for (; iter != LoadedDLLs.end(); iter++) dlclose(*iter); |
for (; iter != LoadedDLLs.end(); iter++) { |
237 |
|
#if defined(WIN32) |
238 |
|
FreeLibrary((HINSTANCE)*iter); |
239 |
|
#else |
240 |
|
dlclose(*iter); |
241 |
|
#endif |
242 |
|
} |
243 |
LoadedDLLs.clear(); |
LoadedDLLs.clear(); |
244 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
245 |
} |
} |