-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2007 Oliver Lupton <oliverlupton@gmail.com>
+ * Copyright (C) 2003-2004, 2007 Craig Edwards <craigedwards@brainbox.cc>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd 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, version 2.
*
- * ---------------------------------------------------
- */
-
-#ifndef __DLL_H
-#define __DLL_H
-
-/** This typedef represents the init_module function within each module.
- * The init_module function is the only exported extern "C" declaration
- * in any module file.
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
-typedef void * (initfunc) (void);
-#include "inspircd_config.h"
-class InspIRCd;
+#ifndef DLL_H
+#define DLL_H
/** The DLLManager class is able to load a module file by filename,
* and locate its init_module symbol.
*/
-class DLLManager
+class CoreExport DLLManager : public classbase
{
+ protected:
+ /** The last error string
+ */
+ std::string err;
+
+#ifdef _WIN32
+ /** Sets the last error string
+ */
+ void RetrieveLastError();
+#endif
+
public:
/** This constructor loads the module using dlopen()
- * @param ServerInstance The creator class of this object
* @param fname The filename to load. This should be within
* the modules dir.
*/
- DLLManager(InspIRCd* ServerInstance, const char *fname);
+ DLLManager(const char *fname);
virtual ~DLLManager();
-
-#ifdef STATIC_LINK
- /** Get a symbol using static linking.
- * @param v A static function pointer, pointing at an init_module function
- * @param sym_name The symbol name to find, usually "init_module"
- * @return True if the symbol can be found
- */
- bool GetSymbol(initfunc* &v, const char *sym_name);
-#else
- /** Get a symbol using dynamic linking.
- * @param v A function pointer, pointing at an init_module function
- * @param sym_name The symbol name to find, usually "init_module"
- * @return true if the symbol can be found, also the symbol will be put into v.
- */
- bool GetSymbol(void **v, const char *sym_name);
-#endif
/** Get the last error from dlopen() or dlsym().
- * @return The last error string, or NULL if no error has occured
*/
- char* LastError()
+ const std::string& LastError()
{
return err;
}
- /** The module handle
+ /** The module library handle.
*/
void *h;
- protected:
-
- /** The last error string, or NULL
+ /** Return a module by calling the init function
*/
- char *err;
-#ifdef STATIC_LINK
+ Module* CallInit();
- /** The module name
- */
- char staticname[1024];
-#endif
+ /** Get detailed version information from the module file */
+ std::string GetVersion();
};
-/** This class is a specialized form of DLLManager designed to load InspIRCd modules.
- * It's job is to call the init_module function and receive a factory pointer.
- */
-class DLLFactoryBase : public DLLManager
-{
- public:
- /** Default constructor.
- * This constructor loads a module file by calling its DLLManager subclass constructor,
- * then finds the symbol using DLLManager::GetSymbol(), and calls the symbol,
- * obtaining a valid pointer to the init_module function
- */
- DLLFactoryBase(InspIRCd* Instance, const char *fname, const char *func_name = 0);
-
- /** Default destructor
- */
- virtual ~DLLFactoryBase();
-#ifdef STATIC_LINK
- /** A function pointer to the factory function
- */
- initfunc *factory_func;
-#else
- /** A function pointer to the factory function
- */
- void * (*factory_func)(void);
#endif
-};
-
-/** This is the highest-level class of the DLLFactory system used to load InspIRCd modules.
- * Its job is to finally call the init_module function and obtain a pointer to a ModuleFactory.
- * This template is a container for ModuleFactory itself, so that it may 'plug' into ModuleFactory
- * and provide module loading capabilities transparently.
- */
-template <class T> class DLLFactory : public DLLFactoryBase
-{
- public:
- /** Default constructor.
- * This constructor passes its paramerers down through DLLFactoryBase and then DLLManager
- * to load the module, then calls the factory function to retrieve a pointer to a ModuleFactory
- * class. It is then down to the core to call the ModuleFactory::CreateModule() method and
- * receive a Module* which it can insert into its module lists.
- */
- DLLFactory(InspIRCd* Instance, const char *fname, const char *func_name=0) : DLLFactoryBase(Instance, fname, func_name)
- {
- if (factory_func)
- factory = reinterpret_cast<T*>(factory_func());
- else
- factory = reinterpret_cast<T*>(-1);
- }
-
- /** The destructor deletes the ModuleFactory pointer.
- */
- ~DLLFactory()
- {
- if (factory)
- delete factory;
- }
- /** The ModuleFactory pointer.
- */
- T *factory;
-};
-
-#endif