X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fdynamic.h;h=12f6ffbc9a2de6d47927665684f3ecee97c8a24f;hb=ff3eef491aa9e107d09d9dd9560ef7715b37b3b3;hp=0382324ce435774e1cfe3eebff1666495033507e;hpb=e81bad456aa55af8b0cb31d2ffeb0672ff0c6bbf;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/dynamic.h b/include/dynamic.h index 0382324ce..12f6ffbc9 100644 --- a/include/dynamic.h +++ b/include/dynamic.h @@ -1,105 +1,54 @@ +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ + #ifndef __DLL_H #define __DLL_H -// -// class DLLManager is the simple ELF C++ Library manager. -// -// It tries to dynamically load the specified shared library -// when it is construted. -// -// You should call LastError() before doing anything. If it -// returns NULL there is no error. -// - +class Module; -class DLLManager +/** The DLLManager class is able to load a module file by filename, + * and locate its init_module symbol. + */ +class CoreExport DLLManager : public classbase { + protected: + /** The last error string + */ + std::string err; + public: - DLLManager( const char *fname ); + /** This constructor loads the module using dlopen() + * @param fname The filename to load. This should be within + * the modules dir. + */ + DLLManager(const char *fname); virtual ~DLLManager(); - - bool GetSymbol( void **, const char *sym_name ); - - const char *LastError() + /** Get the last error from dlopen() or dlsym(). + */ + const std::string& LastError() { return err; } - - protected: - void *h; - const char *err; -}; - - -// -// class DLLFactoryBase is the base class used for the DLLFactory -// template class. -// -// It inherits from the DLLManager class and must be constructed with -// the file name of the shared library and the function name within that -// library which will create the desired C++ factory class. -// If you do not provide func_name to the constructor, it defaults to -// the undecorated "C" symbol "factory0" -// -// factory_func will be set to a pointer to the requested factory creator -// function. If there was an error linking to the shared library, -// factory_func will be 0. -// -// You can call 'LastError()' to find the error message that occurred. -// -// - -class DLLFactoryBase : public DLLManager -{ - public: - DLLFactoryBase(const char *fname, const char *func_name = 0); - virtual ~DLLFactoryBase(); - void * (*factory_func)(void); -}; + /** The module library handle. + */ + void *h; -// -// The DLLFactory template class inherits from DLLFactoryBase. -// The constructor takes the file name of the shared library -// and the undecorated "C" symbol name of the factory creator -// function. The factory creator function in your shared library -// MUST either return a pointer to an object that is a subclass -// of 'T' or it must return 0. -// -// If everything is cool, then 'factory' will point to the -// requested factory class. If not, it will be 0. -// -// Since the DLLFactory template ultimately inherits DLLManager, -// you can call LastError() to get any error code information -// -// The created factory is OWNED by the DLLFactory class. -// The created factory will get deleted when the DLLFactory class -// is deleted, because the DLL will get unloaded as well. -// - -template class DLLFactory : public DLLFactoryBase -{ - public: - DLLFactory(const char *fname, const char *func_name=0) : DLLFactoryBase(fname,func_name) - { - if (factory_func) - factory = (T*)factory_func(); - else - factory = 0; - } - - ~DLLFactory() - { - delete factory; - } - - T *factory; + /** Return a module by calling the init function + */ + Module* callInit(); }; - - - - - #endif +