X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=include%2Fdynamic.h;h=2aff7a29ff5a5dbdac02befd6add3c2af5a5ee28;hb=d3d4c7cf5c2ccb0169aa62d839479f22984437d9;hp=703120fc05bd18cbe33d2ad439ea6e3e13bd0f60;hpb=aa692dc1039b63deef7886e914ec499abe7facaf;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/dynamic.h b/include/dynamic.h index 703120fc0..2aff7a29f 100644 --- a/include/dynamic.h +++ b/include/dynamic.h @@ -1,7 +1,7 @@ /* * InspIRCd -- Internet Relay Chat Daemon * - * Copyright (C) 2013, 2019 Sadie Powell + * Copyright (C) 2013, 2019-2020 Sadie Powell * Copyright (C) 2012 Robby * Copyright (C) 2012 ChrisTX * Copyright (C) 2009-2010 Daniel De Graaf @@ -30,35 +30,34 @@ */ class CoreExport DLLManager : public classbase { - protected: - /** The last error string - */ + private: + /** The last error string. */ std::string err; - /** Sets the last error string - */ + /** The module library handle. */ +#ifdef _WIN32 + HMODULE lib; +#else + void* lib; +#endif + + /** The filename of the module library. */ + const std::string libname; + + /** Sets the last error string. */ void RetrieveLastError(); public: - /** 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(); - - /** Get the last error from dlopen() or dlsym(). + /** Attempts to load the specified module. + * @param name The name of the library to load. */ - const std::string& LastError() - { - return err; - } + DLLManager(const std::string& name); - /** The module library handle. - */ - void *h; + /** Unloads the module if one was loaded. */ + ~DLLManager(); - /** Return a module by calling the init function + /** Attempts to create a new module instance from this shared library. + * @return Either a new instance of the Module class or NULL on error. */ Module* CallInit(); @@ -66,8 +65,24 @@ class CoreExport DLLManager : public classbase * @param name The name of the symbol to retrieve. * @return Either the value of the specified symbol or or NULL if it does not exist. */ - void* GetSymbol(const char* name); + void* GetSymbol(const char* name) const; + + /** Retrieves the value of the specified symbol and casts it to the requested type. + * @param name The name of the symbol to retrieve. + * @return Either the value of the specified symbol or or NULL if it does not exist. + */ + template + TReturn* GetSymbol(const char* name) const + { + return static_cast(GetSymbol(name)); + } + + /** Retrieves the module version from the dynamic library. */ + const char* GetVersion() const { return GetSymbol(MODULE_STR_VERSION); } + + /** Retrieves the last error which occurred or an empty string if no errors have occurred. */ + const std::string& LastError() const { return err; } - /** Get detailed version information from the module file */ - std::string GetVersion(); + /** Retrieves the filename of the underlying shared library. */ + const std::string& LibraryName() const { return libname; } };