DLLFactory--

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@11861 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 8 insertions, 93 deletions

diff --git a/include/dynamic.h b/include/dynamic.h
index fe150716e..12f6ffbc9 100644
--- a/include/dynamic.h
+++ b/include/dynamic.h
@@ -14,16 +14,17 @@
 #ifndef __DLL_H
 #define __DLL_H
 
+class Module;
+
 /** 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, or NULL
+	/** The last error string
 	 */
-	const char *err;
+	std::string err;
 
  public:
 	/** This constructor loads the module using dlopen()
@@ -33,106 +34,20 @@ class CoreExport DLLManager : public classbase
 	DLLManager(const char *fname);
 	virtual ~DLLManager();
 
-	/** 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);
-
 	/** Get the last error from dlopen() or dlsym().
-	 * @return The last error string, or NULL if no error has occured.
 	 */
-	const char* LastError()
+	const std::string& LastError()
 	{
 		 return err;
 	}
 
-	/** The module handle.
-	 * This is OS dependent, on POSIX platforms it is a pointer to a function
-	 * pointer (yes, really!) and on windows it is a library handle.
+	/** The module library handle.
 	 */
 	void *h;
-};
-
-class CoreExport LoadModuleException : public CoreException
-{
- public:
-	/** This constructor can be used to specify an error message before throwing.
-	 */
-	LoadModuleException(const std::string &message)
-	: CoreException(message, "the core")
-	{
-	}
-
-	/** This destructor solves world hunger, cancels the world debt, and causes the world to end.
-	 * Actually no, it does nothing. Never mind.
-	 * @throws Nothing!
-	 */
-	virtual ~LoadModuleException() throw() {};
-};
-
-class CoreExport FindSymbolException : public CoreException
-{
- public:
-	/** This constructor can be used to specify an error message before throwing.
-	 */
-	FindSymbolException(const std::string &message)
-	: CoreException(message, "the core")
-	{
-	}
-
-	/** This destructor solves world hunger, cancels the world debt, and causes the world to end.
-	 * Actually no, it does nothing. Never mind.
-	 * @throws Nothing!
-	 */
-	virtual ~FindSymbolException() throw() {};
-};
-
-class Module;
-/** This is the highest-level class of the DLLFactory system used to load InspIRCd modules and commands.
- * All the dirty mucking around with dl*() is done by DLLManager, all this does it put a pretty shell on
- * it and make it nice to use to load modules and core commands. This class is quite specialised for these
- * two uses and it may not be useful more generally -- use DLLManager directly for that.
- */
-class CoreExport DLLFactory : public DLLManager
-{
- public:
-	typedef Module* (initfunctype)();
 
-	/** Pointer to the init function.
+	/** Return a module by calling the init function
 	 */
-	initfunctype* const init_func;
-
-	/** 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(const char *fname, const char *func_name)
-	: DLLManager(fname), init_func(NULL)
-	{
-		const char* error = LastError();
-
-		if(!error)
-		{
-			if(!GetSymbol((void **)&init_func, func_name))
-			{
-				throw FindSymbolException("Missing " + std::string(func_name) + "() entrypoint!");
-			}
-		}
-		else
-		{
-			throw LoadModuleException(error);
-		}
-	}
-
-	/** The destructor deletes the ModuleFactory pointer.
-	 */
-	~DLLFactory()
-	{
-	}
+	Module* callInit();
 };
 
 #endif