A Module implementation for the dl dynamic loader library that comes with glibc, applicable for Linux Systems. More...

#include <utils/system/dynamic_module/module_dl.h>

Inheritance diagram for fawkes::ModuleDL:

Public Member Functions
	ModuleDL (std::string filename, Module::ModuleFlags flags=Module::MODULE_FLAGS_DEFAULT)
	Constructor for ModuleDL.
virtual	~ModuleDL ()
	Destructor of ModuleDL.
virtual void	open ()
	Open the module.
virtual bool	close ()
	Close the module.
virtual void	ref ()
	Increment the reference count of this module.
virtual void	unref ()
	Decrease the reference count of this module.
virtual bool	notref ()
	Check if there are no reference to this module.
virtual unsigned int	get_ref_count ()
	Get the reference count of this module.
virtual bool	has_symbol (const char *symbol_name)
	Check if the module has the given symbol.
virtual void *	get_symbol (const char *symbol_name)
	Get a symbol from the module.
virtual bool	operator== (ModuleDL &cmod)
	Compare to another ModuleDL instance.
virtual std::string	get_filename ()
	Get the full file name of the module.
virtual std::string	get_base_filename ()
	Get the base file name of the module.
Static Public Member Functions
static const char *	get_file_extension ()
	Get file extension for dl modules.

Detailed Description

A Module implementation for the dl dynamic loader library that comes with glibc, applicable for Linux Systems.

Definition at line 33 of file module_dl.h.

Constructor & Destructor Documentation

fawkes::ModuleDL::ModuleDL	(	std::string	filename,
		Module::ModuleFlags	flags = `Module::MODULE_FLAGS_DEFAULT`
	)

Constructor for ModuleDL.

Parameters:

	filename	Full filename of the module
	flags	Module flags,

See also:: Module

Definition at line 52 of file module_dl.cpp.

fawkes::ModuleDL::~ModuleDL ( ) [virtual]

Destructor of ModuleDL.

Definition at line 66 of file module_dl.cpp.

References close().

Member Function Documentation

bool fawkes::ModuleDL::close ( ) [virtual]

Close the module.

Returns:: Returns true if the module could be closed, false otherwise

Implements fawkes::Module.

Definition at line 138 of file module_dl.cpp.

Referenced by ~ModuleDL().

std::string fawkes::ModuleDL::get_base_filename ( ) [virtual]

Get the base file name of the module.

Returns:: Returns the base file name of the module. On Unix systems this is everything after the last slash

Implements fawkes::Module.

Definition at line 274 of file module_dl.cpp.

const char * fawkes::ModuleDL::get_file_extension ( ) [static]

Get file extension for dl modules.

Returns:: Returns the file extension for dl modules, this is "so"

Definition at line 253 of file module_dl.cpp.

std::string fawkes::ModuleDL::get_filename ( ) [virtual]

Get the full file name of the module.

Returns:: Returns a string with the full file name of the module

Implements fawkes::Module.

Definition at line 263 of file module_dl.cpp.

Referenced by operator==().

unsigned int fawkes::ModuleDL::get_ref_count ( ) [virtual]

Get the reference count of this module.

Returns:: Returns the number of references to this module

Implements fawkes::Module.

Definition at line 189 of file module_dl.cpp.

void * fawkes::ModuleDL::get_symbol ( const char * symbol_name ) [virtual]

Get a symbol from the module.

Parameters:

symbol_name

The name of the symbol. NOTE: C++ symbols are mangled with type info and thus are not plainly available as symbol name. Use extern "C" to avoid this. Read http://www.isotton.com/howtos/C++-dlopen-mini-HOWTO/C++-dlopen-mini-HOWTO.html for more information on this topic.

Returns:: Returns a pointer to the symbol or NULL if symbol was not found

Implements fawkes::Module.

Definition at line 240 of file module_dl.cpp.

bool fawkes::ModuleDL::has_symbol ( const char * symbol_name ) [virtual]

Check if the module has the given symbol.

Parameters:

symbol_name

The name of the symbol. NOTE: C++ symbols are mangled with type info and thus are not plainly available as symbol name. Use extern "C" to avoid this. Read http://www.isotton.com/howtos/C++-dlopen-mini-HOWTO/C++-dlopen-mini-HOWTO.html for more information on this topic.