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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// DLL_Test.cpp
//
// = DESCRIPTION
// This test illustrates the use of <ACE_DLL> wrapper class.
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
//
// ============================================================================
#include "test_config.h"
#include "DLL_Test.h"
#include "ace/DLL.h"
#include "ace/Auto_Ptr.h"
#include "ace/ACE.h"
ACE_RCSID(tests, DLL_Test, "$Id$")
#if defined (ACE_WIN32) && defined (_MSC_VER) && defined (_DEBUG)
# define OBJ_SUFFIX ACE_TEXT ("d") ACE_DLL_SUFFIX
#else /* ACE_WIN32 && _MSC_VER && _DEBUG */
# define OBJ_SUFFIX ACE_DLL_SUFFIX
#endif /* ACE_WIN32 && && _MSC_VER && _DEBUG */
#if defined (ACE_WIN32)
# define OBJ_PREFIX ACE_DLL_PREFIX
#else
# define OBJ_PREFIX ACE_TEXT("./") ACE_DLL_PREFIX
#endif /* ACE_WIN32 */
// Declare the type of the symbol:
typedef Hello *(*Hello_Factory)(void);
int
ACE_TMAIN (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("DLL_Test"));
// Protection against this test being run on platforms not supporting Dlls.
#if defined (ACE_WIN32) || defined (ACE_HAS_SVR4_DYNAMIC_LINKING) || \
defined (__hpux)
ACE_DLL dll;
// This is just to make sure that it's safe to call error() at any time, i.e.,
// it shouldn't seg-fault.
ACE_TCHAR *dll_error = dll.error ();
#if defined (__KCC)
/* With KCC, turning on close-on-destruction will cause problems
when libKCC tries to call dtors. */
int retval = dll.open (ACE_TEXT (OBJ_PREFIX)
ACE_TEXT ("DLL_Test")
ACE_TEXT (OBJ_SUFFIX),
ACE_DEFAULT_SHLIB_MODE,
0);
#else
int retval = dll.open (OBJ_PREFIX
ACE_TEXT ("DLL_Test")
OBJ_SUFFIX);
#endif /* __KCC */
if (retval != 0)
{
dll_error = dll.error ();
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Error in DLL Open: %s\n"),
dll_error ? dll_error : ACE_TEXT ("unknown error")),
-1);
}
// Just because the ANSI C++ spec says you can no longer cast a
// void* to a function pointer. Doesn't allow:
// TC f = (Hello_Factory) dll.symbol ("get_hello");
void *foo;
ACE_TCHAR *cdecl_str = ACE::ldname (ACE_TEXT ("get_hello"));
foo = dll.symbol (cdecl_str);
delete[] cdecl_str;
// Cast the void* to long first.
long tmp = ACE_reinterpret_cast (long, foo);
Hello_Factory factory = ACE_reinterpret_cast (Hello_Factory, tmp);
if (factory == 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
dll.error ()),
-1);
auto_ptr<Hello> my_hello (factory ());
// Make the method calls, as the object pointer is available.
my_hello->say_hello ();
my_hello->say_next ();
// Allocate and delete a string allocated via new in a different dll.
ACE_TCHAR *new_str = my_hello->new_info ();
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Result for new_info(): %s\n"), new_str));
ACE::strdelete (new_str);
// Allocate and free a string allocated via malloc in a different dll.
ACE_TCHAR *malloc_str = my_hello->malloc_info ();
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Result for malloc_info(): %s\n"), malloc_str));
ACE_OS_Memory::free (malloc_str);
#else
ACE_ERROR ((LM_INFO,
ACE_TEXT ("Dynamically Linkable Libraries not supported on this platform\n")));
#endif /* ACE_WIN32 || ACE_HAS_SVR4_DYNAMIC_LINKING || __hpux */
ACE_END_TEST;
return 0;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class auto_ptr <Hello>;
template class ACE_Auto_Basic_Ptr <Hello>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate auto_ptr <Hello>
#pragma instantiate ACE_Auto_Basic_Ptr <Hello>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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