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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>
//
// ============================================================================
#define ACE_BUILD_SVC_DLL
#define ACE_HAS_SVR4_DYNAMIC_LINKING
#include "test_config.h"
#include "ace/DLL.h"
#include "ace/Auto_Ptr.h"
ACE_RCSID(tests, DLL_Test, "$Id$")
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined(__BORLANDC__) && __BORLANDC__ >= 0x0530
USELIB("..\ace\aced.lib");
//---------------------------------------------------------------------------
#endif /* defined(__BORLANDC__) && __BORLANDC__ >= 0x0530 */
// Considering UNIX OS to be default. On Win32 platforms, the symbols
// are got form the .exe as one cant have .exe and .dll for the same
// .cpp. Also, on Win32 platforms one cant use the .obj to obtain
// symbols dynamically at runtime.
#if defined (ACE_WIN32)
# define OBJ_SUFFIX ".exe"
# define OBJ_PREFIX ""
#else
# define OBJ_SUFFIX ".so"
# define OBJ_PREFIX "./lib"
#endif /*ACE_WIN32*/
class Hello
{
// = TITLE
// The Hello class in the dynamically linkable library.
//
// = DESCRIPTION
// This class is used in this example to show how a library can
// be loaded on demand and its methods called on getting the
// symbols from the library.
public:
void say_hello (void)
{
ACE_DEBUG ((LM_DEBUG,
"Hello\n"));
}
void say_next (void)
{
ACE_DEBUG ((LM_DEBUG,
"How are you?\n"));
}
};
// This function returns the Hello object pointer.
extern "C" ACE_Svc_Export Hello *get_hello (void);
Hello *get_hello (void)
{
Hello *hello;
ACE_NEW_RETURN (hello,
Hello,
NULL);
return hello;
}
typedef Hello *(*TC) (void);
#if defined (ACE_HAS_SVR4_DYNAMIC_LINKING)
int
main (int argc, char *argv[])
{
ACE_UNUSED_ARG (argc);
ACE_UNUSED_ARG (argv);
ACE_START_TEST ("DLL_Test");
ACE_DLL dll;
int retval = dll.open (OBJ_PREFIX "DLL_Test" OBJ_SUFFIX);
if (retval != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
dll.error ()),
-1);
TC f = (TC) dll.symbol ("get_hello");
if (f == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
dll.error ()),
-1);
auto_ptr<Hello> my_hello (f ());
// Make the method calls, as the object pointer is available.
my_hello->say_hello ();
my_hello->say_next ();
ACE_END_TEST;
return 0;
}
#endif /* ACE_HAS_SVR4_DYNAMIC_LINKING */
#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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