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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// Reactor_Exceptions_Test.cpp
//
// = DESCRIPTION
// This is a test that makes sure the <ACE_Reactor> works
// correctly in the face of C++ exceptions and threads.
//
// = AUTHOR
// Luca Priorelli <lucapri@mbox.vol.it> and Douglas C. Schmidt
//
// ============================================================================
#include "ace/Reactor.h"
#include "ace/SOCK_Dgram.h"
#include "ace/INET_Addr.h"
#include "ace/Thread_Manager.h"
#include "test_config.h"
#if defined (ACE_HAS_EXCEPTIONS)
#if defined (ACE_WIN32)
static void
throw_exception (void)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) throw exception\n"));
// Cause a Win32 structured exception.
*(char *) 0 = 0;
}
#else
// Just need a simple exception class.
class Except {};
static void
throw_exception (void)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) throw exception\n"));
throw Except ();
}
#endif /* ACE_WIN32 */
class My_Handler : public ACE_Event_Handler, public ACE_SOCK_Dgram
{
public:
My_Handler (const ACE_INET_Addr &local_addr);
virtual ACE_HANDLE get_handle (void) const;
virtual int handle_input (ACE_HANDLE handle);
};
My_Handler::My_Handler (const ACE_INET_Addr &local_addr)
: ACE_SOCK_Dgram (local_addr)
{
}
ACE_HANDLE
My_Handler::get_handle (void) const
{
return ACE_SOCK_Dgram::get_handle ();
}
int
My_Handler::handle_input (ACE_HANDLE)
{
char buf[BUFSIZ];
ACE_INET_Addr from_addr;
ACE_DEBUG ((LM_DEBUG,
"Activity occurred on handle %d!\n",
ACE_SOCK_Dgram::get_handle ()));
ssize_t n = ACE_SOCK_Dgram::recv (buf,
sizeof buf,
from_addr);
if (n == -1)
ACE_ERROR ((LM_ERROR,
"%p\n",
"handle_input"));
else
ACE_DEBUG ((LM_DEBUG,
"got buf = %s\n",
buf));
throw_exception ();
return 0;
}
class My_Reactor : public ACE_Reactor
{
public:
virtual int handle_events (ACE_Time_Value *max_wait_time)
{
int ret = 0;
try
{
ret = ACE_Reactor::handle_events (max_wait_time);
}
catch (...)
{
ACE_DEBUG ((LM_DEBUG,
" (%t) catch exception\n"));
ret = -1;
// do your thing, etc.
}
return ret;
}
virtual int handle_events (ACE_Time_Value &max_wait_time)
{
return this->handle_events (&max_wait_time);
}
};
static int
worker (void)
{
ACE_Reactor::instance ()->owner (ACE_OS::thr_self ());
for (;;)
if (ACE_Reactor::instance ()->handle_events () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
" (%t) exception return\n"),
0);
ACE_NOTREACHED (return 0);
}
#endif /* ACE_HAS_EXCEPTIONS */
int
main (int argc, char *argv[])
{
ACE_START_TEST ("Reactor_Exceptions_Test");
#if defined (ACE_HAS_EXCEPTIONS)
My_Reactor reactor;
u_short port = argc > 1 ? ACE_OS::atoi (argv[1]) : ACE_DEFAULT_SERVER_PORT;
ACE_DEBUG ((LM_DEBUG,
"Starting tracing\n"));
ACE_Reactor::instance (&reactor);
ACE_Thread_Manager *thr_mgr =
ACE_Thread_Manager::instance ();
ACE_INET_Addr local_addr (port);
ACE_INET_Addr remote_addr (port,
ACE_DEFAULT_SERVER_HOST);
My_Handler handler (local_addr);
if (ACE_Reactor::instance ()->register_handler
(&handler,
ACE_Event_Handler::READ_MASK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"register_handler"),
-1);
#if defined (ACE_HAS_THREADS)
thr_mgr->spawn (ACE_THR_FUNC (worker));
#else
// Need to figure out how to implement this test.
ACE_ERROR ((LM_ERROR,
"threads not supported on this platform\n"));
#endif /* ACE_HAS_THREADS */
ACE_SOCK_Dgram dgram ((ACE_INET_Addr &) ACE_Addr::sap_any);
for (size_t i = 0; i < ACE_MAX_ITERATIONS; i++)
dgram.send ("Hello", sizeof ("Hello"), remote_addr);
// Barrier to wait for the other thread to return.
thr_mgr->wait ();
handler.close ();
dgram.close ();
ACE_DEBUG ((LM_DEBUG,
" (%t) exiting main\n"));
#else
ACE_UNUSED_ARG (argc);
ACE_UNUSED_ARG (argv);
ACE_ERROR ((LM_ERROR,
"C++ exceptions not supported on this platform\n"));
#endif /* ACE_HAS_EXCEPTIONS */
ACE_END_TEST;
return 0;
}
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