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// $Id$
//========================================================================
//
// = LIBRARY
// TAO/tests/POA/Single_Threaded_POA
//
// = FILENAME
// Single_Threaded_POA.cpp
//
// = DESCRIPTION
// This program tests to make sure that two threads cannot call
// servants in a single threaded POA simultaneously. At the same
// time, it makes sure that a servant can call itself or other
// servants in the same POA while in an upcall.
//
// = AUTHOR
// Irfan Pyarali
//
//=========================================================================
#include "testS.h"
#include "ace/Task.h"
#include "ace/OS_NS_unistd.h"
#include "ace/Argv_Type_Converter.h"
class test_i : public virtual POA_test
{
public:
test_i (PortableServer::POA_ptr poa);
void method (ACE_ENV_SINGLE_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException));
PortableServer::POA_ptr _default_POA (ACE_ENV_SINGLE_ARG_DECL);
private:
PortableServer::POA_var poa_;
int called_self_;
};
test_i::test_i (PortableServer::POA_ptr poa)
: poa_ (PortableServer::POA::_duplicate (poa)),
called_self_ (0)
{
}
void
test_i::method (ACE_ENV_SINGLE_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
ACE_DEBUG ((LM_DEBUG,
"Entering Worker::svc from %t and sleeping....\n"));
ACE_OS::sleep (3);
ACE_DEBUG ((LM_DEBUG,
"Done resting from %t\n"));
if (this->called_self_ == 0)
{
this->called_self_ = 1;
ACE_DEBUG ((LM_DEBUG,
"Calling self from %t\n"));
test_var self = this->_this (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
self->method (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
}
}
PortableServer::POA_ptr
test_i::_default_POA (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
{
return PortableServer::POA::_duplicate (this->poa_.in ());
}
class Worker : public ACE_Task_Base
{
public:
Worker (test_ptr t);
int svc (void);
private:
test_var test_;
};
Worker::Worker (test_ptr t)
: test_ (test::_duplicate (t))
{
}
int
Worker::svc (void)
{
ACE_TRY_NEW_ENV
{
this->test_->method (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Exception caught in thread");
return -1;
}
ACE_ENDTRY;
return 0;
}
int
ACE_TMAIN (int argc, ACE_TCHAR **argv)
{
ACE_Argv_Type_Converter convert (argc, argv);
ACE_TRY_NEW_ENV
{
// Initialize the ORB first.
CORBA::ORB_var orb = CORBA::ORB_init (convert.get_argc(),
convert.get_ASCII_argv(),
0
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Obtain the RootPOA.
CORBA::Object_var obj = orb->resolve_initial_references ("RootPOA"
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Get the POA_var object from Object_var.
PortableServer::POA_var root_poa =
PortableServer::POA::_narrow (obj.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Get the POAManager of the RootPOA.
PortableServer::POAManager_var poa_manager =
root_poa->the_POAManager (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
// Policies for the new POA.
CORBA::PolicyList policies (2);
policies.length (2);
policies[0] =
root_poa->create_implicit_activation_policy (PortableServer::IMPLICIT_ACTIVATION
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
policies[1] =
root_poa->create_thread_policy (PortableServer::SINGLE_THREAD_MODEL
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Creation of the child POA.
PortableServer::POA_var child_poa =
root_poa->create_POA ("child",
poa_manager.in (),
policies
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Destroy the policies
for (CORBA::ULong i = 0;
i < policies.length ();
++i)
{
policies[i]->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
poa_manager->activate (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
test_i servant1 (child_poa.in ());
test_i servant2 (child_poa.in ());
test_var object1 = servant1._this (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
test_var object2 = servant2._this (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
Worker worker1 (object1.in ());
Worker worker2 (object2.in ());
int result =
worker1.activate () != 0 ||
worker2.activate () != 0;
ACE_ASSERT (result == 0);
result = ACE_Thread_Manager::instance ()->wait ();
ACE_ASSERT (result == 0);
// In non-debug compiles, asserts will disappear.
ACE_UNUSED_ARG (result);
root_poa->destroy (1,
1
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Exception caught");
return -1;
}
ACE_ENDTRY;
return 0;
}
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