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// $Id$
// ==========================================================================
// = LIBRARY
// TAO/tests/POA/NewPOA
//
// = FILENAME
// NewPOA.cpp
//
// = DESCRIPTION
// This program demonstrates creation of new POAs, as children of the root POA or the
// existing POA.
// There are three new POA created in this example.
// The hierarchy of POAs looks like this.
//
// /-->first_poa-->first_poa/second_poa
// RootPOA--
// \-->third_poa
//
// = AUTHOR
// Irfan Pyarali
// ========================================================================
#include "tao/PortableServer/PortableServer.h"
#include "tao/ORB.h"
#include "ace/SString.h"
#include "ace/Log_Msg.h"
#include "ace/Argv_Type_Converter.h"
ACE_RCSID (NewPOA,
NewPOA,
"$Id$")
void
print_poa (PortableServer::POA_ptr poa
ACE_ENV_ARG_DECL)
{
CORBA::String_var poa_name =
poa->the_name (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
CORBA::OctetSeq_var poa_id =
poa->id (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
ACE_DEBUG ((LM_DEBUG,
"POA name = %s\n",
poa_name.in ()));
ACE_DEBUG ((LM_DEBUG,
"POA id = "));
for (CORBA::ULong i = 0;
i != poa_id->length ();
++i)
{
ACE_DEBUG ((LM_DEBUG,
"%o",
poa_id[i]));
}
ACE_DEBUG ((LM_DEBUG,
"\n"));
PortableServer::POAList_var children =
poa->the_children (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
for (CORBA::ULong index = 0;
index != children->length ();
++index)
{
print_poa (children[index]
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
}
int
ACE_TMAIN (int argc, ACE_TCHAR **argv)
{
ACE_Argv_Type_Converter convert (argc, argv);
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
// The first step Initialize the ORB
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;
// _narrow() the Object to get the POA object, i.e., the root_poa.
PortableServer::POA_var root_poa =
PortableServer::POA::_narrow (obj.in () ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Policies for the new POAs
CORBA::PolicyList policies (2);
policies.length (2);
// Threading policy
policies[0] =
root_poa->create_thread_policy (PortableServer::ORB_CTRL_MODEL ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Lifespan policy
policies[1] =
root_poa->create_lifespan_policy (PortableServer::TRANSIENT ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Creation of the firstPOA
ACE_CString name = "firstPOA";
PortableServer::POA_var first_poa =
root_poa->create_POA (name.c_str (),
PortableServer::POAManager::_nil (),
policies
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Creation of the new POA, i.e. firstPOA/secondPOA
name = "secondPOA";
PortableServer::POA_var second_poa =
first_poa->create_POA (name.c_str (),
PortableServer::POAManager::_nil (),
policies
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Creating thirdPOA.
name = "thirdPOA";
PortableServer::POA_var third_poa =
root_poa->create_POA (name.c_str (),
PortableServer::POAManager::_nil (),
policies
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Creation of the new POAs over, so destroy the Policy_ptr's.
for (CORBA::ULong i = 0;
i < policies.length ();
++i)
{
CORBA::Policy_ptr policy = policies[i];
policy->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
// Get the names of all the POAs and print them out.
CORBA::String_var root_poa_name =
root_poa->the_name (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
CORBA::String_var first_poa_name =
first_poa->the_name (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
CORBA::String_var second_poa_name =
second_poa->the_name (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
CORBA::String_var third_poa_name =
third_poa->the_name (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
ACE_DEBUG ((LM_DEBUG,
"%s\n%s\n%s\n%s\n",
root_poa_name.in (),
first_poa_name.in (),
second_poa_name.in (),
third_poa_name.in ()));
print_poa (root_poa.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Exception caught in main ");
return -1;
}
ACE_ENDTRY;
ACE_CHECK_RETURN (-1);
return 0;
}
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