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// -*- C++ -*-
// $Id$
// Ossama Othman <ossama@uci.edu>
#include "ace/Process_Manager.h"
#include "ace/OS_NS_unistd.h"
#include "orbsvcs/CosNamingC.h"
#include "Push_Web_ServerC.h"
#include "Push_Iterator_Handler.h"
ACE_RCSID (AMI_Observer,
client,
"$Id$")
// Obtain reference to Iterator_Factory
Web_Server::Iterator_Factory_ptr
get_iterator (CORBA::ORB_ptr orb);
// Perform file requests
void invoke_requests (int argc,
ACE_TCHAR *argv[],
int *request_count,
Web_Server::Iterator_Factory_ptr f);
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
try
{
if (argc < 2)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Usage: client filename ")
ACE_TEXT ("[filename ...]\n")),
-1);
// Initialize the ORB.
CORBA::ORB_var orb = CORBA::ORB_init (argc,
argv,
"Mighty ORB");
// Get the Root POA.
CORBA::Object_var obj =
orb->resolve_initial_references ("RootPOA");
PortableServer::POA_var poa =
PortableServer::POA::_narrow (obj.in ());
// Activate the POA manager.
PortableServer::POAManager_var mgr = poa->the_POAManager ();
mgr->activate ();
// Get an Iterator_Factory reference.
Web_Server::Iterator_Factory_var factory =
::get_iterator (orb.in ());
if (CORBA::is_nil (factory.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Object pointed to by:\n %s\n")
ACE_TEXT ("is not an Iterator_Factory")
ACE_TEXT ("object.\n"),
argv[1]),
-1);
}
// Variable used to keep track of when file retrieval has
// completed.
int request_count = 0;
// Activate and run the reply handlers.
::invoke_requests (argc,
argv,
&request_count,
factory.in ());
// 1 millisecond delay to reduce "busy waiting" in ORB event
// loop.
ACE_Time_Value tv (0, 1000);
// Run the ORB event loop.
while (request_count > 0)
{
CORBA::Boolean more_work;
more_work = orb->work_pending ();
if (more_work)
{
orb->perform_work ();
}
else
ACE_OS::sleep (tv);
}
orb->shutdown (0);
//orb->destroy ();
}
catch (const Web_Server::Error_Result& exc)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Caught Web Server exception ")
ACE_TEXT ("status %d\n"),
exc.status),
-1);
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception (ACE_TEXT ("Caught unexpected exception:"));
return -1;
}
// Wait for all spawned viewers to exit.
ACE_Process_Manager::instance ()->wait ();
return 0;
}
Web_Server::Iterator_Factory_ptr
get_iterator (CORBA::ORB_ptr o)
{
CORBA::ORB_var orb = CORBA::ORB::_duplicate (o);
// Get a reference to the Name Service.
CORBA::Object_var obj =
orb->resolve_initial_references ("NameService");
// Narrow to a Naming Context
CosNaming::NamingContext_var nc =
CosNaming::NamingContext::_narrow (obj.in ());
if (CORBA::is_nil (obj.in ()))
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Nil reference to Name Service\n")));
return Web_Server::Iterator_Factory::_nil ();
}
// Create a name.
CosNaming::Name name;
name.length (1);
name[0].id = CORBA::string_dup ("Push_Iterator_Factory");
name[0].kind = CORBA::string_dup ("");
obj = nc->resolve (name);
Web_Server::Iterator_Factory_ptr factory =
Web_Server::Iterator_Factory::_narrow (obj.in ());
return factory;
}
void invoke_requests (int argc,
ACE_TCHAR *argv[],
int *request_count,
Web_Server::Iterator_Factory_ptr f)
{
Web_Server::Iterator_Factory_var factory =
Web_Server::Iterator_Factory::_duplicate (f);
// Activate and run the reply handlers.
for (int i = 0;
i < argc - 1; // Don't include the program name.
++i)
{
Push_Iterator_Handler *handler = 0;
ACE_NEW_THROW_EX (handler,
Push_Iterator_Handler,
CORBA::NO_MEMORY ());
// Transfer ownership to the POA.
PortableServer::ServantBase_var tmp (handler);
// This ends up being an AMI call, so it won't block.
handler->run (request_count,
argv[i + 1],
factory.in ());
}
}
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