// $Id$

#include "orbsvcs/Log_Macros.h"
#include "orbsvcs/Notify/CosNotify_Service.h"
#include "orbsvcs/Notify/Properties.h"
#include "orbsvcs/Notify/Default_Factory.h"
#include "orbsvcs/Notify/Builder.h"
#include "orbsvcs/Notify/EventChannel.h"
#include "ace/Sched_Params.h"
#include "ace/Arg_Shifter.h"
#include "ace/Dynamic_Service.h"
#include "tao/ORB_Core.h"
#include "orbsvcs/NotifyExtC.h"
#include "tao/debug.h"

TAO_BEGIN_VERSIONED_NAMESPACE_DECL

TAO_CosNotify_Service::TAO_CosNotify_Service (void)
{
}

TAO_CosNotify_Service::~TAO_CosNotify_Service (void)
{
}

int
TAO_CosNotify_Service::init (int argc, ACE_TCHAR *argv[])
{
  ACE_Arg_Shifter arg_shifter (argc, argv);

  const ACE_TCHAR *current_arg = 0;

  // Default to an all reactive system.
  int ec_threads = 0;
  int consumer_threads = 0;
  int supplier_threads = 0;

  bool task_per_proxy = false;

  TAO_Notify_Properties *properties = TAO_Notify_PROPERTIES::instance();

  while (arg_shifter.is_anything_left ())
    {
      if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-MTDispatching")) == 0)
        {
          arg_shifter.consume_arg ();
          ORBSVCS_DEBUG ((LM_DEBUG,
                      ACE_TEXT ("(%P|%t) The -MTDispatching option has been deprecated, use -DispatchingThreads\n")));
        }
      else if (0 != (current_arg = arg_shifter.get_the_parameter (ACE_TEXT("-DispatchingThreads"))))
        {
          consumer_threads += ACE_OS::atoi (current_arg);
          arg_shifter.consume_arg ();
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-MTSourceEval")) == 0)
        {
          arg_shifter.consume_arg ();
          ORBSVCS_DEBUG ((LM_DEBUG,
                      ACE_TEXT ("(%P|%t) The -MTSourceEval option has been deprecated, use -SourceThreads\n")));
        }
      else if (0 != (current_arg = arg_shifter.get_the_parameter (ACE_TEXT("-SourceThreads"))))
        {
          supplier_threads += ACE_OS::atoi (current_arg);
          arg_shifter.consume_arg ();
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-MTLookup")) == 0)
        {
          arg_shifter.consume_arg ();
          ORBSVCS_DEBUG ((LM_DEBUG,
                      ACE_TEXT ("(%P|%t) The -MTLookup option has been deprecated, use -SourceThreads\n")));
        }
      else if (0 != (current_arg = arg_shifter.get_the_parameter (ACE_TEXT("-LookupThreads"))))
        {
          supplier_threads += ACE_OS::atoi (current_arg);
          arg_shifter.consume_arg ();
          ORBSVCS_DEBUG ((LM_DEBUG,
                      ACE_TEXT ("(%P|%t) The -LookupThreads option has been deprecated, use -SourceThreads\n")));
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-MTListenerEval")) == 0)
        {
          arg_shifter.consume_arg ();
          ORBSVCS_DEBUG ((LM_DEBUG,
                      ACE_TEXT ("(%P|%t) The -MTListenerEval option has been deprecated, use -DispatchingThreads\n")));
        }
      else if (0 != (current_arg = arg_shifter.get_the_parameter (ACE_TEXT("-ListenerThreads"))))
        {
          // Since this option is always added to consumer_threads, we'll
          // deprecate it in favor of that option.
          ORBSVCS_DEBUG ((LM_DEBUG,
                      ACE_TEXT ("(%P|%t) The -ListenerThreads option has been deprecated, use -DispatchingThreads\n")));
          consumer_threads += ACE_OS::atoi (current_arg);
          arg_shifter.consume_arg ();
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-AsynchUpdates")) == 0)
        {
          arg_shifter.consume_arg ();

          properties->asynch_updates (1);
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-NoUpdates")) == 0)
        {
          arg_shifter.consume_arg ();

          properties->updates (0);
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-AllocateTaskperProxy")) == 0)
        {
          task_per_proxy = true;
          arg_shifter.consume_arg ();
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-UseSeparateDispatchingORB")) == 0)
        {
          current_arg = arg_shifter.get_the_parameter
                                (ACE_TEXT("-UseSeparateDispatchingORB"));
          if (current_arg != 0 &&
              (ACE_OS::strcmp(ACE_TEXT ("0"), current_arg) == 0 ||
               ACE_OS::strcmp(ACE_TEXT ("1"), current_arg) == 0))
            {
              properties->separate_dispatching_orb (
                            static_cast<bool> (ACE_OS::atoi(current_arg)));
              ORBSVCS_DEBUG ((LM_DEBUG,
                          ACE_TEXT ("Using separate Dispatching ORB\n")));
            }
          else
            {
              ORBSVCS_DEBUG ((LM_DEBUG,
                          ACE_TEXT ("(%P|%t) WARNING: Unrecognized ")
                          ACE_TEXT ("argument (%s).  Ignoring invalid ")
                          ACE_TEXT ("-UseSeparateDispatchingORB usage.\n"),
                          (current_arg == 0 ? ACE_TEXT ("''") : current_arg)));
            }
          if (current_arg != 0)
            arg_shifter.consume_arg ();
        }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-AllowReconnect")) == 0)
      {
        arg_shifter.consume_arg ();
        TAO_Notify_PROPERTIES::instance()->allow_reconnect (true);
      }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-DefaultConsumerAdminFilterOp")) == 0)
      {
        current_arg = arg_shifter.get_the_parameter
                      (ACE_TEXT("-DefaultConsumerAdminFilterOp"));
        CosNotifyChannelAdmin::InterFilterGroupOperator op = CosNotifyChannelAdmin::OR_OP;
        if (current_arg != 0 && (ACE_OS::strcmp(ACE_TEXT ("AND"), current_arg) == 0))
                      op = CosNotifyChannelAdmin::AND_OP;
        else if (current_arg != 0 && (ACE_OS::strcmp(ACE_TEXT ("OR"), current_arg) == 0))
                      op = CosNotifyChannelAdmin::OR_OP;
        else
          {
            ORBSVCS_DEBUG ((LM_DEBUG,
                        ACE_TEXT ("(%P|%t) WARNING: Unrecognized ")
                        ACE_TEXT ("argument (%s).  Ignoring invalid ")
                        ACE_TEXT ("-DefaultConsumerAdminFilterOp usage.\n"),
                        (current_arg == 0 ? ACE_TEXT ("''") : current_arg)));
          }
        properties->defaultConsumerAdminFilterOp (op);
        arg_shifter.consume_arg ();
      }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-DefaultSupplierAdminFilterOp")) == 0)
      {
        current_arg = arg_shifter.get_the_parameter
                      (ACE_TEXT("-DefaultSupplierAdminFilterOp"));
        CosNotifyChannelAdmin::InterFilterGroupOperator op = CosNotifyChannelAdmin::OR_OP;
        if (current_arg != 0 && (ACE_OS::strcmp(ACE_TEXT ("AND"), current_arg) == 0))
                      op = CosNotifyChannelAdmin::AND_OP;
        else if (current_arg != 0 && (ACE_OS::strcmp(ACE_TEXT ("OR"), current_arg) == 0))
                      op = CosNotifyChannelAdmin::OR_OP;
        else
          {
            ORBSVCS_DEBUG ((LM_DEBUG,
                        ACE_TEXT ("(%P|%t) WARNING: Unrecognized ")
                        ACE_TEXT ("argument (%s).  Ignoring invalid ")
                        ACE_TEXT ("-DefaultSupplierAdminFilterOp usage.\n"),
                        (current_arg == 0 ? ACE_TEXT ("''") : current_arg)));
          }
        properties->defaultSupplierAdminFilterOp (op);
        arg_shifter.consume_arg ();
      }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-ValidateClient")) == 0)
      {
        arg_shifter.consume_arg ();
        TAO_Notify_PROPERTIES::instance()->validate_client (true);
        ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("Using reactive client control.\n")));
      }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-ValidateClientDelay")) == 0)
      {
        current_arg = arg_shifter.get_the_parameter (ACE_TEXT("-ValidateClientDelay"));
        if (current_arg != 0)
        {
          ACE_Time_Value tv (ACE_OS::atoi (current_arg));
          TAO_Notify_PROPERTIES::instance()->validate_client_delay (tv);
        }
        else
        {
          ORBSVCS_DEBUG ((LM_DEBUG,
            ACE_TEXT ("(%P|%t) WARNING: Unrecognized ")
            ACE_TEXT ("argument (%s).  Ignoring invalid ")
            ACE_TEXT ("-ValidateClientDelay usage.\n"),
            (current_arg == 0 ? ACE_TEXT ("''") : current_arg)));
        }
        if (current_arg != 0)
          arg_shifter.consume_arg ();
      }
      else if (arg_shifter.cur_arg_strncasecmp (ACE_TEXT("-ValidateClientInterval")) == 0)
      {
        current_arg = arg_shifter.get_the_parameter (ACE_TEXT("-ValidateClientInterval"));
        if (current_arg != 0)
        {
          ACE_Time_Value tv (ACE_OS::atoi (current_arg));
          TAO_Notify_PROPERTIES::instance()->validate_client_interval (tv);
        }
        else
        {
          ORBSVCS_DEBUG ((LM_DEBUG,
            ACE_TEXT ("(%P|%t) WARNING: Unrecognized ")
            ACE_TEXT ("argument (%s).  Ignoring invalid ")
            ACE_TEXT ("-ValidateClientDelay usage.\n"),
            (current_arg == 0 ? ACE_TEXT ("''") : current_arg)));
        }
        if (current_arg != 0)
          arg_shifter.consume_arg ();
      }
      else
      {
        ORBSVCS_ERROR ((LM_ERROR,
                    ACE_TEXT ("(%P|%t) Ignoring unknown option for Notify Factory: %s\n"),
                    arg_shifter.get_current()
          ));
        arg_shifter.consume_arg ();
      }
    }

  // Init the EC QoS
  {
    CosNotification::QoSProperties qos;
    this->set_threads (qos, ec_threads);
    properties->default_event_channel_qos_properties (qos);
  }

  if (!task_per_proxy)
    {
      // Set the per ConsumerAdmin QoS
      {
        if (consumer_threads > 0)
          ORBSVCS_DEBUG((LM_DEBUG, "Using %d threads for each ConsumerAdmin.\n", consumer_threads));
        CosNotification::QoSProperties qos;
        this->set_threads (qos, consumer_threads);
        properties->default_consumer_admin_qos_properties (qos);
      }

      // Set the per SupplierAdmin QoS
      {
        if (supplier_threads > 0)
          ORBSVCS_DEBUG((LM_DEBUG, "Using %d threads for each SupplierAdmin.\n", supplier_threads));
        CosNotification::QoSProperties qos;
        this->set_threads (qos, supplier_threads);
        properties->default_supplier_admin_qos_properties (qos);
      }
    }
  else
    {
      // Set the per ProxyConsumer QoS
      {
        if (supplier_threads > 0)
          ORBSVCS_DEBUG((LM_DEBUG, "Using %d threads for each Supplier.\n", supplier_threads));
        CosNotification::QoSProperties qos;
        this->set_threads (qos, supplier_threads); // lookup thread per proxy doesn't make sense.
        properties->default_proxy_consumer_qos_properties (qos);
      }

      // Set the per ProxySupplier QoS
      {
        if (consumer_threads > 0)
          ORBSVCS_DEBUG((LM_DEBUG, "Using %d threads for each Consumer.\n", consumer_threads));
        CosNotification::QoSProperties qos;
        this->set_threads (qos, consumer_threads);
        properties->default_proxy_supplier_qos_properties (qos);
      }
    }

  return 0;
}

void
TAO_CosNotify_Service::set_threads (CosNotification::QoSProperties &qos, int threads)
{
  NotifyExt::ThreadPoolParams tp_params =
    {NotifyExt::CLIENT_PROPAGATED, 0, 0, (unsigned)threads, 0, 0, 0, 0, 0 };

  qos.length (1);
  qos[0].name = CORBA::string_dup (NotifyExt::ThreadPool);
  qos[0].value <<= tp_params;
}

int
TAO_CosNotify_Service::fini (void)
{
  if (TAO_Notify_PROPERTIES::instance()->separate_dispatching_orb())
    {
      if (!CORBA::is_nil (TAO_Notify_PROPERTIES::instance()->dispatching_orb()))
        {
          CORBA::ORB_var dispatcher =
            TAO_Notify_PROPERTIES::instance()->dispatching_orb();
          dispatcher->shutdown ();
          dispatcher->destroy ();
        }
    }

  TAO_Notify_Properties::instance()->close ();
  return 0;
}

void
TAO_CosNotify_Service::init_service (CORBA::ORB_ptr orb)
{
  ORBSVCS_DEBUG ((LM_DEBUG, "Loading the Cos Notification Service...\n"));

  if (TAO_Notify_PROPERTIES::instance()->separate_dispatching_orb())
    {
      // got here by way of svc.conf. no second orb supplied so create one
      if (CORBA::is_nil (TAO_Notify_PROPERTIES::instance()->dispatching_orb()))
        {
          ORBSVCS_DEBUG ((LM_DEBUG, "No dispatching orb supplied. Creating default one.\n"));

          int argc = 0;
          ACE_TCHAR *argv0 = 0;
          ACE_TCHAR **argv = &argv0;  // ansi requires argv be null terminated.
          CORBA::ORB_var dispatcher = CORBA::ORB_init (argc, argv,
                                                       "default_dispatcher");

          TAO_Notify_PROPERTIES::instance()->dispatching_orb(dispatcher.in());
        }

      this->init_i2 (orb, TAO_Notify_PROPERTIES::instance()->dispatching_orb());

    }
  else
    {
      this->init_i (orb);
    }
}

void
TAO_CosNotify_Service::init_service2 (CORBA::ORB_ptr orb, CORBA::ORB_ptr dispatching_orb)
{
  this->init_i2 (orb, dispatching_orb);
}

void
TAO_CosNotify_Service::finalize_service (
                   CosNotifyChannelAdmin::EventChannelFactory_ptr factory)
{
  // Get out early if we can
  if (CORBA::is_nil (factory))
    return;

  // Make sure the factory doesn't go away while we're in here
  CosNotifyChannelAdmin::EventChannelFactory_var ecf =
    CosNotifyChannelAdmin::EventChannelFactory::_duplicate (factory);

  // Find all the consumer admin objects and shutdown the worker tasks
  CosNotifyChannelAdmin::ChannelIDSeq_var channels =
    ecf->get_all_channels ();
  CORBA::ULong length = channels->length ();
  for(CORBA::ULong i = 0; i < length; i++)
    {
      try
        {
          CosNotifyChannelAdmin::EventChannel_var ec =
            ecf->get_event_channel (channels[i]);
          if (!CORBA::is_nil (ec.in ()))
            {
              TAO_Notify_EventChannel* nec =
                dynamic_cast<TAO_Notify_EventChannel*> (ec->_servant ());
              if (nec != 0)
                nec->destroy ();
            }
        }
      catch (const CORBA::Exception&)
        {
          // We're shutting things down, so ignore exceptions
        }
    }

  TAO_Notify_EventChannelFactory* necf =
    dynamic_cast<TAO_Notify_EventChannelFactory*> (ecf->_servant ());

  if (necf != 0)
    necf->stop_validator();
}

void
TAO_CosNotify_Service::init_i (CORBA::ORB_ptr orb)
{
  // Obtain the Root POA
  CORBA::Object_var object  =
    orb->resolve_initial_references("RootPOA");

  if (CORBA::is_nil (object.in ()))
    ORBSVCS_ERROR ((LM_ERROR,
                " (%P|%t) Unable to resolve the RootPOA.\n"));

  PortableServer::POA_var default_poa = PortableServer::POA::_narrow (object.in ());

  // Set the properties
  TAO_Notify_Properties* properties = TAO_Notify_PROPERTIES::instance();

  properties->orb (orb);
  properties->default_poa (default_poa.in ());

  // Init the factory
  this->factory_.reset (this->create_factory ());
  ACE_ASSERT( this->factory_.get() != 0 );
  TAO_Notify_PROPERTIES::instance()->factory (this->factory_.get());

  this->builder_.reset (this->create_builder ());
  ACE_ASSERT( this->builder_.get() != 0 );
  TAO_Notify_PROPERTIES::instance()->builder (this->builder_.get());
}

void
TAO_CosNotify_Service::init_i2 (CORBA::ORB_ptr orb, CORBA::ORB_ptr dispatching_orb)
{
  // Obtain the Root POA
  CORBA::Object_var object  =
    orb->resolve_initial_references("RootPOA");

  if (CORBA::is_nil (object.in ()))
    ORBSVCS_ERROR ((LM_ERROR, " (%P|%t) Unable to resolve the RootPOA.\n"));

  PortableServer::POA_var default_poa = PortableServer::POA::_narrow (object.in ());

  // Set the properties
  TAO_Notify_Properties* properties = TAO_Notify_PROPERTIES::instance();

  properties->orb (orb);
  properties->dispatching_orb (dispatching_orb);
  properties->separate_dispatching_orb (true);

  properties->default_poa (default_poa.in ());

  // Init the factory and builder
  this->factory_.reset (this->create_factory ());
  ACE_ASSERT( this->factory_.get() != 0 );
  TAO_Notify_PROPERTIES::instance()->factory (this->factory_.get());

  this->builder_.reset (this->create_builder ());
  ACE_ASSERT( this->builder_.get() != 0 );
  TAO_Notify_PROPERTIES::instance()->builder (this->builder_.get());
}

TAO_Notify_Factory*
TAO_CosNotify_Service::create_factory (void)
{
  TAO_Notify_Factory* factory = ACE_Dynamic_Service<TAO_Notify_Factory>::instance ("TAO_Notify_Factory");
  if (factory == 0)
    {
       ACE_NEW_THROW_EX (factory,
                         TAO_Notify_Default_Factory (),
                         CORBA::NO_MEMORY ());
    }
  return factory;
}

TAO_Notify_Builder*
TAO_CosNotify_Service::create_builder (void)
{
  TAO_Notify_Builder* builder = 0;
  ACE_NEW_THROW_EX (builder,
                    TAO_Notify_Builder (),
                    CORBA::NO_MEMORY ());

  return builder;
}

CosNotifyChannelAdmin::EventChannelFactory_ptr
TAO_CosNotify_Service::create (PortableServer::POA_ptr poa,
                               const char* factory_name)
{
  return this->builder().build_event_channel_factory (poa, factory_name);
}

void
TAO_CosNotify_Service::remove (TAO_Notify_EventChannelFactory* /*ecf*/)
{
  // NOP.
}

TAO_Notify_Factory&
TAO_CosNotify_Service::factory (void)
{
  ACE_ASSERT( this->factory_.get() != 0 );
  return *this->factory_;
}

TAO_Notify_Builder&
TAO_CosNotify_Service::builder (void)
{
  ACE_ASSERT( this->builder_.get() != 0 );
  return *this->builder_;
}

TAO_END_VERSIONED_NAMESPACE_DECL

/*********************************************************************************************************************/

ACE_STATIC_SVC_DEFINE (TAO_Notify_Default_EMO_Factory_OLD,
                       ACE_TEXT (TAO_NOTIFY_DEF_EMO_FACTORY_NAME),
                       ACE_SVC_OBJ_T,
                       &ACE_SVC_NAME (TAO_CosNotify_Service),
                       ACE_Service_Type::DELETE_THIS | ACE_Service_Type::DELETE_OBJ,
                       0)

/*********************************************************************************************************************/

ACE_STATIC_SVC_DEFINE (TAO_CosNotify_Service,
                       ACE_TEXT (TAO_COS_NOTIFICATION_SERVICE_NAME),
                       ACE_SVC_OBJ_T,
                       &ACE_SVC_NAME (TAO_CosNotify_Service),
                       ACE_Service_Type::DELETE_THIS | ACE_Service_Type::DELETE_OBJ,
                       0)


ACE_FACTORY_DEFINE (TAO_Notify_Serv, TAO_CosNotify_Service)

/*********************************************************************************************************************/
