// $Id: PortableGroup_Acceptor_Registry.cpp 91677 2010-09-08 19:18:49Z johnnyw $

#include "orbsvcs/PortableGroup/PortableGroup_Acceptor_Registry.h"
#include "tao/ORB_Core.h"
#include "tao/Profile.h"
#include "tao/Protocol_Factory.h"
#include "tao/GIOP_Message_State.h"
#include "tao/debug.h"
#include "tao/Endpoint.h"
#include "tao/Thread_Lane_Resources.h"
#include "tao/Leader_Follower.h"
#include "tao/SystemException.h"

TAO_BEGIN_VERSIONED_NAMESPACE_DECL

TAO_PortableGroup_Acceptor_Registry::TAO_PortableGroup_Acceptor_Registry (void)
{
}

TAO_PortableGroup_Acceptor_Registry::~TAO_PortableGroup_Acceptor_Registry (void)
{
  // Free the memory for the endpoints.
  Entry *entry;
  Acceptor_Registry_Iterator iter (this->registry_);

  while (iter.next (entry))
    {
      delete entry->endpoint;
      delete entry->acceptor;
      iter.advance ();
    }
}


void
TAO_PortableGroup_Acceptor_Registry::open (const TAO_Profile* profile,
                                           TAO_ORB_Core &orb_core)
{
  Entry *entry;

  if (this->find (profile, entry) == 1)
    {
      // Found it.  Increment the reference count.
      ++entry->cnt;
    }
  else
    {
      // Not found.  Open a new acceptor.

      // Now get the list of available protocol factories.
      TAO_ProtocolFactorySetItor end =
        orb_core.protocol_factories ()->end ();

      // int found = 0;
      // If usable protocol (factory) is found then this will be
      // set equal to 1.

      for (TAO_ProtocolFactorySetItor factory =
             orb_core.protocol_factories ()->begin ();
           factory != end;
           ++factory)
        {
          if ((*factory)->factory ()->tag () == profile->tag ())
            {
              this->open_i (profile,
                            orb_core,
                            factory);

              // found = 1;  // A usable protocol was found.
            }
          else
            continue;
        }
    }
}

#define MAX_ADDR_LENGTH   (32)

void
TAO_PortableGroup_Acceptor_Registry::open_i (const TAO_Profile* profile,
                                             TAO_ORB_Core &orb_core,
                                             TAO_ProtocolFactorySetItor &factory)
{
  TAO_Acceptor *acceptor = (*factory)->factory ()->make_acceptor ();

  if (acceptor != 0)
    {
      // Extract the desired endpoint/protocol version if one
      // exists.
      const TAO_GIOP_Message_Version &version = profile->version ();
      char buffer [MAX_ADDR_LENGTH];

      // Removed the constness of profile.  We're not changing
      // anything, but need to call a nonconst function.
      TAO_Profile* nc_profile = const_cast<TAO_Profile *> (profile);
      nc_profile->endpoint ()->addr_to_string (buffer, MAX_ADDR_LENGTH);

      if (acceptor->open (&orb_core,
                          orb_core.lane_resources ().leader_follower ().reactor(),
                          version.major,
                          version.minor,
                          buffer,
                          0) == -1)
        {
          delete acceptor;

          if (TAO_debug_level > 0)
            ACE_ERROR ((LM_ERROR,
                        ACE_TEXT ("TAO (%P|%t) ")
                        ACE_TEXT ("unable to open acceptor ")
                        ACE_TEXT ("for <%s>%p\n"),
                        buffer,
                        ""));

          throw CORBA::BAD_PARAM (
            CORBA::SystemException::_tao_minor_code (
              TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE,
              EINVAL),
            CORBA::COMPLETED_NO);
        }

      // Add acceptor to list.
      Entry tmp_entry;
      tmp_entry.acceptor = acceptor;
      tmp_entry.endpoint = nc_profile->endpoint ()->duplicate ();
      tmp_entry.cnt = 1;

      if (this->registry_.enqueue_tail (tmp_entry) == -1)
        {
          delete acceptor;

          if (TAO_debug_level > 0)
            ACE_ERROR ((LM_ERROR,
                        ACE_TEXT ("TAO (%P|%t) ")
                        ACE_TEXT ("unable to add acceptor to registry")
                        ACE_TEXT ("for <%s>%p\n"),
                        buffer,
                        ""));

          throw CORBA::BAD_PARAM (
            CORBA::SystemException::_tao_minor_code (
              TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE,
              EINVAL),
            CORBA::COMPLETED_NO);
        }
    }
  else
    {
      if (TAO_debug_level > 0)
        ACE_ERROR ((LM_ERROR,
                    ACE_TEXT ("TAO (%P|%t) ")
                    ACE_TEXT ("unable to create acceptor ")
                    ));

      throw CORBA::BAD_PARAM (
        CORBA::SystemException::_tao_minor_code (
          TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE,
          EINVAL),
        CORBA::COMPLETED_NO);
    }
}

int
TAO_PortableGroup_Acceptor_Registry::find (const TAO_Profile* profile,
                                           Entry *&entry)
{
  Acceptor_Registry_Iterator iter (this->registry_);

  while (iter.next (entry))
    {
      // Since the endpoint routine is nonconst, need to
      // cast away the constness even though we're not
      // changing anything.
      TAO_Profile *nc_profile = const_cast<TAO_Profile *> (profile);
      if (entry->endpoint->is_equivalent (nc_profile->endpoint ()))
        return 1;

      iter.advance ();
   }

   return 0;
}

TAO_END_VERSIONED_NAMESPACE_DECL
