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// $Id$
#include "ace/Auto_Ptr.h"
#include "tao/corba.h"
#include "tao/Active_Object_Map.h"
ACE_RCSID(tao, Active_Object_Map, "$Id$")
#if !defined (__ACE_INLINE__)
# include "tao/Active_Object_Map.i"
#endif /* ! __ACE_INLINE__ */
TAO_Active_Object_Map::TAO_Active_Object_Map (int user_id_policy,
int unique_id_policy)
: unique_id_policy_ (unique_id_policy)
{
this->impl_ =
TAO_ORB_Core_instance ()->server_factory ()->create_active_object_map (user_id_policy);
this->reverse_impl_ =
TAO_ORB_Core_instance ()->server_factory ()->create_reverse_active_object_map (unique_id_policy);
}
int
TAO_Active_Object_Map_Impl::find (const PortableServer::Servant servant,
PortableServer::ObjectId &id)
{
auto_ptr<TAO_Active_Object_Map_Iterator_Impl> end (this->end ());
for (auto_ptr<TAO_Active_Object_Map_Iterator_Impl> i (this->begin ());
!i->done (end.get ());
i->advance ())
{
const TAO_Active_Object_Map_Entry &item = i->item ();
if (!this->is_free (item))
{
if (item.servant_ == servant)
{
// Store the match....
id = item.id_;
return 0;
}
}
}
return -1;
}
PortableServer::ObjectId *
TAO_Dynamic_Hash_Active_Object_Map::create_object_id (PortableServer::Servant servant,
CORBA::Environment &env)
{
// This method assumes that locks are held when it is called
PortableServer::ObjectId *id;
CORBA::ULong size = sizeof (CORBA::ULong);
ACE_NEW_RETURN (id,
PortableServer::ObjectId (size),
0);
id->length (size);
ACE_OS::memcpy (id->get_buffer (),
&this->counter_,
size);
this->counter_++;
return id;
}
int
TAO_Linear_Active_Object_Map::bind (const PortableServer::ObjectId &id,
PortableServer::Servant servant)
{
// Check existing entries
for (TAO_Active_Object_Map_Entry *i = this->map_;
i != this->map_ + this->next_;
++i)
{
if (i->is_free_)
{
i->id_ = id;
i->servant_ = servant;
i->is_free_ = 0;
return 0;
}
}
// Resize
if (this->next_ == this->mapsize_)
{
int result = this->resize ();
if (result != 0)
return result;
}
// Put the entry at the end of the new section
this->map_[this->next_].id_ = id;
this->map_[this->next_].servant_ = servant;
this->map_[this->next_].is_free_ = 0;
// Increment next
this->next_++;
return 0;
}
int
TAO_Linear_Active_Object_Map::find (const PortableServer::ObjectId &id,
PortableServer::Servant &servant)
{
for (TAO_Active_Object_Map_Entry *i = this->map_;
i != this->map_ + this->next_;
++i)
{
if (i->is_free_)
continue;
else if (i->id_ == id)
{
servant = i->servant_;
return 0;
}
}
return -1;
}
int
TAO_Linear_Active_Object_Map::unbind (const PortableServer::ObjectId &id,
PortableServer::Servant &servant)
{
for (TAO_Active_Object_Map_Entry *i = this->map_;
i != this->map_ + this->next_;
++i)
{
if (i->is_free_)
continue;
else if (i->id_ == id)
{
servant = i->servant_;
i->is_free_ = 1;
return 0;
}
}
return -1;
}
int
TAO_Linear_Active_Object_Map::resize (void)
{
if (this->mapsize_ < TAO_Linear_Active_Object_Map::MAX_EXPONENTIAL)
this->mapsize_ *= 2;
else
this->mapsize_ += TAO_Linear_Active_Object_Map::LINEAR_INCREASE;
TAO_Active_Object_Map_Entry *tmp;
ACE_NEW_RETURN (tmp,
TAO_Active_Object_Map_Entry[this->mapsize_],
-1);
// Copy old stuff
for (TAO_Active_Object_Map_Entry *i = this->map_, *j = tmp;
i != this->map_ + this->next_;
++i, ++j)
*j = *i;
delete [] this->map_;
this->map_ = tmp;
return 0;
}
PortableServer::ObjectId *
TAO_Linear_Active_Object_Map::create_object_id (PortableServer::Servant servant,
CORBA::Environment &env)
{
PortableServer::ObjectId *id;
CORBA::ULong size = sizeof (CORBA::ULong);
ACE_NEW_RETURN (id,
PortableServer::ObjectId (size),
0);
id->length (size);
ACE_OS::memcpy (id->get_buffer (),
&this->counter_,
size);
this->counter_++;
return id;
}
int
TAO_Active_Demux_Active_Object_Map::bind (const PortableServer::ObjectId &id,
PortableServer::Servant servant)
{
CORBA::ULong index = 0;
CORBA::ULong generation = 0;
int result = this->parse_object_id (id, index, generation);
if (result != 0 ||
index > this->mapsize_ ||
this->map_[index].generation_ != generation ||
this->map_[index].is_free_ != 0)
return -1;
this->map_[index].servant_ = servant;
return 0;
}
int
TAO_Active_Demux_Active_Object_Map::find (const PortableServer::ObjectId &id,
PortableServer::Servant &servant)
{
CORBA::ULong index = 0;
CORBA::ULong generation = 0;
int result = this->parse_object_id (id, index, generation);
if (result != 0
|| index > this->mapsize_
|| this->map_[index].generation_ != generation
|| this->map_[index].is_free_ != 0)
return -1;
servant = this->map_[index].servant_;
return 0;
}
int
TAO_Active_Demux_Active_Object_Map::unbind (const PortableServer::ObjectId &id,
PortableServer::Servant &servant)
{
CORBA::ULong index = 0;
CORBA::ULong generation = 0;
int result = this->parse_object_id (id, index, generation);
if (result != 0 ||
index > this->mapsize_ ||
this->map_[index].generation_ != generation ||
this->map_[index].is_free_ != 0)
return -1;
servant = this->map_[index].servant_;
this->map_[index].is_free_ = 1;
return 0;
}
PortableServer::ObjectId *
TAO_Active_Demux_Active_Object_Map::create_object_id (PortableServer::Servant servant,
CORBA::Environment &env)
{
// This method assumes that locks are held when it is called
CORBA::ULong id_data[2];
CORBA::ULong index = this->next_free ();
id_data[TAO_Active_Demux_Active_Object_Map::INDEX_FIELD] = index;
// Increment generation count.
id_data[TAO_Active_Demux_Active_Object_Map::GENERATION_FIELD] =
++this->map_[index].generation_;
// Move next along if index is not reused
if (index == this->next_)
this->next_++;
PortableServer::ObjectId *id;
CORBA::ULong size = 2 * sizeof (CORBA::ULong);
ACE_NEW_RETURN (id,
PortableServer::ObjectId (size),
0);
id->length (size);
ACE_OS::memcpy (id->get_buffer (),
&id_data,
size);
// Set the new values
this->map_[index].id_ = *id;
this->map_[index].servant_ = servant;
this->map_[index].is_free_ = 0;
return id;
}
CORBA::ULong
TAO_Active_Demux_Active_Object_Map::next_free (void)
{
for (;;)
{
for (TAO_Active_Object_Map_Entry *i = this->map_;
i != this->map_ + this->mapsize_;
++i)
if (i->is_free_)
return i - this->map_;
this->resize ();
}
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Hash_Map_Iterator_Base_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Reverse_Iterator_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Manager_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Entry<PortableServer::ObjectId, PortableServer::Servant>;
template class ACE_Equal_To<PortableServer::ObjectId>;
template class ACE_Hash_Map_Iterator_Base_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Reverse_Iterator_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Manager_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Entry<PortableServer::Servant, PortableServer::ObjectId>;
template class ACE_Equal_To<PortableServer::Servant>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Hash_Map_Iterator_Base_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Reverse_Iterator_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Manager_Ex<PortableServer::ObjectId, PortableServer::Servant, TAO_ObjectId_Hash, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Entry<PortableServer::ObjectId, PortableServer::Servant>
#pragma instantiate ACE_Equal_To<PortableServer::ObjectId>
#pragma instantiate ACE_Hash_Map_Iterator_Base_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Reverse_Iterator_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Manager_Ex<PortableServer::Servant, PortableServer::ObjectId, TAO_Servant_Hash, ACE_Equal_To<PortableServer::Servant>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Entry<PortableServer::Servant, PortableServer::ObjectId>
#pragma instantiate ACE_Equal_To<PortableServer::Servant>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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