ft_replicafactory_i.cpp

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    ACE_CATCHANY
    {
      if (this->test_output_file_ == 0) // ignore if this is a test run
      {
        ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
          "ReplicaFactory: Exception resolving ReplicationManager. Factory will not be registered.\n" );
      }
    }
    ACE_ENDTRY;

  }

  if ( ! CORBA::is_nil (this->factory_registry_.in ()))
  {
    size_t roleCount = roles_.size();
    for (size_t nRole = 0; nRole < roleCount; ++nRole)
    {
      const char * roleName = this->roles_[nRole].c_str();

      PortableGroup::FactoryInfo info;
      info.the_factory = ::PortableGroup::GenericFactory::_narrow(this_obj.in ());
      info.the_location.length(1);
      info.the_location[0].id = CORBA::string_dup(this->location_);
      info.the_criteria.length(1);
      info.the_criteria[0].nam.length(1);
      info.the_criteria[0].nam[0].id = CORBA::string_dup(PortableGroup::role_criterion);
      info.the_criteria[0].val <<= CORBA::string_dup(roleName);

      ACE_ERROR (( LM_INFO,
         "Factory: %s@%s registering with factory registry\n",
         roleName,
         location_
         ));

      this->factory_registry_->register_factory(
        roleName,
        FT_TEST::_tc_TestReplica->id(),
        info
        ACE_ENV_ARG_PARAMETER);
      ACE_CHECK_RETURN (-1);
    }
    this->registered_ = 1;
  }

  int identified = 0; // bool

  if (this->roles_.size() > 0)
  {
    this->identity_ = "Factory";
    if (this->location_ != 0)
    {
      this->identity_ += "@";
      this->identity_ += this->location_;
    }
    identified = 1;
  }

  if (this->ior_output_file_ != 0)
  {
    if (!identified)
    {
      this->identity_ = "file:";
      this->identity_ += this->ior_output_file_;
      // note: don't set identified--ns identity overrides file identitiy
    }
    result = write_ior (this->ior_output_file_, this->ior_);
  }
  else
  {
    if (this->registered_)
    {
      // if we didn't register with a FactoryRegistry
      // and no IOR file specified,
      // then always try to register with name service
      this->ns_name_ = "FT_ReplicaFactory";
    }
  }

  if (this->ns_name_ != 0)
  {
    if (!identified)
    {
      this->identity_ = "name:";
      this->identity_ += this->ns_name_;
    }

    CORBA::Object_var naming_obj =
      this->orb_->resolve_initial_references ("NameService" ACE_ENV_ARG_PARAMETER);
    ACE_CHECK_RETURN (-1);

    if (CORBA::is_nil(naming_obj.in ())){
      ACE_ERROR_RETURN ((LM_ERROR,
                         "%T %n (%P|%t) Unable to find the Naming Service\n"),
                        1);
    }

    this->naming_context_ =
      CosNaming::NamingContext::_narrow (naming_obj.in () ACE_ENV_ARG_PARAMETER);
    ACE_CHECK_RETURN (-1);

    this->this_name_.length (1);
    this->this_name_[0].id = CORBA::string_dup (this->ns_name_);

    this->naming_context_->rebind (this->this_name_, this_obj.in()  // CORBA::Object::_duplicate(this_obj)
                            ACE_ENV_ARG_PARAMETER);
    ACE_CHECK_RETURN (-1);
  }

  // if we're testing.  Create a replica at startup time
  if (this->test_output_file_ != 0)
  {
    // shouldn't be necessary, but create_replica assumes this
    InternalGuard guard (this->internals_);
    FT_TestReplica_i * replica = create_replica ("test");

    PortableServer::POA_var poa = replica->_default_POA (ACE_ENV_SINGLE_ARG_PARAMETER);
    ACE_CHECK_RETURN (-1);
    ::CORBA::Object_var replica_obj = poa->servant_to_reference(replica ACE_ENV_ARG_PARAMETER);
    ACE_CHECK_RETURN (-1);
    ::CORBA::String_var replicaIOR = this->orb_->object_to_string(replica_obj.in () ACE_ENV_ARG_PARAMETER);
    ACE_CHECK_RETURN (-1);
    write_ior (this->test_output_file_, replicaIOR);
  }

  return result;
}

int FT_ReplicaFactory_i::fini (ACE_ENV_SINGLE_ARG_DECL)
{
  if (this->ior_output_file_ != 0)
  {
    ACE_OS::unlink (this->ior_output_file_);
    this->ior_output_file_ = 0;
  }
  if (this->ns_name_ != 0)
  {
    this->naming_context_->unbind (this_name_
                            ACE_ENV_ARG_PARAMETER);
  ACE_CHECK_RETURN (-1);
    this->ns_name_ = 0;
  }

  if (registered_)
  {
    registered_ = 0;

    if (this->unregister_by_location_)
    {
      ACE_ERROR (( LM_INFO,
         "%s: unregistering all factories at %s\n",
         identity(),
         location_
         ));

      PortableGroup::Location location(1);
      location.length(1);
      location[0].id = CORBA::string_dup(location_);
      this->factory_registry_->unregister_factory_by_location (
              location
        ACE_ENV_ARG_PARAMETER);
      ACE_CHECK_RETURN (-1);
    }
    else
    {
      size_t roleCount = roles_.size();
      for (size_t nRole = 0; nRole < roleCount; ++nRole)
      {
        const char * roleName = this->roles_[nRole].c_str();
        ACE_ERROR (( LM_INFO,
           "Factory for: %s@%s unregistering from factory registry\n",
           roleName,
           location_
           ));

        PortableGroup::Location location(1);
        location.length(1);
        location[0].id = CORBA::string_dup(location_);
        this->factory_registry_->unregister_factory (
                roleName,
                location
          ACE_ENV_ARG_PARAMETER);
        ACE_CHECK_RETURN (-1);
      }
    }
  }

  return 0;
}


void FT_ReplicaFactory_i::remove_replica(CORBA::ULong id, FT_TestReplica_i * replica)
{
  InternalGuard guard (this->internals_);
  if (id < this->replicas_.size())
  {
    if(this->replicas_[id] == replica)
    {
      replica->fini();
      delete replica;
      this->replicas_[id] = 0;
      this->empty_slots_ += 1;
    }
    else
    {
      ACE_ERROR (( LM_ERROR,
        "Remove replica %d mismatch.\n",
        ACE_static_cast(int, id)
        ));
    }
  }
  else
  {
    ACE_ERROR (( LM_ERROR,
      "Attempt to remove invalid replica %d. Limit %d.\n",
      ACE_static_cast(int, id),
      ACE_static_cast(int, this->replicas_.size())
      ));
  }
}

//////////////////////////////////////////
// FT_ReplicaFactory_i CORBA methods

CORBA::Object_ptr FT_ReplicaFactory_i::create_object (
    const char * type_id,
    const PortableGroup::Criteria & the_criteria,
    PortableGroup::GenericFactory::FactoryCreationId_out factory_creation_id
    ACE_ENV_ARG_DECL
  )
  ACE_THROW_SPEC ((
    CORBA::SystemException
    , PortableGroup::NoFactory
    , PortableGroup::ObjectNotCreated
    , PortableGroup::InvalidCriteria
    , PortableGroup::InvalidProperty
    , PortableGroup::CannotMeetCriteria
  ))
{
  METHOD_ENTRY(FT_ReplicaFactory_i::create_object);
  ACE_UNUSED_ARG (type_id);
  InternalGuard guard (this->internals_);

  ::TAO::PG_Property_Set decoder (the_criteria);

  // boolean, becomes true if a required parameter is missing
  int missingParameter = 0;
  const char * missingParameterName = 0;

  CORBA::Long initialValue = 0;
  if (! ::TAO::find (decoder, criterion_initial_value, initialValue) )
  {
    // not required.  Otherwise:
    // missingParameter = 1;
    // missingParameterName = criterion_initial_value;
  }

  const char * role = "replica";
  if (! ::TAO::find (decoder, PortableGroup::role_criterion, role) )
  {
    ACE_ERROR((LM_INFO,
      "Property \"%s\" not found?\n", PortableGroup::role_criterion
      ));
    // not required.  Otherwise:
    // missingParameter = 1;
    // missingParameterName = PortableGroup::role_criterion;
  }

  if (missingParameter)
  {
    ACE_ERROR ((LM_ERROR,
      "Throwing 'InvalidCriteria' due to missing %s\n",
      missingParameterName
      ));
    ACE_THROW ( PortableGroup::InvalidCriteria() );
  }

  FT_TestReplica_i * replica = create_replica(role);
  if (replica == 0)
  {
    ACE_ERROR ((LM_ERROR,
      "New Replica_i returned NULL.  Throwing ObjectNotCreated.\n"
      ));
    ACE_THROW ( PortableGroup::ObjectNotCreated() );
  }

  ACE_NEW_THROW_EX ( factory_creation_id,
    PortableGroup::GenericFactory::FactoryCreationId,
    PortableGroup::ObjectNotCreated());
  CORBA::ULong factory_id = replica->factory_id();
  (*factory_creation_id) <<= factory_id;

  ACE_ERROR ((LM_INFO,
    "Created %s@%s#%d.\n", role, this->location_, ACE_static_cast(int, factory_id)
    ));


  ::CORBA::Object_ptr replica_obj = replica->_default_POA()->servant_to_reference(replica);
  METHOD_RETURN(FT_ReplicaFactory_i::create_object) replica_obj->_duplicate(replica_obj ACE_ENV_ARG_PARAMETER);
}

FT_TestReplica_i * FT_ReplicaFactory_i::create_replica(const char * name)
{
  // assume mutex is locked
  CORBA::ULong factoryId = allocate_id();

  FT_TestReplica_i * pFTReplica = 0;

  ACE_NEW_NORETURN(pFTReplica, FT_TestReplica_i(
    this,
    name,
    factoryId
    ));

  this->replicas_[factoryId] = pFTReplica;
  this->empty_slots_ -= 1;

  pFTReplica->init (this->orb_ ACE_ENV_ARG_PARAMETER);
  return pFTReplica;
}

void FT_ReplicaFactory_i::delete_object (
    const PortableGroup::GenericFactory::FactoryCreationId & factory_creation_id
    ACE_ENV_ARG_DECL
  )
  ACE_THROW_SPEC ((
    CORBA::SystemException
    , PortableGroup::ObjectNotFound
  ))
{
  METHOD_ENTRY(FT_ReplicaFactory_i::delete_object);

  InternalGuard guard (this->internals_);

  CORBA::ULong factoryId;
  factory_creation_id >>= factoryId;
  if (factoryId < this->replicas_.size())
  {
    if(this->replicas_[factoryId] != 0)
    {
      this->replicas_[factoryId]->request_quit();
    }
    else
    {
      ACE_THROW(::PortableGroup::ObjectNotFound());
    }
  }
  else
  {
    ACE_THROW(::PortableGroup::ObjectNotFound());
  }
  METHOD_RETURN(FT_ReplicaFactory_i::delete_object);
}

CORBA::Boolean FT_ReplicaFactory_i::is_alive (ACE_ENV_SINGLE_ARG_DECL)
  ACE_THROW_SPEC ((CORBA::SystemException))
{
  METHOD_RETURN(FT_ReplicaFactory_i::is_alive)
    1;
}

void FT_ReplicaFactory_i::shutdown (ACE_ENV_SINGLE_ARG_DECL)
  ACE_THROW_SPEC ((
    CORBA::SystemException
  ))
{
  METHOD_ENTRY(FT_FaultDetectorFactory_i::shutdown);
  InternalGuard guard (this->internals_);
  shutdown_i ();
  this->quit_requested_ = 1;
  METHOD_RETURN(FT_FaultDetectorFactory_i::shutdown);
}


///////////////////////////////////
// Template instantiation for
// competence-challenged compilers.

#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
  template class ACE_Vector<FT_TestReplica_i *>;
  template class ACE_Guard<ACE_Mutex>;
  template class ACE_Vector<ACE_CString>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
# pragma instantiate ACE_Vector<FT_TestReplica_i *>
# pragma instantiate ACE_Guard<ACE_Mutex>
# pragma instantiate ACE_Vector<ACE_CString>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */