C++ cosnotifyfilter::Filter_var类代码示例

CosNotifyFilter::FilterID
ExtendedFilter::add_filter (CosNotifyFilter::FilterAdmin_ptr filter_admin)
{
  // setup a filter at the filter admin
  CosNotifyFilter::Filter_var filter =
    this->ffact_->create_filter ("ETCL");

  ACE_ASSERT (!CORBA::is_nil (filter.in ()));

  const char* test_filter_string = "A > B";

  CosNotifyFilter::ConstraintExpSeq constraint_list (1);
  constraint_list.length (1);

  constraint_list[0].event_types.length (0);
  constraint_list[0].constraint_expr = CORBA::string_dup (test_filter_string);

  filter->add_constraints (constraint_list);

  CosNotifyFilter::FilterID id = filter_admin->add_filter (filter.in ());

  // Print the ID
  if (TAO_debug_level)
    ACE_DEBUG ((LM_DEBUG, "Added Filter %d\n", id));

  return id;
}

void Consumer::setAntennaName(std::string antennaName) {
    //If the antenna name is already set, do nothing
    if (this->antennaName.compare("") != 0)
        return;
    this->antennaName = antennaName;
    if (antennaName.compare("") != 0) {
        std::cout << "Adding filter" << std::endl;
        CosNotifyFilter::FilterFactory_var filter_factory =
                notifyChannel_m->default_filter_factory();
        CosNotifyFilter::Filter_var filter = filter_factory->create_filter(
                "ETCL");
        if (CORBA::is_nil(filter)) {
            ACS_SHORT_LOG(
                    (LM_ERROR,"Consumer::createConsumer failed for the '%s' channel due the filter cannot be created!", channelName_mp));
        }
        CosNotifyFilter::ConstraintExpSeq constraint_list;
        constraint_list.length(1);
        constraint_list[0].event_types.length(0);
        std::string filter_expr = "$antenna_name == '" + antennaName + "'";
        std::cout << filter_expr << std::endl;
        constraint_list[0].constraint_expr = CORBA::string_dup(
                filter_expr.c_str());
        filter->add_constraints(constraint_list);
        proxySupplier_m->add_filter(filter.in());
    }
}

static CosNotifyChannelAdmin::ConsumerAdmin_ptr
create_consumeradmin (CosNotifyChannelAdmin::EventChannel_ptr ec)
{
  CosNotifyChannelAdmin::AdminID adminid = 0;
  CosNotifyChannelAdmin::ConsumerAdmin_var admin =
    ec->new_for_consumers (CosNotifyChannelAdmin::AND_OP,
                           adminid);


  if (filter)
    {
      ACE_DEBUG((LM_DEBUG, "\nConsumer filter enabled.\n"));

      CosNotifyFilter::FilterFactory_var ffact =
          ec->default_filter_factory ();

      CosNotifyFilter::Filter_var filter =
          ffact->create_filter (GRAMMAR);

      CosNotifyFilter::ConstraintExpSeq constraint_list (1);
      constraint_list.length (1);

      constraint_list[0].event_types.length (0);
      constraint_list[0].constraint_expr =
                                 CORBA::string_dup ("type == 'even'");

      filter->add_constraints (constraint_list);

      admin->add_filter (filter.in ());
    }

  return CosNotifyChannelAdmin::ConsumerAdmin::_duplicate (admin.in ());
}

void
TAO_Notify_Tests_Filter_Command::handle_destroy_filter (void)
{
  CosNotifyFilter::Filter_var filter;

  LOOKUP_MANAGER->resolve (filter, this->name_.c_str ());

  filter->destroy ();
}

::CosNotifyFilter::Filter_ptr TAO::FT_FaultNotifier_i::create_subscription_filter (
    const char * constraint_grammar
)
{
    METHOD_ENTRY(TAO::FT_FaultNotifier_i::create_subscription_filter);
    ACE_UNUSED_ARG (constraint_grammar); //@@todo

    CosNotifyFilter::Filter_var filter = this->filter_factory_->create_filter ("ETCL");
    METHOD_RETURN(TAO::FT_FaultNotifier_i::create_subscription_filter)
    filter._retn ();
}

/**
 * register this object
 */
int StubBatchConsumer::init (CORBA::ORB_ptr orb, ::FT::FaultNotifier_var & notifier)
{
  int result = 0;
  this->orb_ = CORBA::ORB::_duplicate (orb);
  this->notifier_ = notifier;
  this->identity_ = "StubBatchConsumer";


  // Use the ROOT POA for now
  CORBA::Object_var poa_object =
    this->orb_->resolve_initial_references (TAO_OBJID_ROOTPOA);

  if (CORBA::is_nil (poa_object.in ()))
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT (" (%P|%t) Unable to initialize the POA.\n")),
                      -1);

  // Get the POA .
  this->poa_ = PortableServer::POA::_narrow (poa_object.in ());


  if (CORBA::is_nil(this->poa_.in ()))
  {
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT (" (%P|%t) Unable to narrow the POA.\n")),
                      -1);
  }

  PortableServer::POAManager_var poa_manager =
    this->poa_->the_POAManager ();

  poa_manager->activate ();

  // Register with the POA.

  this->object_id_ = this->poa_->activate_object (this);

  // find my identity as an object

  CORBA::Object_var this_obj =
    this->poa_->id_to_reference (object_id_.in ());

  CosNotifyFilter::Filter_var filter = CosNotifyFilter::Filter::_nil();

  this->consumer_id_ = notifier->connect_sequence_fault_consumer(
    CosNotifyComm::SequencePushConsumer::_narrow(this_obj.in ()),
    filter.in ());

  return result;
}

void
TAO_Notify_Tests_Filter_Command::handle_add_constraint (void)
{
  CosNotifyFilter::Filter_var filter;

  LOOKUP_MANAGER->resolve (filter , this->name_.c_str ());

  CosNotifyFilter::ConstraintExpSeq constraint_list (1);
  constraint_list.length (1);

  constraint_list[0].event_types.length (0);
  constraint_list[0].constraint_expr = CORBA::string_dup (this->constraint_.c_str ());

  ACE_DEBUG ((LM_DEBUG, "Adding constraint %s\n", this->constraint_.c_str ()));
  filter->add_constraints (constraint_list);
}

void match_structure_test (const CosNotifyFilter::Filter_var& filter,
                           const CosNotification::StructuredEvent& event,
                           bool & expected_result)
{
  bool bResult = false;
  try{
    bResult = filter->match_structured(event);
  }
  catch(CosNotifyFilter::UnsupportedFilterableData)
  {
    std::cerr << "UnsupportedFilterableData!" << std::endl;
  }
  catch (CORBA::SystemException& se )
  {
    std::cerr << "System exception occurred during match_structured: "
      << se << std::endl;
    exit(1);
  }

  std::cout << "The result is:" << (bResult?"Match":"Unmatch") << std::endl;

  if (bResult != expected_result)
  {
    // The result should be unmatched as it's filtered with event type.
    std::cerr << "filter test failed." << std::endl;
    exit(1);
  }
}

void
Notify_Push_Supplier::_connect (
                CosNotifyChannelAdmin::SupplierAdmin_ptr supplier_admin,
                CosNotifyChannelAdmin::EventChannel_ptr notify_channel,
                bool useFilter)
{
  CosNotifyComm::StructuredPushSupplier_var objref =
    this->_this ();

  CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
    supplier_admin->obtain_notification_push_consumer (
      CosNotifyChannelAdmin::STRUCTURED_EVENT,
      proxy_id_);

  if (useFilter)
    {
      CosNotifyFilter::FilterFactory_var ffact =
        notify_channel->default_filter_factory ();

      CosNotifyFilter::Filter_var filter =
        ffact->create_filter ("TCL");

      ACE_ASSERT(! CORBA::is_nil (filter.in ()));

      CosNotifyFilter::ConstraintExpSeq constraint_list (1);
      constraint_list.length (1);

      constraint_list[0].event_types.length (0);
      constraint_list[0].constraint_expr = CORBA::string_dup ("group != 0");

      filter->add_constraints (constraint_list);

      proxyconsumer->add_filter (filter.in ());
    }

  this->proxy_ =
    CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (
      proxyconsumer.in ());

  this->proxy_->connect_structured_push_supplier (objref.in ());

  // give ownership to POA
  this->_remove_ref ();
}

TAO_Notify::Topology_Object*
TAO_Notify_FilterAdmin::load_child (const ACE_CString &type, CORBA::Long id,
  const TAO_Notify::NVPList& attrs)
{
  if (type == "filter")
  {
   TAO_Notify_Object::ID mapid = 0;
   attrs.load("MapId", mapid);

   TAO_Notify_FilterFactory* factory = ec_->default_filter_factory_servant ();
   CosNotifyFilter::Filter_var filter = factory->get_filter (mapid);

    if (! CORBA::is_nil(filter.in()))
    {
      this->filter_ids_.set_last_used(id);
      if (this->filter_list_.bind (id, filter) != 0)
        throw CORBA::INTERNAL ();
    }
  }
  return this;
}

void update_constraints (const CosNotifyFilter::Filter_var& filter,
                         const char* domain1, const char* type1,
                         const char* domain2, const char* type2)
{
    filter->remove_all_constraints ();

    CosNotification::EventTypeSeq event_types(2);
    event_types.length(2);

    event_types[0].domain_name = CORBA::string_dup(domain1);
    event_types[0].type_name = CORBA::string_dup(type1);

    event_types[1].domain_name = CORBA::string_dup(domain2);
    event_types[1].type_name = CORBA::string_dup(type2);

    CosNotifyFilter::ConstraintExpSeq constraints(1);
    constraints.length(1);

    constraints[0].event_types = event_types;
    constraints[0].constraint_expr = CORBA::string_dup("");

    CosNotifyFilter::ConstraintInfoSeq_var cons_info
      = filter->add_constraints(constraints);

    std::cout << "Constructing a filter..." << std::endl;

    for (CORBA::ULong i = 0; i < event_types.length(); ++i)
    {
      std::cout << "\tevent_types[" << i << "].domain_name="
        << event_types[i].domain_name
        << std::endl;
      std::cout << "\tevent_types[" << i << "].type_name="
        << event_types[i].type_name
        << std::endl;
    }

    std::cout << "\tIts constraint ="
      << constraints[0].constraint_expr.in ()
      << std::endl;
}

CosNotifyFilter::Filter_ptr
TAO_Notify_ETCL_FilterFactory::find_filter (const TAO_Notify_Object::ID& id)
{
  ACE_GUARD_RETURN (TAO_SYNCH_MUTEX,
                    ace_mon,
                    this->mtx_,
                    CosNotifyFilter::Filter::_nil ());

  TAO_Notify_ETCL_Filter* filter = 0;
  if (filters_.find (id, filter) == -1)
    return CosNotifyFilter::Filter::_nil ();
  else
  {
    CORBA::Object_var obj =
      this->filter_poa_->servant_to_reference (filter);

    CosNotifyFilter::Filter_var filter
      = CosNotifyFilter::Filter::_narrow (obj.in ());

    return filter._retn ();
  }
}

static CosNotifyFilter::Filter_ptr
create_proxyFilter (CosNotifyChannelAdmin::EventChannel_ptr ec)
{
  CosNotifyFilter::FilterFactory_var ffact =
    ec->default_filter_factory ();

  CosNotifyFilter::Filter_var filter =
    ffact->create_filter ("EXTENDED_TCL");

  if(!CORBA::is_nil(filter.in()))
    {
    CosNotifyFilter::ConstraintExpSeq constraint_list (1);
    constraint_list.length(1);

    constraint_list[0].event_types.length (0);

    constraint_list[0].constraint_expr =
      CORBA::string_dup ("$.domain_name == 'domain1'");

    filter->add_constraints (constraint_list);
    }
  return filter._retn();
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
  {
    Consumer_Client client;

    int status = client.init (argc, argv);
    ACE_ASSERT(status == 0);
    ACE_UNUSED_ARG(status);

    CosNotifyChannelAdmin::EventChannel_var ec =
      client.create_event_channel ("MyEventChannel", 1);

    CORBA::ORB_ptr orb = client.orb ();
    CORBA::Object_var object =
      orb->string_to_object (ior);

    sig_var sig = sig::_narrow (object.in ());

    ACE_ASSERT(! CORBA::is_nil (sig.in ()));

    CosNotifyChannelAdmin::ConsumerAdmin_var admin =
      create_consumeradmin (ec.in ());

    if (filter)
    {
      CosNotifyFilter::FilterFactory_var ffact =
        ec->default_filter_factory ();

      CosNotifyFilter::Filter_var filter =
        ffact->create_filter ("TCL");

      ACE_ASSERT(! CORBA::is_nil(filter.in()));

      CosNotifyFilter::ConstraintExpSeq constraint_list (1);
      constraint_list.length(1);

      constraint_list[0].event_types.length (0);
      constraint_list[0].constraint_expr = CORBA::string_dup(ACE_TEXT_ALWAYS_CHAR (constraintString));

      filter->add_constraints (constraint_list);

      admin->add_filter(filter.in());
    }

    ACE_ASSERT (!CORBA::is_nil (admin.in ()));
    create_consumers(admin.in (), &client);

    // Tell the supplier to go
    sig->go ();

    client.ORB_run( );
    ACE_DEBUG((LM_DEBUG, "Consumer done.\n"));

    sig->done ();

    return 0;

  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception ("Error: Consumer exception: ");
  }

  return 1;
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
  {
    Consumer_Client client;

    int status = client.init (argc, argv);
    if (status != 0)
    {
      ACE_ERROR((LM_ERROR, "Error: Unable to init consumer.\n"));
      return 1;
    }

    CosNotifyChannelAdmin::EventChannel_var ec =
      client.create_event_channel ("Struct_Multi_Filter", 1);

    CosNotifyChannelAdmin::AdminID adminid = 0;
    CosNotifyChannelAdmin::ConsumerAdmin_var consumer_admin =
      ec->new_for_consumers ((consumerFilter == OrOp
      ? CosNotifyChannelAdmin::OR_OP : CosNotifyChannelAdmin::AND_OP),
      adminid);

    ACE_ASSERT(! CORBA::is_nil (consumer_admin.in ()));

    if (consumerFilter != None)
    {
      CosNotifyFilter::FilterFactory_var ffact =
        ec->default_filter_factory ();

      CosNotifyFilter::Filter_var filter =
        ffact->create_filter (GRAMMAR);

      if (CORBA::is_nil (filter.in ()))
      {
        ACE_ERROR ((LM_ERROR,
          " (%P|%t) Consumer unable to initialize filter.\n"));
        return 1;
      }

      CosNotifyFilter::ConstraintExpSeq constraint_list (1);
      constraint_list.length (1);

      constraint_list[0].event_types.length (0);
      constraint_list[0].constraint_expr = CORBA::string_dup ("type != 1");

      filter->add_constraints (constraint_list);

      consumer_admin->add_filter (filter.in ());
    }

    CORBA::ORB_ptr orb = client.orb ();

    CORBA::Object_var object =
      orb->string_to_object (ior);

    sig_var sig = sig::_narrow (object.in ());

    ACE_ASSERT(! CORBA::is_nil (sig.in ()));

    create_consumer (consumer_admin.in (), ec.in (), &client);

    ACE_DEBUG((LM_DEBUG, "\nConsumer waiting for events...\n"));

    sig->go ();

    client.ORB_run( );

    ACE_DEBUG((LM_DEBUG, "\nConsumer done.\n"));

    sig->done();

    return 0;
  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception ("\nError: Consumer:");
  }

  return 1;
}