示例#1
0
void TAO::PG_Property_Set::export_properties(PortableGroup::Properties & property_set) const
{
  ValueMap merged_values;
  this->merge_properties (merged_values);

  property_set.length (merged_values.current_size ());

  size_t pos = 0;
  for (ValueMapIterator it = merged_values.begin ();
        it != merged_values.end ();
        ++it)
  {
    const ACE_CString & name = (*it).ext_id_;
    const PortableGroup::Value * value = (*it).int_id_;

    PortableGroup::Property & property = property_set[pos];
    CosNaming::Name & nsName = property.nam;
    //@@ note assumption: single level name, no kind
    nsName.length(1);
    CosNaming::NameComponent & nc = nsName[0];
    nc.id = CORBA::string_dup (name.c_str ());
    PortableGroup::Value & val = property.val;
    val = *value;  // NOTE: Any assignment does a deep copy
    ++pos;
  }
  ACE_ASSERT (pos == property_set.length ());
}
示例#2
0
CORBA::Object_ptr TAO::Object_Group_Creator::create_infrastructure_managed_group (
    const char * type_id)
{
  CORBA::Object_var group = CORBA::Object::_nil ();

  if (this->have_replication_manager_)
  {
    // set typeid properties
    PortableGroup::Properties properties (1);
    properties.length (3);

    properties[0].nam.length (1);
    properties[0].nam[0].id = PortableGroup::PG_MEMBERSHIP_STYLE;
    properties[0].val <<= PortableGroup::MEMB_INF_CTRL;

    PortableGroup::InitialNumberMembersValue inm(2);
    properties[1].nam.length (1);
    properties[1].nam[0].id = PortableGroup::PG_INITIAL_NUMBER_MEMBERS;
    properties[1].val <<= inm;

    PortableGroup::MinimumNumberMembersValue mnm(1);
    properties[2].nam.length (1);
    properties[2].nam[0].id = PortableGroup::PG_MINIMUM_NUMBER_MEMBERS;
    properties[2].val <<= mnm;

    this->replication_manager_->set_type_properties (
      type_id,
      properties);

    ::PortableGroup::GenericFactory::FactoryCreationId_var creation_id;
    PortableGroup::Criteria criteria (1);
    criteria.length (1);
    criteria[0].nam.length (1);
    criteria[0].nam[0].id = PortableGroup::PG_MEMBERSHIP_STYLE;
    criteria[0].val <<= PortableGroup::MEMB_APP_CTRL;

    group = this->replication_manager_->create_object (
      type_id,
      criteria,
      creation_id
      );
  }
  else
  {
    ACE_ERROR ((LM_ERROR,
      ACE_TEXT("%T %n (%P|%t): Object_Group_Creator: infrastructure managed group requires Replication Manager\n")
      ));
  }
  return group._retn ();
}
示例#3
0
void
TAO_PG_PropertyManager::set_default_properties (
    const PortableGroup::Properties & props)
{
  // First verify that the "Factories" property is not in the
  // Properties sequence.  According to the spec, it is not allowed to
  // be set as part of the default properties.
  PortableGroup::Name factories;
  factories.length (1);
  factories[0].id = CORBA::string_dup ("org.omg.PortableGroup.Factories");

  CORBA::ULong len = props.length ();
  for (CORBA::ULong i = 0; i < len; ++i)
    {
      PortableGroup::Property property = props[i];

      if (property.nam == factories)
        throw PortableGroup::InvalidProperty (property.nam, property.val);
    }

  this->property_validator_.validate_property (props);

  ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->lock_);

  this->default_properties_ = props;
}
示例#4
0
void
TAO_PG_PropertyManager::remove_default_properties (
    const PortableGroup::Properties &props)
{
  if (props.length () == 0)
    return;  // @@ Throw CORBA::BAD_PARAM instead?

  ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->lock_);

  this->remove_properties (props,
                           this->default_properties_);
}
示例#5
0
void
TAO_PG_PropertyManager::remove_properties (
    const PortableGroup::Properties & to_be_removed,
    PortableGroup::Properties &properties)
{
  const CORBA::ULong num_removed = to_be_removed.length ();
  if (num_removed == 0)
    return;  // @@ Throw CORBA::BAD_PARAM instead?

  const CORBA::ULong old_length = properties.length ();

  const CORBA::ULong new_length = old_length - num_removed;

  PortableGroup::Properties new_properties (new_length);
  new_properties.length (new_length);

  // @@ Slow O(n^2) operation.  Switching to a faster container for
  //    the default properties might be a good idea at some point in
  //    the future.
  CORBA::ULong n = 0;
  for (CORBA::ULong i = 0; i < num_removed; ++i)
    {
      const CORBA::ULong old_n = n;
      const PortableGroup::Property &remove = to_be_removed[i];

      for (CORBA::ULong j = 0; j < old_length; ++j)
        if (remove.nam != properties[j].nam)
          new_properties[n++] = properties[j];

      // The property to be removed doesn't exist in the current list
      // of default properties.
      if (n == old_n)
        throw PortableGroup::InvalidProperty (remove.nam, remove.val);
    }

  // All properties were successfully removed, and the remaining ones
  // were placed in the "new_properties" variable.  Now copy that
  // variable.
  properties = new_properties;
}
示例#6
0
void
TAO::PG_Property_Set::decode (const PortableGroup::Properties & property_set)
{
  ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->internals_);

  size_t count = property_set.length ();
  for (size_t nItem = 0; nItem < count; ++nItem)
  {
    const PortableGroup::Property & property = property_set[nItem];
    const CosNaming::Name & nsName = property.nam;
    // note assumption one level name with no kind
    // @@ TODO: fix this
    const CosNaming::NameComponent & nc = nsName[0];

    this->set_property (static_cast<const char *> (nc.id),
                        property.val);

#if 0
    ACE_CString name = static_cast<const char *> (nc.id);

    const PortableGroup::Value * value_copy;
    ACE_NEW_THROW_EX (value_copy,
                      PortableGroup::Value (property.val),
                      CORBA::NO_MEMORY ());

    const PortableGroup::Value * replaced_value = 0;
    if (0 == this->values_.rebind (name, value_copy, replaced_value))
    {
      if (0 != replaced_value)
      {
        delete replaced_value;
      }
    }
    else
    {
      if (TAO_debug_level > 3)
      {
        ORBSVCS_ERROR ( (LM_ERROR,
          "%n\n%T: Property_set: rebind failed.\n"
          ));
      }
      // @@ should throw something here
      throw CORBA::NO_MEMORY ();
    }
#endif
  }
}
示例#7
0
void
TAO_PG_PropertyManager::remove_type_properties (
    const char * type_id,
    const PortableGroup::Properties & props)
{
  if (props.length () == 0)
    return;  // @@ Throw CORBA::BAD_PARAM instead?

  ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->lock_);

  Type_Prop_Table::ENTRY * entry = 0;
  if (this->type_properties_.find (type_id, entry) != 0)
    throw CORBA::BAD_PARAM ();

  PortableGroup::Properties & type_properties = entry->int_id_;

  this->remove_properties (props,
                           type_properties);
}
示例#8
0
void
TAO_PG_PropertyManager::set_type_properties (
    const char * type_id,
    const PortableGroup::Properties & overrides)
{
  this->property_validator_.validate_property (overrides);

  CORBA::ULong num_overrides = overrides.length ();

  if (num_overrides == 0)
    return;  // Throw CORBA::BAD_PARAM exception instead?

  ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->lock_);

  Type_Prop_Table::ENTRY * entry = 0;
  if (this->type_properties_.find (type_id, entry) != 0)
    throw CORBA::BAD_PARAM ();

  PortableGroup::Properties & props = entry->int_id_;
  props = overrides;
}
示例#9
0
void TAO::PG_Property_Set::remove (const PortableGroup::Properties & property_set)
{
  ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->internals_);
  size_t count = property_set.length ();
  for (size_t nItem = 0; nItem < count; ++nItem)
  {
    const PortableGroup::Property & property = property_set[nItem];
    const CosNaming::Name & nsName = property.nam;
    // note assumption one level name with no kind
    // @@ TODO: fix this
    const CosNaming::NameComponent & nc = nsName[0];
    ACE_CString name = static_cast<const char *> (nc.id);

    const PortableGroup::Value * deleted_value;
    if ( 0 == this->values_.unbind (name, deleted_value))
    {
      delete deleted_value;
    }
    else
    {
      // don't worry about it.
    }
  }
}
示例#10
0
文件: LoadManager.cpp 项目: CCJY/ATCD
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
    {
      // The usual server side boilerplate code.

      CORBA::ORB_var orb = CORBA::ORB_init (argc, argv);

      CORBA::Object_var obj =
        orb->resolve_initial_references ("RootPOA");

      PortableServer::POA_var root_poa =
        PortableServer::POA::_narrow (obj.in ());

      PortableServer::POAManager_var poa_manager =
        root_poa->the_POAManager ();

      poa_manager->activate ();

      // "built-in" strategies are the following:
      //   0 = RoundRobin
      //   1 = Random
      //   2 = LeastLoaded
      int default_strategy = 1;

      // Check the non-ORB arguments.
      ::parse_args (argc,
                    argv,
                    default_strategy);

      TAO_LB_LoadManager * lm = 0;
      ACE_NEW_THROW_EX (lm,
        TAO_LB_LoadManager(::ping_timeout_milliseconds,
                           ::ping_interval_seconds),
                          CORBA::NO_MEMORY (
                          CORBA::SystemException::_tao_minor_code (
                            TAO::VMCID,
                            ENOMEM),
                          CORBA::COMPLETED_NO));

      PortableServer::ServantBase_var safe_lm = lm;

      // Initalize the LoadManager servant.
      lm->initialize (orb->orb_core ()->reactor (),
                      orb.in (),
                      root_poa.in ());

      PortableGroup::Properties props (1);
      props.length (1);
      props[0].nam.length (1);
      props[0].nam[0].id =
        CORBA::string_dup ("org.omg.CosLoadBalancing.StrategyInfo");

      CosLoadBalancing::StrategyInfo strategy_info;

      switch (default_strategy)
        {
        case 0:
          strategy_info.name = CORBA::string_dup ("RoundRobin");
          break;
        case 1:
          strategy_info.name = CORBA::string_dup ("Random");
          break;
        case 2:
          strategy_info.name = CORBA::string_dup ("LeastLoaded");
          break;
        default:
          ORBSVCS_ERROR_RETURN ((LM_ERROR,
                            ACE_TEXT ("ERROR: LoadBalancer internal error.\n")
                            ACE_TEXT ("       Unknown built-in strategy.\n")),
                            -1);
        }

      props[0].val <<= strategy_info;

      lm->set_default_properties (props);

      CosLoadBalancing::LoadManager_var load_manager =
        lm->_this ();

      CORBA::String_var str =
        orb->object_to_string (load_manager.in ());

      // to support corbaloc
      // Get a reference to the IOR table.
      CORBA::Object_var tobj = orb->resolve_initial_references ("IORTable");

      IORTable::Table_var table = IORTable::Table::_narrow (tobj.in ());

      // bind your stringified IOR in the IOR table
      table->bind ("LoadManager", str.in ());

      FILE * lm_ior = ACE_OS::fopen (lm_ior_file, "w");
      ACE_OS::fprintf (lm_ior, "%s", str.in ());
      ACE_OS::fclose (lm_ior);

#if defined (linux) && defined (ACE_HAS_THREADS)
      if (ACE_Thread_Manager::instance ()->spawn (::TAO_LB_run_load_manager,
                                                  orb.in ()) == -1)
        {
          ORBSVCS_ERROR_RETURN ((LM_ERROR,
                             "ERROR:  Unable to spawn TAO LoadManager's "
                             "ORB thread.\n"),
                            -1);
        }

      ACE_Sig_Set sigset;
      sigset.sig_add (SIGINT);
      sigset.sig_add (SIGTERM);

      int signum = -1;

      // Block waiting for the registered signals.
      if (ACE_OS::sigwait (sigset, &signum) == -1)
        {
          ORBSVCS_ERROR_RETURN ((LM_ERROR,
                             "(%P|%t) %p\n",
                             "ERROR waiting on signal"),
                            -1);
        }

      ACE_ASSERT (signum == SIGINT || signum == SIGTERM);
#else
      // Activate/register the signal handler that (attempts) to
      // ensure graceful shutdown of the LoadManager so that remote
      // resources created by the LoadManager can be cleaned up.
      TAO_LB_Signal_Handler signal_handler (orb.in (), root_poa.in ());

      if (signal_handler.activate () != 0)
        {
          ORBSVCS_ERROR_RETURN ((LM_ERROR,
                             "Error: can't activate LB signal handler, exiting.\n"),
                             -1);
        }

      // @@ There is a subtle race condition here.  If the signal
      //    handler thread shuts down the ORB before it is run, the
      //    below call to ORB::run() will throw a CORBA::BAD_INV_ORDER
      //    exception.
      orb->run ();

      // Wait for the signal handler thread to finish
      // before the process exits.
      signal_handler.wait ();
#endif  /* linux && ACE_HAS_THREADS */

      orb->destroy ();
    }
//   catch (const PortableGroup::InvalidProperty& ex)
//     {
//       ORBSVCS_DEBUG ((LM_DEBUG, "Property ----> %s\n", ex.nam[0].id.in ()));
//     }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception ("TAO Load Manager");

      return -1;
    }

  return 0;
}
示例#11
0
文件: server.cpp 项目: OspreyHub/ATCD
CORBA::Object_ptr
join_object_group (CORBA::ORB_ptr orb,
                   CosLoadBalancing::LoadManager_ptr lm,
                   const PortableGroup::Location & location)
{
  CORBA::Object_var ns_object =
    orb->resolve_initial_references ("NameService");

  CosNaming::NamingContext_var nc =
    CosNaming::NamingContext::_narrow (ns_object.in ());

  CosNaming::Name name (1);
  name.length (1);

  name[0].id = "RoundtripObjectGroup";
  name[0].kind = "Object Group";

  CORBA::Object_var group;

  try
    {
      group = nc->resolve (name);
    }
  catch (const CosNaming::NamingContext::NotFound& )
    {
      // Object group not created.  Create one.
      const char repository_id[] = "IDL:Test/Roundtrip:1.0";

      PortableGroup::Criteria criteria (1);
      criteria.length (1);

      PortableGroup::Property & property = criteria[0];
      property.nam.length (1);

      property.nam[0].id =
        CORBA::string_dup ("org.omg.PortableGroup.MembershipStyle");

      PortableGroup::MembershipStyleValue msv =
        PortableGroup::MEMB_APP_CTRL;
      property.val <<= msv;

      PortableGroup::GenericFactory::FactoryCreationId_var fcid;

      group = lm->create_object (repository_id,
                                 criteria,
                                 fcid.out ());

      try
        {
          nc->bind (name,
                    group.in ());

          PortableGroup::Properties props (1);
          props.length (1);
          props[0].nam.length (1);
          props[0].nam[0].id =
            CORBA::string_dup ("org.omg.CosLoadBalancing.StrategyInfo");

          CosLoadBalancing::StrategyInfo strategy_info;

          strategy_info.name = CORBA::string_dup (strategy);

          if (ACE_OS::strcasecmp (strategy, "LeastLoaded") == 0
              && (reject_threshold != 0
                  || critical_threshold != 0
                  || dampening != 0))
            {
              CORBA::ULong len = 1;

              PortableGroup::Properties & props =
                strategy_info.props;

              if (reject_threshold != 0)
                {
                  const CORBA::ULong i = len - 1;

                  props.length (len++);

                  props[i].nam.length (1);
                  props[i].nam[0].id =
                    CORBA::string_dup ("org.omg.CosLoadBalancing.Strategy.LeastLoaded.RejectThreshold");
                  props[i].val <<= reject_threshold;
                }

              if (critical_threshold != 0)
                {
                  const CORBA::ULong i = len - 1;

                  props.length (len++);

                  props[i].nam.length (1);
                  props[i].nam[0].id =
                    CORBA::string_dup ("org.omg.CosLoadBalancing.Strategy.LeastLoaded.CriticalThreshold");
                  props[i].val <<= critical_threshold;
                }

              if (dampening != 0)
                {
                  const CORBA::ULong i = len - 1;

                  props.length (len++);

                  props[i].nam.length (1);
                  props[i].nam[0].id =
                    CORBA::string_dup ("org.omg.CosLoadBalancing.Strategy.LeastLoaded.Dampening");
                  props[i].val <<= dampening;
                }

            }

          props[0].val <<= strategy_info;

          lm->set_default_properties (props);
        }
      catch (const CosNaming::NamingContext::AlreadyBound& )
        {
          // Somebody beat us to creating the object group.  Clean up
          // the one we created.
          lm->delete_object (fcid.in ());

          group = nc->resolve (name);
        }
    }

  Roundtrip * roundtrip_impl;
  ACE_NEW_THROW_EX (roundtrip_impl,
                    Roundtrip (orb),
                    CORBA::NO_MEMORY ());

  PortableServer::ServantBase_var owner_transfer (roundtrip_impl);

  Test::Roundtrip_var roundtrip =
    roundtrip_impl->_this ();

  group = lm->add_member (group.in (),
                          location,
                          roundtrip.in ());

  return group._retn ();
}