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// $Id$
#include "orbsvcs/FtRtEvent/EventChannel/IOGR_Maker.h"
#include "tao/MProfile.h"
#include "tao/Profile.h"
#include "tao/Stub.h"
#include "tao/ORB_Core.h"
#include "tao/Object_KeyC.h"
#include "tao/Tagged_Components.h"
#include "../Utils/resolve_init.h"
#include "../Utils/Safe_InputCDR.h"
#include "orbsvcs/FaultTolerance/FT_IOGR_Property.h"
#include "orbsvcs/FtRtEvent/EventChannel/GroupInfoPublisher.h"
ACE_RCSID (EventChannel,
IOGR_Maker,
"$Id$")
static IOGR_Maker* maker;
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
IOGR_Maker::IOGR_Maker()
{
}
void
IOGR_Maker::init(CORBA::ORB_ptr orb)
{
iorm_ = resolve_init<TAO_IOP::TAO_IOR_Manipulation>(orb,
TAO_OBJID_IORMANIPULATION);
ft_tag_component_.group_domain_id = "ft_eventchannel";
ft_tag_component_.object_group_id = 0;
ft_tag_component_.object_group_ref_version = 0;
maker = this;
}
IOGR_Maker*
IOGR_Maker::instance()
{
return maker;
}
CORBA::Object_ptr
IOGR_Maker::merge_iors(const TAO_IOP::TAO_IOR_Manipulation::IORList& list)
{
CORBA::Object_var obj;
if (list.length() != 1)
obj = iorm_->merge_iors(list);
else
obj = CORBA::Object::_duplicate(list[0]);
return obj._retn();
}
CORBA::Object_ptr
IOGR_Maker::make_iogr(const TAO_IOP::TAO_IOR_Manipulation::IORList& list,
CORBA::ULong object_group_ref_version)
{
/// generate a new IOGR if the object group changes.
CORBA::Object_var obj = merge_iors(list);
FT::TagFTGroupTaggedComponent ft_tag_component(ft_tag_component_);
/// the generated IOGR should use a new object_group_ref_version
ft_tag_component.object_group_ref_version = object_group_ref_version;
set_tag_components(obj.in(), list[0], ft_tag_component);
return obj._retn();
}
void replace_key(char* ior, char* end_ior,
const TAO::ObjectKey& oldkey,
const TAO::ObjectKey& newkey);
/// the definition of replace_key() is moved
/// to replace_key.cpp.
CORBA::Object_ptr
IOGR_Maker::forge_iogr(CORBA::Object_ptr obj)
{
/// forge an IOGR whose object_key is the same with that of \a obj.
CORBA::Object_var merged;
// make a copy of the object
FtRtecEventChannelAdmin::EventChannel_var successor
= GroupInfoPublisher::instance()->successor();
if (! CORBA::is_nil(successor.in())) {
TAO::ObjectKey_var newkey = obj->_key();
CORBA::Object_var new_base = ior_replace_key(successor.in(), newkey.in());
if (CORBA::is_nil( new_base.in() ))
return CORBA::Object::_nil();
TAO_MProfile& base_profiles = new_base->_stubobj ()->base_profiles ();
TAO_ORB_Core *orb_core = TAO_ORB_Core_instance ();
TAO_Stub *stub = orb_core->create_stub (CORBA::string_dup(obj->_stubobj ()->type_id.in ()), // give the id string
base_profiles);
// Make the stub memory allocation exception safe for the duration
// of this method.
TAO_Stub_Auto_Ptr safe_stub (stub);
// Create the CORBA level proxy
CORBA::Object_ptr temp_obj = CORBA::Object::_nil ();
ACE_NEW_THROW_EX (temp_obj,
CORBA::Object (safe_stub.get ()),
CORBA::NO_MEMORY ());
// Release ownership of the pointers protected by the auto_ptrs since they
// no longer need to be protected by this point.
stub = safe_stub.release ();
merged =
iorm_->add_profiles(obj, temp_obj);
}
else
merged = CORBA::Object::_duplicate(obj);
set_tag_components(merged.in(), obj, ft_tag_component_);
return merged._retn();
}
CORBA::Object_ptr
IOGR_Maker::ior_replace_key(CORBA::Object_ptr obj,
const TAO::ObjectKey& key)
{
TAO_OutputCDR out_cdr;
if (!(out_cdr << obj))
return CORBA::Object::_nil();
ACE_Message_Block mb;
ACE_CDR::consolidate(&mb, out_cdr.begin());
TAO::ObjectKey_var old_key = obj->_key();
replace_key(mb.base(), mb.end(),
old_key.in(), key);
CORBA::Object_var new_obj;
TAO_InputCDR in_cdr(&mb);
if (!(in_cdr >> new_obj))
return CORBA::Object::_nil();
return new_obj._retn();
}
bool
IOGR_Maker::copy_ft_group_component(CORBA::Object_ptr ior)
{
// Get the MProfile
TAO_MProfile &mprofile =
ior->_stubobj ()->base_profiles ();
// Looking for a tagged component with a GROUP flag.
IOP::TaggedComponent tagged_components;
tagged_components.tag = IOP::TAG_FT_GROUP;
if (mprofile.profile_count () > 0)
{
// Get the Tagged Components
const TAO_Tagged_Components &pfile_tagged =
mprofile.get_profile (0)->tagged_components ();
if (pfile_tagged.get_component (tagged_components) == 1)
{
// Grab the object group version
// @@ NOTE: This involves an allocation and a dellocation. This is
// really bad.
Safe_InputCDR cdr (
reinterpret_cast<const char*> (tagged_components.component_data.get_buffer ()),
tagged_components.component_data.length ());
CORBA::Boolean byte_order;
if ((cdr >> ACE_InputCDR::to_boolean (byte_order)) == 0)
return false;
cdr.reset_byte_order (static_cast<int> (byte_order));
return (cdr >> ft_tag_component_) != 0;
}
}
return false;
}
void
IOGR_Maker::set_ft_domain_id(const char* domain_id)
{
ft_tag_component_.group_domain_id = domain_id;
}
void
IOGR_Maker::set_group_id(CORBA::ULongLong id)
{
ft_tag_component_.object_group_id = id;
}
void
IOGR_Maker::set_ref_version(CORBA::ULong version)
{
ft_tag_component_.object_group_ref_version = version;
}
CORBA::ULong
IOGR_Maker::increment_ref_version()
{
ACE_DEBUG((LM_DEBUG, "new object_group_ref_version = %d\n", ft_tag_component_. object_group_ref_version+1));
return ++ft_tag_component_.object_group_ref_version;
}
CORBA::ULong
IOGR_Maker::get_ref_version() const
{
return ft_tag_component_.object_group_ref_version;
}
void
IOGR_Maker::set_tag_components(
CORBA::Object_ptr merged,
CORBA::Object_ptr primary,
FT::TagFTGroupTaggedComponent& ft_tag_component)
{
// set the primary
TAO_FT_IOGR_Property prop (ft_tag_component);
prop.remove_primary_tag(merged);
iorm_->set_primary (&prop, merged, primary);
// Set the property
iorm_->set_property (&prop,
merged);
}
TAO_END_VERSIONED_NAMESPACE_DECL
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