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/* -*- C++ -*- */
/**
* @file Reconnection_Registry.cpp
*
* $Id$
*
* @author Dale Wilson <wilson_d@ociweb.com>
*
*/
#include "Reconnection_Registry.h"
#if ! defined (__ACE_INLINE__)
#include "Reconnection_Registry.inl"
#endif /* __ACE_INLINE__ */
#include <tao/debug.h>
#include "Properties.h"
#include "Topology_Saver.h"
#include <ace/Vector_T.h>
//#define DEBUG_LEVEL 10
#ifndef DEBUG_LEVEL
# define DEBUG_LEVEL TAO_debug_level
#endif
namespace TAO_Notify
{
Reconnection_Registry::Reconnection_Registry (Topology_Parent & parent)
: highest_id_(0)
{
// not the best technique, here. Take advantage of "protected"
Topology_Object::topology_parent_ = &parent;
}
Reconnection_Registry::~Reconnection_Registry ()
{
}
//////////////////////////
// During normal operation
NotifyExt::ReconnectionRegistry::ReconnectionID
Reconnection_Registry::register_callback (
NotifyExt::ReconnectionCallback_ptr callback
ACE_ENV_ARG_DECL)
{
//@@todo DO WE NEED THREAD SAFENESS?
NotifyExt::ReconnectionRegistry::ReconnectionID next_id = ++highest_id_;
if (DEBUG_LEVEL > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Reconnect registry: registering %d\n"),
ACE_static_cast (int, next_id)
));
}
TAO_Notify_Properties* properties = TAO_Notify_PROPERTIES::instance();
CORBA::ORB_var orb = properties->orb ();
CORBA::String_var cior = orb->object_to_string (callback ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
ACE_CString ior(cior.in ());
if ( 0 != reconnection_registry_.bind (next_id, ior))
{
//todo throw something;
}
this->self_change (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
return next_id;
}
void
Reconnection_Registry::unregister_callback (NotifyExt::ReconnectionRegistry::ReconnectionID id
ACE_ENV_ARG_DECL)
{
if (DEBUG_LEVEL > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Reconnect registry: unregistering %d\n"),
ACE_static_cast (int, id)
));
}
if ( 0 != reconnection_registry_.unbind (id))
{
//@@todo throw something
}
this->self_change (ACE_ENV_SINGLE_ARG_PARAMETER);
}
CORBA::Boolean
Reconnection_Registry::is_alive (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
{
return CORBA::Boolean(1);
}
//////////////////////
// During topology save
void
Reconnection_Registry::save_persistent (Topology_Saver& saver ACE_ENV_ARG_DECL)
{
bool change = this->self_changed_;
this->self_changed_ = false;
this->children_changed_ = false;
NVPList attrs;
//@@todo: bool want_all_children =
saver.begin_object (0, REGISTRY_TYPE, attrs, change ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
Reconnection_Registry_Type::ENTRY *entry;
for (Reconnection_Registry_Type::ITERATOR iter (this->reconnection_registry_);
iter.next (entry);
iter.advance ())
{
NVPList cattrs;
if (DEBUG_LEVEL > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Reconnect registry: saving %d\n"),
ACE_static_cast (int, entry->ext_id_)
));
}
cattrs.push_back(NVP(RECONNECT_ID, entry->ext_id_));
cattrs.push_back(NVP(RECONNECT_IOR, entry->int_id_));
saver.begin_object (entry->ext_id_, REGISTRY_CALLBACK_TYPE, cattrs, true ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
saver.end_object (entry->ext_id_, REGISTRY_CALLBACK_TYPE ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
// todo:
// for all deleted children
// {
// saver.delete_child(child_type, child_id);
// }
saver.end_object (0, REGISTRY_TYPE ACE_ENV_ARG_PARAMETER);
}
///////////////////////////////////////
// During reload of persistent topology
Topology_Object*
Reconnection_Registry::load_child (const ACE_CString & type,
CORBA::Long,
const NVPList& attrs
ACE_ENV_ARG_DECL_NOT_USED)
{
if (type == REGISTRY_CALLBACK_TYPE)
{
NotifyExt::ReconnectionRegistry::ReconnectionID id;
ACE_CString ior;
if (attrs.load (RECONNECT_ID, id) && attrs.load (RECONNECT_IOR, ior))
{
if (id > highest_id_)
{
highest_id_ = id;
if (DEBUG_LEVEL > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Reconnect registry: reloading %d\n"),
ACE_static_cast (int, id)
));
}
}
if ( 0 != reconnection_registry_.bind (id, ior))
{
//@@todo - throw something;
}
}
else
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) Reconnect registry: missing attribute\n")
));
}
}
return this;
}
void
Reconnection_Registry::send_reconnect (CosNotifyChannelAdmin::EventChannelFactory_ptr dest_factory
ACE_ENV_ARG_DECL_NOT_USED)
{
TAO_Notify_Properties* properties = TAO_Notify_PROPERTIES::instance();
CORBA::ORB_var orb = properties->orb ();
ACE_Vector <NotifyExt::ReconnectionRegistry::ReconnectionID> bad_ids;
Reconnection_Registry_Type::ENTRY *entry;
for (Reconnection_Registry_Type::ITERATOR iter (this->reconnection_registry_);
iter.next (entry);
iter.advance ())
{
ACE_TRY_NEW_ENV
{
if (DEBUG_LEVEL > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Reconnection Registry: Sending reconnection to client %d\n"),
ACE_static_cast (int, entry->ext_id_)
));
}
ACE_CString & ior = entry->int_id_;
CORBA::Object_var obj = orb->string_to_object (ior.c_str () ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
NotifyExt::ReconnectionCallback_var callback =
NotifyExt::ReconnectionCallback::_narrow (obj.in ());
if (!CORBA::is_nil (callback.in ()))
{
callback->reconnect (dest_factory ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
else
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Reconnection Registry: Can't resolve reconnection client's IOR %d\n"),
ACE_static_cast (int, entry->ext_id_)
));
//throw this entry away but you've got an iterator so be careful
bad_ids.push_back (entry->ext_id_);
}
}
ACE_CATCHANY
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Reconnection Registry: Exception sending reconnection to client -- discarding registry entry\n")
));
//throw this entry away but you've got an iterator so be careful
bad_ids.push_back (entry->ext_id_);
//@@todo : we might want to check for retryable exceptions, but for now...
}
ACE_ENDTRY;
}
size_t bad_count = bad_ids.size ();
for (size_t nbad = 0; nbad < bad_count; ++nbad)
{
this->reconnection_registry_.unbind (bad_ids[nbad]);
}
}
void
Reconnection_Registry::release (void)
{
delete this;
//@@ inform factory
}
} // namespace TAO_Notify
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Hash_Map_Entry<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString>;
template class ACE_Hash_Map_Manager_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString, ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Base_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString,ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString,ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Reverse_Iterator_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString,ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Hash_Map_Entry<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString >
#pragma instantiate ACE_Hash_Map_Manager_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString ,ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Base_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString ,ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString ,ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Reverse_Iterator_Ex<NotifyExt::ReconnectionRegistry::ReconnectionID, ACE_CString ,ACE_Hash<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Equal_To<NotifyExt::ReconnectionRegistry::ReconnectionID>, ACE_Null_Mutex>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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