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// -*- C++ -*-
#include "orbsvcs/Log_Macros.h"
#include "orbsvcs/CosEvent/CEC_TypedEventChannel.h"
#include "orbsvcs/CosEvent/CEC_Dispatching.h"
#include "orbsvcs/CosEvent/CEC_TypedConsumerAdmin.h"
#include "orbsvcs/CosEvent/CEC_TypedSupplierAdmin.h"
#include "orbsvcs/CosEvent/CEC_ConsumerControl.h"
#include "orbsvcs/CosEvent/CEC_SupplierControl.h"
#include "tao/debug.h"
#include "tao/ORB_Core.h"
#include "ace/Dynamic_Service.h"
#include "ace/Reactor.h"
#if ! defined (__ACE_INLINE__)
#include "orbsvcs/CosEvent/CEC_TypedEventChannel.inl"
#endif /* __ACE_INLINE__ */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
// Implementation skeleton constructor
TAO_CEC_TypedEventChannel::
TAO_CEC_TypedEventChannel (const TAO_CEC_TypedEventChannel_Attributes& attr,
TAO_CEC_Factory* factory,
int own_factory)
: typed_supplier_poa_ (PortableServer::POA::_duplicate (attr.typed_supplier_poa)),
typed_consumer_poa_ (PortableServer::POA::_duplicate (attr.typed_consumer_poa)),
orb_ (CORBA::ORB::_duplicate (attr.orb)),
interface_repository_ (CORBA::Repository::_duplicate (attr.interface_repository)),
factory_ (factory),
own_factory_ (own_factory),
consumer_reconnect_ (attr.consumer_reconnect),
supplier_reconnect_ (attr.supplier_reconnect),
disconnect_callbacks_ (attr.disconnect_callbacks),
destroy_on_shutdown_ (attr.destroy_on_shutdown),
destroyed_ (0)
{
if (this->factory_ == 0)
{
this->factory_ =
ACE_Dynamic_Service<TAO_CEC_Factory>::instance ("CEC_Factory");
this->own_factory_ = 0;
ACE_ASSERT (this->factory_ != 0);
}
this->dispatching_ =
this->factory_->create_dispatching (this);
this->typed_consumer_admin_ =
this->factory_->create_consumer_admin (this);
this->typed_supplier_admin_ =
this->factory_->create_supplier_admin (this);
this->consumer_control_ =
this->factory_->create_consumer_control (this);
this->supplier_control_ =
this->factory_->create_supplier_control (this);
}
// Implementation skeleton destructor
TAO_CEC_TypedEventChannel::~TAO_CEC_TypedEventChannel ()
{
this->clear_ifr_cache ();
this->interface_description_.close ();
this->factory_->destroy_dispatching (this->dispatching_);
this->dispatching_ = 0;
this->factory_->destroy_consumer_admin (this->typed_consumer_admin_);
this->typed_consumer_admin_ = 0;
this->factory_->destroy_supplier_admin (this->typed_supplier_admin_);
this->typed_supplier_admin_ = 0;
if (this->own_factory_)
delete this->factory_;
}
void
TAO_CEC_TypedEventChannel::activate ()
{
this->dispatching_->activate ();
this->consumer_control_->activate ();
this->supplier_control_->activate ();
}
namespace
{
struct ShutdownHandler : ACE_Event_Handler
{
ShutdownHandler (CORBA::ORB_ptr orb)
: orb_ (CORBA::ORB::_duplicate (orb)) {}
CORBA::ORB_var orb_;
virtual int handle_timeout (const ACE_Time_Value&, const void*)
{
orb_->shutdown (true);
return 0;
}
};
}
void
TAO_CEC_TypedEventChannel::shutdown ()
{
this->dispatching_->shutdown ();
this->supplier_control_->shutdown ();
this->consumer_control_->shutdown ();
PortableServer::POA_var typed_consumer_poa =
this->typed_consumer_admin_->_default_POA ();
PortableServer::ObjectId_var typed_consumer_id =
typed_consumer_poa->servant_to_id (this->typed_consumer_admin_);
typed_consumer_poa->deactivate_object (typed_consumer_id.in ());
PortableServer::POA_var typed_supplier_poa =
this->typed_supplier_admin_->_default_POA ();
PortableServer::ObjectId_var typed_supplier_id =
typed_supplier_poa->servant_to_id (this->typed_supplier_admin_);
typed_supplier_poa->deactivate_object (typed_supplier_id.in ());
this->typed_supplier_admin_->shutdown ();
this->typed_consumer_admin_->shutdown ();
if (destroy_on_shutdown_)
{
// Deactivate the Typed EC
PortableServer::POA_var t_poa =
this->_default_POA ();
PortableServer::ObjectId_var t_id =
t_poa->servant_to_id (this);
t_poa->deactivate_object (t_id.in ());
ACE_Event_Handler *timer;
ACE_NEW (timer, ShutdownHandler (this->orb_.in ()));
ACE_Reactor *reactor = this->orb_->orb_core ()->reactor ();
reactor->schedule_timer (timer, 0, ACE_Time_Value (1));
}
}
void
TAO_CEC_TypedEventChannel::connected (TAO_CEC_TypedProxyPushConsumer* consumer)
{
this->typed_supplier_admin_->connected (consumer);
}
void
TAO_CEC_TypedEventChannel::reconnected (TAO_CEC_TypedProxyPushConsumer* consumer)
{
this->typed_supplier_admin_->reconnected (consumer);
}
void
TAO_CEC_TypedEventChannel::disconnected (TAO_CEC_TypedProxyPushConsumer* consumer)
{
this->typed_supplier_admin_->disconnected (consumer);
}
void
TAO_CEC_TypedEventChannel::connected (TAO_CEC_ProxyPushSupplier* supplier)
{
this->typed_consumer_admin_->connected (supplier);
}
void
TAO_CEC_TypedEventChannel::reconnected (TAO_CEC_ProxyPushSupplier* supplier)
{
this->typed_consumer_admin_->reconnected (supplier);
}
void
TAO_CEC_TypedEventChannel::disconnected (TAO_CEC_ProxyPushSupplier* supplier)
{
this->typed_consumer_admin_->disconnected (supplier);
}
// Find from the ifr cache the operation and return the parameter array pointer.
TAO_CEC_Operation_Params *
TAO_CEC_TypedEventChannel::find_from_ifr_cache (const char *operation)
{
TAO_CEC_Operation_Params *found = 0;
this->interface_description_.find (operation, found);
return found;
}
// Insert the operation and its parameters into the ifr cache.
int
TAO_CEC_TypedEventChannel::insert_into_ifr_cache (const char *operation_,
TAO_CEC_Operation_Params *parameters_)
{
// Make sure that the supplied Object reference is valid,
// i.e. not nil.
if (operation_ == 0 || parameters_ == 0)
{
errno = EINVAL;
return -1;
};
CORBA::String_var operation = CORBA::string_dup (operation_);
int result = this->interface_description_.bind (operation.in (), parameters_);
if (result == 0)
{
// Transfer ownership to the Object InterfaceDescription map.
(void) operation._retn ();
}
return result;
}
// Clear the ifr cache, freeing up all its contents.
int
TAO_CEC_TypedEventChannel::clear_ifr_cache ()
{
for (Iterator i = this->interface_description_.begin ();
i != this->interface_description_.end ();
++i)
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** Destroying operation %s from ifr cache *****\n"),
const_cast<char *> ((*i).ext_id_)));
}
// Deallocate the operation
CORBA::string_free (const_cast<char *> ((*i).ext_id_));
// Destroy the parameter
delete ((*i).int_id_);
}
int result = this->interface_description_.unbind_all ();
return result;
}
// The function performs a lookup_id of the passed interface in the IFR,
// and then obtains the FullInterfaceDescription.
// The base interfaces for the interface are stored on this class.
// All the operations and their parameters are then inserted in the ifr cache.
// Function returns 0 if successful or -1 on a failure.
int
TAO_CEC_TypedEventChannel::cache_interface_description (const char *interface_)
{
try
{
// Lookup the Interface Name in the IFR
CORBA::Contained_var contained =
this->interface_repository_->lookup_id (interface_);
// Narrow the interface
CORBA::InterfaceDef_var intface =
CORBA::InterfaceDef::_narrow (contained.in ());
if (CORBA::is_nil (intface.in () ))
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** CORBA::InterfaceDef::_narrow failed for interface %s *****\n"),
interface_));
}
return -1;
}
else
{
// Obtain the full interface description
CORBA::InterfaceDef::FullInterfaceDescription_var fid =
intface->describe_interface ();
// Obtain the base interfaces
this->base_interfaces_ = fid->base_interfaces;
if (TAO_debug_level >= 10)
{
for (CORBA::ULong base=0; base<fid->base_interfaces.length(); base++)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** Base interface %s found on interface %s *****\n"),
static_cast<char const*>(fid->base_interfaces[base]),
interface_ ));
}
}
// Obtain the operations
for (CORBA::ULong oper=0; oper<fid->operations.length(); oper++)
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** Operation %s found on interface %s, num params %d *****\n"),
fid->operations[oper].name.in(),
interface_,
fid->operations[oper].parameters.length() ));
}
// Obtain the parameters
CORBA::ULong num_params = fid->operations[oper].parameters.length();
TAO_CEC_Operation_Params *oper_params = new TAO_CEC_Operation_Params (num_params);
for (CORBA::ULong param=0; param<num_params; param++)
{
oper_params->parameters_[param].name_ = fid->operations[oper].parameters[param].name.in();
oper_params->parameters_[param].type_ = fid->operations[oper].parameters[param].type;
switch (fid->operations[oper].parameters[param].mode)
{
case CORBA::PARAM_IN:
oper_params->parameters_[param].direction_ = CORBA::ARG_IN;
break;
case CORBA::PARAM_OUT:
oper_params->parameters_[param].direction_ = CORBA::ARG_OUT;
break;
case CORBA::PARAM_INOUT:
oper_params->parameters_[param].direction_ = CORBA::ARG_INOUT;
break;
}
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** Parameter %s found on operation %s *****\n"),
oper_params->parameters_[param].name_.in(),
fid->operations[oper].name.in() ));
}
}
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** Adding operation %s with %d parameters to the IFR cache *****\n"),
fid->operations[oper].name.in(),
oper_params->num_params_ ));
}
int result = insert_into_ifr_cache (fid->operations[oper].name.in(), oper_params);
if (result != 0)
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** Adding operation to IFR cache failed *****\n")));
}
}
}
}
}
catch (const CORBA::SystemException& sysex)
{
if (TAO_debug_level >= 4)
{
sysex._tao_print_exception (
"during TAO_CEC_TypedEventChannel::cache_interface_description");
}
return -1;
}
catch (const CORBA::Exception& ex)
{
if (TAO_debug_level >= 4)
{
ex._tao_print_exception (
"ex raised during TAO_CEC_TypedEventChannel::cache_interface_description");
}
return -1;
}
return 0;
}
// A consumer is attempting to register its uses_interface.
// Note only a single interface can be registered with this version of the EC.
// For users that require more than one interface, start another EC.
// If the passed uses_interface is the same as a registered interface the function returns 0.
// If an attempt is made to register a second interface, this function will return -1
// and the TypedConsumerAdmin will throw CosTypedEventChannelAdmin::NoSuchImplementation.
// If neither a consumer nor a supplier has registered an interface,
// the function calls cache_interface_description and returns 0 if successful.
int
TAO_CEC_TypedEventChannel::consumer_register_uses_interace (const char *uses_interface)
{
// Check if a consumer has already registered an interface with the typed EC
if (this->uses_interface_.length() > 0)
{
// Check if the registered uses_interface_ == the new uses_interface
if (this->uses_interface_ == ACE_CString (uses_interface))
{
return 0;
}
else
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** different uses_interface_ already registered *****\n")));
}
return -1;
}
}
// Check if a supplier has already registered an inerface with the typed EC
if (this->supported_interface_.length() > 0)
{
// Check if the registered supported_interface_ == the new uses_interface
if (this->supported_interface_ == ACE_CString (uses_interface))
{
this->uses_interface_ = uses_interface;
return 0;
}
else
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** different supported_interface_ already registered *****\n")));
}
return -1;
}
}
else
{
// Neither a consumer nor a supplier has connected yet
int result = cache_interface_description (uses_interface);
if (result == 0)
{
this->uses_interface_ = uses_interface;
}
return result;
}
}
// A supplier is attempting to register its supported_interface.
// Note only a single interface can be registered with this version of the EC.
// For users that require more than one interface, start another EC.
// If the passed supported_interface is the same as a registered interface the function returns 0.
// If an attempt is made to register a second interface, this function will return -1
// and the TypedSupplierAdmin will throw CosTypedEventChannelAdmin::InterfaceNotSupported.
// If neither a consumer nor a supplier has registered an interface,
// the function calls cache_interface_description and returns 0 if successful.
int
TAO_CEC_TypedEventChannel::supplier_register_supported_interface (const char *supported_interface)
{
// Check if a supplier has already registered an interface with the typed EC
if (this->supported_interface_.length() > 0)
{
// Check if the registered interface == the new supported_interface
if (this->supported_interface_ == ACE_CString (supported_interface))
{
return 0;
}
else
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** different supported_interface_ already registered *****\n")));
}
return -1;
}
}
// Check if a consumer has already registered an inerface with the typed EC
if (this->uses_interface_.length() > 0)
{
// Check if the registered uses_interface_ == the new supported_interface
if (this->uses_interface_ == ACE_CString (supported_interface))
{
this->supported_interface_ = supported_interface;
return 0;
}
else
{
if (TAO_debug_level >= 10)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("***** different uses_interface_ already registered *****\n")));
}
return -1;
}
}
else
{
// Neither a consumer nor a supplier has connected yet
int result = cache_interface_description (supported_interface);
if (result == 0)
{
this->supported_interface_ = supported_interface;
}
return result;
}
}
// Function creates a NVList and populates it from the parameter information.
void
TAO_CEC_TypedEventChannel::create_operation_list (TAO_CEC_Operation_Params *oper_params,
CORBA::NVList_out new_list)
{
this->orb_->create_list (0, new_list);
for (CORBA::ULong param=0; param<oper_params->num_params_; param++)
{
CORBA::Any any_1;
any_1._tao_set_typecode(oper_params->parameters_[param].type_.in ());
new_list->add_value (oper_params->parameters_[param].name_. in (),
any_1,
oper_params->parameters_[param].direction_);
}
}
// Function creates an empty NVList.
void
TAO_CEC_TypedEventChannel::create_list (CORBA::Long count,
CORBA::NVList_out new_list)
{
this->orb_->create_list (count, new_list);
}
// The CosTypedEventChannelAdmin::TypedEventChannel methods...
CosTypedEventChannelAdmin::TypedConsumerAdmin_ptr
TAO_CEC_TypedEventChannel::for_consumers ()
{
return this->typed_consumer_admin_->_this ();
}
CosTypedEventChannelAdmin::TypedSupplierAdmin_ptr
TAO_CEC_TypedEventChannel::for_suppliers ()
{
return this->typed_supplier_admin_->_this ();
}
void
TAO_CEC_TypedEventChannel::destroy ()
{
if (!destroyed_)
{
destroyed_ = 1;
this->shutdown ();
}
}
CORBA::Policy_ptr
TAO_CEC_TypedEventChannel::create_roundtrip_timeout_policy
(const ACE_Time_Value &timeout)
{
return this->factory_->create_roundtrip_timeout_policy (timeout);
}
TAO_END_VERSIONED_NAMESPACE_DECL
|