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// -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// default_resource.h
//
// = AUTHOR
// Chris Cleeland
// Carlos O'Ryan
//
// ============================================================================
#ifndef TAO_DEFAULT_RESOURCE_H
#define TAO_DEFAULT_RESOURCE_H
#include "tao/Resource_Factory.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Acceptor_Registry.h"
#include "tao/Connector_Registry.h"
#include "tao/POA.h"
#include "ace/Singleton.h"
#include "ace/Service_Config.h"
class TAO_Object_Adapter;
// ****************************************************************
class TAO_Export TAO_Allocated_Resources
{
// = TITLE
// Container for the resources allocated by the factory.
//
// = DESCRIPTION
//
public:
TAO_Allocated_Resources (void);
// Constructor necessary because we have pointers. It's inlined
// here rather than in the .i file because it's easier than trying
// to re-order header files in corba.h to eliminate the "used
// before declared inline" warnings/errors on certain compilers.
~TAO_Allocated_Resources (void);
// Destructor is also necessary because we now allocate some of
// the objects held here.
// = Resources
ACE_Thread_Manager tm_;
// The Thread Manager
TAO_Acceptor_Registry ar_;
// The Acceptor Registry!
TAO_Connector_Registry cr_;
// The Connector Registry!
ACE_Reactor *r_;
// The Reactor.
TAO_Object_Adapter *object_adapter_;
// Object Adapter.
TAO_POA *poa_;
// Pointer to application-created POA.
ACE_Allocator *input_cdr_dblock_allocator_;
ACE_Allocator *input_cdr_buffer_allocator_;
// The allocators for the input CDR streams.
ACE_Allocator *output_cdr_dblock_allocator_;
ACE_Allocator *output_cdr_buffer_allocator_;
// The allocators for the output CDR streams.
};
// ****************************************************************
class TAO_Default_Resource_Factory : public TAO_Resource_Factory
{
// = TITLE
// TAO's default resource factory
//
// = DESCRIPTION
// Using a <{resource source specifier}> as a discriminator, the
// factory can return resource instances which are, e.g., global,
// stored in thread-specific storage, stored in shared memory,
// etc.
//
public:
// = Initialization and termination methods.
TAO_Default_Resource_Factory (void);
// Constructor.
virtual ~TAO_Default_Resource_Factory (void);
// Destructor.
// = Service Configurator hooks.
virtual int init (int argc, char* argv[]);
// Dynamic linking hook
int parse_args (int argc, char* argv[]);
// Parse svc.conf arguments
// = Member Accessors
enum
{
TAO_GLOBAL,
TAO_TSS
};
// = Type of Reactor
enum
{
TAO_REACTOR_SELECT_MT, // Use ACE_Token
TAO_REACTOR_SELECT_ST, // Use ACE_Noop_Token
TAO_REACTOR_FL,
TAO_REACTOR_XT,
TAO_REACTOR_WFMO,
TAO_REACTOR_MSGWFMO
};
// = Range of values for <{resource source specifier}>.
virtual void resource_source (int which_source);
// Set the resource source specifier.
virtual int resource_source (void);
// Get the resource source specifier.
virtual void poa_source (int which_source);
// Set the POA source specifier.
virtual int poa_source (void);
// Get the POA source specifier.
int cdr_allocator_source (void);
// Modify and get the source for the CDR allocators
// = Resource Retrieval
virtual ACE_Reactor *get_reactor (void);
virtual ACE_Thread_Manager *get_thr_mgr (void);
virtual TAO_Acceptor_Registry *get_acceptor_registry (void);
virtual TAO_Connector_Registry *get_connector_registry (void);
virtual TAO_POA *get_root_poa (void);
virtual TAO_Object_Adapter *object_adapter (void);
virtual ACE_Allocator* input_cdr_dblock_allocator (void);
virtual ACE_Allocator* input_cdr_buffer_allocator (void);
virtual ACE_Allocator* output_cdr_dblock_allocator (void);
virtual ACE_Allocator* output_cdr_buffer_allocator (void);
virtual ACE_Data_Block *create_input_cdr_data_block (size_t size);
virtual TAO_ProtocolFactorySet *get_protocol_factories (void);
virtual int init_protocol_factories (void);
protected:
ACE_Reactor_Impl *allocate_reactor_impl (void) const;
// Obtain the reactor implementation
protected:
int resource_source_;
// Flag indicating whether resources should be global or
// thread-specific.
int poa_source_;
// Flag indicating whether the POA should be global or
// thread-specific. If not set specifically, this takes on the
// value of <resource_source_>.
int reactor_type_;
// Flag indicating which kind of reactor we should use.
int cdr_allocator_source_;
// The source for the CDR allocator. Even with a TSS resource
// factory the user may be interested in global allocators for the
// CDR streams, for instance to keep the buffers around after the
// upcall and/or pass them to another thread.
TAO_ProtocolFactorySet protocol_factories_;
// list of loaded protocol factories.
// = Typedefs for the singleton types used to store our orb core
// information.
typedef ACE_Singleton<TAO_Allocated_Resources, ACE_SYNCH_MUTEX>
GLOBAL_ALLOCATED;
typedef ACE_TSS_Singleton<TAO_Allocated_Resources, ACE_SYNCH_MUTEX>
TSS_ALLOCATED;
};
#if defined (__ACE_INLINE__)
#include "tao/default_resource.i"
#endif /* __ACE_INLINE__ */
ACE_STATIC_SVC_DECLARE (TAO_Default_Resource_Factory)
ACE_FACTORY_DECLARE (TAO, TAO_Default_Resource_Factory)
#endif /* TAO_DEFAULT_CLIENT_H */
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