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// This may look like C, but it's really -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// UIOP_Connector.h
//
// = DESCRIPTION
// UIOP specific connector processing
//
// = AUTHOR
// Fred Kuhns <fredk@cs.wustl.edu>
// Ossama Othman <othman@cs.wustl.edu>
//
// ============================================================================
#ifndef TAO_UIOP_CONNECTOR_H
#define TAO_UIOP_CONNECTOR_H
#include "tao/Pluggable.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
# if TAO_HAS_UIOP == 1
#include "ace/Connector.h"
#include "ace/LSOCK_Connector.h"
#include "tao/UIOP_Connect.h"
#include "tao/Resource_Factory.h"
#if defined (TAO_USES_ROBUST_CONNECTION_MGMT)
#if defined(__GNUC__) && __GNUC__ == 2 && __GNUC_MINOR__ < 8
#define ACE_HAS_BROKEN_EXTENDED_TEMPLATES
#endif /* __GNUC__ */
#include "ace/Cached_Connect_Strategy_T.h"
#endif /* TAO_USES_ROBUST_CONNECTION_MGMT */
typedef ACE_Strategy_Connector<TAO_UIOP_Client_Connection_Handler,
ACE_LSOCK_CONNECTOR>
TAO_UIOP_BASE_CONNECTOR;
// ****************************************************************
class TAO_Export TAO_UIOP_Connect_Creation_Strategy : public ACE_Creation_Strategy<TAO_UIOP_Client_Connection_Handler>
{
// = TITLE
// Helper creation strategy
//
// = DESCRIPTION
// Creates UIOP_Client_Connection_Handler objects but satisfies
// the interface required by the
// ACE_Creation_Strategy<TAO_UIOP_Client_Connection_Handler>
//
public:
TAO_UIOP_Connect_Creation_Strategy (ACE_Thread_Manager * = 0,
TAO_ORB_Core* orb_core = 0,
CORBA::Boolean flag = 0);
virtual int make_svc_handler (TAO_UIOP_Client_Connection_Handler *&sh);
// Makes TAO_UIOP_Client_Connection_Handlers
private:
TAO_ORB_Core* orb_core_;
// The ORB
CORBA::Boolean lite_flag_;
// Are we using lite?
};
// ****************************************************************
class TAO_Export TAO_UIOP_Connector : public TAO_Connector
{
// = TITLE
// UIOP-specific Connector bridge for pluggable protocols.
//
// = DESCRIPTION
//
public:
// = Initialization and termination methods.
TAO_UIOP_Connector (CORBA::Boolean flag = 0);
// Constructor.
// @@ Do we want to pass in the tag here or should it be statically
// defined?
// = The TAO_Connector methods, please check the documentation on
// Pluggable.h
int open (TAO_ORB_Core *orb_core);
int close (void);
int connect (TAO_Profile *profile,
TAO_Transport *&transport,
ACE_Time_Value *max_wait_time);
int preconnect (const char *preconnections);
TAO_Profile *create_profile (TAO_InputCDR& cdr);
virtual int check_prefix (const char *endpoint);
virtual char object_key_delimiter (void) const;
#if defined (TAO_USES_ROBUST_CONNECTION_MGMT)
virtual int purge_connections (void);
// Purge "old" connections.
#endif /* TAO_USES_ROBUST_CONNECTION_MGMT */
protected:
// = More TAO_Connector methods, please check the documentation on
// Pluggable.h
virtual void make_profile (const char *endpoint,
TAO_Profile *&,
CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ());
#if defined (TAO_USES_ROBUST_CONNECTION_MGMT)
virtual int make_caching_strategy (void);
// According to the option specified, create the appropriate caching
// strategy used for purging unused connections from the connection
// cache.
#endif /* TAO_USES_ROBUST_CONNECTION_MGMT */
public:
#if defined (TAO_USES_ROBUST_CONNECTION_MGMT)
// = Connection Caching Strategy.
typedef size_t TAO_ATTRIBUTES;
typedef ACE_Pair<TAO_UIOP_Client_Connection_Handler *,
TAO_ATTRIBUTES>
TAO_CACHED_HANDLER;
typedef ACE_Refcounted_Hash_Recyclable<ACE_UNIX_Addr>
TAO_IADDR;
typedef ACE_Hash<TAO_IADDR> TAO_HASH_KEY;
typedef ACE_Equal_To<TAO_IADDR> TAO_COMPARE_KEYS;
typedef ACE_Hash_Map_Manager_Ex<TAO_IADDR,
TAO_CACHED_HANDLER,
TAO_HASH_KEY,
TAO_COMPARE_KEYS,
ACE_Null_Mutex>
TAO_HASH_MAP;
typedef ACE_Hash_Map_Iterator_Ex<TAO_IADDR,
TAO_CACHED_HANDLER,
TAO_HASH_KEY,
TAO_COMPARE_KEYS,
ACE_Null_Mutex>
TAO_HASH_MAP_ITERATOR;
typedef ACE_Hash_Map_Reverse_Iterator_Ex<TAO_IADDR,
TAO_CACHED_HANDLER,
TAO_HASH_KEY,
TAO_COMPARE_KEYS,
ACE_Null_Mutex>
TAO_HASH_MAP_REVERSE_ITERATOR;
typedef ACE_Refcounted_Recyclable_Handler_Caching_Utility<TAO_IADDR,
TAO_CACHED_HANDLER,
TAO_HASH_MAP,
TAO_HASH_MAP_ITERATOR,
TAO_ATTRIBUTES>
TAO_CACHING_UTILITY;
#if defined (ACE_HAS_BROKEN_EXTENDED_TEMPLATES)
typedef ACE_LRU_Caching_Strategy<TAO_ATTRIBUTES,
TAO_CACHING_UTILITY>
TAO_CACHING_STRATEGY;
#else
typedef ACE_Caching_Strategy<TAO_ATTRIBUTES,
TAO_CACHING_UTILITY>
TAO_CACHING_STRATEGY;
#endif /* ACE_HAS_BROKEN_EXTENDED_TEMPLATES */
typedef ACE_Cached_Connect_Strategy_Ex<TAO_UIOP_Client_Connection_Handler,
ACE_LSOCK_CONNECTOR,
TAO_CACHING_STRATEGY,
TAO_ATTRIBUTES,
TAO_Cached_Connector_Lock>
TAO_CACHED_CONNECT_STRATEGY;
#endif /* TAO_USES_ROBUST_CONNECTION_MGMT */
typedef ACE_NOOP_Creation_Strategy<TAO_UIOP_Client_Connection_Handler>
TAO_NULL_CREATION_STRATEGY;
typedef ACE_NOOP_Concurrency_Strategy<TAO_UIOP_Client_Connection_Handler>
TAO_NULL_ACTIVATION_STRATEGY;
private:
TAO_NULL_CREATION_STRATEGY null_creation_strategy_;
TAO_NULL_ACTIVATION_STRATEGY null_activation_strategy_;
TAO_UIOP_BASE_CONNECTOR base_connector_;
// The connector initiating connection requests for UIOP.
TAO_ORB_Core *orb_core_;
// ORB Core.
CORBA::Boolean lite_flag_;
// Do we need to use a GIOP_Lite for sending messages?
#if defined (TAO_USES_ROBUST_CONNECTION_MGMT)
TAO_CACHED_CONNECT_STRATEGY *cached_connect_strategy_;
// Cached connect strategy.
TAO_CACHING_STRATEGY *caching_strategy_;
// Caching strategy which decides the order of removal of entries
// from the connection cache.
#endif /* TAO_USES_ROBUST_CONNECTION_MGMT */
};
# endif /* TAO_HAS_UIOP == 1 */
#endif /* TAO_UIOP_CONNECTOR_H */
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