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// This may look like C, but it's really -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// default_server.h
//
// = AUTHOR
// Chris Cleeland
//
// ============================================================================
#ifndef TAO_DEFAULT_SERVER_FACTORY_H
# define TAO_DEFAULT_SERVER_FACTORY_H
#include "tao/corbafwd.h"
#include "tao/Server_Strategy_Factory.h"
#include "tao/params.h"
#include "tao/ORB_Strategies_T.h"
class TAO_Default_Server_Strategy_Factory : public TAO_Server_Strategy_Factory
{
// = TITLE
// This is the default strategy factory for CORBA servers. It
// allows developers to choose strategies via argument flags.
// This design gives substantial freedom for experimentation.
//
// = DESCRIPTION
public:
// = Initialization and termination methods.
TAO_Default_Server_Strategy_Factory (void);
virtual ~TAO_Default_Server_Strategy_Factory (void);
// = Service Configurator hooks.
virtual int init (int argc, char *argv[]);
// = The TAO_Server_Strategy_Factory methods, please read the
// documentation in "tao/Server_Strategy_Factory.h"
virtual int open (TAO_ORB_Core*);
virtual int enable_poa_locking (void);
virtual int activate_server_connections (void);
virtual int server_connection_thread_flags (void);
virtual int server_connection_thread_count (void);
virtual ACE_Lock *create_servant_lock (void);
// The servant lock is based on the setting of POA, and concurrency
// strategy as follows:
// 1. If concurrency policy is reactive and POA is TSS
// then return ACE_Null_Mutex via ACE_Lock_Adapter.
//
// 2. If concurrency policy is non-reactive then
// return ACE_Thread_Mutex ...
//
// 3. If the POA is global then, return
// ACE_Null_Mutex iff ORB_init count == 1,
// else if ORB_init count > 1 return
// ACE_Thread_Mutex.
virtual ACE_Lock *create_event_loop_lock (void);
// If the ORB is single threaded or some form of ORB-per-thread then
// it is more efficient to use a Null_Mutex for the variables
// controlling the event loop (termination). Otherwise a
// Recursive_Thread_Mutex or Thread_Mutex may be required.
virtual ACE_Lock *create_cached_connector_lock (void);
int parse_args (int argc, char *argv[]);
// Arguments are in the form of -ORBxxx. Valid arguments are:
// <-ORBconcurrency> <{which}>
// where <{which}> is one of <reactive> or <thread-per-connection>.
// <-ORBtablesize> <{num}>
// to set the table size
// <-ORBdemuxstrategy> <{which}>
// where <{which}> is one of <dynamic>, <linear>, or <active>
// <-ORBpoalock> <{which}>
// where <{which}> is one of <thread> or <null> (default <thread>)
// <-ORBpoamgrlock> <{which}>
// where <{which}> is one of <thread> or <null> (default <thread>)
// <-ORBeventlock> <{which}>
// where <{which}> is one of <thread> or <null> (default <null>)
protected:
void tokenize (char *flag_string);
protected:
int activate_server_connections_;
// Should the server connection handlers run in their own thread?
u_long thread_flags_;
// Default thread flags passed to thr_create().
enum Lock_Type
{
TAO_NULL_LOCK,
TAO_THREAD_LOCK
};
Lock_Type poa_lock_type_;
// The type of lock to be returned by <create_poa_lock()>.
Lock_Type poa_mgr_lock_type_;
// The type of lock to be returned by <create_poa_mgr_lock()>.
Lock_Type event_loop_lock_type_;
// The type of lock to be returned by <create_event_loop_lock()>.
Lock_Type cached_connector_lock_type_;
// Type of lock used by the cached connector.
};
#if defined (__ACE_INLINE__)
# include "tao/default_server.i"
#endif /* __ACE_INLINE__ */
ACE_STATIC_SVC_DECLARE (TAO_Default_Server_Strategy_Factory)
ACE_FACTORY_DECLARE (TAO, TAO_Default_Server_Strategy_Factory)
#endif /* TAO_DEFAULT_SERVER_FACTORY_H */
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