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// -*- C++ -*-
//=============================================================================
/**
* @file Replication_Service.h
*
* $Id$
*
* @author Huang-Ming Huang <hh1@cse.wustl.edu>
*/
//=============================================================================
#ifndef REPLCATION_SERVICE_H
#define REPLCATION_SERVICE_H
#include "orbsvcs/FtRtecEventChannelAdminC.h"
#include "FTEC_Become_Primary_Listener.h"
#include "tao/PortableInterceptorC.h"
#include "ace/Service_Object.h"
#include "ftrtec_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
namespace FTRTEC
{
class TAO_FTRTEC_Export Replication_Service
: public TAO_FTEC_Become_Primary_Listener
, public ACE_Service_Object
{
public:
static Replication_Service* instance();
Replication_Service();
~Replication_Service();
virtual int init (int argc,
ACE_TCHAR* []);
virtual void become_primary();
/**
* Used for checking if the incoming replication message is out of sequence.
*/
void check_validity(ACE_ENV_SINGLE_ARG_DECL);
typedef void (FtRtecEventChannelAdmin::EventChannelFacade::*RollbackOperation)
(const FtRtecEventChannelAdmin::ObjectId& ACE_ENV_ARG_DECL_WITH_DEFAULTS);
/**
* Replicate a request.
*
* @param state The request to be replicated.
* @param rollback The rollback operation when the replication failed.
*/
void replicate_request(const FtRtecEventChannelAdmin::Operation& update,
RollbackOperation rollback
ACE_ENV_ARG_DECL);
/**
* Inform the backup replicas that a new replica has joined the object
* group.
*/
void add_member(const FTRT::ManagerInfo & info,
CORBA::ULong object_group_ref_version
ACE_ENV_ARG_DECL);
int acquire_read (void);
int acquire_write (void);
int release (void);
int threads() const;
};
ACE_STATIC_SVC_DECLARE_EXPORT (TAO_FTRTEC, Replication_Service)
ACE_STATIC_SVC_REQUIRE(Replication_Service)
ACE_FACTORY_DECLARE (TAO_FTRTEC, Replication_Service)
}
#endif //REPLCATION_SERVICE_H
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