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/* -*- C++ -*- */
//=============================================================================
/**
* @file Replicator.h
*
* This class manages the synchronizing of XML files and server status
* shared between multiple Locators.
*
*/
//=============================================================================
#ifndef REPLICATOR_H
#define REPLICATOR_H
#include "ace/config-lite.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ImR_LocatorS.h"
#include "ace/Bound_Ptr.h"
#include "ace/Vector_T.h"
#include "ace/Task.h"
#include <set>
class Replicator;
class Shared_Backing_Store;
class Options;
class UPN_i : public virtual POA_ImplementationRepository::UpdatePushNotification
{
public:
UPN_i (Replicator &owner);
/// provide the implementation for being notified of a
/// server or activator update
virtual void notify_update (CORBA::ULongLong seq_num,
const ImplementationRepository::UpdateInfoSeq& info);
/// provide the implementation for registering a peer replica
/// @param replica the peer replica
/// @param ft_imr_ior the fault tolerant ImR IOR (passed in
/// as the replica's ImR IOR, passed back as fault
/// tolerant ImR IOR)
/// @param seq_num current sequence number to return to replica
virtual void register_replica
(ImplementationRepository::UpdatePushNotification_ptr replica,
char*& ft_imr_ior,
CORBA::ULongLong_out seq_num);
private:
Replicator &owner_;
};
/**
* @class Replicator
*
* @brief XML backing store containing all ImR persistent information in
* multiple files shared between multiple Locators
*
*/
class Replicator : public ACE_Task_Base
{
public:
friend class UPN_i;
typedef ImplementationRepository::UpdatePushNotification_var Replica_var;
typedef ImplementationRepository::UpdatePushNotification_ptr Replica_ptr;
typedef ACE_Hash_Map_Manager_Ex<ACE_CString,
ImplementationRepository::AAM_Status,
ACE_Hash<ACE_CString>,
ACE_Equal_To<ACE_CString>,
ACE_Null_Mutex> AAM_StatusMap;
Replicator (Shared_Backing_Store &repo, const Options& opts);
virtual ~Replicator(void);
virtual int svc (void);
virtual int handle_exception (ACE_HANDLE );
void stop (void);
void send_access_state (const char *name, ImplementationRepository::AAM_Status state);
void send_entity (ImplementationRepository::UpdateInfo &info);
void init_orb (void);
bool init_peer (const ACE_CString &filename );
int send_registration (char *&ior );
bool peer_available (void);
char * ior (void);
private:
Replica_var me_;
Replica_var peer_;
CORBA::ULongLong seq_num_;
CORBA::ULongLong replica_seq_num_;
Shared_Backing_Store &repo_;
AAM_StatusMap prev_update_;
CORBA::ORB_var orb_;
ACE_Reactor *reactor_;
TAO_SYNCH_MUTEX lock_;
bool notified_;
ImplementationRepository::UpdateInfoSeq to_send_;
int debug_;
ACE_CString endpoint_;
ACE_Time_Value update_delay_;
};
#endif /* REPLICATOR_H */
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