haframework.h

extremeDB s sample code,useful for you

/*******************************************************************
 *                                                                 *
 *  userdef.h                                                      *
 *                                                                 *
 *  This file is a part of the eXtremeDB-HA Application Framework  *
 *  Copyright (c) 2001-2006 McObject LLC                           * 
 *  All Rights Reserved                                            *
 *                                                                 *
 *******************************************************************/
/*
 * ++
 * 
 * PROJECT:   eXtremeDB(tm) (c) 2003 McObject LLC
 *
 * SUBSYSTEM: HA support
 *
 * MODULE:    USERDEF.H
 *
 * ABSTRACT:  Low level OS dependent IPC framework. User definitions.
 *
 * VERSION:   1.0
 *
 * HISTORY:
 *            1.0- 1 SS  1-Aug-2003 Created it was
 *
 */

#ifndef	_USERDEF_H_
	#define	_USERDEF_H_

#define INCLUDE_SOCKETS
#include "platform.h"
#include "mco.h"
#include "mcoHA.h"

#ifdef CFG_USER_DEFINED_CHANNEL

#ifdef __cplusplus
extern "C" { 
#endif

/**********************************************************************
        definitions of HA endpoints
 **********************************************************************/

#define CHANNEL_NAME "Unknown"

#define nw_MasterName       "userdef"
//
#define nw_ConnectionString1 "userdef"
#define nw_ConnectionString2 "userdef"
#define nw_ConnectionString3 "userdef"
#ifdef SECOND_INTERFACE
  #define nw_ConnectionString4 "userdef"
  #define nw_ConnectionString5 "userdef"
#endif	

/**********************************************************************
        definitions of HA timeouts
 **********************************************************************/

/*  Master/replica timeouts. These parameters
 *  are passed to the mco_HA_attach_replica() & mco_HA_attach_master()
 */

#if(CFG_USER_DEFINED_CHANNEL)

  #define TM_ATTACH_REPLICA    1000*5 // time to establish initial connection and the initial
                                      // databases synchronization
  #define TM_DETACH_REPLICA    1000*5 // time to disconnect a replica from the master
  #define TM_MASTER_COMMIT     1000*5 // total commit time (master)
  #define TM_REPLICA_COMMIT    1000*5 // total database update time at the replica side
                                      // "replica commit"
  #define TM_WAIT_FOR_DATA     1000*5 // amount of time a replica waits for the next transaction.

  #define TM_INFINITE       -1 // also used if the parameter is irrelevant

//
  #define RECONNECTION_DELAY   1000
  #define TM_CONNECTION_TIMEOUT   1000
  #define TM_ACCEPT_TIMEOUT       1000
#endif

/*******************************************************************
 * Insert here the definitions and functions prototipes that are 
 * necessary for realisation of your own communication protocol
 */

/***************************************************************************
 *                Definitions of  user-defined-channel                     * 
 ***************************************************************************/

#define NW_MAX_NAMELENGTH 64            // max length of host name

  typedef struct nw_channel_
  {
    mco_channel_t   mco_channel;        // internal HA channel descriptor
    uint2           status;             // channel status
    void *          db;                 // database handle
  } nw_channel_t, *nw_channel_h;

#ifdef __cplusplus
  }
#endif

#endif  //CFG_USER_DEFINED_CHANNEL

#endif  //_USERDEF_H_