kern.h

/* 
   EyeDB Object Database Management System
   Copyright (C) 1994-2008 SYSRA
   
   EyeDB is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
   
   EyeDB is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.
   
   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA 
*/

/*
   Author: Eric Viara <viara@sysra.com>
*/


#ifndef _EYEDBSM_KERN_H
#define _EYEDBSM_KERN_H

#include <eyedbsm/eyedbsm.h>
#include "xm_alloc.h"

namespace eyedbsm {

struct DbLocalHandle {
  int logfd;
  char *dbfile;
  int xid;
};

extern Status
  ESM_dbOpen(const char *dbfile, int flags,
            const OpenHints *hints, int *id, void **pmutp,
            int create_mode, unsigned int xid,
            unsigned int *pversion, DbHandle **dbh),
  ESM_dbClose(const DbHandle *dbh),
  ESM_dbOpenLocal(const char *dbfile, int flags,
                 int *id, unsigned int *xid,
                 DbLocalHandle **dbh),
  ESM_dbCloseLocal(const DbLocalHandle *dbh),

  ESM_dbSetuid(DbHandle *dbh, int uid),

  ESM_guestUidGet(DbHandle const *dbh, int *uid),
  ESM_guestUidSet(DbHandle *dbh, int uid),

  ESM_rootEntrySet(DbHandle const *dbh, char const *const key,
                  void const *const data, unsigned int size, Boolean create),
  ESM_rootEntryGet(DbHandle const *dbh, char const *const key,
                  void *data, int maxsize),
  ESM_rootEntryDelete(DbHandle const *dbh, char const *const key),

  ESM_objectCreate(DbHandle const *dbh, void const *const object,
                   unsigned int size, short dspid, Oid *oid, OPMode),
  ESM_objectCreate_x(DbHandle const *dbh, void const *const object,
                     unsigned int size, short dspid, Oid *oid, OPMode,
                    unsigned int create_flags),
  ESM_objectDelete(DbHandle const *dbh, Oid const *const oid,
                  OPMode),
  ESM_objectWrite(DbHandle const *dbh, int start, int length,
                 void const *const object, Oid const *const oid,
                 OPMode),
  ESM_objectWriteCache(DbHandle const *dbh, int start,
                      void const *const object, Oid const *const oid),
  ESM_objectRead(DbHandle const *dbh, int start, int length, void *object,
                LockMode lockmode, short *pdatid, unsigned int *psize,
                Oid const *const oid, OPMode),
  ESM_objectReadNoCopy(DbHandle const *dbh, int start, int length,
                      void *object, LockMode lockmode, short *pdatid,
                       unsigned int *psize, Oid const *const oid, OPMode),
  ESM_objectReadCache(DbHandle const *dbh, int start, void **object,
                     LockMode lockmode, Oid const *const oid),
  ESM_objectValidate(DbHandle const *, Oid const *const),

#ifdef ESM_SERVER
  ESM_objectCreate_server(DbHandle const *dbh, void const *const object,
                          unsigned int size, Oid *oid, rpc_ServerData *data,
                         OPmode),
  ESM_objectWrite_server(DbHandle const *dbh, int start, int length,
                        void const *const object, Oid const *const oid,
                        rpc_ServerData *data, OPMode),
  ESM_objectRead_server(DbHandle const *dbh, int start, int length,
                       void *object, Oid const *const oid, rpc_ServerData *data),

#endif

  ESM_bornAgainEpilogue(DbHandle const *dbh, Oid const *const o_oid,
                       Oid const *const n_oid, NS ns, short datid),

  ESM_objectSizeGet(DbHandle const *dbh, unsigned int *size, LockMode lockmode,
                   Oid const *const oid, OPMode),
  
  ESM_objectSizeModify(DbHandle const *dbh, unsigned int size, Boolean,
                      Oid const *const oid, OPMode),

  ESM_objectCheckAccess(DbHandle const *dbh, Boolean write,
                       Oid const *const oid, Boolean *access),

  ESM_objectLocationGet(DbHandle const *dbh, const Oid *oid,
                       ObjectLocation *objloc),

  ESM_objectsLocationGet(DbHandle const *dbh, const Oid *oid,
                        ObjectLocation *objloc, unsigned int oid_cnt),

  ESM_registerStart(DbHandle const *dbh, unsigned int reg_mask),
  ESM_registerClear(DbHandle const *dbh),
  ESM_registerEnd(DbHandle const *dbh),
  ESM_registerGet(DbHandle const *dbh, Register **),

  ESM_objectMoveDatDsp(DbHandle const *dbh, Oid const *const oid,
                      short datid, short dspid, Boolean keepDatid,
                      OPMode opmode),

  ESM_objectsMoveDatDsp(DbHandle const *dbh, Oid const *const oid,
                       unsigned int oid_cnt, short datid, short dspid,
                       Boolean keepDatid, OPMode opmode),

  ESM_firstOidDatGet(DbHandle const *dbh, short datid, Oid *oid,
                    Boolean *found),
  ESM_nextOidDatGet(DbHandle const *dbh, short datid,
                   Oid const *const baseoid, Oid *nextoid,
                   Boolean *found),

  ESM_firstOidGet_map(DbHandle const *dbh, short datid, Oid *oid,
                     Boolean *found),
  ESM_nextOidGet_map(DbHandle const *dbh, short datid,
                    Oid const *const baseoid, Oid *nextoid,
                    Boolean *found),

  ESM_firstOidGet_omp(DbHandle const *dbh, Oid *oid,
                     Boolean *found),
  ESM_nextOidGet_omp(DbHandle const *dbh,
                    Oid const *const baseoid, Oid *nextoid,
                    Boolean *found),

  //  ESM_mapInfoGet(DbHandle const *dbh, MapInfo *mpi),

  ESM_suserUnset(DbHandle *dbh),

  ESM_datCreate(DbHandle const *dbh, const char *file, const char *name,
                unsigned long long maxsize, MapType mtype, unsigned int sizeslot,
                DatType, mode_t file_mask, const char *file_group),

  ESM_datMove(DbHandle const *dbh, const char *datfile,
             const char *newdatfile, Boolean force),

  ESM_datDelete(DbHandle const *dbh, const char *datfile, Boolean force),

  ESM_datResize(DbHandle const *dbh, const char *datfile,
                unsigned long long newmaxsize),

  ESM_datCheck(DbHandle const *dbh, const char *datfile,
              short *datid, short *dspid),
                    
  ESM_datMoveObjects(DbHandle const *dbh, const char *dat_src,
                    const char *dat_dest),
                    
  ESM_datResetCurSlot(DbHandle const *dbh, const char *datfile),

  ESM_datDefragment(DbHandle const *dbh, const char *datfile, mode_t file_mask, const char *file_group),

  ESM_datsCompress(DbHandle const *dbh),

  ESM_datRename(DbHandle const *dbh, const char *datfile, const char *name),

  ESM_datGetInfo(DbHandle const *dbh, const char *datfile,
                DatafileInfo *info),

  ESM_datGetDspid(DbHandle const *dbh, short datid, short *dspid),

  ESM_dspSetDefault(DbHandle const *dbh, const char *datafile,
               Boolean fromDbCreate),

  ESM_dspGetDefault(DbHandle const *dbh, short *dspid),

  ESM_dspCreate(DbHandle const *dbh, const char *dataspace,
               const char **datfiles, unsigned int datfile_cnt,
               Boolean fromDbCreate),

  ESM_dspUpdate(DbHandle const *dbh, const char *dataspace,
               const char **datfiles, unsigned int datfile_cnt),

  ESM_dspDelete(DbHandle const *dbh, const char *dataspace),
  ESM_dspRename(DbHandle const *dbh, const char *dataspace,
               const char *dataspace_new),

  ESM_dspCheck(DbHandle const *dbh, const char *dataspace, short *dspid,
              short datid[], unsigned int *ndat),

  ESM_dspSetCurDat(DbHandle const *dbh, const char *dataspace, const char *),
  ESM_dspGetCurDat(DbHandle const *dbh, const char *dataspace, short *cur),

  ESM_protectionCreate(DbHandle const *dbh,
                      ProtectionDescription const *desc,
                      Oid *oid),

  ESM_protectionDelete(DbHandle const *dbh, Oid const *const oid),

  ESM_protectionModify(DbHandle const *dbh,
                      ProtectionDescription const *desc,
                      Oid const *oid),

  ESM_protectionGetByName(DbHandle const *dbh,
                         char const *name,
                         ProtectionDescription **desc,
                         Oid *oid),

  ESM_protectionGetByOid(DbHandle const *dbh,
                        Oid const *oid,
                        ProtectionDescription **desc),

  ESM_protectionListGet(DbHandle const *dbh,
                       Oid **oid, ProtectionDescription ***desc,
                        unsigned int *nprot),

  ESM_dbProtectionAdd(DbHandle const *dbh,
                     DbProtectionDescription const *desc, int nprot),

  ESM_dbProtectionGet(DbHandle const *dbh,
                     DbProtectionDescription **desc, unsigned int *nprot),

  ESM_objectProtectionSet(DbHandle const *dbh, Oid const *const oid,
                         Oid const *const protoid, OPMode),
  ESM_objectProtectionGet(DbHandle const *dbh, Oid const *const oid,
                         Oid *protoid),

  ESM_protectionsVolatUpdate(DbHandle const *dbh),

  ESM_objectRestore(DbHandle const *dbh, Oid const *const oid,
                    NS ns, short datid),
  ESM_objectDeleteByOidLoc(DbHandle const *dbh, Oid const *const oid,
                           NS ns, short datid);

extern int ESM_getOpenFlags(DbHandle const *dbh);
extern unsigned int ESM_xidGet(DbHandle *dbh);
extern void ESM_uidSet(DbHandle *dbh, int uid);
extern int ESM_uidGet(DbHandle *dbh);

enum ESM_oidsTraceAction {
  ESM_allOids = 1,
  ESM_invalidOids,
  ESM_oidCount
};

extern void
  ESM_oidsTrace(DbHandle const *const, ESM_oidsTraceAction, FILE *);

extern int
  ESM_dataBaseIdGet(DbHandle const *dbh);

extern const char *
  shmfileGet(const char *);

#define ESM_REGISTER(DBH, OP, X) do { \
      if ((DBH)->vd->reg && ((DBH)->vd->reg_mask & (OP))) X; \
} while(0)

}

#endif

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