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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997,2007 Oracle. All rights reserved.
*
* $Id: cxx_dbc.cpp,v 12.10 2007/06/26 16:58:17 bostic Exp $
*/
#include "db_config.h"
#include "db_int.h"
#include "db_cxx.h"
#include "dbinc/cxx_int.h"
#include "dbinc/db_page.h"
#include "dbinc_auto/db_auto.h"
#include "dbinc_auto/crdel_auto.h"
#include "dbinc/db_dispatch.h"
#include "dbinc_auto/db_ext.h"
#include "dbinc_auto/common_ext.h"
// Helper macro for simple methods that pass through to the
// underlying C method. It may return an error or raise an exception.
// Note this macro expects that input _argspec is an argument
// list element (e.g., "char *arg") and that _arglist is the arguments
// that should be passed through to the C method (e.g., "(db, arg)")
//
#define DBC_METHOD(_name, _argspec, _arglist, _retok) \
int Dbc::_name _argspec \
{ \
int ret; \
DBC *dbc = this; \
\
ret = dbc->_name _arglist; \
if (!_retok(ret)) \
DB_ERROR(DbEnv::get_DbEnv(dbc->dbp->dbenv), \
"Dbc::" # _name, ret, ON_ERROR_UNKNOWN); \
return (ret); \
}
// It's private, and should never be called, but VC4.0 needs it resolved
//
Dbc::~Dbc()
{
}
DBC_METHOD(close, (void), (dbc), DB_RETOK_STD)
DBC_METHOD(count, (db_recno_t *countp, u_int32_t _flags),
(dbc, countp, _flags), DB_RETOK_STD)
DBC_METHOD(del, (u_int32_t _flags),
(dbc, _flags), DB_RETOK_DBCDEL)
int Dbc::dup(Dbc** cursorp, u_int32_t _flags)
{
int ret;
DBC *dbc = this;
DBC *new_cursor = 0;
ret = dbc->dup(dbc, &new_cursor, _flags);
if (DB_RETOK_STD(ret))
// The following cast implies that Dbc can be no larger than DBC
*cursorp = (Dbc*)new_cursor;
else
DB_ERROR(DbEnv::get_DbEnv(dbc->dbp->dbenv),
"Dbc::dup", ret, ON_ERROR_UNKNOWN);
return (ret);
}
int Dbc::get(Dbt* key, Dbt *data, u_int32_t _flags)
{
int ret;
DBC *dbc = this;
ret = dbc->get(dbc, key, data, _flags);
if (!DB_RETOK_DBCGET(ret)) {
if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(key))
DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbp->dbenv),
"Dbc::get", key, ON_ERROR_UNKNOWN);
else if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(data))
DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbp->dbenv),
"Dbc::get", data, ON_ERROR_UNKNOWN);
else
DB_ERROR(DbEnv::get_DbEnv(dbc->dbp->dbenv),
"Dbc::get", ret, ON_ERROR_UNKNOWN);
}
return (ret);
}
int Dbc::pget(Dbt* key, Dbt *pkey, Dbt *data, u_int32_t _flags)
{
int ret;
DBC *dbc = this;
ret = dbc->pget(dbc, key, pkey, data, _flags);
/* Logic is the same as for Dbc::get - reusing macro. */
if (!DB_RETOK_DBCGET(ret)) {
if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(key))
DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbp->dbenv),
"Dbc::pget", key, ON_ERROR_UNKNOWN);
else if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(data))
DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbp->dbenv),
"Dbc::pget", data, ON_ERROR_UNKNOWN);
else
DB_ERROR(DbEnv::get_DbEnv(dbc->dbp->dbenv),
"Dbc::pget", ret, ON_ERROR_UNKNOWN);
}
return (ret);
}
DBC_METHOD(put, (Dbt* key, Dbt *data, u_int32_t _flags),
(dbc, key, data, _flags), DB_RETOK_DBCPUT)
DBC_METHOD(get_priority, (DB_CACHE_PRIORITY *priorityp),
(dbc, priorityp), DB_RETOK_STD)
DBC_METHOD(set_priority, (DB_CACHE_PRIORITY pri), (dbc, pri), DB_RETOK_STD)
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