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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997, 1998, 1999, 2000
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: cxx_mpool.cpp,v 11.11 2000/09/21 15:05:45 dda Exp $";
#endif /* not lint */
#include <errno.h>
#include "db_cxx.h"
#include "cxx_int.h"
////////////////////////////////////////////////////////////////////////
// //
// DbMpoolFile //
// //
////////////////////////////////////////////////////////////////////////
DbMpoolFile::DbMpoolFile()
: imp_(0)
{
}
DbMpoolFile::~DbMpoolFile()
{
}
int DbMpoolFile::open(DbEnv *envp, const char *file,
u_int32_t flags, int mode, size_t pagesize,
DB_MPOOL_FINFO *finfop, DbMpoolFile **result)
{
int err;
DB_MPOOLFILE *mpf;
DB_ENV *env = unwrap(envp);
if ((err = ::memp_fopen(env, file, flags, mode, pagesize,
finfop, &mpf)) != 0) {
DB_ERROR("DbMpoolFile::open", err, envp->error_policy());
return (err);
}
*result = new DbMpoolFile();
(*result)->imp_ = wrap(mpf);
return (0);
}
int DbMpoolFile::close()
{
DB_MPOOLFILE *mpf = unwrap(this);
int err = 0;
if (!mpf) {
err = EINVAL;
}
else if ((err = ::memp_fclose(mpf)) != 0) {
DB_ERROR("DbMpoolFile::close", err, ON_ERROR_UNKNOWN);
return (err);
}
imp_ = 0; // extra safety
// This may seem weird, but is legal as long as we don't access
// any data before returning.
//
delete this;
return (0);
}
int DbMpoolFile::get(db_pgno_t *pgnoaddr, u_int32_t flags, void *pagep)
{
DB_MPOOLFILE *mpf = unwrap(this);
int err = 0;
if (!mpf) {
err = EINVAL;
}
else if ((err = ::memp_fget(mpf, pgnoaddr, flags, pagep)) != 0) {
DB_ERROR("DbMpoolFile::get", err, ON_ERROR_UNKNOWN);
}
return (err);
}
int DbMpoolFile::put(void *pgaddr, u_int32_t flags)
{
DB_MPOOLFILE *mpf = unwrap(this);
int err = 0;
if (!mpf) {
err = EINVAL;
}
else if ((err = ::memp_fput(mpf, pgaddr, flags)) != 0) {
DB_ERROR("DbMpoolFile::put", err, ON_ERROR_UNKNOWN);
}
return (err);
}
int DbMpoolFile::set(void *pgaddr, u_int32_t flags)
{
DB_MPOOLFILE *mpf = unwrap(this);
int err = 0;
if (!mpf) {
err = EINVAL;
}
else if ((err = ::memp_fset(mpf, pgaddr, flags)) != 0) {
DB_ERROR("DbMpoolFile::set", err, ON_ERROR_UNKNOWN);
}
return (err);
}
int DbMpoolFile::sync()
{
DB_MPOOLFILE *mpf = unwrap(this);
int err = 0;
if (!mpf) {
err = EINVAL;
}
else if ((err = ::memp_fsync(mpf)) != 0 && err != DB_INCOMPLETE) {
DB_ERROR("DbMpoolFile::sync", err, ON_ERROR_UNKNOWN);
}
return (err);
}
////////////////////////////////////////////////////////////////////////
// //
// DbMpool //
// //
////////////////////////////////////////////////////////////////////////
int DbEnv::memp_register(int ftype,
pgin_fcn_type pgin_fcn,
pgout_fcn_type pgout_fcn)
{
DB_ENV *env = unwrap(this);
int err = 0;
if ((err = ::memp_register(env, ftype, pgin_fcn, pgout_fcn)) != 0) {
DB_ERROR("DbEnv::memp_register", err, error_policy());
return (err);
}
return (err);
}
int DbEnv::memp_stat(DB_MPOOL_STAT **gsp, DB_MPOOL_FSTAT ***fsp,
db_malloc_fcn_type db_malloc_fcn)
{
DB_ENV *env = unwrap(this);
int err = 0;
if ((err = ::memp_stat(env, gsp, fsp, db_malloc_fcn)) != 0) {
DB_ERROR("DbEnv::memp_stat", err, error_policy());
return (err);
}
return (err);
}
int DbEnv::memp_sync(DbLsn *sn)
{
DB_ENV *env = unwrap(this);
int err = 0;
if ((err = ::memp_sync(env, sn)) != 0 && err != DB_INCOMPLETE) {
DB_ERROR("DbEnv::memp_sync", err, error_policy());
return (err);
}
return (err);
}
int DbEnv::memp_trickle(int pct, int *nwrotep)
{
DB_ENV *env = unwrap(this);
int err = 0;
if ((err = ::memp_trickle(env, pct, nwrotep)) != 0) {
DB_ERROR("DbEnv::memp_trickle", err, error_policy());
return (err);
}
return (err);
}
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