1/*-
2 * See the file LICENSE for redistribution information.
3 *
4 * Copyright (c) 1997,2008 Oracle.  All rights reserved.
5 *
6 * $Id: cxx_mpool.cpp,v 12.12 2008/01/08 20:58:09 bostic Exp $
7 */
8
9#include "db_config.h"
10
11#include "db_int.h"
12
13#include "db_cxx.h"
14#include "dbinc/cxx_int.h"
15
16// Helper macros for simple methods that pass through to the
17// underlying C method. It may return an error or raise an exception.
18// Note this macro expects that input _argspec is an argument
19// list element (e.g., "char *arg") and that _arglist is the arguments
20// that should be passed through to the C method (e.g., "(mpf, arg)")
21//
22#define	DB_MPOOLFILE_METHOD(_name, _argspec, _arglist, _retok)		\
23int DbMpoolFile::_name _argspec						\
24{									\
25	int ret;							\
26	DB_MPOOLFILE *mpf = unwrap(this);				\
27									\
28	if (mpf == NULL)						\
29		ret = EINVAL;						\
30	else								\
31		ret = mpf->_name _arglist;				\
32	if (!_retok(ret))						\
33		DB_ERROR(DbEnv::get_DbEnv(mpf->env->dbenv), 		\
34			"DbMpoolFile::"#_name, ret, ON_ERROR_UNKNOWN);	\
35	return (ret);							\
36}
37
38#define	DB_MPOOLFILE_METHOD_VOID(_name, _argspec, _arglist)		\
39void DbMpoolFile::_name _argspec					\
40{									\
41	DB_MPOOLFILE *mpf = unwrap(this);				\
42									\
43	mpf->_name _arglist;						\
44}
45
46////////////////////////////////////////////////////////////////////////
47//                                                                    //
48//                            DbMpoolFile                             //
49//                                                                    //
50////////////////////////////////////////////////////////////////////////
51
52DbMpoolFile::DbMpoolFile()
53:	imp_(0)
54{
55}
56
57DbMpoolFile::~DbMpoolFile()
58{
59}
60
61int DbMpoolFile::close(u_int32_t flags)
62{
63	DB_MPOOLFILE *mpf = unwrap(this);
64	int ret;
65	DbEnv *dbenv = DbEnv::get_DbEnv(mpf->env->dbenv);
66
67	if (mpf == NULL)
68		ret = EINVAL;
69	else
70		ret = mpf->close(mpf, flags);
71
72	imp_ = 0;                   // extra safety
73
74	// This may seem weird, but is legal as long as we don't access
75	// any data before returning.
76	delete this;
77
78	if (!DB_RETOK_STD(ret))
79		DB_ERROR(dbenv, "DbMpoolFile::close", ret, ON_ERROR_UNKNOWN);
80
81	return (ret);
82}
83
84DB_MPOOLFILE_METHOD(get,
85    (db_pgno_t *pgnoaddr, DbTxn *txn, u_int32_t flags, void *pagep),
86    (mpf, pgnoaddr, unwrap(txn), flags, pagep), DB_RETOK_MPGET)
87DB_MPOOLFILE_METHOD(open,
88    (const char *file, u_int32_t flags, int mode, size_t pagesize),
89    (mpf, file, flags, mode, pagesize), DB_RETOK_STD)
90DB_MPOOLFILE_METHOD(put,
91    (void *pgaddr, DB_CACHE_PRIORITY priority, u_int32_t flags),
92    (mpf, pgaddr, priority, flags), DB_RETOK_STD)
93DB_MPOOLFILE_METHOD(get_clear_len, (u_int32_t *lenp),
94    (mpf, lenp), DB_RETOK_STD)
95DB_MPOOLFILE_METHOD(set_clear_len, (u_int32_t len),
96    (mpf, len), DB_RETOK_STD)
97DB_MPOOLFILE_METHOD(get_fileid, (u_int8_t *fileid),
98    (mpf, fileid), DB_RETOK_STD)
99DB_MPOOLFILE_METHOD(set_fileid, (u_int8_t *fileid),
100    (mpf, fileid), DB_RETOK_STD)
101DB_MPOOLFILE_METHOD(get_flags, (u_int32_t *flagsp),
102    (mpf, flagsp), DB_RETOK_STD)
103DB_MPOOLFILE_METHOD(set_flags, (u_int32_t flags, int onoff),
104    (mpf, flags, onoff), DB_RETOK_STD)
105DB_MPOOLFILE_METHOD(get_ftype, (int *ftypep),
106    (mpf, ftypep), DB_RETOK_STD)
107DB_MPOOLFILE_METHOD(set_ftype, (int ftype),
108    (mpf, ftype), DB_RETOK_STD)
109DB_MPOOLFILE_METHOD(get_last_pgno, (db_pgno_t *pgnop),
110    (mpf, pgnop), DB_RETOK_STD)
111DB_MPOOLFILE_METHOD(get_lsn_offset, (int32_t *offsetp),
112    (mpf, offsetp), DB_RETOK_STD)
113DB_MPOOLFILE_METHOD(set_lsn_offset, (int32_t offset),
114    (mpf, offset), DB_RETOK_STD)
115DB_MPOOLFILE_METHOD(get_maxsize, (u_int32_t *gbytesp, u_int32_t *bytesp),
116    (mpf, gbytesp, bytesp), DB_RETOK_STD)
117DB_MPOOLFILE_METHOD(set_maxsize, (u_int32_t gbytes, u_int32_t bytes),
118    (mpf, gbytes, bytes), DB_RETOK_STD)
119DB_MPOOLFILE_METHOD(get_pgcookie, (DBT *dbt),
120    (mpf, dbt), DB_RETOK_STD)
121DB_MPOOLFILE_METHOD(set_pgcookie, (DBT *dbt),
122    (mpf, dbt), DB_RETOK_STD)
123DB_MPOOLFILE_METHOD(get_priority, (DB_CACHE_PRIORITY *priorityp),
124    (mpf, priorityp), DB_RETOK_STD)
125DB_MPOOLFILE_METHOD(set_priority, (DB_CACHE_PRIORITY priority),
126    (mpf, priority), DB_RETOK_STD)
127DB_MPOOLFILE_METHOD(sync, (),
128    (mpf), DB_RETOK_STD)
129