summaryrefslogtreecommitdiff
path: root/desktop/source/deployment/misc/db.cxx
blob: 909f12f79e1826718332d8667ccb75610381496a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_desktop.hxx"

#include <db.hxx>

#include <rtl/alloc.h>
#include <cstring>
#include <errno.h>

namespace berkeleydbproxy {

//----------------------------------------------------------------------------
    namespace db_internal
    {
        static void raise_error(int dberr, const char * where);

        static inline int check_error(int dberr, const char * where)
        {
            if (dberr) raise_error(dberr,where);
            return dberr;
        }
    }

//----------------------------------------------------------------------------

char *DbEnv::strerror(int error) {
    return (db_strerror(error));
}

//----------------------------------------------------------------------------

Db::Db(DbEnv* pDbenv,u_int32_t flags)
: m_pDBP(0)
{
    db_internal::check_error( db_create(&m_pDBP,pDbenv ? pDbenv->m_pDBENV:0,flags),"Db::Db" );
}


Db::~Db()
{
    if (m_pDBP)
    {
        // should not happen
        // TODO: add assert
    }

}


int Db::close(u_int32_t flags)
{
    int error = m_pDBP->close(m_pDBP,flags);
    m_pDBP = 0;
    return db_internal::check_error(error,"Db::close");
}

int Db::open(DB_TXN *txnid,
             const char *file,
             const char *database,
             DBTYPE type,
             u_int32_t flags,
             int mode)
{
    int err = m_pDBP->open(m_pDBP,txnid,file,database,type,flags,mode);
    return db_internal::check_error( err,"Db::open" );
}


int Db::get(DB_TXN *txnid, Dbt *key, Dbt *data, u_int32_t flags)
{
    int err = m_pDBP->get(m_pDBP,txnid,key,data,flags);

    // these are non-exceptional outcomes
    if (err != DB_NOTFOUND && err != DB_KEYEMPTY)
        db_internal::check_error( err,"Db::get" );

    return err;
}

int Db::put(DB_TXN* txnid, Dbt *key, Dbt *data, u_int32_t flags)
{
    int err = m_pDBP->put(m_pDBP,txnid,key,data,flags);

    if (err != DB_KEYEXIST) // this is a non-exceptional outcome
        db_internal::check_error( err,"Db::put" );
    return err;
}

int Db::cursor(DB_TXN *txnid, Dbc **cursorp, u_int32_t flags)
{
    DBC * dbc = 0;
    int error = m_pDBP->cursor(m_pDBP,txnid,&dbc,flags);

    if (!db_internal::check_error(error,"Db::cursor"))
        *cursorp = new Dbc(dbc);

    return error;
}


#define DB_INCOMPLETE           (-30999)/* Sync didn't finish. */

int Db::sync(u_int32_t flags)
{
    int err;
    DB *db = m_pDBP;

    if (!db) {
        db_internal::check_error(EINVAL,"Db::sync");
        return (EINVAL);
    }
    if ((err = db->sync(db, flags)) != 0 && err != DB_INCOMPLETE) {
        db_internal::check_error(err, "Db::sync");
        return (err);
    }
    return (err);
}

int Db::del(Dbt *key, u_int32_t flags)
{
    DB *db = m_pDBP;
    int err;

    if ((err = db->del(db, 0, key, flags)) != 0) {
        // DB_NOTFOUND is a "normal" return, so should not be
        // thrown as an error
        if (err != DB_NOTFOUND) {
            db_internal::check_error(err, "Db::del");
            return (err);
        }
    }
    return (err);
}

//----------------------------------------------------------------------------

Dbc::Dbc(DBC * dbc)
: m_pDBC(dbc)
{
}

Dbc::~Dbc()
{
}

int Dbc::close()
{
    int err = m_pDBC->c_close(m_pDBC);
    delete this;
    return db_internal::check_error( err,"Dbcursor::close" );
}

int Dbc::get(Dbt *key, Dbt *data, u_int32_t flags)
{
    int err = m_pDBC->c_get(m_pDBC,key,data,flags);

    // these are non-exceptional outcomes
    if (err != DB_NOTFOUND && err != DB_KEYEMPTY)
        db_internal::check_error( err, "Dbcursor::get" );

    return err;
}

//----------------------------------------------------------------------------

Dbt::Dbt()
{
    using namespace std;
    DBT * thispod = this;
    memset(thispod, 0, sizeof *thispod);
}


Dbt::Dbt(void *data_arg, u_int32_t size_arg)
{
    using namespace std;
    DBT * thispod = this;
    memset(thispod, 0, sizeof *thispod);
    this->set_data(data_arg);
    this->set_size(size_arg);
}

Dbt::Dbt(const Dbt & other)
{
    using namespace std;
    const DBT *otherpod = &other;
    DBT *thispod = this;
    memcpy(thispod, otherpod, sizeof *thispod);
}

Dbt& Dbt::operator = (const Dbt & other)
{
    if (this != &other)
    {
        using namespace std;
        const DBT *otherpod = &other;
        DBT *thispod = this;
        memcpy(thispod, otherpod, sizeof *thispod);
    }
    return *this;
}

Dbt::~Dbt()
{
}

void * Dbt::get_data() const
{
    return this->data;
}

void Dbt::set_data(void *value)
{
    this->data = value;
}

u_int32_t Dbt::get_size() const
{
    return this->size;
}

void Dbt::set_size(u_int32_t value)
{
    this->size = value;
}

//----------------------------------------------------------------------------
void db_internal::raise_error(int dberr, const char * where)
{
    if (!where) where = "<unknown>";

    const char * dberrmsg = db_strerror(dberr);
    if (!dberrmsg || !*dberrmsg) dberrmsg = "<unknown DB error>";

    rtl::OString msg = where;
    msg += ": ";
    msg += dberrmsg;

    throw DbException(msg);
}

//----------------------------------------------------------------------------
} // namespace ecomp

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */