blob: 88910286608a2acb2fd0c7e0174b43e604c05804 (
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
|
/* back-mdb.h - mdb back-end header file */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2000-2021 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#ifndef _BACK_MDB_H_
#define _BACK_MDB_H_
#include <portable.h>
#include "slap.h"
#include "lmdb.h"
LDAP_BEGIN_DECL
#undef MDB_TOOL_IDL_CACHING /* currently broken */
#define DN_BASE_PREFIX SLAP_INDEX_EQUALITY_PREFIX
#define DN_ONE_PREFIX '%'
#define DN_SUBTREE_PREFIX '@'
#define MDB_AD2ID 0
#define MDB_DN2ID 1
#define MDB_ID2ENTRY 2
#define MDB_NDB 3
/* The default search IDL stack cache depth */
#define DEFAULT_SEARCH_STACK_DEPTH 16
/* The minimum we can function with */
#define MINIMUM_SEARCH_STACK_DEPTH 8
#define MDB_INDICES 128
#define MDB_MAXADS 65536
/* Default to 10MB max */
#define DEFAULT_MAPSIZE (10*1048576)
/* Most users will never see this */
#define DEFAULT_RTXN_SIZE 10000
#ifdef LDAP_DEVEL
#define MDB_MONITOR_IDX
#endif /* LDAP_DEVEL */
typedef struct mdb_monitor_t {
void *mdm_cb;
struct berval mdm_ndn;
} mdb_monitor_t;
/* From ldap_rq.h */
struct re_s;
struct mdb_info {
MDB_env *mi_dbenv;
/* DB_ENV parameters */
char *mi_dbenv_home;
unsigned mi_dbenv_flags;
int mi_dbenv_mode;
size_t mi_mapsize;
ID mi_nextid;
slap_mask_t mi_defaultmask;
int mi_nattrs;
struct mdb_attrinfo **mi_attrs;
void *mi_search_stack;
int mi_search_stack_depth;
int mi_readers;
unsigned mi_rtxn_size;
int mi_txn_cp;
unsigned mi_txn_cp_min;
unsigned mi_txn_cp_kbyte;
struct re_s *mi_txn_cp_task;
struct re_s *mi_index_task;
mdb_monitor_t mi_monitor;
#ifdef MDB_MONITOR_IDX
ldap_pvt_thread_mutex_t mi_idx_mutex;
Avlnode *mi_idx;
#endif /* MDB_MONITOR_IDX */
int mi_flags;
#define MDB_IS_OPEN 0x01
#define MDB_OPEN_INDEX 0x02
#define MDB_DEL_INDEX 0x08
#define MDB_RE_OPEN 0x10
#define MDB_NEED_UPGRADE 0x20
int mi_numads;
MDB_dbi mi_dbis[MDB_NDB];
AttributeDescription *mi_ads[MDB_MAXADS];
int mi_adxs[MDB_MAXADS];
};
#define mi_id2entry mi_dbis[MDB_ID2ENTRY]
#define mi_dn2id mi_dbis[MDB_DN2ID]
#define mi_ad2id mi_dbis[MDB_AD2ID]
typedef struct mdb_op_info {
OpExtra moi_oe;
MDB_txn* moi_txn;
int moi_ref;
char moi_flag;
} mdb_op_info;
#define MOI_READER 0x01
#define MOI_FREEIT 0x02
/* Copy an ID "src" to pointer "dst" in big-endian byte order */
#define MDB_ID2DISK( src, dst ) \
do { int i0; ID tmp; unsigned char *_p; \
tmp = (src); _p = (unsigned char *)(dst); \
for ( i0=sizeof(ID)-1; i0>=0; i0-- ) { \
_p[i0] = tmp & 0xff; tmp >>= 8; \
} \
} while(0)
/* Copy a pointer "src" to a pointer "dst" from big-endian to native order */
#define MDB_DISK2ID( src, dst ) \
do { unsigned i0; ID tmp = 0; unsigned char *_p; \
_p = (unsigned char *)(src); \
for ( i0=0; i0<sizeof(ID); i0++ ) { \
tmp <<= 8; tmp |= *_p++; \
} *(dst) = tmp; \
} while (0)
LDAP_END_DECL
/* for the cache of attribute information (which are indexed, etc.) */
typedef struct mdb_attrinfo {
AttributeDescription *ai_desc; /* attribute description cn;lang-en */
slap_mask_t ai_indexmask; /* how the attr is indexed */
slap_mask_t ai_newmask; /* new settings to replace old mask */
#ifdef LDAP_COMP_MATCH
ComponentReference* ai_cr; /*component indexing*/
#endif
Avlnode *ai_root; /* for tools */
void *ai_flist; /* for tools */
void *ai_clist; /* for tools */
MDB_cursor *ai_cursor; /* for tools */
int ai_idx; /* position in AI array */
MDB_dbi ai_dbi;
} AttrInfo;
/* These flags must not clash with SLAP_INDEX flags or ops in slap.h! */
#define MDB_INDEX_DELETING 0x8000U /* index is being modified */
#define MDB_INDEX_UPDATE_OP 0x03 /* performing an index update */
/* For slapindex to record which attrs in an entry belong to which
* index database
*/
typedef struct AttrList {
struct AttrList *next;
Attribute *attr;
} AttrList;
#ifndef CACHELINE
#define CACHELINE 64
#endif
#if defined(__i386) || defined(__x86_64)
#define MISALIGNED_OK 1
#else
#define ALIGNER (sizeof(size_t)-1)
#endif
typedef struct IndexRbody {
AttrInfo *ai;
AttrList *attrs;
void *tptr;
int i;
} IndexRbody;
typedef struct IndexRec {
union {
IndexRbody irb;
#define ir_ai iru.irb.ai
#define ir_attrs iru.irb.attrs
#define ir_tptr iru.irb.tptr
#define ir_i iru.irb.i
/* cache line alignment */
char pad[(sizeof(IndexRbody)+CACHELINE-1) & (!CACHELINE-1)];
} iru;
} IndexRec;
#define MAXRDNS SLAP_LDAPDN_MAXLEN/4
#include "proto-mdb.h"
#endif /* _BACK_MDB_H_ */
|