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
|
#ifndef H_RPMDB
#define H_RPMDB
/** \ingroup rpmdb dbi
* \file lib/rpmdb.h
* RPM database API.
*/
#include <rpm/rpmtypes.h>
#include <rpm/rpmsw.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Tag value pattern match mode.
*/
typedef enum rpmMireMode_e {
RPMMIRE_DEFAULT = 0, /*!< regex with \., .* and ^...$ added */
RPMMIRE_STRCMP = 1, /*!< strings using strcmp(3) */
RPMMIRE_REGEX = 2, /*!< regex(7) patterns through regcomp(3) */
RPMMIRE_GLOB = 3 /*!< glob(7) patterns through fnmatch(3) */
} rpmMireMode;
typedef enum rpmdbOpX_e {
RPMDB_OP_DBGET = 1,
RPMDB_OP_DBPUT = 2,
RPMDB_OP_DBDEL = 3,
RPMDB_OP_MAX = 4
} rpmdbOpX;
typedef enum rpmdbCtrlOp_e {
RPMDB_CTRL_LOCK_RO = 1,
RPMDB_CTRL_UNLOCK_RO = 2,
RPMDB_CTRL_LOCK_RW = 3,
RPMDB_CTRL_UNLOCK_RW = 4,
RPMDB_CTRL_INDEXSYNC = 5
} rpmdbCtrlOp;
/** \ingroup rpmdb
* Retrieve operation timestamp from rpm database.
* @param db rpm database
* @param opx operation timestamp index
* @return pointer to operation timestamp.
*/
rpmop rpmdbOp(rpmdb db, rpmdbOpX opx);
/** \ingroup rpmdb
* Open all database indices.
* @param db rpm database
* @return 0 on success
*/
int rpmdbOpenAll (rpmdb db);
/** \ingroup rpmdb
* Return number of instances of package in rpm database.
* @param db rpm database
* @param name rpm package name
* @return number of instances
*/
int rpmdbCountPackages(rpmdb db, const char * name);
/** \ingroup rpmdb
* Return header join key for current position of rpm database iterator.
* @param mi rpm database iterator
* @return current header join key
*/
unsigned int rpmdbGetIteratorOffset(rpmdbMatchIterator mi);
/** \ingroup rpmdb
* Return number of elements in rpm database iterator.
* @param mi rpm database iterator
* @return number of elements
*/
int rpmdbGetIteratorCount(rpmdbMatchIterator mi);
/** \ingroup rpmdb
*/
unsigned int rpmdbGetIteratorFileNum(rpmdbMatchIterator mi);
/** \ingroup rpmdb
* Append items to set of package instances to iterate.
* @param mi rpm database iterator
* @param hdrNums array of package instances
* @param nHdrNums number of elements in array
* @return 0 on success, 1 on failure (bad args)
*/
int rpmdbAppendIterator(rpmdbMatchIterator mi,
const unsigned int * hdrNums, unsigned int nHdrNums);
/** \ingroup rpmdb
* Add pattern to iterator selector.
* @param mi rpm database iterator
* @param tag rpm tag
* @param mode type of pattern match
* @param pattern pattern to match
* @return 0 on success
*/
int rpmdbSetIteratorRE(rpmdbMatchIterator mi, rpmTagVal tag,
rpmMireMode mode, const char * pattern);
/** \ingroup rpmdb
* Prepare iterator for lazy writes.
* @note Must be called before rpmdbNextIterator() with CDB model database.
* @param mi rpm database iterator
* @param rewrite new value of rewrite
* @return previous value
*/
int rpmdbSetIteratorRewrite(rpmdbMatchIterator mi, int rewrite);
/** \ingroup rpmdb
* Modify iterator to mark header for lazy write on release.
* @param mi rpm database iterator
* @param modified new value of modified
* @return previous value
*/
int rpmdbSetIteratorModified(rpmdbMatchIterator mi, int modified);
/** \ingroup rpmdb
* Modify iterator to verify retrieved header blobs.
* @param mi rpm database iterator
* @param ts transaction set
* @param (*hdrchk) headerCheck() vector
* @return 0 always
*/
int rpmdbSetHdrChk(rpmdbMatchIterator mi, rpmts ts,
rpmRC (*hdrchk) (rpmts ts, const void * uh, size_t uc, char ** msg));
/** \ingroup rpmdb
* Return database iterator.
* @param db rpm database
* @param rpmtag database index tag
* @param keyp key data (NULL for sequential access)
* @param keylen key data length (0 will use strlen(keyp))
* @return NULL on failure
*/
rpmdbMatchIterator rpmdbInitIterator(rpmdb db, rpmDbiTagVal rpmtag,
const void * keyp, size_t keylen);
/** \ingroup rpmdb
* Return next package header from iteration.
* @param mi rpm database iterator
* @return NULL on end of iteration.
*/
Header rpmdbNextIterator(rpmdbMatchIterator mi);
/** \ingroup rpmdb
* Destroy rpm database iterator.
* @param mi rpm database iterator
* @return NULL always
*/
rpmdbMatchIterator rpmdbFreeIterator(rpmdbMatchIterator mi);
/** \ingroup rpmdb
* Get an iterator for an index
* @param db rpm database
* @param rpmtag the index to iterate over
* @return the index iterator
*/
rpmdbIndexIterator rpmdbIndexIteratorInit(rpmdb db, rpmDbiTag rpmtag);
/** \ingroup rpmdb
* Get the next key - Warning! Keys are not zero terminated!
* Binary tags may even contain zero bytes
* @param ii index iterator
* @param key address to save the pointer to the key
* @param keylen address to save the length of the key to
* @return 0 on success; != 0 on error or end of index
*/
int rpmdbIndexIteratorNext(rpmdbIndexIterator ii, const void ** key, size_t * keylen);
/** \ingroup rpmdb
* Get the next key into a tag data container.
* Caller is responsible for calling rpmtdFreeData() to freeing the
* data returned in keytd once done with it.
* @param ii index iterator
* @param keytd tag container to store the key in
* @return 0 on success; != 0 on error or end of index
*/
int rpmdbIndexIteratorNextTd(rpmdbIndexIterator ii, rpmtd keytd);
/** \ingroup rpmdb
* Get number of entries for current key
* @param ii index iterator
* @return number of entries. 0 on error.
*/
unsigned int rpmdbIndexIteratorNumPkgs(rpmdbIndexIterator ii);
/** \ingroup rpmdb
* Get package offset of entry
* @param ii index iterator
* @param nr number of the entry
* @return db offset of pkg
*/
unsigned int rpmdbIndexIteratorPkgOffset(rpmdbIndexIterator ii, unsigned int nr);
/** \ingroup rpmdb
* Get tag number of entry
* @param ii index iterator
* @param nr number of the entry
* @return number of tag within the package
*/
unsigned int rpmdbIndexIteratorTagNum(rpmdbIndexIterator ii, unsigned int nr);
/** \ingroup rpmdb
* Free index iterator
* @param ii index iterator
* return NULL
*/
rpmdbIndexIterator rpmdbIndexIteratorFree(rpmdbIndexIterator ii);
/** \ingroup rpmdb
* manipulate the rpm database
* @param db rpm database
* @param ctrl operation
* @return 0 on success; != 0 on error
*/
int rpmdbCtrl(rpmdb db, rpmdbCtrlOp ctrl);
#ifdef __cplusplus
}
#endif
#endif /* H_RPMDB */
|
