2 * Copyright (c) 2007, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
13 #ifndef LIBSOLV_REPODATA_H
14 #define LIBSOLV_REPODATA_H
18 #include "pooltypes.h"
24 #define SIZEOF_SHA1 20
25 #define SIZEOF_SHA256 32
30 typedef struct _Repokey {
32 Id type; /* REPOKEY_TYPE_xxx */
34 unsigned int storage; /* KEY_STORAGE_xxx */
37 #define KEY_STORAGE_DROPPED 0
38 #define KEY_STORAGE_SOLVABLE 1
39 #define KEY_STORAGE_INCORE 2
40 #define KEY_STORAGE_VERTICAL_OFFSET 3
43 typedef struct _Repodata {
44 Id repodataid; /* our id */
45 struct _Repo *repo; /* back pointer to repo */
47 #define REPODATA_AVAILABLE 0
48 #define REPODATA_STUB 1
49 #define REPODATA_ERROR 2
50 #define REPODATA_STORE 3
51 #define REPODATA_LOADING 4
53 int state; /* available, stub or error */
55 void (*loadcallback)(struct _Repodata *);
57 int start; /* start of solvables this repodata is valid for */
58 int end; /* last solvable + 1 of this repodata */
60 Repokey *keys; /* keys, first entry is always zero */
61 int nkeys; /* length of keys array */
62 unsigned char keybits[32]; /* keyname hash */
64 Id *schemata; /* schema -> offset into schemadata */
65 int nschemata; /* number of schemata */
66 Id *schemadata; /* schema storage */
68 Stringpool spool; /* local string pool */
69 int localpool; /* is local string pool used */
71 Dirpool dirpool; /* local dir pool */
73 #ifdef LIBSOLV_INTERNAL
74 FILE *fp; /* file pointer of solv file */
75 int error; /* corrupt solv file */
77 unsigned int schemadatalen; /* schema storage size */
78 Id *schematahash; /* unification helper */
80 unsigned char *incoredata; /* in-core data */
81 unsigned int incoredatalen; /* in-core data used */
82 unsigned int incoredatafree; /* free data len */
84 Id mainschema; /* SOLVID_META schema */
85 Id *mainschemaoffsets; /* SOLVID_META offsets into incoredata */
87 Id *incoreoffset; /* offset for all entries */
89 Id *verticaloffset; /* offset for all verticals, nkeys elements */
90 Id lastverticaloffset; /* end of verticals */
92 Repopagestore store; /* our page store */
94 unsigned char *vincore; /* internal vertical data */
95 unsigned int vincorelen; /* data size */
97 Id **attrs; /* un-internalized attributes */
98 Id **xattrs; /* anonymous handles */
99 int nxattrs; /* number of handles */
101 unsigned char *attrdata; /* their string data space */
102 unsigned int attrdatalen; /* its len */
103 Id *attriddata; /* their id space */
104 unsigned int attriddatalen; /* its len */
106 /* array cache to speed up repodata_add functions*/
114 #define SOLVID_META -1
115 #define SOLVID_POS -2
116 #define SOLVID_SUBSCHEMA -3 /* internal! */
120 * management functions
122 void repodata_initdata(Repodata *data, struct _Repo *repo, int localpool);
123 void repodata_freedata(Repodata *data);
125 void repodata_free(Repodata *data);
126 void repodata_empty(Repodata *data, int localpool);
130 * key management functions
132 Id repodata_key2id(Repodata *data, Repokey *key, int create);
134 static inline Repokey *
135 repodata_id2key(Repodata *data, Id keyid)
137 return data->keys + keyid;
141 * schema management functions
143 Id repodata_schema2id(Repodata *data, Id *schema, int create);
144 void repodata_free_schemahash(Repodata *data);
147 repodata_id2schema(Repodata *data, Id schemaid)
149 return data->schemadata + data->schemata[schemaid];
153 * data search and access
156 /* check if there is a chance that the repodata contains data for
157 * the specified keyname */
159 repodata_precheck_keyname(Repodata *data, Id keyname)
161 unsigned char x = data->keybits[(keyname >> 3) & (sizeof(data->keybits) - 1)];
162 return x && (x & (1 << (keyname & 7))) ? 1 : 0;
165 /* check if the repodata contains data for the specified keyname */
167 repodata_has_keyname(Repodata *data, Id keyname)
170 if (!repodata_precheck_keyname(data, keyname))
172 for (i = 1; i < data->nkeys; i++)
173 if (data->keys[i].name == keyname)
178 /* search key <keyname> (all keys, if keyname == 0) for Id <solvid>
179 * Call <callback> for each match */
180 void repodata_search(Repodata *data, Id solvid, Id keyname, int flags, int (*callback)(void *cbdata, Solvable *s, Repodata *data, Repokey *key, struct _KeyValue *kv), void *cbdata);
182 /* Make sure the found KeyValue has the "str" field set. Return false
184 int repodata_stringify(Pool *pool, Repodata *data, Repokey *key, struct _KeyValue *kv, int flags);
186 int repodata_filelistfilter_matches(Repodata *data, const char *str);
189 /* lookup functions */
190 Id repodata_lookup_type(Repodata *data, Id solvid, Id keyname);
191 Id repodata_lookup_id(Repodata *data, Id solvid, Id keyname);
192 const char *repodata_lookup_str(Repodata *data, Id solvid, Id keyname);
193 int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned int *value);
194 int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
195 const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);
196 int repodata_lookup_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
200 * data assignment functions
204 * extend the data so that it contains the specified solvables
205 * (no longer needed, as the repodata_set functions autoextend)
207 void repodata_extend(Repodata *data, Id p);
208 void repodata_extend_block(Repodata *data, Id p, int num);
209 void repodata_shrink(Repodata *data, int end);
211 /* internalize freshly set data, so that it is found by the search
212 * functions and written out */
213 void repodata_internalize(Repodata *data);
215 /* create an anonymous handle. useful for substructures like
216 * fixarray/flexarray */
217 Id repodata_new_handle(Repodata *data);
219 /* basic types: void, num, string, Id */
220 void repodata_set_void(Repodata *data, Id solvid, Id keyname);
221 void repodata_set_num(Repodata *data, Id solvid, Id keyname, unsigned int num);
222 void repodata_set_id(Repodata *data, Id solvid, Id keyname, Id id);
223 void repodata_set_str(Repodata *data, Id solvid, Id keyname, const char *str);
224 void repodata_set_binary(Repodata *data, Id solvid, Id keyname, void *buf, int len);
225 /* create id from string, then set_id */
226 void repodata_set_poolstr(Repodata *data, Id solvid, Id keyname, const char *str);
228 /* set numeric constant */
229 void repodata_set_constant(Repodata *data, Id solvid, Id keyname, unsigned int constant);
231 /* set Id constant */
232 void repodata_set_constantid(Repodata *data, Id solvid, Id keyname, Id id);
235 void repodata_set_bin_checksum(Repodata *data, Id solvid, Id keyname, Id type,
236 const unsigned char *buf);
237 void repodata_set_checksum(Repodata *data, Id solvid, Id keyname, Id type,
239 void repodata_set_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
242 /* directory (for package file list) */
243 void repodata_add_dirnumnum(Repodata *data, Id solvid, Id keyname, Id dir, Id num, Id num2);
244 void repodata_add_dirstr(Repodata *data, Id solvid, Id keyname, Id dir, const char *str);
248 void repodata_add_idarray(Repodata *data, Id solvid, Id keyname, Id id);
249 void repodata_add_poolstr_array(Repodata *data, Id solvid, Id keyname, const char *str);
250 void repodata_add_fixarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
251 void repodata_add_flexarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
253 void repodata_delete(Repodata *data, Id solvid, Id keyname);
254 void repodata_delete_uninternalized(Repodata *data, Id solvid, Id keyname);
257 merge/swap attributes from one solvable to another
258 works only if the data is not yet internalized
260 void repodata_merge_attrs(Repodata *data, Id dest, Id src);
261 void repodata_merge_some_attrs(Repodata *data, Id dest, Id src, Map *keyidmap, int overwrite);
262 void repodata_swap_attrs(Repodata *data, Id dest, Id src);
264 void repodata_create_stubs(Repodata *data);
265 void repodata_join(Repodata *data, Id joinkey);
268 * load all paged data, used to speed up copying in repo_rpmdb
270 void repodata_disable_paging(Repodata *data);
272 /* helper functions */
273 Id repodata_globalize_id(Repodata *data, Id id, int create);
274 Id repodata_localize_id(Repodata *data, Id id, int create);
275 Id repodata_str2dir(Repodata *data, const char *dir, int create);
276 const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
277 const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
278 void repodata_set_location(Repodata *data, Id solvid, int medianr, const char *dir, const char *file);
279 Id repodata_lookup_id_uninternalized(Repodata *data, Id solvid, Id keyname, Id voidid);
282 unsigned int repodata_memused(Repodata *data);
284 #endif /* LIBSOLV_REPODATA_H */