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
42 #ifdef LIBSOLV_INTERNAL
46 typedef struct _Repodata {
47 Id repodataid; /* our id */
48 struct _Repo *repo; /* back pointer to repo */
50 #define REPODATA_AVAILABLE 0
51 #define REPODATA_STUB 1
52 #define REPODATA_ERROR 2
53 #define REPODATA_STORE 3
54 #define REPODATA_LOADING 4
56 int state; /* available, stub or error */
58 void (*loadcallback)(struct _Repodata *);
60 int start; /* start of solvables this repodata is valid for */
61 int end; /* last solvable + 1 of this repodata */
63 Repokey *keys; /* keys, first entry is always zero */
64 int nkeys; /* length of keys array */
65 unsigned char keybits[32]; /* keyname hash */
67 Id *schemata; /* schema -> offset into schemadata */
68 int nschemata; /* number of schemata */
69 Id *schemadata; /* schema storage */
71 Stringpool spool; /* local string pool */
72 int localpool; /* is local string pool used */
74 Dirpool dirpool; /* local dir pool */
76 #ifdef LIBSOLV_INTERNAL
77 FILE *fp; /* file pointer of solv file */
78 int error; /* corrupt solv file */
80 unsigned int schemadatalen; /* schema storage size */
81 Id *schematahash; /* unification helper */
83 unsigned char *incoredata; /* in-core data */
84 unsigned int incoredatalen; /* in-core data used */
85 unsigned int incoredatafree; /* free data len */
87 Id mainschema; /* SOLVID_META schema */
88 Id *mainschemaoffsets; /* SOLVID_META offsets into incoredata */
90 Id *incoreoffset; /* offset for all entries */
92 Id *verticaloffset; /* offset for all verticals, nkeys elements */
93 Id lastverticaloffset; /* end of verticals */
95 Repopagestore store; /* our page store */
97 unsigned char *vincore; /* internal vertical data */
98 unsigned int vincorelen; /* data size */
100 Id **attrs; /* un-internalized attributes */
101 Id **xattrs; /* anonymous handles */
102 int nxattrs; /* number of handles */
104 unsigned char *attrdata; /* their string data space */
105 unsigned int attrdatalen; /* its len */
106 Id *attriddata; /* their id space */
107 unsigned int attriddatalen; /* its len */
108 unsigned long long *attrnum64data; /* their 64bit num data space */
109 unsigned int attrnum64datalen; /* its len */
111 /* array cache to speed up repodata_add functions*/
116 /* directory cache to speed up repodata_str2dir */
117 struct dircache *dircache;
122 #define SOLVID_META -1
123 #define SOLVID_POS -2
124 #define SOLVID_SUBSCHEMA -3 /* internal! */
128 * management functions
130 void repodata_initdata(Repodata *data, struct _Repo *repo, int localpool);
131 void repodata_freedata(Repodata *data);
133 void repodata_free(Repodata *data);
134 void repodata_empty(Repodata *data, int localpool);
138 * key management functions
140 Id repodata_key2id(Repodata *data, Repokey *key, int create);
142 static inline Repokey *
143 repodata_id2key(Repodata *data, Id keyid)
145 return data->keys + keyid;
149 * schema management functions
151 Id repodata_schema2id(Repodata *data, Id *schema, int create);
152 void repodata_free_schemahash(Repodata *data);
155 repodata_id2schema(Repodata *data, Id schemaid)
157 return data->schemadata + data->schemata[schemaid];
161 * data search and access
164 /* check if there is a chance that the repodata contains data for
165 * the specified keyname */
167 repodata_precheck_keyname(Repodata *data, Id keyname)
169 unsigned char x = data->keybits[(keyname >> 3) & (sizeof(data->keybits) - 1)];
170 return x && (x & (1 << (keyname & 7))) ? 1 : 0;
173 /* check if the repodata contains data for the specified keyname */
175 repodata_has_keyname(Repodata *data, Id keyname)
178 if (!repodata_precheck_keyname(data, keyname))
180 for (i = 1; i < data->nkeys; i++)
181 if (data->keys[i].name == keyname)
186 /* search key <keyname> (all keys, if keyname == 0) for Id <solvid>
187 * Call <callback> for each match */
188 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);
190 /* Make sure the found KeyValue has the "str" field set. Return false
192 int repodata_stringify(Pool *pool, Repodata *data, Repokey *key, struct _KeyValue *kv, int flags);
194 int repodata_filelistfilter_matches(Repodata *data, const char *str);
197 /* lookup functions */
198 Id repodata_lookup_type(Repodata *data, Id solvid, Id keyname);
199 Id repodata_lookup_id(Repodata *data, Id solvid, Id keyname);
200 const char *repodata_lookup_str(Repodata *data, Id solvid, Id keyname);
201 int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned int *value);
202 int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
203 const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);
204 int repodata_lookup_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
208 * data assignment functions
212 * extend the data so that it contains the specified solvables
213 * (no longer needed, as the repodata_set functions autoextend)
215 void repodata_extend(Repodata *data, Id p);
216 void repodata_extend_block(Repodata *data, Id p, int num);
217 void repodata_shrink(Repodata *data, int end);
219 /* internalize freshly set data, so that it is found by the search
220 * functions and written out */
221 void repodata_internalize(Repodata *data);
223 /* create an anonymous handle. useful for substructures like
224 * fixarray/flexarray */
225 Id repodata_new_handle(Repodata *data);
227 /* basic types: void, num, string, Id */
228 void repodata_set_void(Repodata *data, Id solvid, Id keyname);
229 void repodata_set_num(Repodata *data, Id solvid, Id keyname, unsigned int num);
230 void repodata_set_id(Repodata *data, Id solvid, Id keyname, Id id);
231 void repodata_set_str(Repodata *data, Id solvid, Id keyname, const char *str);
232 void repodata_set_binary(Repodata *data, Id solvid, Id keyname, void *buf, int len);
233 /* create id from string, then set_id */
234 void repodata_set_poolstr(Repodata *data, Id solvid, Id keyname, const char *str);
236 /* set numeric constant */
237 void repodata_set_constant(Repodata *data, Id solvid, Id keyname, unsigned int constant);
239 /* set Id constant */
240 void repodata_set_constantid(Repodata *data, Id solvid, Id keyname, Id id);
243 void repodata_set_bin_checksum(Repodata *data, Id solvid, Id keyname, Id type,
244 const unsigned char *buf);
245 void repodata_set_checksum(Repodata *data, Id solvid, Id keyname, Id type,
247 void repodata_set_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
250 /* directory (for package file list) */
251 void repodata_add_dirnumnum(Repodata *data, Id solvid, Id keyname, Id dir, Id num, Id num2);
252 void repodata_add_dirstr(Repodata *data, Id solvid, Id keyname, Id dir, const char *str);
253 void repodata_free_dircache(Repodata *data);
257 void repodata_add_idarray(Repodata *data, Id solvid, Id keyname, Id id);
258 void repodata_add_poolstr_array(Repodata *data, Id solvid, Id keyname, const char *str);
259 void repodata_add_fixarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
260 void repodata_add_flexarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
262 void repodata_delete(Repodata *data, Id solvid, Id keyname);
263 void repodata_delete_uninternalized(Repodata *data, Id solvid, Id keyname);
266 merge/swap attributes from one solvable to another
267 works only if the data is not yet internalized
269 void repodata_merge_attrs(Repodata *data, Id dest, Id src);
270 void repodata_merge_some_attrs(Repodata *data, Id dest, Id src, Map *keyidmap, int overwrite);
271 void repodata_swap_attrs(Repodata *data, Id dest, Id src);
273 void repodata_create_stubs(Repodata *data);
274 void repodata_join(Repodata *data, Id joinkey);
277 * load all paged data, used to speed up copying in repo_rpmdb
279 void repodata_disable_paging(Repodata *data);
281 /* helper functions */
282 Id repodata_globalize_id(Repodata *data, Id id, int create);
283 Id repodata_localize_id(Repodata *data, Id id, int create);
284 Id repodata_str2dir(Repodata *data, const char *dir, int create);
285 const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
286 const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
287 void repodata_set_location(Repodata *data, Id solvid, int medianr, const char *dir, const char *file);
288 Id repodata_lookup_id_uninternalized(Repodata *data, Id solvid, Id keyname, Id voidid);
291 unsigned int repodata_memused(Repodata *data);
293 #endif /* LIBSOLV_REPODATA_H */