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"
22 #ifdef LIBSOLV_INTERNAL
27 #define SIZEOF_SHA1 20
28 #define SIZEOF_SHA256 32
33 typedef struct _Repokey {
35 Id type; /* REPOKEY_TYPE_xxx */
37 unsigned int storage; /* KEY_STORAGE_xxx */
40 #define KEY_STORAGE_DROPPED 0
41 #define KEY_STORAGE_SOLVABLE 1
42 #define KEY_STORAGE_INCORE 2
43 #define KEY_STORAGE_VERTICAL_OFFSET 3
45 #ifdef LIBSOLV_INTERNAL
49 typedef struct _Repodata {
50 Id repodataid; /* our id */
51 struct _Repo *repo; /* back pointer to repo */
53 #define REPODATA_AVAILABLE 0
54 #define REPODATA_STUB 1
55 #define REPODATA_ERROR 2
56 #define REPODATA_STORE 3
57 #define REPODATA_LOADING 4
59 int state; /* available, stub or error */
61 void (*loadcallback)(struct _Repodata *);
63 int start; /* start of solvables this repodata is valid for */
64 int end; /* last solvable + 1 of this repodata */
66 Repokey *keys; /* keys, first entry is always zero */
67 int nkeys; /* length of keys array */
68 unsigned char keybits[32]; /* keyname hash */
70 Id *schemata; /* schema -> offset into schemadata */
71 int nschemata; /* number of schemata */
72 Id *schemadata; /* schema storage */
74 Stringpool spool; /* local string pool */
75 int localpool; /* is local string pool used */
77 Dirpool dirpool; /* local dir pool */
79 #ifdef LIBSOLV_INTERNAL
80 FILE *fp; /* file pointer of solv file */
81 int error; /* corrupt solv file */
83 unsigned int schemadatalen; /* schema storage size */
84 Id *schematahash; /* unification helper */
86 unsigned char *incoredata; /* in-core data */
87 unsigned int incoredatalen; /* in-core data used */
88 unsigned int incoredatafree; /* free data len */
90 Id mainschema; /* SOLVID_META schema */
91 Id *mainschemaoffsets; /* SOLVID_META offsets into incoredata */
93 Id *incoreoffset; /* offset for all entries */
95 Id *verticaloffset; /* offset for all verticals, nkeys elements */
96 Id lastverticaloffset; /* end of verticals */
98 Repopagestore store; /* our page store */
99 Id storestate; /* incremented every time the store might change */
101 unsigned char *vincore; /* internal vertical data */
102 unsigned int vincorelen; /* data size */
104 Id **attrs; /* un-internalized attributes */
105 Id **xattrs; /* anonymous handles */
106 int nxattrs; /* number of handles */
108 unsigned char *attrdata; /* their string data space */
109 unsigned int attrdatalen; /* its len */
110 Id *attriddata; /* their id space */
111 unsigned int attriddatalen; /* its len */
112 unsigned long long *attrnum64data; /* their 64bit num data space */
113 unsigned int attrnum64datalen; /* its len */
115 /* array cache to speed up repodata_add functions*/
120 /* directory cache to speed up repodata_str2dir */
121 struct dircache *dircache;
126 #define SOLVID_META -1
127 #define SOLVID_POS -2
128 #define SOLVID_SUBSCHEMA -3 /* internal! */
132 * management functions
134 void repodata_initdata(Repodata *data, struct _Repo *repo, int localpool);
135 void repodata_freedata(Repodata *data);
137 void repodata_free(Repodata *data);
138 void repodata_empty(Repodata *data, int localpool);
142 * key management functions
144 Id repodata_key2id(Repodata *data, Repokey *key, int create);
146 static inline Repokey *
147 repodata_id2key(Repodata *data, Id keyid)
149 return data->keys + keyid;
153 * schema management functions
155 Id repodata_schema2id(Repodata *data, Id *schema, int create);
156 void repodata_free_schemahash(Repodata *data);
159 repodata_id2schema(Repodata *data, Id schemaid)
161 return data->schemadata + data->schemata[schemaid];
165 * data search and access
168 /* check if there is a chance that the repodata contains data for
169 * the specified keyname */
171 repodata_precheck_keyname(Repodata *data, Id keyname)
173 unsigned char x = data->keybits[(keyname >> 3) & (sizeof(data->keybits) - 1)];
174 return x && (x & (1 << (keyname & 7))) ? 1 : 0;
177 /* check if the repodata contains data for the specified keyname */
179 repodata_has_keyname(Repodata *data, Id keyname)
182 if (!repodata_precheck_keyname(data, keyname))
184 for (i = 1; i < data->nkeys; i++)
185 if (data->keys[i].name == keyname)
190 /* search key <keyname> (all keys, if keyname == 0) for Id <solvid>
191 * Call <callback> for each match */
192 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);
194 /* Make sure the found KeyValue has the "str" field set. Return false
196 int repodata_stringify(Pool *pool, Repodata *data, Repokey *key, struct _KeyValue *kv, int flags);
198 int repodata_filelistfilter_matches(Repodata *data, const char *str);
201 /* lookup functions */
202 Id repodata_lookup_type(Repodata *data, Id solvid, Id keyname);
203 Id repodata_lookup_id(Repodata *data, Id solvid, Id keyname);
204 const char *repodata_lookup_str(Repodata *data, Id solvid, Id keyname);
205 int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned long long *value);
206 int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
207 const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);
208 int repodata_lookup_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
212 * data assignment functions
216 * extend the data so that it contains the specified solvables
217 * (no longer needed, as the repodata_set functions autoextend)
219 void repodata_extend(Repodata *data, Id p);
220 void repodata_extend_block(Repodata *data, Id p, int num);
221 void repodata_shrink(Repodata *data, int end);
223 /* internalize freshly set data, so that it is found by the search
224 * functions and written out */
225 void repodata_internalize(Repodata *data);
227 /* create an anonymous handle. useful for substructures like
228 * fixarray/flexarray */
229 Id repodata_new_handle(Repodata *data);
231 /* basic types: void, num, string, Id */
232 void repodata_set_void(Repodata *data, Id solvid, Id keyname);
233 void repodata_set_num(Repodata *data, Id solvid, Id keyname, unsigned long long num);
234 void repodata_set_id(Repodata *data, Id solvid, Id keyname, Id id);
235 void repodata_set_str(Repodata *data, Id solvid, Id keyname, const char *str);
236 void repodata_set_binary(Repodata *data, Id solvid, Id keyname, void *buf, int len);
237 /* create id from string, then set_id */
238 void repodata_set_poolstr(Repodata *data, Id solvid, Id keyname, const char *str);
240 /* set numeric constant */
241 void repodata_set_constant(Repodata *data, Id solvid, Id keyname, unsigned int constant);
243 /* set Id constant */
244 void repodata_set_constantid(Repodata *data, Id solvid, Id keyname, Id id);
247 void repodata_set_bin_checksum(Repodata *data, Id solvid, Id keyname, Id type,
248 const unsigned char *buf);
249 void repodata_set_checksum(Repodata *data, Id solvid, Id keyname, Id type,
251 void repodata_set_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
254 /* directory (for package file list) */
255 void repodata_add_dirnumnum(Repodata *data, Id solvid, Id keyname, Id dir, Id num, Id num2);
256 void repodata_add_dirstr(Repodata *data, Id solvid, Id keyname, Id dir, const char *str);
257 void repodata_free_dircache(Repodata *data);
261 void repodata_add_idarray(Repodata *data, Id solvid, Id keyname, Id id);
262 void repodata_add_poolstr_array(Repodata *data, Id solvid, Id keyname, const char *str);
263 void repodata_add_fixarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
264 void repodata_add_flexarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
266 void repodata_unset(Repodata *data, Id solvid, Id keyname);
267 void repodata_unset_uninternalized(Repodata *data, Id solvid, Id keyname);
270 merge/swap attributes from one solvable to another
271 works only if the data is not yet internalized
273 void repodata_merge_attrs(Repodata *data, Id dest, Id src);
274 void repodata_merge_some_attrs(Repodata *data, Id dest, Id src, Map *keyidmap, int overwrite);
275 void repodata_swap_attrs(Repodata *data, Id dest, Id src);
277 void repodata_create_stubs(Repodata *data);
278 void repodata_join(Repodata *data, Id joinkey);
281 * load all paged data, used to speed up copying in repo_rpmdb
283 void repodata_disable_paging(Repodata *data);
285 /* helper functions */
286 Id repodata_globalize_id(Repodata *data, Id id, int create);
287 Id repodata_localize_id(Repodata *data, Id id, int create);
288 Id repodata_str2dir(Repodata *data, const char *dir, int create);
289 const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
290 const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
291 void repodata_set_location(Repodata *data, Id solvid, int medianr, const char *dir, const char *file);
292 void repodata_set_deltalocation(Repodata *data, Id handle, int medianr, const char *dir, const char *file);
293 void repodata_set_sourcepkg(Repodata *data, Id solvid, const char *sourcepkg);
294 Id repodata_lookup_id_uninternalized(Repodata *data, Id solvid, Id keyname, Id voidid);
297 unsigned int repodata_memused(Repodata *data);
299 #endif /* LIBSOLV_REPODATA_H */