2 * Copyright (c) 2007, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
13 #ifndef SATSOLVER_REPODATA_H
14 #define SATSOLVER_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 struct _Repo *repo; /* back pointer to repo */
46 #define REPODATA_AVAILABLE 0
47 #define REPODATA_STUB 1
48 #define REPODATA_ERROR 2
49 #define REPODATA_STORE 3
50 #define REPODATA_LOADING 4
52 int state; /* available, stub or error */
54 void (*loadcallback)(struct _Repodata *);
56 int start; /* start of solvables this repodata is valid for */
57 int end; /* last solvable + 1 of this repodata */
59 FILE *fp; /* file pointer of solv file */
60 int error; /* corrupt solv file */
62 Repokey *keys; /* keys, first entry is always zero */
63 unsigned int nkeys; /* length of keys array */
64 unsigned char keybits[32]; /* keyname hash */
66 Id *schemata; /* schema -> offset into schemadata */
67 unsigned int nschemata; /* number of schemata */
68 Id *schemadata; /* schema storage */
69 unsigned int schemadatalen; /* schema storage size */
70 Id *schematahash; /* unification helper */
72 Stringpool spool; /* local string pool */
73 int localpool; /* is local string pool used */
75 Dirpool dirpool; /* local dir pool */
77 unsigned char *incoredata; /* in-core data */
78 unsigned int incoredatalen; /* in-core data used */
79 unsigned int incoredatafree; /* free data len */
81 Id mainschema; /* SOLVID_META schema */
82 Id *mainschemaoffsets; /* SOLVID_META offsets into incoredata */
84 Id *incoreoffset; /* offset for all entries */
86 Id *verticaloffset; /* offset for all verticals, nkeys elements */
87 Id lastverticaloffset; /* end of verticals */
89 Repopagestore store; /* our page store */
91 unsigned char *vincore; /* internal vertical data */
92 unsigned int vincorelen; /* data size */
94 Id **attrs; /* un-internalized attributes */
95 Id **xattrs; /* anonymous handles */
96 int nxattrs; /* number of handles */
98 unsigned char *attrdata; /* their string data space */
99 unsigned int attrdatalen; /* its len */
100 Id *attriddata; /* their id space */
101 unsigned int attriddatalen; /* its len */
103 /* array cache to speed up repodata_add functions*/
110 #define SOLVID_META -1
111 #define SOLVID_POS -2
112 #define SOLVID_SUBSCHEMA -3 /* internal! */
116 * management functions
118 void repodata_initdata(Repodata *data, struct _Repo *repo, int localpool);
119 void repodata_freedata(Repodata *data);
121 Repodata *repodata_create(struct _Repo *repo, int localpool);
122 void repodata_free(Repodata *data);
123 void repodata_empty(Repodata *data, int localpool);
127 * key management functions
129 Id repodata_key2id(Repodata *data, Repokey *key, int create);
130 static inline Repokey *
131 repodata_id2key(Repodata *data, Id keyid)
133 return data->keys + keyid;
137 * schema management functions
139 Id repodata_schema2id(Repodata *data, Id *schema, int create);
141 repodata_id2schema(Repodata *data, Id schemaid)
143 return data->schemadata + data->schemata[schemaid];
147 * data search and access
150 /* check if there is a chance that the repodata contains data for
151 * the specified keyname */
153 repodata_precheck_keyname(Repodata *data, Id keyname)
155 unsigned char x = data->keybits[(keyname >> 3) & (sizeof(data->keybits) - 1)];
156 return x && (x & (1 << (keyname & 7))) ? 1 : 0;
159 /* check if the repodata contains data for the specified keyname */
161 repodata_has_keyname(Repodata *data, Id keyname)
164 if (!repodata_precheck_keyname(data, keyname))
166 for (i = 1; i < data->nkeys; i++)
167 if (data->keys[i].name == keyname)
172 /* search key <keyname> (all keys, if keyname == 0) for Id <solvid>
173 * Call <callback> for each match */
174 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);
176 /* Make sure the found KeyValue has the "str" field set. Return false
178 int repodata_stringify(Pool *pool, Repodata *data, Repokey *key, struct _KeyValue *kv, int flags);
180 int repodata_filelistfilter_matches(Repodata *data, const char *str);
183 /* lookup functions */
184 Id repodata_lookup_type(Repodata *data, Id solvid, Id keyname);
185 Id repodata_lookup_id(Repodata *data, Id solvid, Id keyname);
186 const char *repodata_lookup_str(Repodata *data, Id solvid, Id keyname);
187 int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned int *value);
188 int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
189 const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);
190 int repodata_lookup_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
194 * data assignment functions
198 * extend the data so that it contains the specified solvables
199 * (no longer needed, as the repodata_set functions autoextend)
201 void repodata_extend(Repodata *data, Id p);
202 void repodata_extend_block(Repodata *data, Id p, int num);
203 void repodata_shrink(Repodata *data, int end);
205 /* internalize freshly set data, so that it is found by the search
206 * functions and written out */
207 void repodata_internalize(Repodata *data);
209 /* create an anonymous handle. useful for substructures like
210 * fixarray/flexarray */
211 Id repodata_new_handle(Repodata *data);
213 /* basic types: void, num, string, Id */
214 void repodata_set_void(Repodata *data, Id solvid, Id keyname);
215 void repodata_set_num(Repodata *data, Id solvid, Id keyname, unsigned int num);
216 void repodata_set_id(Repodata *data, Id solvid, Id keyname, Id id);
217 void repodata_set_str(Repodata *data, Id solvid, Id keyname, const char *str);
218 void repodata_set_binary(Repodata *data, Id solvid, Id keyname, void *buf, int len);
219 /* create id from string, then set_id */
220 void repodata_set_poolstr(Repodata *data, Id solvid, Id keyname, const char *str);
222 /* set numeric constant */
223 void repodata_set_constant(Repodata *data, Id solvid, Id keyname, unsigned int constant);
225 /* set Id constant */
226 void repodata_set_constantid(Repodata *data, Id solvid, Id keyname, Id id);
229 void repodata_set_bin_checksum(Repodata *data, Id solvid, Id keyname, Id type,
230 const unsigned char *buf);
231 void repodata_set_checksum(Repodata *data, Id solvid, Id keyname, Id type,
233 void repodata_set_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
236 /* directory (for package file list) */
237 void repodata_add_dirnumnum(Repodata *data, Id solvid, Id keyname, Id dir, Id num, Id num2);
238 void repodata_add_dirstr(Repodata *data, Id solvid, Id keyname, Id dir, const char *str);
242 void repodata_add_idarray(Repodata *data, Id solvid, Id keyname, Id id);
243 void repodata_add_poolstr_array(Repodata *data, Id solvid, Id keyname, const char *str);
244 void repodata_add_fixarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
245 void repodata_add_flexarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
247 void repodata_delete(Repodata *data, Id solvid, Id keyname);
248 void repodata_delete_uninternalized(Repodata *data, Id solvid, Id keyname);
251 merge attributes from one solvable to another
252 works only if the data is not yet internalized
254 void repodata_merge_attrs(Repodata *data, Id dest, Id src);
255 void repodata_merge_some_attrs(Repodata *data, Id dest, Id src, Map *keyidmap, int overwrite);
257 void repodata_create_stubs(Repodata *data);
258 void repodata_join(Repodata *data, Id joinkey);
261 * load all paged data, used to speed up copying in repo_rpmdb
263 void repodata_disable_paging(Repodata *data);
265 /* helper functions */
266 Id repodata_globalize_id(Repodata *data, Id id, int create);
267 Id repodata_localize_id(Repodata *data, Id id, int create);
268 Id repodata_str2dir(Repodata *data, const char *dir, int create);
269 const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
270 const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
271 void repodata_set_location(Repodata *data, Id solvid, int medianr, const char *dir, const char *file);
273 #endif /* SATSOLVER_REPODATA_H */