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 int state; /* available, stub or error */
52 void (*loadcallback)(struct _Repodata *);
54 int start; /* start of solvables this repodata is valid for */
55 int end; /* last solvable + 1 of this repodata */
57 FILE *fp; /* file pointer of solv file */
58 int error; /* corrupt solv file */
60 Repokey *keys; /* keys, first entry is always zero */
61 unsigned int nkeys; /* length of keys array */
62 unsigned char keybits[32]; /* keyname hash */
64 Id *schemata; /* schema -> offset into schemadata */
65 unsigned int nschemata; /* number of schemata */
66 Id *schemadata; /* schema storage */
67 unsigned int schemadatalen; /* schema storage size */
68 Id *schematahash; /* unification helper */
70 Stringpool spool; /* local string pool */
71 int localpool; /* is local string pool used */
73 Dirpool dirpool; /* local dir pool */
75 unsigned char *incoredata; /* in-core data */
76 unsigned int incoredatalen; /* in-core data used */
77 unsigned int incoredatafree; /* free data len */
79 Id mainschema; /* SOLVID_META schema */
80 Id *mainschemaoffsets; /* SOLVID_META offsets into incoredata */
82 Id *incoreoffset; /* offset for all entries */
84 Id *verticaloffset; /* offset for all verticals, nkeys elements */
85 Id lastverticaloffset; /* end of verticals */
87 Repopagestore store; /* our page store */
89 unsigned char *vincore; /* internal vertical data */
90 unsigned int vincorelen; /* data size */
92 Id **attrs; /* un-internalized attributes */
93 Id **xattrs; /* anonymous handles */
94 int nxattrs; /* number of handles */
96 unsigned char *attrdata; /* their string data space */
97 unsigned int attrdatalen; /* its len */
98 Id *attriddata; /* their id space */
99 unsigned int attriddatalen; /* its len */
101 /* array cache to speed up repodata_add functions*/
108 #define SOLVID_META -1
109 #define SOLVID_POS -2
110 #define SOLVID_SUBSCHEMA -3 /* internal! */
114 * management functions
116 void repodata_initdata(Repodata *data, struct _Repo *repo, int localpool);
117 void repodata_freedata(Repodata *data);
118 void repodata_free(Repodata *data);
122 * key management functions
124 Id repodata_key2id(Repodata *data, Repokey *key, int create);
125 static inline Repokey *
126 repodata_id2key(Repodata *data, Id keyid)
128 return data->keys + keyid;
132 * schema management functions
134 Id repodata_schema2id(Repodata *data, Id *schema, int create);
136 repodata_id2schema(Repodata *data, Id schemaid)
138 return data->schemadata + data->schemata[schemaid];
142 * data search and access
145 /* check if there is a chance that the repodata contains data for
146 * the specified keyname */
148 repodata_precheck_keyname(Repodata *data, Id keyname)
150 unsigned char x = data->keybits[(keyname >> 3) & (sizeof(data->keybits) - 1)];
151 return x && (x & (1 << (keyname & 7))) ? 1 : 0;
154 /* search key <keyname> (all keys, if keyname == 0) for Id <solvid>
155 * Call <callback> for each match */
156 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);
158 /* Make sure the found KeyValue has the "str" field set. Return false
160 int repodata_stringify(Pool *pool, Repodata *data, Repokey *key, struct _KeyValue *kv, int flags);
163 /* lookup functions */
164 Id repodata_lookup_id(Repodata *data, Id solvid, Id keyname);
165 const char *repodata_lookup_str(Repodata *data, Id solvid, Id keyname);
166 int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned int *value);
167 int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
168 const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);
173 * data assignment functions
177 * extend the data so that it contains the specified solvables
178 * (no longer needed, as the repodata_set functions autoextend)
180 void repodata_extend(Repodata *data, Id p);
181 void repodata_extend_block(Repodata *data, Id p, int num);
183 /* internalize freshly set data, so that it is found by the search
184 * functions and written out */
185 void repodata_internalize(Repodata *data);
187 /* create an anonymous handle. useful for substructures like
188 * fixarray/flexarray */
189 Id repodata_new_handle(Repodata *data);
191 /* basic types: void, num, string, Id */
192 void repodata_set_void(Repodata *data, Id solvid, Id keyname);
193 void repodata_set_num(Repodata *data, Id solvid, Id keyname, unsigned int num);
194 void repodata_set_id(Repodata *data, Id solvid, Id keyname, Id id);
195 void repodata_set_str(Repodata *data, Id solvid, Id keyname, const char *str);
196 /* create id from string, then set_id */
197 void repodata_set_poolstr(Repodata *data, Id solvid, Id keyname, const char *str);
199 /* set numeric constant */
200 void repodata_set_constant(Repodata *data, Id solvid, Id keyname, unsigned int constant);
202 /* set Id constant */
203 void repodata_set_constantid(Repodata *data, Id solvid, Id keyname, Id id);
206 void repodata_set_bin_checksum(Repodata *data, Id solvid, Id keyname, Id type,
207 const unsigned char *buf);
208 void repodata_set_checksum(Repodata *data, Id solvid, Id keyname, Id type,
211 /* directory (for package file list) */
212 void repodata_add_dirnumnum(Repodata *data, Id solvid, Id keyname, Id dir, Id num, Id num2);
213 void repodata_add_dirstr(Repodata *data, Id solvid, Id keyname, Id dir, const char *str);
217 void repodata_add_idarray(Repodata *data, Id solvid, Id keyname, Id id);
218 void repodata_add_poolstr_array(Repodata *data, Id solvid, Id keyname, const char *str);
219 void repodata_add_fixarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
220 void repodata_add_flexarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
223 merge attributes from one solvable to another
224 works only if the data is not yet internalized
226 void repodata_merge_attrs(Repodata *data, Id dest, Id src);
229 * load all paged data, used to speed up copying in repo_rpmdb
231 void repodata_disable_paging(Repodata *data);
233 /* helper functions */
234 Id repodata_globalize_id(Repodata *data, Id id, int create);
235 Id repodata_str2dir(Repodata *data, const char *dir, int create);
236 const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
237 const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
238 void repodata_set_location(Repodata *data, Id solvid, int medianr, const char *dir, const char *file);
240 #endif /* SATSOLVER_REPODATA_H */