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"
23 #define SIZEOF_SHA1 20
24 #define SIZEOF_SHA256 32
30 typedef struct _Attrblobpage
32 /* mapped_at == -1 --> not loaded, otherwise offset into
33 store->blob_store. The size of the mapping is BLOB_PAGESIZE
34 except for the last page. */
35 unsigned int mapped_at;
37 /* file_size == 0 means the page is not backed by some file storage.
38 Otherwise it is L*2+(compressed ? 1 : 0), with L being the data
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 */
61 struct _Repokey *keys; /* keys, first entry is always zero */
62 unsigned int nkeys; /* length of keys array */
63 unsigned char keybits[32]; /* keyname hash */
65 Id *schemata; /* schema -> offset into schemadata */
66 unsigned int nschemata; /* number of schemata */
67 Id *schemadata; /* schema storage */
68 unsigned int schemadatalen; /* schema storage size */
69 Id *schematahash; /* unification helper */
71 Stringpool spool; /* local string pool */
72 int localpool; /* is local string pool used */
74 Dirpool dirpool; /* local dir pool */
77 Id *mainschemaoffsets;
79 unsigned char *incoredata; /* in-core data (flat_attrs) */
80 unsigned int incoredatalen; /* data len (attr_next_free) */
81 unsigned int incoredatafree; /* free data len */
83 Id *incoreoffset; /* offset for all entries (ent2attr) */
85 Id *verticaloffset; /* offset for all verticals, nkeys elements */
86 Id lastverticaloffset; /* end of verticals */
88 int pagefd; /* file descriptor of page file */
89 unsigned char *blob_store;
91 unsigned int num_pages;
93 /* mapped[i] is zero if nothing is mapped at logical page I,
94 otherwise it contains the pagenumber plus one (of the mapped page). */
96 unsigned int nmapped, ncanmap;
97 unsigned int rr_counter;
99 unsigned char *vincore;
100 unsigned int vincorelen;
102 Id **attrs; /* un-internalized attributes */
103 Id **xattrs; /* anonymous handles */
106 unsigned char *attrdata; /* their string data space */
107 unsigned int attrdatalen;
108 Id *attriddata; /* their id space */
109 unsigned int attriddatalen;
118 #define REPOENTRY_META -1
119 #define REPOENTRY_POS -2
120 #define REPOENTRY_SUBSCHEMA -3 /* internal! */
123 * management functions
125 void repodata_init(Repodata *data, struct _Repo *repo, int localpool);
126 void repodata_extend(Repodata *data, Id p);
127 void repodata_extend_block(Repodata *data, Id p, int num);
128 void repodata_free(Repodata *data);
130 /* internalize repodata into .solv, required before writing out a .solv file */
131 void repodata_internalize(Repodata *data);
133 Id repodata_key2id(Repodata *data, struct _Repokey *key, int create);
134 Id repodata_schema2id(Repodata *data, Id *schema, int create);
137 repodata_precheck_keyname(Repodata *data, Id keyname)
139 unsigned char x = data->keybits[(keyname >> 3) & (sizeof(data->keybits) - 1)];
140 return x && (x & (1 << (keyname & 7))) ? 1 : 0;
147 /* Search key <keyname> (all keys, if keyname == 0) for Id <entry>
148 * <entry> is _relative_ Id for <data>
149 * Call <callback> for each match
151 void repodata_search(Repodata *data, Id entry, Id keyname, int (*callback)(void *cbdata, Solvable *s, Repodata *data, struct _Repokey *key, struct _KeyValue *kv), void *cbdata);
153 /* lookup functions */
154 Id repodata_lookup_id(Repodata *data, Id entry, Id keyname);
155 const char *repodata_lookup_str(Repodata *data, Id entry, Id keyname);
156 int repodata_lookup_num(Repodata *data, Id entry, Id keyname, unsigned int *value);
157 int repodata_lookup_void(Repodata *data, Id entry, Id keyname);
158 const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id entry, Id keyname, Id *typep);
162 * data assignment functions
165 /* create an anonymous handle. useful for substructures like
166 * fixarray/flexarray */
167 Id repodata_new_handle(Repodata *data);
169 /* basic types: void, num, string, Id */
171 void repodata_set_void(Repodata *data, Id handle, Id keyname);
172 void repodata_set_num(Repodata *data, Id handle, Id keyname, unsigned int num);
173 void repodata_set_str(Repodata *data, Id handle, Id keyname, const char *str);
174 void repodata_set_id(Repodata *data, Id handle, Id keyname, Id id);
178 void repodata_set_poolstr(Repodata *data, Id handle, Id keyname, const char *str);
180 /* set numeric constant */
181 void repodata_set_constant(Repodata *data, Id handle, Id keyname, unsigned int constant);
183 /* set Id constant */
184 void repodata_set_constantid(Repodata *data, Id handle, Id keyname, Id id);
187 void repodata_set_bin_checksum(Repodata *data, Id handle, Id keyname, Id type,
188 const unsigned char *buf);
189 void repodata_set_checksum(Repodata *data, Id handle, Id keyname, Id type,
192 /* directory (for package file list) */
193 void repodata_add_dirnumnum(Repodata *data, Id handle, Id keyname, Id dir, Id num, Id num2);
194 void repodata_add_dirstr(Repodata *data, Id handle, Id keyname, Id dir, const char *str);
198 void repodata_add_idarray(Repodata *data, Id handle, Id keyname, Id id);
199 void repodata_add_poolstr_array(Repodata *data, Id handle, Id keyname, const char *str);
200 void repodata_add_fixarray(Repodata *data, Id handle, Id keyname, Id ghandle);
201 void repodata_add_flexarray(Repodata *data, Id handle, Id keyname, Id ghandle);
209 merge attributes fro one solvable to another
210 works only if the data is not yet internalized
212 void repodata_merge_attrs (Repodata *data, Id dest, Id src);
215 void repodata_disable_paging(Repodata *data);
217 /* helper functions */
218 Id repodata_globalize_id(Repodata *data, Id id);
219 Id repodata_str2dir(Repodata *data, const char *dir, int create);
220 const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
221 const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
223 #endif /* SATSOLVER_REPODATA_H */