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 *);
53 char *location; /* E.g. filename or the like */
54 char *checksum; /* Checksum of the file */
55 unsigned nchecksum; /* Length of the checksum */
56 unsigned checksumtype; /* Type of checksum */
58 int start; /* start of solvables this repodata is valid for */
59 int end; /* last solvable + 1 of this repodata */
63 FILE *fp; /* file pointer of solv file */
64 int error; /* corrupt solv file */
67 struct _Repokey *keys; /* keys, first entry is always zero */
68 unsigned int nkeys; /* length of keys array */
70 Id *schemata; /* schema -> offset into schemadata */
71 unsigned int nschemata; /* number of schemata */
73 Id *schemadata; /* schema storage */
74 unsigned int schemadatalen; /* schema storage size */
76 Stringpool spool; /* local string pool */
77 int localpool; /* is local string pool used */
79 Dirpool dirpool; /* local dir pool */
81 unsigned char *incoredata; /* in-core data (flat_attrs) */
82 unsigned int incoredatalen; /* data len (attr_next_free) */
83 unsigned int incoredatafree; /* free data len */
85 Id *incoreoffset; /* offset for all entries (ent2attr) */
86 Id *extraoffset; /* offset for all extra entries */
88 Id *verticaloffset; /* offset for all verticals, nkeys elements */
89 Id lastverticaloffset; /* end of verticals */
91 int pagefd; /* file descriptor of page file */
92 unsigned char *blob_store;
94 unsigned int num_pages;
96 /* mapped[i] is zero if nothing is mapped at logical page I,
97 otherwise it contains the pagenumber plus one (of the mapped page). */
99 unsigned int nmapped, ncanmap;
100 unsigned int rr_counter;
102 unsigned char *vincore;
103 unsigned int vincorelen;
105 Id *attrs; /* un-internalized attributes */
106 Id *extraattrs; /* Same, but for extra objects. */
107 unsigned char *attrdata; /* their string data space */
108 unsigned int attrdatalen;
109 Id *attriddata; /* their id space */
110 unsigned int attriddatalen;
111 Id **structs; /* key-value lists */
112 unsigned int nstructs;
119 Id *addedfileprovides;
124 * management functions
126 void repodata_init(Repodata *data, struct _Repo *repo, int localpool);
127 void repodata_extend(Repodata *data, Id p);
128 void repodata_extend_extra(Repodata *data, int nextra);
129 void repodata_extend_block(Repodata *data, Id p, int num);
130 void repodata_free(Repodata *data);
132 /* internalize repodata into .solv, required before writing out a .solv file */
133 void repodata_internalize(Repodata *data);
140 /* Search key <keyname> (all keys, if keyname == 0) for Id <entry>
141 * <entry> is _relative_ Id for <data>
142 * Call <callback> for each match
144 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);
146 /* lookup functions */
147 Id repodata_lookup_id(Repodata *data, Id entry, Id keyid);
148 const char *repodata_lookup_str(Repodata *data, Id entry, Id keyid);
149 int repodata_lookup_num(Repodata *data, Id entry, Id keyid, unsigned int *value);
150 int repodata_lookup_void(Repodata *data, Id entry, Id keyid);
151 const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id entry, Id keyid, Id *typep);
155 * data assignment functions
158 /* Returns a handle for the attributes of ENTRY. ENTRY >= 0
159 corresponds to data associated with a solvable, ENTRY < 0 is
160 extra data. The returned handle is used in the various repodata_set_*
161 functions to add attributes to it. */
162 Id repodata_get_handle(Repodata *data, Id entry);
164 /* basic types: void, num, string, Id */
166 void repodata_set_void(Repodata *data, Id handle, Id keyname);
167 void repodata_set_num(Repodata *data, Id handle, Id keyname, unsigned int num);
168 void repodata_set_str(Repodata *data, Id handle, Id keyname, const char *str);
169 void repodata_set_id(Repodata *data, Id handle, Id keyname, Id id);
173 void repodata_set_poolstr(Repodata *data, Id handle, Id keyname, const char *str);
175 /* set numeric constant */
176 void repodata_set_constant(Repodata *data, Id handle, Id keyname, unsigned int constant);
178 /* set Id constant */
179 void repodata_set_constantid(Repodata *data, Id handle, Id keyname, Id id);
182 void repodata_set_bin_checksum(Repodata *data, Id handle, Id keyname, Id type,
183 const unsigned char *buf);
184 void repodata_set_checksum(Repodata *data, Id handle, Id keyname, Id type,
187 /* directory (for package file list) */
188 void repodata_add_dirnumnum(Repodata *data, Id handle, Id keyname, Id dir, Id num, Id num2);
189 void repodata_add_dirstr(Repodata *data, Id handle, Id keyname, Id dir, const char *str);
193 void repodata_add_idarray(Repodata *data, Id handle, Id keyname, Id id);
194 void repodata_add_poolstr_array(Repodata *data, Id handle, Id keyname,
196 /* Creates a new substructure. Returns a handle for it (usable with the
197 other repodata_{set,add}_* functions. */
198 Id repodata_create_struct(Repodata *data, Id handle, Id keyname);
204 /* merge attributes */
205 void repodata_merge_attrs (Repodata *data, Id dest, Id src);
208 void repodata_disable_paging(Repodata *data);
210 /* helper functions */
211 Id repodata_globalize_id(Repodata *data, Id id);
212 Id repodata_str2dir(Repodata *data, const char *dir, int create);
213 const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
214 const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
217 unsigned int repodata_compress_page(unsigned char *, unsigned int, unsigned char *, unsigned int);
218 void repodata_read_or_setup_pages(Repodata *data, unsigned int pagesz, unsigned int blobsz);
220 #endif /* SATSOLVER_REPODATA_H */