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- /*
- * Copyright (c) 2007, Novell Inc.
- *
- * This program is licensed under the BSD license, read LICENSE.BSD
- * for further information
- */
- /*
- * repodata.h
- *
- */
- #ifndef LIBSOLV_REPODATA_H
- #define LIBSOLV_REPODATA_H
- #include <stdio.h>
- #include "pooltypes.h"
- #include "pool.h"
- #include "dirpool.h"
- #ifdef LIBSOLV_INTERNAL
- #include "repopage.h"
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define SIZEOF_MD5 16
- #define SIZEOF_SHA1 20
- #define SIZEOF_SHA224 28
- #define SIZEOF_SHA256 32
- #define SIZEOF_SHA384 48
- #define SIZEOF_SHA512 64
- struct s_Repo;
- struct s_KeyValue;
- typedef struct s_Repokey {
- Id name;
- Id type; /* REPOKEY_TYPE_xxx */
- unsigned int size;
- unsigned int storage; /* KEY_STORAGE_xxx */
- } Repokey;
- #define KEY_STORAGE_DROPPED 0
- #define KEY_STORAGE_SOLVABLE 1
- #define KEY_STORAGE_INCORE 2
- #define KEY_STORAGE_VERTICAL_OFFSET 3
- #define KEY_STORAGE_IDARRAYBLOCK 4
- #ifdef LIBSOLV_INTERNAL
- struct dircache;
- #endif
- /* repodata states */
- #define REPODATA_AVAILABLE 0
- #define REPODATA_STUB 1
- #define REPODATA_ERROR 2
- #define REPODATA_STORE 3
- #define REPODATA_LOADING 4
- /* repodata filelist types */
- /* note that FILELIST_FILTERED means that the data contains a filtered
- * filelist *AND* that it is authoritative for all included solvables. */
- #define REPODATA_FILELIST_FILTERED 1
- #define REPODATA_FILELIST_EXTENSION 2
- typedef struct s_Repodata {
- Id repodataid; /* our id */
- struct s_Repo *repo; /* back pointer to repo */
- int state; /* available, stub or error */
- void (*loadcallback)(struct s_Repodata *);
- int start; /* start of solvables this repodata is valid for */
- int end; /* last solvable + 1 of this repodata */
- Repokey *keys; /* keys, first entry is always zero */
- int nkeys; /* length of keys array */
- unsigned char keybits[32]; /* keyname hash */
- Id *schemata; /* schema -> offset into schemadata */
- int nschemata; /* number of schemata */
- Id *schemadata; /* schema storage */
- Stringpool spool; /* local string pool */
- int localpool; /* is local string pool used */
- Dirpool dirpool; /* local dir pool */
- #ifdef LIBSOLV_INTERNAL
- FILE *fp; /* file pointer of solv file */
- int error; /* corrupt solv file */
- int filelisttype; /* type of filelist */
- Id *filelistfilter; /* filelist filter used */
- char *filelistfilterdata; /* filelist filter string space */
- unsigned int schemadatalen; /* schema storage size */
- Id *schematahash; /* unification helper */
- unsigned char *incoredata; /* in-core data */
- unsigned int incoredatalen; /* in-core data used */
- unsigned int incoredatafree; /* free data len */
- Id mainschema; /* SOLVID_META schema */
- Id *mainschemaoffsets; /* SOLVID_META offsets into incoredata */
- Id *incoreoffset; /* offset for all entries */
- Id *verticaloffset; /* offset for all verticals, nkeys elements */
- Id lastverticaloffset; /* end of verticals */
- Repopagestore store; /* our page store */
- Id storestate; /* incremented every time the store might change */
- unsigned char *vincore; /* internal vertical data */
- unsigned int vincorelen; /* data size */
- Id **attrs; /* un-internalized attributes */
- Id **xattrs; /* anonymous handles */
- int nxattrs; /* number of handles */
- unsigned char *attrdata; /* their string data space */
- unsigned int attrdatalen; /* its len */
- Id *attriddata; /* their id space */
- unsigned int attriddatalen; /* its len */
- unsigned long long *attrnum64data; /* their 64bit num data space */
- unsigned int attrnum64datalen; /* its len */
- /* array cache to speed up repodata_add functions*/
- Id lasthandle;
- Id lastkey;
- Id lastdatalen;
- /* directory cache to speed up repodata_str2dir */
- struct dircache *dircache;
- #endif
- } Repodata;
- #define SOLVID_META -1
- #define SOLVID_POS -2
- /*-----
- * management functions
- */
- void repodata_initdata(Repodata *data, struct s_Repo *repo, int localpool);
- void repodata_freedata(Repodata *data);
- void repodata_free(Repodata *data);
- void repodata_empty(Repodata *data, int localpool);
- void repodata_load(Repodata *data);
- /*
- * key management functions
- */
- Id repodata_key2id(Repodata *data, Repokey *key, int create);
- static inline Repokey *
- repodata_id2key(Repodata *data, Id keyid)
- {
- return data->keys + keyid;
- }
- /*
- * schema management functions
- */
- Id repodata_schema2id(Repodata *data, Id *schema, int create);
- void repodata_free_schemahash(Repodata *data);
- static inline Id *
- repodata_id2schema(Repodata *data, Id schemaid)
- {
- return data->schemadata + data->schemata[schemaid];
- }
- /*
- * data search and access
- */
- /* check if there is a chance that the repodata contains data for
- * the specified keyname */
- static inline int
- repodata_precheck_keyname(Repodata *data, Id keyname)
- {
- unsigned char x = data->keybits[(keyname >> 3) & (sizeof(data->keybits) - 1)];
- return x && (x & (1 << (keyname & 7))) ? 1 : 0;
- }
- /* check if the repodata contains data for the specified keyname */
- static inline int
- repodata_has_keyname(Repodata *data, Id keyname)
- {
- int i;
- if (!repodata_precheck_keyname(data, keyname))
- return 0;
- for (i = 1; i < data->nkeys; i++)
- if (data->keys[i].name == keyname)
- return 1;
- return 0;
- }
- /* search key <keyname> (all keys, if keyname == 0) for Id <solvid>
- * Call <callback> for each match */
- void repodata_search(Repodata *data, Id solvid, Id keyname, int flags, int (*callback)(void *cbdata, Solvable *s, Repodata *data, Repokey *key, struct s_KeyValue *kv), void *cbdata);
- void repodata_search_keyskip(Repodata *data, Id solvid, Id keyname, int flags, Id *keyskip, int (*callback)(void *cbdata, Solvable *s, Repodata *data, Repokey *key, struct s_KeyValue *kv), void *cbdata);
- void repodata_search_arrayelement(Repodata *data, Id solvid, Id keyname, int flags, struct s_KeyValue *kv, int (*callback)(void *cbdata, Solvable *s, Repodata *data, Repokey *key, struct s_KeyValue *kv), void *cbdata);
- /* Make sure the found KeyValue has the "str" field set. Return "str"
- * if valid, NULL if not possible */
- const char *repodata_stringify(Pool *pool, Repodata *data, Repokey *key, struct s_KeyValue *kv, int flags);
- /* filelist filter support */
- void repodata_set_filelisttype(Repodata *data, int filelisttype);
- int repodata_filelistfilter_matches(Repodata *data, const char *str);
- void repodata_free_filelistfilter(Repodata *data);
- /* lookup functions */
- Id repodata_lookup_type(Repodata *data, Id solvid, Id keyname);
- Id repodata_lookup_id(Repodata *data, Id solvid, Id keyname);
- const char *repodata_lookup_str(Repodata *data, Id solvid, Id keyname);
- unsigned long long repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned long long notfound);
- int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
- const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);
- int repodata_lookup_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
- const void *repodata_lookup_binary(Repodata *data, Id solvid, Id keyname, int *lenp);
- unsigned int repodata_lookup_count(Repodata *data, Id solvid, Id keyname); /* internal */
- /* internal, used in fileprovides code */
- const unsigned char *repodata_lookup_packed_dirstrarray(Repodata *data, Id solvid, Id keyname);
- /* internal, fill keyskip array with data */
- Id *repodata_fill_keyskip(Repodata *data, Id solvid, Id *keyskip);
- /*-----
- * data assignment functions
- */
- /*
- * extend the data so that it contains the specified solvables
- * (no longer needed, as the repodata_set functions autoextend)
- */
- void repodata_extend(Repodata *data, Id p);
- void repodata_extend_block(Repodata *data, Id p, int num);
- void repodata_shrink(Repodata *data, int end);
- /* internalize freshly set data, so that it is found by the search
- * functions and written out */
- void repodata_internalize(Repodata *data);
- /* create an anonymous handle. useful for substructures like
- * fixarray/flexarray */
- Id repodata_new_handle(Repodata *data);
- /* basic types: void, num, string, Id */
- void repodata_set_void(Repodata *data, Id solvid, Id keyname);
- void repodata_set_num(Repodata *data, Id solvid, Id keyname, unsigned long long num);
- void repodata_set_id(Repodata *data, Id solvid, Id keyname, Id id);
- void repodata_set_str(Repodata *data, Id solvid, Id keyname, const char *str);
- void repodata_set_binary(Repodata *data, Id solvid, Id keyname, void *buf, int len);
- /* create id from string, then set_id */
- void repodata_set_poolstr(Repodata *data, Id solvid, Id keyname, const char *str);
- /* set numeric constant */
- void repodata_set_constant(Repodata *data, Id solvid, Id keyname, unsigned int constant);
- /* set Id constant */
- void repodata_set_constantid(Repodata *data, Id solvid, Id keyname, Id id);
- /* checksum */
- void repodata_set_bin_checksum(Repodata *data, Id solvid, Id keyname, Id type,
- const unsigned char *buf);
- void repodata_set_checksum(Repodata *data, Id solvid, Id keyname, Id type,
- const char *str);
- void repodata_set_idarray(Repodata *data, Id solvid, Id keyname, Queue *q);
- /* directory (for package file list) */
- void repodata_add_dirnumnum(Repodata *data, Id solvid, Id keyname, Id dir, Id num, Id num2);
- void repodata_add_dirstr(Repodata *data, Id solvid, Id keyname, Id dir, const char *str);
- void repodata_free_dircache(Repodata *data);
- /* arrays */
- void repodata_add_idarray(Repodata *data, Id solvid, Id keyname, Id id);
- void repodata_add_poolstr_array(Repodata *data, Id solvid, Id keyname, const char *str);
- void repodata_add_fixarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
- void repodata_add_flexarray(Repodata *data, Id solvid, Id keyname, Id ghandle);
- /* generic */
- void repodata_set_kv(Repodata *data, Id solvid, Id keyname, Id keytype, struct s_KeyValue *kv);
- void repodata_unset(Repodata *data, Id solvid, Id keyname);
- void repodata_unset_uninternalized(Repodata *data, Id solvid, Id keyname);
- /*
- merge/swap attributes from one solvable to another
- works only if the data is not yet internalized
- */
- void repodata_merge_attrs(Repodata *data, Id dest, Id src);
- void repodata_merge_some_attrs(Repodata *data, Id dest, Id src, Map *keyidmap, int overwrite);
- void repodata_swap_attrs(Repodata *data, Id dest, Id src);
- Repodata *repodata_create_stubs(Repodata *data);
- /*
- * load all paged data, used to speed up copying in repo_rpmdb
- */
- void repodata_disable_paging(Repodata *data);
- /* helper functions */
- Id repodata_globalize_id(Repodata *data, Id id, int create);
- Id repodata_localize_id(Repodata *data, Id id, int create);
- Id repodata_translate_id(Repodata *data, Repodata *fromdata, Id id, int create);
- Id repodata_translate_dir_slow(Repodata *data, Repodata *fromdata, Id dir, int create, Id *cache);
- Id repodata_str2dir(Repodata *data, const char *dir, int create);
- const char *repodata_dir2str(Repodata *data, Id did, const char *suf);
- const char *repodata_chk2str(Repodata *data, Id type, const unsigned char *buf);
- void repodata_set_location(Repodata *data, Id solvid, int medianr, const char *dir, const char *file);
- void repodata_set_deltalocation(Repodata *data, Id handle, int medianr, const char *dir, const char *file);
- void repodata_set_sourcepkg(Repodata *data, Id solvid, const char *sourcepkg);
- /* uninternalized data lookup / search */
- Repokey *repodata_lookup_kv_uninternalized(Repodata *data, Id solvid, Id keyname, struct s_KeyValue *kv);
- void repodata_search_uninternalized(Repodata *data, Id solvid, Id keyname, int flags, int (*callback)(void *cbdata, Solvable *s, Repodata *data, Repokey *key, struct s_KeyValue *kv), void *cbdata);
- /* stats */
- unsigned int repodata_memused(Repodata *data);
- static inline Id
- repodata_translate_dir(Repodata *data, Repodata *fromdata, Id dir, int create, Id *cache)
- {
- if (cache && dir && cache[(dir & 255) * 2] == dir)
- return cache[(dir & 255) * 2 + 1];
- return repodata_translate_dir_slow(data, fromdata, dir, create, cache);
- }
- static inline Id *
- repodata_create_dirtranscache(Repodata *data)
- {
- return (Id *)solv_calloc(256, sizeof(Id) * 2);
- }
- static inline Id *
- repodata_free_dirtranscache(Id *cache)
- {
- return (Id *)solv_free(cache);
- }
- #ifdef __cplusplus
- }
- #endif
- #endif /* LIBSOLV_REPODATA_H */
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