/* * 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 #include "pooltypes.h" #include "pool.h" #include "dirpool.h" #include "repopage.h" #define SIZEOF_MD5 16 #define SIZEOF_SHA1 20 #define SIZEOF_SHA256 32 struct _Repo; struct _KeyValue; typedef struct _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 typedef struct _Repodata { struct _Repo *repo; /* back pointer to repo */ #define REPODATA_AVAILABLE 0 #define REPODATA_STUB 1 #define REPODATA_ERROR 2 #define REPODATA_STORE 3 #define REPODATA_LOADING 4 int state; /* available, stub or error */ void (*loadcallback)(struct _Repodata *); int start; /* start of solvables this repodata is valid for */ int end; /* last solvable + 1 of this repodata */ FILE *fp; /* file pointer of solv file */ int error; /* corrupt solv file */ Repokey *keys; /* keys, first entry is always zero */ unsigned int nkeys; /* length of keys array */ unsigned char keybits[32]; /* keyname hash */ Id *schemata; /* schema -> offset into schemadata */ unsigned int nschemata; /* number of schemata */ Id *schemadata; /* schema storage */ unsigned int schemadatalen; /* schema storage size */ Id *schematahash; /* unification helper */ Stringpool spool; /* local string pool */ int localpool; /* is local string pool used */ Dirpool dirpool; /* local dir pool */ 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 */ 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 */ /* array cache to speed up repodata_add functions*/ Id lasthandle; Id lastkey; Id lastdatalen; } Repodata; #define SOLVID_META -1 #define SOLVID_POS -2 #define SOLVID_SUBSCHEMA -3 /* internal! */ /*----- * management functions */ void repodata_initdata(Repodata *data, struct _Repo *repo, int localpool); void repodata_freedata(Repodata *data); Repodata *repodata_create(struct _Repo *repo, int localpool); void repodata_free(Repodata *data); void repodata_empty(Repodata *data, int localpool); /* * 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 (all keys, if keyname == 0) for Id * Call 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 _KeyValue *kv), void *cbdata); /* Make sure the found KeyValue has the "str" field set. Return false * if not possible */ int repodata_stringify(Pool *pool, Repodata *data, Repokey *key, struct _KeyValue *kv, int flags); int repodata_filelistfilter_matches(Repodata *data, const char *str); /* 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); int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned int *value); 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); /*----- * 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 int 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); /* 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); void repodata_delete(Repodata *data, Id solvid, Id keyname); void repodata_delete_uninternalized(Repodata *data, Id solvid, Id keyname); /* merge 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_create_stubs(Repodata *data); void repodata_join(Repodata *data, Id joinkey); /* * 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_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); #endif /* LIBSOLV_REPODATA_H */