1 /* 2 * db.h 3 * 4 * Copyright (c) 2006-2018 Pacman Development Team <pacman-dev@archlinux.org> 5 * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org> 6 * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com> 7 * Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program. If not, see <http://www.gnu.org/licenses/>. 21 */ 22 #ifndef ALPM_DB_H 23 #define ALPM_DB_H 24 25 /* libarchive */ 26 #include <archive.h> 27 #include <archive_entry.h> 28 29 #include "alpm.h" 30 #include "pkghash.h" 31 #include "signing.h" 32 33 /* Database entries */ 34 typedef enum _alpm_dbinfrq_t { 35 INFRQ_BASE = (1 << 0), 36 INFRQ_DESC = (1 << 1), 37 INFRQ_FILES = (1 << 2), 38 INFRQ_SCRIPTLET = (1 << 3), 39 INFRQ_DSIZE = (1 << 4), 40 /* ALL should be info stored in the package or database */ 41 INFRQ_ALL = INFRQ_BASE | INFRQ_DESC | INFRQ_FILES | 42 INFRQ_SCRIPTLET | INFRQ_DSIZE, 43 INFRQ_ERROR = (1 << 30) 44 } alpm_dbinfrq_t; 45 46 /** Database status. Bitflags. */ 47 enum _alpm_dbstatus_t { 48 DB_STATUS_VALID = (1 << 0), 49 DB_STATUS_INVALID = (1 << 1), 50 DB_STATUS_EXISTS = (1 << 2), 51 DB_STATUS_MISSING = (1 << 3), 52 53 DB_STATUS_LOCAL = (1 << 10), 54 DB_STATUS_PKGCACHE = (1 << 11), 55 DB_STATUS_GRPCACHE = (1 << 12) 56 }; 57 58 struct db_operations { 59 int (*validate) (alpm_db_t *); 60 int (*populate) (alpm_db_t *); 61 void (*unregister) (alpm_db_t *); 62 }; 63 64 /* Database */ 65 struct __alpm_db_t { 66 alpm_handle_t *handle; 67 char *treename; 68 /* do not access directly, use _alpm_db_path(db) for lazy access */ 69 char *_path; 70 alpm_pkghash_t *pkgcache; 71 alpm_list_t *grpcache; 72 alpm_list_t *servers; 73 struct db_operations *ops; 74 75 /* bitfields for validity, local, loaded caches, etc. */ 76 /* From _alpm_dbstatus_t */ 77 int status; 78 /* alpm_siglevel_t */ 79 int siglevel; 80 /* alpm_db_usage_t */ 81 int usage; 82 }; 83 84 85 /* db.c, database general calls */ 86 alpm_db_t *_alpm_db_new(const char *treename, int is_local); 87 void _alpm_db_free(alpm_db_t *db); 88 const char *_alpm_db_path(alpm_db_t *db); 89 int _alpm_db_cmp(const void *d1, const void *d2); 90 alpm_list_t *_alpm_db_search(alpm_db_t *db, const alpm_list_t *needles); 91 alpm_db_t *_alpm_db_register_local(alpm_handle_t *handle); 92 alpm_db_t *_alpm_db_register_sync(alpm_handle_t *handle, const char *treename, 93 int level); 94 void _alpm_db_unregister(alpm_db_t *db); 95 96 /* be_*.c, backend specific calls */ 97 int _alpm_local_db_prepare(alpm_db_t *db, alpm_pkg_t *info); 98 int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, int inforeq); 99 int _alpm_local_db_remove(alpm_db_t *db, alpm_pkg_t *info); 100 char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t *info, const char *filename); 101 102 /* cache bullshit */ 103 /* packages */ 104 void _alpm_db_free_pkgcache(alpm_db_t *db); 105 int _alpm_db_add_pkgincache(alpm_db_t *db, alpm_pkg_t *pkg); 106 int _alpm_db_remove_pkgfromcache(alpm_db_t *db, alpm_pkg_t *pkg); 107 alpm_pkghash_t *_alpm_db_get_pkgcache_hash(alpm_db_t *db); 108 alpm_list_t *_alpm_db_get_pkgcache(alpm_db_t *db); 109 alpm_pkg_t *_alpm_db_get_pkgfromcache(alpm_db_t *db, const char *target); 110 /* groups */ 111 alpm_list_t *_alpm_db_get_groupcache(alpm_db_t *db); 112 alpm_group_t *_alpm_db_get_groupfromcache(alpm_db_t *db, const char *target); 113 114 #endif /* ALPM_DB_H */ 115