diff options
Diffstat (limited to 'lib/libalpm/be_files.c')
| -rw-r--r-- | lib/libalpm/be_files.c | 247 |
1 files changed, 245 insertions, 2 deletions
diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c index c0298049..e8573947 100644 --- a/lib/libalpm/be_files.c +++ b/lib/libalpm/be_files.c @@ -1,8 +1,8 @@ /* * be_files.c * - * Copyright (c) 2006 by Christian Hamar <krics@linuxforum.hu> - * Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org> + * Copyright (c) 2006-2010 Pacman Development Team <pacman-dev@archlinux.org> + * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -51,6 +51,247 @@ #include "dload.h" +#define LAZY_LOAD(info, errret) \ + do { \ + ALPM_LOG_FUNC; \ + ASSERT(handle != NULL, return(errret)); \ + ASSERT(pkg != NULL, return(errret)); \ + if(pkg->origin != PKG_FROM_FILE && !(pkg->infolevel & info)) { \ + _alpm_db_read(pkg->origin_data.db, pkg, info); \ + } \ + } while(0) + + +/* Cache-specific accessor functions. These implementations allow for lazy + * loading by the files backend when a data member is actually needed + * rather than loading all pieces of information when the package is first + * initialized. + */ + +const char *_cache_get_filename(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->filename; +} + +const char *_cache_get_name(pmpkg_t *pkg) +{ + ASSERT(pkg != NULL, return(NULL)); + return pkg->name; +} + +static const char *_cache_get_version(pmpkg_t *pkg) +{ + ASSERT(pkg != NULL, return(NULL)); + return pkg->version; +} + +static const char *_cache_get_desc(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->desc; +} + +const char *_cache_get_url(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->url; +} + +time_t _cache_get_builddate(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, 0); + return pkg->builddate; +} + +time_t _cache_get_installdate(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, 0); + return pkg->installdate; +} + +const char *_cache_get_packager(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->packager; +} + +const char *_cache_get_md5sum(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->md5sum; +} + +const char *_cache_get_arch(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->arch; +} + +off_t _cache_get_size(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->size; +} + +off_t _cache_get_isize(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->isize; +} + +pmpkgreason_t _cache_get_reason(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->reason; +} + +alpm_list_t *_cache_get_licenses(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->licenses; +} + +alpm_list_t *_cache_get_groups(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->groups; +} + +int _cache_has_force(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->force; +} + +alpm_list_t *_cache_get_depends(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DEPENDS, NULL); + return pkg->depends; +} + +alpm_list_t *_cache_get_optdepends(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DEPENDS, NULL); + return pkg->optdepends; +} + +alpm_list_t *_cache_get_conflicts(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DEPENDS, NULL); + return pkg->conflicts; +} + +alpm_list_t *_cache_get_provides(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DEPENDS, NULL); + return pkg->provides; +} + +alpm_list_t *_cache_get_replaces(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->replaces; +} + +alpm_list_t *_cache_get_deltas(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DELTAS, NULL); + return pkg->deltas; +} + +alpm_list_t *_cache_get_files(pmpkg_t *pkg) +{ + ALPM_LOG_FUNC; + + /* Sanity checks */ + ASSERT(handle != NULL, return(NULL)); + ASSERT(pkg != NULL, return(NULL)); + + if(pkg->origin == PKG_FROM_LOCALDB + && !(pkg->infolevel & INFRQ_FILES)) { + _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES); + } + return pkg->files; +} + +alpm_list_t *_cache_get_backup(pmpkg_t *pkg) +{ + ALPM_LOG_FUNC; + + /* Sanity checks */ + ASSERT(handle != NULL, return(NULL)); + ASSERT(pkg != NULL, return(NULL)); + + if(pkg->origin == PKG_FROM_LOCALDB + && !(pkg->infolevel & INFRQ_FILES)) { + _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES); + } + return pkg->backup; +} + +/** The sync database operations struct. Get package fields through + * lazy accessor methods that handle any backend loading and caching + * logic. + */ +static struct pkg_operations sync_pkg_ops = { + .get_filename = _cache_get_filename, + .get_name = _cache_get_name, + .get_version = _cache_get_version, + .get_desc = _cache_get_desc, + .get_url = _cache_get_url, + .get_builddate = _cache_get_builddate, + .get_installdate = _cache_get_installdate, + .get_packager = _cache_get_packager, + .get_md5sum = _cache_get_md5sum, + .get_arch = _cache_get_arch, + .get_size = _cache_get_size, + .get_isize = _cache_get_isize, + .get_reason = _cache_get_reason, + .has_force = _cache_has_force, + .get_licenses = _cache_get_licenses, + .get_groups = _cache_get_groups, + .get_depends = _cache_get_depends, + .get_optdepends = _cache_get_optdepends, + .get_conflicts = _cache_get_conflicts, + .get_provides = _cache_get_provides, + .get_replaces = _cache_get_replaces, + .get_deltas = _cache_get_deltas, + .get_files = _cache_get_files, + .get_backup = _cache_get_backup, +}; + +/** The local database operations struct. Get package fields through + * lazy accessor methods that handle any backend loading and caching + * logic. + */ +static struct pkg_operations local_pkg_ops = { + .get_filename = _cache_get_filename, + .get_name = _cache_get_name, + .get_version = _cache_get_version, + .get_desc = _cache_get_desc, + .get_url = _cache_get_url, + .get_builddate = _cache_get_builddate, + .get_installdate = _cache_get_installdate, + .get_packager = _cache_get_packager, + .get_md5sum = _cache_get_md5sum, + .get_arch = _cache_get_arch, + .get_size = _cache_get_size, + .get_isize = _cache_get_isize, + .get_reason = _cache_get_reason, + .has_force = _cache_has_force, + .get_licenses = _cache_get_licenses, + .get_groups = _cache_get_groups, + .get_depends = _cache_get_depends, + .get_optdepends = _cache_get_optdepends, + .get_conflicts = _cache_get_conflicts, + .get_provides = _cache_get_provides, + .get_replaces = _cache_get_replaces, + .get_deltas = _cache_get_deltas, + .get_files = _cache_get_files, + .get_backup = _cache_get_backup, +}; + static int checkdbdir(pmdb_t *db) { struct stat buf; @@ -417,8 +658,10 @@ int _alpm_db_populate(pmdb_t *db) } if(db == handle->db_local) { pkg->origin = PKG_FROM_LOCALDB; + pkg->ops = &local_pkg_ops; } else { pkg->origin = PKG_FROM_SYNCDB; + pkg->ops = &sync_pkg_ops; } pkg->origin_data.db = db; /* add to the collection */ |