From 96e277cfd935d680d6309311260fe79567324e9c Mon Sep 17 00:00:00 2001
From: Allan McRae <allan@archlinux.org>
Date: Wed, 13 Oct 2010 22:56:35 +1000
Subject: Move db cache handling functions
These will be needed for the handling of both local and sync database
caches, so put them in a common location.
Signed-off-by: Allan McRae <allan@archlinux.org>
---
lib/libalpm/be_files.c | 242 ------------------------------------------------
lib/libalpm/db.c | 243 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 243 insertions(+), 242 deletions(-)
(limited to 'lib/libalpm')
diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c
index 013c8fb2..864e58ea 100644
--- a/lib/libalpm/be_files.c
+++ b/lib/libalpm/be_files.c
@@ -353,248 +353,6 @@ static struct pkg_operations local_pkg_ops = {
.changelog_close = _cache_changelog_close,
};
-/* Returns a new package cache from db.
- * It frees the cache if it already exists.
- */
-int _alpm_db_load_pkgcache(pmdb_t *db)
-{
- ALPM_LOG_FUNC;
-
- if(db == NULL) {
- return(-1);
- }
- _alpm_db_free_pkgcache(db);
-
- _alpm_log(PM_LOG_DEBUG, "loading package cache for repository '%s'\n",
- db->treename);
- if(db->ops->populate(db) == -1) {
- _alpm_log(PM_LOG_DEBUG,
- "failed to load package cache for repository '%s'\n", db->treename);
- return(-1);
- }
-
- db->pkgcache_loaded = 1;
- return(0);
-}
-
-void _alpm_db_free_pkgcache(pmdb_t *db)
-{
- ALPM_LOG_FUNC;
-
- if(db == NULL || !db->pkgcache_loaded) {
- return;
- }
-
- _alpm_log(PM_LOG_DEBUG, "freeing package cache for repository '%s'\n",
- db->treename);
-
- alpm_list_free_inner(db->pkgcache, (alpm_list_fn_free)_alpm_pkg_free);
- alpm_list_free(db->pkgcache);
- db->pkgcache_loaded = 0;
-
- _alpm_db_free_grpcache(db);
-}
-
-alpm_list_t *_alpm_db_get_pkgcache(pmdb_t *db)
-{
- ALPM_LOG_FUNC;
-
- if(db == NULL) {
- return(NULL);
- }
-
- if(!db->pkgcache_loaded) {
- _alpm_db_load_pkgcache(db);
- }
-
- /* hmmm, still NULL ?*/
- if(!db->pkgcache) {
- _alpm_log(PM_LOG_DEBUG, "warning: pkgcache is NULL for db '%s'\n", db->treename);
- }
-
- return(db->pkgcache);
-}
-
-/* "duplicate" pkg then add it to pkgcache */
-int _alpm_db_add_pkgincache(pmdb_t *db, pmpkg_t *pkg)
-{
- pmpkg_t *newpkg;
-
- ALPM_LOG_FUNC;
-
- if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
- return(-1);
- }
-
- newpkg = _alpm_pkg_dup(pkg);
- if(newpkg == NULL) {
- return(-1);
- }
-
- _alpm_log(PM_LOG_DEBUG, "adding entry '%s' in '%s' cache\n",
- alpm_pkg_get_name(newpkg), db->treename);
- db->pkgcache = alpm_list_add_sorted(db->pkgcache, newpkg, _alpm_pkg_cmp);
-
- _alpm_db_free_grpcache(db);
-
- return(0);
-}
-
-int _alpm_db_remove_pkgfromcache(pmdb_t *db, pmpkg_t *pkg)
-{
- void *vdata;
- pmpkg_t *data;
-
- ALPM_LOG_FUNC;
-
- if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
- return(-1);
- }
-
- _alpm_log(PM_LOG_DEBUG, "removing entry '%s' from '%s' cache\n",
- alpm_pkg_get_name(pkg), db->treename);
-
- db->pkgcache = alpm_list_remove(db->pkgcache, pkg, _alpm_pkg_cmp, &vdata);
- data = vdata;
- if(data == NULL) {
- /* package not found */
- _alpm_log(PM_LOG_DEBUG, "cannot remove entry '%s' from '%s' cache: not found\n",
- alpm_pkg_get_name(pkg), db->treename);
- return(-1);
- }
-
- _alpm_pkg_free(data);
-
- _alpm_db_free_grpcache(db);
-
- return(0);
-}
-
-pmpkg_t *_alpm_db_get_pkgfromcache(pmdb_t *db, const char *target)
-{
- ALPM_LOG_FUNC;
-
- if(db == NULL) {
- return(NULL);
- }
-
- alpm_list_t *pkgcache = _alpm_db_get_pkgcache(db);
- if(!pkgcache) {
- _alpm_log(PM_LOG_DEBUG, "warning: failed to get '%s' from NULL pkgcache\n",
- target);
- return(NULL);
- }
-
- return(_alpm_pkg_find(pkgcache, target));
-}
-
-/* Returns a new group cache from db.
- */
-int _alpm_db_load_grpcache(pmdb_t *db)
-{
- alpm_list_t *lp;
-
- ALPM_LOG_FUNC;
-
- if(db == NULL) {
- return(-1);
- }
-
- _alpm_log(PM_LOG_DEBUG, "loading group cache for repository '%s'\n",
- db->treename);
-
- for(lp = _alpm_db_get_pkgcache(db); lp; lp = lp->next) {
- const alpm_list_t *i;
- pmpkg_t *pkg = lp->data;
-
- for(i = alpm_pkg_get_groups(pkg); i; i = i->next) {
- const char *grpname = i->data;
- alpm_list_t *j;
- pmgrp_t *grp = NULL;
- int found = 0;
-
- /* first look through the group cache for a group with this name */
- for(j = db->grpcache; j; j = j->next) {
- grp = j->data;
-
- if(strcmp(grp->name, grpname) == 0
- && !alpm_list_find_ptr(grp->packages, pkg)) {
- grp->packages = alpm_list_add(grp->packages, pkg);
- found = 1;
- break;
- }
- }
- if(found) {
- continue;
- }
- /* we didn't find the group, so create a new one with this name */
- grp = _alpm_grp_new(grpname);
- grp->packages = alpm_list_add(grp->packages, pkg);
- db->grpcache = alpm_list_add(db->grpcache, grp);
- }
- }
-
- db->grpcache_loaded = 1;
- return(0);
-}
-
-void _alpm_db_free_grpcache(pmdb_t *db)
-{
- alpm_list_t *lg;
-
- ALPM_LOG_FUNC;
-
- if(db == NULL || !db->grpcache_loaded) {
- return;
- }
-
- _alpm_log(PM_LOG_DEBUG, "freeing group cache for repository '%s'\n",
- db->treename);
-
- for(lg = db->grpcache; lg; lg = lg->next) {
- _alpm_grp_free(lg->data);
- lg->data = NULL;
- }
- FREELIST(db->grpcache);
- db->grpcache_loaded = 0;
-}
-
-alpm_list_t *_alpm_db_get_grpcache(pmdb_t *db)
-{
- ALPM_LOG_FUNC;
-
- if(db == NULL) {
- return(NULL);
- }
-
- if(!db->grpcache_loaded) {
- _alpm_db_load_grpcache(db);
- }
-
- return(db->grpcache);
-}
-
-pmgrp_t *_alpm_db_get_grpfromcache(pmdb_t *db, const char *target)
-{
- alpm_list_t *i;
-
- ALPM_LOG_FUNC;
-
- if(db == NULL || target == NULL || strlen(target) == 0) {
- return(NULL);
- }
-
- for(i = _alpm_db_get_grpcache(db); i; i = i->next) {
- pmgrp_t *info = i->data;
-
- if(strcmp(info->name, target) == 0) {
- return(info);
- }
- }
-
- return(NULL);
-}
-
/* create list of directories in db */
static int dirlist_from_tar(const char *archive, alpm_list_t **dirlist)
{
diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
index d2844f8b..ac3b9ccb 100644
--- a/lib/libalpm/db.c
+++ b/lib/libalpm/db.c
@@ -41,6 +41,7 @@
#include "handle.h"
#include "alpm.h"
#include "package.h"
+#include "group.h"
struct db_operations default_db_ops = {
.populate = _alpm_db_populate,
@@ -562,6 +563,248 @@ pmdb_t *_alpm_db_register_sync(const char *treename)
return(db);
}
+/* Returns a new package cache from db.
+ * It frees the cache if it already exists.
+ */
+int _alpm_db_load_pkgcache(pmdb_t *db)
+{
+ ALPM_LOG_FUNC;
+
+ if(db == NULL) {
+ return(-1);
+ }
+ _alpm_db_free_pkgcache(db);
+
+ _alpm_log(PM_LOG_DEBUG, "loading package cache for repository '%s'\n",
+ db->treename);
+ if(db->ops->populate(db) == -1) {
+ _alpm_log(PM_LOG_DEBUG,
+ "failed to load package cache for repository '%s'\n", db->treename);
+ return(-1);
+ }
+
+ db->pkgcache_loaded = 1;
+ return(0);
+}
+
+void _alpm_db_free_pkgcache(pmdb_t *db)
+{
+ ALPM_LOG_FUNC;
+
+ if(db == NULL || !db->pkgcache_loaded) {
+ return;
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "freeing package cache for repository '%s'\n",
+ db->treename);
+
+ alpm_list_free_inner(db->pkgcache, (alpm_list_fn_free)_alpm_pkg_free);
+ alpm_list_free(db->pkgcache);
+ db->pkgcache_loaded = 0;
+
+ _alpm_db_free_grpcache(db);
+}
+
+alpm_list_t *_alpm_db_get_pkgcache(pmdb_t *db)
+{
+ ALPM_LOG_FUNC;
+
+ if(db == NULL) {
+ return(NULL);
+ }
+
+ if(!db->pkgcache_loaded) {
+ _alpm_db_load_pkgcache(db);
+ }
+
+ /* hmmm, still NULL ?*/
+ if(!db->pkgcache) {
+ _alpm_log(PM_LOG_DEBUG, "warning: pkgcache is NULL for db '%s'\n", db->treename);
+ }
+
+ return(db->pkgcache);
+}
+
+/* "duplicate" pkg then add it to pkgcache */
+int _alpm_db_add_pkgincache(pmdb_t *db, pmpkg_t *pkg)
+{
+ pmpkg_t *newpkg;
+
+ ALPM_LOG_FUNC;
+
+ if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
+ return(-1);
+ }
+
+ newpkg = _alpm_pkg_dup(pkg);
+ if(newpkg == NULL) {
+ return(-1);
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "adding entry '%s' in '%s' cache\n",
+ alpm_pkg_get_name(newpkg), db->treename);
+ db->pkgcache = alpm_list_add_sorted(db->pkgcache, newpkg, _alpm_pkg_cmp);
+
+ _alpm_db_free_grpcache(db);
+
+ return(0);
+}
+
+int _alpm_db_remove_pkgfromcache(pmdb_t *db, pmpkg_t *pkg)
+{
+ void *vdata;
+ pmpkg_t *data;
+
+ ALPM_LOG_FUNC;
+
+ if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
+ return(-1);
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "removing entry '%s' from '%s' cache\n",
+ alpm_pkg_get_name(pkg), db->treename);
+
+ db->pkgcache = alpm_list_remove(db->pkgcache, pkg, _alpm_pkg_cmp, &vdata);
+ data = vdata;
+ if(data == NULL) {
+ /* package not found */
+ _alpm_log(PM_LOG_DEBUG, "cannot remove entry '%s' from '%s' cache: not found\n",
+ alpm_pkg_get_name(pkg), db->treename);
+ return(-1);
+ }
+
+ _alpm_pkg_free(data);
+
+ _alpm_db_free_grpcache(db);
+
+ return(0);
+}
+
+pmpkg_t *_alpm_db_get_pkgfromcache(pmdb_t *db, const char *target)
+{
+ ALPM_LOG_FUNC;
+
+ if(db == NULL) {
+ return(NULL);
+ }
+
+ alpm_list_t *pkgcache = _alpm_db_get_pkgcache(db);
+ if(!pkgcache) {
+ _alpm_log(PM_LOG_DEBUG, "warning: failed to get '%s' from NULL pkgcache\n",
+ target);
+ return(NULL);
+ }
+
+ return(_alpm_pkg_find(pkgcache, target));
+}
+
+/* Returns a new group cache from db.
+ */
+int _alpm_db_load_grpcache(pmdb_t *db)
+{
+ alpm_list_t *lp;
+
+ ALPM_LOG_FUNC;
+
+ if(db == NULL) {
+ return(-1);
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "loading group cache for repository '%s'\n",
+ db->treename);
+
+ for(lp = _alpm_db_get_pkgcache(db); lp; lp = lp->next) {
+ const alpm_list_t *i;
+ pmpkg_t *pkg = lp->data;
+
+ for(i = alpm_pkg_get_groups(pkg); i; i = i->next) {
+ const char *grpname = i->data;
+ alpm_list_t *j;
+ pmgrp_t *grp = NULL;
+ int found = 0;
+
+ /* first look through the group cache for a group with this name */
+ for(j = db->grpcache; j; j = j->next) {
+ grp = j->data;
+
+ if(strcmp(grp->name, grpname) == 0
+ && !alpm_list_find_ptr(grp->packages, pkg)) {
+ grp->packages = alpm_list_add(grp->packages, pkg);
+ found = 1;
+ break;
+ }
+ }
+ if(found) {
+ continue;
+ }
+ /* we didn't find the group, so create a new one with this name */
+ grp = _alpm_grp_new(grpname);
+ grp->packages = alpm_list_add(grp->packages, pkg);
+ db->grpcache = alpm_list_add(db->grpcache, grp);
+ }
+ }
+
+ db->grpcache_loaded = 1;
+ return(0);
+}
+
+void _alpm_db_free_grpcache(pmdb_t *db)
+{
+ alpm_list_t *lg;
+
+ ALPM_LOG_FUNC;
+
+ if(db == NULL || !db->grpcache_loaded) {
+ return;
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "freeing group cache for repository '%s'\n",
+ db->treename);
+
+ for(lg = db->grpcache; lg; lg = lg->next) {
+ _alpm_grp_free(lg->data);
+ lg->data = NULL;
+ }
+ FREELIST(db->grpcache);
+ db->grpcache_loaded = 0;
+}
+
+alpm_list_t *_alpm_db_get_grpcache(pmdb_t *db)
+{
+ ALPM_LOG_FUNC;
+
+ if(db == NULL) {
+ return(NULL);
+ }
+
+ if(!db->grpcache_loaded) {
+ _alpm_db_load_grpcache(db);
+ }
+
+ return(db->grpcache);
+}
+
+pmgrp_t *_alpm_db_get_grpfromcache(pmdb_t *db, const char *target)
+{
+ alpm_list_t *i;
+
+ ALPM_LOG_FUNC;
+
+ if(db == NULL || target == NULL || strlen(target) == 0) {
+ return(NULL);
+ }
+
+ for(i = _alpm_db_get_grpcache(db); i; i = i->next) {
+ pmgrp_t *info = i->data;
+
+ if(strcmp(info->name, target) == 0) {
+ return(info);
+ }
+ }
+
+ return(NULL);
+}
+
int splitname(const char *target, pmpkg_t *pkg)
{
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