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db, hash: fix package purging/upgrading to update filedb properly

cute-signatures
Timo Teras 2009-01-16 09:32:04 +02:00
parent fed45e4b7f
commit cf3dfb7611
2 changed files with 81 additions and 45 deletions
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98
src/database.c
View File

@ -227,13 +227,14 @@ static struct apk_db_dir *apk_db_dir_get(struct apk_database *db,
static struct apk_db_dir_instance *apk_db_diri_new(struct apk_database *db,
struct apk_package *pkg,
apk_blob_t name,
struct hlist_node **after)
struct hlist_node ***after)
{
struct apk_db_dir_instance *diri;
diri = calloc(1, sizeof(struct apk_db_dir_instance));
if (diri != NULL) {
hlist_add_after(&diri->pkg_dirs_list, after);
hlist_add_after(&diri->pkg_dirs_list, *after);
*after = &diri->pkg_dirs_list.next;
diri->dir = apk_db_dir_get(db, name);
diri->pkg = pkg;
}
@ -288,7 +289,8 @@ struct apk_db_file *apk_db_file_query(struct apk_database *db,
static struct apk_db_file *apk_db_file_get(struct apk_database *db,
struct apk_db_dir_instance *diri,
apk_blob_t name)
apk_blob_t name,
struct hlist_node ***after)
{
struct apk_db_file *file;
struct apk_db_file_hash_key key;
@ -306,25 +308,26 @@ static struct apk_db_file *apk_db_file_get(struct apk_database *db,
file = calloc(1, sizeof(*file) + name.len + 1);
memcpy(file->filename, name.ptr, name.len);
file->filename[name.len] = 0;
file->diri = diri;
hlist_add_after(&file->diri_files_list, *after);
*after = &file->diri_files_list.next;
apk_hash_insert(&db->installed.files, file);
file->diri = NULL;
db->installed.stats.files++;
return file;
}
static void apk_db_file_set_owner(struct apk_database *db,
struct apk_db_file *file,
struct apk_db_dir_instance *diri,
struct hlist_node **after)
static void apk_db_file_change_owner(struct apk_database *db,
struct apk_db_file *file,
struct apk_db_dir_instance *diri,
struct hlist_node ***after)
{
if (file->diri != NULL) {
hlist_del(&file->diri_files_list, &file->diri->owned_files);
} else {
db->installed.stats.files++;
}
hlist_del(&file->diri_files_list, &file->diri->owned_files);
file->diri = diri;
hlist_add_after(&file->diri_files_list, after);
hlist_add_after(&file->diri_files_list, *after);
*after = &file->diri_files_list.next;
}
static struct apk_package *apk_db_pkg_add(struct apk_database *db, struct apk_package *pkg)
@ -390,7 +393,7 @@ static int apk_db_index_read(struct apk_database *db, struct apk_istream *is, in
if (pkg == NULL) {
pkg = apk_pkg_new();
diri = NULL;
diri_node = &pkg->owned_dirs.first;
diri_node = hlist_tail_ptr(&pkg->owned_dirs);
file_diri_node = NULL;
}
@ -410,8 +413,7 @@ static int apk_db_index_read(struct apk_database *db, struct apk_istream *is, in
apk_error("FDB directory entry before package entry");
return -1;
}
diri = apk_db_diri_new(db, pkg, l, diri_node);
diri_node = &diri->pkg_dirs_list.next;
diri = apk_db_diri_new(db, pkg, l, &diri_node);
file_diri_node = &diri->owned_files.first;
break;
case 'M':
@ -431,9 +433,8 @@ static int apk_db_index_read(struct apk_database *db, struct apk_istream *is, in
apk_error("FDB file entry before directory entry");
return -1;
}
file = apk_db_file_get(db, diri, l);
apk_db_file_set_owner(db, file, diri, file_diri_node);
file_diri_node = &file->diri_files_list.next;
file = apk_db_file_get(db, diri, l,
&file_diri_node);
break;
case 'Z':
if (file == NULL) {
@ -958,17 +959,17 @@ static int apk_db_install_archive_entry(void *_ctx,
return -1;
}
ctx->diri = diri;
ctx->file_diri_node = NULL;
ctx->file_diri_node = hlist_tail_ptr(&diri->owned_files);
}
file = apk_db_file_get(db, diri, bfile);
file = apk_db_file_get(db, diri, bfile, &ctx->file_diri_node);
if (file == NULL) {
apk_error("%s: Failed to create fdb entry for '%*s'\n",
pkg->name->name, name.len, name.ptr);
return -1;
}
if (file->diri != NULL) {
if (file->diri != diri) {
opkg = file->diri->pkg;
if (opkg->name != pkg->name &&
strcmp(opkg->name->name, "busybox") != 0) {
@ -976,12 +977,10 @@ static int apk_db_install_archive_entry(void *_ctx,
pkg->name->name, ae->name, opkg->name->name);
return -1;
}
}
if (ctx->file_diri_node == NULL)
ctx->file_diri_node = hlist_tail_ptr(&diri->owned_files);
apk_db_file_set_owner(db, file, diri, ctx->file_diri_node);
ctx->file_diri_node = &file->diri_files_list.next;
apk_db_file_change_owner(db, file, diri,
&ctx->file_diri_node);
}
if ((diri->dir->flags & APK_DBDIRF_PROTECTED) &&
csum_valid(file->csum) &&
@ -1006,9 +1005,8 @@ static int apk_db_install_archive_entry(void *_ctx,
if (ctx->diri_node == NULL)
ctx->diri_node = hlist_tail_ptr(&pkg->owned_dirs);
ctx->diri = diri = apk_db_diri_new(db, pkg, name,
ctx->diri_node);
ctx->diri_node = &diri->pkg_dirs_list.next;
ctx->file_diri_node = NULL;
&ctx->diri_node);
ctx->file_diri_node = hlist_tail_ptr(&diri->owned_files);
apk_db_diri_set(diri, ae->mode & 0777, ae->uid, ae->gid);
apk_db_diri_mkdir(diri);
@ -1023,15 +1021,24 @@ static void apk_db_purge_pkg(struct apk_database *db,
{
struct apk_db_dir_instance *diri;
struct apk_db_file *file;
struct apk_db_file_hash_key key;
struct hlist_node *dc, *dn, *fc, *fn;
char name[1024];
hlist_for_each_entry_safe(diri, dc, dn, &pkg->owned_dirs, pkg_dirs_list) {
hlist_for_each_entry_safe(file, fc, fn, &diri->owned_files, diri_files_list) {
file->diri = NULL;
snprintf(name, sizeof(name), "%s/%s",
diri->dir->dirname,
file->filename);
file->diri = NULL;
key = (struct apk_db_file_hash_key) {
.dirname = APK_BLOB_STR(diri->dir->dirname),
.filename = APK_BLOB_STR(file->filename),
};
apk_hash_delete(&db->installed.files,
APK_BLOB_BUF(&key));
unlink(name);
__hlist_del(fc, &diri->owned_files.first);
@ -1058,20 +1065,18 @@ int apk_db_install_pkg(struct apk_database *db,
if (fchdir(db->root_fd) < 0)
return errno;
/* Purge the old package if there */
if (oldpkg != NULL) {
if (newpkg == NULL) {
r = apk_pkg_run_script(oldpkg, db->root_fd,
APK_SCRIPT_PRE_DEINSTALL);
if (r != 0)
return r;
}
/* Just purging? */
if (oldpkg != NULL && newpkg == NULL) {
r = apk_pkg_run_script(oldpkg, db->root_fd,
APK_SCRIPT_PRE_DEINSTALL);
if (r != 0)
return r;
apk_db_purge_pkg(db, oldpkg);
if (newpkg == NULL) {
apk_pkg_run_script(oldpkg, db->root_fd,
APK_SCRIPT_POST_DEINSTALL);
return 0;
}
r = apk_pkg_run_script(oldpkg, db->root_fd,
APK_SCRIPT_POST_DEINSTALL);
return r;
}
/* Install the new stuff */
@ -1107,6 +1112,9 @@ int apk_db_install_pkg(struct apk_database *db,
apk_warning("%s-%s: checksum does not match",
newpkg->name->name, newpkg->version);
if (oldpkg != NULL)
apk_db_purge_pkg(db, oldpkg);
r = apk_pkg_run_script(newpkg, db->root_fd,
(oldpkg == NULL) ?
APK_SCRIPT_POST_INSTALL : APK_SCRIPT_POST_UPGRADE);

28
src/hash.c
View File

@ -87,5 +87,33 @@ void apk_hash_insert(struct apk_hash *h, apk_hash_item item)
void apk_hash_delete(struct apk_hash *h, apk_blob_t key)
{
ptrdiff_t offset = h->ops->node_offset;
unsigned long hash;
apk_hash_node *pos;
apk_hash_item item;
apk_blob_t itemkey;
hash = h->ops->hash_key(key) % h->buckets->num;
if (h->ops->compare_item != NULL) {
hlist_for_each(pos, &h->buckets->item[hash]) {
item = ((void *) pos) - offset;
if (h->ops->compare_item(item, key) == 0) {
hlist_del(pos, &h->buckets->item[hash]);
h->ops->delete_item(item);
return;
}
}
} else {
hlist_for_each(pos, &h->buckets->item[hash]) {
item = ((void *) pos) - offset;
itemkey = h->ops->get_key(item);
if (h->ops->compare(key, itemkey) == 0) {
hlist_del(pos, &h->buckets->item[hash]);
h->ops->delete_item(item);
return;
}
}
}
}