/*
* If mask is nonzero, will not write any file whose filenamenode
* has any flag bits set in mask.
*/
void
write_filelist_except(struct pkginfo *pkg, struct pkgbin *pkgbin,
struct fileinlist *list, enum fnnflags mask)
{
struct atomic_file *file;
const char *listfile;
listfile = pkg_infodb_get_file(pkg, pkgbin, LISTFILE);
file = atomic_file_new(listfile, 0);
atomic_file_open(file);
while (list) {
if (!(mask && (list->namenode->flags & mask))) {
fputs(list->namenode->name, file->fp);
putc('\n', file->fp);
}
list= list->next;
}
atomic_file_sync(file);
atomic_file_close(file);
atomic_file_commit(file);
atomic_file_free(file);
dir_sync_path(pkg_infodb_get_dir());
note_must_reread_files_inpackage(pkg);
}
const char *
pkg_infodb_reset_dir(void)
{
free(db_infodir);
db_infodir = NULL;
return pkg_infodb_get_dir();
}
static void
pkg_files_optimize_load(struct pkg_array *array)
{
struct statfs fs;
int i;
/* Get the filesystem block size. */
if (statfs(pkg_infodb_get_dir(), &fs) < 0)
return;
/* Sort packages by the physical location of their list files, so that
* scanning them later will minimize disk drive head movements. */
for (i = 0; i < array->n_pkgs; i++) {
struct pkginfo *pkg = array->pkgs[i];
struct {
struct fiemap fiemap;
struct fiemap_extent extent;
} fm;
const char *listfile;
int fd;
ensure_package_clientdata(pkg);
if (pkg->status == stat_notinstalled ||
pkg->clientdata->listfile_phys_offs != 0)
continue;
pkg->clientdata->listfile_phys_offs = -1;
listfile = pkg_infodb_get_file(pkg, &pkg->installed, LISTFILE);
fd = open(listfile, O_RDONLY);
if (fd < 0)
continue;
memset(&fm, 0, sizeof(fm));
fm.fiemap.fm_start = 0;
fm.fiemap.fm_length = fs.f_bsize;
fm.fiemap.fm_flags = 0;
fm.fiemap.fm_extent_count = 1;
if (ioctl(fd, FS_IOC_FIEMAP, (unsigned long)&fm) == 0)
pkg->clientdata->listfile_phys_offs = fm.fiemap.fm_extents[0].fe_physical;
close(fd);
}
pkg_array_sort(array, pkg_sorter_by_listfile_phys_offs);
}
const char *
pkg_infodb_get_file(const struct pkginfo *pkg, const struct pkgbin *pkgbin,
const char *filetype)
{
static struct varbuf vb;
enum pkg_infodb_format format;
/* Make sure to always read and verify the format version. */
format = pkg_infodb_get_format();
varbuf_reset(&vb);
varbuf_add_str(&vb, pkg_infodb_get_dir());
varbuf_add_char(&vb, '/');
varbuf_add_str(&vb, pkg->set->name);
if (pkgbin->multiarch == PKG_MULTIARCH_SAME &&
format == PKG_INFODB_FORMAT_MULTIARCH)
varbuf_add_archqual(&vb, pkgbin->arch);
varbuf_add_char(&vb, '.');
varbuf_add_str(&vb, filetype);
varbuf_end_str(&vb);
return vb.buf;
}
