static inline void undo_rm_helper( entry_id_t * id, const char *last_known_path,
#ifdef _HSM_LITE
const char *bkpath
#endif
)
{
entry_id_t new_id;
recov_status_t st;
attr_set_t attrs, new_attrs;
int rc;
/* XXX src path must be in the same filesystem as backend
* because it we be renamed */
if ( EMPTY_STRING( last_known_path ) )
{
fprintf(stderr, "Last filesystem path is not known for fid "DFID", backend_path=%s.\n",
PFID(id), bkpath);
fprintf(stderr, " ----> skipped\n");
return;
}
printf("Restoring '%s'...\n", last_known_path );
ATTR_MASK_INIT(&attrs);
ATTR_MASK_SET(&attrs, fullpath);
strcpy( ATTR(&attrs, fullpath), last_known_path );
if ( !EMPTY_STRING( bkpath ) )
{
ATTR_MASK_SET(&attrs, backendpath);
strcpy( ATTR(&attrs, backendpath), bkpath );
}
/* copy file to Lustre */
ATTR_MASK_INIT(&new_attrs);
st = rbhext_recover( id, &attrs, &new_id, &new_attrs, NULL );
if ((st == RS_FILE_OK) || (st == RS_FILE_DELTA)|| (st == RS_FILE_EMPTY)
|| (st == RS_NON_FILE))
{
printf("Success\n");
/* discard entry from remove list */
if ( ListMgr_SoftRemove_Discard(&lmgr, id) != 0 )
fprintf(stderr, "Error: could not remove previous id "DFID" from database\n", PFID(id) );
/* clean read-only attrs */
new_attrs.attr_mask &= ~readonly_attr_set;
/* insert or update it in the db */
rc = ListMgr_Insert( &lmgr, &new_id, &new_attrs, TRUE );
if ( rc == 0 )
printf("Entry successfully updated in the dabatase\n");
else
fprintf(stderr, "ERROR %d inserting entry in the database\n", rc );
}
else
{
printf("ERROR\n");
}
}
static int recov_resume(int retry_errors)
{
struct lmgr_iterator_t *it;
int rc, st;
entry_id_t id, new_id;
attr_set_t attrs, new_attrs;
char buff[128];
/* TODO iter opt */
it = ListMgr_RecovResume(&lmgr, path_filter, retry_errors, NULL);
if (it == NULL) {
fprintf(stderr,
"ERROR: cannot get the list of entries to be recovered\n");
return -1;
}
attrs.attr_mask = RECOV_ATTR_MASK;
while (!terminate &&
((rc =
ListMgr_RecovGetNext(it, &id, &attrs, NULL)) != DB_END_OF_LIST)) {
if (rc) {
fprintf(stderr, "ERROR %d getting entry from recovery table\n", rc);
ListMgr_CloseIterator(it);
return rc;
}
FormatFileSize(buff, 128, ATTR(&attrs, size));
if (ATTR_MASK_TEST(&attrs, fullpath))
printf("Restoring %s (%s)...", ATTR(&attrs, fullpath), buff);
else
printf("Restoring " DFID " (%s)...", PFID(&id), buff);
/* TODO process entries asynchronously, in parallel, in separate
* threads */
st = rbhext_recover(&id, &attrs, &new_id, &new_attrs, NULL);
if ((st == RS_FILE_OK) || (st == RS_FILE_EMPTY) || (st == RS_NON_FILE)
|| (st == RS_FILE_DELTA)) {
/* don't insert readonly attrs */
new_attrs.attr_mask &= ~readonly_attr_set;
/* insert the entry in the database, and update recovery status */
rc = ListMgr_Insert(&lmgr, &new_id, &new_attrs, true);
if (rc) {
fprintf(stderr, "DB insert failure for '%s'\n",
ATTR(&new_attrs, fullpath));
st = RS_ERROR;
}
}
/* old id must be used for impacting recovery table */
if (ListMgr_RecovSetState(&lmgr, &id, st))
st = RS_ERROR;
switch (st) {
case RS_FILE_OK:
printf(" OK\n");
break;
case RS_FILE_DELTA:
printf(" OK (old version)\n");
break;
case RS_NON_FILE:
printf(" OK (non-file)\n");
break;
case RS_FILE_EMPTY:
printf(" OK (empty file)\n");
break;
case RS_NOBACKUP:
printf(" No backup available\n");
break;
case RS_ERROR:
printf(" FAILED\n");
break;
default:
printf(" ERROR st=%d, rc=%d\n", st, rc);
break;
}
/* reset mask */
attrs.attr_mask = RECOV_ATTR_MASK;
}
return 0;
}