static GError *
__get_container_service(struct sqlx_sqlite3_s *sq3,
struct oio_url_s *url, const char *srvtype,
struct meta1_backend_s *m1, enum m1v2_getsrv_e mode,
gchar ***result, gboolean *renewed)
{
GError *err = NULL;
struct compound_type_s ct;
if (NULL != (err = compound_type_parse(&ct, srvtype)))
return err;
err = __get_container_service2(sq3, url, &ct, m1, mode, result, renewed);
compound_type_clean(&ct);
return err;
}
static GError*
_get_iterator2(struct meta1_backend_s *m1, const char *srvtype,
struct grid_lb_iterator_s **result)
{
struct compound_type_s ct = {0};
*result = NULL;
GError *err = compound_type_parse(&ct, srvtype);
if (NULL != err) {
g_prefix_error(&err, "Type parsing error: ");
return err;
}
err = _get_iterator(m1, &ct, result);
if (err)
g_prefix_error(&err, "LB error: ");
compound_type_clean(&ct);
return err;
}
GError*
meta1_backend_services_relink(struct meta1_backend_s *m1,
struct oio_url_s *url, const char *kept, const char *replaced,
gboolean dryrun, gchar ***out)
{
GError *err = NULL;
struct meta1_service_url_s **ukept = NULL, **urepl = NULL;
/* fields to be prefetched */
struct grid_lb_iterator_s *iterator = NULL;
struct compound_type_s ct;
memset (&ct, 0, sizeof(ct));
ukept = __parse_and_expand (kept);
urepl = __parse_and_expand (replaced);
/* Sanity checks: we must receive at least one service */
if ((!ukept || !*ukept) && (!urepl || !*urepl)) {
err = NEWERROR (CODE_BAD_REQUEST, "Missing URL set");
goto out;
}
/* Sanity check : all the services must have the same <seq,type> */
struct meta1_service_url_s *ref = ukept && *ukept ? *ukept : *urepl;
for (struct meta1_service_url_s **p = ukept; p && *p ; ++p) {
if (0 != _sorter(p, &ref)) {
err = NEWERROR(CODE_BAD_REQUEST, "Mismatch in URL set (%s)", "kept");
goto out;
}
}
for (struct meta1_service_url_s **p = urepl; p && *p ; ++p) {
if (0 != _sorter(p, &ref)) {
err = NEWERROR(CODE_BAD_REQUEST, "Mismatch in URL set (%s)", "kept");
goto out;
}
}
/* prefetch some fields from the backend: the compound type (so it is
* parsed only once), the iterator (so we can already poll services, out
* of the sqlite3 transaction) */
if (NULL != (err = compound_type_parse(&ct, ref->srvtype))) {
err = NEWERROR(CODE_BAD_REQUEST, "Invalid service type");
goto out;
}
if (NULL != (err = _get_iterator (m1, &ct, &iterator))) {
err = NEWERROR(CODE_BAD_REQUEST, "Service type not managed");
goto out;
}
/* Call the backend logic now */
struct sqlx_sqlite3_s *sq3 = NULL;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERONLY, &sq3))) {
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, FALSE, NULL))) {
struct m1v2_relink_input_s in = {
.m1 = m1, .sq3 = sq3, .url = url,
.iterator = iterator, .ct = &ct,
.kept = ukept, .replaced = urepl,
.dryrun = dryrun
};
err = __relink_container_services(&in, out);
}
if (!(err = sqlx_transaction_end(repctx, err))) {
if (!dryrun)
__notify_services_by_cid(m1, sq3, url);
}
}
sqlx_repository_unlock_and_close_noerror(sq3);
}
out:
meta1_service_url_cleanv (ukept);
meta1_service_url_cleanv (urepl);
grid_lb_iterator_clean (iterator);
compound_type_clean (&ct);
return err;
}
