static GError*
_poll_services(struct grid_lbpool_s *lbp, const gchar *srvtype,
struct lb_next_opt_ext_s *opt_ext,
GSList **result, gboolean use_beans)
{
struct grid_lb_iterator_s *iter = NULL;
struct service_info_s **psi, **siv = NULL;
if (!lbp || !srvtype)
return NEWERROR(CODE_INTERNAL_ERROR, "Invalid parameter");
if (!(iter = grid_lbpool_get_iterator(lbp, srvtype)))
return NEWERROR(CODE_POLICY_NOT_SATISFIABLE, "No RAWX available");
if (!grid_lb_iterator_next_set2(iter, &siv, opt_ext))
return NEWERROR(CODE_PLATFORM_ERROR, "Cannot get services"
" list for the specified storage policy");
if (use_beans) {
for(psi=siv; *psi; ++psi)
*result = g_slist_prepend(*result, _gen_chunk_bean(*psi));
}
else {
for(psi=siv; *psi; ++psi)
*result = g_slist_prepend(*result, _gen_chunk_info(*psi));
}
service_info_cleanv(siv, FALSE);
return NULL;
}
GError*
meta2_backend_poll_service(struct meta2_backend_s *m2,
const gchar *type, struct service_info_s **si)
{
struct grid_lb_iterator_s *iter;
EXTRA_ASSERT(m2 != NULL);
EXTRA_ASSERT(type != NULL);
EXTRA_ASSERT(si != NULL);
if (!(iter = grid_lbpool_get_iterator(m2->backend.lb, type)))
return NEWERROR(CODE_SRVTYPE_NOTMANAGED, "no such service");
struct lb_next_opt_ext_s opt_ext;
memset(&opt_ext, 0, sizeof(opt_ext));
opt_ext.req.distance = 0;
opt_ext.req.max = 1;
opt_ext.req.duplicates = TRUE;
opt_ext.req.stgclass = NULL;
opt_ext.req.strict_stgclass = TRUE;
struct service_info_s **siv = NULL;
if (!grid_lb_iterator_next_set2(iter, &siv, &opt_ext))
return NEWERROR(CODE_SRVTYPE_NOTMANAGED, "no service available");
*si = service_info_dup(siv[0]);
service_info_cleanv(siv, FALSE);
return NULL;
}
static GError*
_get_iterator(struct meta1_backend_s *m1, struct compound_type_s *ct,
struct grid_lb_iterator_s **result)
{
struct grid_lb_iterator_s *r =
grid_lbpool_get_iterator(m1->lb, ct->baretype);
if (!r) {
*result = NULL;
return NEWERROR(CODE_SRVTYPE_NOTMANAGED, "type [%s] not managed", ct->baretype);
}
*result = grid_lb_iterator_share(r);
return NULL;
}