static GError *
_resolve_meta1(struct hc_resolver_s *r, struct hc_url_s *u, gchar ***result)
{
struct hashstr_s *hk;
GError *err = NULL;
GRID_TRACE2("%s(%s)", __FUNCTION__, hc_url_get(u, HCURL_WHOLE));
hk = hashstr_printf("meta1|%s|%.4s",
hc_url_get(u, HCURL_NSPHYS),
hc_url_get(u, HCURL_HEXID));
/* Try to hit the cache */
if (!(*result = hc_resolver_get_cached(r, r->csm0.cache, hk))) {
/* get a meta0, then store it in the cache */
gchar **m0urlv = NULL;
err = _resolve_meta0(r, hc_url_get(u, HCURL_NSPHYS), &m0urlv);
if (err != NULL)
g_prefix_error(&err, "M0 resolution error: ");
else {
err = _resolve_m1_through_many_m0(m0urlv, hc_url_get_id(u), result);
if (!err)
hc_resolver_store(r, r->csm0.cache, hk, *result);
g_strfreev(m0urlv);
}
}
g_free(hk);
return err;
}
GError*
hc_resolve_reference_directory(struct hc_resolver_s *r, struct hc_url_s *url,
gchar ***result)
{
GRID_TRACE2("%s(%s)", __FUNCTION__, hc_url_get(url, HCURL_WHOLE));
EXTRA_ASSERT(r != NULL);
EXTRA_ASSERT(url != NULL);
EXTRA_ASSERT(result != NULL);
if (!hc_url_get_id(url) || !hc_url_has(url, HCURL_NS))
return NEWERROR(CODE_BAD_REQUEST, "Incomplete URL [%s]", hc_url_get(url, HCURL_WHOLE));
GError *err = NULL;
gchar **m1v = NULL, **m0v = NULL;
if (!(err = _resolve_meta0(r, hc_url_get(url, HCURL_NS), &m0v)))
err = _resolve_meta1(r, url, &m1v);
if (err) {
if (m0v) g_strfreev (m0v);
if (m1v) g_strfreev (m1v);
return err;
}
*result = g_malloc0(sizeof(gchar*) *
(g_strv_length(m0v) + g_strv_length(m1v) + 1));
gchar **d = *result;
for (gchar **p=m0v; *p ;++p) { *(d++) = *p; }
g_free (m0v); // pointers reused
for (gchar **p=m1v; *p ;++p) { *(d++) = *p; }
g_free (m1v); // pointers reused
return NULL;
}