static GString *
_curl_url_prefix (const char *ns, enum _prefix_e which)
{
if (!ns) {
GRID_WARN ("BUG No namespace configured!");
return NULL;
}
gchar *s = NULL;
if (which == PREFIX_CONSCIENCE)
s = oio_cfg_get_proxy_conscience (ns);
else if (which == PREFIX_CONTAINER)
s = oio_cfg_get_proxy_containers (ns);
else if (which == PREFIX_REFERENCE)
s = oio_cfg_get_proxy_directory (ns);
if (!s)
s = oio_cfg_get_proxy (ns);
if (!s) {
GRID_WARN ("No proxy configured!");
return NULL;
}
GString *hu = g_string_new("http://");
g_string_append (hu, s);
g_free (s);
return hu;
}
static const char *
_check_ns (const char *ns)
{
static char errbuf[1024];
const char *errmsg = NULL;
struct curl_slist *headers = NULL;
gchar *proxy = NULL, *url = NULL;
CURL *h = NULL;
int rc;
if (!(proxy = oio_cfg_get_proxy_conscience (ns))) {
errmsg = "no proxy configured";
goto out;
}
if (!(url = g_strdup_printf ("http://%s/"PROXYD_PREFIX2"/cs/%s", proxy, ns))) {
errmsg = "memory allocation failure";
goto out;
}
/* XXX JFS: the proxy has a simplistic HTTP management and doesn't honor Expect */
headers = curl_slist_append (headers, "Expect: ");
headers = curl_slist_append (headers, "Connection: close");
if (!(h = curl_easy_init ())) {
errmsg = "CURL init failure";
goto out;
}
curl_easy_setopt (h, CURLOPT_USERAGENT, "OpenIO-SDS/SDK-2.0/test");
curl_easy_setopt (h, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt (h, CURLOPT_CUSTOMREQUEST, "HEAD");
curl_easy_setopt (h, CURLOPT_URL, url);
curl_easy_setopt (h, CURLOPT_HTTPHEADER, headers);
if (CURLE_OK != (rc = curl_easy_perform (h))) {
errmsg = curl_easy_strerror (rc);
goto out;
}
long code = 0;
if (CURLE_OK != (rc = curl_easy_getinfo (h, CURLINFO_RESPONSE_CODE, &code))) {
errmsg = curl_easy_strerror (rc);
goto out;
}
if ((code/100) != 2) {
g_snprintf (errbuf, sizeof(errbuf), "HTTP status %ld", code);
errmsg = errbuf;
goto out;
}
out:
if (h) curl_easy_cleanup (h);
if (headers) curl_slist_free_all (headers);
if (proxy) g_free (proxy);
if (url) g_free (url);
return errmsg;
}
