/* libquvi

 * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>

 *

 * This file is part of libquvi <http://quvi.sourceforge.net/>.

 *

 * This library is free software: you can redistribute it and/or

 * modify it under the terms of the GNU Affero General Public

 * License as published by the Free Software Foundation, either

 * version 3 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Affero General Public License for more details.

 *

 * You should have received a copy of the GNU Affero General

 * Public License along with this library.  If not, see

 * <http://www.gnu.org/licenses/>.

 */

#include "config.h"

#include <glib/gi18n-lib.h>

#include <glib.h>

#include <curl/curl.h>

#include "quvi.h"

/* -- */

#include "_quvi_s.h"

#include "_quvi_media_s.h"

#include "_quvi_net_s.h"

/* -- */

#include "curl/autoproxy.h"

#include "curl/temp.h"

static void _set_opts(_quvi_net_t n, _c_temp_t t, CURL *c)

{

  typedef curl_write_callback cwc;

  curl_easy_setopt(c, CURLOPT_WRITEFUNCTION, (cwc) c_temp_wrcb);

  curl_easy_setopt(c, CURLOPT_URL, n->url.addr->str);

  curl_easy_setopt(c, CURLOPT_WRITEDATA, t);

  curl_easy_setopt(c, CURLOPT_NOBODY, 1L); /* GET -> HEAD */

  c_autoproxy(n->handle.quvi, n->url.addr->str);

}

static const gchar *_EOK = N_("The server responded with the code %03ld");

static QuviError _http_metainfo(_quvi_net_t n, CURL *c)

{

  CURLcode curlcode;

  QuviError rc;

  curlcode = curl_easy_perform(c);

  curl_easy_setopt(c, CURLOPT_HTTPGET, 1L); /* HEAD -> GET */

  curl_easy_getinfo(c, CURLINFO_RESPONSE_CODE, &n->status.resp_code);

  rc = QUVI_OK;

  if (curlcode == CURLE_OK)

    {

      if (n->status.resp_code == 200 || n->status.resp_code == 206)

        {

          gdouble *l = &n->http_metainfo.content_length;

          gchar *s = NULL;

          curl_easy_getinfo(c, CURLINFO_CONTENT_TYPE, &s);

          curl_easy_getinfo(c, CURLINFO_CONTENT_LENGTH_DOWNLOAD, l);

          g_string_assign(n->http_metainfo.content_type, s);

        }

      else

        {

          g_string_printf(n->status.errmsg,

                          g_dgettext(GETTEXT_PACKAGE, _EOK),

                          n->status.resp_code);

          rc = QUVI_ERROR_CALLBACK;

        }

    }

  else

    {

      const gchar *s = curl_easy_strerror(curlcode);

      const gint r = n->status.resp_code;

      const gint c = curlcode;

#define _ENO "%s (HTTP/%03d, cURL=0x%03x)"

      g_string_printf(n->status.errmsg, _ENO, s, r, c);

#undef _ENO

      rc = QUVI_ERROR_CALLBACK;

    }

  return (rc);

}

QuviError c_http_metainfo(_quvi_t q, _quvi_net_t n)

{

  QuviError rc;

  _c_temp_t t;

  CURL *c;

  c = q->handle.curl;

  t = c_temp_new();

  _set_opts(n, t, c);

  rc = _http_metainfo(n, c);

  c_temp_free(t);

  t = NULL;

  return (rc);

}

/* vim: set ts=2 sw=2 tw=72 expandtab: */