src/curl/fetch.c

   1 /* libquvi
   2  * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of libquvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU Affero General Public
   8  * License as published by the Free Software Foundation, either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General
  17  * Public License along with this library.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "config.h"
  22
  23 #include <glib/gi18n-lib.h>
  24 #include <glib.h>
  25 #include <curl/curl.h>
  26
  27 #include "quvi.h"
  28 /* -- */
  29 #include "_quvi_s.h"
  30 #include "_quvi_media_s.h"
  31 #include "_quvi_net_s.h"
  32 /* -- */
  33 #include "curl/autoproxy.h"
  34 #include "curl/temp.h"
  35 #include "net/def.h"
  36
  37 static void _set_opts(_quvi_net_t n, _c_temp_t t, CURL *c)
  38 {
  39   typedef curl_write_callback cwc;
  40
  41   curl_easy_setopt(c, CURLOPT_WRITEFUNCTION, (cwc) c_temp_wrcb);
  42   curl_easy_setopt(c, CURLOPT_URL, n->url.addr->str);
  43   curl_easy_setopt(c, CURLOPT_WRITEDATA, t);
  44   /* CURLOPT_ENCODING -> CURLOPT_ACCEPT_ENCODING 7.21.6+ */
  45   curl_easy_setopt(c, CURLOPT_ENCODING, "");
  46
  47   c_autoproxy(n->handle.quvi, n->url.addr->str);
  48 }
  49
  50 static const gchar *_EOK = N_("The server responded with the code %03ld");
  51
  52 static QuviError _fetch(_quvi_net_t n, CURL *c)
  53 {
  54   CURLcode curlcode;
  55   QuviError rc;
  56
  57   curlcode = curl_easy_perform(c);
  58   curl_easy_getinfo(c, CURLINFO_RESPONSE_CODE, &n->status.resp_code);
  59
  60   rc = QUVI_OK;
  61
  62   if (curlcode == CURLE_OK && n->status.resp_code == 200)
  63     ;
  64   else
  65     {
  66       if (curlcode == CURLE_OK)
  67         {
  68           g_string_printf(n->status.errmsg,
  69                           g_dgettext(GETTEXT_PACKAGE, _EOK),
  70                           n->status.resp_code);
  71         }
  72       else
  73         {
  74           const gchar *s = curl_easy_strerror(curlcode);
  75           const glong c = n->status.resp_code;
  76           const gint cc = curlcode;
  77 #define _ENO "%s (HTTP/%03ld, cURL=0x%03x)"
  78           g_string_printf(n->status.errmsg, _ENO, s, c, cc);
  79 #undef _ENO
  80         }
  81       rc = QUVI_ERROR_CALLBACK;
  82     }
  83   return (rc);
  84 }
  85
  86 QuviError c_fetch(_quvi_net_t n)
  87 {
  88   QuviError rc;
  89   _c_temp_t t;
  90   CURL *c;
  91
  92   c = n->handle.quvi->handle.curl;
  93   t = c_temp_new();
  94
  95   _set_opts(n, t, c);
  96   rc = _fetch(n, c);
  97
  98   if (rc == QUVI_OK)
  99     g_string_assign(n->fetch.content, t->p);
 100
 101   c_temp_free(t);
 102   t = NULL;
 103
 104   return (rc);
 105 }
 106
 107 /* vim: set ts=2 sw=2 tw=72 expandtab: */