src/Net/Session.hpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #ifndef NET_SESSION_HPP
  25 #define NET_SESSION_HPP
  26
  27 #include "Net/Features.hpp"
  28
  29 #ifdef HAVE_WININET
  30 #include "Net/WinINet/WinINet.hpp"
  31 #endif
  32
  33 #ifdef HAVE_CURL
  34 #include "Net/CURL/Multi.hpp"
  35 #endif
  36
  37 namespace Net {
  38   class Session {
  39 #ifdef HAVE_WININET
  40     /** Internal session handle */
  41     WinINet::SessionHandle handle;
  42 #endif
  43
  44 #ifdef HAVE_CURL
  45     CurlMulti multi;
  46 #endif
  47
  48   public:
  49 #ifdef HAVE_WININET
  50     friend class Connection;
  51     friend class Request;
  52 #endif
  53
  54 #ifndef HAVE_CURL
  55     /**
  56      * Opens a session that can be used for
  57      * connections and registers the necessary callback.
  58      */
  59     Session();
  60 #endif
  61
  62     /**
  63      * Was the session created successfully
  64      * @return True if session was created successfully
  65      */
  66 #ifdef HAVE_CURL
  67     bool Error() const {
  68       return !multi.IsDefined();
  69     }
  70
  71     bool Add(CURL *easy) {
  72       return multi.Add(easy);
  73     }
  74
  75     void Remove(CURL *easy) {
  76       return multi.Remove(easy);
  77     }
  78
  79     bool Select(int timeout_ms);
  80
  81     CURLMcode Perform() {
  82       return multi.Perform();
  83     }
  84
  85     CURLcode InfoRead(const CURL *easy) {
  86       return multi.InfoRead(easy);
  87     }
  88 #else
  89     bool Error() const;
  90 #endif
  91   };
  92 }
  93
  94 #endif