src/Net/ToFile.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_TO_FILE_HPP
  25 #define NET_TO_FILE_HPP
  26
  27 #include "Job/Job.hpp"
  28
  29 #include <tchar.h>
  30
  31 class OperationEnvironment;
  32
  33 namespace Net {
  34   class Session;
  35
  36   /**
  37    * Download a URL into the specified file.
  38    *
  39    * @param md5_digest an optional buffer with at least 33 characters
  40    * which will contain the hex MD5 digest after returning
  41    * @return true on success, false on error
  42    */
  43   bool DownloadToFile(Session &session, const char *url, const TCHAR *path,
  44                       char *md5_digest,
  45                       OperationEnvironment &env);
  46
  47   class DownloadToFileJob : public Job {
  48     Session &session;
  49     const char *url;
  50     const TCHAR *path;
  51     char md5_digest[33];
  52     bool success;
  53
  54   public:
  55     DownloadToFileJob(Session &_session, const char *_url, const TCHAR *_path)
  56       :session(_session), url(_url), path(_path), success(false) {}
  57
  58     bool WasSuccessful() const {
  59       return success;
  60     }
  61
  62     const char *GetMD5Digest() const {
  63       return md5_digest;
  64     }
  65
  66     virtual void Run(OperationEnvironment &env);
  67   };
  68 }
  69
  70 #endif