src/HTTPDownload.h

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2008 aMule Team ( admin@amule.org / http://www.amule.org )
   5 // Copyright (c) 2002-2008 Timo Kujala ( tiku@users.sourceforge.net )
   6 // Copyright (c) 2002-2008 Patrizio Bassi ( hetfield@amule.org )
   7 //
   8 // Any parts of this program derived from the xMule, lMule or eMule project,
   9 // or contributed by third-party developers are copyrighted by their
  10 // respective authors.
  11 //
  12 // This program is free software; you can redistribute it and/or modify
  13 // it under the terms of the GNU General Public License as published by
  14 // the Free Software Foundation; either version 2 of the License, or
  15 // (at your option) any later version.
  16 //
  17 // This program is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU General Public License for more details.
  21 //
  22 // You should have received a copy of the GNU General Public License
  23 // along with this program; if not, write to the Free Software
  24 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  25 //
  26
  27 #ifndef HTTPDOWNLOAD_H
  28 #define HTTPDOWNLOAD_H
  29
  30 #include "GuiEvents.h"          // Needed for HTTP_Download_File
  31 #include "MuleThread.h"         // Needed for CMuleThread
  32 #include <wx/datetime.h>        // Needed for wxDateTime
  33 #include <set>
  34
  35 class wxEvtHandler;
  36 class wxHTTP;
  37 class wxInputStream;
  38
  39 enum HTTPDownloadResult {
  40         HTTP_Success = 0,
  41         HTTP_Error,
  42         HTTP_Skipped
  43 };
  44
  45 class CHTTPDownloadThread : public CMuleThread
  46 {
  47 public:
  48         /** Note: wxChar* is used to circumvent the thread-unsafe wxString reference counting. */
  49         CHTTPDownloadThread(const wxString& url, const wxString& filename, const wxString& oldfilename, HTTP_Download_File file_id,
  50                                                 bool showDialog, bool checkDownloadNewer);
  51
  52         static void StopAll();
  53 private:
  54         ExitCode                Entry();
  55         virtual void            OnExit();
  56
  57         wxString                m_url;
  58         wxString                m_tempfile;
  59         wxDateTime              m_lastmodified; //! Date on which the file being updated was last modified.
  60         int                     m_result;
  61         int                     m_response;     //! HTTP response code (e.g. 200)
  62         int                     m_error;        //! Additional error code (@see wxProtocol class)
  63         HTTP_Download_File      m_file_id;
  64         wxEvtHandler*           m_companion;
  65         typedef std::set<CHTTPDownloadThread *> ThreadSet;
  66         static ThreadSet        s_allThreads;
  67         static wxMutex          s_allThreadsMutex;
  68
  69         wxInputStream* GetInputStream(wxHTTP * & url_handler, const wxString& location, bool proxy);
  70         static wxString FormatDateHTTP(const wxDateTime& date);
  71 };
  72
  73 #endif // HTTPDOWNLOAD_H
  74 // File_checked_for_headers