download.cc

   1 /*
   2  * Copyright (c) 2000, Red Hat, Inc.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by DJ Delorie <dj@cygnus.com>
  13  *
  14  */
  15
  16 /* The purpose of this file is to download all the files we need to
  17    do the installation. */
  18
  19 static char *cvsid = "\n%%% $Id$\n";
  20
  21 #include "win32.h"
  22
  23 #include <stdio.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26
  27 #include "resource.h"
  28 #include "msg.h"
  29 #include "ini.h"
  30 #include "dialog.h"
  31 #include "concat.h"
  32 #include "geturl.h"
  33 #include "state.h"
  34 #include "mkdir.h"
  35 #include "log.h"
  36
  37 #define pi (package[i].info[package[i].trust])
  38
  39 static DWORD
  40 get_file_size (char *name)
  41 {
  42   HANDLE h;
  43   WIN32_FIND_DATA buf;
  44   DWORD ret = 0;
  45
  46   h = FindFirstFileA (name, &buf);
  47   if (h)
  48     {
  49       if (buf.nFileSizeHigh == 0)
  50         ret = buf.nFileSizeLow;
  51       FindClose (h);
  52     }
  53   return ret;
  54 }
  55
  56 static int
  57 download_one (char *name, int expected_size)
  58 {
  59   char *local = name;
  60   int errors = 0;
  61
  62   DWORD size;
  63   if ((size = get_file_size (local)) > 0)
  64     if (size == expected_size)
  65       return 0;
  66
  67   mkdir_p (0, local);
  68
  69   if (get_url_to_file (concat (MIRROR_SITE, "/", name, 0),
  70                        concat (local, ".tmp", 0),
  71                        expected_size))
  72     {
  73       note (IDS_DOWNLOAD_FAILED, name);
  74       return 1;
  75     }
  76   else
  77     {
  78       size = get_file_size (concat (local, ".tmp", 0));
  79       if (size == expected_size)
  80         {
  81           log (0, "Downloaded %s", local);
  82           rename (concat (local, ".tmp", 0), local);
  83         }
  84       else
  85         {
  86           log (0, "Download %s wrong size (%d actual vs %d expected)",
  87                local, size, expected_size);
  88           note (IDS_DOWNLOAD_SHORT, local, size, expected_size);
  89           return 1;
  90         }
  91     }
  92
  93   return 0;
  94 }
  95
  96 void
  97 do_download (HINSTANCE h)
  98 {
  99   int i;
 100   int errors = 0;
 101
 102   for (i=0; i<npackages; i++)
 103     if (package[i].action == ACTION_NEW || package[i].action == ACTION_UPGRADE)
 104       {
 105         int e = download_one (pi.install, pi.install_size);
 106         if (package[i].srcaction == SRCACTION_YES && pi.source)
 107           e += download_one (pi.source, pi.source_size);
 108         errors += e;
 109         if (e)
 110           package[i].action = ACTION_ERROR;
 111       }
 112
 113   dismiss_url_status_dialog ();
 114
 115   if (errors)
 116     {
 117       if (yesno (IDS_DOWNLOAD_INCOMPLETE) == IDYES)
 118         {
 119           next_dialog = IDD_SITE;
 120           return;
 121         }
 122     }
 123
 124   if (source == IDC_SOURCE_DOWNLOAD)
 125     {
 126       if (errors)
 127         exit_msg = IDS_DOWNLOAD_INCOMPLETE;
 128       else
 129         exit_msg = IDS_DOWNLOAD_COMPLETE;
 130       next_dialog = 0;
 131     }
 132   else
 133     next_dialog = IDD_S_INSTALL;
 134 }