gio/win32/gwinhttpvfs.h

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2006-2007 Red Hat, Inc.
   4  * Copyright (C) 2008 Novell, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General
  17  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  * Author: Alexander Larsson <alexl@redhat.com>
  20  * Author: Tor Lillqvist <tml@novell.com>
  21  */
  22
  23 #ifndef __G_WINHTTP_VFS_H__
  24 #define __G_WINHTTP_VFS_H__
  25
  26 #include <gio/giotypes.h>
  27 #include <gio/gvfs.h>
  28
  29 #include <windows.h>
  30
  31 #include "winhttp.h"
  32
  33 G_BEGIN_DECLS
  34
  35 #define G_TYPE_WINHTTP_VFS                      (_g_winhttp_vfs_get_type ())
  36 #define G_WINHTTP_VFS(obj)                      (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_WINHTTP_VFS, GWinHttpVfs))
  37 #define G_WINHTTP_VFS_CLASS(klass)              (G_TYPE_CHECK_CLASS_CAST ((klass), G_TYPE_WINHTTP_VFS, GWinHttpVfsClass))
  38 #define G_IS_WINHTTP_VFS(obj)                   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_WINHTTP_VFS))
  39 #define G_IS_WINHTTP_VFS_CLASS(klass)           (G_TYPE_CHECK_CLASS_TYPE ((klass), G_TYPE_WINHTTP_VFS))
  40 #define G_WINHTTP_VFS_GET_CLASS(obj)            (G_TYPE_INSTANCE_GET_CLASS ((obj), G_TYPE_WINHTTP_VFS, GWinHttpVfsClass))
  41
  42 typedef struct _GWinHttpVfs       GWinHttpVfs;
  43 typedef struct _GWinHttpDllFuncs  GWinHttpDllFuncs;
  44 typedef struct _GWinHttpVfsClass  GWinHttpVfsClass;
  45
  46 struct _GWinHttpVfs
  47 {
  48   GVfs parent;
  49
  50   GVfs *wrapped_vfs;
  51   HINTERNET session;
  52 };
  53
  54 struct _GWinHttpDllFuncs
  55 {
  56   BOOL (WINAPI *pWinHttpCloseHandle) (HINTERNET);
  57   BOOL (WINAPI *pWinHttpCrackUrl) (LPCWSTR,DWORD,DWORD,LPURL_COMPONENTS);
  58   HINTERNET (WINAPI *pWinHttpConnect) (HINTERNET,LPCWSTR,INTERNET_PORT,DWORD);
  59   BOOL (WINAPI *pWinHttpCreateUrl) (LPURL_COMPONENTS,DWORD,LPWSTR,LPDWORD);
  60   HINTERNET (WINAPI *pWinHttpOpen) (LPCWSTR,DWORD,LPCWSTR,LPCWSTR,DWORD);
  61   HINTERNET (WINAPI *pWinHttpOpenRequest) (HINTERNET,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR*,DWORD);
  62   BOOL (WINAPI *pWinHttpQueryDataAvailable) (HINTERNET,LPDWORD);
  63   BOOL (WINAPI *pWinHttpQueryHeaders) (HINTERNET,DWORD,LPCWSTR,LPVOID,LPDWORD,LPDWORD);
  64   BOOL (WINAPI *pWinHttpReadData) (HINTERNET,LPVOID,DWORD,LPDWORD);
  65   BOOL (WINAPI *pWinHttpReceiveResponse) (HINTERNET,LPVOID);
  66   BOOL (WINAPI *pWinHttpSendRequest) (HINTERNET,LPCWSTR,DWORD,LPVOID,DWORD,DWORD,DWORD_PTR);
  67   BOOL (WINAPI *pWinHttpWriteData) (HINTERNET,LPCVOID,DWORD,LPDWORD);
  68 };
  69
  70 struct _GWinHttpVfsClass
  71 {
  72   GVfsClass parent_class;
  73
  74   /* As there is no import library for winhttp.dll in mingw, and
  75    * winhttp.dll isn't present on Windows 2000 anyway, we must look up
  76    * the functions we need dynamically. Store the pointers here.
  77    */
  78   GWinHttpDllFuncs *funcs;
  79 };
  80
  81
  82 GType   _g_winhttp_vfs_get_type  (void) G_GNUC_CONST;
  83
  84 GVfs *_g_winhttp_vfs_new (void);
  85
  86 char *_g_winhttp_error_message (DWORD error_code);
  87
  88 void _g_winhttp_set_error (GError     **error,
  89                            DWORD        error_code,
  90                            const char  *what);
  91
  92 gboolean _g_winhttp_response (GWinHttpVfs *vfs,
  93                               HINTERNET    request,
  94                               GError     **error,
  95                               const char  *what);
  96
  97 gboolean _g_winhttp_query_header (GWinHttpVfs *vfs,
  98                                   HINTERNET    request,
  99                                   const char  *request_description,
 100                                   DWORD        which_header,
 101                                   wchar_t    **header,
 102                                   GError     **error);
 103
 104 G_END_DECLS
 105
 106 #endif /* __G_WINHTTP_VFS_H__ */