1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 * Copyright (C) 2008 Novell, Inc.
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.
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.
16 * You should have received a copy of the GNU Lesser General
17 * Public License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
19 * Boston, MA 02111-1307, USA.
21 * Author: Alexander Larsson <alexl@redhat.com>
22 * Author: Tor Lillqvist <tml@novell.com>
29 #include "gcancellable.h"
31 #include "gwinhttpfileinputstream.h"
34 struct _GWinHttpFileInputStream
36 GFileInputStream parent_instance
;
39 gboolean request_sent
;
44 struct _GWinHttpFileInputStreamClass
46 GFileInputStreamClass parent_class
;
49 #define g_winhttp_file_input_stream_get_type _g_winhttp_file_input_stream_get_type
50 G_DEFINE_TYPE (GWinHttpFileInputStream
, g_winhttp_file_input_stream
, G_TYPE_FILE_INPUT_STREAM
);
52 static gssize
g_winhttp_file_input_stream_read (GInputStream
*stream
,
55 GCancellable
*cancellable
,
58 static gboolean
g_winhttp_file_input_stream_close (GInputStream
*stream
,
59 GCancellable
*cancellable
,
63 g_winhttp_file_input_stream_finalize (GObject
*object
)
65 GWinHttpFileInputStream
*winhttp_stream
;
67 winhttp_stream
= G_WINHTTP_FILE_INPUT_STREAM (object
);
69 if (winhttp_stream
->request
!= NULL
)
70 G_WINHTTP_VFS_GET_CLASS (winhttp_stream
->file
->vfs
)->funcs
->pWinHttpCloseHandle (winhttp_stream
->request
);
71 if (winhttp_stream
->connection
!= NULL
)
72 G_WINHTTP_VFS_GET_CLASS (winhttp_stream
->file
->vfs
)->funcs
->pWinHttpCloseHandle (winhttp_stream
->connection
);
74 g_object_unref (winhttp_stream
->file
);
75 winhttp_stream
->file
= NULL
;
77 G_OBJECT_CLASS (g_winhttp_file_input_stream_parent_class
)->finalize (object
);
81 g_winhttp_file_input_stream_class_init (GWinHttpFileInputStreamClass
*klass
)
83 GObjectClass
*gobject_class
= G_OBJECT_CLASS (klass
);
84 GInputStreamClass
*stream_class
= G_INPUT_STREAM_CLASS (klass
);
86 gobject_class
->finalize
= g_winhttp_file_input_stream_finalize
;
88 stream_class
->read_fn
= g_winhttp_file_input_stream_read
;
89 stream_class
->close_fn
= g_winhttp_file_input_stream_close
;
93 g_winhttp_file_input_stream_init (GWinHttpFileInputStream
*info
)
98 * g_winhttp_file_input_stream_new:
99 * @file: the GWinHttpFile being read
100 * @connection: handle to the HTTP connection, as from WinHttpConnect()
101 * @request: handle to the HTTP request, as from WinHttpOpenRequest
103 * Returns: #GFileInputStream for the given request
106 _g_winhttp_file_input_stream_new (GWinHttpFile
*file
,
107 HINTERNET connection
,
110 GWinHttpFileInputStream
*stream
;
112 stream
= g_object_new (G_TYPE_WINHTTP_FILE_INPUT_STREAM
, NULL
);
114 stream
->file
= g_object_ref (file
);
115 stream
->request_sent
= FALSE
;
116 stream
->connection
= connection
;
117 stream
->request
= request
;
119 return G_FILE_INPUT_STREAM (stream
);
123 g_winhttp_file_input_stream_read (GInputStream
*stream
,
126 GCancellable
*cancellable
,
129 GWinHttpFileInputStream
*winhttp_stream
= G_WINHTTP_FILE_INPUT_STREAM (stream
);
132 if (!winhttp_stream
->request_sent
)
134 if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream
->file
->vfs
)->funcs
->pWinHttpSendRequest
135 (winhttp_stream
->request
,
141 _g_winhttp_set_error (error
, GetLastError (), "GET request");
146 if (!_g_winhttp_response (winhttp_stream
->file
->vfs
,
147 winhttp_stream
->request
,
152 winhttp_stream
->request_sent
= TRUE
;
155 if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream
->file
->vfs
)->funcs
->pWinHttpReadData
156 (winhttp_stream
->request
, buffer
, count
, &bytes_read
))
158 _g_winhttp_set_error (error
, GetLastError (), "GET request");
167 g_winhttp_file_input_stream_close (GInputStream
*stream
,
168 GCancellable
*cancellable
,
171 GWinHttpFileInputStream
*winhttp_stream
= G_WINHTTP_FILE_INPUT_STREAM (stream
);
173 if (winhttp_stream
->connection
!= NULL
)
174 G_WINHTTP_VFS_GET_CLASS (winhttp_stream
->file
->vfs
)->funcs
->pWinHttpCloseHandle (winhttp_stream
->connection
);
175 winhttp_stream
->connection
= NULL
;