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1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /*
3  * soup-websocket-extension.h
4  *
5  * Copyright (C) 2019 Igalia S.L.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public License
18  * along with this library; see the file COPYING.LIB.  If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef __SOUP_WEBSOCKET_EXTENSION_H__
24 #define __SOUP_WEBSOCKET_EXTENSION_H__ 1
25 
26 #include <libsoup/soup-types.h>
27 #include <libsoup/soup-websocket.h>
28 
29 G_BEGIN_DECLS
30 
31 #define SOUP_TYPE_WEBSOCKET_EXTENSION            (soup_websocket_extension_get_type ())
32 #define SOUP_WEBSOCKET_EXTENSION(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION, SoupWebsocketExtension))
33 #define SOUP_IS_WEBSOCKET_EXTENSION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION))
34 #define SOUP_WEBSOCKET_EXTENSION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), SOUP_TYPE_WEBSOCKET_EXTENSION, SoupWebsocketExtensionClass))
35 #define SOUP_IS_WEBSOCKET_EXTENSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION))
36 #define SOUP_WEBSOCKET_EXTENSION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION, SoupWebsocketExtensionClass))
37 
38 struct _SoupWebsocketExtension {
39 	GObject parent;
40 };
41 
42 typedef struct {
43 	GObjectClass parent_class;
44 
45 	const char  *name;
46 
47 	gboolean (* configure)                (SoupWebsocketExtension     *extension,
48 					       SoupWebsocketConnectionType connection_type,
49 					       GHashTable                 *params,
50 					       GError                    **error);
51 
52 	char    *(* get_request_params)       (SoupWebsocketExtension     *extension);
53 
54 	char    *(* get_response_params)      (SoupWebsocketExtension     *extension);
55 
56 	GBytes  *(* process_outgoing_message) (SoupWebsocketExtension     *extension,
57 					       guint8                     *header,
58 					       GBytes                     *payload,
59 					       GError                    **error);
60 
61 	GBytes  *(* process_incoming_message) (SoupWebsocketExtension     *extension,
62 					       guint8                     *header,
63 					       GBytes                     *payload,
64                                                GError                    **error);
65 
66 	/* Padding for future expansion */
67 	void (*_libsoup_reserved1) (void);
68 	void (*_libsoup_reserved2) (void);
69 	void (*_libsoup_reserved3) (void);
70 	void (*_libsoup_reserved4) (void);
71 } SoupWebsocketExtensionClass;
72 
73 SOUP_AVAILABLE_IN_2_68
74 GType                    soup_websocket_extension_get_type                 (void);
75 
76 SOUP_AVAILABLE_IN_2_68
77 gboolean                 soup_websocket_extension_configure                (SoupWebsocketExtension     *extension,
78 									    SoupWebsocketConnectionType connection_type,
79 									    GHashTable                 *params,
80 									    GError                    **error);
81 SOUP_AVAILABLE_IN_2_68
82 char                    *soup_websocket_extension_get_request_params       (SoupWebsocketExtension     *extension);
83 
84 SOUP_AVAILABLE_IN_2_68
85 char                    *soup_websocket_extension_get_response_params      (SoupWebsocketExtension     *extension);
86 
87 SOUP_AVAILABLE_IN_2_68
88 GBytes                  *soup_websocket_extension_process_outgoing_message (SoupWebsocketExtension     *extension,
89 									    guint8                     *header,
90 									    GBytes                     *payload,
91 									    GError                    **error);
92 SOUP_AVAILABLE_IN_2_68
93 GBytes                  *soup_websocket_extension_process_incoming_message (SoupWebsocketExtension     *extension,
94 									    guint8                     *header,
95 									    GBytes                     *payload,
96 									    GError                    **error);
97 
98 G_END_DECLS
99 
100 #endif /* __SOUP_WEBSOCKET_EXTENSION_H__ */
101