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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * soup-websocket-extension.h
 *
 * Copyright (C) 2019 Igalia S.L.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __SOUP_WEBSOCKET_EXTENSION_H__
#define __SOUP_WEBSOCKET_EXTENSION_H__ 1

#include <libsoup/soup-types.h>
#include <libsoup/soup-websocket.h>

G_BEGIN_DECLS

#define SOUP_TYPE_WEBSOCKET_EXTENSION            (soup_websocket_extension_get_type ())
#define SOUP_WEBSOCKET_EXTENSION(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION, SoupWebsocketExtension))
#define SOUP_IS_WEBSOCKET_EXTENSION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION))
#define SOUP_WEBSOCKET_EXTENSION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), SOUP_TYPE_WEBSOCKET_EXTENSION, SoupWebsocketExtensionClass))
#define SOUP_IS_WEBSOCKET_EXTENSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION))
#define SOUP_WEBSOCKET_EXTENSION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), SOUP_TYPE_WEBSOCKET_EXTENSION, SoupWebsocketExtensionClass))

struct _SoupWebsocketExtension {
	GObject parent;
};

typedef struct {
	GObjectClass parent_class;

	const char  *name;

	gboolean (* configure)                (SoupWebsocketExtension     *extension,
					       SoupWebsocketConnectionType connection_type,
					       GHashTable                 *params,
					       GError                    **error);

	char    *(* get_request_params)       (SoupWebsocketExtension     *extension);

	char    *(* get_response_params)      (SoupWebsocketExtension     *extension);

	GBytes  *(* process_outgoing_message) (SoupWebsocketExtension     *extension,
					       guint8                     *header,
					       GBytes                     *payload,
					       GError                    **error);

	GBytes  *(* process_incoming_message) (SoupWebsocketExtension     *extension,
					       guint8                     *header,
					       GBytes                     *payload,
                                               GError                    **error);

	/* Padding for future expansion */
	void (*_libsoup_reserved1) (void);
	void (*_libsoup_reserved2) (void);
	void (*_libsoup_reserved3) (void);
	void (*_libsoup_reserved4) (void);
} SoupWebsocketExtensionClass;

SOUP_AVAILABLE_IN_2_68
GType                    soup_websocket_extension_get_type                 (void);

SOUP_AVAILABLE_IN_2_68
gboolean                 soup_websocket_extension_configure                (SoupWebsocketExtension     *extension,
									    SoupWebsocketConnectionType connection_type,
									    GHashTable                 *params,
									    GError                    **error);
SOUP_AVAILABLE_IN_2_68
char                    *soup_websocket_extension_get_request_params       (SoupWebsocketExtension     *extension);

SOUP_AVAILABLE_IN_2_68
char                    *soup_websocket_extension_get_response_params      (SoupWebsocketExtension     *extension);

SOUP_AVAILABLE_IN_2_68
GBytes                  *soup_websocket_extension_process_outgoing_message (SoupWebsocketExtension     *extension,
									    guint8                     *header,
									    GBytes                     *payload,
									    GError                    **error);
SOUP_AVAILABLE_IN_2_68
GBytes                  *soup_websocket_extension_process_incoming_message (SoupWebsocketExtension     *extension,
									    guint8                     *header,
									    GBytes                     *payload,
									    GError                    **error);

G_END_DECLS

#endif /* __SOUP_WEBSOCKET_EXTENSION_H__ */