/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2008 Novell, Inc.
 * Copyright (C) 2008 - 2015 Red Hat, Inc.
 */

#ifndef __NM_VPN_EDITOR_PLUGIN_H__
#define __NM_VPN_EDITOR_PLUGIN_H__

#if !defined(__NETWORKMANAGER_H_INSIDE__) && !defined(NETWORKMANAGER_COMPILATION)
    #error "Only <NetworkManager.h> can be included directly."
#endif

#include <glib.h>
#include <glib-object.h>

#include "nm-connection.h"
#include "nm-utils.h"

G_BEGIN_DECLS

typedef struct _NMVpnPluginInfo NMVpnPluginInfo;

typedef struct _NMVpnEditorPlugin NMVpnEditorPlugin;
typedef struct _NMVpnEditor       NMVpnEditor;

/* Plugin's factory function that returns a GObject that implements
 * NMVpnEditorPlugin.
 */
#ifndef __GI_SCANNER__
typedef NMVpnEditorPlugin *(*NMVpnEditorPluginFactory)(GError **error);
NMVpnEditorPlugin *nm_vpn_editor_plugin_factory(GError **error);
#endif

/*****************************************************************************/
/* Editor plugin interface                        */
/*****************************************************************************/

#define NM_TYPE_VPN_EDITOR_PLUGIN (nm_vpn_editor_plugin_get_type())
#define NM_VPN_EDITOR_PLUGIN(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_VPN_EDITOR_PLUGIN, NMVpnEditorPlugin))
#define NM_IS_VPN_EDITOR_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_VPN_EDITOR_PLUGIN))
#define NM_VPN_EDITOR_PLUGIN_GET_INTERFACE(obj) \
    (G_TYPE_INSTANCE_GET_INTERFACE((obj), NM_TYPE_VPN_EDITOR_PLUGIN, NMVpnEditorPluginInterface))

/**
 * NMVpnEditorPluginCapability:
 * @NM_VPN_EDITOR_PLUGIN_CAPABILITY_NONE: unknown or no capability
 * @NM_VPN_EDITOR_PLUGIN_CAPABILITY_IMPORT: the plugin can import new connections
 * @NM_VPN_EDITOR_PLUGIN_CAPABILITY_EXPORT: the plugin can export connections
 * @NM_VPN_EDITOR_PLUGIN_CAPABILITY_IPV6: the plugin supports IPv6 addressing
 *
 * Flags that indicate certain capabilities of the plugin to editor programs.
 **/
typedef enum /*< flags >*/ {
    NM_VPN_EDITOR_PLUGIN_CAPABILITY_NONE   = 0x00,
    NM_VPN_EDITOR_PLUGIN_CAPABILITY_IMPORT = 0x01,
    NM_VPN_EDITOR_PLUGIN_CAPABILITY_EXPORT = 0x02,
    NM_VPN_EDITOR_PLUGIN_CAPABILITY_IPV6   = 0x04
} NMVpnEditorPluginCapability;

/* Short display name of the VPN plugin */
#define NM_VPN_EDITOR_PLUGIN_NAME "name"

/* Longer description of the VPN plugin */
#define NM_VPN_EDITOR_PLUGIN_DESCRIPTION "description"

/* D-Bus service name of the plugin's VPN service */
#define NM_VPN_EDITOR_PLUGIN_SERVICE "service"

typedef struct _NMVpnEditorPluginVT NMVpnEditorPluginVT;

/**
 * NMVpnEditorPluginInterface:
 * @g_iface: the parent interface
 * @get_editor: returns an #NMVpnEditor, pre-filled with values from @connection
 *   if non-%NULL.
 * @get_capabilities: returns a bitmask of capabilities.
 * @import_from_file: Try to import a connection from the specified path.  On
 *   success, return a partial #NMConnection object.  On error, return %NULL and
 *   set @error with additional information.  Note that @error can be %NULL, in
 *   which case no additional error information should be provided.
 * @export_to_file: Export the given connection to the specified path.  Return
 *   %TRUE on success.  On error, return %FALSE and set @error with additional
 *   error information.  Note that @error can be %NULL, in which case no
 *   additional error information should be provided.
 * @get_suggested_filename: For a given connection, return a suggested file
 *   name.  Returned value will be %NULL or a suggested file name to be freed by
 *   the caller.
 * @notify_plugin_info_set: A callback to be called when the plugin info is set.
 * @get_vt: return a virtual function table to implement further functions in
 *   the plugin, without requiring to update libnm. Used by nm_vpn_editor_plugin_get_vt().
 *
 * Interface for VPN editor plugins.
 */
typedef struct {
    GTypeInterface g_iface;

    NMVpnEditor *(*get_editor)(NMVpnEditorPlugin *plugin, NMConnection *connection, GError **error);

    NMVpnEditorPluginCapability (*get_capabilities)(NMVpnEditorPlugin *plugin);

    NMConnection *(*import_from_file)(NMVpnEditorPlugin *plugin, const char *path, GError **error);

    gboolean (*export_to_file)(NMVpnEditorPlugin *plugin,
                               const char *       path,
                               NMConnection *     connection,
                               GError **          error);

    char *(*get_suggested_filename)(NMVpnEditorPlugin *plugin, NMConnection *connection);

    void (*notify_plugin_info_set)(NMVpnEditorPlugin *plugin, NMVpnPluginInfo *plugin_info);

    const NMVpnEditorPluginVT *(*get_vt)(NMVpnEditorPlugin *plugin, gsize *out_vt_size);
} NMVpnEditorPluginInterface;

GType nm_vpn_editor_plugin_get_type(void);

NMVpnEditor *nm_vpn_editor_plugin_get_editor(NMVpnEditorPlugin *plugin,
                                             NMConnection *     connection,
                                             GError **          error);

NMVpnEditorPluginCapability nm_vpn_editor_plugin_get_capabilities(NMVpnEditorPlugin *plugin);

NM_AVAILABLE_IN_1_4
gsize
nm_vpn_editor_plugin_get_vt(NMVpnEditorPlugin *plugin, NMVpnEditorPluginVT *vt, gsize vt_size);

NMConnection *
         nm_vpn_editor_plugin_import(NMVpnEditorPlugin *plugin, const char *path, GError **error);
gboolean nm_vpn_editor_plugin_export(NMVpnEditorPlugin *plugin,
                                     const char *       path,
                                     NMConnection *     connection,
                                     GError **          error);
char *   nm_vpn_editor_plugin_get_suggested_filename(NMVpnEditorPlugin *plugin,
                                                     NMConnection *     connection);

NM_AVAILABLE_IN_1_2
NMVpnEditorPlugin *nm_vpn_editor_plugin_load_from_file(const char *              plugin_name,
                                                       const char *              check_service,
                                                       int                       check_owner,
                                                       NMUtilsCheckFilePredicate check_file,
                                                       gpointer                  user_data,
                                                       GError **                 error);

NM_AVAILABLE_IN_1_4
NMVpnEditorPlugin *
nm_vpn_editor_plugin_load(const char *plugin_name, const char *check_service, GError **error);

NM_AVAILABLE_IN_1_4
NMVpnPluginInfo *nm_vpn_editor_plugin_get_plugin_info(NMVpnEditorPlugin *plugin);
NM_AVAILABLE_IN_1_4
void nm_vpn_editor_plugin_set_plugin_info(NMVpnEditorPlugin *plugin, NMVpnPluginInfo *plugin_info);

#include "nm-vpn-plugin-info.h"

G_END_DECLS

#endif /* __NM_VPN_EDITOR_PLUGIN_H__ */