/*
 * WPA Supplicant / dbus-based control interface
 * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef CTRL_IFACE_DBUS_H
#define CTRL_IFACE_DBUS_H

#ifdef CONFIG_CTRL_IFACE_DBUS

#ifndef SIGPOLL
#ifdef SIGIO
/*
 * If we do not have SIGPOLL, try to use SIGIO instead. This is needed for
 * FreeBSD.
 */
#define SIGPOLL SIGIO
#endif
#endif

#include <dbus/dbus.h>

#define WPAS_DBUS_OBJECT_PATH_MAX 150

#define WPAS_DBUS_SERVICE	"fi.epitest.hostap.WPASupplicant"
#define WPAS_DBUS_PATH		"/fi/epitest/hostap/WPASupplicant"
#define WPAS_DBUS_INTERFACE	"fi.epitest.hostap.WPASupplicant"

#define WPAS_DBUS_PATH_INTERFACES	WPAS_DBUS_PATH "/Interfaces"
#define WPAS_DBUS_IFACE_INTERFACE	WPAS_DBUS_INTERFACE ".Interface"

#define WPAS_DBUS_NETWORKS_PART "Networks"
#define WPAS_DBUS_IFACE_NETWORK	WPAS_DBUS_INTERFACE ".Network"

#define WPAS_DBUS_BSSIDS_PART	"BSSIDs"
#define WPAS_DBUS_IFACE_BSSID	WPAS_DBUS_INTERFACE ".BSSID"


/* Errors */
#define WPAS_ERROR_INVALID_NETWORK \
	WPAS_DBUS_IFACE_INTERFACE ".InvalidNetwork"
#define WPAS_ERROR_INVALID_BSSID \
	WPAS_DBUS_IFACE_INTERFACE ".InvalidBSSID"

#define WPAS_ERROR_INVALID_OPTS \
	WPAS_DBUS_INTERFACE ".InvalidOptions"
#define WPAS_ERROR_INVALID_IFACE \
	WPAS_DBUS_INTERFACE ".InvalidInterface"

#define WPAS_ERROR_ADD_ERROR \
	WPAS_DBUS_INTERFACE ".AddError"
#define WPAS_ERROR_EXISTS_ERROR \
	WPAS_DBUS_INTERFACE ".ExistsError"
#define WPAS_ERROR_REMOVE_ERROR \
	WPAS_DBUS_INTERFACE ".RemoveError"

#define WPAS_ERROR_SCAN_ERROR \
	WPAS_DBUS_IFACE_INTERFACE ".ScanError"
#define WPAS_ERROR_ADD_NETWORK_ERROR \
	WPAS_DBUS_IFACE_INTERFACE ".AddNetworkError"
#define WPAS_ERROR_INTERNAL_ERROR \
	WPAS_DBUS_IFACE_INTERFACE ".InternalError"
#define WPAS_ERROR_REMOVE_NETWORK_ERROR \
	WPAS_DBUS_IFACE_INTERFACE ".RemoveNetworkError"

#define WPAS_DBUS_BSSID_FORMAT "%02x%02x%02x%02x%02x%02x"

struct wpa_global;
struct wpa_supplicant;

struct ctrl_iface_dbus_priv *
wpa_supplicant_dbus_ctrl_iface_init(struct wpa_global *global);
void wpa_supplicant_dbus_ctrl_iface_deinit(struct ctrl_iface_dbus_priv *iface);
void wpa_supplicant_dbus_notify_scan_results(struct wpa_supplicant *wpa_s);
void wpa_supplicant_dbus_notify_state_change(struct wpa_supplicant *wpa_s,
					     wpa_states new_state,
					     wpa_states old_state);

char * wpas_dbus_decompose_object_path(const char *path, char **network,
                                       char **bssid);

int wpas_dbus_register_iface(struct wpa_supplicant *wpa_s);
int wpas_dbus_unregister_iface(struct wpa_supplicant *wpa_s);


/* Methods internal to the dbus control interface */
u32 wpa_supplicant_dbus_next_objid(struct ctrl_iface_dbus_priv *iface);

int wpa_supplicant_set_dbus_path(struct wpa_supplicant *wpa_s,
				 const char *path);
const char *wpa_supplicant_get_dbus_path(struct wpa_supplicant *wpa_s);
struct wpa_supplicant * wpa_supplicant_get_iface_by_dbus_path(
	struct wpa_global *global, const char *path);

DBusMessage * wpas_dbus_new_invalid_iface_error(DBusMessage *message);
DBusMessage * wpas_dbus_new_invalid_network_error(DBusMessage *message);

#else /* CONFIG_CTRL_IFACE_DBUS */

static inline struct ctrl_iface_dbus_priv *
wpa_supplicant_dbus_ctrl_iface_init(struct wpa_global *global)
{
	return (struct ctrl_iface_dbus_priv *) 1;
}

static inline void
wpa_supplicant_dbus_ctrl_iface_deinit(struct ctrl_iface_dbus_priv *iface)
{
}

static inline void
wpa_supplicant_dbus_notify_scan_results(struct wpa_supplicant *wpa_s)
{
}

static inline void
wpa_supplicant_dbus_notify_state_change(struct wpa_supplicant *wpa_s,
					wpa_states new_state,
					wpa_states old_state)
{
}

static inline int
wpas_dbus_register_iface(struct wpa_supplicant *wpa_s)
{
	return 0;
}

static inline int
wpas_dbus_unregister_iface(struct wpa_supplicant *wpa_s)
{
	return 0;
}

#endif /* CONFIG_CTRL_IFACE_DBUS */

#endif /* CTRL_IFACE_DBUS_H */