// SPDX-License-Identifier: LGPL-2.1+

/*

 * Copyright (C) 2018 - 2019 Red Hat, Inc.

 */

#include "nm-default.h"

#include "nm-device-wifi-p2p.h"

#include "nm-glib-aux/nm-dbus-aux.h"

#include "nm-setting-connection.h"

#include "nm-setting-wifi-p2p.h"

#include "nm-utils.h"

#include "nm-wifi-p2p-peer.h"

#include "nm-object-private.h"

#include "nm-core-internal.h"

#include "nm-dbus-helpers.h"

/*****************************************************************************/

NM_GOBJECT_PROPERTIES_DEFINE_BASE (

	PROP_PEERS,

);

enum {

	PEER_ADDED,

	PEER_REMOVED,

	LAST_SIGNAL

};

static guint signals[LAST_SIGNAL] = { 0 };

typedef struct {

	NMLDBusPropertyAO peers;

} NMDeviceWifiP2PPrivate;

struct _NMDeviceWifiP2P {

	NMDevice parent;

	NMDeviceWifiP2PPrivate _priv;

};

struct _NMDeviceWifiP2PClass {

	NMDeviceClass parent;

};

G_DEFINE_TYPE (NMDeviceWifiP2P, nm_device_wifi_p2p, NM_TYPE_DEVICE)

#define NM_DEVICE_WIFI_P2P_GET_PRIVATE(self) _NM_GET_PRIVATE (self, NMDeviceWifiP2P, NM_IS_DEVICE_WIFI_P2P, NMDevice, NMObject)

/*****************************************************************************/

/**

 * nm_device_wifi_p2p_get_hw_address: (skip)

 * @device: a #NMDeviceWifiP2P

 *

 * Gets the actual hardware (MAC) address of the #NMDeviceWifiP2P

 *

 * Returns: the actual hardware address. This is the internal string used by the

 * device, and must not be modified.

 *

 * Since: 1.16

 *

 * Deprecated: 1.24: Use nm_device_get_hw_address() instead.

 **/

const char *

nm_device_wifi_p2p_get_hw_address (NMDeviceWifiP2P *device)

{

	g_return_val_if_fail (NM_IS_DEVICE_WIFI_P2P (device), NULL);

	return nm_device_get_hw_address (NM_DEVICE (device));

}

/**

 * nm_device_wifi_p2p_get_peers:

 * @device: a #NMDeviceWifiP2P

 *

 * Gets all the found peers of the #NMDeviceWifiP2P.

 *

 * Returns: (element-type NMWifiP2PPeer): a #GPtrArray containing all the

 *          found #NMWifiP2PPeers.

 * The returned array is owned by the client and should not be modified.

 *

 * Since: 1.16

 **/

const GPtrArray *

nm_device_wifi_p2p_get_peers (NMDeviceWifiP2P *device)

{

	g_return_val_if_fail (NM_IS_DEVICE_WIFI_P2P (device), NULL);

	return nml_dbus_property_ao_get_objs_as_ptrarray (&NM_DEVICE_WIFI_P2P_GET_PRIVATE (device)->peers);

}

/**

 * nm_device_wifi_p2p_get_peer_by_path:

 * @device: a #NMDeviceWifiP2P

 * @path: the object path of the peer

 *

 * Gets a #NMWifiP2PPeer by path.

 *

 * Returns: (transfer none): the peer or %NULL if none is found.

 *

 * Since: 1.16

 **/

NMWifiP2PPeer *

nm_device_wifi_p2p_get_peer_by_path (NMDeviceWifiP2P *device,

                                     const char *path)

{

	const GPtrArray *peers;

	int i;

	NMWifiP2PPeer *peer = NULL;

	g_return_val_if_fail (NM_IS_DEVICE_WIFI_P2P (device), NULL);

	g_return_val_if_fail (path != NULL, NULL);

	peers = nm_device_wifi_p2p_get_peers (device);

	if (!peers)

		return NULL;

	for (i = 0; i < peers->len; i++) {

		NMWifiP2PPeer *candidate = g_ptr_array_index (peers, i);

		if (!strcmp (nm_object_get_path (NM_OBJECT (candidate)), path)) {

			peer = candidate;

			break;

		}

	}

	return peer;

}

/**

 * nm_device_wifi_p2p_start_find:

 * @device: a #NMDeviceWifiP2P

 * @options: (allow-none): optional options passed to StartFind.

 * @cancellable: a #GCancellable, or %NULL

 * @callback: a #GAsyncReadyCallback, or %NULL

 * @user_data: user_data for @callback

 *

 * Request NM to search for Wi-Fi P2P peers on @device. Note that the call

 * returns immediately after requesting the find, and it may take some time

 * after that for peers to be found.

 *

 * The find operation will run for 30s by default. You can stop it earlier

 * using nm_device_p2p_wifi_stop_find().

 *

 * Since: 1.16

 **/

void

nm_device_wifi_p2p_start_find (NMDeviceWifiP2P *device,

                               GVariant *options,

                               GCancellable *cancellable,

                               GAsyncReadyCallback callback,

                               gpointer user_data)

{

	g_return_if_fail (NM_IS_DEVICE_WIFI_P2P (device));

	g_return_if_fail (!options || g_variant_is_of_type (options, G_VARIANT_TYPE_VARDICT));

	g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));

	if (!options)

		options = g_variant_new_array (G_VARIANT_TYPE ("{sv}"), NULL, 0);

	_nm_client_dbus_call (_nm_object_get_client (device),

	                      device,

	                      nm_device_wifi_p2p_start_find,

	                      cancellable,

	                      callback,

	                      user_data,

	                      _nm_object_get_path (device),

	                      NM_DBUS_INTERFACE_DEVICE_WIFI_P2P,

	                      "StartFind",

	                      g_variant_new ("(@a{sv})", options),

	                      G_VARIANT_TYPE ("()"),

	                      G_DBUS_CALL_FLAGS_NONE,

	                      NM_DBUS_DEFAULT_TIMEOUT_MSEC,

	                      nm_dbus_connection_call_finish_void_cb);

}

/**

 * nm_device_wifi_p2p_start_find_finish:

 * @device: a #NMDeviceWifiP2P

 * @result: the #GAsyncResult

 * @error: #GError return address

 *

 * Finish an operation started by nm_device_wifi_p2p_start_find().

 *

 * Returns: %TRUE if the call was successful

 *

 * Since: 1.16

 **/

gboolean

nm_device_wifi_p2p_start_find_finish (NMDeviceWifiP2P  *device,

                                      GAsyncResult     *result,

                                      GError          **error)

{

	g_return_val_if_fail (NM_IS_DEVICE_WIFI_P2P (device), FALSE);

	g_return_val_if_fail (nm_g_task_is_valid (result, device, nm_device_wifi_p2p_start_find), FALSE);

	return g_task_propagate_boolean (G_TASK (result), error);

}

/**

 * nm_device_wifi_p2p_stop_find:

 * @device: a #NMDeviceWifiP2P

 * @cancellable: a #GCancellable, or %NULL

 * @callback: a #GAsyncReadyCallback, or %NULL

 * @user_data: user_data for @callback

 *

 * Request NM to stop any ongoing find operation for Wi-Fi P2P peers on @device.

 *

 * Since: 1.16

 **/

void

nm_device_wifi_p2p_stop_find (NMDeviceWifiP2P     *device,

                              GCancellable        *cancellable,

                              GAsyncReadyCallback  callback,

                              gpointer             user_data)

{

	g_return_if_fail (NM_IS_DEVICE_WIFI_P2P (device));

	g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));

	_nm_client_dbus_call (_nm_object_get_client (device),

	                      device,

	                      nm_device_wifi_p2p_stop_find,

	                      cancellable,

	                      callback,

	                      user_data,

	                      _nm_object_get_path (device),

	                      NM_DBUS_INTERFACE_DEVICE_WIFI_P2P,

	                      "StopFind",

	                      g_variant_new ("()"),

	                      G_VARIANT_TYPE ("()"),

	                      G_DBUS_CALL_FLAGS_NONE,

	                      NM_DBUS_DEFAULT_TIMEOUT_MSEC,

	                      nm_dbus_connection_call_finish_void_cb);

}

/**

 * nm_device_wifi_p2p_stop_find_finish:

 * @device: a #NMDeviceWifiP2P

 * @result: the #GAsyncResult

 * @error: #GError return address

 *

 * Finish an operation started by nm_device_wifi_p2p_stop_find().

 *

 * Returns: %TRUE if the call was successful

 *

 * Since: 1.16

 **/

gboolean

nm_device_wifi_p2p_stop_find_finish (NMDeviceWifiP2P  *device,

                                      GAsyncResult     *result,

                                      GError          **error)

{

	g_return_val_if_fail (NM_IS_DEVICE_WIFI_P2P (device), FALSE);

	g_return_val_if_fail (nm_g_task_is_valid (result, device, nm_device_wifi_p2p_stop_find), FALSE);

	return g_task_propagate_boolean (G_TASK (result), error);

}

static gboolean

connection_compatible (NMDevice *device, NMConnection *connection, GError **error)

{

	if (!NM_DEVICE_CLASS (nm_device_wifi_p2p_parent_class)->connection_compatible (device, connection, error))

		return FALSE;

	if (!nm_connection_is_type (connection, NM_SETTING_WIFI_P2P_SETTING_NAME)) {

		g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,

		                     _("The connection was not a Wi-Fi P2P connection."));

		return FALSE;

	}

	return TRUE;

}

static GType

get_setting_type (NMDevice *device)

{

	return NM_TYPE_SETTING_WIRELESS;

}

static const char *

get_type_description (NMDevice *device)

{

	return "wifi-p2p";

}

/*****************************************************************************/

static void

_property_ao_notify_changed_peers_cb (NMLDBusPropertyAO *pr_ao,

                                      NMClient *client,

                                      NMObject *nmobj,

                                      gboolean is_added /* or else removed */)

{

	_nm_client_notify_event_queue_emit_obj_signal (client,

	                                               G_OBJECT (pr_ao->owner_dbobj->nmobj),

	                                               nmobj,

	                                               is_added,

	                                               10,

	                                                 is_added

	                                               ? signals[PEER_ADDED]

	                                               : signals[PEER_REMOVED]);

}

/*****************************************************************************/

static void

get_property (GObject *object,

              guint prop_id,

              GValue *value,

              GParamSpec *pspec)

{

	NMDeviceWifiP2P *self = NM_DEVICE_WIFI_P2P (object);

	switch (prop_id) {

	case PROP_PEERS:

		g_value_take_boxed (value, _nm_utils_copy_object_array (nm_device_wifi_p2p_get_peers (self)));

		break;

	default:

		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

		break;

	}

}

/*****************************************************************************/

static void

nm_device_wifi_p2p_init (NMDeviceWifiP2P *device)

{

}

const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_wifip2p = NML_DBUS_META_IFACE_INIT_PROP (

	NM_DBUS_INTERFACE_DEVICE_WIFI_P2P,

	nm_device_wifi_p2p_get_type,

	NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_HIGH,

	NML_DBUS_META_IFACE_DBUS_PROPERTIES (

		NML_DBUS_META_PROPERTY_INIT_FCN     ("HwAddress", 0,               "s",             _nm_device_notify_update_prop_hw_address                                                                                      ),

		NML_DBUS_META_PROPERTY_INIT_AO_PROP ("Peers",     PROP_PEERS,      NMDeviceWifiP2P, _priv.peers,                             nm_wifi_p2p_peer_get_type, .notify_changed_ao = _property_ao_notify_changed_peers_cb ),

	),

);

static void

nm_device_wifi_p2p_class_init (NMDeviceWifiP2PClass *klass)

{

	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	NMObjectClass *nm_object_class = NM_OBJECT_CLASS (klass);

	NMDeviceClass *device_class = NM_DEVICE_CLASS (klass);

	object_class->get_property = get_property;

	_NM_OBJECT_CLASS_INIT_PRIV_PTR_DIRECT (nm_object_class, NMDeviceWifiP2P);

	_NM_OBJECT_CLASS_INIT_PROPERTY_AO_FIELDS_1 (nm_object_class, NMDeviceWifiP2PPrivate, peers);

	device_class->connection_compatible = connection_compatible;

	device_class->get_setting_type      = get_setting_type;

	device_class->get_type_description  = get_type_description;

	/**

	 * NMDeviceWifiP2P:peers: (type GPtrArray(NMWifiP2PPeer))

	 *

	 * List of all Wi-Fi P2P peers the device can see.

	 *

	 * Since: 1.16

	 **/

	obj_properties[PROP_PEERS] =

	    g_param_spec_boxed (NM_DEVICE_WIFI_P2P_PEERS, "", "",

	                        G_TYPE_PTR_ARRAY,

	                        G_PARAM_READABLE |

	                        G_PARAM_STATIC_STRINGS);

	_nml_dbus_meta_class_init_with_properties (object_class, &_nml_dbus_meta_iface_nm_device_wifip2p);

	/**

	 * NMDeviceWifiP2P::peer-added:

	 * @device: the Wi-Fi P2P device that received the signal

	 * @peer: the new access point

	 *

	 * Notifies that a #NMWifiP2PPeer is added to the Wi-Fi P2P device.

	 *

	 * Since: 1.16

	 **/

	signals[PEER_ADDED] =

	    g_signal_new ("peer-added",

	                 G_OBJECT_CLASS_TYPE (object_class),

	                 G_SIGNAL_RUN_FIRST,

	                 0, NULL, NULL,

	                 g_cclosure_marshal_VOID__OBJECT,

	                 G_TYPE_NONE, 1,

	                 G_TYPE_OBJECT);

	/**

	 * NMDeviceWifiP2P::peer-removed:

	 * @device: the Wi-Fi P2P device that received the signal

	 * @peer: the removed access point

	 *

	 * Notifies that a #NMWifiP2PPeer is removed from the Wi-Fi P2P device.

	 *

	 * Since: 1.16

	 **/

	signals[PEER_REMOVED] =

	    g_signal_new ("peer-removed",

	                 G_OBJECT_CLASS_TYPE (object_class),

	                 G_SIGNAL_RUN_FIRST,

	                 0, NULL, NULL,

	                 g_cclosure_marshal_VOID__OBJECT,

	                 G_TYPE_NONE, 1,

	                 G_TYPE_OBJECT);

}