nm-device-team.c 8 KB
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 * Copyright 2013 Jiri Pirko <jiri@resnulli.us>
 */

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#include "nm-default.h"
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#include <string.h>

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#include "nm-setting-connection.h"
#include "nm-setting-team.h"
#include "nm-utils.h"
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#include "nm-device-team.h"
#include "nm-device-private.h"
#include "nm-object-private.h"
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#include "nm-core-internal.h"
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G_DEFINE_TYPE (NMDeviceTeam, nm_device_team, NM_TYPE_DEVICE)

#define NM_DEVICE_TEAM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_TEAM, NMDeviceTeamPrivate))

typedef struct {
	char *hw_address;
	gboolean carrier;
	GPtrArray *slaves;
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	char *config;
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} NMDeviceTeamPrivate;

enum {
	PROP_0,
	PROP_HW_ADDRESS,
	PROP_CARRIER,
	PROP_SLAVES,
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	PROP_CONFIG,
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	LAST_PROP
};

/**
 * nm_device_team_get_hw_address:
 * @device: a #NMDeviceTeam
 *
 * Gets the hardware (MAC) address of the #NMDeviceTeam
 *
 * Returns: the hardware address. This is the internal string used by the
 * device, and must not be modified.
 **/
const char *
nm_device_team_get_hw_address (NMDeviceTeam *device)
{
	g_return_val_if_fail (NM_IS_DEVICE_TEAM (device), NULL);

	return NM_DEVICE_TEAM_GET_PRIVATE (device)->hw_address;
}

/**
 * nm_device_team_get_carrier:
 * @device: a #NMDeviceTeam
 *
 * Whether the device has carrier.
 *
 * Returns: %TRUE if the device has carrier
 **/
gboolean
nm_device_team_get_carrier (NMDeviceTeam *device)
{
	g_return_val_if_fail (NM_IS_DEVICE_TEAM (device), FALSE);

	return NM_DEVICE_TEAM_GET_PRIVATE (device)->carrier;
}

/**
 * nm_device_team_get_slaves:
 * @device: a #NMDeviceTeam
 *
 * Gets the devices currently enslaved to @device.
 *
 * Returns: (element-type NMDevice): the #GPtrArray containing
 * #NMDevices that are slaves of @device. This is the internal
 * copy used by the device, and must not be modified.
 **/
const GPtrArray *
nm_device_team_get_slaves (NMDeviceTeam *device)
{
	g_return_val_if_fail (NM_IS_DEVICE_TEAM (device), FALSE);

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	return NM_DEVICE_TEAM_GET_PRIVATE (device)->slaves;
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}

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/**
 * nm_device_team_get_config:
 * @device: a #NMDeviceTeam
 *
 * Gets the current JSON configuration of the #NMDeviceTeam
 *
 * Returns: the current configuration. This is the internal string used by the
 * device, and must not be modified.
 *
 * Since: 1.4
 **/
const char *
nm_device_team_get_config (NMDeviceTeam *device)
{
	g_return_val_if_fail (NM_IS_DEVICE_TEAM (device), NULL);

	return NM_DEVICE_TEAM_GET_PRIVATE (device)->config;
}

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static const char *
get_hw_address (NMDevice *device)
{
	return nm_device_team_get_hw_address (NM_DEVICE_TEAM (device));
}

static gboolean
connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
{
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	if (!NM_DEVICE_CLASS (nm_device_team_parent_class)->connection_compatible (device, connection, error))
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		return FALSE;

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	if (!nm_connection_is_type (connection, NM_SETTING_TEAM_SETTING_NAME)) {
		g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INVALID_CONNECTION,
		                     _("The connection was not a team connection."));
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		return FALSE;
	}

	/* FIXME: check slaves? */

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	return TRUE;
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}

static GType
get_setting_type (NMDevice *device)
{
	return NM_TYPE_SETTING_TEAM;
}

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/*****************************************************************************/
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static void
nm_device_team_init (NMDeviceTeam *device)
{
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	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (device);

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	_nm_device_set_device_type (NM_DEVICE (device), NM_DEVICE_TYPE_TEAM);
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	priv->slaves = g_ptr_array_new ();
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}

static void
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init_dbus (NMObject *object)
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{
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	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (object);
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	const NMPropertiesInfo property_info[] = {
		{ NM_DEVICE_TEAM_HW_ADDRESS, &priv->hw_address },
		{ NM_DEVICE_TEAM_CARRIER,    &priv->carrier },
		{ NM_DEVICE_TEAM_SLAVES,     &priv->slaves, NULL, NM_TYPE_DEVICE },
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		{ NM_DEVICE_TEAM_CONFIG,     &priv->config },
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		{ NULL },
	};

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	NM_OBJECT_CLASS (nm_device_team_parent_class)->init_dbus (object);

	_nm_object_register_properties (object,
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	                                NM_DBUS_INTERFACE_DEVICE_TEAM,
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	                                property_info);
}

static void
dispose (GObject *object)
{
	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (object);

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	g_clear_pointer (&priv->slaves, g_ptr_array_unref);
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	G_OBJECT_CLASS (nm_device_team_parent_class)->dispose (object);
}

static void
finalize (GObject *object)
{
	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (object);

	g_free (priv->hw_address);
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	g_free (priv->config);
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	G_OBJECT_CLASS (nm_device_team_parent_class)->finalize (object);
}

static void
get_property (GObject *object,
              guint prop_id,
              GValue *value,
              GParamSpec *pspec)
{
	NMDeviceTeam *device = NM_DEVICE_TEAM (object);

	switch (prop_id) {
	case PROP_HW_ADDRESS:
		g_value_set_string (value, nm_device_team_get_hw_address (device));
		break;
	case PROP_CARRIER:
		g_value_set_boolean (value, nm_device_team_get_carrier (device));
		break;
	case PROP_SLAVES:
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		g_value_take_boxed (value, _nm_utils_copy_object_array (nm_device_team_get_slaves (device)));
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		break;
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	case PROP_CONFIG:
		g_value_set_string (value, nm_device_team_get_config (device));
		break;
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	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

static void
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nm_device_team_class_init (NMDeviceTeamClass *team_class)
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{
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	GObjectClass *object_class = G_OBJECT_CLASS (team_class);
	NMObjectClass *nm_object_class = NM_OBJECT_CLASS (team_class);
	NMDeviceClass *device_class = NM_DEVICE_CLASS (team_class);
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	g_type_class_add_private (team_class, sizeof (NMDeviceTeamPrivate));
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	_nm_object_class_add_interface (nm_object_class, NM_DBUS_INTERFACE_DEVICE_TEAM);

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	/* virtual methods */
	object_class->dispose = dispose;
	object_class->finalize = finalize;
	object_class->get_property = get_property;
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	nm_object_class->init_dbus = init_dbus;

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	device_class->connection_compatible = connection_compatible;
	device_class->get_setting_type = get_setting_type;
	device_class->get_hw_address = get_hw_address;

	/* properties */

	/**
	 * NMDeviceTeam:hw-address:
	 *
	 * The hardware (MAC) address of the device.
	 **/
	g_object_class_install_property
		(object_class, PROP_HW_ADDRESS,
		 g_param_spec_string (NM_DEVICE_TEAM_HW_ADDRESS, "", "",
		                      NULL,
		                      G_PARAM_READABLE |
		                      G_PARAM_STATIC_STRINGS));

	/**
	 * NMDeviceTeam:carrier:
	 *
	 * Whether the device has carrier.
	 **/
	g_object_class_install_property
		(object_class, PROP_CARRIER,
		 g_param_spec_boolean (NM_DEVICE_TEAM_CARRIER, "", "",
		                       FALSE,
		                       G_PARAM_READABLE |
		                       G_PARAM_STATIC_STRINGS));

	/**
	 * NMDeviceTeam:slaves:
	 *
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	 * The devices enslaved to the team device.
	 *
	 * Element-type: NMDevice
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	 **/
	g_object_class_install_property
		(object_class, PROP_SLAVES,
		 g_param_spec_boxed (NM_DEVICE_TEAM_SLAVES, "", "",
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		                     G_TYPE_PTR_ARRAY,
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		                     G_PARAM_READABLE |
		                     G_PARAM_STATIC_STRINGS));
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	/**
	 * NMDeviceTeam:config:
	 *
	 * The current JSON configuration of the device.
	 *
	 * Since: 1.4
	 **/
	g_object_class_install_property
		(object_class, PROP_CONFIG,
		 g_param_spec_string (NM_DEVICE_TEAM_CONFIG, "", "",
		                      NULL,
		                      G_PARAM_READABLE |
		                      G_PARAM_STATIC_STRINGS));
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}