mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
synced 2025-12-31 05:30:17 +01:00
95ab69b761
On D-Bus level, string (s) or object paths (o) cannot be NULL. Thus, whenver server exposes such an object, it gets automatically coerced to "" or "/", respectively. On client side, libnm should coerce certain properties back, for which "" is just not a sensible value. For example, an empty NM_DEVICE_ETHERNET_HW_ADDRESS should be instead exposed as NULL. Technically, this is an API change. However, all users were well advised to expect both NULL and "" as possible return values and handle them accordingly.
346 lines
8.9 KiB
C
346 lines
8.9 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* Copyright 2015 Red Hat, Inc.
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*/
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#include "nm-default.h"
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#include <string.h>
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#include "nm-setting-connection.h"
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#include "nm-setting-macvlan.h"
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#include "nm-setting-wired.h"
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#include "nm-utils.h"
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#include "nm-device-macvlan.h"
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#include "nm-device-private.h"
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#include "nm-object-private.h"
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G_DEFINE_TYPE (NMDeviceMacvlan, nm_device_macvlan, NM_TYPE_DEVICE)
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#define NM_DEVICE_MACVLAN_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_MACVLAN, NMDeviceMacvlanPrivate))
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typedef struct {
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NMDevice *parent;
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char *mode;
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gboolean no_promisc;
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gboolean tap;
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char *hw_address;
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} NMDeviceMacvlanPrivate;
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enum {
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PROP_0,
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PROP_PARENT,
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PROP_MODE,
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PROP_NO_PROMISC,
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PROP_TAP,
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PROP_HW_ADDRESS,
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LAST_PROP
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};
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/**
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* nm_device_macvlan_get_parent:
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* @device: a #NMDeviceMacvlan
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*
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* Returns: (transfer none): the device's parent device
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*
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* Since: 1.2
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**/
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NMDevice *
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nm_device_macvlan_get_parent (NMDeviceMacvlan *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_MACVLAN (device), FALSE);
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return NM_DEVICE_MACVLAN_GET_PRIVATE (device)->parent;
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}
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/**
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* nm_device_macvlan_get_mode:
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* @device: a #NMDeviceMacvlan
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*
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* Gets the MACVLAN mode of the device.
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*
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* Returns: the MACVLAN mode. This is the internal string used by the
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* device, and must not be modified.
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*
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* Since: 1.2
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**/
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const char *
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nm_device_macvlan_get_mode (NMDeviceMacvlan *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_MACVLAN (device), NULL);
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return nm_str_not_empty (NM_DEVICE_MACVLAN_GET_PRIVATE (device)->mode);
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}
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/**
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* nm_device_macvlan_get_no_promisc
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* @device: a #NMDeviceMacvlan
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*
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* Gets the no-promiscuous flag of the device.
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*
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* Returns: the no-promiscuous flag of the device.
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*
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* Since: 1.2
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**/
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gboolean
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nm_device_macvlan_get_no_promisc (NMDeviceMacvlan *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_MACVLAN (device), FALSE);
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return NM_DEVICE_MACVLAN_GET_PRIVATE (device)->no_promisc;
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}
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/**
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* nm_device_macvlan_get_tap:
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* @device: a #NMDeviceMacvlan
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*
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* Gets the device type (MACVLAN or MACVTAP).
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*
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* Returns: %TRUE if the device is a MACVTAP, %FALSE if it is a MACVLAN.
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*
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* Since: 1.2
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**/
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gboolean
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nm_device_macvlan_get_tap (NMDeviceMacvlan *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_MACVLAN (device), FALSE);
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return NM_DEVICE_MACVLAN_GET_PRIVATE (device)->tap;
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}
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/**
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* nm_device_macvlan_get_hw_address:
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* @device: a #NMDeviceMacvlan
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*
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* Gets the hardware (MAC) address of the #NMDeviceMacvlan
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*
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* Returns: the hardware address. This is the internal string used by the
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* device, and must not be modified.
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*
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* Since: 1.2
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**/
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const char *
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nm_device_macvlan_get_hw_address (NMDeviceMacvlan *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_MACVLAN (device), NULL);
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return nm_str_not_empty (NM_DEVICE_MACVLAN_GET_PRIVATE (device)->hw_address);
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}
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static gboolean
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connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
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{
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NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE (device);
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NMSettingMacvlan *s_macvlan;
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if (!NM_DEVICE_CLASS (nm_device_macvlan_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_MACVLAN_SETTING_NAME)) {
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g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
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_("The connection was not a MAC-VLAN connection."));
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return FALSE;
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}
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s_macvlan = nm_connection_get_setting_macvlan (connection);
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if (s_macvlan) {
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if (nm_setting_macvlan_get_tap (s_macvlan) != priv->tap)
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return FALSE;
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}
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return TRUE;
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}
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static const char *
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get_hw_address (NMDevice *device)
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{
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return nm_device_macvlan_get_hw_address (NM_DEVICE_MACVLAN (device));
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}
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static GType
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get_setting_type (NMDevice *device)
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{
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return NM_TYPE_SETTING_MACVLAN;
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}
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/*****************************************************************************/
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static void
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nm_device_macvlan_init (NMDeviceMacvlan *device)
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{
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_nm_device_set_device_type (NM_DEVICE (device), NM_DEVICE_TYPE_MACVLAN);
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}
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static void
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init_dbus (NMObject *object)
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{
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NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE (object);
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const NMPropertiesInfo property_info[] = {
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{ NM_DEVICE_MACVLAN_PARENT, &priv->parent, NULL, NM_TYPE_DEVICE },
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{ NM_DEVICE_MACVLAN_MODE, &priv->mode },
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{ NM_DEVICE_MACVLAN_NO_PROMISC, &priv->no_promisc },
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{ NM_DEVICE_MACVLAN_TAP, &priv->tap },
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{ NM_DEVICE_MACVLAN_HW_ADDRESS, &priv->hw_address },
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{ NULL },
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};
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NM_OBJECT_CLASS (nm_device_macvlan_parent_class)->init_dbus (object);
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_nm_object_register_properties (object,
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NM_DBUS_INTERFACE_DEVICE_MACVLAN,
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property_info);
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}
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static void
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finalize (GObject *object)
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{
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NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE (object);
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g_free (priv->mode);
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g_free (priv->hw_address);
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g_clear_object (&priv->parent);
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G_OBJECT_CLASS (nm_device_macvlan_parent_class)->finalize (object);
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}
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static void
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get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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NMDeviceMacvlan *device = NM_DEVICE_MACVLAN (object);
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switch (prop_id) {
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case PROP_PARENT:
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g_value_set_object (value, nm_device_macvlan_get_parent (device));
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break;
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case PROP_MODE:
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g_value_set_string (value, nm_device_macvlan_get_mode (device));
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break;
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case PROP_NO_PROMISC:
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g_value_set_boolean (value, nm_device_macvlan_get_no_promisc (device));
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break;
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case PROP_TAP:
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g_value_set_boolean (value, nm_device_macvlan_get_tap (device));
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break;
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case PROP_HW_ADDRESS:
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g_value_set_string (value, nm_device_macvlan_get_hw_address (device));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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nm_device_macvlan_class_init (NMDeviceMacvlanClass *gre_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (gre_class);
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NMObjectClass *nm_object_class = NM_OBJECT_CLASS (gre_class);
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NMDeviceClass *device_class = NM_DEVICE_CLASS (gre_class);
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g_type_class_add_private (gre_class, sizeof (NMDeviceMacvlanPrivate));
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_nm_object_class_add_interface (nm_object_class, NM_DBUS_INTERFACE_DEVICE_MACVLAN);
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/* virtual methods */
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object_class->finalize = finalize;
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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;
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device_class->get_setting_type = get_setting_type;
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device_class->get_hw_address = get_hw_address;
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/* properties */
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/**
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* NMDeviceMacvlan:parent:
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*
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* The devices's parent device.
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*
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* Since: 1.2
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**/
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g_object_class_install_property
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(object_class, PROP_PARENT,
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g_param_spec_object (NM_DEVICE_MACVLAN_PARENT, "", "",
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NM_TYPE_DEVICE,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMDeviceMacvlan:mode:
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*
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* The MACVLAN mode.
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*
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* Since: 1.2
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**/
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g_object_class_install_property
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(object_class, PROP_MODE,
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g_param_spec_string (NM_DEVICE_MACVLAN_MODE, "", "",
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NULL,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMDeviceMacvlan:no-promisc:
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*
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* Whether the device has the no-promiscuos flag.
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*
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* Since: 1.2
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**/
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g_object_class_install_property
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(object_class, PROP_NO_PROMISC,
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g_param_spec_boolean (NM_DEVICE_MACVLAN_NO_PROMISC, "", "",
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FALSE,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMDeviceMacvlan:tap:
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*
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* Whether the device is a MACVTAP.
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*
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* Since: 1.2
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**/
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g_object_class_install_property
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(object_class, PROP_TAP,
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g_param_spec_boolean (NM_DEVICE_MACVLAN_TAP, "", "",
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FALSE,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMDeviceMacvlan:hw-address:
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*
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* The hardware (MAC) address of the device.
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*
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* Since: 1.2
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**/
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g_object_class_install_property
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(object_class, PROP_HW_ADDRESS,
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g_param_spec_string (NM_DEVICE_MACVLAN_HW_ADDRESS, "", "",
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NULL,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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}
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