mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
synced 2026-01-21 00:10:28 +01:00
ed0c228187
Instead of hacky stuff in the Manager, let plugins themselves indicate
which links should be ignored (because they are really child links that
are controlled by a different device that the plugin handles).
(cherry picked from commit 8fa0f4690f)
181 lines
5 KiB
C
181 lines
5 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* NetworkManager -- Network link manager
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright 2013 Red Hat, Inc.
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*/
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#include "config.h"
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <linux/sockios.h>
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#include <sys/ioctl.h>
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#include "nm-device-veth.h"
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#include "nm-device-private.h"
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#include "nm-logging.h"
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#include "nm-manager.h"
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#include "nm-platform.h"
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#include "nm-dbus-manager.h"
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#include "nm-device-factory.h"
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#include "nm-device-veth-glue.h"
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#include "nm-device-logging.h"
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_LOG_DECLARE_SELF(NMDeviceVeth);
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G_DEFINE_TYPE (NMDeviceVeth, nm_device_veth, NM_TYPE_DEVICE_ETHERNET)
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#define NM_DEVICE_VETH_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_VETH, NMDeviceVethPrivate))
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typedef struct {
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NMDevice *peer;
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gboolean ever_had_peer;
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} NMDeviceVethPrivate;
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enum {
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PROP_0,
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PROP_PEER,
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LAST_PROP
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};
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/**************************************************************/
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static void
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set_peer (NMDeviceVeth *self, NMDevice *peer)
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{
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NMDeviceVethPrivate *priv = NM_DEVICE_VETH_GET_PRIVATE (self);
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if (!priv->peer) {
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priv->ever_had_peer = TRUE;
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priv->peer = peer;
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g_object_add_weak_pointer (G_OBJECT (peer), (gpointer *) &priv->peer);
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g_object_notify (G_OBJECT (self), NM_DEVICE_VETH_PEER);
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}
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}
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static NMDevice *
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get_peer (NMDeviceVeth *self)
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{
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NMDeviceVethPrivate *priv = NM_DEVICE_VETH_GET_PRIVATE (self);
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NMDevice *device = NM_DEVICE (self), *peer = NULL;
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NMPlatformVethProperties props;
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if (priv->ever_had_peer)
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return priv->peer;
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if (!nm_platform_veth_get_properties (NM_PLATFORM_GET, nm_device_get_ifindex (device), &props)) {
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_LOGW (LOGD_HW, "could not read veth properties");
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return NULL;
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}
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peer = nm_manager_get_device_by_ifindex (nm_manager_get (), props.peer);
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if (peer && NM_IS_DEVICE_VETH (peer)) {
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set_peer (self, peer);
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set_peer (NM_DEVICE_VETH (peer), device);
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}
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return priv->peer;
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}
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/**************************************************************/
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static void
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nm_device_veth_init (NMDeviceVeth *self)
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{
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}
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static void
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dispose (GObject *object)
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{
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NMDeviceVeth *self = NM_DEVICE_VETH (object);
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NMDeviceVethPrivate *priv = NM_DEVICE_VETH_GET_PRIVATE (self);
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if (priv->peer) {
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g_object_remove_weak_pointer (G_OBJECT (priv->peer), (gpointer *) &priv->peer);
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priv->peer = NULL;
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}
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G_OBJECT_CLASS (nm_device_veth_parent_class)->dispose (object);
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}
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static void
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get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec)
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{
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NMDeviceVeth *self = NM_DEVICE_VETH (object);
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NMDevice *peer;
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switch (prop_id) {
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case PROP_PEER:
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peer = get_peer (self);
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g_value_set_boxed (value, peer ? nm_device_get_path (peer) : "/");
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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_veth_class_init (NMDeviceVethClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (NMDeviceVethPrivate));
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object_class->get_property = get_property;
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object_class->dispose = dispose;
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/* properties */
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g_object_class_install_property
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(object_class, PROP_PEER,
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g_param_spec_boxed (NM_DEVICE_VETH_PEER, "", "",
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DBUS_TYPE_G_OBJECT_PATH,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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nm_dbus_manager_register_exported_type (nm_dbus_manager_get (),
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G_TYPE_FROM_CLASS (klass),
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&dbus_glib_nm_device_veth_object_info);
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}
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/*************************************************************/
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#define NM_TYPE_VETH_FACTORY (nm_veth_factory_get_type ())
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#define NM_VETH_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_VETH_FACTORY, NMVethFactory))
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static NMDevice *
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new_link (NMDeviceFactory *factory, NMPlatformLink *plink, gboolean *out_ignore, GError **error)
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{
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return (NMDevice *) g_object_new (NM_TYPE_DEVICE_VETH,
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NM_DEVICE_PLATFORM_DEVICE, plink,
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NM_DEVICE_TYPE_DESC, "Veth",
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NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_ETHERNET,
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NULL);
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}
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NM_DEVICE_FACTORY_DEFINE_INTERNAL (VETH, Veth, veth,
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NM_DEVICE_FACTORY_DECLARE_LINK_TYPES (NM_LINK_TYPE_VETH),
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factory_iface->new_link = new_link;
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)
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