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authorMichael Biebl <biebl@debian.org>2014-07-06 02:16:10 +0200
committerMichael Biebl <biebl@debian.org>2014-07-06 02:16:10 +0200
commit33491bc4279481db8ae47213e34a6d695a0e8830 (patch)
tree097d2b0fdff3fae6885381ae5e57a182cd8cbbba /src/devices/nm-device-veth.c
parent59c3714a494c3b3765657c0551ad82842d98a7d2 (diff)
Imported Upstream version 0.9.10.0 upstream/0.9.10.0
Diffstat (limited to 'src/devices/nm-device-veth.c')
-rw-r--r--src/devices/nm-device-veth.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/src/devices/nm-device-veth.c b/src/devices/nm-device-veth.c
new file mode 100644
index 00000000..df107523
--- /dev/null
+++ b/src/devices/nm-device-veth.c
@@ -0,0 +1,171 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Copyright 2013 Red Hat, Inc.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/sockios.h>
+#include <sys/ioctl.h>
+
+#include "nm-device-veth.h"
+#include "nm-device-private.h"
+#include "nm-logging.h"
+#include "nm-manager.h"
+#include "nm-platform.h"
+#include "nm-dbus-manager.h"
+
+#include "nm-device-veth-glue.h"
+
+G_DEFINE_TYPE (NMDeviceVeth, nm_device_veth, NM_TYPE_DEVICE_ETHERNET)
+
+#define NM_DEVICE_VETH_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_VETH, NMDeviceVethPrivate))
+
+typedef struct {
+	NMDevice *peer;
+	gboolean ever_had_peer;
+} NMDeviceVethPrivate;
+
+enum {
+	PROP_0,
+	PROP_PEER,
+
+	LAST_PROP
+};
+
+/**************************************************************/
+
+static void
+set_peer (NMDeviceVeth *self, NMDevice *peer)
+{
+	NMDeviceVethPrivate *priv = NM_DEVICE_VETH_GET_PRIVATE (self);
+
+	if (!priv->peer) {
+		priv->ever_had_peer = TRUE;
+		priv->peer = peer;
+		g_object_add_weak_pointer (G_OBJECT (peer), (gpointer *) &priv->peer);
+
+		g_object_notify (G_OBJECT (self), NM_DEVICE_VETH_PEER);
+	}
+}
+
+static NMDevice *
+get_peer (NMDeviceVeth *self)
+{
+	NMDeviceVethPrivate *priv = NM_DEVICE_VETH_GET_PRIVATE (self);
+	NMDevice *device = NM_DEVICE (self), *peer = NULL;
+	NMPlatformVethProperties props;
+
+	if (priv->ever_had_peer)
+		return priv->peer;
+
+	if (!nm_platform_veth_get_properties (nm_device_get_ifindex (device), &props)) {
+		nm_log_warn (LOGD_HW, "(%s): could not read veth properties",
+		             nm_device_get_iface (device));
+		return NULL;
+	}
+
+	peer = nm_manager_get_device_by_ifindex (nm_manager_get (), props.peer);
+	if (peer && NM_IS_DEVICE_VETH (peer)) {
+		set_peer (self, peer);
+		set_peer (NM_DEVICE_VETH (peer), device);
+	}
+
+	return priv->peer;
+}
+
+
+/**************************************************************/
+
+NMDevice *
+nm_device_veth_new (NMPlatformLink *platform_device)
+{
+	g_return_val_if_fail (platform_device != NULL, NULL);
+
+	return (NMDevice *) g_object_new (NM_TYPE_DEVICE_VETH,
+	                                  NM_DEVICE_PLATFORM_DEVICE, platform_device,
+	                                  NM_DEVICE_TYPE_DESC, "Veth",
+	                                  NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_ETHERNET,
+	                                  NULL);
+}
+
+static void
+nm_device_veth_init (NMDeviceVeth *self)
+{
+	nm_device_set_initial_unmanaged_flag (NM_DEVICE (self), NM_UNMANAGED_DEFAULT, TRUE);
+}
+
+static void
+dispose (GObject *object)
+{
+	NMDeviceVeth *self = NM_DEVICE_VETH (object);
+	NMDeviceVethPrivate *priv = NM_DEVICE_VETH_GET_PRIVATE (self);
+
+	if (priv->peer) {
+		g_object_remove_weak_pointer (G_OBJECT (priv->peer), (gpointer *) &priv->peer);
+		priv->peer = NULL;
+	}
+
+	G_OBJECT_CLASS (nm_device_veth_parent_class)->dispose (object);
+}
+
+static void
+get_property (GObject *object, guint prop_id,
+              GValue *value, GParamSpec *pspec)
+{
+	NMDeviceVeth *self = NM_DEVICE_VETH (object);
+	NMDevice *peer;
+
+	switch (prop_id) {
+	case PROP_PEER:
+		peer = get_peer (self);
+		g_value_set_boxed (value, peer ? nm_device_get_path (peer) : "/");
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+nm_device_veth_class_init (NMDeviceVethClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	g_type_class_add_private (klass, sizeof (NMDeviceVethPrivate));
+
+	object_class->get_property = get_property;
+	object_class->dispose = dispose;
+
+	/* properties */
+	g_object_class_install_property
+		(object_class, PROP_PEER,
+		 g_param_spec_boxed (NM_DEVICE_VETH_PEER,
+		                     "Peer",
+		                     "Peer device",
+		                     DBUS_TYPE_G_OBJECT_PATH,
+		                     G_PARAM_READABLE));
+
+	nm_dbus_manager_register_exported_type (nm_dbus_manager_get (),
+	                                        G_TYPE_FROM_CLASS (klass),
+	                                        &dbus_glib_nm_device_veth_object_info);
+}