NetworkManager/libnm/nm-device-bridge.c
2018-07-10 13:12:02 +02:00

266 lines
7.2 KiB
C

/* -*- 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 2012 Red Hat, Inc.
*/
#include "nm-default.h"
#include <string.h>
#include "nm-setting-connection.h"
#include "nm-setting-bridge.h"
#include "nm-utils.h"
#include "nm-device-bridge.h"
#include "nm-object-private.h"
#include "nm-core-internal.h"
G_DEFINE_TYPE (NMDeviceBridge, nm_device_bridge, NM_TYPE_DEVICE)
#define NM_DEVICE_BRIDGE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_BRIDGE, NMDeviceBridgePrivate))
typedef struct {
char *hw_address;
gboolean carrier;
GPtrArray *slaves;
} NMDeviceBridgePrivate;
enum {
PROP_0,
PROP_HW_ADDRESS,
PROP_CARRIER,
PROP_SLAVES,
LAST_PROP
};
/**
* nm_device_bridge_get_hw_address:
* @device: a #NMDeviceBridge
*
* Gets the hardware (MAC) address of the #NMDeviceBridge
*
* Returns: the hardware address. This is the internal string used by the
* device, and must not be modified.
**/
const char *
nm_device_bridge_get_hw_address (NMDeviceBridge *device)
{
g_return_val_if_fail (NM_IS_DEVICE_BRIDGE (device), NULL);
return nm_str_not_empty (NM_DEVICE_BRIDGE_GET_PRIVATE (device)->hw_address);
}
/**
* nm_device_bridge_get_carrier:
* @device: a #NMDeviceBridge
*
* Whether the device has carrier.
*
* Returns: %TRUE if the device has carrier
**/
gboolean
nm_device_bridge_get_carrier (NMDeviceBridge *device)
{
g_return_val_if_fail (NM_IS_DEVICE_BRIDGE (device), FALSE);
return NM_DEVICE_BRIDGE_GET_PRIVATE (device)->carrier;
}
/**
* nm_device_bridge_get_slaves:
* @device: a #NMDeviceBridge
*
* 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_bridge_get_slaves (NMDeviceBridge *device)
{
g_return_val_if_fail (NM_IS_DEVICE_BRIDGE (device), FALSE);
return NM_DEVICE_BRIDGE_GET_PRIVATE (device)->slaves;
}
static gboolean
connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
{
if (!NM_DEVICE_CLASS (nm_device_bridge_parent_class)->connection_compatible (device, connection, error))
return FALSE;
if (!nm_connection_is_type (connection, NM_SETTING_BRIDGE_SETTING_NAME)) {
if ( _nm_connection_get_setting_bluetooth_for_nap (connection)
&& nm_connection_is_type (connection, NM_SETTING_BLUETOOTH_SETTING_NAME)) {
/* a bluetooth NAP setting is a compatible connection for a bridge. */
} else {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
_("The connection was not a bridge connection."));
return FALSE;
}
}
/* FIXME: check ports? */
return TRUE;
}
static GType
get_setting_type (NMDevice *device)
{
return NM_TYPE_SETTING_BRIDGE;
}
static const char *
get_hw_address (NMDevice *device)
{
return nm_device_bridge_get_hw_address (NM_DEVICE_BRIDGE (device));
}
/*****************************************************************************/
static void
nm_device_bridge_init (NMDeviceBridge *device)
{
NMDeviceBridgePrivate *priv = NM_DEVICE_BRIDGE_GET_PRIVATE (device);
priv->slaves = g_ptr_array_new ();
}
static void
init_dbus (NMObject *object)
{
NMDeviceBridgePrivate *priv = NM_DEVICE_BRIDGE_GET_PRIVATE (object);
const NMPropertiesInfo property_info[] = {
{ NM_DEVICE_BRIDGE_HW_ADDRESS, &priv->hw_address },
{ NM_DEVICE_BRIDGE_CARRIER, &priv->carrier },
{ NM_DEVICE_BRIDGE_SLAVES, &priv->slaves, NULL, NM_TYPE_DEVICE },
{ NULL },
};
NM_OBJECT_CLASS (nm_device_bridge_parent_class)->init_dbus (object);
_nm_object_register_properties (object,
NM_DBUS_INTERFACE_DEVICE_BRIDGE,
property_info);
}
static void
dispose (GObject *object)
{
NMDeviceBridgePrivate *priv = NM_DEVICE_BRIDGE_GET_PRIVATE (object);
g_clear_pointer (&priv->slaves, g_ptr_array_unref);
G_OBJECT_CLASS (nm_device_bridge_parent_class)->dispose (object);
}
static void
finalize (GObject *object)
{
NMDeviceBridgePrivate *priv = NM_DEVICE_BRIDGE_GET_PRIVATE (object);
g_free (priv->hw_address);
G_OBJECT_CLASS (nm_device_bridge_parent_class)->finalize (object);
}
static void
get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
NMDeviceBridge *device = NM_DEVICE_BRIDGE (object);
switch (prop_id) {
case PROP_HW_ADDRESS:
g_value_set_string (value, nm_device_bridge_get_hw_address (device));
break;
case PROP_CARRIER:
g_value_set_boolean (value, nm_device_bridge_get_carrier (device));
break;
case PROP_SLAVES:
g_value_take_boxed (value, _nm_utils_copy_object_array (nm_device_bridge_get_slaves (device)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nm_device_bridge_class_init (NMDeviceBridgeClass *bridge_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (bridge_class);
NMObjectClass *nm_object_class = NM_OBJECT_CLASS (bridge_class);
NMDeviceClass *device_class = NM_DEVICE_CLASS (bridge_class);
g_type_class_add_private (bridge_class, sizeof (NMDeviceBridgePrivate));
/* virtual methods */
object_class->dispose = dispose;
object_class->finalize = finalize;
object_class->get_property = get_property;
nm_object_class->init_dbus = init_dbus;
device_class->connection_compatible = connection_compatible;
device_class->get_setting_type = get_setting_type;
device_class->get_hw_address = get_hw_address;
/* properties */
/**
* NMDeviceBridge: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_BRIDGE_HW_ADDRESS, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/**
* NMDeviceBridge:carrier:
*
* Whether the device has carrier.
**/
g_object_class_install_property
(object_class, PROP_CARRIER,
g_param_spec_boolean (NM_DEVICE_BRIDGE_CARRIER, "", "",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/**
* NMDeviceBridge:slaves: (type GPtrArray(NMDevice))
*
* The devices enslaved to the bridge device.
**/
g_object_class_install_property
(object_class, PROP_SLAVES,
g_param_spec_boxed (NM_DEVICE_BRIDGE_SLAVES, "", "",
G_TYPE_PTR_ARRAY,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
}