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/*
* libvirt-gobject-domain-interface.c: libvirt gobject integration
*
* Copyright (C) 2011 Red Hat, Inc.
*
* 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 2.1 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, see
* <http://www.gnu.org/licenses/>.
*
* Author: Marc-André Lureau <marcandre.lureau@redhat.com>
*/
#include <config.h>
#include <libvirt/virterror.h>
#include <string.h>
#include "libvirt-glib/libvirt-glib.h"
#include "libvirt-gobject/libvirt-gobject.h"
#include "libvirt-gobject-compat.h"
#include "libvirt-gobject/libvirt-gobject-domain-device-private.h"
#define GVIR_DOMAIN_INTERFACE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_DOMAIN_INTERFACE, GVirDomainInterfacePrivate))
struct _GVirDomainInterfacePrivate
{
gboolean unused;
};
G_DEFINE_TYPE(GVirDomainInterface, gvir_domain_interface, GVIR_TYPE_DOMAIN_DEVICE);
#define GVIR_DOMAIN_INTERFACE_ERROR gvir_domain_interface_error_quark()
static GQuark
gvir_domain_interface_error_quark(void)
{
return g_quark_from_static_string("gvir-domain-interface");
}
static void gvir_domain_interface_finalize(GObject *object)
{
GVirDomainInterface *self = GVIR_DOMAIN_INTERFACE(object);
g_debug("Finalize GVirDomainInterface=%p", self);
G_OBJECT_CLASS(gvir_domain_interface_parent_class)->finalize(object);
}
static void gvir_domain_interface_class_init(GVirDomainInterfaceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gvir_domain_interface_finalize;
g_type_class_add_private(klass, sizeof(GVirDomainInterfacePrivate));
}
static void gvir_domain_interface_init(GVirDomainInterface *self)
{
g_debug("Init GVirDomainInterface=%p", self);
self->priv = GVIR_DOMAIN_INTERFACE_GET_PRIVATE(self);
}
static GVirDomainInterfaceStats *
gvir_domain_interface_stats_copy(GVirDomainInterfaceStats *stats)
{
return g_slice_dup(GVirDomainInterfaceStats, stats);
}
static void
gvir_domain_interface_stats_free(GVirDomainInterfaceStats *stats)
{
g_slice_free(GVirDomainInterfaceStats, stats);
}
G_DEFINE_BOXED_TYPE(GVirDomainInterfaceStats, gvir_domain_interface_stats,
gvir_domain_interface_stats_copy, gvir_domain_interface_stats_free)
static const gchar *gvir_domain_interface_get_path(GVirDomainInterface *self)
{
GVirConfigDomainDevice *config;
const gchar *path = NULL;
config = gvir_domain_device_get_config(GVIR_DOMAIN_DEVICE(self));
if (GVIR_CONFIG_IS_DOMAIN_INTERFACE_USER(self))
/* FIXME: One of the limitations of user-mode networking of libvirt */
g_debug("Statistics gathering for user-mode network not yet supported");
else
path = gvir_config_domain_interface_get_ifname(GVIR_CONFIG_DOMAIN_INTERFACE (config));
g_object_unref (config);
return path;
}
/**
* gvir_domain_interface_get_stats:
* @self: the domain interface
* @err: an error
*
* This function returns network interface stats. Individual fields
* within the stats structure may be returned as -1, which indicates
* that the hypervisor does not support that particular statistic.
*
* Returns: (transfer full): the stats or %NULL in case of error. The
* returned object should be unreffed with g_object_unref() when no longer
* needed.
**/
GVirDomainInterfaceStats *gvir_domain_interface_get_stats(GVirDomainInterface *self, GError **err)
{
GVirDomainInterfaceStats *ret = NULL;
virDomainInterfaceStatsStruct stats;
virDomainPtr handle;
const gchar *path;
g_return_val_if_fail(GVIR_IS_DOMAIN_INTERFACE(self), NULL);
g_return_val_if_fail(err == NULL || *err == NULL, NULL);
handle = gvir_domain_device_get_domain_handle(GVIR_DOMAIN_DEVICE(self));
path = gvir_domain_interface_get_path (self);
if (path == NULL) {
ret = g_slice_new0(GVirDomainInterfaceStats);
goto end;
}
if (virDomainInterfaceStats(handle, path, &stats, sizeof (stats)) < 0) {
gvir_set_error_literal(err, GVIR_DOMAIN_INTERFACE_ERROR,
0,
"Unable to get domain interface stats");
goto end;
}
ret = g_slice_new(GVirDomainInterfaceStats);
ret->rx_bytes = stats.rx_bytes;
ret->rx_packets = stats.rx_packets;
ret->rx_errs = stats.rx_errs;
ret->rx_drop = stats.rx_drop;
ret->tx_bytes = stats.tx_bytes;
ret->tx_packets = stats.tx_packets;
ret->tx_errs = stats.tx_errs;
ret->tx_drop = stats.tx_drop;
end:
virDomainFree(handle);
return ret;
}
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