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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* nm-platform.c - Handle runtime kernel networking configuration
 *
 * 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, 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 (C) 2016 Red Hat, Inc.
 */

#ifndef __NMP_NETNS_UTILS_H__
#define __NMP_NETNS_UTILS_H__

/*****************************************************************************/

#define NMP_TYPE_NETNS            (nmp_netns_get_type ())
#define NMP_NETNS(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), NMP_TYPE_NETNS, NMPNetns))
#define NMP_NETNS_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), NMP_TYPE_NETNS, NMPNetnsClass))
#define NMP_IS_NETNS(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NMP_TYPE_NETNS))
#define NMP_IS_NETNS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), NMP_TYPE_NETNS))
#define NMP_NETNS_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), NMP_TYPE_NETNS, NMPNetnsClass))

#define NMP_NETNS_FD_NET          "fd-net"
#define NMP_NETNS_FD_MNT          "fd-mnt"

struct _NMPNetnsPrivate;

struct _NMPNetns {
	GObject parent;
	struct _NMPNetnsPrivate *priv;
};

typedef struct {
	GObjectClass parent;
} NMPNetnsClass;

GType nmp_netns_get_type (void);

NMPNetns *nmp_netns_new (void);

gboolean nmp_netns_push (NMPNetns *self);
gboolean nmp_netns_pop (NMPNetns *self);

NMPNetns *nmp_netns_get_current (void);
NMPNetns *nmp_netns_get_initial (void);
gboolean nmp_netns_is_initial (void);

int nmp_netns_get_fd_net (NMPNetns *self);
int nmp_netns_get_fd_mnt (NMPNetns *self);

static inline void
_nm_auto_pop_netns (NMPNetns **p)
{
	if (*p)
		nmp_netns_pop (*p);
}

#define nm_auto_pop_netns __attribute__((cleanup(_nm_auto_pop_netns)))

#endif /* __NMP_NETNS_UTILS_H__ */