/*

 * Copyright (c) 2001-2020 Mellanox Technologies, Ltd. All rights reserved.

 *

 * This software is available to you under a choice of one of two

 * licenses.  You may choose to be licensed under the terms of the GNU

 * General Public License (GPL) Version 2, available from the file

 * COPYING in the main directory of this source tree, or the

 * BSD license below:

 *

 *     Redistribution and use in source and binary forms, with or

 *     without modification, are permitted provided that the following

 *     conditions are met:

 *

 *      - Redistributions of source code must retain the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer.

 *

 *      - Redistributions in binary form must reproduce the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer in the documentation and/or other materials

 *        provided with the distribution.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

 * SOFTWARE.

 */

#ifndef NETLINK_COMPATIBILITY_H_

#define NETLINK_COMPATIBILITY_H_

#include <unistd.h>

#include <asm/types.h>

#include <sys/socket.h>

#include <fcntl.h>

#include "config.h"

#include <netlink/netlink.h>

#include <netlink/socket.h>

#include <netlink/object-api.h>

#include <netlink/route/rtnl.h>

#include <netlink/route/route.h>

#include "vma/infra/subject_observer.h"

#include <map>

using namespace std;

extern "C" void link_event_callback(nl_object* obj);

extern "C" void neigh_event_callback(nl_object* obj);

extern "C" void route_event_callback(nl_object* obj);

class netlink_wrapper;

enum e_netlink_event_type

{

	nlgrpNEIGH = 0,

	nlgrpLINK = 1,

	nlgrpROUTE = 2,

	/* TODO: not supported yet

	nlgrpADDRESS=3,

	nlgrpPREFIX=4,

	*/

};

#ifdef HAVE_LIBNL3

typedef struct nl_sock nl_socket_handle;

#define rtnl_compatible_route_get_priority rtnl_route_get_priority

nl_sock* nl_socket_handle_alloc();

void nl_socket_handle_free(struct nl_sock * sock);

void neigh_callback(nl_cache* , nl_object* obj, int, void*);

void link_callback(nl_cache* , nl_object* obj, int, void*);

void route_callback(nl_cache* , nl_object* obj, int, void*);

#else //HAVE_LIBNL1

#define rtnl_compatible_route_get_priority rtnl_route_get_prio

typedef struct nl_handle nl_socket_handle;

nl_handle* nl_socket_handle_alloc();

void nl_socket_handle_free(struct nl_handle* handle);

void neigh_callback(nl_cache* , nl_object* obj, int);

void link_callback(nl_cache* , nl_object* obj, int);

void route_callback(nl_cache* , nl_object* obj, int);

#endif

void nl_socket_handle_disable_seq_check(nl_socket_handle* handle);

nl_cache_mngr* nl_cache_mngr_compatible_alloc(nl_socket_handle* handle, int protocol, int flags);

int nl_cache_mngr_compatible_add(struct nl_cache_mngr*	mngr, const char* name, change_func_t cb, void*	data, struct nl_cache** result);

in_addr_t nl_object_get_compatible_gateway(struct rtnl_route* nl_route_obj);

int nl_object_get_compatible_oif(struct rtnl_route* nl_route_obj);

int nl_object_get_compatible_metric(struct rtnl_route* nl_route_obj, int attr);

#endif /* NETLINK_COMPATIBILITY_H_ */