netlink_lib.h

270的linux说明

/*

Copyright (c) 2008, Intel Corporation. 

All rights reserved.

 

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.

    * Neither the name of Intel Corporation nor the names of its contributors 
may be used to endorse or promote products derived from this software without 
specific prior written permission.

 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

*/

#ifndef _NETLINK_LIB_H
#define _NETLINK_LIB_H

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <fcntl.h>
#include <string.h>

#include <asm/types.h>
#include <sys/time.h>
#include <time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <linux/in_route.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>

#include <errno.h>

//netlink APIs
typedef struct netlink_control
{
	int sock;
	struct sockaddr_nl	local_addr;
	struct sockaddr_nl 	remote_addr;
	unsigned long	seq;
} *netlink_control_t;

int netlink_init(netlink_control_t control, unsigned group);

int netlink_open(netlink_control_t control, int protocol);

int netlink_close(netlink_control_t control);

int netlink_send(netlink_control_t control, struct nlmsghdr *nlhdr);

int netlink_recv(netlink_control_t control, char **buf);

int netlink_listen(netlink_control_t control, int (*callback)(netlink_control_t control,struct nlmsghdr *nlhdr));

int netlink_build_hdr(struct nlmsghdr *nlhdr, int type, int flags);

int netlink_hdr_append(struct nlmsghdr **nlhdr, void *data, size_t len);

int netlink_recv_cb(netlink_control_t control, int (*callback)(netlink_control_t control,struct nlmsghdr *nlhdr));

//route netlink APIs
int rt_parse_attr(struct rtattr *attr_table[], struct rtattr *pattr, int len);

#endif