libnetlink.h

radius协议源码÷The Radius Stack will connect to a Radius Server. This stack implementation is built upo

#ifndef __LIBNETLINK_H__
#define __LIBNETLINK_H__ 1

#include <linux/netlink.h>
#include <linux/rtnetlink.h>

struct rtnl_handle
{
	int			fd;
	struct sockaddr_nl	local;
	struct sockaddr_nl	peer;
	__u32			seq;
	__u32			dump;
	int 			(*junk)(struct sockaddr_nl *, struct nlmsghdr *n);
};

struct rtnl_dialog
{
	struct sockaddr_nl	peer;
	char			*buf;
	char			*ptr;
	__u32			seq;
	int			buflen;
	int			curlen;
};

#define rtnl_iov_set(a, b) (iov[ct].iov_base = (a), iov[ct].iov_len = (b), ct++)

extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
extern void rtnl_close(struct rtnl_handle *rth);
extern void rtnl_set_junkfilter(struct rtnl_handle *rth,
				int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n),
				int (**o_junk)(struct sockaddr_nl *,struct nlmsghdr *n));
extern int rtnl_wilddump_request(struct rtnl_handle *rth, int family, int type);
extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int reqlen);
extern int rtnl_dump_filter(struct rtnl_handle *rth,
			    int (*filter)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
			    void *arg1);
extern int rtnl_tell(struct rtnl_handle *rtnl, struct nlmsghdr *n);
extern int rtnl_tell_iov(struct rtnl_handle *rtnl, struct iovec *, int iovlen);
extern int rtnl_ask(struct rtnl_handle *rtnl, struct iovec *iov, int iovlen,
		    struct rtnl_dialog *d, char *buf, int len);
extern struct nlmsghdr * rtnl_wait(struct rtnl_handle *rtnl, struct rtnl_dialog *d,
				   int *err);


extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);
extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, void *data, int alen);
extern int rta_addattr_l(struct rtattr *, int maxlen, int type, void *data, int alen);
extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);

#endif /* __LIBNETLINK_H__ */