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      1 /*
      2  * netlink/socket.h		Netlink Socket
      3  *
      4  *	This library is free software; you can redistribute it and/or
      5  *	modify it under the terms of the GNU Lesser General Public
      6  *	License as published by the Free Software Foundation version 2.1
      7  *	of the License.
      8  *
      9  * Copyright (c) 2003-2008 Thomas Graf <tgraf (at) suug.ch>
     10  */
     11 
     12 #ifndef NETLINK_SOCKET_H_
     13 #define NETLINK_SOCKET_H_
     14 
     15 #include <netlink/types.h>
     16 #include <netlink/handlers.h>
     17 
     18 #ifdef __cplusplus
     19 extern "C" {
     20 #endif
     21 
     22 extern struct nl_sock *	nl_socket_alloc(void);
     23 extern struct nl_sock *	nl_socket_alloc_cb(struct nl_cb *);
     24 extern void		nl_socket_free(struct nl_sock *);
     25 
     26 extern uint32_t		nl_socket_get_local_port(const struct nl_sock *);
     27 extern void		nl_socket_set_local_port(struct nl_sock *, uint32_t);
     28 
     29 extern int		nl_socket_add_memberships(struct nl_sock *, int, ...);
     30 extern int		nl_socket_add_membership(struct nl_sock *, int);
     31 extern int		nl_socket_drop_memberships(struct nl_sock *, int, ...);
     32 extern int		nl_socket_drop_membership(struct nl_sock *,
     33 							  int);
     34 extern void		nl_join_groups(struct nl_sock *, int);
     35 
     36 
     37 extern uint32_t		nl_socket_get_peer_port(const struct nl_sock *);
     38 extern void		nl_socket_set_peer_port(struct nl_sock *,
     39 							uint32_t);
     40 extern uint32_t 	nl_socket_get_peer_groups(const struct nl_sock *sk);
     41 extern void 		nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups);
     42 extern struct nl_cb *	nl_socket_get_cb(const struct nl_sock *);
     43 extern void		nl_socket_set_cb(struct nl_sock *,
     44 						 struct nl_cb *);
     45 extern int		nl_socket_modify_cb(struct nl_sock *, enum nl_cb_type,
     46 					    enum nl_cb_kind,
     47 					    nl_recvmsg_msg_cb_t, void *);
     48 extern int nl_socket_modify_err_cb(struct nl_sock *, enum nl_cb_kind,
     49 				   nl_recvmsg_err_cb_t, void *);
     50 
     51 extern int		nl_socket_set_buffer_size(struct nl_sock *, int, int);
     52 extern int		nl_socket_set_msg_buf_size(struct nl_sock *, size_t);
     53 extern size_t		nl_socket_get_msg_buf_size(struct nl_sock *);
     54 extern int		nl_socket_set_passcred(struct nl_sock *, int);
     55 extern int		nl_socket_recv_pktinfo(struct nl_sock *, int);
     56 
     57 extern void		nl_socket_disable_seq_check(struct nl_sock *);
     58 extern unsigned int	nl_socket_use_seq(struct nl_sock *);
     59 extern void		nl_socket_disable_auto_ack(struct nl_sock *);
     60 extern void		nl_socket_enable_auto_ack(struct nl_sock *);
     61 
     62 extern int		nl_socket_get_fd(const struct nl_sock *);
     63 extern int		nl_socket_set_nonblocking(const struct nl_sock *);
     64 extern void		nl_socket_enable_msg_peek(struct nl_sock *);
     65 extern void		nl_socket_disable_msg_peek(struct nl_sock *);
     66 
     67 #ifdef __cplusplus
     68 }
     69 #endif
     70 
     71 #endif
     72