xref: /freebsd/usr.sbin/rtadvd/control.h (revision 3724189620aaf6e91ee1fbad9d3b58289c6bde5b)
1*37241896SHiroki Sato /*-
2*37241896SHiroki Sato  * Copyright (C) 2011 Hiroki Sato <hrs@FreeBSD.org>
3*37241896SHiroki Sato  * All rights reserved.
4*37241896SHiroki Sato  *
5*37241896SHiroki Sato  * Redistribution and use in source and binary forms, with or without
6*37241896SHiroki Sato  * modification, are permitted provided that the following conditions
7*37241896SHiroki Sato  * are met:
8*37241896SHiroki Sato  * 1. Redistributions of source code must retain the above copyright
9*37241896SHiroki Sato  *    notice, this list of conditions and the following disclaimer.
10*37241896SHiroki Sato  * 2. Redistributions in binary form must reproduce the above copyright
11*37241896SHiroki Sato  *    notice, this list of conditions and the following disclaimer in the
12*37241896SHiroki Sato  *    documentation and/or other materials provided with the distribution.
13*37241896SHiroki Sato  *
14*37241896SHiroki Sato  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
15*37241896SHiroki Sato  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*37241896SHiroki Sato  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*37241896SHiroki Sato  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
18*37241896SHiroki Sato  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*37241896SHiroki Sato  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*37241896SHiroki Sato  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*37241896SHiroki Sato  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*37241896SHiroki Sato  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*37241896SHiroki Sato  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*37241896SHiroki Sato  * SUCH DAMAGE.
25*37241896SHiroki Sato  *
26*37241896SHiroki Sato  * $FreeBSD$
27*37241896SHiroki Sato  *
28*37241896SHiroki Sato  */
29*37241896SHiroki Sato 
30*37241896SHiroki Sato #define	SOCK_BACKLOG		5
31*37241896SHiroki Sato 
32*37241896SHiroki Sato #define	CM_MSG_MAXLEN		8192
33*37241896SHiroki Sato #define	CM_VERSION		1
34*37241896SHiroki Sato #define	CM_VERSION_STR		"1.0"
35*37241896SHiroki Sato 
36*37241896SHiroki Sato #define	CM_TYPE_EOM		0
37*37241896SHiroki Sato #define	CM_TYPE_ACK		1
38*37241896SHiroki Sato #define	CM_TYPE_ERR		2
39*37241896SHiroki Sato #define	CM_TYPE_NUL		3
40*37241896SHiroki Sato #define	CM_TYPE_REQ_SET_PROP	4
41*37241896SHiroki Sato #define	CM_TYPE_REQ_GET_PROP	5
42*37241896SHiroki Sato #define	CM_TYPE_MAX		6
43*37241896SHiroki Sato 
44*37241896SHiroki Sato #define	CM_STATE_EOM		0
45*37241896SHiroki Sato #define	CM_STATE_INIT		1
46*37241896SHiroki Sato #define	CM_STATE_MSG_DISPATCH	2
47*37241896SHiroki Sato #define	CM_STATE_MSG_RECV	3
48*37241896SHiroki Sato #define	CM_STATE_ACK_WAIT	4
49*37241896SHiroki Sato 
50*37241896SHiroki Sato struct ctrl_msg_hdr {
51*37241896SHiroki Sato 	int	cm_version;
52*37241896SHiroki Sato 	size_t	cm_len;
53*37241896SHiroki Sato 	int	cm_type;
54*37241896SHiroki Sato };
55*37241896SHiroki Sato 
56*37241896SHiroki Sato struct ctrl_msg_pl {
57*37241896SHiroki Sato 	char	*cp_ifname;
58*37241896SHiroki Sato 	char	*cp_key;
59*37241896SHiroki Sato 
60*37241896SHiroki Sato 	size_t	cp_val_len;
61*37241896SHiroki Sato 	char	*cp_val;
62*37241896SHiroki Sato };
63*37241896SHiroki Sato 
64*37241896SHiroki Sato int	csock_open(struct sockinfo *, mode_t);
65*37241896SHiroki Sato int	csock_close(struct sockinfo *);
66*37241896SHiroki Sato int	csock_listen(struct sockinfo *);
67*37241896SHiroki Sato int	csock_accept(struct sockinfo *);
68*37241896SHiroki Sato int	cmsg_send(int, char *);
69*37241896SHiroki Sato int	cmsg_recv(int, char *);
70*37241896SHiroki Sato 
71*37241896SHiroki Sato size_t			cmsg_pl2bin(char *, struct ctrl_msg_pl *);
72*37241896SHiroki Sato struct ctrl_msg_pl	*cmsg_bin2pl(char *, struct ctrl_msg_pl *);
73*37241896SHiroki Sato size_t			cmsg_str2bin(char *, void *, size_t);
74*37241896SHiroki Sato void			*cmsg_bin2str(char *, void *, size_t);
75