xref: /dragonfly/usr.sbin/rtadvd/control.h (revision c17e6018)
1 /*-
2  * Copyright (C) 2011 Hiroki Sato <hrs@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: stable/10/usr.sbin/rtadvd/control.h 225519 2011-09-12 23:52:55Z hrs $
27  *
28  */
29 
30 #define	SOCK_BACKLOG		5
31 
32 #define	CM_MSG_MAXLEN		8192
33 #define	CM_VERSION		1
34 #define	CM_VERSION_STR		"1.0"
35 
36 #define	CM_TYPE_EOM		0
37 #define	CM_TYPE_ACK		1
38 #define	CM_TYPE_ERR		2
39 #define	CM_TYPE_NUL		3
40 #define	CM_TYPE_REQ_SET_PROP	4
41 #define	CM_TYPE_REQ_GET_PROP	5
42 #define	CM_TYPE_MAX		6
43 
44 #define	CM_STATE_EOM		0
45 #define	CM_STATE_INIT		1
46 #define	CM_STATE_MSG_DISPATCH	2
47 #define	CM_STATE_MSG_RECV	3
48 #define	CM_STATE_ACK_WAIT	4
49 
50 struct ctrl_msg_hdr {
51 	int	cm_version;
52 	size_t	cm_len;
53 	int	cm_type;
54 };
55 
56 struct ctrl_msg_pl {
57 	char	*cp_ifname;
58 	char	*cp_key;
59 
60 	size_t	cp_val_len;
61 	char	*cp_val;
62 };
63 
64 int	csock_open(struct sockinfo *, mode_t);
65 int	csock_close(struct sockinfo *);
66 int	csock_listen(struct sockinfo *);
67 int	csock_accept(struct sockinfo *);
68 int	cm_send(int, char *);
69 int	cm_recv(int, char *);
70 
71 size_t			cm_pl2bin(char *, struct ctrl_msg_pl *);
72 struct ctrl_msg_pl	*cm_bin2pl(char *, struct ctrl_msg_pl *);
73 size_t			cm_str2bin(char *, void *, size_t);
74 void			*cm_bin2str(char *, void *, size_t);
75