xref: /freebsd/contrib/bsnmp/snmpd/trans_lsock.h (revision e1d581b289848ffa97c452756dc52d45efb68a01)
1 /*
2  * Copyright (c) 2003
3  *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4  *	All rights reserved.
5  *
6  * Author: Harti Brandt <harti@freebsd.org>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $Begemot: bsnmp/snmpd/trans_lsock.h,v 1.3 2004/08/06 08:47:15 brandt Exp $
30  *
31  * Local domain socket transport
32  */
33 
34 enum locp {
35 	LOCP_DGRAM_UNPRIV	= 1,
36 	LOCP_DGRAM_PRIV		= 2,
37 	LOCP_STREAM_UNPRIV	= 3,
38 	LOCP_STREAM_PRIV	= 4,
39 };
40 struct lsock_peer {
41 	LIST_ENTRY(lsock_peer) link;
42 	struct port_input input;
43 	struct sockaddr_un peer;
44 	struct lsock_port *port;	/* parent port */
45 };
46 
47 struct lsock_port {
48 	struct tport	tport;		/* must begin with this */
49 
50 	char		*name;		/* unix path name */
51 	enum locp	type;		/* type of port */
52 
53 	int		str_sock;	/* stream socket */
54 	void		*str_id;	/* select handle */
55 
56 	LIST_HEAD(, lsock_peer) peers;
57 };
58 
59 extern const struct transport_def lsock_trans;
60