1/*
2 * Copyright (c) 2001-2003
3 *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4 *	All rights reserved.
5 *
6 * Author: Harti Brandt <harti@freebsd.org>
7 *
8 * Redistribution of this software and documentation and use in source and
9 * binary forms, with or without modification, are permitted provided that
10 * the following conditions are met:
11 *
12 * 1. Redistributions of source code or documentation must retain the above
13 *    copyright notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY FRAUNHOFER FOKUS
19 * AND ITS CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
22 * FRAUNHOFER FOKUS OR ITS CONTRIBUTORS  BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
25 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 *
32 * Netgraph interface for SNMPd. Exported stuff.
33 */
34#ifndef SNMP_NETGRAPH_H_
35#define SNMP_NETGRAPH_H_
36
37#include <netgraph/ng_message.h>
38
39extern ng_ID_t	snmp_node;
40extern u_char *snmp_nodename;
41
42typedef void ng_cookie_f(const struct ng_mesg *, const char *, ng_ID_t, void *);
43typedef void ng_hook_f(const char *, const u_char *, size_t, void *);
44
45void *ng_register_cookie(const struct lmodule *, u_int32_t cookie,
46    ng_ID_t, ng_cookie_f *, void *);
47void ng_unregister_cookie(void *reg);
48
49void *ng_register_hook(const struct lmodule *, const char *,
50    ng_hook_f *, void *);
51void ng_unregister_hook(void *reg);
52
53void ng_unregister_module(const struct lmodule *);
54
55int ng_output(const char *path, u_int cookie, u_int opcode,
56    const void *arg, size_t arglen);
57int ng_output_node(const char *node, u_int cookie, u_int opcode,
58    const void *arg, size_t arglen);
59int ng_output_id(ng_ID_t node, u_int cookie, u_int opcode,
60    const void *arg, size_t arglen);
61
62struct ng_mesg *ng_dialog(const char *path, u_int cookie, u_int opcode,
63    const void *arg, size_t arglen);
64struct ng_mesg *ng_dialog_node(const char *node, u_int cookie, u_int opcode,
65    const void *arg, size_t arglen);
66struct ng_mesg *ng_dialog_id(ng_ID_t id, u_int cookie, u_int opcode,
67    const void *arg, size_t arglen);
68
69int ng_send_data(const char *hook, const void *sndbuf, size_t sndlen);
70
71ng_ID_t ng_mkpeer_id(ng_ID_t, const char *name, const char *type,
72    const char *hook, const char *peerhook);
73int ng_connect_node(const char *node, const char *ourhook, const char *peerhook);
74int ng_connect_id(ng_ID_t id, const char *ourhook, const char *peerhook);
75int ng_connect2_id(ng_ID_t id, ng_ID_t peer, const char *ourhook,
76    const char *peerhook);
77int ng_connect2_tee_id(ng_ID_t id, ng_ID_t peer, const char *ourhook,
78    const char *peerhook);
79int ng_rmhook(const char *ourhook);
80int ng_rmhook_id(ng_ID_t, const char *);
81int ng_rmhook_tee_id(ng_ID_t, const char *);
82int ng_shutdown_id(ng_ID_t);
83
84ng_ID_t ng_next_node_id(ng_ID_t node, const char *type, const char *hook);
85ng_ID_t ng_node_id(const char *path);
86ng_ID_t ng_node_id_node(const char *node);
87ng_ID_t ng_node_name(ng_ID_t, char *);
88ng_ID_t ng_node_type(ng_ID_t, char *);
89int ng_peer_hook_id(ng_ID_t, const char *, char *);
90
91#endif
92