1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25#ifndef	UTIL_H
26#define	UTIL_H
27
28#include <sys/types.h>
29#include <netinet/in.h>
30#include <netinet/dhcp.h>
31#include <netinet/dhcp6.h>
32#include <libinetutil.h>
33#include <dhcpagent_ipc.h>
34
35#include "common.h"
36
37/*
38 * general utility functions which have no better home.  see util.c
39 * for documentation on how to use the exported functions.
40 */
41
42#ifdef	__cplusplus
43extern "C" {
44#endif
45
46struct dhcp_timer_s {
47	iu_timer_id_t	dt_id;
48	lease_t		dt_start;		/* Initial timer value */
49};
50
51/* conversion functions */
52const char	*pkt_type_to_string(uchar_t, boolean_t);
53const char	*monosec_to_string(monosec_t);
54time_t		monosec_to_time(monosec_t);
55monosec_t	hrtime_to_monosec(hrtime_t);
56
57/* shutdown handlers */
58void		graceful_shutdown(int);
59void		inactivity_shutdown(iu_tq_t *, void *);
60
61/* timer functions */
62void		init_timer(dhcp_timer_t *, lease_t);
63boolean_t	cancel_timer(dhcp_timer_t *);
64boolean_t	schedule_timer(dhcp_timer_t *, iu_tq_callback_t *, void *);
65
66/* miscellaneous */
67boolean_t	add_default_route(uint32_t, struct in_addr *);
68boolean_t	del_default_route(uint32_t, struct in_addr *);
69int		daemonize(void);
70monosec_t	monosec(void);
71void		print_server_msg(dhcp_smach_t *, const char *, uint_t);
72boolean_t	bind_sock(int, in_port_t, in_addr_t);
73boolean_t	bind_sock_v6(int, in_port_t, const in6_addr_t *);
74const char	*iffile_to_hostname(const char *);
75int		dhcpv6_status_code(const dhcpv6_option_t *, uint_t,
76    const char **, const char **, uint_t *);
77void		write_lease_to_hostconf(dhcp_smach_t *);
78
79#ifdef	__cplusplus
80}
81#endif
82
83#endif	/* UTIL_H */
84