xref: /onnv-gate/usr/src/cmd/cmd-inet/sbin/dhcpagent/util.h (revision 4106:dd61d0159830)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
53431Scarlsonj  * Common Development and Distribution License (the "License").
63431Scarlsonj  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
210Sstevel@tonic-gate /*
223431Scarlsonj  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
230Sstevel@tonic-gate  * Use is subject to license terms.
240Sstevel@tonic-gate  */
250Sstevel@tonic-gate 
260Sstevel@tonic-gate #ifndef	UTIL_H
270Sstevel@tonic-gate #define	UTIL_H
280Sstevel@tonic-gate 
290Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
300Sstevel@tonic-gate 
310Sstevel@tonic-gate #include <sys/types.h>
320Sstevel@tonic-gate #include <netinet/in.h>
330Sstevel@tonic-gate #include <netinet/dhcp.h>
343431Scarlsonj #include <netinet/dhcp6.h>
350Sstevel@tonic-gate #include <libinetutil.h>
360Sstevel@tonic-gate #include <dhcpagent_ipc.h>
370Sstevel@tonic-gate 
383431Scarlsonj #include "common.h"
393431Scarlsonj 
400Sstevel@tonic-gate /*
410Sstevel@tonic-gate  * general utility functions which have no better home.  see util.c
420Sstevel@tonic-gate  * for documentation on how to use the exported functions.
430Sstevel@tonic-gate  */
440Sstevel@tonic-gate 
450Sstevel@tonic-gate #ifdef	__cplusplus
460Sstevel@tonic-gate extern "C" {
470Sstevel@tonic-gate #endif
480Sstevel@tonic-gate 
493431Scarlsonj struct dhcp_timer_s {
503431Scarlsonj 	iu_timer_id_t	dt_id;
513431Scarlsonj 	lease_t		dt_start;		/* Initial timer value */
523431Scarlsonj };
530Sstevel@tonic-gate 
540Sstevel@tonic-gate /* conversion functions */
553431Scarlsonj const char	*pkt_type_to_string(uchar_t, boolean_t);
560Sstevel@tonic-gate const char	*monosec_to_string(monosec_t);
570Sstevel@tonic-gate time_t		monosec_to_time(monosec_t);
583431Scarlsonj monosec_t	hrtime_to_monosec(hrtime_t);
590Sstevel@tonic-gate 
600Sstevel@tonic-gate /* shutdown handlers */
610Sstevel@tonic-gate void		graceful_shutdown(int);
620Sstevel@tonic-gate void		inactivity_shutdown(iu_tq_t *, void *);
630Sstevel@tonic-gate 
643431Scarlsonj /* timer functions */
653431Scarlsonj void		init_timer(dhcp_timer_t *, lease_t);
663431Scarlsonj boolean_t	cancel_timer(dhcp_timer_t *);
673431Scarlsonj boolean_t	schedule_timer(dhcp_timer_t *, iu_tq_callback_t *, void *);
680Sstevel@tonic-gate 
690Sstevel@tonic-gate /* miscellaneous */
70*4106Scarlsonj boolean_t	add_default_route(uint32_t, struct in_addr *);
71*4106Scarlsonj boolean_t	del_default_route(uint32_t, struct in_addr *);
720Sstevel@tonic-gate int		daemonize(void);
730Sstevel@tonic-gate monosec_t	monosec(void);
743431Scarlsonj void		print_server_msg(dhcp_smach_t *, const char *, uint_t);
753431Scarlsonj boolean_t	bind_sock(int, in_port_t, in_addr_t);
763431Scarlsonj boolean_t	bind_sock_v6(int, in_port_t, const in6_addr_t *);
770Sstevel@tonic-gate const char	*iffile_to_hostname(const char *);
783431Scarlsonj int		dhcpv6_status_code(const dhcpv6_option_t *, uint_t,
793431Scarlsonj     const char **, const char **, uint_t *);
800Sstevel@tonic-gate 
810Sstevel@tonic-gate #ifdef	__cplusplus
820Sstevel@tonic-gate }
830Sstevel@tonic-gate #endif
840Sstevel@tonic-gate 
850Sstevel@tonic-gate #endif	/* UTIL_H */
86