dhcp_network.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _DHCP_NETWORK_H
#define _DHCP_NETWORK_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <dhcp_svc_public.h>
/*
* Implementation-specific data structures for the files dhcp_network
* container. These structures are subject to change at any time.
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* Per-record state describing the underlying record, including its
* position on-disk.
*/
typedef struct dn_recpos {
dn_rec_t dnp_rec; /* traditional record */
size_t dnp_size; /* its size in the file */
off_t dnp_off; /* its starting offset in the file */
} dn_recpos_t;
/*
* Per-record state for the underlying on-disk record representation. Note
* that `dnf_cid' is twice its usual maximum length (plus room for a NUL
* byte) since it doubles in size when converted to ASCII; `dnf_macro' and
* `dnf_comment' are twice their usual maximum length in case we need to
* escape every character in them.
*/
typedef struct dn_filerec {
char dnf_cip[INET_ADDRSTRLEN];
char dnf_cid[DN_MAX_CID_LEN * 2 + 1];
uint16_t dnf_flags;
char dnf_sip[INET_ADDRSTRLEN];
uint32_t dnf_lease;
uint64_t dnf_sig;
char dnf_macro[DSVC_MAX_MACSYM_LEN * 2 + 1];
char dnf_comment[DN_MAX_COMMENT_LEN * 2 + 1];
} dn_filerec_t;
/*
* Per-instance state for each instance of an open_dn()
*/
typedef struct dn_handle {
unsigned int dh_oflags; /* flags passed into open_dn() */
char dh_location[MAXPATHLEN];
ipaddr_t dh_net;
} dn_handle_t;
/*
* Order of the fields in the on-disk record.
*/
enum { DNF_CIP, DNF_CID, DNF_FLAGS, DNF_SIP, DNF_LEASE, DNF_SIG, DNF_MACRO,
DNF_COMMENT };
#define DNF_FIELDS 8 /* number of fields per record */
#define DNF_COMMENT_CHAR '#'
/*
* Constants for use with find_dn()
*/
#define FIND_PARTIAL 0x0001 /* allow partial success */
#define FIND_POSITION 0x0002 /* return dn_recpos_t's */
#ifdef __cplusplus
}
#endif
#endif /* _DHCP_NETWORK_H */