xref: /openbsd/usr.sbin/npppd/npppd/npppd_pool.h (revision 7a7bab9d)
1 /*	$OpenBSD: npppd_pool.h,v 1.4 2012/05/08 13:15:12 yasuoka Exp $ */
2 
3 /*-
4  * Copyright (c) 2009 Internet Initiative Japan Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 #ifndef	NPPPD_POOL_H
29 #define	NPPPD_POOL_H 1
30 
31 typedef struct _npppd_pool npppd_pool;
32 
33 #define	ADDRESS_OK		0	/** address is assignable. */
34 #define	ADDRESS_RESERVED	1	/** address is reserved. */
35 #define	ADDRESS_BUSY		2	/** address is busy. */
36 #define	ADDRESS_INVALID		3	/** address is unusable. */
37 #define	ADDRESS_OUT_OF_POOL	4	/** address is out of pool. */
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 
44 int       npppd_pool_init (npppd_pool *, npppd *, const char *);
45 int       npppd_pool_start (npppd_pool *);
46 int       npppd_pool_reload (npppd_pool *);
47 void      npppd_pool_uninit (npppd_pool *);
48 
49 int       npppd_pool_get_assignability (npppd_pool *, uint32_t, uint32_t, struct sockaddr_npppd **);
50 uint32_t  npppd_pool_get_dynamic (npppd_pool *, npppd_ppp *);
51 int       npppd_pool_assign_ip (npppd_pool *, npppd_ppp *);
52 void      npppd_pool_release_ip (npppd_pool *, npppd_ppp *);
53 
54 #ifdef __cplusplus
55 }
56 #endif
57 #endif
58