usr.sbin/npppd/npppd/npppd_pool.h

   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