usr.sbin/rtadvd/control.h

   1 /*-
   2  * Copyright (C) 2011 Hiroki Sato <hrs@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: stable/10/usr.sbin/rtadvd/control.h 225519 2011-09-12 23:52:55Z hrs $
  27  *
  28  */
  29
  30 #define SOCK_BACKLOG            5
  31
  32 #define CM_MSG_MAXLEN           8192
  33 #define CM_VERSION              1
  34 #define CM_VERSION_STR          "1.0"
  35
  36 #define CM_TYPE_EOM             0
  37 #define CM_TYPE_ACK             1
  38 #define CM_TYPE_ERR             2
  39 #define CM_TYPE_NUL             3
  40 #define CM_TYPE_REQ_SET_PROP    4
  41 #define CM_TYPE_REQ_GET_PROP    5
  42 #define CM_TYPE_MAX             6
  43
  44 #define CM_STATE_EOM            0
  45 #define CM_STATE_INIT           1
  46 #define CM_STATE_MSG_DISPATCH   2
  47 #define CM_STATE_MSG_RECV       3
  48 #define CM_STATE_ACK_WAIT       4
  49
  50 struct ctrl_msg_hdr {
  51         int     cm_version;
  52         size_t  cm_len;
  53         int     cm_type;
  54 };
  55
  56 struct ctrl_msg_pl {
  57         char    *cp_ifname;
  58         char    *cp_key;
  59
  60         size_t  cp_val_len;
  61         char    *cp_val;
  62 };
  63
  64 int     csock_open(struct sockinfo *, mode_t);
  65 int     csock_close(struct sockinfo *);
  66 int     csock_listen(struct sockinfo *);
  67 int     csock_accept(struct sockinfo *);
  68 int     cm_send(int, char *);
  69 int     cm_recv(int, char *);
  70
  71 size_t                  cm_pl2bin(char *, struct ctrl_msg_pl *);
  72 struct ctrl_msg_pl      *cm_bin2pl(char *, struct ctrl_msg_pl *);
  73 size_t                  cm_str2bin(char *, void *, size_t);
  74 void                    *cm_bin2str(char *, void *, size_t);