1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (C) 2011 Hiroki Sato <hrs@FreeBSD.org> 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 PROJECT 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 PROJECT 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 */ 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 50struct ctrl_msg_hdr { 51 int cm_version; 52 size_t cm_len; 53 int cm_type; 54}; 55 56struct ctrl_msg_pl { 57 char *cp_ifname; 58 char *cp_key; 59 60 size_t cp_val_len; 61 char *cp_val; 62}; 63 64int csock_open(struct sockinfo *, mode_t); 65int csock_close(struct sockinfo *); 66int csock_listen(struct sockinfo *); 67int csock_accept(struct sockinfo *); 68int cm_send(int, char *); 69int cm_recv(int, char *); 70 71size_t cm_pl2bin(char *, struct ctrl_msg_pl *); 72struct ctrl_msg_pl *cm_bin2pl(char *, struct ctrl_msg_pl *); 73size_t cm_str2bin(char *, void *, size_t); 74void *cm_bin2str(char *, void *, size_t); 75