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 * $FreeBSD$ 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); 75