1*9f20bfa6SDavid van Moolenbroek /* $NetBSD: control.h,v 1.7 2015/01/30 09:47:05 roy Exp $ */ 2*9f20bfa6SDavid van Moolenbroek 3*9f20bfa6SDavid van Moolenbroek /* 4*9f20bfa6SDavid van Moolenbroek * dhcpcd - DHCP client daemon 5*9f20bfa6SDavid van Moolenbroek * Copyright (c) 2006-2015 Roy Marples <roy@marples.name> 6*9f20bfa6SDavid van Moolenbroek * All rights reserved 7*9f20bfa6SDavid van Moolenbroek 8*9f20bfa6SDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without 9*9f20bfa6SDavid van Moolenbroek * modification, are permitted provided that the following conditions 10*9f20bfa6SDavid van Moolenbroek * are met: 11*9f20bfa6SDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright 12*9f20bfa6SDavid van Moolenbroek * notice, this list of conditions and the following disclaimer. 13*9f20bfa6SDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright 14*9f20bfa6SDavid van Moolenbroek * notice, this list of conditions and the following disclaimer in the 15*9f20bfa6SDavid van Moolenbroek * documentation and/or other materials provided with the distribution. 16*9f20bfa6SDavid van Moolenbroek * 17*9f20bfa6SDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18*9f20bfa6SDavid van Moolenbroek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*9f20bfa6SDavid van Moolenbroek * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*9f20bfa6SDavid van Moolenbroek * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21*9f20bfa6SDavid van Moolenbroek * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*9f20bfa6SDavid van Moolenbroek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*9f20bfa6SDavid van Moolenbroek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*9f20bfa6SDavid van Moolenbroek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*9f20bfa6SDavid van Moolenbroek * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*9f20bfa6SDavid van Moolenbroek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*9f20bfa6SDavid van Moolenbroek * SUCH DAMAGE. 28*9f20bfa6SDavid van Moolenbroek */ 29*9f20bfa6SDavid van Moolenbroek 30*9f20bfa6SDavid van Moolenbroek #ifndef CONTROL_H 31*9f20bfa6SDavid van Moolenbroek #define CONTROL_H 32*9f20bfa6SDavid van Moolenbroek 33*9f20bfa6SDavid van Moolenbroek #include "dhcpcd.h" 34*9f20bfa6SDavid van Moolenbroek 35*9f20bfa6SDavid van Moolenbroek /* Limit queue size per fd */ 36*9f20bfa6SDavid van Moolenbroek #define CONTROL_QUEUE_MAX 100 37*9f20bfa6SDavid van Moolenbroek 38*9f20bfa6SDavid van Moolenbroek struct fd_data { 39*9f20bfa6SDavid van Moolenbroek TAILQ_ENTRY(fd_data) next; 40*9f20bfa6SDavid van Moolenbroek char *data; 41*9f20bfa6SDavid van Moolenbroek size_t data_len; 42*9f20bfa6SDavid van Moolenbroek uint8_t freeit; 43*9f20bfa6SDavid van Moolenbroek }; 44*9f20bfa6SDavid van Moolenbroek TAILQ_HEAD(fd_data_head, fd_data); 45*9f20bfa6SDavid van Moolenbroek 46*9f20bfa6SDavid van Moolenbroek struct fd_list { 47*9f20bfa6SDavid van Moolenbroek TAILQ_ENTRY(fd_list) next; 48*9f20bfa6SDavid van Moolenbroek struct dhcpcd_ctx *ctx; 49*9f20bfa6SDavid van Moolenbroek int fd; 50*9f20bfa6SDavid van Moolenbroek unsigned int flags; 51*9f20bfa6SDavid van Moolenbroek struct fd_data_head queue; 52*9f20bfa6SDavid van Moolenbroek struct fd_data_head free_queue; 53*9f20bfa6SDavid van Moolenbroek }; 54*9f20bfa6SDavid van Moolenbroek TAILQ_HEAD(fd_list_head, fd_list); 55*9f20bfa6SDavid van Moolenbroek 56*9f20bfa6SDavid van Moolenbroek #define FD_LISTEN (1<<0) 57*9f20bfa6SDavid van Moolenbroek #define FD_UNPRIV (1<<1) 58*9f20bfa6SDavid van Moolenbroek 59*9f20bfa6SDavid van Moolenbroek int control_start(struct dhcpcd_ctx *, const char *); 60*9f20bfa6SDavid van Moolenbroek int control_stop(struct dhcpcd_ctx *); 61*9f20bfa6SDavid van Moolenbroek int control_open(struct dhcpcd_ctx *, const char *); 62*9f20bfa6SDavid van Moolenbroek ssize_t control_send(struct dhcpcd_ctx *, int, char * const *); 63*9f20bfa6SDavid van Moolenbroek int control_queue(struct fd_list *fd, char *data, size_t data_len, uint8_t fit); 64*9f20bfa6SDavid van Moolenbroek void control_close(struct dhcpcd_ctx *ctx); 65*9f20bfa6SDavid van Moolenbroek 66*9f20bfa6SDavid van Moolenbroek #endif 67