Samuel Tan | d7ed851 | 2015-08-13 16:11:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * dhcpcd - DHCP client daemon |
| 3 | * Copyright (c) 2006-2015 Roy Marples <roy@marples.name> |
| 4 | * All rights reserved |
| 5 | |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 25 | * SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef CONTROL_H |
| 29 | #define CONTROL_H |
| 30 | |
| 31 | #include "dhcpcd.h" |
| 32 | |
| 33 | /* Limit queue size per fd */ |
| 34 | #define CONTROL_QUEUE_MAX 100 |
| 35 | |
| 36 | struct fd_data { |
| 37 | TAILQ_ENTRY(fd_data) next; |
| 38 | char *data; |
| 39 | size_t data_len; |
| 40 | uint8_t freeit; |
| 41 | }; |
| 42 | TAILQ_HEAD(fd_data_head, fd_data); |
| 43 | |
| 44 | struct fd_list { |
| 45 | TAILQ_ENTRY(fd_list) next; |
| 46 | struct dhcpcd_ctx *ctx; |
| 47 | int fd; |
| 48 | unsigned int flags; |
| 49 | struct fd_data_head queue; |
| 50 | struct fd_data_head free_queue; |
| 51 | }; |
| 52 | TAILQ_HEAD(fd_list_head, fd_list); |
| 53 | |
| 54 | #define FD_LISTEN (1<<0) |
| 55 | #define FD_UNPRIV (1<<1) |
| 56 | |
| 57 | int control_start(struct dhcpcd_ctx *, const char *); |
| 58 | int control_stop(struct dhcpcd_ctx *); |
| 59 | int control_open(struct dhcpcd_ctx *, const char *); |
| 60 | ssize_t control_send(struct dhcpcd_ctx *, int, char * const *); |
| 61 | int control_queue(struct fd_list *fd, char *data, size_t data_len, uint8_t fit); |
| 62 | void control_close(struct dhcpcd_ctx *ctx); |
| 63 | |
| 64 | #endif |