| /* |
| * dhcpcd - DHCP client daemon |
| * Copyright (c) 2006-2015 Roy Marples <roy@marples.name> |
| * All rights reserved |
| |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef CONTROL_H |
| #define CONTROL_H |
| |
| #include "dhcpcd.h" |
| |
| /* Limit queue size per fd */ |
| #define CONTROL_QUEUE_MAX 100 |
| |
| struct fd_data { |
| TAILQ_ENTRY(fd_data) next; |
| char *data; |
| size_t data_len; |
| uint8_t freeit; |
| }; |
| TAILQ_HEAD(fd_data_head, fd_data); |
| |
| struct fd_list { |
| TAILQ_ENTRY(fd_list) next; |
| struct dhcpcd_ctx *ctx; |
| int fd; |
| unsigned int flags; |
| struct fd_data_head queue; |
| struct fd_data_head free_queue; |
| }; |
| TAILQ_HEAD(fd_list_head, fd_list); |
| |
| #define FD_LISTEN (1<<0) |
| #define FD_UNPRIV (1<<1) |
| |
| int control_start(struct dhcpcd_ctx *, const char *); |
| int control_stop(struct dhcpcd_ctx *); |
| int control_open(struct dhcpcd_ctx *, const char *); |
| ssize_t control_send(struct dhcpcd_ctx *, int, char * const *); |
| int control_queue(struct fd_list *fd, char *data, size_t data_len, uint8_t fit); |
| void control_close(struct dhcpcd_ctx *ctx); |
| |
| #endif |
