contrib/dhcpcd/src/dev.h

   1 /* SPDX-License-Identifier: BSD-2-Clause */
   2 /*
   3  * dhcpcd - DHCP client daemon
   4  * Copyright (c) 2006-2019 Roy Marples <roy@marples.name>
   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 DEV_H
  29 #define DEV_H
  30
  31 // dev plugin setup
  32 struct dev {
  33         const char *name;
  34         int (*initialized)(const char *);
  35         int (*listening)(void);
  36         int (*handle_device)(void *);
  37         int (*start)(void);
  38         void (*stop)(void);
  39 };
  40
  41 struct dev_dhcpcd {
  42         int (*handle_interface)(void *, int, const char *);
  43 };
  44
  45 int dev_init(struct dev *, const struct dev_dhcpcd *);
  46
  47 // hooks for dhcpcd
  48 #ifdef PLUGIN_DEV
  49 #include "dhcpcd.h"
  50 int dev_initialized(struct dhcpcd_ctx *, const char *);
  51 int dev_listening(struct dhcpcd_ctx *);
  52 int dev_start(struct dhcpcd_ctx *);
  53 void dev_stop(struct dhcpcd_ctx *);
  54 #else
  55 #define dev_initialized(a, b) (1)
  56 #define dev_listening(a) (0)
  57 #define dev_start(a) {}
  58 #define dev_stop(a) {}
  59 #endif
  60
  61 #endif