netifd.h

   1 /*
   2  * netifd - network interface daemon
   3  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #ifndef __NETIFD_H
  15 #define __NETIFD_H
  16
  17 #include <sys/socket.h>
  18 #include <net/if.h>
  19
  20 #include <stdbool.h>
  21 #include <stdio.h>
  22
  23 #include <libubox/uloop.h>
  24 #include <libubox/ustream.h>
  25 #include <libubox/utils.h>
  26
  27 #include <libubus.h>
  28
  29 #ifdef linux
  30 #include <netinet/ether.h>
  31 #else
  32 #include <net/ethernet.h>
  33 #endif
  34
  35 #include "utils.h"
  36
  37 #ifdef DUMMY_MODE
  38 #define DEFAULT_MAIN_PATH       "./examples"
  39 #define DEFAULT_CONFIG_PATH     "./config"
  40 #define DEFAULT_HOTPLUG_PATH    "./examples/hotplug-cmd"
  41 #define DEFAULT_RESOLV_CONF     "./tmp/resolv.conf"
  42 #define DEFAULT_BOARD_JSON      "./config/board.json"
  43 #else
  44 #define DEFAULT_MAIN_PATH       "/lib/netifd"
  45 #define DEFAULT_CONFIG_PATH     NULL /* use the default set in libuci */
  46 #define DEFAULT_HOTPLUG_PATH    "/sbin/hotplug-call"
  47 #define DEFAULT_RESOLV_CONF     "/tmp/resolv.conf.d/resolv.conf.auto"
  48 #define DEFAULT_BOARD_JSON      "/etc/board.json"
  49 #endif
  50
  51 extern const char *resolv_conf;
  52 extern char *hotplug_cmd_path;
  53 extern unsigned int debug_mask;
  54
  55 enum {
  56         L_CRIT,
  57         L_WARNING,
  58         L_NOTICE,
  59         L_INFO,
  60         L_DEBUG
  61 };
  62
  63 enum {
  64         DEBUG_SYSTEM    = 0,
  65         DEBUG_DEVICE    = 1,
  66         DEBUG_INTERFACE = 2,
  67         DEBUG_WIRELESS  = 3,
  68 };
  69
  70 #ifdef DEBUG
  71 #define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
  72 #define D(level, format, ...) do { \
  73                 if (debug_mask & (1 << (DEBUG_ ## level))) \
  74                                 DPRINTF(format, ##__VA_ARGS__); \
  75         } while (0)
  76 #else
  77 #define DPRINTF(format, ...) no_debug(0, format, ## __VA_ARGS__)
  78 #define D(level, format, ...) no_debug(DEBUG_ ## level, format, ## __VA_ARGS__)
  79 #endif
  80
  81 #define LOG_BUF_SIZE    256
  82
  83 static inline void no_debug(int level, const char *fmt, ...)
  84 {
  85 }
  86
  87 struct netifd_process {
  88         struct list_head list;
  89         struct uloop_process uloop;
  90         void (*cb)(struct netifd_process *, int ret);
  91         int dir_fd;
  92
  93         struct ustream_fd log;
  94         const char *log_prefix;
  95         bool log_overflow;
  96 };
  97
  98 void netifd_log_message(int priority, const char *format, ...);
  99
 100 int netifd_start_process(const char **argv, char **env, struct netifd_process *proc);
 101 void netifd_kill_process(struct netifd_process *proc);
 102
 103 struct device;
 104 struct interface;
 105
 106 extern const char *main_path;
 107 extern const char *config_path;
 108 void netifd_restart(void);
 109 int netifd_reload(void);
 110
 111 #endif