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 #include <udebug.h>
  29
  30 #ifdef linux
  31 #include <netinet/ether.h>
  32 #else
  33 #include <net/ethernet.h>
  34 #endif
  35
  36 #include "utils.h"
  37
  38 #ifdef DUMMY_MODE
  39 #define DEFAULT_MAIN_PATH       "./examples"
  40 #define DEFAULT_CONFIG_PATH     "./config"
  41 #define DEFAULT_HOTPLUG_PATH    "./examples/hotplug-cmd"
  42 #define DEFAULT_RESOLV_CONF     "./tmp/resolv.conf"
  43 #define DEFAULT_BOARD_JSON      "./config/board.json"
  44 #else
  45 #define DEFAULT_MAIN_PATH       "/lib/netifd"
  46 #define DEFAULT_CONFIG_PATH     NULL /* use the default set in libuci */
  47 #define DEFAULT_HOTPLUG_PATH    "/sbin/hotplug-call"
  48 #define DEFAULT_RESOLV_CONF     "/tmp/resolv.conf.d/resolv.conf.auto"
  49 #define DEFAULT_BOARD_JSON      "/etc/board.json"
  50 #endif
  51
  52 extern const char *resolv_conf;
  53 extern char *hotplug_cmd_path;
  54 extern unsigned int debug_mask;
  55 extern struct udebug_buf udb_nl;
  56
  57 enum {
  58         L_CRIT,
  59         L_WARNING,
  60         L_NOTICE,
  61         L_INFO,
  62         L_DEBUG
  63 };
  64
  65 enum {
  66         DEBUG_SYSTEM    = 0,
  67         DEBUG_DEVICE    = 1,
  68         DEBUG_INTERFACE = 2,
  69         DEBUG_WIRELESS  = 3,
  70 };
  71
  72 #ifdef DEBUG
  73 #define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
  74 #define D(level, format, ...) do { \
  75                 netifd_udebug_printf("[" #level "] %s(%d): " format,  __func__, __LINE__, ## __VA_ARGS__); \
  76                 if (debug_mask & (1 << (DEBUG_ ## level))) { \
  77                         DPRINTF(format, ##__VA_ARGS__); \
  78                         fprintf(stderr, "\n"); \
  79                 } \
  80         } while (0)
  81 #else
  82 #define DPRINTF(format, ...) no_debug(0, format, ## __VA_ARGS__)
  83 #define D(level, format, ...) no_debug(DEBUG_ ## level, format, ## __VA_ARGS__)
  84 #endif
  85
  86 #define LOG_BUF_SIZE    256
  87
  88 static inline void no_debug(int level, const char *fmt, ...)
  89 {
  90 }
  91
  92 struct netifd_process {
  93         struct list_head list;
  94         struct uloop_process uloop;
  95         void (*cb)(struct netifd_process *, int ret);
  96         int dir_fd;
  97
  98         struct ustream_fd log;
  99         const char *log_prefix;
 100         bool log_overflow;
 101 };
 102
 103 void netifd_udebug_printf(const char *format, ...);
 104 void netifd_udebug_config(struct udebug_ubus *ctx, struct blob_attr *data,
 105                           bool enabled);
 106 void netifd_log_message(int priority, const char *format, ...);
 107
 108 int netifd_start_process(const char **argv, char **env, struct netifd_process *proc);
 109 void netifd_kill_process(struct netifd_process *proc);
 110
 111 struct device;
 112 struct interface;
 113
 114 extern const char *main_path;
 115 extern const char *config_path;
 116 void netifd_restart(void);
 117 int netifd_reload(void);
 118
 119 #endif