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 #include "utils.h"
  30
  31 #ifdef DUMMY_MODE
  32 #define DEFAULT_MAIN_PATH       "./dummy"
  33 #define DEFAULT_HOTPLUG_PATH    "./scripts/hotplug-cmd"
  34 #define DEFAULT_RESOLV_CONF     "./tmp/resolv.conf"
  35 #else
  36 #define DEFAULT_MAIN_PATH       "/lib/netifd"
  37 #define DEFAULT_HOTPLUG_PATH    "/sbin/hotplug-call"
  38 #define DEFAULT_RESOLV_CONF     "/tmp/resolv.conf.auto"
  39 #endif
  40
  41 extern const char *resolv_conf;
  42 extern char *hotplug_cmd_path;
  43 extern unsigned int debug_mask;
  44
  45 enum {
  46         L_CRIT,
  47         L_WARNING,
  48         L_NOTICE,
  49         L_INFO,
  50         L_DEBUG
  51 };
  52
  53 enum {
  54         DEBUG_SYSTEM    = 0,
  55         DEBUG_DEVICE    = 1,
  56         DEBUG_INTERFACE = 2,
  57 };
  58
  59 #ifdef DEBUG
  60 #define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
  61 #define D(level, format, ...) do { \
  62                 if (debug_mask & (1 << (DEBUG_ ## level))) \
  63                                 DPRINTF(format, ##__VA_ARGS__); \
  64         } while (0)
  65 #else
  66 #define DPRINTF(format, ...) no_debug(0, format, ## __VA_ARGS__)
  67 #define D(level, format, ...) no_debug(DEBUG_ ## level, format, ## __VA_ARGS__)
  68 #endif
  69
  70 #define LOG_BUF_SIZE    256
  71
  72 static inline void no_debug(int level, const char *fmt, ...)
  73 {
  74 }
  75
  76 struct netifd_process {
  77         struct list_head list;
  78         struct uloop_process uloop;
  79         void (*cb)(struct netifd_process *, int ret);
  80         int dir_fd;
  81
  82         struct ustream_fd log;
  83         const char *log_prefix;
  84         bool log_overflow;
  85 };
  86
  87 void netifd_log_message(int priority, const char *format, ...);
  88
  89 int netifd_start_process(const char **argv, char **env, struct netifd_process *proc);
  90 void netifd_kill_process(struct netifd_process *proc);
  91
  92 struct device;
  93 struct interface;
  94
  95 extern const char *main_path;
  96 void netifd_restart(void);
  97 void netifd_reload(void);
  98
  99 #endif