netifd.h

   1 #ifndef __NETIFD_H
   2 #define __NETIFD_H
   3
   4 #include <sys/socket.h>
   5 #include <net/if.h>
   6
   7 #include <stdbool.h>
   8 #include <stdio.h>
   9
  10 #include <libubox/uloop.h>
  11
  12 #include <libubus.h>
  13
  14 #include "utils.h"
  15
  16 #ifdef DUMMY_MODE
  17 #define DEFAULT_MAIN_PATH       "./dummy"
  18 #define DEFAULT_HOTPLUG_PATH    "./scripts/hotplug-cmd"
  19 #define DEFAULT_RESOLV_CONF     "./tmp/resolv.conf"
  20 #else
  21 #define DEFAULT_MAIN_PATH       "/lib/netifd"
  22 #define DEFAULT_HOTPLUG_PATH    "/sbin/hotplug-cmd"
  23 #define DEFAULT_RESOLV_CONF     "/tmp/resolv.conf.auto"
  24 #endif
  25
  26 extern const char *resolv_conf;
  27 extern char *hotplug_cmd_path;
  28 extern unsigned int debug_mask;
  29
  30 enum {
  31         L_CRIT,
  32         L_WARNING,
  33         L_NOTICE,
  34         L_INFO,
  35         L_DEBUG
  36 };
  37
  38 enum {
  39         DEBUG_SYSTEM    = 0,
  40         DEBUG_DEVICE    = 1,
  41         DEBUG_INTERFACE = 2,
  42 };
  43
  44 #ifdef DEBUG
  45 #define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
  46 #define D(level, format, ...) do { \
  47                 if (debug_mask & (1 << (DEBUG_ ## level))) \
  48                                 DPRINTF(format, ##__VA_ARGS__); \
  49         } while (0)
  50 #else
  51 #define DPRINTF(format, ...) no_debug(0, format, ## __VA_ARGS__)
  52 #define D(level, format, ...) no_debug(DEBUG_ ## level, format, ## __VA_ARGS__)
  53 #endif
  54
  55 #define LOG_BUF_SIZE    256
  56
  57 static inline void no_debug(int level, const char *fmt, ...)
  58 {
  59 }
  60
  61 struct netifd_fd {
  62         struct list_head list;
  63         struct netifd_process *proc;
  64         int fd;
  65 };
  66
  67 struct netifd_process {
  68         struct list_head list;
  69         struct uloop_process uloop;
  70         void (*cb)(struct netifd_process *, int ret);
  71         int dir_fd;
  72
  73         struct netifd_fd log_fd;
  74         struct uloop_fd log_uloop;
  75         const char *log_prefix;
  76         char *log_buf;
  77         int log_buf_ofs;
  78         bool log_overflow;
  79 };
  80
  81 void netifd_log_message(int priority, const char *format, ...);
  82
  83 int netifd_start_process(const char **argv, char **env, struct netifd_process *proc);
  84 void netifd_kill_process(struct netifd_process *proc);
  85
  86 void netifd_fd_add(struct netifd_fd *fd);
  87 void netifd_fd_delete(struct netifd_fd *fd);
  88
  89 struct device;
  90 struct interface;
  91
  92 extern const char *main_path;
  93 void netifd_restart(void);
  94 void netifd_reload(void);
  95
  96 #endif