handler.h

   1 /*
   2  * netifd - network interface daemon
   3  * Copyright (C) 2012-2013 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_HANDLER_H
  15 #define __NETIFD_HANDLER_H
  16
  17 #include <libubox/blobmsg_json.h>
  18 #include <json-c/json.h>
  19 #include "config.h"
  20
  21 typedef void (*script_dump_cb)(const char *script, const char *name, json_object *obj);
  22
  23 static inline json_object *
  24 json_check_type(json_object *obj, json_type type)
  25 {
  26         if (!obj)
  27                 return NULL;
  28
  29         if (json_object_get_type(obj) != type)
  30                 return NULL;
  31
  32         return obj;
  33 }
  34
  35 static inline json_object *
  36 json_get_field(json_object *obj, const char *name, json_type type)
  37 {
  38         return json_object_object_get_ex(obj, name, &obj) ?
  39                         json_check_type(obj, type) : NULL;
  40 }
  41
  42 int netifd_open_subdir(const char *name);
  43 void netifd_init_script_handlers(int dir_fd, script_dump_cb cb);
  44 char *netifd_handler_parse_config(struct uci_blob_param_list *config, json_object *obj);
  45
  46 #endif