wpa_supplicant/autoscan_periodic.c

   1 /*
   2  * WPA Supplicant - auto scan periodic module
   3  * Copyright (c) 2012, Intel Corporation. All rights reserved.
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "includes.h"
  10
  11 #include "common.h"
  12 #include "wpa_supplicant_i.h"
  13 #include "autoscan.h"
  14
  15
  16 struct autoscan_periodic_data {
  17         int periodic_interval;
  18 };
  19
  20
  21 static int autoscan_periodic_get_params(struct autoscan_periodic_data *data,
  22                                         const char *params)
  23 {
  24         int interval;
  25
  26         if (params == NULL)
  27                 return -1;
  28
  29         interval = atoi(params);
  30
  31         if (interval < 0)
  32                 return -1;
  33
  34         data->periodic_interval = interval;
  35
  36         return 0;
  37 }
  38
  39
  40 static void * autoscan_periodic_init(struct wpa_supplicant *wpa_s,
  41                                      const char *params)
  42 {
  43         struct autoscan_periodic_data *data;
  44
  45         data = os_zalloc(sizeof(struct autoscan_periodic_data));
  46         if (data == NULL)
  47                 return NULL;
  48
  49         if (autoscan_periodic_get_params(data, params) < 0) {
  50                 os_free(data);
  51                 return NULL;
  52         }
  53
  54         wpa_printf(MSG_DEBUG, "autoscan periodic: interval is %d",
  55                    data->periodic_interval);
  56
  57         return data;
  58 }
  59
  60
  61 static void autoscan_periodic_deinit(void *priv)
  62 {
  63         struct autoscan_periodic_data *data = priv;
  64
  65         os_free(data);
  66 }
  67
  68
  69 static int autoscan_periodic_notify_scan(void *priv,
  70                                          struct wpa_scan_results *scan_res)
  71 {
  72         struct autoscan_periodic_data *data = priv;
  73
  74         wpa_printf(MSG_DEBUG, "autoscan periodic: scan result notification");
  75
  76         return data->periodic_interval;
  77 }
  78
  79
  80 const struct autoscan_ops autoscan_periodic_ops = {
  81         .name = "periodic",
  82         .init = autoscan_periodic_init,
  83         .deinit = autoscan_periodic_deinit,
  84         .notify_scan = autoscan_periodic_notify_scan,
  85 };