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 };
86