1/*
2 * Copyright 2008 Mika Lindqvist, monni1995_at_gmail.com
3 * All rights reserved. Distributed under the terms of the MIT License.
4 */
5#ifndef _LINKKEY_UTILS_H
6#define _LINKKEY_UTILS_H
7
8#include <stdio.h>
9
10#include <bluetooth/bluetooth.h>
11
12
13namespace Bluetooth {
14
15class LinkKeyUtils {
16public:
17	static bool Compare(linkkey_t* lk1, linkkey_t* lk2)
18	{
19		return memcmp(lk1, lk2, sizeof(linkkey_t)) == 0;
20	}
21
22	static linkkey_t NullKey()
23	{
24		return (linkkey_t){{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
25	}
26
27	static BString ToString(const linkkey_t lk)
28	{
29		BString str;
30
31		str.SetToFormat("%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:"
32				"%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
33				lk.l[0], lk.l[1], lk.l[2], lk.l[3], lk.l[4], lk.l[5],
34				lk.l[6], lk.l[7], lk.l[8], lk.l[9], lk.l[10], lk.l[11],
35				lk.l[12], lk.l[13], lk.l[14], lk.l[15]);
36
37		return str;
38	}
39
40	static linkkey_t FromString(const char *lkstr)
41	{
42		if (lkstr != NULL) {
43			uint8 l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, l15;
44			size_t count = sscanf(lkstr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:"
45							"%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhxs", &l0, &l1, &l2, &l3,
46							&l4, &l5, &l6, &l7, &l8, &l9, &l10, &l11, &l12, &l13,
47							&l14, &l15);
48
49			if (count == 16) {
50				return (linkkey_t){{l0, l1, l2, l3, l4, l5, l6, l7, l8,
51					l9, l10, l11, l12, l13, l14, l15}};
52			}
53		}
54
55		return NullKey();
56	}
57};
58
59}
60
61#ifndef _BT_USE_EXPLICIT_NAMESPACE
62using Bluetooth::LinkKeyUtils;
63#endif
64
65#endif // _LINKKEY_UTILS_H
66