headers/os/bluetooth/LinkKeyUtils.h

   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
  13 namespace Bluetooth {
  14
  15 class LinkKeyUtils {
  16 public:
  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
  62 using Bluetooth::LinkKeyUtils;
  63 #endif
  64
  65 #endif // _LINKKEY_UTILS_H