netwerk/wifi/nsWifiAccessPoint.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef __nsWifiAccessPoint__
   6 #define __nsWifiAccessPoint__
   7
   8 #include <algorithm>
   9 #include "nsWifiMonitor.h"
  10 #include "nsIWifiAccessPoint.h"
  11
  12 #include "nsString.h"
  13 #include "nsCOMArray.h"
  14 #include "mozilla/ArrayUtils.h"  // ArrayLength
  15 #include "mozilla/Attributes.h"
  16 #include "mozilla/Sprintf.h"
  17
  18 class nsWifiAccessPoint final : public nsIWifiAccessPoint {
  19   ~nsWifiAccessPoint() = default;
  20
  21  public:
  22   NS_DECL_THREADSAFE_ISUPPORTS
  23   NS_DECL_NSIWIFIACCESSPOINT
  24
  25   nsWifiAccessPoint();
  26
  27   char mMac[18]{0};
  28   int mSignal;
  29   char mSsid[33]{0};
  30   int mSsidLen;
  31
  32   void setSignal(int signal) { mSignal = signal; }
  33
  34   void setMacRaw(const char* aString) {
  35     memcpy(mMac, aString, mozilla::ArrayLength(mMac));
  36   }
  37
  38   void setMac(const unsigned char mac_as_int[6]) {
  39     // mac_as_int is big-endian. Write in byte chunks.
  40     // Format is XX-XX-XX-XX-XX-XX.
  41
  42     const unsigned char holder[6] = {0};
  43     if (!mac_as_int) {
  44       mac_as_int = holder;
  45     }
  46
  47     static const char* kMacFormatString = ("%02x-%02x-%02x-%02x-%02x-%02x");
  48
  49     SprintfLiteral(mMac, kMacFormatString, mac_as_int[0], mac_as_int[1],
  50                    mac_as_int[2], mac_as_int[3], mac_as_int[4], mac_as_int[5]);
  51
  52     mMac[17] = 0;
  53   }
  54
  55   void setSSIDRaw(const char* aSSID, size_t len) {
  56     mSsidLen = std::min(len, mozilla::ArrayLength(mSsid));
  57     memcpy(mSsid, aSSID, mSsidLen);
  58   }
  59
  60   void setSSID(const char* aSSID, unsigned long len) {
  61     if (aSSID && (len < sizeof(mSsid))) {
  62       strncpy(mSsid, aSSID, len);
  63       mSsid[len] = 0;
  64       mSsidLen = len;
  65     } else {
  66       mSsid[0] = 0;
  67       mSsidLen = 0;
  68     }
  69   }
  70 };
  71
  72 // Helper functions
  73
  74 bool AccessPointsEqual(nsCOMArray<nsWifiAccessPoint>& a,
  75                        nsCOMArray<nsWifiAccessPoint>& b);
  76 void ReplaceArray(nsCOMArray<nsWifiAccessPoint>& a,
  77                   nsCOMArray<nsWifiAccessPoint>& b);
  78
  79 #endif