netwerk/wifi/nsWifiAccessPoint.cpp

   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 #include "nsWifiAccessPoint.h"
   6 #include "nsString.h"
   7 #include "mozilla/Logging.h"
   8
   9 extern mozilla::LazyLogModule gWifiMonitorLog;
  10 #define LOG(args) MOZ_LOG(gWifiMonitorLog, mozilla::LogLevel::Debug, args)
  11
  12 NS_IMPL_ISUPPORTS(nsWifiAccessPoint, nsIWifiAccessPoint)
  13
  14 nsWifiAccessPoint::nsWifiAccessPoint() {
  15   // make sure these are null terminated (because we are paranoid)
  16   mMac[0] = '\0';
  17   mSsid[0] = '\0';
  18   mSsidLen = 0;
  19   mSignal = -1000;
  20 }
  21
  22 NS_IMETHODIMP nsWifiAccessPoint::GetMac(nsACString& aMac) {
  23   aMac.Assign(mMac);
  24   return NS_OK;
  25 }
  26
  27 NS_IMETHODIMP nsWifiAccessPoint::GetSsid(nsAString& aSsid) {
  28   // just assign and embedded nulls will truncate resulting
  29   // in a displayable string.
  30   aSsid.AssignASCII(mSsid);
  31   return NS_OK;
  32 }
  33
  34 NS_IMETHODIMP nsWifiAccessPoint::GetRawSSID(nsACString& aRawSsid) {
  35   aRawSsid.Assign(mSsid, mSsidLen);  // SSIDs are 32 chars long
  36   return NS_OK;
  37 }
  38
  39 NS_IMETHODIMP nsWifiAccessPoint::GetSignal(int32_t* aSignal) {
  40   NS_ENSURE_ARG(aSignal);
  41   *aSignal = mSignal;
  42   return NS_OK;
  43 }
  44
  45 int nsWifiAccessPoint::Compare(const nsWifiAccessPoint& o) const {
  46   int ret = strcmp(mMac, o.mMac);
  47   if (ret) {
  48     return ret;
  49   }
  50   if (mSsidLen != o.mSsidLen) {
  51     return (mSsidLen < o.mSsidLen) ? -1 : 1;
  52   }
  53   ret = strncmp(mSsid, o.mSsid, mSsidLen);
  54   if (ret) {
  55     return ret;
  56   }
  57   if (mSignal == o.mSignal) {
  58     return 0;
  59   }
  60   return (mSignal < o.mSignal) ? -1 : 1;
  61 }
  62
  63 bool nsWifiAccessPoint::operator==(const nsWifiAccessPoint& o) const {
  64   LOG(("nsWifiAccessPoint comparing %s->%s | %s->%s | %d -> %d\n", mSsid,
  65        o.mSsid, mMac, o.mMac, mSignal, o.mSignal));
  66   return Compare(o) == 0;
  67 }