netwerk/wifi/nsWifiScannerMac.cpp
author Boris Zbarsky <bzbarsky@mit.edu>
Wed, 31 Oct 2018 14:34:12 -0400
changeset 498273 0a7792cc133f00007c69cd8e5200a977f801d876
parent 206950 4674e62192c43dc389b5efe0323e59f47b6a7fe8
child 505383 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1503659 - Back out some debugging instrumentation from Firefox 64, now that it's in beta. r=mccr8, a=RyanVM

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <mach-o/dyld.h>
#include <dlfcn.h>
#include <unistd.h>

#include "osx_wifi.h"

#include "nsAutoPtr.h"
#include "nsCOMArray.h"
#include "nsWifiMonitor.h"
#include "nsWifiAccessPoint.h"

#include "nsServiceManagerUtils.h"
#include "nsComponentManagerUtils.h"
#include "nsIMutableArray.h"

using namespace mozilla;

// defined in osx_corewlan.mm
// basically replaces accesspoints in the passed reference
// it lives in a separate file so that we can use objective c.
extern nsresult GetAccessPointsFromWLAN(nsCOMArray<nsWifiAccessPoint> &accessPoints);

nsresult
nsWifiMonitor::DoScan()
{
  // Regularly get the access point data.

  nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
  nsCOMArray<nsWifiAccessPoint> accessPoints;

  do {
    nsresult rv = GetAccessPointsFromWLAN(accessPoints);
    if (NS_FAILED(rv))
      return rv;

    bool accessPointsChanged = !AccessPointsEqual(accessPoints, lastAccessPoints);
    ReplaceArray(lastAccessPoints, accessPoints);

    rv = CallWifiListeners(lastAccessPoints, accessPointsChanged);
    NS_ENSURE_SUCCESS(rv, rv);

    // wait for some reasonable amount of time.  pref?
    LOG(("waiting on monitor\n"));

    ReentrantMonitorAutoEnter mon(mReentrantMonitor);
    mon.Wait(PR_SecondsToInterval(kDefaultWifiScanInterval));
  }
  while (mKeepGoing);

  return NS_OK;
}