gecko-dev/netwerk/wifi/nsWifiScannerWin.cpp
Sylvestre Ledru 265e672179 Bug 1511181 - Reformat everything to the Google coding style r=ehsan a=clang-format
# ignore-this-changeset

--HG--
extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
2018-11-30 11:46:48 +01:00

67 lines
2.0 KiB
C++

/* 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 "nsWifiMonitor.h"
// moz headers (alphabetical)
#include "nsAutoPtr.h"
#include "nsCOMArray.h"
#include "nsComponentManagerUtils.h"
#include "nsIMutableArray.h"
#include "nsServiceManagerUtils.h"
#include "nsWifiAccessPoint.h"
#include "win_wifiScanner.h"
using namespace mozilla;
/**
* `nsWifiMonitor` is declared in the cross-platform nsWifiMonitor.h and
* is mostly defined in the cross-platform nsWifiMonitor.cpp. This function
* is implemented in various platform-specific files but the implementation
* is almost identical in each file. We relegate the Windows-specific
* work to the `WinWifiScanner` class and deal with non-Windows-specific
* issues like calling listeners here. Hopefully this file can be merged
* with the other implementations of `nsWifiMonitor::DoScan` since a lot
* of the code is identical
*/
nsresult nsWifiMonitor::DoScan() {
if (!mWinWifiScanner) {
mWinWifiScanner = new WinWifiScanner();
if (!mWinWifiScanner) {
// TODO: Probably return OOM error
return NS_ERROR_FAILURE;
}
}
// Regularly get the access point data.
nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
nsCOMArray<nsWifiAccessPoint> accessPoints;
do {
accessPoints.Clear();
nsresult rv = mWinWifiScanner->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);
if (mKeepGoing) {
mon.Wait(PR_SecondsToInterval(kDefaultWifiScanInterval));
}
} while (mKeepGoing);
return NS_OK;
}