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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/wifi/nsWifiScannerWin.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/wifi/nsWifiScannerWin.cpp')
-rw-r--r--netwerk/wifi/nsWifiScannerWin.cpp77
1 files changed, 77 insertions, 0 deletions
diff --git a/netwerk/wifi/nsWifiScannerWin.cpp b/netwerk/wifi/nsWifiScannerWin.cpp
new file mode 100644
index 000000000..ef18706e4
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+++ b/netwerk/wifi/nsWifiScannerWin.cpp
@@ -0,0 +1,77 @@
+/* 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"
+#include "win_xp_wifiScanner.h"
+#include "mozilla/WindowsVersion.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) {
+ if (IsWin2003OrLater()) {
+ mWinWifiScanner = new WinWifiScanner();
+ LOG(("Using Windows 2003+ wifi scanner."));
+ } else {
+ mWinWifiScanner = new WinXPWifiScanner();
+ LOG(("Using Windows XP wifi scanner."));
+ }
+
+ 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;
+}