michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include <mach-o/dyld.h>
michael@0: #include <dlfcn.h>
michael@0: #include <unistd.h>
michael@0: 
michael@0: #include "osx_wifi.h"
michael@0: 
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsCOMArray.h"
michael@0: #include "nsWifiMonitor.h"
michael@0: #include "nsWifiAccessPoint.h"
michael@0: 
michael@0: #include "nsServiceManagerUtils.h"
michael@0: #include "nsComponentManagerUtils.h"
michael@0: #include "nsIMutableArray.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: // defined in osx_corewlan.mm
michael@0: // basically replaces accesspoints in the passed reference
michael@0: // it lives in a separate file so that we can use objective c.
michael@0: extern nsresult GetAccessPointsFromWLAN(nsCOMArray<nsWifiAccessPoint> &accessPoints);
michael@0: 
michael@0: nsresult
michael@0: nsWifiMonitor::DoScan()
michael@0: {
michael@0:   // Regularly get the access point data.
michael@0: 
michael@0:   nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
michael@0:   nsCOMArray<nsWifiAccessPoint> accessPoints;
michael@0: 
michael@0:   do {
michael@0:     nsresult rv = GetAccessPointsFromWLAN(accessPoints);
michael@0:     if (NS_FAILED(rv))
michael@0:       return rv;
michael@0: 
michael@0:     bool accessPointsChanged = !AccessPointsEqual(accessPoints, lastAccessPoints);
michael@0:     ReplaceArray(lastAccessPoints, accessPoints);
michael@0: 
michael@0:     rv = CallWifiListeners(lastAccessPoints, accessPointsChanged);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     // wait for some reasonable amount of time.  pref?
michael@0:     LOG(("waiting on monitor\n"));
michael@0: 
michael@0:     ReentrantMonitorAutoEnter mon(mReentrantMonitor);
michael@0:     mon.Wait(PR_SecondsToInterval(60));
michael@0:   }
michael@0:   while (mKeepGoing);
michael@0: 
michael@0:   return NS_OK;
michael@0: }