public async Task DoRefreshNetworks()
{
try
{
IsFailed = false;
var ts0 = DateTime.Now;
FirstFailedLineInCSV = null;
if (DoDisconnectBeforeRefresh)
{
mgr.DeleteInfoAboutWifiNetworks();
}
if (TryCopyFromBluetoothFolder)
{
await mgr.MoveCSVFromBluetoothFolder();
}
// clean CSV cache if it was used
mgr.ClearCachedCSVNetworkList();
var allOnAir = mgr.GetActiveWifiNetworks();
//var ts1 = DateTime.Now;
//var elapsed = ts1 - ts0;
//Logging.Info("WiFiManager", $"GetActiveWifiNetworks: finished, elapsed: {elapsed.TotalSeconds} sec");
// in hunting mode leave only those who's in hunting list
if (WifiNetworksHunting.Count > 0)
{
// inner join
var results = from w1 in allOnAir
join t2 in WifiNetworksHunting on w1.BssID equals t2.BssID
select w1;
allOnAir = results.ToList();
}
// try to find info in CSV file
if (mgr.CanLoadFromFile)
{
for (int i = 0; i < allOnAir.Count; i++)
{
var wifiOnAir = allOnAir[i];
var wifiDtoFromFile = await mgr.FindWifiInCSV(wifiOnAir, SearchByBssIDOnly);
var isInFileAndOnAir = wifiDtoFromFile != null;
if (isInFileAndOnAir)
{
// update existing Wifi info from file (except for BSSID)
wifiOnAir.IsInCSVList = isInFileAndOnAir;
var nameOnAir = wifiOnAir.Name;
var bssidOnAir = wifiOnAir.BssID;
wifiDtoFromFile.CopyTo(wifiOnAir);
// only Name & BssID is taken from air
wifiOnAir.Name = nameOnAir;
wifiOnAir.BssID = bssidOnAir;
}
}
}
if (WEPOnly)
{
allOnAir = allOnAir.Where(x => x.IsWEP).ToList();
}
if (WithVPNOnly)
{
allOnAir = allOnAir.Where(x => x.IsWithVPN).ToList();
}
// put currently connected on the top
var lst1 = allOnAir.OrderByDescending(nw => nw.IsBeingUsed).ThenBy(nw => nw.IsInCSVList).ThenBy(nw => Math.Abs(nw.Level));
WifiNetworks = new WifiNetworksObservableCollection(lst1);
//var ts2 = DateTime.Now;
//var elapsed2 = ts2 - ts0;
//Logging.Info("WiFiManager", $"DoRefreshNetworks: finished, elapsed: {elapsed2.TotalSeconds} sec");
IsConnected = mgr.IsConnected();
SelectedNetwork = null;
if (ScanWifiAndGps)
{
await DoRefreshCoords();
}
//var v = Plugin.Vibrate.CrossVibrate.Current;
//v.Vibration(TimeSpan.FromSeconds(0.5));
}
catch (Exception ex)
{
IsFailed = true;
Logging.Error("DoRefreshNetworks", ex);
}
}
public void AddMgr(IWifiManagerOperations mgr)
{
this.mgr = mgr;
IsConnected = mgr.IsConnected();
}