void InitWiFi()
{
wlan = new WlanClient();
//foreach (WlanClient.WlanInterface wlanIface in wlan.Interfaces)
{
try
{
drone_network = wlan.Interfaces[0].CurrentConnection.wlanAssociationAttributes;
Wlan.Dot11Ssid _ssid = drone_network.dot11Ssid;
string SSID = GetStringForSSID(_ssid);
this.Details.DroneWiFiName = SSID;
}
catch { }
}
}
public void checkCurrentWirelessCon()
{
String device1;
String device2;
foreach (WlanClient.WlanInterface wlanIface in client.Interfaces)
{
//Wlan.WlanAssociationAttributes conAttributes;
//Wlan.Dot11Ssid ssid = conAttributes.dot11Ssid;
String nameOfSSID = null;
try
{
Wlan.WlanAssociationAttributes conAttributes = wlanIface.CurrentConnection.wlanAssociationAttributes;
Wlan.Dot11Ssid ssid = conAttributes.dot11Ssid;
nameOfSSID = GetStringForSSID(ssid);
device1 = (String)list2.Items[0];
device2 = (String)list2.Items[1];
}
catch (Exception e)
{
tgbtn2.Content = "Unsecured";
// If for some reason the device name is not populated then initialize it to NULL .
device1 = null;
device2 = null;
MessageBox.Show("Your computer is not connected to wireless networks! Retry");
log.dispatchLogMessage("MainServices: " + e.ToString());
}
if (device1 != null && device2 != null)
{
if (nameOfSSID != device1)
{
if (nameOfSSID != device2)
{
var msg = "MainServices (checkWirelessConnection): Wireless connection is BROKEN ! Locking the system . ";
log.dispatchLogMessage(msg);
startWireless = 2;
LockWorkStation();
unregisterWlanListener();
}
}
}
}
}
public IEnumerable <NetworkData> GetNetworkData()
{
List <NetworkData> list = new List <NetworkData>();
//If the interface is null, return nothing
if (_interface == null)
{
return(list);
}
IEnumerable <Wlan.WlanBssEntryN> networkBssList = null;
IEnumerable <Wlan.WlanAvailableNetwork> availableNetworkList = null;
try
{
networkBssList = _interface.GetNetworkBssList();
availableNetworkList = _interface.GetAvailableNetworkList(Wlan.WlanGetAvailableNetworkFlags.IncludeAllManualHiddenProfiles);
}
catch (NullReferenceException)
{
//Hopefully the call will succeed next time.
}
if ((networkBssList != null) && (availableNetworkList != null))
{
//Get connected to AP
Wlan.WlanAssociationAttributes connectedAP = new Wlan.WlanAssociationAttributes();
try
{
if (_interface.CurrentConnection.isState == Wlan.WlanInterfaceState.Connected)
{
connectedAP = _interface.CurrentConnection.wlanAssociationAttributes;
}
}
catch (NullReferenceException) { /*Hopefully it will work next time*/ }
Wlan.WlanAvailableNetwork foundNetwork = new Wlan.WlanAvailableNetwork();
foreach (Wlan.WlanBssEntryN entry in networkBssList)
{
string ssid = Encoding.ASCII.GetString(entry.BaseEntry.dot11Ssid.SSID, 0,
(int)entry.BaseEntry.dot11Ssid.SSIDLength);
if (FindNetwork(ssid, availableNetworkList, ref foundNetwork))
{
NetworkData item = new NetworkData(entry.BaseEntry.dot11Bssid);
item.IsTypeN = (entry.BaseEntry.dot11BssPhyType == Wlan.Dot11PhyType.Ht);
if (item.IsTypeN && entry.IEs != null && entry.IEs.Length > 0)
{
item.NSettings = IeParser.Parse(entry.IEs);
if (item.NSettings == null)
{
return(null);
}
//Add the extended 802.11N rates
item.Rates.AddRange(item.NSettings.Rates.Where(f => !item.Rates.Contains(f)));
item.Rates.Sort();
}
Utilities.ConvertToMbs(entry.BaseEntry.wlanRateSet.Rates, item.Rates);
item.IsTypeN = entry.BaseEntry.dot11BssPhyType == Wlan.Dot11PhyType.Ht;
int num = Utilities.ComputeRssi(entry.BaseEntry.linkQuality);
item.Rssi = (entry.BaseEntry.rssi > num) ? entry.BaseEntry.rssi : num;
// tyler's fix
// Sometimes there is an issue where the RSSI will become overly positive
// (e.g. going from -96 to +160), so subtracting 256 will fix it.
if (item.Rssi > 0)
{
item.Rssi -= 256;
}
item.Ssid = ssid;
item.Channel = Utilities.ConvertToChannel(entry.BaseEntry.chCenterFrequency);
item.NetworkType = Utilities.ConvertToString(entry.BaseEntry.dot11BssType);
item.Security = Utilities.CreateSecurityString(foundNetwork.dot11DefaultAuthAlgorithm,
foundNetwork.dot11DefaultCipherAlgorithm);
item.SignalQuality = foundNetwork.wlanSignalQuality;
//Check to see if this AP is the connected one
item.Connected = item.MyMacAddress.CompareToPhysicalAddress(connectedAP.Dot11Bssid);
list.Add(item);
}
}
}
return(list);
}
public void wlanConnectionChangeHandler(Wlan.WlanNotificationData notifyData, Wlan.WlanConnectionNotificationData connNotifyData)
{
string msg = String.Empty;
String device1 = String.Empty;
String device2 = String.Empty;
switch (notifyData.notificationSource)
{
case Wlan.WlanNotificationSource.ACM:
switch ((Wlan.WlanNotificationCodeAcm)notifyData.notificationCode)
{
case Wlan.WlanNotificationCodeAcm.ConnectionStart:
msg = "ConnectionStart";
break;
case Wlan.WlanNotificationCodeAcm.ConnectionComplete:
msg = "ConnectionComplete";
//WlanClient client = new WlanClient();
foreach (WlanClient.WlanInterface wlanIface in client.Interfaces)
{
Wlan.WlanAssociationAttributes conAttributes = wlanIface.CurrentConnection.wlanAssociationAttributes;
Wlan.Dot11Ssid ssid = conAttributes.dot11Ssid;
try
{
device1 = (String)list2.Items[0];
device2 = (String)list2.Items[1];
}
catch (Exception e)
{
// If for some reason the device name is not populated then initialize it to NULL .
device1 = null;
device2 = null;
}
if (device1 != null && device2 != null)
{
if (GetStringForSSID(ssid) != device1)
{
if (GetStringForSSID(ssid) != device2)
{
msg = "MainServices (connectionChange Handler): Wireless connection is BROKEN ! Locking the system . ";
log.dispatchLogMessage(msg);
startWireless = 2;
LockWorkStation();
unregisterWlanListener();
}
}
}
break;
}
break;
case Wlan.WlanNotificationCodeAcm.Disconnecting:
msg = "Disconnecting";
break;
case Wlan.WlanNotificationCodeAcm.Disconnected:
msg = "Disconnected";
break;
default:
msg = "unknown notificationCode =" + notifyData.notificationCode;
break;
}
//MessageBox.Show(msg + " for profile:" + connNotifyData.profileName);
break;
default:
//MessageBox.Show("irrelevant notification. Ignore");
break;
}
}
void tmrStatusUpdate_Tick(object sender, EventArgs e)
{
List <string> alert_msgs = new List <string>();
#region 1
if (_droneClient.IsConnected)
{
if (ConnectedMessageSent == false)
{
Debug("Connected");
ConnectedMessageSent = true;
}
}
#endregion
#region // wifi signal strength
if (wlan != null)
{
double signal_strength = 0.0d;
try
{
drone_network = wlan.Interfaces[0].CurrentConnection.wlanAssociationAttributes;
Wlan.Dot11Ssid _ssid = drone_network.dot11Ssid;
string SSID = GetStringForSSID(_ssid);
signal_strength = drone_network.wlanSignalQuality;
this.Details.DroneWiFiName = SSID;
this.Details.WiFiSignalStrength = signal_strength;
string alert = "WARNING! WiFi signal is below 25%. Navigate back now!";
if (this.Details.WiFiSignalStrength < 25)
{
if (!alert_msgs.Contains(alert))
{
alert_msgs.Add(alert);
}
}
else
{
alert_msgs.Remove(alert);
}
}
catch { }
}
#endregion
#region 2
if (_navigationData != null)
{
// battery
this.Details.BatteryLevel = (int)this._navigationData.Battery.Percentage;
string alert = "WARNING! Battery is below 25%";
if (this._navigationData.Battery.Percentage < 25)
{
if (!alert_msgs.Contains(alert))
{
alert_msgs.Add(alert);
}
}
else
{
alert_msgs.Remove(alert);
}
//this.attitudeControl.SetAttitudeIndicatorParameters(_navigationData.Pitch, -_navigationData.Roll);
this.Details.Pitch = _navigationData.Pitch;
this.Details.Roll = -_navigationData.Roll;
if (_navigationData.Yaw > 0)
{
//this.headingControl.SetHeadingIndicatorParameters(Convert.ToInt32(_navigationData.Yaw));
//rotate_y.Angle = -_navigationData.Yaw;
this.Details.Yaw = _navigationData.Yaw;
//this.Details.RotateY = -_navigationData.Yaw;
}
else
{
float y = (360 + _navigationData.Yaw);
//this.headingControl.SetHeadingIndicatorParameters(y);
this.Details.Yaw = y;
//this.Details.RotateY = -y;
}
this.Details.RotateX = -_navigationData.Pitch;
this.Details.RotateZ = _navigationData.Roll;
this.Details.Altitude = _navigationData.Altitude;
UpdateAttitudeIndicator((int)_navigationData.Pitch, (int)_navigationData.Roll);
//this.altimeterControl.SetAlimeterParameters((int)_navigationData.Altitude);
Console.WriteLine("Pitch: {0}, Roll: {1}, Yaw: {2}", this.Details.Pitch, this.Details.Roll, this.Details.Yaw);
}
#endregion
if (alert_msgs.Count > 0)
{
string alerts = string.Empty;
alerts = string.Join("\r\n", alert_msgs.ToArray());
ShowAlertStatus(alerts, true);
}
else
{
ShowAlertStatus(string.Empty, false);
}
}
