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);
Utilities.ConvertToMbs(entry.BaseEntry.wlanRateSet.Rates, item.Rates);
if (entry.NSettings != null)
{
item.NSettings = new IeParser.TypeNSettings(entry.NSettings);
//Add the extended 802.11N rates
item.Rates.AddRange(item.NSettings.Rates.Where(f => !item.Rates.Contains(f)));
item.Rates.Sort();
}
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;
if (item.Rssi > 0)
item.Rssi -= 256; // Sometimes there is an issure where the RSSI will become overly positive
// (e.g. going from -96 to +160), so subtracting 256 will fix it.
item.Ssid = ssid;
item.Channel = Utilities.ConvertToChannel(entry.BaseEntry.chCenterFrequency);
item.NetworkType = Utilities.ConvertToString(entry.BaseEntry.dot11BssType);
if (foundNetwork.numberOfBssids > 1)
{
// More than 1 network with the same SSID
// Get all BSSes with the SSID
Wlan.WlanBssEntryN[] secureNetworks = _interface.GetNetworkBssList(ssid, true);
Wlan.WlanBssEntryN[] openNetworks = _interface.GetNetworkBssList(ssid, false);
if (secureNetworks.Count(bss => bss.BaseEntry.dot11Bssid.SequenceEqual(item.MyMacAddress.Bytes)) > 0)
{
item.Privacy = _interface.GetPrivacyString(secureNetworks.First(bss => bss.BaseEntry.dot11Bssid.SequenceEqual(item.MyMacAddress.Bytes)).IEs, true);
}
else if (openNetworks.Count(bss => bss.BaseEntry.dot11Bssid.SequenceEqual(item.MyMacAddress.Bytes)) > 0)
{
item.Privacy = "None";
}
}
else
{
item.Privacy = Utilities.CreatePrivacyString(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 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);
Utilities.ConvertToMbs(entry.BaseEntry.wlanRateSet.Rates, item.Rates);
if (entry.NSettings != null)
{
item.NSettings = new IeParser.TypeNSettings(entry.NSettings);
//Add the extended 802.11N rates
item.Rates.AddRange(item.NSettings.Rates.Where(f => !item.Rates.Contains(f)));
item.Rates.Sort();
}
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;
item.Ssid = ssid;
item.Channel = Utilities.ConvertToChannel(entry.BaseEntry.chCenterFrequency);
item.NetworkType = Utilities.ConvertToString(entry.BaseEntry.dot11BssType);
item.Privacy = Utilities.CreatePrivacyString(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;
}