/// <summary>
/// Enumerates wireless LAN information on BSS networks.
/// </summary>
/// <returns>Wireless LAN information</returns>
public static IEnumerable <BssNetworkPack> EnumerateBssNetworks()
{
using (var client = new Base.WlanClient())
{
var interfaceInfoList = Base.GetInterfaceInfoList(client.Handle);
foreach (var interfaceInfo in interfaceInfoList.Select(x => ConvertToInterfaceInfo(x)))
{
var networkBssEntryList = Base.GetNetworkBssEntryList(client.Handle, interfaceInfo.Id);
foreach (var networkBssEntry in networkBssEntryList)
{
//Debug.WriteLine("Interface: {0}, SSID: {1}, BSSID: {2}, Signal: {3} Link: {4}, Frequency: {5}",
// interfaceInfo.Description,
// networkBssEntry.dot11Ssid,
// networkBssEntry.dot11Bssid,
// networkBssEntry.lRssi,
// networkBssEntry.uLinkQuality,
// networkBssEntry.ulChCenterFrequency);
yield return(new BssNetworkPack(
interfaceInfo: interfaceInfo,
ssid: new NetworkIdentifier(networkBssEntry.dot11Ssid.ToBytes(), networkBssEntry.dot11Ssid.ToString()),
bssType: ConvertToBssType(networkBssEntry.dot11BssType),
bssid: new NetworkIdentifier(networkBssEntry.dot11Bssid.ToBytes(), networkBssEntry.dot11Bssid.ToString()),
signalStrength: networkBssEntry.lRssi,
linkQuality: (int)networkBssEntry.uLinkQuality,
frequency: (int)networkBssEntry.ulChCenterFrequency,
channel: DetectChannel(networkBssEntry.ulChCenterFrequency)));
}
}
}
}
/// <summary>
/// Enumerates wireless LAN information on available networks.
/// </summary>
/// <returns>Wireless LAN information</returns>
/// <remarks>If multiple profiles are associated with a same network, there will be multiple
/// entries with the same SSID.</remarks>
public static IEnumerable <AvailableNetworkPack> EnumerateAvailableNetworks()
{
using (var client = new Base.WlanClient())
{
var interfaceInfoList = Base.GetInterfaceInfoList(client.Handle);
foreach (var interfaceInfo in interfaceInfoList.Select(x => ConvertToInterfaceInfo(x)))
{
var availableNetworkList = Base.GetAvailableNetworkList(client.Handle, interfaceInfo.Id);
foreach (var availableNetwork in availableNetworkList)
{
//Debug.WriteLine("Interface: {0}, SSID: {1}, Signal: {2}, Security: {3}",
// interfaceInfo.Description,
// availableNetwork.dot11Ssid,
// availableNetwork.wlanSignalQuality,
// availableNetwork.bSecurityEnabled);
yield return(new AvailableNetworkPack(
interfaceInfo: interfaceInfo,
ssid: new NetworkIdentifier(availableNetwork.dot11Ssid.ToBytes(), availableNetwork.dot11Ssid.ToString()),
bssType: ConvertToBssType(availableNetwork.dot11BssType),
signalQuality: (int)availableNetwork.wlanSignalQuality,
isSecurityEnabled: availableNetwork.bSecurityEnabled,
profileName: availableNetwork.strProfileName));
}
}
}
}
/// <summary>
/// Enumerates SSIDs of connected wireless LANs.
/// </summary>
/// <returns>SSIDs</returns>
public static IEnumerable <NetworkIdentifier> EnumerateConnectedNetworkSsids()
{
using (var client = new Base.WlanClient())
{
var interfaceInfoList = Base.GetInterfaceInfoList(client.Handle);
foreach (var interfaceInfo in interfaceInfoList)
{
var connection = Base.GetConnectionAttributes(client.Handle, interfaceInfo.InterfaceGuid);
if (connection.isState != WLAN_INTERFACE_STATE.wlan_interface_state_connected)
{
continue;
}
var association = connection.wlanAssociationAttributes;
//Debug.WriteLine("Interface: {0}, SSID: {1}, BSSID: {2}, Signal: {3}",
// interfaceInfo.strInterfaceDescription,
// association.dot11Ssid,
// association.dot11Bssid,
// association.wlanSignalQuality);
yield return(new NetworkIdentifier(association.dot11Ssid.ToBytes(), association.dot11Ssid.ToString()));
}
}
}
/// <summary>
/// Enumerates wireless interface information.
/// </summary>
/// <returns>Wireless interface information</returns>
public static IEnumerable <InterfaceInfo> EnumerateInterfaces()
{
using (var client = new Base.WlanClient())
{
return(Base.GetInterfaceInfoList(client.Handle)
.Select(x => ConvertToInterfaceInfo(x)));
}
}
/// <summary>
/// Enumerates wireless profile information in preference order.
/// </summary>
/// <returns>Wireless profile information</returns>
public static IEnumerable <ProfilePack> EnumerateProfiles()
{
using (var client = new Base.WlanClient())
{
var interfaceInfoList = Base.GetInterfaceInfoList(client.Handle);
foreach (var interfaceInfo in interfaceInfoList.Select(x => ConvertToInterfaceInfo(x)))
{
var interfaceIsConnected = (interfaceInfo.State == InterfaceState.Connected);
var availableNetworkList = Base.GetAvailableNetworkList(client.Handle, interfaceInfo.Id)
.Where(x => !string.IsNullOrWhiteSpace(x.strProfileName))
.ToArray();
var connection = Base.GetConnectionAttributes(client.Handle, interfaceInfo.Id);
var profileInfoList = Base.GetProfileInfoList(client.Handle, interfaceInfo.Id);
int position = 0;
foreach (var profileInfo in profileInfoList)
{
var availableNetwork = availableNetworkList.FirstOrDefault(x => x.strProfileName.Equals(profileInfo.strProfileName, StringComparison.Ordinal));
var signalQuality = (int)availableNetwork.wlanSignalQuality;
var profileIsConnected = interfaceIsConnected && profileInfo.strProfileName.Equals(connection.strProfileName, StringComparison.Ordinal);
//Debug.WriteLine("Interface: {0}, Profile: {1}, Signal {2}, Position: {3}, Connected {4}",
// interfaceInfo.Description,
// profileInfo.strProfileName,
// signalQuality,
// position,
// profileIsConnected);
var profile = GetProfile(
client.Handle,
interfaceInfo,
profileInfo.strProfileName,
signalQuality,
position++,
profileIsConnected);
if (profile != null)
{
yield return(profile);
}
}
}
}
}
/// <summary>
/// Asynchronously requests wireless interfaces to scan (rescan) wireless LANs.
/// </summary>
/// <param name="timeout">Timeout duration</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Interface IDs that successfully scanned</returns>
public static async Task <IEnumerable <Guid> > ScanNetworksAsync(TimeSpan timeout, CancellationToken cancellationToken)
{
using (var client = new Base.WlanClient())
{
var interfaceInfoList = Base.GetInterfaceInfoList(client.Handle);
var interfaceIds = interfaceInfoList.Select(x => x.InterfaceGuid).ToArray();
var tcs = new TaskCompletionSource <bool>();
var handler = new ScanHandler(tcs, interfaceIds);
Action <IntPtr, IntPtr> callback = (data, context) =>
{
var notificationData = Marshal.PtrToStructure <WLAN_NOTIFICATION_DATA>(data);
if (notificationData.NotificationSource != WLAN_NOTIFICATION_SOURCE_ACM)
{
return;
}
Debug.WriteLine("Callback: {0}", (WLAN_NOTIFICATION_ACM)notificationData.NotificationCode);
switch (notificationData.NotificationCode)
{
case (uint)WLAN_NOTIFICATION_ACM.wlan_notification_acm_scan_complete:
handler.SetSuccess(notificationData.InterfaceGuid);
break;
case (uint)WLAN_NOTIFICATION_ACM.wlan_notification_acm_scan_fail:
handler.SetFailure(notificationData.InterfaceGuid);
break;
}
};
Base.RegisterNotification(client.Handle, WLAN_NOTIFICATION_SOURCE_ACM, callback);
foreach (var interfaceId in interfaceIds)
{
var result = Base.Scan(client.Handle, interfaceId);
if (!result)
{
handler.SetFailure(interfaceId);
}
}
var scanTask = tcs.Task;
await Task.WhenAny(scanTask, Task.Delay(timeout, cancellationToken));
return(handler.Results);
}
}
/// <summary>
/// Enumerates wireless profile names in preference order.
/// </summary>
/// <returns>Wireless profile names</returns>
public static IEnumerable <string> EnumerateProfileNames()
{
using (var client = new Base.WlanClient())
{
var interfaceInfoList = Base.GetInterfaceInfoList(client.Handle);
foreach (var interfaceInfo in interfaceInfoList)
{
var profileInfoList = Base.GetProfileInfoList(client.Handle, interfaceInfo.InterfaceGuid);
foreach (var profileInfo in profileInfoList)
{
//Debug.WriteLine("Interface: {0}, Profile: {1}",
// interfaceInfo.strInterfaceDescription,
// profileInfo.strProfileName);
yield return(profileInfo.strProfileName);
}
}
}
}
/// <summary>
/// Enumerates SSIDs of available wireless LANs.
/// </summary>
/// <returns>SSIDs</returns>
public static IEnumerable <NetworkIdentifier> EnumerateAvailableNetworkSsids()
{
using (var client = new Base.WlanClient())
{
var interfaceInfoList = Base.GetInterfaceInfoList(client.Handle);
foreach (var interfaceInfo in interfaceInfoList)
{
var availableNetworkList = Base.GetAvailableNetworkList(client.Handle, interfaceInfo.InterfaceGuid);
foreach (var availableNetwork in availableNetworkList)
{
//Debug.WriteLine("Interface: {0}, SSID: {1}, Signal: {2}",
// interfaceInfo.strInterfaceDescription,
// availableNetwork.dot11Ssid,
// availableNetwork.wlanSignalQuality);
yield return(new NetworkIdentifier(availableNetwork.dot11Ssid.ToBytes(), availableNetwork.dot11Ssid.ToString()));
}
}
}
}
