private void ReloadInterfaces()
{
IntPtr listPtr;
Util.ThrowIfError(
NativeMethods.WlanEnumInterfaces(clientHandle, IntPtr.Zero, out listPtr));
try {
WlanInterfaceInfoList list = (WlanInterfaceInfoList)Marshal.PtrToStructure(listPtr, typeof(WlanInterfaceInfoList));
uint numberOfItems = list.NumberOfItems;
Int64 listIterator = listPtr.ToInt64() + Marshal.OffsetOf(typeof(WlanInterfaceInfoList), "InterfaceInfo").ToInt64();
WlanInterface[] interfaces = new WlanInterface[numberOfItems];
List <Guid> currentIfaceGuids = new List <Guid>();
for (int i = 0; i < numberOfItems; i++)
{
WlanInterfaceInfo info =
(WlanInterfaceInfo)Marshal.PtrToStructure(new IntPtr(listIterator), typeof(WlanInterfaceInfo));
listIterator += Marshal.SizeOf(info);
WlanInterface wlanInterface;
currentIfaceGuids.Add(info.Guid);
if (interfaceMap.ContainsKey(info.Guid))
{
wlanInterface = interfaceMap[info.Guid];
//wlanInterface.UpdateInfo(info);
}
else
{
wlanInterface = WlanInterface.CreateInterface(this, info);
}
interfaces[i] = wlanInterface;
interfaceMap[info.Guid] = wlanInterface;
}
// Remove stale interfaceList
Queue <Guid> deadIfacesGuids = new Queue <Guid>();
foreach (Guid ifaceGuid in interfaceMap.Keys)
{
if (!currentIfaceGuids.Contains(ifaceGuid))
{
deadIfacesGuids.Enqueue(ifaceGuid);
}
}
while (deadIfacesGuids.Count != 0)
{
Guid deadIfaceGuid = deadIfacesGuids.Dequeue();
interfaceMap.Remove(deadIfaceGuid);
}
interfaceList = interfaces;
} finally {
NativeMethods.WlanFreeMemory(listPtr);
}
}
internal WlanInterface(WlanClient client, WlanInterfaceInfo info)
{
this.client = client;
this.info = info;
}
// CONSTRUCTORS ===========================================================
private WlanInterface(WlanClient client, WlanInterfaceInfo info)
{
this.client = client;
Guid = info.Guid;
//UpdateInfo(info);
}
/// <summary>
/// Creates an instance of an interface control class.
/// </summary>
/// <param name="client">Native Wi-Fi client control class.</param>
/// <param name="info">Interface information provided by client control class.</param>
/// <returns>Instance of an interface control class.</returns>
public static WlanInterface CreateInterface(WlanClient client, WlanInterfaceInfo info)
{
WlanInterface intf = new WlanInterface(client, info);
return(intf);
}
internal WlanInterface(SystemInterface fclient, WlanInterfaceInfo finfo)
{
client = fclient;
info = finfo;
}
