/// <summary>
/// Example showing how to retrieve a list of AirPcap devices
/// We can't use this because AirPcap devices don't have a pcap handle
/// but this code is worth keeping around
/// </summary>
/// <returns>
/// A <see cref="List<AirPcapDevice>"/>
/// </returns>
private static List <AirPcapDevice> GetAirPcapDevices()
{
var deviceList = new List <AirPcapDevice>();
var devicePtr = IntPtr.Zero;
var errorBuffer = new StringBuilder(Pcap.PCAP_ERRBUF_SIZE);
int result = AirPcapSafeNativeMethods.AirpcapGetDeviceList(ref devicePtr, errorBuffer);
if (result < 0)
{
throw new PcapException(errorBuffer.ToString());
}
IntPtr nextDevPtr = devicePtr;
while (nextDevPtr != IntPtr.Zero)
{
// Marshal pointer into a struct
AirPcapUnmanagedStructures.AirpcapDeviceDescription deviceDescUnmanaged =
(AirPcapUnmanagedStructures.AirpcapDeviceDescription)Marshal.PtrToStructure(nextDevPtr,
typeof(AirPcapUnmanagedStructures.AirpcapDeviceDescription));
var managedDeviceDesc = new AirPcapDeviceDescription(deviceDescUnmanaged);
// deviceList.Add(new AirPcapDevice(managedDeviceDesc));
nextDevPtr = deviceDescUnmanaged.next;
}
AirPcapSafeNativeMethods.AirpcapFreeDeviceList(devicePtr); // Free unmanaged memory
return(deviceList);
}
internal AirPcapDeviceDescription(AirPcapUnmanagedStructures.AirpcapDeviceDescription desc)
{
this.Name = desc.Name;
this.Description = desc.Description;
}