/// <summary>
/// Provides the description from the system for the inputted device
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
public String ProvideCaptureDeviceDescription(LivePacketDevice device = null)
{
// if the device is valid
if (device != null)
{
return(LivePacketDeviceExtensions.GetNetworkInterface((LivePacketDevice)device).Description);
}
return("No available Description.");
}
/*
* Function that will list network interface descriptions in the combo box drop down
*
*/
private void ListNetworkInterfaces(int numTries = 5)
{
//Detect all interfaces
allLivePacketDevices = LivePacketDevice.AllLocalMachine;
string descript = "";
string inactiveFormat = "{0,27} | {1}"; // format for interfaces that are not currently active
string activeFormat = "* {0,17} | {1}"; // format for interfaces that are actively transmitting packets
string Format = inactiveFormat;
//Try the allotted number of times if no interfaces detected
if (allLivePacketDevices.Count == 0)
{
if (numTries > 0)
{
ListNetworkInterfaces(--numTries);
}
}
// Describe each network interface
for (int i = 0; i < allLivePacketDevices.Count; ++i)
{
// Determine the network interface for this interface
LivePacketDevice livePacketDevice = allLivePacketDevices[i];
NetworkInterface nic = LivePacketDeviceExtensions.GetNetworkInterface(livePacketDevice);
string address = "";
// Query system for description
descript = nic.Description;
if (nic != null)
{
// Gather the unique ip properties of this interface
IPInterfaceProperties ipprops = nic.GetIPProperties();
UnicastIPAddressInformationCollection unicast = ipprops.UnicastAddresses;
string lpdAddr = "";
string nicAddr = "";
// search the interfaces IP addresses for it's IPv4 address
foreach (UnicastIPAddressInformation uni in unicast)
{
nicAddr = uni.Address.ToString();
foreach (DeviceAddress addr in livePacketDevice.Addresses)
{
if (!addr.Address.ToString().Contains("Internet6"))
{
string[] ipv4addy = addr.Address.ToString().Split();
lpdAddr = ipv4addy[1];
}
if (nicAddr == lpdAddr)
{
address = nicAddr;
//needs tuning so active device will be default shown
// Format the description according to activity level
Format = inactiveFormat;
if (nic.OperationalStatus == OperationalStatus.Up)
{
Format = activeFormat;
// ++activeIndex;
}
}
}
}
}
descript = String.Format(Format, address, descript);
cmbInterfaces.Items.Add(descript);
}
}
public void GetNetworkInterfaceNullTest()
{
Assert.IsNotNull(LivePacketDeviceExtensions.GetNetworkInterface(null));
Assert.Fail();
}