public string[] ProvideDeviceNames()
{
// Print SharpPcap version
string ver = SharpPcap.Version.VersionString;
Console.WriteLine("SharpPcap {0}, Example1.IfList.cs", ver);
// Retrieve the device list
LivePcapDeviceList devices = LivePcapDeviceList.Instance;
LivePcapDevice device = null;
// If no devices were found print an error
if (devices.Count < 1)
{
//Console.WriteLine("No devices were found on this machine");
return(null);
}
devc = new string[150];
// Print out the available network devices
int i = 0;
foreach (LivePcapDevice dev in devices)
{
devc[i] = dev.Description;
i += 1;
/////////////////////Console.WriteLine("{0}\n", dev.ToString());
}
return(devc);
}
void PopulateInterfaceCombobox()
{
LivePcapDeviceList deviceList = LivePcapDeviceList.Instance;
if (deviceList.Count > 0)
{
foreach (LivePcapDevice device in deviceList)
{
PcapAddress address = GetIPV4Sockddr(device);
cbInterface.Items.Add(String.Format("{0} -- {1}", device.Interface.FriendlyName, address.Addr.ipAddress));
}
}
}
private void GetNICList()
{
LivePcapDeviceList devices = null;
try
{
devices = LivePcapDeviceList.Instance;
/* Scan the list printing every entry */
foreach (LivePcapDevice dev in devices)
{
cmbNIC.Items.Add(dev.Description.ToString());
}
}
catch (Exception)
{
UpdateStatus("Error loading network card list");
}
}
private void LogDeviceList()
{
LivePcapDeviceList deviceList = LivePcapDeviceList.Instance;
if (deviceList.Count < 1)
{
Log("No devices were found on this machine");
}
else
{
Log(String.Format("The following devices are available on this machine:{0}", Environment.NewLine));
foreach (LivePcapDevice device in deviceList)
{
Log(device.Interface.FriendlyName);
Log(String.Format("{0}: {1}", device.Description, device.Interface.Name));
PcapAddress address = GetIPV4Sockddr(device);
Log(address.ToString());
}
}
}
private void StartFilter()
{
m_Device = null;
while (!m_bStop)
{
try
{
LivePcapDeviceList devices = null;
devices = LivePcapDeviceList.Instance;
int i = 0;
/* Scan the list printing every entry */
foreach (LivePcapDevice dev in devices)
{
if (dev.Description.ToString() == m_strNIC)
{
m_Device = devices[i];
break;
}
else
{
i++;
}
}
if (m_Device == null)
{
m_IStatusUpdate.UpdateStatus("Failed to get handle to NIC");
}
else
{
//Open the device for capturing
int readTimeoutMilliseconds = 1000;
m_Device.Open(DeviceMode.Promiscuous, readTimeoutMilliseconds);
//Register our handler function to the 'packet arrival' event
m_Device.OnPacketArrival += new PacketArrivalEventHandler(device_OnPacketArrival);
// udpdump filter to capture only UDP/IP packets
string filter = "udp";
m_Device.SetFilter(filter);
if (m_dtBound != DateTime.MaxValue)
{
m_IStatusUpdate.UpdateStatus("Next update at " + (m_dtBound + m_spanLease).ToString());
}
else
{
m_IStatusUpdate.UpdateStatus("Started DHCP Client...");
}
// Start capture packets
m_Device.Capture();
// NO stop request...
if (!m_bStop)
{
if (m_Device != null)
{
m_Device.Close();
m_Device = null;
}
}
}
}
catch (Exception exc)
{
m_IStatusUpdate.UpdateStatus("Exception: " + exc.Message);
try
{
m_Device.Close();
}
catch (Exception)
{ }
m_Device = null;
}
Thread.Sleep(1000);
}
}
