/// <summary>
/// Send a queue of raw packets to the network.
/// </summary>
/// <param name="device">The PcapDevice on which to send the queue</param>
/// <param name="synchronize">determines if the send operation must be synchronized:
/// if it is non-zero, the packets are sent respecting the timestamps,
/// otherwise they are sent as fast as possible
/// <returns></returns>
public int Transmit(PcapDevice device, bool synchronize)
{
if (!device.PcapOpened)
{
throw new PcapException("Can't transmit queue, the pcap device is closed.");
}
if (m_queue == IntPtr.Zero)
{
throw new PcapException("Can't transmit queue, this queue is disposed");
}
int sync = synchronize ? 1 : 0;
return(SharpPcap.pcap_sendqueue_transmit(device.PcapHandle, m_queue, sync));
}
/// <summary>
/// Stellt eine Klasse da die das Sniffen von Packets regelt
/// </summary>
/// <param name="port">Der Port auf den der TCPStreamAssembler horchen soll</param>
public L2NetSniffer(PcapDevice device, int dst_port)
{
this.dst_port = dst_port;
this.device = device;
/*
* (((ip.src == 192.168.100.150) && (tcp.dstport == 7777) ) || ((ip.src == 78.46.33.43) && (tcp.dstport == 52784)))
*/
this.tcpDumpFilter = "port " + dst_port;
this.clientStr = new L2NetStream();
this.serverStr = new L2NetStream();
// TODO: wenn keine devices gefunden wurden, Meldung
this.Init();
}
/// <summary>
/// Initialisiert die SnifferControll
/// </summary>
/// <param name="device">Das PcapDevice mit dem gesnifft werden soll</param>
/// <param name="filter">Der TCPDumpfilter der angewendet werden soll</param>
public void Init(PcapDevice device, string filter)
{
this.device = device;
this.tcpDumpFilter = filter;
//Register our handler function to the 'packet arrival' event
this.device.PcapOnPacketArrival +=
new SharpPcap.PacketArrivalEvent(device_PcapOnPacketArrival);
//Open the device for capturing
//true -- means promiscuous mode
//1000 -- means a read wait of 1000ms
this.device.PcapOpen(false, 100);
//Associate the filter with this capture
this.device.PcapSetFilter(this.tcpDumpFilter);
}
public void Remove( PcapDevice value )
{
List.Remove( value );
}
public void Insert( int index, PcapDevice value )
{
List.Insert( index, value );
}
public int IndexOf( PcapDevice value )
{
return( List.IndexOf( value ) );
}
public bool Contains( PcapDevice value )
{
// If value is not of type PcapDevice, this will return false.
return( List.Contains( value ) );
}
public int Add( PcapDevice value )
{
return( List.Add( value ) );
}
/// <summary>
/// Send a queue of raw packets to the network.
/// </summary>
/// <param name="device">The PcapDevice on which to send the queue</param>
/// <param name="synchronize">determines if the send operation must be synchronized:
/// if it is non-zero, the packets are sent respecting the timestamps,
/// otherwise they are sent as fast as possible
/// <returns></returns>
public int Transmit( PcapDevice device, bool synchronize)
{
if(!device.PcapOpened)
throw new PcapException("Can't transmit queue, the pcap device is closed.");
if(m_queue==IntPtr.Zero)
{
throw new PcapException("Can't transmit queue, this queue is disposed");
}
int sync = synchronize ? 1 : 0;
return SharpPcap.pcap_sendqueue_transmit(device.PcapHandle, m_queue, sync);
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
int index = comboBox1.SelectedIndex;
dev = devices[index];
this.propertyGrid1.SelectedObject = (dev as NetworkDevice);
}
public bool Contains(PcapDevice value)
{
// If value is not of type PcapDevice, this will return false.
return(List.Contains(value));
}
public void Remove(PcapDevice value)
{
List.Remove(value);
}
public void Insert(int index, PcapDevice value)
{
List.Insert(index, value);
}
public int IndexOf(PcapDevice value)
{
return(List.IndexOf(value));
}
public int Add(PcapDevice value)
{
return(List.Add(value));
}
private void buttonOk_Click(object sender, EventArgs e)
{
this.selectedDevice = this.deviceList[this.comboBoxDevices.SelectedIndex];
this.port = (int)this.numericUpDown1.Value;
this.Hide();
}
