private void SendCaptureFile()
{
if (!ValidateUserInput())
{
return;
}
// Get the network device through which the packets will be sent.
PcapDevice device = chooseDeviceUserControl.Device;
// Get an offline file pcap device
PcapDevice offlineDevice = new PcapOfflineDevice(textBoxCaptureFile.Text);
PcapSendQueue sendQueue = null;
bool isDeviceOpenedInThisForm = false;
try
{
Cursor = Cursors.WaitCursor;
if (!device.Opened)
{
device.Open();
isDeviceOpenedInThisForm = true;
}
// Open the device for capturing
offlineDevice.Open();
// Allocate a new send queue
sendQueue = new PcapSendQueue
((int)((PcapOfflineDevice)offlineDevice).FileSize);
Packet packet;
// Go through all packets in the file and add to the queue
while ((packet = offlineDevice.GetNextPacket()) != null)
{
if (!sendQueue.Add(packet))
{
MessageBox.Show(
"Packet buffer too small, not all the packets will be sent.",
"Warning",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
break;
}
}
if (device.PcapDataLink != offlineDevice.PcapDataLink)
{
DialogResult answer = MessageBox.Show(
"The datalink of the capture differs from the one of the" +
"\nselected interface. Do you want to continue?",
"Question",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
if (answer == DialogResult.No)
{
return;
}
}
int bytesSent = device.SendQueue(sendQueue, false);
if (bytesSent < sendQueue.CurrentLength)
{
MessageBox.Show(
String.Format("An error occurred sending the packets: {0}.\nOnly {1} bytes were sent.", device.LastError, bytesSent),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
// Close the pcap device
offlineDevice.Close();
// Free the queue
if (sendQueue != null)
{
sendQueue.Dispose();
}
if (isDeviceOpenedInThisForm)
{
device.Close();
}
Cursor = Cursors.Default;
}
}
public static void Main(string[] args)
{
string ver = SharpPcap.Version.VersionString;
/* Print SharpPcap version */
Console.WriteLine("SharpPcap {0}, Example10.SendQueues.cs", ver);
Console.WriteLine();
Console.Write("-- Please enter an input capture file name: ");
string capFile = Console.ReadLine();
PcapDevice device;
try
{
//Get an offline file pcap device
device = SharpPcap.Pcap.GetPcapOfflineDevice( capFile );
//Open the device for capturing
device.Open();
}
catch(Exception e)
{
Console.WriteLine(e.Message);
return;
}
Console.Write("Queueing packets...");
//Allocate a new send queue
PcapSendQueue squeue = new PcapSendQueue
( (int)((PcapOfflineDevice)device).FileSize );
Packet packet;
try
{
//Go through all packets in the file and add to the queue
while( (packet=device.GetNextPacket()) != null )
{
if( !squeue.Add( packet ) )
{
Console.WriteLine("Warning: packet buffer too small, "+
"not all the packets will be sent.");
break;
}
}
}
catch(Exception e)
{
Console.WriteLine(e.Message);
return;
}
Console.WriteLine("OK");
Console.WriteLine();
Console.WriteLine("The following devices are available on this machine:");
Console.WriteLine("----------------------------------------------------");
Console.WriteLine();
int i=0;
List<PcapDevice> devices = SharpPcap.Pcap.GetAllDevices();
/* Scan the list printing every entry */
foreach(PcapDevice dev in devices)
{
/* Description */
Console.WriteLine("{0}) {1} {2}", i, dev.Name, dev.Description);
i++;
}
Console.WriteLine();
Console.Write("-- Please choose a device to transmit on: ");
i = int.Parse( Console.ReadLine() );
devices[i].Open();
string resp;
if(devices[i].PcapDataLink != device.PcapDataLink)
{
Console.Write("Warning: the datalink of the capture"+
" differs from the one of the selected interface, continue? [YES|no]");
resp = Console.ReadLine().ToLower();
if((resp!="")&&( !resp.StartsWith("y")))
{
Console.WriteLine("Cancelled by user!");
devices[i].Close();
return;
}
}
device.Close();
device = devices[i];
Console.Write("This will transmit all queued packets through"+
" this device, continue? [YES|no]");
resp = Console.ReadLine().ToLower();
if((resp!="")&&( !resp.StartsWith("y")))
{
Console.WriteLine("Cancelled by user!");
return;
}
try
{
Console.Write("Sending packets...");
int sent = device.SendQueue( squeue, true );
Console.WriteLine("Done!");
if( sent < squeue.CurrentLength )
{
Console.WriteLine("An error occurred sending the packets: {0}. "+
"Only {1} bytes were sent\n", device.LastError, sent);
}
}
catch(Exception e)
{
Console.WriteLine( "Error: "+e.Message );
}
//Free the queue
squeue.Dispose();
Console.WriteLine("-- Queue is disposed.");
//Close the pcap device
device.Close();
Console.WriteLine("-- Device closed.");
Console.Write("Hit 'Enter' to exit...");
Console.ReadLine();
}
public static void Main(string[] args)
{
string ver = SharpPcap.Version.VersionString;
/* Print SharpPcap version */
Console.WriteLine("SharpPcap {0}, Example10.SendQueues.cs", ver);
Console.WriteLine();
Console.Write("-- Please enter an input capture file name: ");
string capFile = Console.ReadLine();
PcapDevice device;
try
{
//Get an offline file pcap device
device = SharpPcap.Pcap.GetPcapOfflineDevice(capFile);
//Open the device for capturing
device.Open();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
Console.Write("Queueing packets...");
//Allocate a new send queue
PcapSendQueue squeue = new PcapSendQueue
((int)((PcapOfflineDevice)device).FileSize);
Packet packet;
try
{
//Go through all packets in the file and add to the queue
while ((packet = device.GetNextPacket()) != null)
{
if (!squeue.Add(packet))
{
Console.WriteLine("Warning: packet buffer too small, " +
"not all the packets will be sent.");
break;
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
Console.WriteLine("OK");
Console.WriteLine();
Console.WriteLine("The following devices are available on this machine:");
Console.WriteLine("----------------------------------------------------");
Console.WriteLine();
int i = 0;
List <PcapDevice> devices = SharpPcap.Pcap.GetAllDevices();
/* Scan the list printing every entry */
foreach (PcapDevice dev in devices)
{
/* Description */
Console.WriteLine("{0}) {1} {2}", i, dev.Name, dev.Description);
i++;
}
Console.WriteLine();
Console.Write("-- Please choose a device to transmit on: ");
i = int.Parse(Console.ReadLine());
devices[i].Open();
string resp;
if (devices[i].PcapDataLink != device.PcapDataLink)
{
Console.Write("Warning: the datalink of the capture" +
" differs from the one of the selected interface, continue? [YES|no]");
resp = Console.ReadLine().ToLower();
if ((resp != "") && (!resp.StartsWith("y")))
{
Console.WriteLine("Cancelled by user!");
devices[i].Close();
return;
}
}
device.Close();
device = devices[i];
Console.Write("This will transmit all queued packets through" +
" this device, continue? [YES|no]");
resp = Console.ReadLine().ToLower();
if ((resp != "") && (!resp.StartsWith("y")))
{
Console.WriteLine("Cancelled by user!");
return;
}
try
{
Console.Write("Sending packets...");
int sent = device.SendQueue(squeue, true);
Console.WriteLine("Done!");
if (sent < squeue.CurrentLength)
{
Console.WriteLine("An error occurred sending the packets: {0}. " +
"Only {1} bytes were sent\n", device.LastError, sent);
}
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.Message);
}
//Free the queue
squeue.Dispose();
Console.WriteLine("-- Queue is disposed.");
//Close the pcap device
device.Close();
Console.WriteLine("-- Device closed.");
Console.Write("Hit 'Enter' to exit...");
Console.ReadLine();
}
static void Main1(string[] args)
{
string ver = Tamir.IPLib.Version.GetVersionString();
/* Print SharpPcap version */
Console.WriteLine("SharpPcap {0}, Example9.SendPacket.cs", ver);
Console.WriteLine();
/* Retrieve the device list */
PcapDeviceList devices = SharpPcap.GetAllDevices();
/*If no device exists, print error */
if (devices.Count < 1)
{
Console.WriteLine("No device found on this machine");
return;
}
Console.WriteLine("The following devices are available on this machine:");
Console.WriteLine("----------------------------------------------------");
Console.WriteLine();
int i = 0;
/* Scan the list printing every entry */
foreach (PcapDevice dev in devices)
{
/* Description */
Console.WriteLine("{0}) {1}", i, dev.PcapDescription);
i++;
}
Console.WriteLine();
Console.Write("-- Please choose a device to send a packet on: ");
i = int.Parse(Console.ReadLine());
PcapDevice device = devices[i];
Console.Write("-- This will send a random packet out this interface," +
"continue? [YES|no]");
string resp = Console.ReadLine().ToLower();
//If user refused, exit program
if (resp == "n" || resp == "no")
{
return;
}
PcapSendQueue queue = new PcapSendQueue(10000);
byte[] bytes;
bytes = GetRandomPacket();
queue.Add(GetRandomPacket(), 0, 0);
Console.WriteLine(queue.CurrentLength);
queue.Add(GetRandomPacket(), 0, 10);
Console.WriteLine(queue.CurrentLength);
queue.Add(GetRandomPacket(), 2, 0);
Console.WriteLine(queue.CurrentLength);
queue.Add(GetRandomPacket(), 2, 1);
Console.WriteLine(queue.CurrentLength);
//Open the device
device.PcapOpen();
Console.WriteLine(device.PcapSendQueue(queue, true));
Console.WriteLine(device.PcapLastError);
device.PcapClose();
queue.Dispose();
Console.WriteLine(" device closed");
}
