public void ResolveDestinationMacFor(ScanningOptions options, CancellationToken ct)
{
using (PacketCommunicator communicator = options.Device.Open(65535, PacketDeviceOpenAttributes.None, 100))
{
Packet request = ArpPacketFactory.CreateRequestFor(options);
communicator.SetFilter("arp and src " + options.TargetIP + " and dst " + options.SourceIP);
communicator.SendPacket(request);
while (true)
{
if (ct.IsCancellationRequested)
{
return;
}
Packet responce;
PacketCommunicatorReceiveResult result = communicator.ReceivePacket(out responce);
switch (result)
{
case PacketCommunicatorReceiveResult.Timeout:
communicator.SendPacket(request);
continue;
case PacketCommunicatorReceiveResult.Ok:
options.TargetMac = ParseSenderMacFrom(responce);
return;
}
}
}
}
public void Scan(ScanningOptions options)
{
if (this.IsBusy)
{
throw new InvalidOperationException("The scanner is busy now.");
}
options.CorrectPorts();
bool valid = this.validator.Validate(options);
if (valid)
{
this.options = options;
}
else
{
throw new ArgumentException("Options are incorrect!", "options");
}
this.scanResults.Clear();
Console.WriteLine("Scanning...");
this.IsBusy = true;
this.SetupAndRunTasks();
}
public void ResolveDestinationMacFor(ScanningOptions options)
{
this.ResolveDestinationMacFor(options, CancellationToken.None);
}
