public EthernetController(DSystem system)
{
_system = system;
_fifo = new Queue <ushort>();
_inputPacket = new Queue <ushort>();
_outputPacket = new Queue <ushort>();
_pendingPackets = new Queue <MemoryStream>();
_crc32 = new CRC32();
// Attach real Ethernet device if user has specified one, otherwise leave unattached; output data
// will go into a bit-bucket.
try
{
if (Configuration.HostRawEthernetInterfacesAvailable &&
!string.IsNullOrWhiteSpace(Configuration.HostPacketInterfaceName))
{
_hostInterface = new HostEthernetEncapsulation(Configuration.HostPacketInterfaceName);
_hostInterface.RegisterReceiveCallback(OnHostPacketReceived);
}
}
catch (Exception e)
{
_hostInterface = null;
Log.Write(LogComponent.HostEthernet, "Unable to configure network interface. Error {0}", e.Message);
}
_readerLock = new ReaderWriterLockSlim();
// Start the ethernet reciever poll event, this will run forever.
_system.Scheduler.Schedule(_receiverPollInterval, ReceiverPollCallback);
Reset();
}
private void AttachHostEthernet()
{
// Attach real Ethernet device if user has specified one, otherwise leave unattached; output data
// will go into a bit-bucket.
try
{
if (Configuration.HostPacketInterfaceName == NethubInterface.NETHUB_NAME)
{
_hostInterface = new NethubInterface();
_hostInterface.RegisterReceiveCallback(OnHostPacketReceived);
}
else if (Configuration.HostRawEthernetInterfacesAvailable &&
!string.IsNullOrWhiteSpace(Configuration.HostPacketInterfaceName))
{
_hostInterface = new HostEthernetEncapsulation(Configuration.HostPacketInterfaceName);
_hostInterface.RegisterReceiveCallback(OnHostPacketReceived);
}
}
catch (Exception e)
{
_hostInterface = null;
Log.Write(LogType.Error, LogComponent.HostEthernet,
"Unable to configure network interface '{0}': Error {1}",
Configuration.HostPacketInterfaceName,
e.Message);
}
}