internal static void AddPacket(IPPacket packet)
{
ensureQueueExists();
HW.Network.NetworkDevice nic = TCPIPStack.FindInterface(packet.SourceIP);
packet.SourceMAC = nic.MACAddress;
queue.Add(new BufferEntry(nic, packet));
}
internal static void AddPacket(IPPacket packet)
{
ensureQueueExists();
HW.Network.NetworkDevice nic = TCPIPStack.FindInterface(packet.SourceIP);
packet.SourceMAC = nic.MACAddress;
queue.Add(new BufferEntry(nic, packet));
}
private static void IPv4Handler(byte[] packetData)
{
TCPIP.IPPacket ip_packet = new TCPIP.IPPacket(packetData);
ARP.ARPCache.Update(ip_packet.SourceIP, ip_packet.SourceMAC);
if ((addressMap.ContainsKey(ip_packet.DestinationIP.To32BitNumber()) == true) ||
(ip_packet.DestinationIP.address[3] == 255))
{
switch (ip_packet.Protocol)
{
case 1:
IPv4_ICMPHandler(packetData);
break;
case 6:
IPv4_TCPHandler(packetData);
break;
case 17:
IPv4_UDPHandler(packetData);
break;
}
}
}
public BufferEntry(HW.Network.NetworkDevice nic, IPPacket packet)
{
this.NIC = nic;
this.Packet = packet;
this.Status = EntryStatus.ADDED;
}
protected UInt16 CalcOcCRC(UInt16 offset, UInt16 length)
{
return(IPPacket.CalcOcCRC(this.RawData, offset, length));
}
private static void IPv4Handler(byte[] packetData)
{
TCPIP.IPPacket ip_packet = new TCPIP.IPPacket(packetData);
ARP.ARPCache.Update(ip_packet.SourceIP, ip_packet.SourceMAC);
if ((addressMap.ContainsKey(ip_packet.DestinationIP.To32BitNumber()) == true) ||
(ip_packet.DestinationIP.address[3] == 255))
{
switch (ip_packet.Protocol)
{
case 1:
IPv4_ICMPHandler(packetData);
break;
case 6:
IPv4_TCPHandler(packetData);
break;
case 17:
IPv4_UDPHandler(packetData);
break;
}
}
}
public BufferEntry(HW.Network.NetworkDevice nic, IPPacket packet)
{
this.NIC = nic;
this.Packet = packet;
this.Status = EntryStatus.ADDED;
}
