private void ReceivePacketListener(IAsyncResult result)
{
//try {
int received = socket.EndReceive(result);
try {
byte[] data = new byte[received];
Array.Copy(buffer, 0, data, 0, received);
/*
* //ensure that the IP type is correct
* if(this.basePacketType==PacketReceivedEventArgs.PacketTypes.IPv4Packet) {
* if(data!=null && data.Length>0 && (data[0]>>4)==0x06)
* this.basePacketType= PacketReceivedEventArgs.PacketTypes.IPv6Packet;
* }
* else if(this.basePacketType== PacketReceivedEventArgs.PacketTypes.IPv6Packet) {
* if(data!=null && data.Length>0 && (data[0]>>4)==0x04)
* this.basePacketType= PacketReceivedEventArgs.PacketTypes.IPv4Packet;
* }
* */
PacketReceivedEventArgs eventArgs = new PacketReceivedEventArgs(data, DateTime.Now, this.BasePacketType);
PacketReceived(this, eventArgs);
//OnNewPacket(new Packet(packet));
}
catch { } // invalid packet; ignore
if (this.snifferActive)
{
socket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(this.ReceivePacketListener), null);
}
// }
//catch {
//Stop();
//}
}
//callback-function in order to remove packets from dotnetWinpCap
//private void ReceivePacketListener(object sender, PacketHeader ph, byte[] data) {
private void ReceivePacketListener(object sender, NetworkWrapper.PcapHeader ph, byte[] data)
{
nPacketsReceived++;
//detect the DataLinkType (see PcapFileReader) to see if it is Ethernet or WLAN
//At the moment I will just assume it is Ethernet2
PacketReceivedEventArgs eventArgs = new PacketReceivedEventArgs(data, ph.TimeStamp, this.basePacketType);
PacketReceived(this, eventArgs);
}
void packetQueue_OnPacketReceive(object sender, IntPtr ThParam, IntPtr hPacket, IntPtr pPacketData, uint IncPacketSize)
{
//throw new Exception("The method or operation is not implemented.");
PacketReceivedEventArgs.PacketTypes packetBaseType;
//byte* pPkt = (byte*)pPacketData;
microOLAP.PSSDK.HNPacket packet = new microOLAP.PSSDK.HNPacket();
packet.Handle = hPacket;
if (packet.MediumType == microOLAP.PSSDK.HNNetAdapterType.atEthernet)
{
packetBaseType = PacketReceivedEventArgs.PacketTypes.Ethernet2Packet;
}
else//I think it will be ethernet always...
{
packetBaseType = PacketReceivedEventArgs.PacketTypes.Ethernet2Packet;
}
byte[] byteArray = new byte[packet.PacketSize];
System.Runtime.InteropServices.Marshal.Copy(packet.PacketData, byteArray, 0, byteArray.Length);
DateTime packetTimestamp;
if (packet.TimeStamp < (new DateTime(1970, 1, 1)).Ticks)
{
packetTimestamp = new DateTime(1601, 1, 1).AddTicks(packet.TimeStamp).ToLocalTime();
}
else
{
packetTimestamp = new DateTime(packet.TimeStamp).ToLocalTime();
}
PacketReceivedEventArgs eventArgs = new PacketReceivedEventArgs(byteArray, packetTimestamp, packetBaseType);
PacketReceived(this, eventArgs);
//PacketReceived(this,
/*unsafe {
* byte* packetDataPointer=(byte*)pPacketData;
*
* PacketReceivedEventArgs eventArgs=new PacketReceivedEventArgs((byte[])packetDataPointer, new DateTime(packet.TimeStamp), packetBaseType);
* PacketReceived(this, eventArgs);
* }*/
}
