internal PpiPacket(Frame parentFrame, int packetStartIndex, int packetEndIndex)
: base(parentFrame, packetStartIndex, packetEndIndex, "PPI")
{
this.ppiLength = Utils.ByteConverter.ToUInt16(parentFrame.Data, packetStartIndex + 2, true);
if (!this.ParentFrame.QuickParse)
{
base.Attributes.Add("Length", "" + ppiLength);
}
uint dataLinkTypeUInt = Utils.ByteConverter.ToUInt32(parentFrame.Data, packetStartIndex + 4, 4, true);
this.dataLinkType = (PcapFileHandler.PcapFrame.DataLinkTypeEnum)dataLinkTypeUInt;
if (!this.ParentFrame.QuickParse)
{
base.Attributes.Add("Data Link Type", dataLinkType.ToString());
}
}
public static bool TryGetPacket(out Packets.AbstractPacket packet, PcapFileHandler.PcapFrame.DataLinkTypeEnum dataLinkType, Frame parentFrame, int startIndex, int endIndex)
{
return(TryGetPacket(out packet, GetPacketType(dataLinkType), parentFrame, startIndex, endIndex));
}
public static System.Type GetPacketType(PcapFileHandler.PcapFrame.DataLinkTypeEnum dataLinkType)
{
Type packetType = typeof(Packets.Ethernet2Packet);//use Ethernet as default
if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_ETHERNET)
{
packetType = typeof(Packets.Ethernet2Packet);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_IEEE_802_11 || dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_IEEE_802_11_WLAN_AVS)
{
packetType = typeof(Packets.IEEE_802_11Packet);
}
//802.11 after a RadioTap header
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_IEEE_802_11_WLAN_RADIOTAP)
{
packetType = typeof(Packets.IEEE_802_11RadiotapPacket);
}
//Or raw IP?
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_RAW_IP ||
dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_RAW_IP_2 ||
dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_RAW_IP_3 ||
dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_RAW_IP4)
{
packetType = typeof(Packets.IPv4Packet);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_RAW_IP6)
{
packetType = typeof(Packets.IPv6Packet);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_CHDLC)
{
packetType = typeof(Packets.CiscoHdlcPacket);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_SLL)
{
packetType = typeof(Packets.LinuxCookedCapture);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_PRISM_HEADER)
{
packetType = typeof(Packets.PrismCaptureHeaderPacket);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_PPI)
{
packetType = typeof(Packets.PpiPacket);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_PPP)
{
packetType = typeof(Packets.PointToPointPacket);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_NULL)
{
packetType = typeof(Packets.NullLoopbackPacket);
}
else if (dataLinkType == PcapFileHandler.PcapFrame.DataLinkTypeEnum.WTAP_ENCAP_ERF)
{
packetType = typeof(Packets.ErfFrame);
}
return(packetType);
}
