private void ParsePacketBlock(Int64 offset, Boolean swapValue, List <PcapNgInterface> sectionIfaceList, UInt32 index)
{
var interfaceId = this.GetPacketBlockInterfaceId(offset, swapValue);
if (sectionIfaceList.Count() <= interfaceId || sectionIfaceList[interfaceId].InterfaceId != interfaceId)
{
throw new PcapNgParsingErrorException("No such an interface !");
}
var iface = sectionIfaceList[interfaceId];
var dropCount = this.GetPacketBlockDropsCount(offset, swapValue);
var timeStamp = (UInt64)this.GetPacketBlockTimestampH(offset, swapValue) << 32 | this.GetPacketBlockTimestampL(offset, swapValue);
var capturedLen = this.GetPacketBlockCapturedLen(offset, swapValue);
var packetLen = this.GetPacketBlockPacketLen(offset, swapValue);
var blockLen = this.GetGeneralBlockTotalLength(offset, swapValue);
var packetTimeStamp = this.ConvertUint64ToTimeStamp(timeStamp, iface);
//DateTime packetTimeStamp = DateTime.Now;
var newFrame = new PmFramePcapNg(this.PmCapture, index, offset, ConvertPcapNgLayer2ToCommonLayer2((PcapNgLinkType)iface.LinkType), packetTimeStamp, packetLen,
capturedLen, PmFramePcapNg.FrameBLockType.PacketBlock, iface);
this.PmCapture.Frames.Add(newFrame);
}
private async Task ParseEnhancedPacketBlock(Int64 offset, Boolean swapValue, List <PcapNgInterface> sectionIfaceList, UInt32 index)
{
//PmConsolePrinter.PrintDebug("Enhanced Packet Block " + offset);
var ifaceId = this.GetEhcPacketBlockInterfaceId(offset, swapValue);
if (sectionIfaceList.Count() <= ifaceId || sectionIfaceList[(Int32)ifaceId].InterfaceId != ifaceId)
{
throw new PcapNgParsingErrorException("No such an interface !");
}
var iface = sectionIfaceList[(Int32)ifaceId];
var timeStamp = (UInt64)this.GetEhcPacketBlockTimestampH(offset, swapValue) << 32 | this.GetEhcPacketBlockTimestampL(offset, swapValue);
var capturedLen = this.GetEhcPacketBlockCapturedLen(offset, swapValue);
var packetLen = this.GetEhcPacketBlockPacketLen(offset, swapValue);
var blockLen = this.GetGeneralBlockTotalLength(offset, swapValue);
var packetTimeStamp = this.ConvertUint64ToTimeStamp(timeStamp, iface);
var newFrame = new PmFramePcapNg(this.PmCapture, index, offset, ConvertPcapNgLayer2ToCommonLayer2((PcapNgLinkType)iface.LinkType), packetTimeStamp, packetLen,
capturedLen, PmFramePcapNg.FrameBLockType.EnhancedPacket, iface);
var currentOffset = offset + 28 + this.AdjustLength(capturedLen);
var eofBlockOffset = offset + blockLen - 4;
//bool eofFound = false;
while (currentOffset < eofBlockOffset)
{
var optionCode = this.GetOptionCode(currentOffset, swapValue);
var optionLength = this.GetOptionLength(currentOffset, swapValue);
var dataOffset = currentOffset + 4;
switch ((EnhancedPacketBlockOptions)optionCode)
{
case EnhancedPacketBlockOptions.EpbFlags:
newFrame.EpbFlags = this.GetOptionBytes(dataOffset, 4);
break;
case EnhancedPacketBlockOptions.EpbHash:
newFrame.EpbHash = this.GetOptionBytes(dataOffset, optionLength);
break;
case EnhancedPacketBlockOptions.EpbDropcount:
newFrame.Dropcount = this.GetOptionUint64(dataOffset, swapValue);
break;
}
currentOffset += this.AdjustLength(optionLength) + 4;
}
await this.PmMetaFramesBufferBlock.SendAsync(newFrame);
}
private async Task ParseSimplyPacketBlock(Int64 offset, Boolean swapValue, List <PcapNgInterface> sectionIfaceList, UInt32 index)
{
//PmConsolePrinter.PrintDebug("Simply Packet Block " + offset);
if (!sectionIfaceList.Any())
{
throw new PcapNgParsingErrorException("No interface for this packet !");
}
var packetLen = this.GetSimplyPacketBlockPacketLen(offset, swapValue);
var packetTimeStamp = new DateTime(0, 0, 0, 0, 0, 0);
var newFrame = new PmFramePcapNg(this.PmCapture, index, offset, ConvertPcapNgLayer2ToCommonLayer2((PcapNgLinkType)sectionIfaceList.First().LinkType), packetTimeStamp,
packetLen, packetLen, PmFramePcapNg.FrameBLockType.SimplePacket, sectionIfaceList.First());
await this.PmMetaFramesBufferBlock.SendAsync(newFrame);
}
