private static bool ShouldLogPacket(StackConsts.HCI_PacketType t,
int originalLen, out int snapShotLen)
{
if (t == StackConsts.HCI_PacketType.HCICommandPacket ||
t == StackConsts.HCI_PacketType.HCIEventPacket)
{
snapShotLen = originalLen;
return(true);
}
if (t == StackConsts.HCI_PacketType.HCIACLDataPacket)
{
const int MaxSnap = 300; //----32;
snapShotLen = Math.Min(MaxSnap, originalLen);
return(true);
}
snapShotLen = -1;
return(false);
}
void WritePacketToPcap(Stream dst, DateTime dt,
StackConsts.HCI_PacketType h4PacketType,
byte[] packet, int snapShotLen, int originalLen,
bool directionIsSent)
{
Debug.Assert(snapShotLen <= originalLen);
const int SizeOfH4Header = 1;
const int SizeOfPHdr = 4;
int optionalSizeOfPHdr = (WithPhdr ? SizeOfPHdr : 0);
WritePcapPacketHeader(dst, dt,
snapShotLen + SizeOfH4Header + optionalSizeOfPHdr,
originalLen + SizeOfH4Header + optionalSizeOfPHdr);
if (WithPhdr)
{
WritePhdr(dst, directionIsSent);
}
dst.WriteByte((byte)h4PacketType);
dst.Write(packet, 0, snapShotLen);
}
private void WriteToRawFile(Stream dst, Boolean PacketSent,
IntPtr pHCIPacket, Structs.HCI_Packet hciPacket,
StackConsts.HCI_PacketType t,
byte[] data, int snapShotLen, int originalLen)
{
dst.WriteByte(PacketSent ? (byte)1 : (byte)0);
dst.WriteByte((byte)t);
Stream_WriteInt32(dst, snapShotLen);
Stream_WriteInt32(dst, snapShotLen);
var count = 1 + 1 + 4 + 4;
//
dst.Write(data, 0, snapShotLen);
count += snapShotLen;
//
var over16 = count % 16;
if (over16 != 0)
{
dst.Write(PadTemplate, 0, 16 - over16);
}
}
