public static SectionHeader Parse(BinaryReader binaryReader)
{
bool reverseByteOrder = false;
long positionInStream = binaryReader.BaseStream.Position;
uint tempMagicNumber = binaryReader.ReadUInt32();
if (!Enum.IsDefined(typeof(MagicNumbers), tempMagicNumber))
{
throw new ArgumentException(string.Format("[SectionHeader.Parse] Unrecognized pcap magic number: {0}", tempMagicNumber.ToString("x")));
}
MagicNumbers magicNumber = (MagicNumbers)tempMagicNumber;
if (magicNumber == MagicNumbers.nanosecondIdentical || magicNumber == MagicNumbers.microsecondIdentical)
{
reverseByteOrder = false;
}
else
{
reverseByteOrder = true;
}
ushort major = binaryReader.ReadUInt16().ReverseByteOrder(reverseByteOrder);
ushort minor = binaryReader.ReadUInt16().ReverseByteOrder(reverseByteOrder);
int thiszone = binaryReader.ReadInt32().ReverseByteOrder(reverseByteOrder);
uint sigfigs = binaryReader.ReadUInt32().ReverseByteOrder(reverseByteOrder);
uint snaplen = binaryReader.ReadUInt32().ReverseByteOrder(reverseByteOrder);
uint linktype = binaryReader.ReadUInt32().ReverseByteOrder(reverseByteOrder);
if (!Enum.IsDefined(typeof(LinkTypes), (ushort)linktype))
{
throw new ArgumentException(string.Format("[SectionHeader.Parse] Invalid LinkTypes: {0}, block begin on position {1} ", linktype, positionInStream));
}
LinkTypes LinkType = (LinkTypes)linktype;
SectionHeader header = new SectionHeader(magicNumber, major, minor, thiszone, sigfigs, snaplen, LinkType);
return(header);
}
public PcapWriter(Stream stream, SectionHeader header)
{
Initialize(stream, header);
}