public static IReader GetReader(string path)
{
Contract.Requires<ArgumentNullException>(!string.IsNullOrWhiteSpace(path), "path cannot be null or empty");
Contract.Requires<ArgumentException>(File.Exists(path), "file must exists");
UInt32 mask = 0;
using (FileStream stream = new FileStream(path, FileMode.Open))
{
using (BinaryReader binaryReader = new BinaryReader(stream))
{
if (binaryReader.BaseStream.Length < 12)
throw new ArgumentException(string.Format("[IReaderFactory.GetReader] file {0} is too short ", path));
mask = binaryReader.ReadUInt32();
if (mask == (uint)BaseBlock.Types.SectionHeader)
{
binaryReader.ReadUInt32();
mask = binaryReader.ReadUInt32();
}
}
}
switch (mask)
{
case (uint)Pcap.SectionHeader.MagicNumbers.microsecondIdentical:
case (uint)Pcap.SectionHeader.MagicNumbers.microsecondSwapped:
case (uint)Pcap.SectionHeader.MagicNumbers.nanosecondSwapped:
case (uint)Pcap.SectionHeader.MagicNumbers.nanosecondIdentical:
{
IReader reader = new PcapReader(path);
return reader;
}
case (uint)PcapNG.BlockTypes.SectionHeaderBlock.MagicNumbers.Identical:
{
IReader reader = new PcapNGReader(path, false);
return reader;
}
case (uint)PcapNG.BlockTypes.SectionHeaderBlock.MagicNumbers.Swapped:
{
IReader reader = new PcapNGReader(path, true);
return reader;
}
default:
throw new ArgumentException(string.Format("[IReaderFactory.GetReader] file {0} is not PCAP/PCAPNG file", path));
}
}
public static void PcapReader_IncopletedFileStream_Test(int maxLength)
{
byte[] data = { 212, 195, 178, 161, 2, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 1, 0, 0, 0, 89, 92, 28, 85, 58, 246, 7, 0, 124, 0, 0, 0, 124, 0, 0, 0, 68, 109, 87, 125, 40, 18, 192, 74, 0, 154, 76, 44, 8, 0, 69, 0, 0, 110, 100, 55, 0, 0, 117, 17, 76, 144, 37, 157, 173, 13, 192, 168, 1, 101, 130, 165, 130, 165, 0, 90, 107, 107, 0, 25, 137, 153, 119, 253, 219, 183, 207, 74, 89, 213, 110, 239, 3, 75, 110, 227, 57, 128, 86, 105, 94, 91, 40, 2, 126, 2, 227, 250, 106, 221, 113, 98, 211, 229, 10, 134, 44, 193, 245, 77, 75, 238, 69, 78, 16, 195, 254, 113, 224, 43, 130, 205, 115, 131, 90, 245, 238, 164, 68, 27, 45, 26, 73, 234, 87, 155, 38, 207, 55, 185, 252, 116, 214, 9, 21, 191, 90, 47, 72, 237, 89, 92, 28, 85, 238, 252, 7, 0, 124, 0, 0, 0, 124, 0, 0, 0, 192, 74, 0, 154, 76, 44, 68, 109, 87, 125, 40, 18, 8, 0, 69, 0, 0, 110, 86, 139 };
data = data.Take(maxLength).ToArray();
using (MemoryStream stream = new MemoryStream(data))
{
using (PcapReader reader = new PcapReader(stream))
{
reader.OnReadPacketEvent += (context, packet) =>
{
IPacket ipacket = packet;
};
reader.OnExceptionEvent += (sender, exc) =>
{
ExceptionDispatchInfo.Capture(exc).Throw();
};
reader.ReadPackets(new System.Threading.CancellationToken());
var a = reader.Header;
}
}
}
public static void PcapReader_IncopletedFileStream_Test(int maxLength)
{
byte[] data = { 212, 195, 178, 161, 2, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 1, 0, 0, 0, 89, 92, 28, 85, 58, 246, 7, 0, 124, 0, 0, 0, 124, 0, 0, 0, 68, 109, 87, 125, 40, 18, 192, 74, 0, 154, 76, 44, 8, 0, 69, 0, 0, 110, 100, 55, 0, 0, 117, 17, 76, 144, 37, 157, 173, 13, 192, 168, 1, 101, 130, 165, 130, 165, 0, 90, 107, 107, 0, 25, 137, 153, 119, 253, 219, 183, 207, 74, 89, 213, 110, 239, 3, 75, 110, 227, 57, 128, 86, 105, 94, 91, 40, 2, 126, 2, 227, 250, 106, 221, 113, 98, 211, 229, 10, 134, 44, 193, 245, 77, 75, 238, 69, 78, 16, 195, 254, 113, 224, 43, 130, 205, 115, 131, 90, 245, 238, 164, 68, 27, 45, 26, 73, 234, 87, 155, 38, 207, 55, 185, 252, 116, 214, 9, 21, 191, 90, 47, 72, 237, 89, 92, 28, 85, 238, 252, 7, 0, 124, 0, 0, 0, 124, 0, 0, 0, 192, 74, 0, 154, 76, 44, 68, 109, 87, 125, 40, 18, 8, 0, 69, 0, 0, 110, 86, 139 };
data = data.Take(maxLength).ToArray();
using (MemoryStream stream = new MemoryStream(data))
{
using (PcapReader reader = new PcapReader(stream))
{
reader.OnReadPacketEvent += (context, packet) =>
{
IPacket ipacket = packet;
};
reader.OnExceptionEvent += (sender, exc) =>
{
ExceptionDispatchInfo.Capture(exc).Throw();
};
reader.ReadPackets(new System.Threading.CancellationToken());
var a = reader.Header;
}
}
}
