public static InterfaceStatisticsBlock Parse(BaseBlock baseBlock, Action <Exception> ActionOnException)
{
//Contract.Requires<ArgumentNullException>(baseBlock != null, "BaseBlock cannot be null");
//Contract.Requires<ArgumentNullException>(baseBlock.Body != null, "BaseBlock.Body cannot be null");
//Contract.Requires<ArgumentException>(baseBlock.BlockType == BaseBlock.Types.InterfaceStatistics, "Invalid packet type");
long positionInStream = baseBlock.PositionInStream;
using (Stream stream = new MemoryStream(baseBlock.Body))
{
using (BinaryReader binaryReader = new BinaryReader(stream))
{
int interfaceID = binaryReader.ReadInt32().ReverseByteOrder(baseBlock.ReverseByteOrder);
byte[] timestamp = binaryReader.ReadBytes(8);
if (timestamp.Length < 8)
{
throw new EndOfStreamException("Unable to read beyond the end of the stream");
}
TimestampHelper timestampHelper = new TimestampHelper(timestamp, baseBlock.ReverseByteOrder);
InterfaceStatisticsOption options = InterfaceStatisticsOption.Parse(binaryReader, baseBlock.ReverseByteOrder, ActionOnException);
InterfaceStatisticsBlock statisticBlock = new InterfaceStatisticsBlock(interfaceID, timestampHelper, options, positionInStream);
return(statisticBlock);
}
}
}
public static AbstractBlock ReadNextBlock(BinaryReader binaryReader, bool bytesReorder, Action <Exception> ActionOnException)
{
Contract.Requires <ArgumentNullException>(binaryReader != null, "binaryReader cannot be null");
try
{
BaseBlock baseblock = new BaseBlock(binaryReader, bytesReorder);
AbstractBlock block = null;;
switch (baseblock.BlockType)
{
case BaseBlock.Types.SectionHeader:
block = SectionHeaderBlock.Parse(baseblock, ActionOnException);
break;
case BaseBlock.Types.InterfaceDescription:
block = InterfaceDescriptionBlock.Parse(baseblock, ActionOnException);
break;
case BaseBlock.Types.Packet:
block = PacketBlock.Parse(baseblock, ActionOnException);
break;
case BaseBlock.Types.SimplePacket:
block = SimplePacketBlock.Parse(baseblock, ActionOnException);
break;
case BaseBlock.Types.NameResolution:
block = NameResolutionBlock.Parse(baseblock, ActionOnException);
break;
case BaseBlock.Types.InterfaceStatistics:
block = InterfaceStatisticsBlock.Parse(baseblock, ActionOnException);
break;
case BaseBlock.Types.EnhancedPacket:
block = EnchantedPacketBlock.Parse(baseblock, ActionOnException);
break;
default:
break;
}
return(block);
}
catch (Exception exc)
{
ActionOnException(exc);
return(null);
}
}
public static void AbstractBlockFactory_ConvertTo_InterfaceStatisticBlock_Test()
{
byte[] byteblock = { 5, 0, 0, 0, 108, 0, 0, 0, 1, 0, 0, 0, 34, 18, 5, 0, 87, 234, 56, 202, 1, 0, 28, 0, 67, 111, 117, 110, 116, 101, 114, 115, 32, 112, 114, 111, 118, 105, 100, 101, 100, 32, 98, 121, 32, 100, 117, 109, 112, 99, 97, 112, 2, 0, 8, 0, 34, 18, 5, 0, 36, 137, 18, 202, 3, 0, 8, 0, 34, 18, 5, 0, 87, 234, 56, 202, 4, 0, 8, 0, 56, 0, 0, 0, 0, 0, 0, 0, 5, 0, 8, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 108, 0, 0, 0 };
using (MemoryStream stream = new MemoryStream(byteblock))
{
using (BinaryReader binaryReader = new BinaryReader(stream))
{
AbstractBlock block = AbstractBlockFactory.ReadNextBlock(binaryReader, false, null);
Assert.IsNotNull(block);
InterfaceStatisticsBlock interfaceBlock = block as InterfaceStatisticsBlock;
Assert.IsNotNull(interfaceBlock);
Assert.AreEqual(interfaceBlock.InterfaceID, 1);
Assert.AreEqual(interfaceBlock.Timestamp.Seconds, 1427315514);
Assert.AreEqual(interfaceBlock.Timestamp.Microseconds, 468951);
Assert.AreEqual(interfaceBlock.Options.Comment, "Counters provided by dumpcap");
Assert.AreEqual(interfaceBlock.Options.InterfaceDrop, 1);
Assert.AreEqual(interfaceBlock.Options.InterfaceReceived, 56);
Assert.AreEqual(interfaceBlock.Options.StartTime.Seconds, 1427315511);
Assert.AreEqual(interfaceBlock.Options.StartTime.Microseconds, 953700);
Assert.AreEqual(interfaceBlock.Options.EndTime.Seconds, 1427315514);
Assert.AreEqual(interfaceBlock.Options.EndTime.Microseconds, 468951);
}
}
}
public static InterfaceStatisticsBlock Parse(BaseBlock baseBlock, Action<Exception> ActionOnException)
{
Contract.Requires<ArgumentNullException>(baseBlock != null, "BaseBlock cannot be null");
Contract.Requires<ArgumentNullException>(baseBlock.Body != null, "BaseBlock.Body cannot be null");
Contract.Requires<ArgumentException>(baseBlock.BlockType == BaseBlock.Types.InterfaceStatistics, "Invalid packet type");
long positionInStream = baseBlock.PositionInStream;
using (Stream stream = new MemoryStream(baseBlock.Body))
{
using (BinaryReader binaryReader = new BinaryReader(stream))
{
int interfaceID = binaryReader.ReadInt32().ReverseByteOrder(baseBlock.ReverseByteOrder);
byte[] timestamp = binaryReader.ReadBytes(8);
if (timestamp.Length < 8)
throw new EndOfStreamException("Unable to read beyond the end of the stream");
TimestampHelper timestampHelper = new TimestampHelper(timestamp, baseBlock.ReverseByteOrder);
InterfaceStatisticsOption options = InterfaceStatisticsOption.Parse(binaryReader, baseBlock.ReverseByteOrder, ActionOnException);
InterfaceStatisticsBlock statisticBlock = new InterfaceStatisticsBlock(interfaceID, timestampHelper, options, positionInStream);
return statisticBlock;
}
}
}
