public Stream ToStream()
{
MemoryStream mem = null;
if (null != Packet)
{
if (0 <= Packet.Length)
{
mem = new MemoryStream(Packet);
mem.Position = 0;
return(mem);
} /* Packet has data. */
} /* Packet is not null. */
byte b;
byte[] buffer;
mem = new MemoryStream();
using (var writer = new BinaryWriter(mem))
{
b = Version.AddLowNibble(TrafficClass.HighNibble());
writer.Write(b);
b = TrafficClass.LowNibble().AddLowNibble(FlowLabel.GetBits(0, 4).ToByte());
writer.Write(b);
writer.Write((ushort)FlowLabel.GetBits(4, 12).ToInt());
writer.Write(PayloadLength);
writer.Write(NextHeader);
writer.Write(HopLimit);
writer.Write(SourceAddress.GetAddressBytes());
writer.Write(DestinationAddress.GetAddressBytes());
writer.Write(Data);
buffer = mem.ToArray();
}
return(mem);
}
/// <summary cref="Packet.ToString(StringOutputType)" />
public override string ToString(StringOutputType outputFormat)
{
var buffer = new StringBuilder();
string color = "";
string colorEscape = "";
if (outputFormat == StringOutputType.Colored || outputFormat == StringOutputType.VerboseColored)
{
color = Color;
colorEscape = AnsiEscapeSequences.Reset;
}
if (outputFormat == StringOutputType.Normal || outputFormat == StringOutputType.Colored)
{
// build the output string
buffer.AppendFormat("{0}[IPv6Packet: SourceAddress={2}, DestinationAddress={3}, NextHeader={4}]{1}",
color,
colorEscape,
SourceAddress,
DestinationAddress,
NextHeader);
}
if (outputFormat == StringOutputType.Verbose || outputFormat == StringOutputType.VerboseColored)
{
// collect the properties and their value
Dictionary <string, string> properties = new Dictionary <string, string>();
string ipVersion = Convert.ToString((int)Version, 2).PadLeft(4, '0');
properties.Add("version", ipVersion + " .... .... .... .... .... .... .... = " + (int)Version);
string trafficClass = Convert.ToString(TrafficClass, 2).PadLeft(8, '0').Insert(4, " ");
properties.Add("traffic class", ".... " + trafficClass + " .... .... .... .... .... = 0x" + TrafficClass.ToString("x").PadLeft(8, '0'));
string flowLabel = Convert.ToString(FlowLabel, 2).PadLeft(20, '0').Insert(16, " ").Insert(12, " ").Insert(8, " ").Insert(4, " ");
properties.Add("flow label", ".... .... .... " + flowLabel + " = 0x" + FlowLabel.ToString("x").PadLeft(8, '0'));
properties.Add("payload length", PayloadLength.ToString());
properties.Add("next header", NextHeader.ToString() + " (0x" + NextHeader.ToString("x") + ")");
properties.Add("hop limit", HopLimit.ToString());
properties.Add("source", SourceAddress.ToString());
properties.Add("destination", DestinationAddress.ToString());
// calculate the padding needed to right-justify the property names
int padLength = Utils.RandomUtils.LongestStringLength(new List <string>(properties.Keys));
// build the output string
buffer.AppendLine("IP: ******* IP - \"Internet Protocol (Version 6)\" - offset=? length=" + TotalPacketLength);
buffer.AppendLine("IP:");
foreach (var property in properties)
{
if (property.Key.Trim() != "")
{
buffer.AppendLine("IP: " + property.Key.PadLeft(padLength) + " = " + property.Value);
}
else
{
buffer.AppendLine("IP: " + property.Key.PadLeft(padLength) + " " + property.Value);
}
}
buffer.AppendLine("IP");
}
// append the base class output
buffer.Append(base.ToString(outputFormat));
return(buffer.ToString());
}
