/// <summary>
/// Creates a string representation of the IpPacket object.
/// </summary>
public override string ToString()
{
var s = new StringBuilder();
s.Append("IP version: ");
s.AppendLine(IpVersion.ToString());
s.Append("Internet Header Length ");
s.AppendLine(InternetHeaderLength.ToString());
s.Append("DSCP value ");
s.AppendLine(DscpValue.ToString());
s.Append("ECN value ");
s.AppendLine(ExplicitCongestionNotice.ToString());
s.Append("IP packet length ");
s.AppendLine(IpPacketLength.ToString());
s.Append("ID/Fragment Group ");
s.AppendLine(FragmentGroupId.ToString());
s.Append("IP header flags ");
s.AppendLine(IpHeaderFlags.ToString());
s.Append("Fragment offset ");
s.AppendLine(FragmentOffset.ToString());
s.Append("TTL ");
s.AppendLine(TimeToLive.ToString());
s.Append("Protocol Number ");
s.AppendLine(ProtocolNumber.ToString());
s.Append("Header Checksum ");
s.AppendLine(PacketHeaderChecksum.ToString());
s.Append("Source IP ");
s.AppendLine(SourceIpAddress.ToString());
s.Append("Destination IP ");
s.AppendLine(DestinationIpAddress.ToString());
if (IpOptions != null)
{
s.Append("Length of IP options ");
s.AppendLine(IpOptions.Length.ToString());
}
s.Append("Packet Data Length ");
s.AppendLine(PacketData.Length.ToString());
s.Append("Size of data buffer processed ");
s.AppendLine(DataBuffer.Length.ToString());
return(s.ToString());
}
/// <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}[IPv4Packet: SourceAddress={2}, DestinationAddress={3}, HeaderLength={4}, Protocol={5}, TimeToLive={6}]{1}",
color,
colorEscape,
SourceAddress,
DestinationAddress,
HeaderLength,
Protocol,
TimeToLive);
}
if (outputFormat == StringOutputType.Verbose || outputFormat == StringOutputType.VerboseColored)
{
// collect the properties and their value
Dictionary <string, string> properties = new Dictionary <string, string>();
properties.Add("version", Version.ToString());
// FIXME: Header length output is incorrect
properties.Add("header length", HeaderLength + " bytes");
string diffServices = Convert.ToString(DifferentiatedServices, 2).PadLeft(8, '0').Insert(4, " ");
properties.Add("differentiated services", "0x" + DifferentiatedServices.ToString("x").PadLeft(2, '0'));
properties.Add("", diffServices.Substring(0, 7) + ".. = [" + (DifferentiatedServices >> 2) + "] code point");
properties.Add(" ", ".... .." + diffServices[6] + ". = [" + diffServices[6] + "] ECN");
properties.Add(" ", ".... ..." + diffServices[7] + " = [" + diffServices[7] + "] ECE");
properties.Add("total length", TotalLength.ToString());
properties.Add("identification", "0x" + Id.ToString("x") + " (" + Id + ")");
string flags = Convert.ToString(FragmentFlags, 2).PadLeft(8, '0').Substring(5, 3);
properties.Add("flags", "0x" + FragmentFlags.ToString("x").PadLeft(2, '0'));
properties.Add(" ", flags[0] + ".. = [" + flags[0] + "] reserved");
properties.Add(" ", "." + flags[1] + ". = [" + flags[1] + "] don't fragment");
properties.Add(" ", ".." + flags[2] + " = [" + flags[2] + "] more fragments");
properties.Add("fragment offset", FragmentOffset.ToString());
properties.Add("time to live", TimeToLive.ToString());
properties.Add("protocol", Protocol.ToString() + " (0x" + Protocol.ToString("x") + ")");
properties.Add("header checksum", "0x" + Checksum.ToString("x") + " [" + (ValidChecksum ? "valid" : "invalid") + "]");
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: ******* IPv4 - \"Internet Protocol (Version 4)\" - 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());
}