public override string ToString()
{
var sb = new StringBuilder();
sb.Append("Message Type (op): ").AppendLine(MessageType.ToString());
sb.Append("Hardware Address Type (htype): ").AppendLine(HardwareAddressType.ToString());
sb.Append("Hardware Address Length (hlen): ").AppendLine(HardwareAddressLength.ToString());
sb.Append("Gateway Hops (hops): ").AppendLine(GatewayHops.ToString());
sb.Append("Transaction Id (xid): ").AppendLine(TransactionId.ToString());
sb.Append("Seconds Elapsed (secs): ").AppendLine(SecondsElapsed.ToString());
sb.Append("Flags (flags): ").AppendLine(Convert.ToString((int)Flags, 2));
foreach (DhcpServerPacketFlags flag in Enum.GetValues(typeof(DhcpServerPacketFlags)))
{
sb.Append(" ");
var mask = Convert.ToString((short)flag, 2).Replace('0', '.');
if (Flags.HasFlag(flag))
{
sb.Append(mask).Append(": ").AppendLine(flag.ToString());
}
else
{
sb.Append(mask.Replace('1', '0')).Append(": No ").AppendLine(flag.ToString());
}
}
sb.Append("Client IP Address (ciaddr): ").AppendLine(ClientIpAddress.ToString());
sb.Append("Your IP Address (yiaddr): ").AppendLine(YourIpAddress.ToString());
sb.Append("Next Server IP Address (siaddr): ").AppendLine(NextServerIpAddress.ToString());
sb.Append("Relay Agent IP Address (giaddr): ").AppendLine(RelayAgentIpAddress.ToString());
sb.Append("Client Hardware Address (chaddr): ").AppendLine(ClientHardwareAddress.ToString());
sb.Append("Server Host Name (sname): ").AppendLine(ServerHostName);
sb.Append("File Name (file): ").AppendLine(FileName);
sb.Append("Options Magic Cookie: ").AppendLine(OptionsMagicCookie.ToString());
var options = Options.ToList();
if (options.Count == 0)
{
sb.Append("Options: None");
}
else
{
sb.Append("Options:");
foreach (var option in options)
{
sb.AppendLine();
sb.Append(" ");
sb.Append(((byte)option.Id).ToString("000"));
sb.Append(" ");
sb.Append(option.Id.ToString());
sb.Append(" [");
sb.Append(option.Type.ToString());
sb.AppendLine("]");
sb.Append(" ");
option.DataAsFormatted(sb);
}
}
return(sb.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}[ARPPacket: Operation={2}, SenderHardwareAddress={3}, TargetHardwareAddress={4}, SenderProtocolAddress={5}, TargetProtocolAddress={6}]{1}",
color,
colorEscape,
Operation,
HexPrinter.PrintMACAddress(SenderHardwareAddress),
HexPrinter.PrintMACAddress(TargetHardwareAddress),
SenderProtocolAddress,
TargetProtocolAddress);
}
if (outputFormat == StringOutputType.Verbose || outputFormat == StringOutputType.VerboseColored)
{
// collect the properties and their value
Dictionary <string, string> properties = new Dictionary <string, string>();
properties.Add("hardware type", HardwareAddressType.ToString() + " (0x" + HardwareAddressType.ToString("x") + ")");
properties.Add("protocol type", ProtocolAddressType.ToString() + " (0x" + ProtocolAddressType.ToString("x") + ")");
properties.Add("operation", Operation.ToString() + " (0x" + Operation.ToString("x") + ")");
properties.Add("source hardware address", HexPrinter.PrintMACAddress(SenderHardwareAddress));
properties.Add("destination hardware address", HexPrinter.PrintMACAddress(TargetHardwareAddress));
properties.Add("source protocol address", SenderProtocolAddress.ToString());
properties.Add("destination protocol address", TargetProtocolAddress.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("ARP: ******* ARP - \"Address Resolution Protocol\" - offset=? length=" + TotalPacketLength);
buffer.AppendLine("ARP:");
foreach (var property in properties)
{
buffer.AppendLine("ARP: " + property.Key.PadLeft(padLength) + " = " + property.Value);
}
buffer.AppendLine("ARP:");
}
// append the base string output
buffer.Append(base.ToString(outputFormat));
return(buffer.ToString());
}
static ClientHardwareAddress ReadClientHardwareAddress(HardwareAddressType htype, byte[] buffer, long offset)
{
switch (htype)
{
case HardwareAddressType.Ethernet:
if ((offset + 6) < buffer.Length)
{
var addressArray = new byte[6];
Array.Copy(buffer, offset, addressArray, 0, 6);
return(new EthernetClientHardwareAddress(addressArray));
}
throw new IndexOutOfRangeException("Provided buffer and starting index is too short to supply a 6 byte hardware address");
default:
throw new Exception("Unhandled hardware address type " + htype.ToString());
}
}
