/// <summary>
/// Gets the DHCP option string.
/// </summary>
/// <param name="dhcpOption">The DHCP option.</param>
/// <param name="dhcpOptionValue">The DHCP option value.</param>
/// <param name="dhcpRequestListFormat">The DHCP request list format.</param>
/// <param name="logger">The logger.</param>
/// <returns>System.String.</returns>
/// <autogeneratedoc />
public static string GetDhcpOptionString(
DhcpOption dhcpOption, byte[] dhcpOptionValue,
DhcpRequestListFormat dhcpRequestListFormat = DhcpRequestListFormat.StringNewlineIndentedSeparated,
IPureLogger logger = null
)
{
try
{
if (dhcpOptionValue == null)
{
return("Null");
}
if (dhcpOption == DhcpOption.ParamReqList)
{
return(GetDhcpRequestListString(dhcpOptionValue, dhcpRequestListFormat, logger));
}
switch (DhcpOptionTypes[dhcpOption])
{
case DhcpOptionType.IPAddress:
return(new IPAddress(dhcpOptionValue).ToString());
case DhcpOptionType.PhysicalAddressSkip1DashString:
return(new PhysicalAddress(dhcpOptionValue.Skip(1).ToArray()).ToDashString());
case DhcpOptionType.PhysicalAddressSkip1ColonString:
return(new PhysicalAddress(dhcpOptionValue.Skip(1).ToArray()).ToColonString());
case DhcpOptionType.PhysicalAddressDashString:
return(new PhysicalAddress(dhcpOptionValue).ToDashString());
case DhcpOptionType.PhysicalAddressColonString:
return(new PhysicalAddress(dhcpOptionValue).ToColonString());
case DhcpOptionType.MessageTypeString:
return(MessageTypeString.GetName((MessageType)dhcpOptionValue[0]));
case DhcpOptionType.SafeString:
return(ByteUtility.GetSafeString(dhcpOptionValue));
case DhcpOptionType.SafeBytes:
return(ByteUtility.PrintSafeBytes(dhcpOptionValue));
case DhcpOptionType.UInt16:
return(BitConverter.ToUInt16(dhcpOptionValue, 0).ToString());
case DhcpOptionType.UInt32:
return(BitConverter.ToUInt32(dhcpOptionValue, 0).ToString());
case DhcpOptionType.UInt16Network:
return(IPAddress.NetworkToHostOrder(BitConverter.ToUInt16(dhcpOptionValue, 0)).ToString());
case DhcpOptionType.UInt32Network:
return(IPAddress.NetworkToHostOrder(BitConverter.ToUInt32(dhcpOptionValue, 0)).ToString());
}
}
catch (Exception ex)
{
logger?.LogError(ex, "Invalid DhcpOption: {dhcpOption}", dhcpOption);
}
return(string.Empty);
}
/// <summary>
/// Gets the DHCP request list string.
/// </summary>
/// <param name="dhcpOptionValue">The DHCP option value.</param>
/// <param name="dhcpRequestListFormat">The DHCP request list format.</param>
/// <param name="logger">The logger.</param>
/// <returns>System.String.</returns>
/// <autogeneratedoc />
public static string GetDhcpRequestListString(byte[] dhcpOptionValue,
DhcpRequestListFormat dhcpRequestListFormat, IPureLogger logger = null)
{
StringBuilder sb = new StringBuilder();
foreach (var requestOption in dhcpOptionValue)
{
DhcpOption dhcpRequestOption = (DhcpOption)requestOption;
switch (dhcpRequestListFormat)
{
case DhcpRequestListFormat.StringCommaSeparated:
sb.Append($"{dhcpRequestOption.ToString()}, ");
break;
case DhcpRequestListFormat.StringNewlineSeparated:
sb.Append($"{Environment.NewLine}{dhcpRequestOption.ToString()}");
break;
case DhcpRequestListFormat.StringNewlineIndentedSeparated:
sb.Append($"{Environment.NewLine} {dhcpRequestOption.ToString()}");
break;
case DhcpRequestListFormat.HexValueCommaSeparated:
sb.Append($"{ByteUtility.ByteToHex((byte) dhcpRequestOption)}, ");
break;
case DhcpRequestListFormat.HexValueSpaceSeparated:
sb.Append($"{ByteUtility.ByteToHex((byte) dhcpRequestOption)} ");
break;
case DhcpRequestListFormat.HexValueDashSeparated:
sb.Append($"{ByteUtility.ByteToHex((byte) dhcpRequestOption)}-");
break;
case DhcpRequestListFormat.DecimalValueCommaSeparated:
sb.Append($"{(byte) dhcpRequestOption}, ");
break;
case DhcpRequestListFormat.DecimalValueSpaceSeparated:
sb.Append($"{(byte) dhcpRequestOption} ");
break;
}
}
// Remove trailing space
if (sb.Length > 1)
{
if (sb[sb.Length - 1] == ' ' || sb[sb.Length - 1] == '-')
{
sb.Length--;
}
}
// Remove trailing comma
if (sb.Length > 1)
{
if (sb[sb.Length - 1] == ',')
{
sb.Length--;
}
}
return(sb.ToString());
}
