/// <summary>
/// Decode any options sent by the client inside this IA_NA. Mostly, we are
/// a hint to which address(es) it may want.RFC 3315 does not specify if
/// a client can actually provide any options other than IA_ADDR options in
/// inside the IA_NA, but it does not say that the client cannot do so, and
/// the IA_NA option definition supports any type of sub-options.
/// </summary>
/// <param name="buf">buf ByteBuffer positioned at the start of the options in the packet</param>
/// <param name="eof">eof the eof</param>
protected void DecodeOptions(ByteBuffer buf, long eof)
{
while (buf.position() < eof)
{
int code = Util.GetUnsignedShort(buf);
log.Debug("Option code=" + code);
DhcpOption option = DhcpV6OptionFactory.GetDhcpOption(code);
if (option != null)
{
option.Decode(buf);
if (option is DhcpV6IaAddrOption)
{
iaAddrOptions.Add((DhcpV6IaAddrOption)option);
}
else
{
PutDhcpOption(option);
}
}
else
{
break; // no more options, or one is malformed, so we're done
}
}
}
protected void DecodeOptions(ByteBuffer buf)
{
while (buf.hasRemaining())
{
int code = Util.GetUnsignedShort(buf);
log.Debug("Option code=" + code);
DhcpOption option = DhcpV6OptionFactory.GetDhcpOption(code);
if (option != null)
{
option.Decode(buf);
dhcpOptions[option.GetCode()] = option;
}
else
{
break; // no more options, or one is malformed, so we're done
}
}
}
/// <summary>
/// Decode the options.
/// </summary>
/// <param name="buf">ByteBuffer positioned at the start of the options in the packet</param>
/// <returns>a Map of DhcpOptions keyed by the option code</returns>
protected Dictionary <int, DhcpOption> DecodeOptions(ByteBuffer buf)
{
while (buf.hasRemaining())
{
int code = Util.GetUnsignedShort(buf);
if (log.IsDebugEnabled)
{
log.Debug("Option code=" + code);
}
DhcpOption option = DhcpV6OptionFactory.GetDhcpOption(code);
if (option != null)
{
if ((option is DhcpV6RelayOption) &&
(this is DhcpV6RelayMessage))
{
DhcpV6RelayOption relayOption = (DhcpV6RelayOption)option;
relayOption.SetRelayMessage((DhcpV6RelayMessage)this);
}
option.Decode(buf);
if (option is DhcpV6IaNaOption)
{
iaNaOptions.Add((DhcpV6IaNaOption)option);
}
else if (option is DhcpV6IaTaOption)
{
iaTaOptions.Add((DhcpV6IaTaOption)option);
}
else if (option is DhcpV6IaPdOption)
{
iaPdOptions.Add((DhcpV6IaPdOption)option);
}
else
{
dhcpOptions[option.GetCode()] = option;
}
}
else
{
break; // no more options, or one is malformed, so we're done
}
}
return(dhcpOptions);
}
/**
* Decode the options.
* @param buf ByteBuffer positioned at the start of the options in the packet
* @return a Map of DhcpOptions keyed by the option code
* @throws IOException
*/
protected Dictionary <int, DhcpOption> DecodeOptions(ByteBuffer buf)
{
while (buf.hasRemaining())
{
short code = Util.GetUnsignedByte(buf);
if (log.IsDebugEnabled)
{
log.Debug("Option code=" + code);
}
DhcpOption option = DhcpV4OptionFactory.GetDhcpOption(code);
if (option != null)
{
option.Decode(buf);
_dhcpOptions[option.GetCode()] = option;
}
else
{
break; // no more options, or one is malformed, so we're done
}
}
return(_dhcpOptions);
}