public byte[] GetNegotiationResponsePacket(OptionNegotiationType RequestType)
{
byte[] ResponsePacket = null;
switch (RequestType)
{
case OptionNegotiationType.WILL:
if (RespondedWillWont == false)
{
if (_bWILL)
{
ResponsePacket = TelnetOption.GetNegotiationResponseDo(OptionCode);
}
else
{
ResponsePacket = TelnetOption.GetNegotiationResponseDont(OptionCode);
}
RespondedDoDont = true;
}
break;
case OptionNegotiationType.WONT:
if (RespondedWillWont == false)
{
_bWILL = false;
ResponsePacket = TelnetOption.GetNegotiationResponseDont(OptionCode);
RespondedDoDont = true;
}
break;
case OptionNegotiationType.DO:
if (RespondedDoDont == false)
{
if (_bDO)
{
ResponsePacket = TelnetOption.GetNegotiationResponseWill(OptionCode);
}
else
{
ResponsePacket = TelnetOption.GetNegotiationResponseWont(OptionCode);
}
RespondedWillWont = true;
}
break;
case OptionNegotiationType.DONT:
if (RespondedDoDont == false)
{
_bDO = false;
ResponsePacket = TelnetOption.GetNegotiationResponseWont(OptionCode);
RespondedWillWont = true;
}
break;
default:
break;
}
return(ResponsePacket);
}
public byte[] GetNegotiationPacket()
{
byte[] ResponsePacket = null;
if (SendDoDont)
{
if (_bDO)
{
ResponsePacket = TelnetOption.GetNegotiationResponseDo(OptionCode);
}
else
{
ResponsePacket = TelnetOption.GetNegotiationResponseDont(OptionCode);
}
}
else if (SendWillWont)
{
if (_bWILL)
{
ResponsePacket = TelnetOption.GetNegotiationResponseWill(OptionCode);
}
else
{
ResponsePacket = TelnetOption.GetNegotiationResponseWont(OptionCode);
}
}
return(ResponsePacket);
}
public bool SetOption(byte OptionCode, TelnetOption Option)
{
if (Option == null)
{
return(false);
}
if (_Options.ContainsKey(OptionCode))
{
return(true);
}
_Options.Add(OptionCode, Option);
Option.OnSendData += new TelnetOption.OnSendDataHandler(Option_OnSendData);
return(true);
}
protected void _ProcessDontCommand(byte Option)
{
if (_Options.ContainsKey(Option) == false)
{
_LogDebug("(DONT?)OptionCode: " + Option.ToString() + "(0x" + Option.ToString("X") + ") not supported.");
SendToNetwork(TelnetOption.GetNegotiationResponseWont(Option));
return;
}
if (!_Options[Option].IsNegotiatedSuccessfully())
{
_LogDebug("(DONT?)OptionCode: " + Option.ToString() + "(0x" + Option.ToString("X") + ") negotiated OK.");
byte[] Response = _Options[Option].GetNegotiationResponsePacket(TelnetOption.OptionNegotiationType.DONT);
if (Response != null)
{
SendToNetwork(Response);
}
}
}
protected void _ProcessWillCommand(byte Option)
{
if (_Options.ContainsKey(Option) == false)
{
_LogDebug("(WILL?)OptionCode: " + Option.ToString() + "(0x" + Option.ToString("X") + ") not supported.");
SendToNetwork(TelnetOption.GetNegotiationResponseDont(Option));
return;
}
if (!_Options[Option].IsNegotiatedSuccessfully())
{
_LogDebug("(WILL?)OptionCode: " + Option.ToString() + "(0x" + Option.ToString("X") + ") negotiated OK.");
byte[] Response = _Options[Option].GetNegotiationResponsePacket(TelnetOption.OptionNegotiationType.WILL);
if (Response != null)
{
SendToNetwork(Response);
}
}
if (_Options[Option].IsNegotiatedSuccessfully() && !_Options[Option].IsOptionInitializationSent)
{
OptionNegotiated(Option);
_Options[Option].SendOptionInitailization();
}
}